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name: Test
on: [push, pull_request]
jobs:
test:
runs-on: ubuntu-latest
strategy:
matrix:
os: [linux]
tags: [[], ['null'], [portal], [uinput], [x11],
['null', portal, uinput, x11]]
include:
- os: windows
tags: []
- os: windows
tags: ['null']
env:
GOOS: ${{ matrix.os }}
GOFLAGS: -tags=${{ join(matrix.tags, ',') }}
steps:
- uses: actions/checkout@v3
- uses: actions/setup-go@v4
with:
go-version: stable
check-latest: true
- run: sudo apt install libxrandr-dev libxtst-dev libxt-dev
if: ${{ contains(matrix.tags, 'x11') }}
- name: Go Format
run: gofmt -s -w . && git diff --exit-code
- name: Go Mod Tidy
run: go mod tidy && git diff --exit-code
- name: Go Vet
run: go vet ./...
- name: Go Build
run: go build ./...
- name: Go Test (with data race detection)
run: go test -race ./...
if: ${{ matrix.os == 'linux' }}

11
.gitignore vendored
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@ -1,11 +0,0 @@
# Binaries
remote-touchpad
# Systemd service state
.remote-touchpad.service.state
# Logs and run files
.rts-log
# Environment files
.env

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@ -1,219 +1,24 @@
# Changelog # Changelog
## 1.5.4 (2026-08-02)
* Improve X11 keyboard input
* Update dependencies
## 1.5.3 (2025-12-24)
* Update dependencies
## 1.5.2 (2025-10-12)
* Update dependencies
## 1.5.0 (2025-03-18)
* Add restore token support for the remote desktop portal
* Update dependencies
## 1.4.8 (2024-09-01)
* Update dependencies
## 1.4.7 (2024-08-30)
* Update dependencies
## 1.4.6 (2024-02-06)
* Prevent incorrect MIME types
## 1.4.5 (2024-01-31)
* Keep text input open after sending
* Workaround for virtual keyboard covering buttons (Chromium & iOS)
* Enable hardware keyboard input in mouse mode
## 1.4.4 (2024-01-23)
* Fix Xwayland detection on newer servers
* Fix support for the KDE remote desktop portal
* Set correct minimum version for Go
* Update dependencies
## 1.4.3 (2023-10-03)
* Update dependencies
## 1.4.2 (2023-05-20)
* Fix Windows support
## 1.4.1 (2023-05-11)
* uinput: Fix vertical scroll direction
* Update dependencies
## 1.4.0 (2023-04-25)
* Add feedback to buttons
* Add numeric keypad
* Prevent touch triggering mouse mode
## 1.3.0 (2023-03-03)
* Initial support for uinput
* Update dependencies
## 1.2.3 (2022-12-29)
* Improve XWayland detection
* Update dependencies
* Flatpak: Add Wayland socket to disable X11 socket
## 1.2.2 (2022-09-23)
* Update dependencies
* Fix race in RemoteDesktop portal controller
## 1.2.1 (2022-06-20)
* Update dependencies
## 1.2.0 (2022-02-26)
* Add command-line options for move and scroll speed
* Add hardware mouse support
* Limit update rate
* Windows: Reverse vertical scroll direction
* Show error message if compiled without controller
* Don't show disabled controllers in "unsupported platform" error message
* Switch from go-bindata-assetfs to go:embed
## 1.1.0 (2022-01-28)
* Add more shortcut keys (Arrows, Delete, Enter, …)
* Add basic support for physical keyboard
* Allow fullscreen on keys page
* Enable touchpad on keys page
* Retain keyboard text when reloading website
* Improve compatibility with old browsers
* Write URL and QR code to stdout
* Ignore unparseable IP
* Remove trailing new line from QR code
## 1.0.5 (2022-01-07)
* Use relative URL for websocket
* Update dependencies
## 1.0.4 (2021-11-06)
* Disable browser touch gestures
* Update dependencies
## 1.0.3 (2021-09-18)
* Update dependencies
## 1.0.2 (2021-06-05)
* New logo
* Update dependencies
## 1.0.1 (2020-09-13)
* Update dependencies
## 1.0.0 (2020-08-26)
* Add super and browser back and forward keys
* Reduce minimum size of textarea
* Small UI improvements
* Remove obsolete command line arguments
## 0.0.18 (2020-05-16)
* Fix error messages for TLS certificate and private key files
## 0.0.17 (2020-02-20)
* Minor HTML improvements
## 0.0.16 (2020-02-17)
* Fix textarea on WebKit
## 0.0.15 (2019-11-03)
* Prefer IPv4 addresses
## 0.0.14 (2019-10-28)
* Handle quirks of browser touch events
* Hide navigation bar in fullscreen mode
* Set terminal title
* Flatpak: Update dependencies
## 0.0.13 (2019-05-04)
* Flatpak: Update dependencies
* AppStream: Fix release descriptions
## 0.0.12 (2018-12-08)
* fix the browser Forward button
## 0.0.11 (2018-10-20)
* rename plugin to backend
* update flatpak
## 0.0.10 (2018-10-01)
* avoid race condition when typing on X11
## 0.0.9 (2018-09-29)
* add multimedia keys
## 0.0.8 (2018-09-07)
* enable pointer movement after timeout
## 0.0.7 (2018-09-04)
* use custom font for icons
## 0.0.6 (2018-08-23)
* use colors in terminal for QR qode
* remove ``-invert`` command line argument
* mitigate race condition when typing text on X11
* improve KeySyms used for text on X11 and Flatpak's RemoteDesktop portal
* normalize line endings
## 0.0.5 (2018-07-31) ## 0.0.5 (2018-07-31)
* remove mouse polling interval * remove mouse polling interval
* add support for "pixel-perfect" scrolling * add support for "pixel-perfect" scrolling
* add experimental support for Flatpak's RemoteDesktop portal * add experimental support for Flatpak's RemoteDesktop portal
* X11 plugin: check session type * X11 plugin: check session type
* improve error logging * improve error logging
## 0.0.4 (2018-07-22) ## 0.0.4 (2018-07-22)
* add setting for mouse polling interval * add setting for mouse polling interval
## 0.0.3 (2018-06-26) ## 0.0.3 (2018-06-26)
* fix websocket with https * fix websocket with https
## 0.0.2 (2018-06-25) ## 0.0.2 (2018-06-25)
* add reload button to disconnected-page * add reload button to disconnected-page
## 0.0.1 (2018-06-23) ## 0.0.1 (2018-06-23)

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@ -1,56 +1,14 @@
# Remote Touchpad # Remote Touchpad
Control mouse and keyboard from the webbrowser of a smartphone Control mouse and keyboard from the webbrowser of a smartphone (or any other device with a touchscreen).
(or any other device with a touchscreen).
To take control open the displayed URL or scan the QR code. To take control open the displayed URL or scan the QR code.
Supports Flatpak's RemoteDesktop portal (for Wayland), Windows and X11. Supports Flatpak's RemoteDesktop portal (experimental), Windows and X11.
## Installation ## Installation
* [Flatpak](https://flathub.org/apps/details/com.github.unrud.RemoteTouchpad) * [Flatpak](https://flathub.org/apps/details/com.github.unrud.RemoteTouchpad)
* [Snap](https://snapcraft.io/remote-touchpad) * [Windows](https://github.com/Unrud/remote-touchpad/releases/latest)
* [Windows](https://github.com/Unrud/remote-touchpad/releases/latest)
* Golang:
* Portal & uinput & X11:
```sh
go install -tags portal,uinput,x11 github.com/unrud/remote-touchpad@latest
```
* Windows:
```sh
go install github.com/unrud/remote-touchpad@latest
```
## Linux User Service Installation
To install remote-touchpad as a user-specific systemd service (no root access required):
1. Clone the repository and navigate to the project directory:
```sh
git clone https://github.com/Unrud/remote-touchpad.git
cd remote-touchpad
```
2. Install the service using the provided wrapper script (no sudo required):
```sh
./rts install
```
3. Access the service:
* View service status: `./rts status`
* Get URL: `./rts url`
* View logs: `./rts log`
* Stop service: `./rts stop`
* Start service: `./rts start`
* Restart service: `./rts restart`
* Uninstall: `./rts uninstall`
The service will run in the background and maintain a persistent connection with URL and QR code accessible via the `url` command.
## Screenshots ## Screenshots
@ -59,5 +17,3 @@ The service will run in the background and maintain a persistent connection with
![screenshot 2](https://raw.githubusercontent.com/Unrud/remote-touchpad/master/screenshots/2.png) ![screenshot 2](https://raw.githubusercontent.com/Unrud/remote-touchpad/master/screenshots/2.png)
![screenshot 3](https://raw.githubusercontent.com/Unrud/remote-touchpad/master/screenshots/3.png) ![screenshot 3](https://raw.githubusercontent.com/Unrud/remote-touchpad/master/screenshots/3.png)
![screenshot 4](https://raw.githubusercontent.com/Unrud/remote-touchpad/master/screenshots/4.png)

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bindata.generated.go Normal file

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bindata.go Normal file
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package main
//go:generate go-bindata-assetfs -mode 0664 -modtime 1 -o ./bindata.generated.go webdata/...

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@ -1,389 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<component type="desktop-application">
<id>com.github.unrud.RemoteTouchpad</id>
<metadata_license>CC0-1.0</metadata_license>
<project_license>GPL-3.0-or-later</project_license>
<name>Remote Touchpad</name>
<summary>Control mouse and keyboard from a smartphone</summary>
<description>
<p>
Control mouse and keyboard from the webbrowser of a smartphone (or any other device with a touchscreen).
To take control open the displayed URL or scan the QR code.
</p>
<p>
Supports Flatpak&apos;s RemoteDesktop portal (for Wayland), Windows and X11.
</p>
</description>
<launchable type="desktop-id">com.github.unrud.RemoteTouchpad.desktop</launchable>
<url type="bugtracker">https://github.com/Unrud/remote-touchpad/issues</url>
<url type="homepage">https://github.com/Unrud/remote-touchpad</url>
<url type="vcs-browser">https://github.com/Unrud/remote-touchpad</url>
<developer_name translate="no">Unrud</developer_name>
<developer id="io.github.unrud">
<name translate="no">Unrud</name>
</developer>
<releases>
<release version="1.5.4" date="2026-08-02">
<description>
<ul>
<li>Improve X11 keyboard input</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.5.3" date="2025-12-24">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.5.2" date="2025-10-12">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.5.0" date="2025-03-18">
<description>
<ul>
<li>Add restore token support for the remote desktop portal</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.4.8" date="2024-09-01">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.4.7" date="2024-08-30">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.4.6" date="2024-02-06">
<description>
<ul>
<li>Prevent incorrect MIME types</li>
</ul>
</description>
</release>
<release version="1.4.5" date="2024-01-31">
<description>
<ul>
<li>Keep text input open after sending</li>
<li>Workaround for virtual keyboard covering buttons (Chromium &amp; iOS)</li>
<li>Enable hardware keyboard input in mouse mode</li>
</ul>
</description>
</release>
<release version="1.4.4" date="2024-01-23">
<description>
<ul>
<li>Fix Xwayland detection on newer servers</li>
<li>Fix support for the KDE remote desktop portal</li>
<li>Set correct minimum version for Go</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.4.3" date="2023-10-03">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.4.2" date="2023-05-20">
<description>
<ul>
<li>Fix Windows support</li>
</ul>
</description>
</release>
<release version="1.4.1" date="2023-05-11">
<description>
<ul>
<li>uinput: Fix vertical scroll direction</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.4.0" date="2023-04-25">
<description>
<ul>
<li>Add feedback to buttons</li>
<li>Add numeric keypad</li>
<li>Prevent touch triggering mouse mode</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.3.0" date="2023-03-03">
<description>
<ul>
<li>Initial support for uinput</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.2.3" date="2022-12-29">
<description>
<ul>
<li>Improve XWayland detection</li>
<li>Update dependencies</li>
<li>Flatpak: Add Wayland socket to disable X11 socket</li>
</ul>
</description>
</release>
<release version="1.2.2" date="2022-09-23">
<description>
<ul>
<li>Update dependencies</li>
<li>Fix race in RemoteDesktop portal controller</li>
</ul>
</description>
</release>
<release version="1.2.1" date="2022-06-20">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.2.0" date="2022-02-26">
<description>
<ul>
<li>Add command-line options for move and scroll speed</li>
<li>Add hardware mouse support</li>
<li>Limit update rate</li>
<li>Windows: Reverse vertical scroll direction</li>
<li>Show error message if compiled without controller</li>
<li>Don't show disabled controllers in "unsupported platform" error message</li>
<li>Switch from go-bindata-assetfs to go:embed</li>
</ul>
</description>
</release>
<release version="1.1.0" date="2022-01-28">
<description>
<ul>
<li>Add more shortcut keys (Arrows, Delete, Enter, …)</li>
<li>Add basic support for physical keyboard</li>
<li>Allow fullscreen on keys page</li>
<li>Enable touchpad on keys page</li>
<li>Retain keyboard text when reloading website</li>
<li>Improve compatibility with old browsers</li>
<li>Write URL and QR code to stdout</li>
<li>Ignore unparseable IP</li>
<li>Remove trailing new line from QR code</li>
</ul>
</description>
</release>
<release version="1.0.5" date="2022-01-07">
<description>
<ul>
<li>Use relative URL for websocket</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.0.4" date="2021-11-06">
<description>
<ul>
<li>Disable browser touch gestures</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.0.3" date="2021-09-18">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.0.2" date="2021-06-05">
<description>
<ul>
<li>New logo</li>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.0.1" date="2020-09-13">
<description>
<ul>
<li>Update dependencies</li>
</ul>
</description>
</release>
<release version="1.0.0" date="2020-08-26">
<description>
<ul>
<li>Add super and browser back and forward keys</li>
<li>Reduce minimum size of textarea</li>
<li>Small UI improvements</li>
<li>Remove obsolete command line arguments</li>
</ul>
</description>
</release>
<release version="0.0.18" date="2020-05-16">
<description>
<ul>
<li>Fix error messages for TLS certificate and private key files</li>
</ul>
</description>
</release>
<release version="0.0.17" date="2020-02-20">
<description>
<ul>
<li>Minor HTML improvements</li>
</ul>
</description>
</release>
<release version="0.0.16" date="2020-02-17">
<description>
<ul>
<li>Fix textarea on WebKit</li>
</ul>
</description>
</release>
<release version="0.0.15" date="2019-11-03">
<description>
<ul>
<li>Prefer IPv4 addresses</li>
</ul>
</description>
</release>
<release version="0.0.14" date="2019-10-28">
<description>
<ul>
<li>Handle quirks of browser touch events</li>
<li>Hide navigation bar in fullscreen mode</li>
<li>Set terminal title</li>
<li>Flatpak: Update dependencies</li>
</ul>
</description>
</release>
<release version="0.0.13" date="2019-05-04">
<description>
<ul>
<li>Flatpak: Update dependencies</li>
<li>AppStream: Fix release descriptions</li>
</ul>
</description>
</release>
<release version="0.0.12" date="2018-12-08">
<description>
<ul>
<li>fix the browser Forward button</li>
</ul>
</description>
</release>
<release version="0.0.11" date="2018-10-20">
<description>
<ul>
<li>rename plugin to backend</li>
<li>update flatpak</li>
</ul>
</description>
</release>
<release version="0.0.10" date="2018-10-01">
<description>
<ul>
<li>avoid race condition when typing on X11</li>
</ul>
</description>
</release>
<release version="0.0.9" date="2018-09-29">
<description>
<ul>
<li>add multimedia keys</li>
</ul>
</description>
</release>
<release version="0.0.8" date="2018-09-07">
<description>
<ul>
<li>enable pointer movement after timeout</li>
</ul>
</description>
</release>
<release version="0.0.7" date="2018-09-04">
<description>
<ul>
<li>use custom font for icons</li>
</ul>
</description>
</release>
<release version="0.0.6" date="2018-08-23">
<description>
<ul>
<li>use colors in terminal for QR qode</li>
<li>remove -invert command line argument</li>
<li>mitigate race condition when typing text on X11</li>
<li>improve KeySyms used for text on X11 and Flatpak&apos;s RemoteDesktop portal</li>
<li>normalize line endings</li>
</ul>
</description>
</release>
<release version="0.0.5" date="2018-07-31">
<description>
<ul>
<li>remove mouse polling interval</li>
<li>add support for &quot;pixel-perfect&quot; scrolling</li>
<li>add experimental support for Flatpak&apos;s RemoteDesktop portal</li>
<li>X11 plugin: check session type</li>
<li>improve error logging</li>
</ul>
</description>
</release>
<release version="0.0.4" date="2018-07-22">
<description>
<ul>
<li>add setting for mouse polling interval</li>
</ul>
</description>
</release>
<release version="0.0.3" date="2018-06-26">
<description>
<ul>
<li>fix websocket with https</li>
</ul>
</description>
</release>
<release version="0.0.2" date="2018-06-25">
<description>
<ul>
<li>add reload button to disconnected-page</li>
</ul>
</description>
</release>
<release version="0.0.1" date="2018-06-23">
<description>
<p>initial release</p>
</description>
</release>
</releases>
<screenshots>
<screenshot type="default">
<image>https://raw.githubusercontent.com/Unrud/remote-touchpad/v1.5.4/screenshots/1.png</image>
</screenshot>
<screenshot>
<image>https://raw.githubusercontent.com/Unrud/remote-touchpad/v1.5.4/screenshots/2.png</image>
</screenshot>
<screenshot>
<image>https://raw.githubusercontent.com/Unrud/remote-touchpad/v1.5.4/screenshots/3.png</image>
</screenshot>
<screenshot>
<image>https://raw.githubusercontent.com/Unrud/remote-touchpad/v1.5.4/screenshots/4.png</image>
</screenshot>
</screenshots>
<content_rating type="oars-1.1"/>
</component>

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@ -1,11 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<svg width="128" height="128" version="1.1" viewBox="0 0 33.867 33.867" xmlns="http://www.w3.org/2000/svg">
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@ -0,0 +1,61 @@
<?xml version="1.0" encoding="UTF-8"?>
<component type="desktop">
<id>remote-touchpad.desktop</id>
<metadata_license>CC0-1.0</metadata_license>
<project_license>GPL-3.0-or-later</project_license>
<name>Remote Touchpad</name>
<summary>Control mouse and keyboard from a smartphone</summary>
<description>
<p>
Control mouse and keyboard from the webbrowser of a smartphone (or any other device with a touchscreen).
To take control open the displayed URL or scan the QR code.
</p>
<p>
Supports Flatpak&apos;s RemoteDesktop portal (experimental), Windows and X11.
</p>
</description>
<url type="bugtracker">https://github.com/Unrud/remote-touchpad/issues</url>
<url type="homepage">https://github.com/Unrud/remote-touchpad</url>
<developer_name>Unrud</developer_name>
<releases>
<release version="0.0.5" date="2018-07-31">
<ul>
<li>remove mouse polling interval</li>
<li>add support for &quot;pixel-perfect&quot; scrolling</li>
<li>add experimental support for Flatpak&apos;s RemoteDesktop portal</li>
<li>X11 plugin: check session type</li>
<li>improve error logging</li>
</ul>
</release>
<release version="0.0.4" date="2018-07-22">
<ul>
<li>add setting for mouse polling interval</li>
</ul>
</release>
<release version="0.0.3" date="2018-06-26">
<ul>
<li>fix websocket with https</li>
</ul>
</release>
<release version="0.0.2" date="2018-06-25">
<ul>
<li>add reload button to disconnected-page</li>
</ul>
</release>
<release version="0.0.1" date="2018-06-23">
<p>initial release</p>
</release>
</releases>
<screenshots>
<screenshot type="default">
<image>https://raw.githubusercontent.com/Unrud/remote-touchpad/0.0.5/screenshots/1.png</image>
</screenshot>
<screenshot>
<image>https://raw.githubusercontent.com/Unrud/remote-touchpad/0.0.5/screenshots/2.png</image>
</screenshot>
<screenshot>
<image>https://raw.githubusercontent.com/Unrud/remote-touchpad/0.0.5/screenshots/3.png</image>
</screenshot>
</screenshots>
<content_rating type="oars-1.1" />
</component>

View file

@ -5,5 +5,5 @@ Name=Remote Touchpad
Comment=Control mouse and keyboard from a smartphone Comment=Control mouse and keyboard from a smartphone
Terminal=true Terminal=true
Exec=remote-touchpad-wait-on-error Exec=remote-touchpad-wait-on-error
Icon=com.github.unrud.RemoteTouchpad Icon=remote-touchpad
Categories=Network;RemoteAccess;ConsoleOnly; Categories=Network;RemoteAccess;ConsoleOnly;

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@ -0,0 +1,66 @@
{
"app-id" : "com.github.unrud.RemoteTouchpad",
"runtime" : "org.freedesktop.Platform",
"runtime-version" : "1.6",
"sdk" : "org.freedesktop.Sdk",
"command" : "remote-touchpad",
"rename-appdata-file" : "remote-touchpad.appdata.xml",
"rename-desktop-file" : "remote-touchpad.desktop",
"rename-icon" : "remote-touchpad",
"sdk-extensions" : [
"org.freedesktop.Sdk.Extension.golang"
],
"finish-args" : [
"--socket=x11",
"--share=network"
],
"modules" : [
{
"name" : "remote-touchpad",
"sources" : [
{
"type" : "git",
"url" : "https://github.com/golang/net",
"commit" : "afe8f62b1d6bbd81f31868121a50b06d8188e1f9",
"dest" : "src/golang.org/x/net"
},
{
"type" : "git",
"url" : "https://github.com/skip2/go-qrcode",
"commit" : "cf5f9fa2f0d847edb8e038db7ed975e239095e1a",
"dest" : "src/github.com/skip2/go-qrcode"
},
{
"type" : "git",
"url" : "https://github.com/elazarl/go-bindata-assetfs",
"commit" : "38087fe4dafb822e541b3f7955075cc1c30bd294",
"dest" : "src/github.com/elazarl/go-bindata-assetfs"
},
{
"type" : "git",
"url" : "https://anonscm.debian.org/git/pkg-go/packages/golang-dbus.git",
"commit" : "79d96b151df08809558c825f8a75188826e8e228",
"dest" : "src/anonscm.debian.org/git/pkg-go/packages/golang-dbus.git"
},
{
"type" : "git",
"path" : "..",
"branch" : "master",
"dest" : "src/github.com/unrud/remote-touchpad"
}
],
"buildsystem" : "simple",
"build-commands" : [
". /usr/lib/sdk/golang/enable.sh; env GOPATH=\"$(pwd)\" go build -tags 'portal x11' github.com/unrud/remote-touchpad",
"install -Dm0755 -t /app/bin remote-touchpad",
"install -Dm0755 -t /app/bin src/github.com/unrud/remote-touchpad/desktop/remote-touchpad-wait-on-error",
"install -Dm0644 -t /app/share/appdata src/github.com/unrud/remote-touchpad/desktop/remote-touchpad.appdata.xml",
"install -Dm0644 -t /app/share/applications src/github.com/unrud/remote-touchpad/desktop/remote-touchpad.desktop",
"install -Dm0644 src/github.com/unrud/remote-touchpad/desktop/remote-touchpad_64.png /app/share/icons/hicolor/64x64/apps/remote-touchpad.png",
"install -Dm0644 src/github.com/unrud/remote-touchpad/desktop/remote-touchpad_128.png /app/share/icons/hicolor/128x128/apps/remote-touchpad.png",
"install -Dm0644 src/github.com/unrud/remote-touchpad/desktop/remote-touchpad_256.png /app/share/icons/hicolor/256x256/apps/remote-touchpad.png",
"install -Dm0644 src/github.com/unrud/remote-touchpad/desktop/remote-touchpad_512.png /app/share/icons/hicolor/512x512/apps/remote-touchpad.png"
]
}
]
}

View file

@ -1,52 +0,0 @@
app-id: com.github.unrud.RemoteTouchpad
runtime: org.freedesktop.Platform
runtime-version: '25.08'
sdk: org.freedesktop.Sdk
command: remote-touchpad
sdk-extensions:
- org.freedesktop.Sdk.Extension.golang
finish-args:
- --socket=fallback-x11
- --socket=wayland
- --share=ipc # Required by Flathub linter
- --share=network
modules:
- name: remote-touchpad
sources:
- type: git
path: ..
- type: git
url: https://github.com/godbus/dbus
tag: v5.2.2
commit: a8ac15ba63645f02ffd57f4b443203279ab40b30
dest: vendor/github.com/godbus/dbus/v5
- type: git
url: https://github.com/skip2/go-qrcode
commit: da1b6568686e89143e94f980a98bc2dbd5537f13
dest: vendor/github.com/skip2/go-qrcode
- type: git
url: https://github.com/golang/net
tag: v0.57.0
commit: b8f09f6f062ceb4531b7af4bd17a5c8fe9c4b2b5
dest: vendor/golang.org/x/net
- type: git
url: https://github.com/golang/sys
tag: v0.47.0
commit: 9e7e939dcafac07e8ab4cffa6e5fc74908413f00
dest: vendor/golang.org/x/sys
- type: file
path: modules.txt
dest: vendor
buildsystem: simple
build-commands:
- . /usr/lib/sdk/golang/enable.sh; go build -tags portal,x11
- install -Dm0755 -t /app/bin remote-touchpad
- install -Dm0755 -t /app/bin desktop/remote-touchpad-wait-on-error
- install -Dm0644 -t /app/share/metainfo desktop/com.github.unrud.RemoteTouchpad.metainfo.xml
- install -Dm0644 -t /app/share/applications desktop/com.github.unrud.RemoteTouchpad.desktop
- install -Dm0644 -t /app/share/icons/hicolor/scalable/apps desktop/com.github.unrud.RemoteTouchpad.svg
- |
for res in 16 32 48 64 128 256 512; do
rsvg-convert --height "${res}" --keep-aspect-ratio --format png --output com.github.unrud.RemoteTouchpad.png desktop/com.github.unrud.RemoteTouchpad.svg || exit 1
install -Dm0644 -t "/app/share/icons/hicolor/${res}x${res}/apps" com.github.unrud.RemoteTouchpad.png || exit 1
done

View file

@ -1,17 +0,0 @@
# github.com/bendahl/uinput v1.7.0
## explicit; go 1.13
github.com/bendahl/uinput
# github.com/godbus/dbus/v5 v5.2.2
## explicit; go 1.20
github.com/godbus/dbus/v5
# github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
## explicit; go 1.13
github.com/skip2/go-qrcode
github.com/skip2/go-qrcode/bitset
github.com/skip2/go-qrcode/reedsolomon
# golang.org/x/net v0.57.0
## explicit; go 1.25.0
golang.org/x/net/websocket
# golang.org/x/sys v0.47.0
## explicit; go 1.25.0
golang.org/x/sys/unix

12
go.mod
View file

@ -1,12 +0,0 @@
module github.com/unrud/remote-touchpad
go 1.25.5
require (
github.com/bendahl/uinput v1.7.0
github.com/godbus/dbus/v5 v5.2.2
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
golang.org/x/net v0.57.0
)
require golang.org/x/sys v0.47.0 // indirect

10
go.sum
View file

@ -1,10 +0,0 @@
github.com/bendahl/uinput v1.7.0 h1:nA4fm8Wu8UYNOPykIZm66nkWEyvxzfmJ8YC02PM40jg=
github.com/bendahl/uinput v1.7.0/go.mod h1:Np7w3DINc9wB83p12fTAM3DPPhFnAKP0WTXRqCQJ6Z8=
github.com/godbus/dbus/v5 v5.2.2 h1:TUR3TgtSVDmjiXOgAAyaZbYmIeP3DPkld3jgKGV8mXQ=
github.com/godbus/dbus/v5 v5.2.2/go.mod h1:3AAv2+hPq5rdnr5txxxRwiGjPXamgoIHgz9FPBfOp3c=
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
golang.org/x/net v0.57.0 h1:K5+3DljvIuDG9/Jv9rvyMywYNFCQ9RSUY6OOTTkT+tE=
golang.org/x/net v0.57.0/go.mod h1:KpXc8iv+r3XplLAG/f7Jsf9RPszJzdR0f58q9vGOuEU=
golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=
golang.org/x/sys v0.47.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=

62
host.go
View file

@ -1,9 +1,9 @@
/* /*
* Copyright (c) 2018-2019 Unrud <unrud@outlook.com> * Copyright (c) 2018 Unrud<unrud@outlook.com>
* *
* This file is part of Remote-Touchpad. * This file is part of Remote-Touchpad.
* *
* Remote-Touchpad is free software: you can redistribute it and/or modify * Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.
@ -13,8 +13,8 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>. * along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/ */
package main package main
@ -22,25 +22,11 @@ package main
import ( import (
"fmt" "fmt"
"net" "net"
"sort"
"strings" "strings"
) )
const ipv4Rating int = +1 func FindDefaultHost() (host string) {
host = "localhost"
func findDefaultHost() string {
type hostsValue struct {
prio int
host string
}
hosts := make([]hostsValue, 0)
hosts = append(hosts, hostsValue{0, "localhost"})
addIP := func(prio int, ip net.IP) {
if ip.To4() != nil {
prio += ipv4Rating
}
hosts = append(hosts, hostsValue{prio, ip.String()})
}
for _, publicIP := range []string{"2001:4860:4860::8888", "8.8.8.8"} { for _, publicIP := range []string{"2001:4860:4860::8888", "8.8.8.8"} {
addr := fmt.Sprintf("[%s]:80", publicIP) addr := fmt.Sprintf("[%s]:80", publicIP)
conn, err := net.Dial("udp", addr) conn, err := net.Dial("udp", addr)
@ -48,42 +34,42 @@ func findDefaultHost() string {
continue continue
} }
conn.Close() conn.Close()
host, _, err := net.SplitHostPort(conn.LocalAddr().String()) host, _, err = net.SplitHostPort(conn.LocalAddr().String())
if err != nil { if err != nil {
panic(err) panic(err)
} }
ip := net.ParseIP(host) return
if ip != nil { }
addIP(100, ip) interfaces, err := net.Interfaces()
} if err != nil {
return
} }
interfaces, _ := net.Interfaces()
for _, inter := range interfaces { for _, inter := range interfaces {
if inter.Flags&net.FlagUp == 0 { if inter.Flags&net.FlagUp == 0 || inter.Flags&net.FlagLoopback != 0 {
continue
}
addrs, err := inter.Addrs()
if err != nil {
continue continue
} }
addrs, _ := inter.Addrs()
addrs: addrs:
for _, addr := range addrs { for _, addr := range addrs {
ip, _, err := net.ParseCIDR(addr.String()) ip, _, err := net.ParseCIDR(addr.String())
if err != nil { if err != nil {
panic(err)
}
if inter.Flags&net.FlagLoopback != 0 {
addIP(10, ip)
continue continue
} }
if host == "localhost" {
host = ip.String()
}
for _, linkLocalPrefix := range []string{ for _, linkLocalPrefix := range []string{
"169.254.", "fe8", "fe9", "fea", "feb", "169.254.", "fe8", "fe9", "fea", "feb"} {
} {
if strings.HasPrefix(ip.String(), linkLocalPrefix) { if strings.HasPrefix(ip.String(), linkLocalPrefix) {
addIP(20, ip)
continue addrs continue addrs
} }
} }
addIP(30, ip) return ip.String()
} }
} }
sort.Slice(hosts, func(i, j int) bool { return hosts[i].prio > hosts[j].prio }) return
return hosts[0].host
} }

View file

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/*
* Copyright (c) 2018 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
import "sort"
type (
PointerButton int
Key int
)
const (
PointerButtonLeft PointerButton = iota
PointerButtonRight
PointerButtonMiddle
PointerButtonLimit
)
const (
KeyVolumeMute Key = iota
KeyVolumeDown
KeyVolumeUp
KeyMediaPlayPause
KeyMediaPrevTrack
KeyMediaNextTrack
KeyBrowserBack
KeyBrowserForward
KeySuper
KeyLeft
KeyRight
KeyUp
KeyDown
KeyHome
KeyEnd
KeyBackSpace
KeyDelete
KeyReturn
KeyLimit
)
type ControllerInfo struct {
Name string
Init func() (Controller, error)
priority int
}
var Controllers []ControllerInfo
func RegisterController(name string, init func() (Controller, error), priority int) {
Controllers = append(Controllers, ControllerInfo{name, init, priority})
sort.SliceStable(Controllers, func(i, j int) bool {
return Controllers[i].priority < Controllers[j].priority
})
}
type UnsupportedPlatformError struct {
Err error
}
func (e *UnsupportedPlatformError) Error() string {
return e.Err.Error()
}
func (e *UnsupportedPlatformError) Unwrap() error {
return e.Err
}
type Controller interface {
Close() error
KeyboardText(text string) error
KeyboardKey(key Key) error
PointerButton(button PointerButton, press bool) error
PointerMove(deltaX, deltaY int) error
PointerScroll(deltaHorizontal, deltaVertical int, finish bool) error
}

View file

@ -1,66 +0,0 @@
//go:build null
/*
* Copyright (c) 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
import (
"log"
)
type nullController struct{}
func init() {
RegisterController("null", InitNullController, 1000)
}
func InitNullController() (Controller, error) {
return &nullController{}, nil
}
func (p *nullController) Close() error {
return nil
}
func (p *nullController) KeyboardText(text string) error {
log.Printf("KeyboardText(text: %#v)", text)
return nil
}
func (p *nullController) KeyboardKey(key Key) error {
log.Printf("KeyboardKey(key: %#v)", key)
return nil
}
func (p *nullController) PointerButton(button PointerButton, press bool) error {
log.Printf("PointerButton(button: %#v, press: %#v)", button, press)
return nil
}
func (p *nullController) PointerMove(deltaX, deltaY int) error {
log.Printf("PointerMove(deltaX: %#v, deltaY: %#v)", deltaX, deltaY)
return nil
}
func (p *nullController) PointerScroll(deltaHorizontal, deltaVertical int, finish bool) error {
log.Printf("PointerScroll(deltaHorizontal: %#v, deltaVertical: %#v, finish: %#v)",
deltaHorizontal, deltaVertical, finish)
return nil
}

View file

@ -1,400 +0,0 @@
//go:build portal
/*
* Copyright (c) 2018 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
import (
"crypto/aes"
"crypto/cipher"
"crypto/hkdf"
"crypto/rand"
"crypto/sha256"
"errors"
"fmt"
"io"
"log"
"os"
"path/filepath"
"slices"
"github.com/godbus/dbus/v5"
)
const (
deviceKeyboard uint32 = 1
devicePointer uint32 = 2
btnReleased uint32 = 0
btnPressed uint32 = 1
untilRevoked uint32 = 2
// linux/input-event-codes.h
btnLeft int32 = 0x110
btnRight int32 = 0x111
btnMiddle int32 = 0x112
)
type portalController struct {
bus *dbus.Conn
portalDesktop dbus.BusObject
sessionHandle dbus.ObjectPath
}
func init() {
RegisterController("RemoteDesktop portal", InitPortalController, 1)
}
func InitPortalController() (Controller, error) {
bus, err := dbus.SessionBusPrivate()
if err != nil {
return nil, &UnsupportedPlatformError{err}
}
cleanupBus := true
defer func() {
if cleanupBus {
bus.Close()
}
}()
err = bus.Auth(nil)
if err != nil {
return nil, &UnsupportedPlatformError{err}
}
err = bus.Hello()
if err != nil {
return nil, &UnsupportedPlatformError{err}
}
portalDesktop := bus.Object("org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop")
remoteDesktopVersionV, err := portalDesktop.GetProperty(
"org.freedesktop.portal.RemoteDesktop.version")
if err != nil {
return nil, &UnsupportedPlatformError{
fmt.Errorf("getting 'version' failed: %w", err),
}
}
remoteDesktopVersion, ok := remoteDesktopVersionV.Value().(uint32)
if !ok {
return nil, &UnsupportedPlatformError{
errors.New("unexpected 'version' type"),
}
}
restoreTokenStore, err := func() (*secretStore, error) {
if remoteDesktopVersion < 2 {
return nil, nil
}
cacheDirectory, err := os.UserCacheDir()
if err != nil {
return nil, err
}
if err := os.MkdirAll(cacheDirectory, 0o700); err != nil {
return nil, err
}
secret, err := retrieveSecret(bus)
if err != nil {
return nil, err
}
return newSecretStore(secret,
filepath.Join(cacheDirectory, "remote-touchpad.portal-restore-token.bin"))
}()
if err != nil {
log.Printf("Skipping restore token: %v", err)
}
availableDeviceTypesV, err := portalDesktop.GetProperty(
"org.freedesktop.portal.RemoteDesktop.AvailableDeviceTypes")
if err != nil {
return nil, &UnsupportedPlatformError{
fmt.Errorf("getting 'AvailableDeviceTypes' failed: %w", err),
}
}
availableDeviceTypes, ok := availableDeviceTypesV.Value().(uint32)
if !ok {
return nil, &UnsupportedPlatformError{
errors.New("unexpected 'AvailableDeviceTypes' return type"),
}
}
if availableDeviceTypes&deviceKeyboard == 0 ||
availableDeviceTypes&devicePointer == 0 {
return nil, &UnsupportedPlatformError{
errors.New("keyboard or pointer source type not supported"),
}
}
createSessionResults, err := checkResponse(getResponse(bus, portalDesktop,
"org.freedesktop.portal.RemoteDesktop.CreateSession", 0,
map[string]dbus.Variant{"session_handle_token": dbus.MakeVariant("t")},
))
if err != nil {
return nil, &UnsupportedPlatformError{
fmt.Errorf("calling 'CreateSession' failed: %w", err),
}
}
sessionHandleString, ok := createSessionResults["session_handle"].Value().(string)
if !ok {
return nil, &UnsupportedPlatformError{
errors.New("unexpected 'session_handle' type in 'CreateSession' return value"),
}
}
sessionHandle := dbus.ObjectPath(sessionHandleString)
selectDevicesOptions := map[string]dbus.Variant{
"types": dbus.MakeVariant(deviceKeyboard | devicePointer),
}
if restoreTokenStore != nil {
if restoreToken, err := restoreTokenStore.Load(); err != nil {
if !errors.Is(err, os.ErrNotExist) {
log.Printf("Failed to load restore token: %v", err)
}
} else if len(restoreToken) > 0 {
selectDevicesOptions["restore_token"] = dbus.MakeVariant(string(restoreToken))
}
selectDevicesOptions["persist_mode"] = dbus.MakeVariant(untilRevoked)
}
_, err = checkResponse(getResponse(bus, portalDesktop,
"org.freedesktop.portal.RemoteDesktop.SelectDevices", 0,
sessionHandle, selectDevicesOptions,
))
if err != nil {
return nil, &UnsupportedPlatformError{
fmt.Errorf("calling 'SelectDevices' failed: %w", err),
}
}
startResponseStatus, startResults, err := getResponse(bus, portalDesktop,
"org.freedesktop.portal.RemoteDesktop.Start", 0,
sessionHandle, "", map[string]dbus.Variant{},
)
if err != nil {
return nil, &UnsupportedPlatformError{
fmt.Errorf("calling 'Start' failed: %w", err),
}
}
if startResponseStatus != 0 {
return nil, errors.New("keyboard or pointer access denied")
}
if restoreToken, _ := startResults["restore_token"].Value().(string); restoreTokenStore != nil {
if err := restoreTokenStore.Store([]byte(restoreToken)); err != nil {
log.Printf("Failed to store restore token: %v", err)
}
}
devices, ok := startResults["devices"].Value().(uint32)
if !ok {
return nil, &UnsupportedPlatformError{
errors.New("unexpected 'devices' type in 'Start' return value"),
}
}
if devices&deviceKeyboard == 0 || devices&devicePointer == 0 {
return nil, errors.New("keyboard or pointer access denied")
}
cleanupBus = false
return &portalController{
bus: bus, portalDesktop: portalDesktop,
sessionHandle: sessionHandle,
}, nil
}
func retrieveSecret(bus *dbus.Conn) ([]byte, error) {
portalDesktop := bus.Object("org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop")
secretReader, secretWriter, err := os.Pipe()
if err != nil {
return nil, err
}
defer secretReader.Close()
defer secretWriter.Close()
if _, err := checkResponse(getResponse(bus, portalDesktop,
"org.freedesktop.portal.Secret.RetrieveSecret", 0,
dbus.UnixFD(secretWriter.Fd()), map[string]dbus.Variant{},
)); err != nil {
return nil, fmt.Errorf("calling 'RetrieveSecret' failed: %w", err)
}
if err := secretWriter.Close(); err != nil {
return nil, err
}
secret, err := io.ReadAll(secretReader)
if err != nil {
return nil, err
}
if len(secret) < 16 {
return nil, fmt.Errorf("'RetrieveSecret' returned too few bytes (%d)", len(secret))
}
return secret, err
}
type secretStore struct {
aesgcm cipher.AEAD
filename string
}
func newSecretStore(key []byte, filename string) (*secretStore, error) {
derivedKey, err := hkdf.Key(sha256.New, key, nil, "", 32)
if err != nil {
return nil, err
}
block, err := aes.NewCipher(derivedKey)
if err != nil {
return nil, err
}
aesgcm, err := cipher.NewGCM(block)
if err != nil {
return nil, err
}
return &secretStore{
aesgcm: aesgcm,
filename: filename,
}, nil
}
func (s *secretStore) Load() ([]byte, error) {
data, err := os.ReadFile(s.filename)
if err != nil {
return nil, err
}
if len(data) < s.aesgcm.NonceSize() {
return nil, errors.New("invalid ciphertext")
}
nonce := data[:s.aesgcm.NonceSize()]
ciphertext := data[len(nonce):]
return s.aesgcm.Open(nil, nonce, ciphertext, nil)
}
func (s *secretStore) Store(data []byte) error {
nonce := make([]byte, s.aesgcm.NonceSize())
if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
return err
}
ciphertext := s.aesgcm.Seal(nil, nonce, data, nil)
return os.WriteFile(s.filename, slices.Concat(nonce, ciphertext), 0o600)
}
func getResponse(bus *dbus.Conn, object dbus.BusObject, method string,
flags dbus.Flags, args ...interface{},
) (uint32, map[string]dbus.Variant, error) {
ch := make(chan *dbus.Signal, 512)
bus.Signal(ch)
defer bus.RemoveSignal(ch)
var requestPath dbus.ObjectPath
if err := object.Call(method, flags, args...).Store(&requestPath); err != nil {
return 0, nil, err
}
for {
s := <-ch
if s.Path == requestPath && s.Name == "org.freedesktop.portal.Request.Response" {
if len(s.Body) != 2 {
return 0, nil, fmt.Errorf("unexpected 'Response' return length (%d)", len(s.Body))
}
responseStatus, ok := s.Body[0].(uint32)
if !ok {
return 0, nil, errors.New("unexpected 'Response' return type")
}
results, ok := s.Body[1].(map[string]dbus.Variant)
if !ok {
return 0, nil, errors.New("unexpected 'Response' return type")
}
return responseStatus, results, nil
}
}
}
func checkResponse(responseStatus uint32, results map[string]dbus.Variant, err error) (map[string]dbus.Variant, error) {
if err == nil && responseStatus != 0 {
err = fmt.Errorf("unexpected 'Response' status (%d)", responseStatus)
}
return results, err
}
func (p *portalController) Close() error {
return p.bus.Close()
}
func (p *portalController) keyboardKeys(keys []Keysym) error {
for _, keysym := range keys {
for _, state := range [...]uint32{btnPressed, btnReleased} {
if err := p.portalDesktop.Call(
"org.freedesktop.portal.RemoteDesktop.NotifyKeyboardKeysym", 0,
p.sessionHandle, map[string]dbus.Variant{}, keysym, state,
).Store(); err != nil {
return err
}
}
}
return nil
}
func (p *portalController) KeyboardText(text string) error {
keys := make([]Keysym, 0, len(text))
for _, runeValue := range text {
keysym, err := RuneToKeysym(runeValue)
if err != nil {
return err
}
keys = append(keys, keysym)
}
return p.keyboardKeys(keys)
}
func (p *portalController) KeyboardKey(key Key) error {
keysym, err := KeyToKeysym(key)
if err != nil {
return err
}
keys := [...]Keysym{keysym}
return p.keyboardKeys(keys[:])
}
func (p *portalController) PointerButton(button PointerButton, press bool) error {
var btn int32
switch button {
case PointerButtonLeft:
btn = btnLeft
case PointerButtonMiddle:
btn = btnMiddle
case PointerButtonRight:
btn = btnRight
default:
return fmt.Errorf("unsupported pointer button: %#v", button)
}
state := btnReleased
if press {
state = btnPressed
}
if err := p.portalDesktop.Call("org.freedesktop.portal.RemoteDesktop.NotifyPointerButton", 0,
p.sessionHandle, map[string]dbus.Variant{}, btn, state,
).Store(); err != nil {
return err
}
return nil
}
func (p *portalController) PointerMove(deltaX, deltaY int) error {
if err := p.portalDesktop.Call("org.freedesktop.portal.RemoteDesktop.NotifyPointerMotion", 0,
p.sessionHandle, map[string]dbus.Variant{}, float64(deltaX), float64(deltaY),
).Store(); err != nil {
return err
}
return nil
}
func (p *portalController) PointerScroll(deltaHorizontal, deltaVertical int, finish bool) error {
if err := p.portalDesktop.Call("org.freedesktop.portal.RemoteDesktop.NotifyPointerAxis", 0,
p.sessionHandle, map[string]dbus.Variant{"finish": dbus.MakeVariant(finish)}, float64(deltaHorizontal), float64(deltaVertical),
).Store(); err != nil {
return err
}
return nil
}

View file

@ -1,200 +0,0 @@
//go:build uinput
/*
* Copyright (c) 2023 De_Coder github.com/ps100000
* Copyright (c) 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
import (
"errors"
"fmt"
"log"
"os"
"time"
"github.com/bendahl/uinput"
)
const shiftKeysDelay time.Duration = 50 * time.Millisecond
type uinputController struct {
keymap *Keymap
keyboard uinput.Keyboard
mouse uinput.Mouse
}
func init() {
RegisterController("uinput", InitUinputController, 10)
}
func InitUinputController() (Controller, error) {
keymapName, keymapSet := os.LookupEnv("REMOTE_TOUCHPAD_UINPUT_KEYMAP")
if !keymapSet {
keymapName = "defkeymap"
}
keymap, err := LoadKeymap(keymapName)
if err != nil {
return nil, err
}
keyboard, err := uinput.CreateKeyboard("/dev/uinput", []byte("remote-touchpad-keyboard"))
if errors.Is(err, os.ErrNotExist) || errors.Is(err, os.ErrPermission) {
err = &UnsupportedPlatformError{err}
}
if err != nil {
return nil, err
}
mouse, err := uinput.CreateMouse("/dev/uinput", []byte("remote-touchpad-mouse"))
if errors.Is(err, os.ErrNotExist) || errors.Is(err, os.ErrPermission) {
err = &UnsupportedPlatformError{err}
}
if err != nil {
keyboard.Close()
return nil, err
}
if !keymapSet {
log.Print("Hint: Set the keyboard mapping with the REMOTE_TOUCHPAD_UINPUT_KEYMAP environment variable")
}
return &uinputController{keymap, keyboard, mouse}, nil
}
func (p *uinputController) Close() error {
return errors.Join(p.keyboard.Close(), p.mouse.Close())
}
func (p *uinputController) KeyboardText(text string) error {
var activeShiftKeys KeyCombo
updateShiftKeys := func(keyCombo KeyCombo) error {
if activeShiftKeys.ShiftKeys == keyCombo.ShiftKeys {
activeShiftKeys.Key = keyCombo.Key
return nil
}
if activeShiftKeys.Key != 0 {
time.Sleep(shiftKeysDelay)
activeShiftKeys.Key = 0
}
for i := range keyCombo.ShiftKeys {
if activeShiftKeys.ShiftKeys[i] != keyCombo.ShiftKeys[i] {
if activeShiftKeys.ShiftKeys[i] != 0 {
if err := p.keyboard.KeyUp(activeShiftKeys.ShiftKeys[i]); err != nil {
return err
}
activeShiftKeys.ShiftKeys[i] = 0
}
if keyCombo.ShiftKeys[i] != 0 {
if err := p.keyboard.KeyDown(keyCombo.ShiftKeys[i]); err != nil {
return err
}
activeShiftKeys.ShiftKeys[i] = keyCombo.ShiftKeys[i]
}
}
}
if keyCombo.Key != 0 {
activeShiftKeys.Key = keyCombo.Key
time.Sleep(shiftKeysDelay)
}
return nil
}
defer updateShiftKeys(KeyCombo{})
for _, runeValue := range text {
keyCombo, found := p.keymap.Get(runeValue)
if !found {
return fmt.Errorf("unsupported rune: %q", runeValue)
}
if err := updateShiftKeys(keyCombo); err != nil {
return err
}
if err := p.keyboard.KeyPress(keyCombo.Key); err != nil {
return err
}
}
return updateShiftKeys(KeyCombo{Key: 1})
}
func (p *uinputController) KeyboardKey(key Key) error {
var uinputKey int
switch key {
case KeyBackSpace:
uinputKey = uinput.KeyBackspace
case KeyReturn:
uinputKey = uinput.KeyEnter
case KeyDelete:
uinputKey = uinput.KeyDelete
case KeyHome:
uinputKey = uinput.KeyHome
case KeyLeft:
uinputKey = uinput.KeyLeft
case KeyUp:
uinputKey = uinput.KeyUp
case KeyRight:
uinputKey = uinput.KeyRight
case KeyDown:
uinputKey = uinput.KeyDown
case KeyEnd:
uinputKey = uinput.KeyEnd
case KeySuper:
uinputKey = uinput.KeyLeftmeta
case KeyVolumeMute:
uinputKey = uinput.KeyMute
case KeyVolumeDown:
uinputKey = uinput.KeyVolumedown
case KeyVolumeUp:
uinputKey = uinput.KeyVolumeup
case KeyMediaPlayPause:
uinputKey = uinput.KeyPlaypause
case KeyMediaPrevTrack:
uinputKey = uinput.KeyPrevioussong
case KeyMediaNextTrack:
uinputKey = uinput.KeyNextsong
case KeyBrowserBack:
uinputKey = uinput.KeyBack
case KeyBrowserForward:
uinputKey = uinput.KeyForward
default:
return fmt.Errorf("unsupported key: %#v", key)
}
return p.keyboard.KeyPress(uinputKey)
}
func (p *uinputController) PointerButton(button PointerButton, press bool) error {
switch {
case button == PointerButtonLeft && press:
return p.mouse.LeftPress()
case button == PointerButtonLeft && !press:
return p.mouse.LeftRelease()
case button == PointerButtonRight && press:
return p.mouse.RightPress()
case button == PointerButtonRight && !press:
return p.mouse.RightRelease()
case button == PointerButtonMiddle && press:
return p.mouse.MiddlePress()
case button == PointerButtonMiddle && !press:
return p.mouse.MiddleRelease()
default:
return fmt.Errorf("unsupported pointer button: %#v", button)
}
}
func (p *uinputController) PointerMove(deltaX, deltaY int) error {
return p.mouse.Move(int32(deltaX), int32(deltaY))
}
func (p *uinputController) PointerScroll(deltaHorizontal, deltaVertical int, finish bool) error {
return errors.Join(p.mouse.Wheel(false, int32(-deltaVertical)), p.mouse.Wheel(true, int32(deltaHorizontal)))
}

View file

@ -1,244 +0,0 @@
//go:build windows
/*
* Copyright (c) 2018 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
import (
"fmt"
"syscall"
"unsafe"
)
const (
inputMouse uintptr = 0x0
inputKeyboard uintptr = 0x1
keyeventfKeyup uint32 = 0x2
keyeventfUnicode uint32 = 0x4
vkBack uint16 = 0x8
vkReturn uint16 = 0xD
vkEnd uint16 = 0x23
vkHome uint16 = 0x24
vkLeft uint16 = 0x25
vkUp uint16 = 0x26
vkRight uint16 = 0x27
vkDown uint16 = 0x28
vkDelete uint16 = 0x2E
vkLwin uint16 = 0x5B
vkBrowserBack uint16 = 0xA6
vkBrowserForward uint16 = 0xA7
vkVolumeMute uint16 = 0xAD
vkVolumeDown uint16 = 0xAE
vkVolumeUp uint16 = 0xAF
vkMediaNextTrack uint16 = 0xB0
vkMediaPrevTrack uint16 = 0xB1
vkMediaPlayPause uint16 = 0xB3
mouseeventfMove uint32 = 0x1
mouseeventfLeftdown uint32 = 0x2
mouseeventfLeftup uint32 = 0x4
mouseeventfRightdown uint32 = 0x8
mouseeventfRightup uint32 = 0x10
mouseeventfMiddledown uint32 = 0x20
mouseeventfMiddleup uint32 = 0x40
mouseeventfWheel uint32 = 0x800
mouseeventfHwheel uint32 = 0x1000
scrollMult int = 6
)
var (
user32DLL = syscall.NewLazyDLL("user32.dll")
sendInputProc = user32DLL.NewProc("SendInput")
)
type mouseInput struct {
typ uintptr // HACK: padded uint32
dx, dy int32
mouseData, dwFlags, time uint32
dwExtraInfo uintptr
}
type keybdInput struct {
typ uintptr // HACK: padded uint32
wVk, wScan uint16
dwFlags, time uint32
dwExtraInfo uintptr
padding [8]byte
}
type windowsController struct{}
func init() {
RegisterController("Windows", InitWindowsController, 0)
}
func InitWindowsController() (Controller, error) {
p := &windowsController{}
if err := sendInputProc.Find(); err != nil {
return nil, &UnsupportedPlatformError{err}
}
return p, nil
}
func (p *windowsController) Close() error {
return nil
}
func (p *windowsController) sendInput(inputs []keybdInput) error {
if len(inputs) == 0 {
return nil
}
if sent, _, err := sendInputProc.Call(uintptr(len(inputs)),
uintptr(unsafe.Pointer(&inputs[0])), unsafe.Sizeof(inputs[0])); int(sent) != len(inputs) {
return err
}
return nil
}
func (p *windowsController) KeyboardText(text string) error {
inputs := make([]keybdInput, 0, len(text)*2)
for _, runeValue := range text {
in := keybdInput{typ: inputKeyboard, wScan: uint16(runeValue), dwFlags: keyeventfUnicode}
inputs = append(inputs, in)
in.dwFlags |= keyeventfKeyup
inputs = append(inputs, in)
}
if len(inputs) == 0 {
return nil
}
return p.sendInput(inputs)
}
func (p *windowsController) KeyboardKey(key Key) error {
input := keybdInput{typ: inputKeyboard}
switch key {
case KeyBackSpace:
input.wVk = vkBack
case KeyReturn:
input.wVk = vkReturn
case KeyEnd:
input.wVk = vkEnd
case KeyHome:
input.wVk = vkHome
case KeyLeft:
input.wVk = vkLeft
case KeyUp:
input.wVk = vkUp
case KeyRight:
input.wVk = vkRight
case KeyDown:
input.wVk = vkDown
case KeyDelete:
input.wVk = vkDelete
case KeySuper:
input.wVk = vkLwin
case KeyBrowserBack:
input.wVk = vkBrowserBack
case KeyBrowserForward:
input.wVk = vkBrowserForward
case KeyVolumeMute:
input.wVk = vkVolumeMute
case KeyVolumeDown:
input.wVk = vkVolumeDown
case KeyVolumeUp:
input.wVk = vkVolumeUp
case KeyMediaNextTrack:
input.wVk = vkMediaNextTrack
case KeyMediaPrevTrack:
input.wVk = vkMediaPrevTrack
case KeyMediaPlayPause:
input.wVk = vkMediaPlayPause
default:
return fmt.Errorf("key not mapped to virtual-key code: %#v", key)
}
inputs := [...]keybdInput{input, input}
inputs[1].dwFlags |= keyeventfKeyup
return p.sendInput(inputs[:])
}
func (p *windowsController) PointerButton(button PointerButton, press bool) error {
input := mouseInput{typ: inputMouse}
if button == PointerButtonLeft && press {
input.dwFlags = mouseeventfLeftdown
} else if button == PointerButtonLeft {
input.dwFlags = mouseeventfLeftup
} else if button == PointerButtonMiddle && press {
input.dwFlags = mouseeventfMiddledown
} else if button == PointerButtonMiddle {
input.dwFlags = mouseeventfMiddleup
} else if button == PointerButtonRight && press {
input.dwFlags = mouseeventfRightdown
} else if button == PointerButtonRight {
input.dwFlags = mouseeventfRightup
} else {
return fmt.Errorf("unsupported pointer button: %#v", button)
}
if sent, _, err := sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
unsafe.Sizeof(input)); int(sent) != 1 {
return err
}
return nil
}
func (p *windowsController) PointerMove(deltaX, deltaY int) error {
input := mouseInput{
typ: inputMouse,
dx: int32(deltaX),
dy: int32(deltaY),
dwFlags: mouseeventfMove,
}
if sent, _, err := sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
unsafe.Sizeof(input)); int(sent) != 1 {
return err
}
return nil
}
func (p *windowsController) PointerScroll(deltaHorizontal, deltaVertical int, finish bool) error {
inputs := make([]mouseInput, 0, 2)
if deltaHorizontal != 0 {
inputs = append(inputs, mouseInput{
typ: inputMouse,
dwFlags: mouseeventfHwheel,
mouseData: uint32(deltaHorizontal * scrollMult),
})
}
if deltaVertical != 0 {
inputs = append(inputs, mouseInput{
typ: inputMouse,
dwFlags: mouseeventfWheel,
mouseData: uint32(-deltaVertical * scrollMult),
})
}
if len(inputs) == 0 {
return nil
}
if sent, _, err := sendInputProc.Call(uintptr(len(inputs)),
uintptr(unsafe.Pointer(&inputs[0])), unsafe.Sizeof(inputs[0])); int(sent) != len(inputs) {
return err
}
return nil
}

View file

@ -1,397 +0,0 @@
//go:build x11
/*
* Copyright (c) 2018 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
// #cgo LDFLAGS: -lX11 -lXrandr -lXtst
// #include <stdlib.h>
// #include <X11/Xlib.h>
// #include <X11/Intrinsic.h>
// #include <X11/extensions/Xrandr.h>
// #include <X11/extensions/XTest.h>
// #include <X11/XKBlib.h>
// Window MacroDefaultRootWindow(Display *dpy) {
// return DefaultRootWindow(dpy);
// }
import "C"
import (
"errors"
"fmt"
"maps"
"slices"
"strings"
"sync"
"time"
"unsafe"
)
const (
keyboardMappingDelay time.Duration = 200 * time.Millisecond
scrollDiv int = 20
)
var modifierIndexes = [...]int{
C.ShiftMapIndex,
C.Mod1MapIndex,
C.Mod2MapIndex,
C.Mod3MapIndex,
C.Mod4MapIndex,
C.Mod5MapIndex,
}
type x11Controller struct {
display *C.Display
lock sync.Mutex
scrollHorizontal, scrollVertical int
}
func init() {
RegisterController("X11", InitX11Controller, 0)
}
func InitX11Controller() (Controller, error) {
display := C.XOpenDisplay(nil)
if display == nil {
return nil, &UnsupportedPlatformError{
errors.New("failed to connect to X server"),
}
}
p := &x11Controller{display: display}
if p.xIsXwayland() {
p.Close()
return nil, &UnsupportedPlatformError{
errors.New("X server is Xwayland"),
}
}
return p, nil
}
func (p *x11Controller) xIsXwayland() bool {
// Detection method from https://gitlab.freedesktop.org/xorg/app/xisxwayland/-/blob/xisxwayland-2/xisxwayland.c
var opcode, event, error, major, minor C.int
xwaylandExtensionName := C.CString("XWAYLAND")
defer C.free(unsafe.Pointer(xwaylandExtensionName))
if C.XQueryExtension(p.display, xwaylandExtensionName, &opcode, &event, &error) != 0 {
return true
}
if C.XRRQueryExtension(p.display, &event, &error) == 0 ||
C.XRRQueryVersion(p.display, &major, &minor) == 0 {
return false
}
resources := C.XRRGetScreenResourcesCurrent(p.display, C.MacroDefaultRootWindow(p.display))
if resources == nil {
return false
}
defer C.XRRFreeScreenResources(resources)
if resources.noutput < 1 {
return false
}
output := C.XRRGetOutputInfo(p.display, resources, *resources.outputs)
if output == nil {
return false
}
defer C.XRRFreeOutputInfo(output)
return strings.HasPrefix(C.GoString(output.name), "XWAYLAND")
}
func (p *x11Controller) Close() error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
C.XCloseDisplay(p.display)
p.display = nil
return nil
}
func (p *x11Controller) findEmptyKeycodeLocked() (keycode C.KeyCode, keysymsPerKeycode int, err error) {
var minKeycodes, maxKeycodes C.int
C.XDisplayKeycodes(p.display, &minKeycodes, &maxKeycodes)
var keysymsPerKeycodeC C.int
keysyms := C.XGetKeyboardMapping(
p.display,
C.KeyCode(minKeycodes),
maxKeycodes-minKeycodes+1,
&keysymsPerKeycodeC,
)
if keysyms == nil {
return 0, 0, errors.New("failed to get keyboard mapping")
}
defer C.XFree(unsafe.Pointer(keysyms))
keysymsPerKeycode = int(keysymsPerKeycodeC)
keycodes:
for keycode := int(minKeycodes); keycode <= int(maxKeycodes); keycode++ {
for i := range keysymsPerKeycode {
keysymsIndex := (keycode-int(minKeycodes))*keysymsPerKeycode + i
keysym := *(*C.KeySym)(unsafe.Pointer(
uintptr(unsafe.Pointer(keysyms)) +
uintptr(keysymsIndex)*unsafe.Sizeof(*keysyms),
))
if keysym != 0 {
continue keycodes
}
}
return C.KeyCode(keycode), keysymsPerKeycode, nil
}
return 0, 0, errors.New("no empty keycode found")
}
func (p *x11Controller) changeKeyMappingLocked(
keycode C.KeyCode, keysymsPerKeycode int, keysym Keysym,
) {
keycodeMapping := make([]C.KeySym, keysymsPerKeycode)
for i := range keycodeMapping {
keycodeMapping[i] = C.KeySym(keysym)
}
C.XChangeKeyboardMapping(
p.display,
C.int(keycode),
C.int(keysymsPerKeycode),
(*C.KeySym)(unsafe.Pointer(&keycodeMapping[0])),
1,
)
C.XSync(p.display, C.False)
}
func (p *x11Controller) getModKeycodesLocked() map[uint]C.KeyCode {
modKeymap := C.XGetModifierMapping(p.display)
defer C.XFreeModifiermap(modKeymap)
modKeycodes := make(map[uint]C.KeyCode)
for _, modIndex := range modifierIndexes {
for i := range int(modKeymap.max_keypermod) {
keycodeIndex := modIndex*int(modKeymap.max_keypermod) + i
keycode := *(*C.KeyCode)(unsafe.Pointer(
uintptr(unsafe.Pointer(modKeymap.modifiermap)) +
uintptr(keycodeIndex)*unsafe.Sizeof(*modKeymap.modifiermap),
))
if keycode != 0 {
modKeycodes[1<<modIndex] = keycode
break
}
}
}
return modKeycodes
}
func (p *x11Controller) findKeycodeLocked(
keyboard C.XkbDescPtr, modKeycodes map[uint]C.KeyCode, activeMods uint, keysym Keysym,
) (keycode C.KeyCode, mods uint) {
keycode = C.XKeysymToKeycode(p.display, C.KeySym(keysym))
if keycode == 0 {
return 0, 0
}
for activeModBitmap := range uint(1) << len(modKeycodes) {
mods := activeMods
for i, mod := range slices.Sorted(maps.Keys(modKeycodes)) {
if activeModBitmap&(1<<i) != 0 {
mods ^= mod
}
}
var retMods C.uint
var retKeysym C.KeySym
C.XkbTranslateKeyCode(keyboard, keycode, C.uint(mods), &retMods, &retKeysym)
if retKeysym == C.KeySym(keysym) {
return keycode, mods
}
}
return 0, 0
}
func (p *x11Controller) sendModsLocked(
modKeycodes map[uint]C.KeyCode, mods uint, press bool,
) {
var pressC C.int = C.False
if press {
pressC = C.True
}
for mod, keycode := range modKeycodes {
if mods&mod != 0 {
C.XTestFakeKeyEvent(p.display, C.uint(keycode), pressC, 0)
}
}
}
func (p *x11Controller) keyboardKeys(keys []Keysym) error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
if len(keys) == 0 {
return nil
}
rootWindow := C.XDefaultRootWindow(p.display)
modKeycodes := p.getModKeycodesLocked()
keyboard := C.XkbGetKeyboard(p.display,
C.XkbCompatMapMask|C.XkbGeometryMask, C.XkbUseCoreKbd)
defer C.XkbFreeKeyboard(keyboard, C.XkbAllComponentsMask, C.True)
var emptyKeycode C.KeyCode
var keysymsPerKeycode int
for _, keysym := range keys {
var root, child C.Window
var rootX, rootY, x, y C.int
var activeModsC C.uint
C.XQueryPointer(
p.display,
rootWindow,
&root, &child,
&rootX, &rootY,
&x, &y,
&activeModsC,
)
activeMods := uint(activeModsC)
keycode, mods := p.findKeycodeLocked(keyboard, modKeycodes, activeMods, keysym)
var pressMods, releaseMods uint
if keycode == 0 {
if emptyKeycode == 0 {
var err error
emptyKeycode, keysymsPerKeycode, err = p.findEmptyKeycodeLocked()
if err != nil {
return err
}
defer p.changeKeyMappingLocked(emptyKeycode, keysymsPerKeycode, 0)
}
keycode = emptyKeycode
p.changeKeyMappingLocked(keycode, keysymsPerKeycode, keysym)
} else {
pressMods = mods & ^activeMods
releaseMods = activeMods & ^mods
}
p.sendModsLocked(modKeycodes, releaseMods, false)
p.sendModsLocked(modKeycodes, pressMods, true)
C.XTestFakeKeyEvent(p.display, C.uint(keycode), C.True, 0)
C.XTestFakeKeyEvent(p.display, C.uint(keycode), C.False, 0)
p.sendModsLocked(modKeycodes, pressMods, false)
p.sendModsLocked(modKeycodes, releaseMods, true)
C.XSync(p.display, C.False)
if keycode == emptyKeycode {
// race condition!
time.Sleep(keyboardMappingDelay)
}
}
return nil
}
func (p *x11Controller) KeyboardText(text string) error {
keys := make([]Keysym, 0, len(text))
for _, runeValue := range text {
keysym, err := RuneToKeysym(runeValue)
if err != nil {
return err
}
keys = append(keys, keysym)
}
return p.keyboardKeys(keys)
}
func (p *x11Controller) KeyboardKey(key Key) error {
keysym, err := KeyToKeysym(key)
if err != nil {
return err
}
keys := [...]Keysym{keysym}
return p.keyboardKeys(keys[:])
}
func (p *x11Controller) sendButton(button uint, press bool) error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
if button == 0 || button > 9 {
return errors.New("unsupported pointer button")
}
var pressC C.int = C.False
if press {
pressC = C.True
}
C.XTestFakeButtonEvent(p.display, C.uint(button), pressC, 0)
C.XSync(p.display, C.False)
return nil
}
func (p *x11Controller) PointerButton(button PointerButton, press bool) error {
switch button {
case PointerButtonLeft:
return p.sendButton(1, press)
case PointerButtonRight:
return p.sendButton(3, press)
case PointerButtonMiddle:
return p.sendButton(2, press)
default:
return fmt.Errorf("unsupported pointer button: %#v", button)
}
}
func (p *x11Controller) PointerMove(deltaX, deltaY int) error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
C.XTestFakeRelativeMotionEvent(p.display, C.int(deltaX), C.int(deltaY), 0)
C.XSync(p.display, C.False)
return nil
}
func (p *x11Controller) PointerScroll(deltaHorizontal, deltaVertical int, finish bool) error {
p.lock.Lock()
stepsHorizontal := (p.scrollHorizontal + deltaHorizontal) / scrollDiv
stepsVertical := (p.scrollVertical + deltaVertical) / scrollDiv
if finish {
p.scrollHorizontal = 0
p.scrollVertical = 0
} else {
p.scrollHorizontal = (p.scrollHorizontal + deltaHorizontal) % scrollDiv
p.scrollVertical = (p.scrollVertical + deltaVertical) % scrollDiv
}
p.lock.Unlock()
var buttonHorizontal uint = 7
if stepsHorizontal < 0 {
buttonHorizontal = 6
stepsHorizontal = -stepsHorizontal
}
for range stepsHorizontal {
if err := p.sendButton(buttonHorizontal, true); err != nil {
return err
}
if err := p.sendButton(buttonHorizontal, false); err != nil {
return err
}
}
var buttonVertical uint = 5
if stepsVertical < 0 {
buttonVertical = 4
stepsVertical = -stepsVertical
}
for range stepsVertical {
if err := p.sendButton(buttonVertical, true); err != nil {
return err
}
if err := p.sendButton(buttonVertical, false); err != nil {
return err
}
}
return nil
}

View file

@ -1,130 +0,0 @@
//go:build uinput
/*
* Copyright (c) 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
import (
"fmt"
"os/exec"
"strings"
"unsafe"
)
const bkeymapFileSignature = "bkeymap"
// uapi/linux/keyboard.h
const (
nrKeys = 128
maxNrKeymaps = 256
nrShift = 9
ktLatin = 0
ktShift = 7
ktLetter = 11
)
type KeyCombo struct {
Key int
ShiftKeys [nrShift]int
}
type Keymap struct {
keyComboMap map[rune]KeyCombo
}
func (keymap Keymap) Get(character rune) (keyCombo KeyCombo, found bool) {
keyCombo, found = keymap.keyComboMap[character]
return
}
func LoadKeymap(name string) (*Keymap, error) {
if len(name) == 0 || strings.HasPrefix(name, "-") {
return nil, fmt.Errorf("invalid keymap name: %#v", name)
}
bkeymap, err := exec.Command("loadkeys", "--bkeymap", name).Output()
if err != nil {
return nil, &UnsupportedPlatformError{err}
}
if !strings.HasPrefix(string(bkeymap), bkeymapFileSignature) {
return nil, fmt.Errorf("invalid bkeymap: signature not found")
}
bkeymapHeader := bkeymap[len(bkeymapFileSignature):]
var keymaps [][nrKeys]int
if len(bkeymapHeader) < maxNrKeymaps {
return nil, fmt.Errorf("invalid bkeymap: EOF")
}
currentBkeymap := bkeymapHeader[maxNrKeymaps:]
for keymapIndex := 0; keymapIndex < maxNrKeymaps; keymapIndex += 1 {
if bkeymapHeader[keymapIndex] == 0 {
continue
}
if len(currentBkeymap) < nrKeys*2 {
return nil, fmt.Errorf("invalid bkeymap: EOF")
}
for len(keymaps) <= keymapIndex {
keymaps = append(keymaps, [nrKeys]int{})
}
for key := 0; key < nrKeys; key += 1 {
var keysym uint16
copy(unsafe.Slice((*byte)(unsafe.Pointer(&keysym)), 2),
currentBkeymap[key*2:])
keymaps[keymapIndex][key] = int(keysym)
}
currentBkeymap = currentBkeymap[nrKeys*2:]
}
keymap := Keymap{keyComboMap: make(map[rune]KeyCombo)}
if len(keymaps) == 0 {
return &keymap, nil
}
var shiftKeys [nrShift]int
for key, keysym := range keymaps[0] {
keyType := keysym >> 8
keyValue := keysym & 0xff
if keyType == ktShift && keyValue < nrShift && shiftKeys[keyValue] == 0 {
shiftKeys[keyValue] = key
}
}
keymapLoop:
for keymapIndex := range keymaps {
var activeShiftKeys [nrShift]int
for i, shiftKey := range shiftKeys {
if keymapIndex&(1<<i) != 0 {
if shiftKey == 0 {
continue keymapLoop
}
activeShiftKeys[i] = shiftKey
}
}
for key, keysym := range keymaps[keymapIndex] {
keyType := keysym >> 8
keyValue := keysym & 0xff
if (keyType != ktLatin && keyType != ktLetter) || keyValue == 0 {
continue
}
character := rune(keyValue)
if _, ok := keymap.keyComboMap[character]; ok {
continue
}
keymap.keyComboMap[character] = KeyCombo{key, activeShiftKeys}
}
}
return &keymap, nil
}

View file

@ -1,207 +0,0 @@
// Code generated by keysyms.generator.go. DO NOT EDIT.
//go:build portal || x11
package inputcontrol
var keysymsMap = map[rune]Keysym{
0x0008: 0x0000ff08,
0x0009: 0x0000ff09,
0x000a: 0x0000ff0a,
0x000b: 0x0000ff0b,
0x000d: 0x0000ff0d,
0x0013: 0x0000ff13,
0x0014: 0x0000ff14,
0x0015: 0x0000ff15,
0x001b: 0x0000ff1b,
0x0020: 0x00000020,
0x0021: 0x00000021,
0x0022: 0x00000022,
0x0023: 0x00000023,
0x0024: 0x00000024,
0x0025: 0x00000025,
0x0026: 0x00000026,
0x0027: 0x00000027,
0x0028: 0x00000028,
0x0029: 0x00000029,
0x002a: 0x0000002a,
0x002b: 0x0000002b,
0x002c: 0x0000002c,
0x002d: 0x0000002d,
0x002e: 0x0000002e,
0x002f: 0x0000002f,
0x0030: 0x00000030,
0x0031: 0x00000031,
0x0032: 0x00000032,
0x0033: 0x00000033,
0x0034: 0x00000034,
0x0035: 0x00000035,
0x0036: 0x00000036,
0x0037: 0x00000037,
0x0038: 0x00000038,
0x0039: 0x00000039,
0x003a: 0x0000003a,
0x003b: 0x0000003b,
0x003c: 0x0000003c,
0x003d: 0x0000003d,
0x003e: 0x0000003e,
0x003f: 0x0000003f,
0x0040: 0x00000040,
0x0041: 0x00000041,
0x0042: 0x00000042,
0x0043: 0x00000043,
0x0044: 0x00000044,
0x0045: 0x00000045,
0x0046: 0x00000046,
0x0047: 0x00000047,
0x0048: 0x00000048,
0x0049: 0x00000049,
0x004a: 0x0000004a,
0x004b: 0x0000004b,
0x004c: 0x0000004c,
0x004d: 0x0000004d,
0x004e: 0x0000004e,
0x004f: 0x0000004f,
0x0050: 0x00000050,
0x0051: 0x00000051,
0x0052: 0x00000052,
0x0053: 0x00000053,
0x0054: 0x00000054,
0x0055: 0x00000055,
0x0056: 0x00000056,
0x0057: 0x00000057,
0x0058: 0x00000058,
0x0059: 0x00000059,
0x005a: 0x0000005a,
0x005b: 0x0000005b,
0x005c: 0x0000005c,
0x005d: 0x0000005d,
0x005e: 0x0000005e,
0x005f: 0x0000005f,
0x0060: 0x00000060,
0x0061: 0x00000061,
0x0062: 0x00000062,
0x0063: 0x00000063,
0x0064: 0x00000064,
0x0065: 0x00000065,
0x0066: 0x00000066,
0x0067: 0x00000067,
0x0068: 0x00000068,
0x0069: 0x00000069,
0x006a: 0x0000006a,
0x006b: 0x0000006b,
0x006c: 0x0000006c,
0x006d: 0x0000006d,
0x006e: 0x0000006e,
0x006f: 0x0000006f,
0x0070: 0x00000070,
0x0071: 0x00000071,
0x0072: 0x00000072,
0x0073: 0x00000073,
0x0074: 0x00000074,
0x0075: 0x00000075,
0x0076: 0x00000076,
0x0077: 0x00000077,
0x0078: 0x00000078,
0x0079: 0x00000079,
0x007a: 0x0000007a,
0x007b: 0x0000007b,
0x007c: 0x0000007c,
0x007d: 0x0000007d,
0x007e: 0x0000007e,
0x00a0: 0x000000a0,
0x00a1: 0x000000a1,
0x00a2: 0x000000a2,
0x00a3: 0x000000a3,
0x00a4: 0x000000a4,
0x00a5: 0x000000a5,
0x00a6: 0x000000a6,
0x00a7: 0x000000a7,
0x00a8: 0x000000a8,
0x00a9: 0x000000a9,
0x00aa: 0x000000aa,
0x00ab: 0x000000ab,
0x00ac: 0x000000ac,
0x00ad: 0x000000ad,
0x00ae: 0x000000ae,
0x00af: 0x000000af,
0x00b0: 0x000000b0,
0x00b1: 0x000000b1,
0x00b2: 0x000000b2,
0x00b3: 0x000000b3,
0x00b4: 0x000000b4,
0x00b5: 0x000000b5,
0x00b6: 0x000000b6,
0x00b7: 0x000000b7,
0x00b8: 0x000000b8,
0x00b9: 0x000000b9,
0x00ba: 0x000000ba,
0x00bb: 0x000000bb,
0x00bc: 0x000000bc,
0x00bd: 0x000000bd,
0x00be: 0x000000be,
0x00bf: 0x000000bf,
0x00c0: 0x000000c0,
0x00c1: 0x000000c1,
0x00c2: 0x000000c2,
0x00c3: 0x000000c3,
0x00c4: 0x000000c4,
0x00c5: 0x000000c5,
0x00c6: 0x000000c6,
0x00c7: 0x000000c7,
0x00c8: 0x000000c8,
0x00c9: 0x000000c9,
0x00ca: 0x000000ca,
0x00cb: 0x000000cb,
0x00cc: 0x000000cc,
0x00cd: 0x000000cd,
0x00ce: 0x000000ce,
0x00cf: 0x000000cf,
0x00d0: 0x000000d0,
0x00d1: 0x000000d1,
0x00d2: 0x000000d2,
0x00d3: 0x000000d3,
0x00d4: 0x000000d4,
0x00d5: 0x000000d5,
0x00d6: 0x000000d6,
0x00d7: 0x000000d7,
0x00d8: 0x000000d8,
0x00d9: 0x000000d9,
0x00da: 0x000000da,
0x00db: 0x000000db,
0x00dc: 0x000000dc,
0x00dd: 0x000000dd,
0x00de: 0x000000de,
0x00df: 0x000000df,
0x00e0: 0x000000e0,
0x00e1: 0x000000e1,
0x00e2: 0x000000e2,
0x00e3: 0x000000e3,
0x00e4: 0x000000e4,
0x00e5: 0x000000e5,
0x00e6: 0x000000e6,
0x00e7: 0x000000e7,
0x00e8: 0x000000e8,
0x00e9: 0x000000e9,
0x00ea: 0x000000ea,
0x00eb: 0x000000eb,
0x00ec: 0x000000ec,
0x00ed: 0x000000ed,
0x00ee: 0x000000ee,
0x00ef: 0x000000ef,
0x00f0: 0x000000f0,
0x00f1: 0x000000f1,
0x00f2: 0x000000f2,
0x00f3: 0x000000f3,
0x00f4: 0x000000f4,
0x00f5: 0x000000f5,
0x00f6: 0x000000f6,
0x00f7: 0x000000f7,
0x00f8: 0x000000f8,
0x00f9: 0x000000f9,
0x00fa: 0x000000fa,
0x00fb: 0x000000fb,
0x00fc: 0x000000fc,
0x00fd: 0x000000fd,
0x00fe: 0x000000fe,
0x00ff: 0x000000ff,
}

View file

@ -1,126 +0,0 @@
//go:build ignore
/*
* Copyright (c) 2018 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"bufio"
"fmt"
"io"
"os"
"regexp"
"sort"
"strconv"
)
type Keysym int32
const (
keysymdefHeader string = "/usr/include/X11/keysymdef.h"
output string = "keysyms.generated.go"
maxMappedUnicode rune = 0xff
)
var overrideKeysyms = map[string]rune{
"XK_BackSpace": 0x08,
"XK_Tab": 0x09,
"XK_Linefeed": 0x0a,
"XK_Clear": 0x0b,
"XK_Return": 0x0d,
"XK_Pause": 0x13,
"XK_Scroll_Lock": 0x14,
"XK_Sys_Req": 0x15,
"XK_Escape": 0x1b,
}
func main() {
f, err := os.Open(keysymdefHeader)
if err != nil {
panic(err)
}
defer f.Close()
reader := bufio.NewReader(f)
re := regexp.MustCompile("^\\#define " +
"(XK_[a-zA-Z_0-9]+)\\s+" + // keysymName
"0x([0-9a-f]+)\\s*" + // keysym
"(?:/\\*\\s*(?:U\\+([0-9A-F]{4,6}))?.*\\*/\\s*)?" + // keysymUnicode (optional)
"$")
keysymsMap := make(map[rune]Keysym)
for {
l, err := reader.ReadString('\n')
if err == io.EOF {
break
} else if err != nil {
panic(err)
}
submatches := re.FindStringSubmatch(l)
if len(submatches) == 0 {
continue
}
keysymName := submatches[1]
keysymTemp, err := strconv.ParseInt(submatches[2], 16, 32)
keysym := Keysym(keysymTemp)
if err != nil {
panic(err)
}
unicode, found := overrideKeysyms[keysymName]
if !found {
if len(submatches[3]) == 0 {
continue
}
unicodeTemp, err := strconv.ParseInt(submatches[3], 16, 32)
unicode = rune(unicodeTemp)
if err != nil {
panic(err)
}
}
if unicode > maxMappedUnicode {
continue
}
if _, found := keysymsMap[unicode]; found {
continue
}
keysymsMap[unicode] = keysym
}
content := "// Code generated by keysyms.generator.go. DO NOT EDIT.\n" +
"//go:build portal || x11\n\n" +
"package inputcontrol\n\n" +
"var keysymsMap = map[rune]Keysym{\n"
keys := make([]rune, 0)
for key := range keysymsMap {
keys = append(keys, key)
}
sort.Slice(keys, func(i, j int) bool { return keys[i] < keys[j] })
for _, unicode := range keys {
keysym := keysymsMap[unicode]
content += fmt.Sprintf("\t0x%04x: 0x%08x,\n", unicode, keysym)
}
content += "}\n"
o, err := os.Create(output)
if err != nil {
panic(err)
}
defer o.Close()
if _, err := o.WriteString(content); err != nil {
panic(err)
}
}

View file

@ -1,109 +0,0 @@
//go:build portal || x11
/*
* Copyright (c) 2018 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package inputcontrol
//go:generate go run keysyms.generator.go
import "fmt"
type Keysym int32
const (
// X11/keysymdef.h
xkBackSpace Keysym = 0xff08
xkReturn Keysym = 0xff0D
xkDelete Keysym = 0xffff
xkHome Keysym = 0xff50
xkLeft Keysym = 0xff51
xkUp Keysym = 0xff52
xkRight Keysym = 0xff53
xkDown Keysym = 0xff54
xkEnd Keysym = 0xff57
xkSuperL Keysym = 0xffeb
// X11/XF86keysym.h
xf86xkAudioLowerVolume Keysym = 0x1008ff11
xf86xkAudioMute Keysym = 0x1008ff12
xf86xkAudioRaiseVolume Keysym = 0x1008ff13
xf86xkAudioPlay Keysym = 0x1008ff14
xf86xkAudioPrev Keysym = 0x1008ff16
xf86xkAudioNext Keysym = 0x1008ff17
xf86xkBack Keysym = 0x1008ff26
xf86xkForward Keysym = 0x1008ff27
)
func RuneToKeysym(runeValue rune) (Keysym, error) {
if runeValue == '\n' {
runeValue = '\r'
}
keysym, found := keysymsMap[runeValue]
if !found {
if runeValue < 0x100 || runeValue > 0x10ffff {
return 0, fmt.Errorf("rune not mappend to keysym and "+
"out of range for direct unicode mapping: %q", runeValue)
}
keysym = Keysym(0x01000000 + runeValue)
}
return keysym, nil
}
func KeyToKeysym(key Key) (Keysym, error) {
switch key {
case KeyBackSpace:
return xkBackSpace, nil
case KeyReturn:
return xkReturn, nil
case KeyDelete:
return xkDelete, nil
case KeyHome:
return xkHome, nil
case KeyLeft:
return xkLeft, nil
case KeyUp:
return xkUp, nil
case KeyRight:
return xkRight, nil
case KeyDown:
return xkDown, nil
case KeyEnd:
return xkEnd, nil
case KeySuper:
return xkSuperL, nil
case KeyVolumeMute:
return xf86xkAudioMute, nil
case KeyVolumeDown:
return xf86xkAudioLowerVolume, nil
case KeyVolumeUp:
return xf86xkAudioRaiseVolume, nil
case KeyMediaPlayPause:
return xf86xkAudioPlay, nil
case KeyMediaPrevTrack:
return xf86xkAudioPrev, nil
case KeyMediaNextTrack:
return xf86xkAudioNext, nil
case KeyBrowserBack:
return xf86xkBack, nil
case KeyBrowserForward:
return xf86xkForward, nil
default:
return 0, fmt.Errorf("key not mapped to keysym: %#v", key)
}
}

125
main.go
View file

@ -1,9 +1,9 @@
/* /*
* Copyright (c) 2018-2019 Unrud <unrud@outlook.com> * Copyright (c) 2018 Unrud<unrud@outlook.com>
* *
* This file is part of Remote-Touchpad. * This file is part of Remote-Touchpad.
* *
* Remote-Touchpad is free software: you can redistribute it and/or modify * Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.
@ -13,8 +13,8 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>. * along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/ */
package main package main
@ -27,19 +27,15 @@ import (
"errors" "errors"
"flag" "flag"
"fmt" "fmt"
"golang.org/x/net/websocket"
"log" "log"
mathrand "math/rand" mathrand "math/rand"
"net" "net"
"net/http" "net/http"
"os"
"strconv" "strconv"
"strings" "strings"
"time" "time"
"unicode/utf8" "unicode/utf8"
"github.com/unrud/remote-touchpad/inputcontrol"
"github.com/unrud/remote-touchpad/terminal"
"golang.org/x/net/websocket"
) )
const ( const (
@ -48,69 +44,50 @@ const (
authenticationRateBurst int = 10 authenticationRateBurst int = 10
challengeLength int = 8 challengeLength int = 8
defaultBind string = ":0" defaultBind string = ":0"
version string = "1.5.4" version string = "0.0.5"
prettyAppName string = "Remote Touchpad"
) )
type config struct { func processCommand(plugin Plugin, command string) error {
UpdateRate uint `json:"updateRate"`
ScrollSpeed float64 `json:"scrollSpeed"`
MoveSpeed float64 `json:"moveSpeed"`
MouseScrollSpeed float64 `json:"mouseScrollSpeed"`
MouseMoveSpeed float64 `json:"mouseMoveSpeed"`
}
func processCommand(controller inputcontrol.Controller, command string) error {
if len(command) == 0 { if len(command) == 0 {
return errors.New("empty command") return errors.New("empty command")
} }
if command == "S" { if command == "sf" {
return controller.PointerScroll(0, 0, true) return plugin.PointerScrollFinish()
} }
if command[0] == 't' { if command[0] == 't' {
text := command[1:] text := command[1:]
if !utf8.ValidString(text) { if !utf8.ValidString(text) {
return errors.New("invalid utf-8") return errors.New("invalid utf-8")
} }
return controller.KeyboardText(text) return plugin.KeyboardText(text)
} }
arguments := strings.Split(command[1:], ";") arguments := strings.Split(command[1:], ";")
if command[0] == 'k' && len(arguments) != 1 || if len(arguments) != 2 {
command[0] != 'k' && len(arguments) != 2 {
return errors.New("wrong number of arguments") return errors.New("wrong number of arguments")
} }
x, err := strconv.ParseInt(arguments[0], 10, 32) x, err := strconv.ParseInt(arguments[0], 10, 32)
if err != nil { if err != nil {
return err return err
} }
if command[0] == 'k' {
if x < 0 || x >= int64(inputcontrol.KeyLimit) {
return errors.New("unsupported key")
}
return controller.KeyboardKey(inputcontrol.Key(x))
}
y, err := strconv.ParseInt(arguments[1], 10, 32) y, err := strconv.ParseInt(arguments[1], 10, 32)
if err != nil { if err != nil {
return err return err
} }
if command[0] == 'm' { if command[0] == 'm' {
return controller.PointerMove(int(x), int(y)) return plugin.PointerMove(int(x), int(y))
} }
if command[0] == 's' { if command[0] == 's' {
return controller.PointerScroll(int(x), int(y), false) return plugin.PointerScroll(int(x), int(y))
}
if command[0] == 'S' {
return controller.PointerScroll(int(x), int(y), true)
} }
if command[0] == 'b' { if command[0] == 'b' {
if x < 0 || x >= int64(inputcontrol.PointerButtonLimit) { if x <= 0 || x > 3 {
return errors.New("unsupported pointer button") return errors.New("unsupported pointer button")
} }
b := true b := true
if y == 0 { if y == 0 {
b = false b = false
} }
return controller.PointerButton(inputcontrol.PointerButton(x), b) return plugin.PointerButton(uint(x), b)
} }
return errors.New("unsupported command") return errors.New("unsupported command")
} }
@ -151,61 +128,49 @@ func secureRandBase64(length int) string {
} }
func main() { func main() {
terminal.SetTitle(prettyAppName)
var bind, certFile, keyFile, secret string var bind, certFile, keyFile, secret string
var showVersion bool var showVersion, invert bool
var config config
flag.BoolVar(&showVersion, "version", false, "show program's version number and exit") flag.BoolVar(&showVersion, "version", false, "show program's version number and exit")
flag.StringVar(&bind, "bind", defaultBind, "bind server to [HOSTNAME]:PORT") flag.StringVar(&bind, "bind", defaultBind, "bind server to [HOSTNAME]:PORT")
flag.StringVar(&secret, "secret", "", "shared secret for client authentication") flag.StringVar(&secret, "secret", "", "shared secret for client authentication")
flag.StringVar(&certFile, "cert", "", "file containing TLS certificate") flag.StringVar(&certFile, "cert", "", "file containing TLS certificate")
flag.StringVar(&keyFile, "key", "", "file containing TLS private key") flag.StringVar(&keyFile, "key", "", "file containing TLS private key")
flag.UintVar(&config.UpdateRate, "update-rate", 30, "number of updates per second") flag.BoolVar(&invert, "invert", false, "use inverse colors for QR code")
flag.Float64Var(&config.MoveSpeed, "move-speed", 1, "move speed multiplier") flag.Int("interval", 0, "obsolete, not used anymore")
flag.Float64Var(&config.ScrollSpeed, "scroll-speed", 1, "scroll speed multiplier")
flag.Float64Var(&config.MouseMoveSpeed, "mouse-move-speed", 1, "mouse move speed multiplier")
flag.Float64Var(&config.MouseScrollSpeed, "mouse-scroll-speed", 1, "mouse scroll speed multiplier")
flag.Parse() flag.Parse()
if showVersion { if showVersion {
fmt.Println(version) fmt.Println(version)
return return
} }
if certFile != "" && keyFile == "" { if certFile != "" && keyFile == "" {
log.Fatal("TLS private key file missing") log.Fatal("TLS certificate missing")
} }
if certFile == "" && keyFile != "" { if certFile == "" && keyFile != "" {
log.Fatal("TLS certificate file missing") log.Fatal("TLS private key missing")
} }
tls := certFile != "" && keyFile != "" tls := certFile != "" && keyFile != ""
if secret == "" { if secret == "" {
secret = secureRandBase64(defaultSecretLength) secret = secureRandBase64(defaultSecretLength)
} }
if len(inputcontrol.Controllers) == 0 { var plugin Plugin
log.Fatal("compiled without controller") var pluginName string
} platformErrors := ""
var controller inputcontrol.Controller for _, pluginInfo := range Plugins {
var controllerName string pluginName = pluginInfo.Name
var platformErrs []error
for _, controllerInfo := range inputcontrol.Controllers {
controllerName = controllerInfo.Name
var err error var err error
controller, err = controllerInfo.Init() plugin, err = pluginInfo.Init()
if err == nil { if err == nil {
break break
} else if _, ok := err.(UnsupportedPlatformError); ok {
platformErrors += fmt.Sprintf("%s plugin: %v\n", pluginName, err)
} else { } else {
var unsupportedErr *inputcontrol.UnsupportedPlatformError log.Fatal(fmt.Sprintf("%s plugin: %v", pluginName, err))
wrappedErr := fmt.Errorf("%v controller: %w", controllerName, err)
if errors.As(err, &unsupportedErr) {
platformErrs = append(platformErrs, wrappedErr)
} else {
log.Fatal(wrappedErr)
}
} }
} }
if controller == nil { if plugin == nil {
log.Fatal(fmt.Errorf("unsupported platform:\n%w", errors.Join(platformErrs...))) log.Fatal("unsupported platform:\n" + platformErrors)
} }
defer controller.Close() defer plugin.Close()
authenticationChallenges := make(chan challenge, authenticationRateBurst) authenticationChallenges := make(chan challenge, authenticationRateBurst)
go authenticationChallengeGenerator(secret, authenticationChallenges) go authenticationChallengeGenerator(secret, authenticationChallenges)
listener, err := net.Listen("tcp", bind) listener, err := net.Listen("tcp", bind)
@ -225,11 +190,11 @@ func main() {
} }
} }
if host == "" { if host == "" {
host = findDefaultHost() host = FindDefaultHost()
} }
port := addr.Port port := addr.Port
mux := http.NewServeMux() mux := http.NewServeMux()
mux.Handle("/", http.FileServer(http.FS(webdataFS))) mux.Handle("/", http.FileServer(assetFS()))
mux.Handle("/ws", websocket.Handler(func(ws *websocket.Conn) { mux.Handle("/ws", websocket.Handler(func(ws *websocket.Conn) {
var message string var message string
challenge := <-authenticationChallenges challenge := <-authenticationChallenges
@ -240,13 +205,12 @@ func main() {
if !challenge.verify(message) { if !challenge.verify(message) {
return return
} }
websocket.JSON.Send(ws, config)
for { for {
if err := websocket.Message.Receive(ws, &message); err != nil { if err := websocket.Message.Receive(ws, &message); err != nil {
return return
} }
if err := processCommand(controller, message); err != nil { if err := processCommand(plugin, message); err != nil {
log.Print(fmt.Errorf("%s controller: %w", controllerName, err)) log.Print(fmt.Sprintf("%s plugin: %v", pluginName, err))
return return
} }
} }
@ -259,17 +223,16 @@ func main() {
if tls { if tls {
scheme = "https" scheme = "https"
} }
url := fmt.Sprintf("%s://%s/#%s", scheme, domain, secret) url := fmt.Sprintf("%s://%s/#%s\n", scheme, domain, secret)
fmt.Println(url) readyMsg := "ready: " + url
if qrCode, err := terminal.GenerateQRCode(url, terminal.SupportsColor(os.Stdout.Fd())); err == nil { qrCode, _ := GenerateQRCode(url, invert)
fmt.Print(qrCode) readyMsg += qrCode
} else {
log.Printf("QR code error: %v", err)
}
if !tls { if !tls {
fmt.Println("▌ WARNING: TLS is not enabled ▐") readyMsg += ("" +
fmt.Println("▌Don't use in an untrusted network!▐") "▌ WARNING: TLS is not enabled ▐\n" +
"▌Don't use in an untrusted network!▐\n")
} }
log.Print(readyMsg)
if tls { if tls {
err = http.ServeTLS(listener, mux, certFile, keyFile) err = http.ServeTLS(listener, mux, certFile, keyFile)
} else { } else {

48
plugin.go Normal file
View file

@ -0,0 +1,48 @@
/*
* Copyright (c) 2018 Unrud<unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
package main
type PluginInfo struct {
Name string
Init func() (Plugin, error)
}
var Plugins []PluginInfo = []PluginInfo{
{"X11", InitX11Plugin},
{"RemoteDesktop portal", InitPortalPlugin},
{"Windows", InitWindowsPlugin},
}
type UnsupportedPlatformError struct {
err error
}
func (e UnsupportedPlatformError) Error() string {
return e.err.Error()
}
type Plugin interface {
Close() error
KeyboardText(text string) error
PointerButton(button uint, press bool) error
PointerMove(deltaX, deltaY int) error
PointerScroll(deltaHorizontal, deltaVertical int) error
PointerScrollFinish() error
}

271
plugin_portal.go Normal file
View file

@ -0,0 +1,271 @@
// +build portal
/*
* Copyright (c) 2018 Unrud<unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
dbus "anonscm.debian.org/git/pkg-go/packages/golang-dbus.git"
"errors"
"fmt"
"sync"
)
const (
deviceKeyboard uint32 = 1
devicePointer uint32 = 2
btnReleased uint32 = 0
btnPressed uint32 = 1
btnLeft int32 = 0x110
btnRight int32 = 0x111
btnMiddle int32 = 0x112
)
type portalPlugin struct {
bus *dbus.Conn
remoteDesktop dbus.BusObject
sessionHandle dbus.ObjectPath
lock sync.RWMutex
}
func InitPortalPlugin() (Plugin, error) {
bus, err := dbus.SessionBusPrivate()
if err != nil {
return nil, UnsupportedPlatformError{err}
}
cleanupBus := true
defer func() {
if cleanupBus {
bus.Close()
}
}()
err = bus.Auth(nil)
if err != nil {
return nil, UnsupportedPlatformError{err}
}
err = bus.Hello()
if err != nil {
return nil, UnsupportedPlatformError{err}
}
remoteDesktop := bus.Object("org.freedesktop.portal.Desktop",
"/org/freedesktop/portal/desktop")
availableDeviceTypesV, err := remoteDesktop.GetProperty(
"org.freedesktop.portal.RemoteDesktop.AvailableDeviceTypes")
if err != nil {
return nil, UnsupportedPlatformError{err}
}
availableDeviceTypes, ok := availableDeviceTypesV.Value().(uint32)
if !ok {
return nil, UnsupportedPlatformError{errors.New(
"unexpected 'AvailableDeviceTypes' return type")}
}
if availableDeviceTypes&deviceKeyboard == 0 ||
availableDeviceTypes&devicePointer == 0 {
return nil, UnsupportedPlatformError{errors.New(
"keyboard or pointer source type not supported")}
}
inVardict := make(map[string]dbus.Variant)
inVardict["session_handle_token"] = dbus.MakeVariant("t")
result, outVardict, err := getResponse(bus, remoteDesktop,
"org.freedesktop.portal.RemoteDesktop.CreateSession", 0, inVardict)
if err != nil {
return nil, UnsupportedPlatformError{err}
}
if result != 0 {
return nil, UnsupportedPlatformError{errors.New(fmt.Sprintf(
"Calling 'CreateSession' failed (%v)", result))}
}
sessionHandleV, ok := outVardict["session_handle"]
if !ok {
return nil, UnsupportedPlatformError{errors.New(
"'session_handle' missing from 'CreateSession' return value")}
}
sessionHandleS, ok := sessionHandleV.Value().(string)
if !ok {
return nil, UnsupportedPlatformError{errors.New(
"unexpected 'session_handle' type in 'CreateSession' return value")}
}
sessionHandle := dbus.ObjectPath(sessionHandleS)
inVardict = make(map[string]dbus.Variant)
inVardict["type"] = dbus.MakeVariant(deviceKeyboard | devicePointer)
result, outVardict, err = getResponse(bus, remoteDesktop,
"org.freedesktop.portal.RemoteDesktop.SelectDevices", 0, sessionHandle, inVardict)
if err != nil {
return nil, UnsupportedPlatformError{err}
}
if result != 0 {
return nil, UnsupportedPlatformError{errors.New(fmt.Sprintf(
"Calling 'SelectDevices' failed (%v)", result))}
}
inVardict = make(map[string]dbus.Variant)
result, outVardict, err = getResponse(bus, remoteDesktop,
"org.freedesktop.portal.RemoteDesktop.Start", 0, sessionHandle, "", inVardict)
if err != nil {
return nil, UnsupportedPlatformError{err}
}
if result != 0 {
return nil, errors.New("keyboard or pointer access denied")
}
devicesV, ok := outVardict["devices"]
if !ok {
return nil, UnsupportedPlatformError{errors.New(
"'devices' missing from 'Start' return value")}
}
devices, ok := devicesV.Value().(uint32)
if !ok {
return nil, UnsupportedPlatformError{errors.New(
"unexpected 'devices' type in 'Start' return value")}
}
if devices&deviceKeyboard == 0 || devices&devicePointer == 0 {
return nil, errors.New("keyboard or pointer access denied")
}
cleanupBus = false
return &portalPlugin{bus: bus, remoteDesktop: remoteDesktop,
sessionHandle: sessionHandle}, nil
}
func getResponse(bus *dbus.Conn, object dbus.BusObject, method string,
flags dbus.Flags, args ...interface{}) (uint32, map[string]dbus.Variant, error) {
ch := make(chan *dbus.Signal)
bus.Signal(ch)
defer bus.RemoveSignal(ch)
var requestPath dbus.ObjectPath
if err := object.Call(method, flags, args...).Store(&requestPath); err != nil {
return 0, nil, err
}
for {
s := <-ch
if s.Path == requestPath && s.Name == "org.freedesktop.portal.Request.Response" {
if len(s.Body) != 2 {
return 0, nil, errors.New("unexpected 'Response' return length")
}
result, ok := s.Body[0].(uint32)
if !ok {
return 0, nil, errors.New("unexpected 'Response' return type")
}
outVardict, ok := s.Body[1].(map[string]dbus.Variant)
if !ok {
return 0, nil, errors.New("unexpected 'Response' return type")
}
return result, outVardict, nil
}
}
}
func (p *portalPlugin) Close() error {
p.lock.Lock()
defer p.lock.Unlock()
if p.bus == nil {
return errors.New("dbus connection closed")
}
if err := p.bus.Close(); err != nil {
return err
}
p.bus = nil
p.remoteDesktop = nil
return nil
}
func (p *portalPlugin) KeyboardText(text string) error {
p.lock.RLock()
defer p.lock.RUnlock()
if p.bus == nil {
return errors.New("dbus connection closed")
}
inVardict := make(map[string]dbus.Variant)
for _, runeValue := range text {
keysym := int32(0x01000000 + runeValue)
for _, state := range [...]uint32{btnPressed, btnReleased} {
if err := p.remoteDesktop.Call(
"org.freedesktop.portal.RemoteDesktop.NotifyKeyboardKeysym",
0, p.sessionHandle, inVardict, keysym, state).Store(); err != nil {
return err
}
}
}
return nil
}
func (p *portalPlugin) PointerButton(button uint, press bool) error {
p.lock.RLock()
defer p.lock.RUnlock()
if p.bus == nil {
return errors.New("dbus connection closed")
}
var btn int32
if button == 1 {
btn = btnLeft
} else if button == 2 {
btn = btnMiddle
} else if button == 3 {
btn = btnRight
} else {
return errors.New("unsupported pointer button")
}
state := btnReleased
if press {
state = btnPressed
}
inVardict := make(map[string]dbus.Variant)
if err := p.remoteDesktop.Call("org.freedesktop.portal.RemoteDesktop.NotifyPointerButton",
0, p.sessionHandle, inVardict, btn, state).Store(); err != nil {
return err
}
return nil
}
func (p *portalPlugin) PointerMove(deltaX, deltaY int) error {
p.lock.RLock()
defer p.lock.RUnlock()
if p.bus == nil {
return errors.New("dbus connection closed")
}
inVardict := make(map[string]dbus.Variant)
if err := p.remoteDesktop.Call("org.freedesktop.portal.RemoteDesktop.NotifyPointerMotion",
0, p.sessionHandle, inVardict, float64(deltaX), float64(deltaY)).Store(); err != nil {
return err
}
return nil
}
func (p *portalPlugin) pointerScrollFull(deltaHorizontal, deltaVertical int, finish bool) error {
p.lock.RLock()
defer p.lock.RUnlock()
if p.bus == nil {
return errors.New("dbus connection closed")
}
inVardict := make(map[string]dbus.Variant)
inVardict["finish"] = dbus.MakeVariant(finish)
if err := p.remoteDesktop.Call("org.freedesktop.portal.RemoteDesktop.NotifyPointerAxis",
0, p.sessionHandle, inVardict, float64(deltaHorizontal), float64(deltaVertical)).Store(); err != nil {
return err
}
return nil
}
func (p *portalPlugin) PointerScroll(deltaHorizontal, deltaVertical int) error {
return p.pointerScrollFull(deltaHorizontal, deltaVertical, false)
}
func (p *portalPlugin) PointerScrollFinish() error {
return p.pointerScrollFull(0, 0, true)
}

View file

@ -1,9 +1,11 @@
// +build !portal
/* /*
* Copyright (c) 2018 Unrud <unrud@outlook.com> * Copyright (c) 2018 Unrud<unrud@outlook.com>
* *
* This file is part of Remote-Touchpad. * This file is part of Remote-Touchpad.
* *
* Remote-Touchpad is free software: you can redistribute it and/or modify * Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.
@ -13,15 +15,14 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>. * along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/ */
package terminal package main
const ( import "errors"
ForegroundBlack string = "\033[30m"
ForegroundReset string = "\033[39m" func InitPortalPlugin() (Plugin, error) {
BackgroundWhite string = "\033[47m" return nil, UnsupportedPlatformError{errors.New("disabled")}
BackgroundReset string = "\033[49m" }
)

178
plugin_windows.go Normal file
View file

@ -0,0 +1,178 @@
// +build windows
/*
* Copyright (c) 2018 Unrud<unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"errors"
"syscall"
"unsafe"
)
const (
inputMouse uintptr = 0x0
inputKeyboard uintptr = 0x1
keyeventfKeyup uint32 = 0x2
keyeventfUnicode uint32 = 0x4
mouseeventfMove uint32 = 0x1
mouseeventfLeftdown uint32 = 0x2
mouseeventfLeftup uint32 = 0x4
mouseeventfRightdown uint32 = 0x8
mouseeventfRightup uint32 = 0x10
mouseeventfMiddledown uint32 = 0x20
mouseeventfMiddleup uint32 = 0x40
mouseeventfWheel uint32 = 0x800
mouseeventfHwheel uint32 = 0x1000
scrollMult int = 6
)
type mouseInput struct {
typ uintptr // HACK: padded uint32
dx, dy int32
mouseData, dwFlags, time uint32
dwExtraInfo uintptr
}
type keybdInput struct {
typ uintptr // HACK: padded uint32
wVk, wScan uint16
dwFlags, time uint32
dwExtraInfo uintptr
padding [8]byte
}
type windowsPlugin struct {
userDLL *syscall.LazyDLL
sendInputProc *syscall.LazyProc
}
func InitWindowsPlugin() (Plugin, error) {
p := &windowsPlugin{}
p.userDLL = syscall.NewLazyDLL("user32.dll")
p.sendInputProc = p.userDLL.NewProc("SendInput")
if err := p.sendInputProc.Find(); err != nil {
return nil, UnsupportedPlatformError{err}
}
return p, nil
}
func (p *windowsPlugin) Close() error {
return nil
}
func (p *windowsPlugin) KeyboardText(text string) error {
runes := []rune(text)
if len(runes) == 0 {
return nil
}
inputs := make([]keybdInput, len(runes)*2)
for i := range inputs {
inputs[i].typ = inputKeyboard
inputs[i].wScan = uint16(runes[i/2])
inputs[i].dwFlags = keyeventfUnicode
if i%2 == 1 {
inputs[i].dwFlags |= keyeventfKeyup
}
}
if r, _, err := p.sendInputProc.Call(uintptr(len(inputs)),
uintptr(unsafe.Pointer(&inputs[0])),
unsafe.Sizeof(inputs[0])); int(r) != len(inputs) {
return err
}
return nil
}
func (p *windowsPlugin) PointerButton(button uint, press bool) error {
input := mouseInput{
typ: inputMouse,
}
if button == 1 && press {
input.dwFlags = mouseeventfLeftdown
} else if button == 1 {
input.dwFlags = mouseeventfLeftup
} else if button == 2 && press {
input.dwFlags = mouseeventfMiddledown
} else if button == 2 {
input.dwFlags = mouseeventfMiddleup
} else if button == 3 && press {
input.dwFlags = mouseeventfRightdown
} else if button == 3 {
input.dwFlags = mouseeventfRightup
} else {
return errors.New("unsupported pointer button")
}
if r, _, err := p.sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
unsafe.Sizeof(input)); int(r) != 1 {
return err
}
return nil
}
func (p *windowsPlugin) PointerMove(deltaX, deltaY int) error {
input := mouseInput{
typ: inputMouse,
dx: int32(deltaX),
dy: int32(deltaY),
dwFlags: mouseeventfMove,
}
if r, _, err := p.sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
unsafe.Sizeof(input)); int(r) != 1 {
return err
}
return nil
}
func (p *windowsPlugin) PointerScroll(deltaHorizontal, deltaVertical int) error {
inputs := make([]mouseInput, 0, 2)
if deltaHorizontal != 0 {
inputs = append(inputs, mouseInput{
typ: inputMouse,
dwFlags: mouseeventfHwheel,
mouseData: uint32(deltaHorizontal * scrollMult),
})
}
if deltaVertical != 0 {
inputs = append(inputs, mouseInput{
typ: inputMouse,
dwFlags: mouseeventfWheel,
mouseData: uint32(deltaVertical * scrollMult),
})
}
if len(inputs) == 0 {
return nil
}
if r, _, err := p.sendInputProc.Call(uintptr(len(inputs)),
uintptr(unsafe.Pointer(&inputs[0])),
unsafe.Sizeof(inputs[0])); int(r) != len(inputs) {
return err
}
return nil
}
func (p *windowsPlugin) PointerScrollFinish() error {
return nil
}

28
plugin_windows_dummy.go Normal file
View file

@ -0,0 +1,28 @@
// +build !windows
/*
* Copyright (c) 2018 Unrud<unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import "errors"
func InitWindowsPlugin() (Plugin, error) {
return nil, UnsupportedPlatformError{errors.New("disabled")}
}

206
plugin_x11.go Normal file
View file

@ -0,0 +1,206 @@
// +build x11
/*
* Copyright (c) 2018 Unrud<unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
package main
// #cgo LDFLAGS: -lX11 -lXtst
// #include <X11/Xlib.h>
// #include <X11/Intrinsic.h>
// #include <X11/extensions/XTest.h>
import "C"
import (
"errors"
"fmt"
"os"
"sync"
"time"
"unsafe"
)
const (
typingDelay time.Duration = 100 * time.Millisecond
scrollDiv int = 20
)
type x11Plugin struct {
display *C.Display
lock sync.Mutex
scrollHorizontal, scrollVertical int
}
func InitX11Plugin() (Plugin, error) {
sessionType := os.Getenv("XDG_SESSION_TYPE")
if sessionType != "" && sessionType != "x11" {
return nil, UnsupportedPlatformError{errors.New(fmt.Sprintf(
"unsupported session type '%v'", sessionType))}
}
display := C.XOpenDisplay(nil)
if display == nil {
return nil, UnsupportedPlatformError{
errors.New("failed to connect to X server")}
}
return &x11Plugin{display: display}, nil
}
func (p *x11Plugin) Close() error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
C.XCloseDisplay(p.display)
p.display = nil
return nil
}
func (p *x11Plugin) KeyboardText(text string) error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
if text == "" {
return nil
}
var minKeycodes, maxKeycodes C.int
C.XDisplayKeycodes(p.display, &minKeycodes, &maxKeycodes)
var keysymsPerKeycode C.int
keysyms := C.XGetKeyboardMapping(p.display, C.KeyCode(minKeycodes),
maxKeycodes-minKeycodes+1, &keysymsPerKeycode)
if keysyms == nil {
return errors.New("failed to get keyboard mapping")
}
defer C.XFree(unsafe.Pointer(keysyms))
emptyKeycode := C.KeyCode(0)
keycodes:
for keycode := C.KeyCode(minKeycodes); keycode <= C.KeyCode(maxKeycodes); keycode++ {
for i := 0; i < int(keysymsPerKeycode); i++ {
keysymsIndex := int(keycode-
C.KeyCode(minKeycodes))*int(keysymsPerKeycode) + i
keysym := *(*C.KeySym)(unsafe.Pointer(uintptr(unsafe.Pointer(keysyms)) +
uintptr(keysymsIndex)*unsafe.Sizeof(*keysyms)))
if keysym != 0 {
continue keycodes
}
}
emptyKeycode = keycode
break
}
if emptyKeycode == 0 {
return errors.New("no empty keycode found")
}
keycodeMapping := make([]C.KeySym, keysymsPerKeycode)
defer func() {
for i := range keycodeMapping {
keycodeMapping[i] = 0
}
C.XChangeKeyboardMapping(p.display, C.int(emptyKeycode), keysymsPerKeycode,
(*C.KeySym)(unsafe.Pointer(&keycodeMapping[0])), 1)
C.XFlush(p.display)
}()
for _, runeValue := range text {
keysym := C.KeySym(0x01000000 + runeValue)
for i := range keycodeMapping {
keycodeMapping[i] = keysym
}
C.XChangeKeyboardMapping(p.display, C.int(emptyKeycode), keysymsPerKeycode,
(*C.KeySym)(unsafe.Pointer(&keycodeMapping[0])), 1)
C.XTestFakeKeyEvent(p.display, C.uint(emptyKeycode), C.True, 0)
C.XTestFakeKeyEvent(p.display, C.uint(emptyKeycode), C.False, 0)
// race condition!
C.XFlush(p.display)
time.Sleep(typingDelay)
}
return nil
}
func (p *x11Plugin) PointerButton(button uint, press bool) error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
if button == 0 || button > 9 {
return errors.New("unsupported pointer button")
}
var pressC C.int = C.False
if press {
pressC = C.True
}
C.XTestFakeButtonEvent(p.display, C.uint(button), pressC, 0)
C.XFlush(p.display)
return nil
}
func (p *x11Plugin) PointerMove(deltaX, deltaY int) error {
p.lock.Lock()
defer p.lock.Unlock()
if p.display == nil {
return errors.New("X server connection closed")
}
C.XTestFakeRelativeMotionEvent(p.display, C.int(deltaX), C.int(deltaY), 0)
C.XFlush(p.display)
return nil
}
func (p *x11Plugin) PointerScroll(deltaHorizontal, deltaVertical int) error {
p.lock.Lock()
stepsHorizontal := (p.scrollHorizontal + deltaHorizontal) / scrollDiv
stepsVertical := (p.scrollVertical + deltaVertical) / scrollDiv
p.scrollHorizontal = (p.scrollHorizontal + deltaHorizontal) % scrollDiv
p.scrollVertical = (p.scrollVertical + deltaVertical) % scrollDiv
p.lock.Unlock()
var buttonHorizontal uint = 7
if stepsHorizontal < 0 {
buttonHorizontal = 6
stepsHorizontal = -stepsHorizontal
}
for i := 0; i < stepsHorizontal; i++ {
if err := p.PointerButton(buttonHorizontal, true); err != nil {
return err
}
if err := p.PointerButton(buttonHorizontal, false); err != nil {
return err
}
}
var buttonVertical uint = 5
if stepsVertical < 0 {
buttonVertical = 4
stepsVertical = -stepsVertical
}
for i := 0; i < stepsVertical; i++ {
if err := p.PointerButton(buttonVertical, true); err != nil {
return err
}
if err := p.PointerButton(buttonVertical, false); err != nil {
return err
}
}
return nil
}
func (p *x11Plugin) PointerScrollFinish() error {
p.lock.Lock()
defer p.lock.Unlock()
p.scrollHorizontal = 0
p.scrollVertical = 0
return nil
}

28
plugin_x11_dummy.go Normal file
View file

@ -0,0 +1,28 @@
// +build !x11
/*
* Copyright (c) 2018 Unrud<unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import "errors"
func InitX11Plugin() (Plugin, error) {
return nil, UnsupportedPlatformError{errors.New("disabled")}
}

View file

@ -1,9 +1,9 @@
/* /*
* Copyright (c) 2018 Unrud <unrud@outlook.com> * Copyright (c) 2018 Unrud<unrud@outlook.com>
* *
* This file is part of Remote-Touchpad. * This file is part of Remote-Touchpad.
* *
* Remote-Touchpad is free software: you can redistribute it and/or modify * Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or * the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version. * (at your option) any later version.
@ -13,50 +13,44 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * GNU General Public License for more details.
* *
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>. * along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/ */
package terminal package main
import qrcode "github.com/skip2/go-qrcode" import qrcode "github.com/skip2/go-qrcode"
func GenerateQRCode(message string, colorize bool) (string, error) { func GenerateQRCode(message string, invert bool) (string, error) {
q, err := qrcode.New(message, qrcode.Medium) q, err := qrcode.New(message, qrcode.Medium)
if err != nil { if err != nil {
return "", err return "", err
} }
return qrCodeToString(q.Bitmap(), colorize), nil return qrCodeToString(q.Bitmap(), invert), nil
} }
func qrCodeToString(bits [][]bool, colorize bool) string { func qrCodeToString(bits [][]bool, invert bool) string {
s := "" s := ""
for y := -1; y < len(bits); y += 2 { for y := -1; y < len(bits); y += 2 {
if colorize {
s += ForegroundBlack + BackgroundWhite
}
for x := range bits[0] { for x := range bits[0] {
upper := false upper := !invert
if 0 <= y && y < len(bits) { if 0 <= y && y < len(bits) {
upper = bits[y][x] upper = bits[y][x]
} }
lower := false lower := !invert
if 0 <= y+1 && y+1 < len(bits) { if 0 <= y+1 && y+1 < len(bits) {
lower = bits[y+1][x] lower = bits[y+1][x]
} }
if upper && lower { if upper != invert && lower != invert {
s += "" s += " "
} else if upper && !lower { } else if upper == invert && lower != invert {
s += "▀" s += "▀"
} else if !upper && lower { } else if upper != invert && lower == invert {
s += "▄" s += "▄"
} else { } else {
s += " " s += ""
} }
} }
if colorize {
s += ForegroundReset + BackgroundReset
}
s += "\n" s += "\n"
} }
return s return s

View file

@ -1,12 +0,0 @@
[Unit]
Description=Remote Touchpad Service
After=network.target
[Service]
Type=simple
ExecStart=%h/.local/bin/remote-touchpad
Restart=always
RestartSec=5s
[Install]
WantedBy=default.target

149
rts
View file

@ -1,149 +0,0 @@
#!/bin/bash
# Remote Touchpad CLI Wrapper
# Provides easy access to remote-touchpad service
SERVICE_NAME="remote-touchpad"
SERVICE_USER="$USER"
install() {
echo "Installing remote-touchpad as a user systemd service..."
# Check if Go is installed
if ! command -v go &> /dev/null; then
echo "Error: Go is not installed. Please install Go first."
return 1
fi
echo "Building remote-touchpad binary..."
go build -tags portal,uinput,x11 -o remote-touchpad
if [ ! -f "remote-touchpad" ]; then
echo "Error: Failed to build remote-touchpad binary"
return 1
fi
# Setup directories
mkdir -p ~/.local/bin ~/.config/systemd/user
echo "Installing service files..."
cp remote-touchpad ~/.local/bin/ || echo "Error: cp to ~/.local/bin failed"
cp remote-touchpad.service ~/.config/systemd/user/ || echo "Error: cp to ~/.config/systemd/user failed"
echo "Enabling and starting service..."
systemctl --user daemon-reload
systemctl --user enable --now ${SERVICE_NAME}.service
echo "✓ remote-touchpad user service installed and started"
echo ""
echo "Use './rts status' to check the service"
echo "Use './rts url' to get the connection URL"
}
start() {
systemctl --user start ${SERVICE_NAME}.service
echo "Started remote-touchpad service"
}
stop() {
systemctl --user stop ${SERVICE_NAME}.service
echo "Stopped remote-touchpad service"
}
status() {
systemctl --user status ${SERVICE_NAME}.service --no-pager
}
restart() {
systemctl --user restart ${SERVICE_NAME}.service
echo "Restarted remote-touchpad service"
}
url() {
# Extract URL from service logs
echo "Fetching remote-touchpad URL..."
local url=$(journalctl --user -u ${SERVICE_NAME}.service -n 100 --no-pager 2>/dev/null | grep -oE "http://[^ ]+|https://[^ ]+" | tail -1)
if [ -n "$url" ]; then
echo "Remote Touchpad URL: $url"
# Generate QR code if qrencode is available
if command -v qrencode &> /dev/null; then
echo "Generating QR code..."
echo "$url" | qrencode -t ansiutf8
else
echo "QR code generation requires qrencode. Install it with:"
echo " sudo apt-get install qrencode # Debian/Ubuntu"
echo " sudo dnf install qrencode # Fedora"
echo " brew install qrencode # macOS"
fi
else
echo "Could not find URL in service logs. Is the service running?"
fi
}
log() {
echo "Viewing remote-touchpad service logs..."
journalctl --user -u ${SERVICE_NAME}.service --no-pager
}
uninstall() {
echo "Uninstalling remote-touchpad..."
systemctl --user stop ${SERVICE_NAME}.service
systemctl --user disable ${SERVICE_NAME}.service
rm -f ~/.config/systemd/user/${SERVICE_NAME}.service
rm -f ~/.local/bin/remote-touchpad
systemctl --user daemon-reload
echo "✓ remote-touchpad uninstalled"
}
help() {
echo "Remote Touchpad CLI Wrapper"
echo ""
echo "Usage: rts [command]"
echo ""
echo "Commands:"
echo " install - Install remote-touchpad as a systemd user service"
echo " start - Start the remote-touchpad service"
echo " stop - Stop the remote-touchpad service"
echo " status - Check service status"
echo " restart - Restart the service"
echo " url - Show the remote-touchpad URL"
echo " log - View service logs"
echo " uninstall - Uninstall the service"
echo " help - Show this help message"
}
# Main command handler
case "$1" in
install)
install
;;
start)
start
;;
stop)
stop
;;
status)
status
;;
restart)
restart
;;
url)
url
;;
log)
log
;;
uninstall)
uninstall
;;
help|--help|-h|"")
help
;;
*)
echo "Unknown command: $1"
help
exit 1
;;
esac

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# Build by running `snapcraft`.
# WARNING:
# Snapcraft uses caching for already build steps but it's buggy and can cause strange problems.
# Clean the cache by running `snapcraft clean`.
name: remote-touchpad
license: GPL-3.0+
grade: stable
adopt-info: remote-touchpad
base: core24
confinement: strict
platforms:
amd64:
arm64:
apps:
remote-touchpad:
command: bin/remote-touchpad
plugs:
- network-bind
- desktop
- x11
remote-touchpad-wait-on-error:
command: bin/remote-touchpad-wait-on-error
plugs:
- network-bind
- desktop
- x11
common-id: com.github.unrud.RemoteTouchpad
desktop: usr/share/applications/com.github.unrud.RemoteTouchpad.desktop
parts:
remote-touchpad:
plugin: go
go-buildtags:
- portal
- x11
source: .
source-type: git
build-snaps:
- go
build-packages:
- gcc
- libc6-dev
- libxt-dev
- libxrandr-dev
- libxtst-dev
stage-packages:
- libxt6
- libxrandr2
- libxtst6
override-build: |
craftctl default
install -Dm0755 -t "${CRAFT_PART_INSTALL}/bin" desktop/remote-touchpad-wait-on-error
install -Dm0644 -t "${CRAFT_PART_INSTALL}/usr/share/metainfo" desktop/com.github.unrud.RemoteTouchpad.metainfo.xml
install -Dm0644 -t "${CRAFT_PART_INSTALL}/usr/share/applications" desktop/com.github.unrud.RemoteTouchpad.desktop
install -Dm0644 -t "${CRAFT_PART_INSTALL}/usr/share/icons/hicolor/scalable/apps" desktop/com.github.unrud.RemoteTouchpad.svg
parse-info: [usr/share/metainfo/com.github.unrud.RemoteTouchpad.metainfo.xml]

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@ -1,39 +0,0 @@
//go:build !windows
/*
* Copyright (c) 2018-2019 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package terminal
// #include <unistd.h>
import "C"
import "os"
func SupportsColor(fd uintptr) bool {
return C.isatty(C.int(fd)) != 0
}
func SetTitle(title string) bool {
if C.isatty(C.int(os.Stdout.Fd())) != 0 {
os.Stdout.Write([]byte("\x1b]2;" + title + "\x07"))
os.Stdout.Sync()
return true
}
return false
}

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/*
* Copyright (c) 2018-2019 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package terminal
import (
"syscall"
"unsafe"
)
const (
enableProcessedOuput uint32 = 0x1
enableWrapAtEolOutput uint32 = 0x2
enableVirtualTerminalProcessing uint32 = 0x4
)
var (
kernel32DLL = syscall.NewLazyDLL("kernel32.dll")
setConsoleModeProc = kernel32DLL.NewProc("SetConsoleMode")
setConsoleTitleProc = kernel32DLL.NewProc("SetConsoleTitleW")
)
func SupportsColor(fd uintptr) bool {
r, _, _ := setConsoleModeProc.Call(fd, uintptr(enableProcessedOuput|
enableWrapAtEolOutput|enableVirtualTerminalProcessing))
return r != 0
}
func SetTitle(title string) bool {
r, _, _ := setConsoleTitleProc.Call(
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(title))))
return r != 0
}

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/*
* Copyright (c) 2024 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"embed"
"io/fs"
"log"
"mime"
)
//go:embed webdata/*
var webdataFSWithPrefix embed.FS
var webdataFS fs.FS
var webdataTypes = map[string]string{
".css": "text/css; charset=utf-8",
".html": "text/html; charset=utf-8",
".mjs": "text/javascript; charset=utf-8",
".png": "image/png",
".woff": "font/woff",
}
func init() {
var err error
webdataFS, err = fs.Sub(webdataFSWithPrefix, "webdata")
if err != nil {
log.Fatal(err)
}
for ext, typ := range webdataTypes {
if err := mime.AddExtensionType(ext, typ); err != nil {
log.Fatal(err)
}
}
}

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@ -1,82 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
export const fullscreenEnabled = () => {
return (document.fullscreenEnabled ||
document.webkitFullscreenEnabled ||
false);
};
export const requestFullscreen = (element, options) => {
if (element.requestFullscreen) {
element.requestFullscreen(options);
} else if (element.webkitRequestFullscreen) {
element.webkitRequestFullscreen(options);
}
};
export const exitFullscreen = () => {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
}
};
export const fullscreenElement = () => {
return (document.fullscreenElement ||
document.webkitFullscreenElement ||
null);
};
export const addFullscreenchangeEventListener = (listener) => {
if ("onfullscreenchange" in document) {
document.addEventListener("fullscreenchange", listener);
} else if ("onwebkitfullscreenchange" in document) {
document.addEventListener("webkitfullscreenchange", listener);
}
};
export const requestPointerLock = (element) => {
if (element.requestPointerLock) {
element.requestPointerLock();
}
};
export const exitPointerLock = () => {
if (document.exitPointerLock) {
document.exitPointerLock();
}
};
export const pointerLockElement = () => {
return document.pointerLockElement || null;
};
export const addPointerlockchangeEventListener = (listener) => {
if ("onpointerlockchange" in document) {
document.addEventListener("pointerlockchange", listener);
}
};
export const vibrate = (pattern) => {
if (navigator.vibrate) {
navigator.vibrate(pattern);
}
};

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@ -1,121 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
export const POINTER_BUTTON_LEFT = 0;
export const POINTER_BUTTON_RIGHT = 1;
export const POINTER_BUTTON_MIDDLE = 2;
export const KEY_VOLUME_MUTE = 0;
export const KEY_VOLUME_DOWN = 1;
export const KEY_VOLUME_UP = 2;
export const KEY_MEDIA_PLAY_PAUSE = 3;
export const KEY_MEDIA_PREV_TRACK = 4;
export const KEY_MEDIA_NEXT_TRACK = 5;
export const KEY_BROWSER_BACK = 6;
export const KEY_BROWSER_FORWARD = 7;
export const KEY_SUPER = 8;
export const KEY_LEFT = 9;
export const KEY_RIGHT = 10;
export const KEY_UP = 11;
export const KEY_DOWN = 12;
export const KEY_HOME = 13;
export const KEY_END = 14;
export const KEY_BACK_SPACE = 15;
export const KEY_DELETE = 16;
export const KEY_RETURN = 17;
export default class InputController {
#updateRate = 0;
#moveXSum = 0;
#moveYSum = 0;
#scrollHSum = 0;
#scrollVSum = 0;
#scrolling = false;
#scrollFinish = false;
#updateTimeoutActive = false;
#socket;
constructor(socket) {
this.#socket = socket;
}
configure(config) {
this.#updateRate = config.updateRate;
}
#startUpdate(fromTimeout) {
if (this.#updateTimeoutActive && !fromTimeout) {
return;
}
this.#updateTimeoutActive = false;
let finished = true;
const xInt = Math.trunc(this.#moveXSum);
const yInt = Math.trunc(this.#moveYSum);
if (xInt != 0 || yInt != 0) {
this.#socket.send("m" + xInt + ";" + yInt);
this.#moveXSum -= xInt;
this.#moveYSum -= yInt;
finished = false;
}
const hInt = Math.trunc(this.#scrollHSum);
const vInt = Math.trunc(this.#scrollVSum);
if (hInt != 0 || vInt != 0) {
this.#socket.send((this.#scrollFinish ? "S" : "s") + hInt + ";" + vInt);
this.#scrollHSum -= hInt;
this.#scrollVSum -= vInt;
this.#scrolling = !this.#scrollFinish;
this.#scrollFinish = false;
finished = false;
} else if (this.#scrollFinish && this.#scrolling) {
this.#socket.send("S");
this.#scrolling = false;
this.#scrollFinish = false;
}
this.#updateTimeoutActive = !finished && this.#updateRate > 0;
if (this.#updateTimeoutActive) {
setTimeout(this.#startUpdate.bind(this), 1000 / this.#updateRate, true);
}
}
pointerMove(deltaX, deltaY) {
this.#moveXSum += deltaX;
this.#moveYSum += deltaY;
this.#startUpdate();
}
pointerScroll(deltaHorizontal, deltaVertical, finish) {
this.#scrollHSum += deltaHorizontal;
this.#scrollVSum += deltaVertical;
this.#scrollFinish |= finish;
this.#startUpdate();
};
pointerButton(button, press) {
this.#socket.send("b" + button + ";" + (press ? 1 : 0));
}
keyboardKey(key) {
this.#socket.send("k" + key);
}
keyboardText(text) {
this.#socket.send("t" + text);
}
}

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@ -1,74 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import {
KEY_SUPER, KEY_BACK_SPACE, KEY_RETURN, KEY_DELETE, KEY_HOME, KEY_END,
KEY_LEFT, KEY_RIGHT, KEY_UP, KEY_DOWN,
} from "./inputcontroller.mjs";
export default class Keyboard {
#inputController;
#checkAllowedCallback;
constructor(inputController, checkAllowedCallback) {
this.#inputController = inputController;
this.#checkAllowedCallback = checkAllowedCallback;
document.addEventListener("keydown", this.#handleKeydown.bind(this));
}
configure() {}
#handleKeydown(event) {
if (!this.#checkAllowedCallback() ||
event.ctrlKey || event.altKey || event.isComposing) {
return;
}
let key = null;
if (event.key == "OS" || event.key == "Super" || event.key == "Meta") {
key = KEY_SUPER;
} else if (event.key == "Backspace") {
key = KEY_BACK_SPACE;
} else if (event.key == "Enter") {
key = KEY_RETURN;
} else if (event.key == "Delete") {
key = KEY_DELETE;
} else if (event.key == "Home") {
key = KEY_HOME;
} else if (event.key == "End") {
key = KEY_END;
} else if (event.key == "Left" || event.key == "ArrowLeft") {
key = KEY_LEFT;
} else if (event.key == "Right" || event.key == "ArrowRight") {
key = KEY_RIGHT;
} else if (event.key == "Up" || event.key == "ArrowUp") {
key = KEY_UP;
} else if (event.key == "Down" || event.key == "ArrowDown") {
key = KEY_DOWN;
}
if (key != null) {
if (!event.shiftKey) {
event.preventDefault();
this.#inputController.keyboardKey(key);
}
} else if (event.key.length == 1) {
event.preventDefault();
this.#inputController.keyboardText(event.key);
}
}
}

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@ -1,53 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import InputController, * as inputcontrollerModule from "./inputcontroller.mjs";
import Socket from "./socket.mjs";
import UI from "./ui.mjs";
const url = new URL("ws", location.href);
url.protocol = url.protocol == "http:" ? "ws:" : "wss:";
const socket = new Socket(url, window.location.hash.substr(1));
const inputController = new InputController(socket);
const ui = new UI(inputController);
socket.addEventListener("config", (event) => {
const config = event.detail;
inputController.configure(config);
ui.configure(config);
});
socket.addEventListener("close", () => {
ui.close();
});
window.app = {
key: inputController.keyboardKey.bind(inputController),
text: inputController.keyboardText.bind(inputController),
toggleFullscreen: ui.toggleFullscreen.bind(ui),
showTextInput: ui.showTextInput.bind(ui),
showKeys: ui.showKeys.bind(ui),
setKeysPage: ui.setKeysPage.bind(ui),
};
for (const name in inputcontrollerModule) {
if (name.startsWith("KEY_")) {
window.app[name] = inputcontrollerModule[name];
}
}

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@ -1,74 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
export default class Mouse {
#moveSpeed = 1;
#scrollSpeed = 1;
#buttons = 0;
#inputController;
constructor (inputController, element) {
this.#inputController = inputController;
for (const type of ["touchstart", "touchend", "touchcancel", "touchmove"]) {
element.addEventListener(type, (event) => {
event.preventDefault();
});
}
element.addEventListener("mousedown", this.#handleMouseDownAndUp.bind(this));
element.addEventListener("mouseup", this.#handleMouseDownAndUp.bind(this));
element.addEventListener("mousemove", this.#handleMousemove.bind(this));
element.addEventListener("wheel", this.#handleWheel.bind(this));
}
configure(config) {
this.#moveSpeed = config.mouseMoveSpeed;
this.#scrollSpeed = config.mouseScrollSpeed;
}
#updateButtons(newButtons) {
for (let button = 0; button < 3; button += 1) {
const flag = 1 << button;
if ((newButtons&flag) != (this.#buttons & flag)) {
this.#inputController.pointerButton(button, newButtons & flag);
}
}
this.#buttons = newButtons;
}
#handleMouseDownAndUp(event) {
this.#updateButtons(event.buttons);
}
#handleMousemove(event) {
this.#inputController.pointerMove(
event.movementX * this.#moveSpeed, event.movementY * this.#moveSpeed);
}
#handleWheel(event) {
if (event.deltaMode == WheelEvent.DOM_DELTA_PIXEL) {
this.#inputController.pointerScroll(
event.deltaX * this.#scrollSpeed, event.deltaY * this.#scrollSpeed, true);
} else if (event.deltaMode == WheelEvent.DOM_DELTA_LINE) {
this.#inputController.pointerScroll(
event.deltaX * 20 * this.#scrollSpeed, event.deltaY * 20 * this.#scrollSpeed,
true);
}
}
}

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@ -1,66 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import jsSHA from "./sha256.mjs"
const challengeResponse = (message, secret) => {
const shaObj = new jsSHA("SHA-256", "TEXT");
shaObj.setHMACKey(message, "TEXT");
shaObj.update(secret);
return btoa(shaObj.getHMAC("BYTES"));
};
export default class Socket extends EventTarget {
#secret;
#authenticated;
#ws;
constructor(url, secret) {
super();
this.#secret = secret;
this.#authenticated = false;
this.#ws = new WebSocket(url);
this.#ws.addEventListener("message", this.#handle_ws_message.bind(this));
this.#ws.addEventListener("close", this.#handle_ws_close.bind(this));
}
#handle_ws_message(event) {
if (!this.#authenticated) {
this.#ws.send(challengeResponse(event.data, this.#secret));
this.#authenticated = true;
return;
}
let config;
try {
config = JSON.parse(event.data);
} catch (e) {
this.#ws.close();
throw (e);
}
this.dispatchEvent(new CustomEvent("config", {detail: config}));
}
#handle_ws_close() {
this.dispatchEvent(new CustomEvent("close"));
}
send(message) {
this.#ws.send(message);
}
}

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@ -1,232 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import {POINTER_BUTTON_LEFT, POINTER_BUTTON_MIDDLE, POINTER_BUTTON_RIGHT} from "./inputcontroller.mjs";
// [1 Touch, 2 Touches, 3 Touches] (as pixel)
const TOUCH_MOVE_THRESHOLD = [10, 15, 15];
// Max time between consecutive touches for clicking or dragging (as milliseconds)
const TOUCH_TIMEOUT = 250;
// [[pixel/second, multiplicator], ...]
const POINTER_ACCELERATION = [
[0, 0],
[87, 1],
[173, 1],
[553, 2],
];
const copyTouch = (touch, timeStamp) => ({
identifier: touch.identifier,
pageX: touch.pageX,
pageXStart: touch.pageX,
pageY: touch.pageY,
pageYStart: touch.pageY,
timeStamp: timeStamp,
});
const calculateAccelerationMult = (speed) => {
for (let i = 0; i < POINTER_ACCELERATION.length; i += 1) {
const s2 = POINTER_ACCELERATION[i][0];
const a2 = POINTER_ACCELERATION[i][1];
if (s2 <= speed) {
continue;
}
if (i == 0) {
return a2;
}
const s1 = POINTER_ACCELERATION[i - 1][0];
const a1 = POINTER_ACCELERATION[i - 1][1];
return ((speed - s1) / (s2 - s1)) * (a2 - a1) + a1;
}
if (POINTER_ACCELERATION.length > 0) {
return POINTER_ACCELERATION[POINTER_ACCELERATION.length - 1][1];
}
return 1;
};
export default class Touchpad {
#moveSpeed = 1;
#scrollSpeed = 1;
#moved = false;
#startTimeStamp = 0;
#lastEndTimeStamp = 0;
#releasedCount = 0;
#ongoingTouches = [];
#dragging = false;
#draggingTimeout = null;
#inputController;
#checkAllowedCallback;
constructor(inputController, checkAllowedCallback) {
this.#inputController = inputController;
this.#checkAllowedCallback = checkAllowedCallback;
document.addEventListener("touchstart", this.#handleTouchstart.bind(this));
document.addEventListener("touchend", this.#handleTouchend.bind(this));
document.addEventListener("touchcancel", this.#handleTouchend.bind(this));
document.addEventListener("touchmove", this.#handleTouchmove.bind(this));
}
configure(config) {
this.#moveSpeed = config.moveSpeed;
this.#scrollSpeed = config.scrollSpeed;
}
#ongoingTouchIndexById(idToFind) {
for (let i = 0; i < this.#ongoingTouches.length; i += 1) {
if (this.#ongoingTouches[i].identifier == idToFind) {
return i;
}
}
return -1;
}
#handleDraggingTimeout() {
this.#draggingTimeout = null;
this.#inputController.pointerButton(POINTER_BUTTON_LEFT, false);
}
#handleTouchstart(event) {
// Might get called multiple times for the same touches
if (this.#ongoingTouches.length == 0) {
this.#startTimeStamp = event.timeStamp;
this.#moved = false;
}
const touches = event.changedTouches;
let foundTouch = false;
for (let i = 0; i < touches.length; i += 1) {
if (this.#ongoingTouches.length == 0 &&
!this.#checkAllowedCallback(touches[i].target)) {
continue;
}
foundTouch = true;
const touch = copyTouch(touches[i], event.timeStamp);
const idx = this.#ongoingTouchIndexById(touch.identifier);
if (idx < 0) {
this.#ongoingTouches.push(touch);
} else {
this.#ongoingTouches[idx] = touch;
}
}
if (!foundTouch) {
return;
}
event.preventDefault();
this.#lastEndTimeStamp = 0;
if (this.#draggingTimeout != null) {
clearTimeout(this.#draggingTimeout);
this.#draggingTimeout = null;
this.#dragging = true;
}
this.#inputController.pointerScroll(0, 0, true);
}
#handleTouchend(event) {
const touches = event.changedTouches;
let foundTouch = false;
for (let i = 0; i < touches.length; i += 1) {
const idx = this.#ongoingTouchIndexById(touches[i].identifier);
if (idx < 0) {
continue;
}
foundTouch = true;
this.#ongoingTouches.splice(idx, 1);
this.#releasedCount += 1;
}
if (!foundTouch) {
return;
}
event.preventDefault();
this.#lastEndTimeStamp = event.timeStamp;
this.#inputController.pointerScroll(0, 0, true);
if (this.#releasedCount > TOUCH_MOVE_THRESHOLD.length) {
this.#moved = true;
}
if (this.#ongoingTouches.length == 0 && this.#releasedCount >= 1) {
if (this.#dragging) {
this.#dragging = false;
this.#inputController.pointerButton(POINTER_BUTTON_LEFT, false);
}
if (!this.#moved && event.timeStamp - this.#startTimeStamp < TOUCH_TIMEOUT) {
let button = 0;
if (this.#releasedCount == 1) {
button = POINTER_BUTTON_LEFT;
} else if (this.#releasedCount == 2) {
button = POINTER_BUTTON_RIGHT;
} else if (this.#releasedCount == 3) {
button = POINTER_BUTTON_MIDDLE;
}
this.#inputController.pointerButton(button, true);
if (button == POINTER_BUTTON_LEFT) {
this.#draggingTimeout = setTimeout(
this.#handleDraggingTimeout.bind(this), TOUCH_TIMEOUT);
} else {
this.#inputController.pointerButton(button, false);
}
}
this.#releasedCount = 0;
}
}
#handleTouchmove(event) {
let sumX = 0;
let sumY = 0;
const touches = event.changedTouches;
let foundTouch = false;
for (let i = 0; i < touches.length; i += 1) {
const idx = this.#ongoingTouchIndexById(touches[i].identifier);
if (idx < 0) {
continue;
}
foundTouch = true;
if (!this.#moved) {
const dist = Math.sqrt(
Math.pow(touches[i].pageX - this.#ongoingTouches[idx].pageXStart, 2) +
Math.pow(touches[i].pageY - this.#ongoingTouches[idx].pageYStart, 2)
);
if (this.#ongoingTouches.length > TOUCH_MOVE_THRESHOLD.length ||
dist > TOUCH_MOVE_THRESHOLD[this.#ongoingTouches.length - 1] ||
event.timeStamp - this.#startTimeStamp >= TOUCH_TIMEOUT) {
this.#moved = true;
}
}
const dx = touches[i].pageX - this.#ongoingTouches[idx].pageX;
const dy = touches[i].pageY - this.#ongoingTouches[idx].pageY;
const timeDelta = event.timeStamp - this.#ongoingTouches[idx].timeStamp;
sumX += dx * calculateAccelerationMult(Math.abs(dx) / timeDelta * 1000);
sumY += dy * calculateAccelerationMult(Math.abs(dy) / timeDelta * 1000);
this.#ongoingTouches[idx].pageX = touches[i].pageX;
this.#ongoingTouches[idx].pageY = touches[i].pageY;
this.#ongoingTouches[idx].timeStamp = event.timeStamp;
}
if (!foundTouch) {
return;
}
event.preventDefault();
if (this.#moved && event.timeStamp - this.#lastEndTimeStamp >= TOUCH_TIMEOUT) {
if (this.#ongoingTouches.length == 1 || this.#dragging) {
this.#inputController.pointerMove(
sumX * this.#moveSpeed, sumY * this.#moveSpeed);
} else if (this.#ongoingTouches.length == 2) {
this.#inputController.pointerScroll(
-sumX * this.#scrollSpeed, -sumY * this.#scrollSpeed, false);
}
}
}
}

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@ -1,199 +0,0 @@
/*
* Copyright (c) 2018-2019, 2023 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
import Keyboard from "./keyboard.mjs";
import Mouse from "./mouse.mjs";
import Touchpad from "./touchpad.mjs";
import * as compat from "./compat.mjs";
const IGNORE_CLICK_AFTER_TOUCH_DURATION = 1000; // milliseconds
const CLICK_VIBRATION_PATTERN = [10];
const buttons = document.querySelectorAll("button");
const scenes = document.querySelectorAll("body > .scene");
const openingScene = document.getElementById("opening");
const closedScene = document.getElementById("closed");
const padScene = document.getElementById("pad");
const keysScene = document.getElementById("keys");
const keysPages = keysScene.querySelectorAll(":scope > .page");
const textInputScene = document.getElementById("text-input");
const textInput = textInputScene.querySelector("textarea");
const mouseScene = document.getElementById("mouse");
const sendText = document.getElementById("send-text");
export default class UI {
#activeScene = null;
#keysActiveName = "";
#ready = false;
#closed = false;
#ignoreClickUntilTimeStamp = Number.MIN_VALUE;
#inputController;
#mouse;
#keyboard;
#touchpad;
constructor(inputController) {
this.#inputController = inputController;
this.#mouse = new Mouse(inputController, mouseScene);
this.#keyboard = new Keyboard(inputController,
() => this.#activeScene?.classList.contains("keyboard-input"));
this.#touchpad = new Touchpad(inputController,
(target) => target.classList.contains("touch-input"));
document.addEventListener("mousedown", this.#handleMousedown.bind(this));
document.addEventListener("touchend", this.#handleTouchend.bind(this));
textInput.addEventListener("input", () => { this.#updateTextInput(); });
sendText.addEventListener("click", this.#handleSendText.bind(this));
window.addEventListener("popstate", () => { this.#update(); });
compat.addFullscreenchangeEventListener(() => { this.#update(); });
compat.addPointerlockchangeEventListener(() => { this.#update(); });
for (const button of buttons) {
button.setAttribute("tabindex", "-1");
button.addEventListener("click", this.#handleButtonClick.bind(this));
}
this.#update();
}
configure(config) {
this.#mouse.configure(config);
this.#keyboard.configure(config);
this.#touchpad.configure(config);
if (!this.#closed) {
this.#ready = true;
}
this.#update();
}
close() {
this.#ready = false;
this.#closed = true;
this.#update();
}
#handleTouchend(event) {
// HACK: event.preventDefault doesn't reliably stop click events in Firefox (112)
this.#ignoreClickUntilTimeStamp = event.timeStamp + IGNORE_CLICK_AFTER_TOUCH_DURATION;
}
#handleMousedown(event) {
if (this.#activeScene != mouseScene && event.buttons == 1 &&
this.#ignoreClickUntilTimeStamp <= event.timeStamp &&
event.target.classList.contains("mouse-input")) {
compat.requestPointerLock(mouseScene);
}
}
#updateTextInput(newValue = null) {
if (newValue != null) {
textInput.value = newValue;
}
sessionStorage.setItem("text-input", textInput.value);
sendText.textContent = sendText.getAttribute(`data-${textInput.value ? "send" : "back"}-content`);
textInput.focus();
}
#handleButtonClick(event) {
event.target.classList.add("click");
setTimeout(() => event.target.classList.remove("click"), 0);
compat.vibrate(CLICK_VIBRATION_PATTERN);
}
#handleSendText() {
if (textInput.value) {
// normalize line endings
const text = textInput.value.replace(/\r\n?/g, "\n");
this.#inputController.keyboardText(text);
this.#updateTextInput("");
} else {
history.back();
}
}
#showScene(scene) {
this.#activeScene = scene;
if (compat.fullscreenElement() && !scene.classList.contains("allow-fullscreen")) {
compat.exitFullscreen();
}
if (compat.pointerLockElement() && this.#activeScene != mouseScene) {
compat.exitPointerLock();
}
textInput.value = "";
for (const otherScene of scenes) {
otherScene.classList.toggle("hidden", otherScene != scene);
}
}
setKeysPage(index, relative = false) {
if (relative) {
for (let i = 0; i < keysPages.length && keysPages[i].classList.contains("hidden");
i += 1, index += 1);
}
index = ((index % keysPages.length) + keysPages.length) % keysPages.length;
sessionStorage.setItem(this.#keysActiveName, index);
for (let i = 0; i < keysPages.length; i += 1) {
keysPages[i].classList.toggle("hidden", i != index);
}
}
showKeys(name = "", defaultPageIndex = 0) {
this.#showScene(keysScene);
this.#keysActiveName = "keys" + (name ? ":" + name : "");
let pageIndex = parseInt(sessionStorage.getItem(this.#keysActiveName));
if (isNaN(pageIndex)) {
pageIndex = defaultPageIndex;
}
this.setKeysPage(pageIndex);
if (history.state != this.#keysActiveName) {
history.pushState(this.#keysActiveName, "");
}
}
showTextInput() {
this.#showScene(textInputScene);
this.#updateTextInput(sessionStorage.getItem("text-input") || "");
if (history.state != "text-input") {
history.pushState("text-input", "");
}
}
toggleFullscreen() {
if (compat.fullscreenElement()) {
compat.exitFullscreen();
} else {
compat.requestFullscreen(document.documentElement, {navigationUI: "hide"});
}
}
#update() {
const fullscreenEnabled = compat.fullscreenEnabled();
for (const element of document.querySelectorAll(".visble-if-fullscreen-enabled")) {
element.classList.toggle("hidden", !fullscreenEnabled);
}
if (!this.#ready) {
this.#showScene(this.#closed ? closedScene : openingScene);
} else if (compat.pointerLockElement()) {
this.#showScene(mouseScene);
} else if ((history.state || "").split(":")[0] == "keys") {
this.showKeys(history.state.substr("keys:".length));
} else if (history.state == "text-input") {
this.showTextInput();
} else {
this.#showScene(padScene);
}
}
}

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/*
* Copyright (c) 2018 Unrud<unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Foobar is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
// [1 Touch, 2 Touches, 3 Touches]
const TOUCH_MOVE_THRESHOLD = [10, 15, 15];
const TOUCH_TIMEOUT = 250;
// [[px/s, mult], ...]
const POINTER_ACCELERATION = [[0, 0], [87, 1], [173, 1], [553, 2]];
var ws;
var pad;
var padlabel;
var touchMoved = false;
var touchStart = 0;
var touchLastEnd = 0;
var touchReleasedCount = 0;
var ongoingTouches = [];
var moveXSum = 0;
var moveYSum = 0;
var scrollXSum = 0;
var scrollYSum = 0;
var dragging = false;
var draggingTimeout = null;
var scrolling = false;
function fullscreenEnabled() {
return (document.fullscreenEnabled ||
document.webkitFullscreenEnabled ||
document.mozFullScreenEnabled ||
document.msFullscreenEnabled ||
false);
}
function requestFullscreen(e) {
if (e.requestFullscreen) {
e.requestFullscreen();
} else if (e.webkitRequestFullscreen) {
e.webkitRequestFullscreen();
} else if (e.mozRequestFullScreen) {
e.mozRequestFullScreen();
} else if (e.msRequestFullscreen) {
e.msRequestFullscreen();
}
}
function exitFullscreen() {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.msExitFullscreen) {
document.msExitFullscreen();
}
}
function fullscreenElement() {
return (document.fullscreenElement ||
document.webkitFullscreenElement ||
document.mozFullScreenElement ||
document.msFullscreenElement ||
null);
}
function addFullscreenchangeEventListener(listener) {
if (document.fullscreenElement !== undefined) {
document.addEventListener("fullscreenchange", listener);
} else if (document.webkitFullscreenElement !== undefined) {
document.addEventListener("webkitfullscreenchange", listener);
} else if (document.mozFullScreenElement !== undefined) {
document.addEventListener("mozfullscreenchange", listener);
} else if (document.msFullscreenElement !== undefined) {
document.addEventListener("MSFullscreenChange", listener);
}
}
function copyTouch(touch, timeStamp) {
return {
identifier: touch.identifier,
pageX: touch.pageX,
pageXStart: touch.pageX,
pageY: touch.pageY,
pageYStart: touch.pageY,
timeStamp: timeStamp
};
}
function ongoingTouchIndexById(idToFind) {
for (var i = 0; i < ongoingTouches.length; i++) {
var id = ongoingTouches[i].identifier;
if (id == idToFind) {
return i;
}
}
return -1;
}
function calculatePointerAccelerationMult(speed) {
for (var i = 0; i < POINTER_ACCELERATION.length; i++) {
s2 = POINTER_ACCELERATION[i][0];
a2 = POINTER_ACCELERATION[i][1];
if (s2 <= speed) {
continue;
}
if (i == 0) {
return a2;
}
s1 = POINTER_ACCELERATION[i-1][0];
a1 = POINTER_ACCELERATION[i-1][1];
return ((speed-s1) / (s2-s1)) * (a2-a1) + a1;
}
if (POINTER_ACCELERATION.length > 0) {
return POINTER_ACCELERATION[POINTER_ACCELERATION.length-1][1];
}
return 1;
}
function onDraggingTimeout() {
draggingTimeout = null;
ws.send("b1;0");
}
function updateMoveAndScroll() {
var moveX = Math.trunc(moveXSum);
var moveY = Math.trunc(moveYSum);
if (Math.abs(moveX) >= 1 || Math.abs(moveY) >= 1) {
moveXSum -= moveX;
moveYSum -= moveY;
ws.send("m" + moveX + ";" + moveY);
}
var scrollX = Math.trunc(scrollXSum);
var scrollY = Math.trunc(scrollYSum);
if (Math.abs(scrollX) >= 1 || Math.abs(scrollY) >= 1) {
scrollXSum -= scrollX;
scrollYSum -= scrollY;
scrolling = true;
ws.send("s" + scrollX + ";" + scrollY);
}
}
function handleStart(evt) {
if (ongoingTouches.length == 0) {
touchStart = evt.timeStamp;
touchMoved = false;
touchReleasedCount = 0;
dragging = false;
}
var touches = evt.changedTouches;
for (var i = 0; i < touches.length; i++) {
if (touches[i].target !== pad && touches[i].target !== padlabel) {
continue;
}
evt.preventDefault();
ongoingTouches.push(copyTouch(touches[i], evt.timeStamp));
touchLastEnd = 0;
if (!dragging) {
moveXSum = Math.trunc(moveXSum);
moveYSum = Math.trunc(moveYSum);
}
scrollXSum = Math.trunc(scrollXSum);
scrollYSum = Math.trunc(scrollYSum);
if (draggingTimeout !== null) {
clearTimeout(draggingTimeout);
draggingTimeout = null;
dragging = true;
}
if (scrolling) {
ws.send("sf");
scrolling = false;
}
}
}
function handleEnd(evt) {
var touches = evt.changedTouches;
for (var i = 0; i < touches.length; i++) {
var idx = ongoingTouchIndexById(touches[i].identifier);
if (idx < 0) {
continue;
}
ongoingTouches.splice(idx, 1);
touchReleasedCount++;
touchLastEnd = evt.timeStamp;
if (scrolling) {
ws.send("sf");
scrolling = false;
}
}
if (touchReleasedCount > TOUCH_MOVE_THRESHOLD.length) {
touchMoved = true;
}
if (ongoingTouches.length == 0 && touchReleasedCount >= 1 &&
dragging) {
ws.send("b1;0");
}
if (ongoingTouches.length == 0 && touchReleasedCount >= 1 &&
!touchMoved && evt.timeStamp - touchStart < TOUCH_TIMEOUT) {
var button = 0;
if (touchReleasedCount == 1) {
button = 1;
} else if (touchReleasedCount == 2) {
button = 3;
}else if (touchReleasedCount == 3) {
button = 2;
}
ws.send("b" + button + ";1");
if (button == 1) {
draggingTimeout = setTimeout(onDraggingTimeout, TOUCH_TIMEOUT);
} else {
ws.send("b" + button + ";0");
}
}
}
function handleCancel(evt) {
var touches = evt.changedTouches;
for (var i = 0; i < touches.length; i++) {
var idx = ongoingTouchIndexById(touches[i].identifier);
if (idx < 0) {
continue;
}
ongoingTouches.splice(idx, 1);
touchReleasedCount++;
touchLastEnd = evt.timeStamp;
touchMoved = true;
if (scrolling) {
ws.send("sf");
scrolling = false;
}
}
}
function handleMove(evt) {
var sumX = 0;
var sumY = 0;
var touches = evt.changedTouches;
for (var i = 0; i < touches.length; i++) {
var idx = ongoingTouchIndexById(touches[i].identifier);
if (idx < 0) {
continue;
}
var dist = Math.sqrt(Math.pow(touches[i].pageX - ongoingTouches[idx].pageXStart, 2) + Math.pow(touches[i].pageY - ongoingTouches[idx].pageYStart, 2));
if (ongoingTouches.length > TOUCH_MOVE_THRESHOLD.length || dist > TOUCH_MOVE_THRESHOLD[ongoingTouches.length - 1]) {
touchMoved = true;
}
var dx = touches[i].pageX - ongoingTouches[idx].pageX;
var dy = touches[i].pageY - ongoingTouches[idx].pageY;
var timeDelta = evt.timeStamp - ongoingTouches[idx].timeStamp;
sumX += dx * calculatePointerAccelerationMult(Math.abs(dx) / timeDelta * 1000);
sumY += dy * calculatePointerAccelerationMult(Math.abs(dy) / timeDelta * 1000);
ongoingTouches[idx].pageX = touches[i].pageX;
ongoingTouches[idx].pageY = touches[i].pageY;
ongoingTouches[idx].timeStamp = evt.timeStamp;
}
if (touchMoved && evt.timeStamp - touchLastEnd >= TOUCH_TIMEOUT) {
if (ongoingTouches.length == 1 || dragging) {
moveXSum += sumX;
moveYSum += sumY;
} else if (ongoingTouches.length == 2) {
scrollXSum -= sumX;
scrollYSum -= sumY;
}
updateMoveAndScroll();
}
}
function challengeResponse(message) {
var shaObj = new jsSHA("SHA-256", "TEXT");
shaObj.setHMACKey(message, "TEXT");
shaObj.update(window.location.hash.substr(1));
return btoa(shaObj.getHMAC("BYTES"));
}
window.addEventListener("load", function() {
var authenticated = false;
var opening = document.getElementById("opening");
var closed = document.getElementById("closed");
pad = document.getElementById("pad");
padlabel = document.getElementById("padlabel");
var keyboard = document.getElementById("keyboard");
var fullscreenbutton = document.getElementById("fullscreenbutton");
var text = document.getElementById("text");
closed.style.display = "none";
pad.style.display = "none";
keyboard.style.display = "none";
text.value = "";
var wsProtocol = "wss:";
if (location.protocol == "http:") {
wsProtocol = "ws:";
}
ws = new WebSocket(wsProtocol + "//" + location.hostname +
(location.port ? ":" + location.port : "") +
"/ws");
ws.onmessage = function(event) {
if (authenticated) {
ws.close();
return;
}
authenticated = true;
ws.send(challengeResponse(event.data));
opening.style.display = "none";
if (history.state == "keyboard") {
keyboard.style.display = "flex";
text.focus();
} else {
pad.style.display = "flex";
}
};
ws.onclose = function() {
if (fullscreenElement()) {
exitFullscreen();
}
opening.style.display = "none";
pad.style.display = "none";
keyboard.style.display = "none"
closed.style.display = "flex";
};
document.getElementById("keyboardbutton").addEventListener("click",
function(e) {
if (fullscreenElement()) {
exitFullscreen();
}
pad.style.display = "none";
keyboard.style.display = "flex";
text.focus();
history.pushState("keyboard", "Remote Keyboard");
});
if (!fullscreenEnabled()) {
fullscreenbutton.style.display = "none";
}
fullscreenbutton.addEventListener("click", function(e) {
if (fullscreenElement()) {
exitFullscreen();
} else {
requestFullscreen(pad);
}
});
document.getElementById("sendbutton").addEventListener("click",
function(e) {
if (text.value != "") {
ws.send("t" + text.value);
text.value = "";
}
window.history.back();
});
window.onpopstate = function(event) {
if (keyboard.style.display == "flex") {
pad.style.display = "flex";
keyboard.style.display = "none";
} else {
window.history.back();
}
};
document.getElementById("reloadbutton").addEventListener("click",
function(e) {
location.reload();
});
pad.addEventListener("touchstart", handleStart, false);
pad.addEventListener("touchend", handleEnd, false);
pad.addEventListener("touchcancel", handleCancel, false);
pad.addEventListener("touchmove", handleMove, false);
}, false);

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<!DOCTYPE html> <!DOCTYPE html>
<html lang="en"> <html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no, interactive-widget=resizes-content"> <meta charset="utf-8" />
<script src="app/main.mjs" type="module"></script> <meta name="viewport" content="width=device-width initial-scale=1, maximum-scale=1, user-scalable=0" />
<title>Remote Touchpad</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" />
<link href="main.css" media="screen" rel="stylesheet"> <script src="fn.js"></script>
<link href="icon.png" type="image/png" rel="icon"> <script src="sha256.js"></script>
<title>Remote Touchpad</title>
<div id="opening" class="scene"> <link href="main.css" media="screen" rel="stylesheet" />
<noscript><p>JavaScript is required!</p></noscript> <link href="icon.png" type="image/png" rel="shortcut icon" />
<p>Connecting…</p> </head>
</div> <body>
<div id="opening">
<div id="closed" class="scene"> <p>Connecting...</p>
<p>Disconnected</p>
<button class="large" onclick="location.reload()"></button>
</div>
<div id="pad" class="scene touch-input mouse-input keyboard-input allow-fullscreen">
<p class="background">Touchpad</p>
<button class="top left" onclick="app.showKeys()"></button>
<button class="bottom left visible-if-fullscreen-enabled" onclick="app.toggleFullscreen()"></button>
<button class="bottom right" onclick="app.showTextInput()"></button>
</div>
<div id="text-input" class="scene">
<textarea class="grow" cols=1 rows=1></textarea>
<div class="buttons">
<button onclick="app.showKeys('text-input', 1)"></button>
<button class="grow" id="send-text" data-send-content="➣" data-back-content="⯇"></button>
</div>
</div>
<div id="keys" class="scene touch-input mouse-input keyboard-input allow-fullscreen">
<div class="page">
<div class="buttons" style="grid-column: 1 / 4">
<button onclick="app.key(app.KEY_BROWSER_BACK)"></button>
<button onclick="app.key(app.KEY_SUPER)">🪟</button>
<button onclick="app.key(app.KEY_BROWSER_FORWARD)"></button>
</div> </div>
<div class="buttons" style="grid-column: 1 / 4"> <div id="closed">
<button onclick="app.key(app.KEY_MEDIA_PREV_TRACK)"></button> <p>Disconnected</p>
<button onclick="app.key(app.KEY_MEDIA_PLAY_PAUSE)"></button> <button id="reloadbutton"></button>
<button onclick="app.key(app.KEY_MEDIA_NEXT_TRACK)"></button>
</div> </div>
<div class="buttons" style="grid-column: 1 / 4"> <div id="pad">
<button onclick="app.key(app.KEY_VOLUME_DOWN)">🔉</button> <p id="padlabel">Touchpad</p>
<button onclick="app.key(app.KEY_VOLUME_MUTE)">🔇</button> <div class="buttons">
<button onclick="app.key(app.KEY_VOLUME_UP)">🔊</button> <button id="fullscreenbutton"></button>
<button id="keyboardbutton"></button>
</div>
</div> </div>
</div> <div id="keyboard">
<div class="page"> <textarea id="text"></textarea>
<div class="buttons" style="grid-column: 1 / 4"> <button id="sendbutton"></button>
<button onclick="app.key(app.KEY_BACK_SPACE)"></button>
<button onclick="app.key(app.KEY_RETURN)"></button>
<button onclick="app.key(app.KEY_DELETE)"></button>
</div> </div>
<div class="buttons" style="grid-column: 1 / 4"> </body>
<button onclick="app.key(app.KEY_HOME)"></button> </html>
<button onclick="app.key(app.KEY_UP)"></button>
<button onclick="app.key(app.KEY_END)"></button>
</div>
<div class="buttons" style="grid-column: 1 / 4">
<button onclick="app.key(app.KEY_LEFT)"></button>
<button onclick="app.key(app.KEY_DOWN)"></button>
<button onclick="app.key(app.KEY_RIGHT)"></button>
</div>
</div>
<div class="page">
<button onclick="app.key(app.KEY_BACK_SPACE)"></button>
<button onclick="app.text(this.textContent)">/</button>
<button onclick="app.text(this.textContent)">*</button>
<button onclick="app.text(this.textContent)">-</button>
<button style="grid-row: 2" onclick="app.text(this.textContent)">7</button>
<button onclick="app.text(this.textContent)">8</button>
<button onclick="app.text(this.textContent)">9</button>
<button onclick="app.text(this.textContent)">+</button>
<button style="grid-row: 3" onclick="app.text(this.textContent)">4</button>
<button onclick="app.text(this.textContent)">5</button>
<button onclick="app.text(this.textContent)">6</button>
<button onclick="app.text(this.textContent)">=</button>
<button style="grid-row: 4" onclick="app.text(this.textContent)">1</button>
<button onclick="app.text(this.textContent)">2</button>
<button onclick="app.text(this.textContent)">3</button>
<button style="grid-row: 4 / 6; grid-column: 4" onclick="app.key(app.KEY_RETURN)"></button>
<button style="grid-row: 5; grid-column: 1 / 3" onclick="app.text(this.textContent)">0</button>
<button onclick="app.text(this.textContent)"><script>document.write(Intl.NumberFormat().formatToParts(1.1).find(x => x.type === "decimal").value)</script></button>
</div>
<button class="top right" onclick="app.setKeysPage(1, true)"></button>
<button class="top left" onclick="history.back()"></button>
</div>
<div id="mouse" class="scene keyboard-input allow-fullscreen">
<p class="background">Mouse</p>
</div>

View file

@ -1,228 +1,103 @@
@font-face { html, body, #pad, #keyboard, #opening, #closed {
font-family: "icon";
src: url("icon.woff") format("woff");
}
.hidden {
display: none !important;
}
html {
font-family: sans-serif;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
user-select: none;
background-color: #404040;
color: white;
background-image: url(tex.png);
touch-action: none;
overflow: hidden;
}
html,
body,
.scene {
width: 100%; width: 100%;
height: 100%; height: 100%;
margin: 0; margin: 0;
} }
.scene { body {
position: relative; font-family: sans;
}
#pad, #sendbutton, #opening, #closed {
background-color: #404040 !important;
background-image: url(tex.png);
}
#opening, #closed {
display: flex;
align-items: center;
justify-content: center;
font-size: 2em;
color: white;
word-wrap: break-word;
flex-direction: column;
}
#pad {
display: flex; display: flex;
flex-direction: column; flex-direction: column;
justify-content: center;
box-sizing: border-box;
align-items: center;
gap: 2rem;
padding: 0.5rem;
} }
p { #padlabel {
margin: 0; color: #424242;
font-size: 2rem;
word-wrap: break-word;
text-align: center;
}
p.background {
color: gray;
text-shadow: text-shadow:
-1px -1px 0 black, -1px -1px 0 #383838,
1px -1px 0 black, 1px -1px 0 #383838,
-1px 1px 0 black, -1px 1px 0 #383838,
1px 1px 0 black; 1px 1px 0 #383838;
opacity: 0.08;
font-weight: bold; font-weight: bold;
font-size: 4rem; margin-top: auto;
pointer-events: none; margin-bottom: auto;
text-align: center;
font-size: 4em;
word-wrap: break-word;
} }
@media (max-width: 32rem) { #fullscreenbutton, #keyboardbutton, #sendbutton, #reloadbutton {
p.background {
font-size: 13vw;
}
}
.large {
font-size: 4rem;
}
button {
box-sizing: border-box;
padding: 0;
background-color: transparent; background-color: transparent;
border: 1px solid black; border: 1px solid black;
height: 1.5em; height: 1.5em;
width: 2em; width: 2em;
min-width: 1.2em; font-size: 2em;
min-height: 1.2em;
max-width: 100%;
max-height: 100%;
border-radius: 2px;
font-size: 2rem;
color: white; color: white;
font-family: "icon";
overflow: hidden;
cursor: pointer;
transition: box-shadow 0.2s ease-out;
} }
button:focus { #fullscreenbutton, #keyboardbutton, #sendbutton {
outline: none;
}
button.click {
box-shadow: 0 0 1rem white inset;
transition: none;
}
button.top,
button.bottom,
button.left,
button.right {
position: absolute;
max-width: 50%;
max-height: 50%;
}
button.top {
top: 0;
border-top: none;
}
button.bottom {
bottom: 0;
border-bottom: none; border-bottom: none;
} }
button.left { #fullscreenbutton {
left: 0;
border-left: none; border-left: none;
} }
button.right { #keyboardbutton {
right: 0;
border-right: none; border-right: none;
margin-left: auto;
}
#keyboard {
display: flex;
flex-direction: row;
}
#text {
flex: 2;
border: none;
resize: none;
font-size: 2em;
background-color: white;
color: black;
} }
.buttons { .buttons {
display: flex; display: flex;
flex-direction: row;
min-height: 0;
min-width: 0;
} }
.buttons > button:not(:last-child) { #sendbutton {
border-right: none; border-right: none;
} border-top: none;
.scene > .grow,
.buttons > .grow {
flex-grow: 1;
}
textarea {
border: none;
resize: none;
font-size: 2rem;
background-color: white;
color: black;
margin: 0;
padding: 0 0.5rem;
}
textarea:focus {
outline: none;
}
#keys {
padding: 0;
justify-content: end;
}
#keys .page {
display: grid;
gap: 0.5rem;
min-height: 0;
min-width: 0;
grid-auto-rows: minmax(min-content, 6rem);
grid-auto-columns: minmax(min-content, 8rem);
padding: 0.5rem;
}
#keys .page * {
width: 100%;
height: 100%; height: 100%;
} }
#text-input { @media (max-aspect-ratio: 4/3) {
align-items: stretch; #keyboard {
padding: 0;
gap: 0;
flex-direction: row;
}
#text-input .buttons {
flex-direction: column;
}
#text-input .buttons > button {
border-top: none;
border-right: none;
}
#text-input .buttons > button:last-child {
border-bottom: none;
}
/* Only Safari for iOS */
@supports (-webkit-touch-callout: none) {
/* Virtual keyboard can overlay content */
#text-input .buttons > button:last-child {
display: flex;
padding-top: 0.2em;
justify-content: center;
}
}
/* Portrait orientation (not for Safari on iOS) */
@supports not (-webkit-touch-callout: none) { @media (max-aspect-ratio: 4/3) {
#text-input {
flex-direction: column; flex-direction: column;
} }
#text-input .buttons { #sendbutton {
flex-direction: row;
}
#text-input .buttons > button {
border-top: 1px solid black;
border-bottom: none;
}
#text-input .buttons > button:first-child {
border-left: none; border-left: none;
border-top: 1px solid black;
height: 1.5em;
width: 100%;
} }
} } }

27
webdata/sha256.js Normal file
View file

@ -0,0 +1,27 @@
/*
A JavaScript implementation of the SHA family of hashes, as
defined in FIPS PUB 180-4 and FIPS PUB 202, as well as the corresponding
HMAC implementation as defined in FIPS PUB 198a
Copyright 2008-2018 Brian Turek, 1998-2009 Paul Johnston & Contributors
Distributed under the BSD License
See http://caligatio.github.com/jsSHA/ for more information
*/
'use strict';(function(I){function w(c,a,d){var l=0,b=[],g=0,f,n,k,e,h,q,y,p,m=!1,t=[],r=[],u,z=!1;d=d||{};f=d.encoding||"UTF8";u=d.numRounds||1;if(u!==parseInt(u,10)||1>u)throw Error("numRounds must a integer >= 1");if(0===c.lastIndexOf("SHA-",0))if(q=function(b,a){return A(b,a,c)},y=function(b,a,l,f){var g,e;if("SHA-224"===c||"SHA-256"===c)g=(a+65>>>9<<4)+15,e=16;else throw Error("Unexpected error in SHA-2 implementation");for(;b.length<=g;)b.push(0);b[a>>>5]|=128<<24-a%32;a=a+l;b[g]=a&4294967295;
b[g-1]=a/4294967296|0;l=b.length;for(a=0;a<l;a+=e)f=A(b.slice(a,a+e),f,c);if("SHA-224"===c)b=[f[0],f[1],f[2],f[3],f[4],f[5],f[6]];else if("SHA-256"===c)b=f;else throw Error("Unexpected error in SHA-2 implementation");return b},p=function(b){return b.slice()},"SHA-224"===c)h=512,e=224;else if("SHA-256"===c)h=512,e=256;else throw Error("Chosen SHA variant is not supported");else throw Error("Chosen SHA variant is not supported");k=B(a,f);n=x(c);this.setHMACKey=function(b,a,g){var e;if(!0===m)throw Error("HMAC key already set");
if(!0===z)throw Error("Cannot set HMAC key after calling update");f=(g||{}).encoding||"UTF8";a=B(a,f)(b);b=a.binLen;a=a.value;e=h>>>3;g=e/4-1;if(e<b/8){for(a=y(a,b,0,x(c));a.length<=g;)a.push(0);a[g]&=4294967040}else if(e>b/8){for(;a.length<=g;)a.push(0);a[g]&=4294967040}for(b=0;b<=g;b+=1)t[b]=a[b]^909522486,r[b]=a[b]^1549556828;n=q(t,n);l=h;m=!0};this.update=function(a){var c,f,e,d=0,p=h>>>5;c=k(a,b,g);a=c.binLen;f=c.value;c=a>>>5;for(e=0;e<c;e+=p)d+h<=a&&(n=q(f.slice(e,e+p),n),d+=h);l+=d;b=f.slice(d>>>
5);g=a%h;z=!0};this.getHash=function(a,f){var d,h,k,q;if(!0===m)throw Error("Cannot call getHash after setting HMAC key");k=C(f);switch(a){case "HEX":d=function(a){return D(a,e,k)};break;case "B64":d=function(a){return E(a,e,k)};break;case "BYTES":d=function(a){return F(a,e)};break;case "ARRAYBUFFER":try{h=new ArrayBuffer(0)}catch(v){throw Error("ARRAYBUFFER not supported by this environment");}d=function(a){return G(a,e)};break;default:throw Error("format must be HEX, B64, BYTES, or ARRAYBUFFER");
}q=y(b.slice(),g,l,p(n));for(h=1;h<u;h+=1)q=y(q,e,0,x(c));return d(q)};this.getHMAC=function(a,f){var d,k,t,u;if(!1===m)throw Error("Cannot call getHMAC without first setting HMAC key");t=C(f);switch(a){case "HEX":d=function(a){return D(a,e,t)};break;case "B64":d=function(a){return E(a,e,t)};break;case "BYTES":d=function(a){return F(a,e)};break;case "ARRAYBUFFER":try{d=new ArrayBuffer(0)}catch(v){throw Error("ARRAYBUFFER not supported by this environment");}d=function(a){return G(a,e)};break;default:throw Error("outputFormat must be HEX, B64, BYTES, or ARRAYBUFFER");
}k=y(b.slice(),g,l,p(n));u=q(r,x(c));u=y(k,e,h,u);return d(u)}}function m(){}function D(c,a,d){var l="";a/=8;var b,g;for(b=0;b<a;b+=1)g=c[b>>>2]>>>8*(3+b%4*-1),l+="0123456789abcdef".charAt(g>>>4&15)+"0123456789abcdef".charAt(g&15);return d.outputUpper?l.toUpperCase():l}function E(c,a,d){var l="",b=a/8,g,f,n;for(g=0;g<b;g+=3)for(f=g+1<b?c[g+1>>>2]:0,n=g+2<b?c[g+2>>>2]:0,n=(c[g>>>2]>>>8*(3+g%4*-1)&255)<<16|(f>>>8*(3+(g+1)%4*-1)&255)<<8|n>>>8*(3+(g+2)%4*-1)&255,f=0;4>f;f+=1)8*g+6*f<=a?l+="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".charAt(n>>>
6*(3-f)&63):l+=d.b64Pad;return l}function F(c,a){var d="",l=a/8,b,g;for(b=0;b<l;b+=1)g=c[b>>>2]>>>8*(3+b%4*-1)&255,d+=String.fromCharCode(g);return d}function G(c,a){var d=a/8,l,b=new ArrayBuffer(d),g;g=new Uint8Array(b);for(l=0;l<d;l+=1)g[l]=c[l>>>2]>>>8*(3+l%4*-1)&255;return b}function C(c){var a={outputUpper:!1,b64Pad:"=",shakeLen:-1};c=c||{};a.outputUpper=c.outputUpper||!1;!0===c.hasOwnProperty("b64Pad")&&(a.b64Pad=c.b64Pad);if("boolean"!==typeof a.outputUpper)throw Error("Invalid outputUpper formatting option");
if("string"!==typeof a.b64Pad)throw Error("Invalid b64Pad formatting option");return a}function B(c,a){var d;switch(a){case "UTF8":case "UTF16BE":case "UTF16LE":break;default:throw Error("encoding must be UTF8, UTF16BE, or UTF16LE");}switch(c){case "HEX":d=function(a,b,c){var f=a.length,d,k,e,h,q;if(0!==f%2)throw Error("String of HEX type must be in byte increments");b=b||[0];c=c||0;q=c>>>3;for(d=0;d<f;d+=2){k=parseInt(a.substr(d,2),16);if(isNaN(k))throw Error("String of HEX type contains invalid characters");
h=(d>>>1)+q;for(e=h>>>2;b.length<=e;)b.push(0);b[e]|=k<<8*(3+h%4*-1)}return{value:b,binLen:4*f+c}};break;case "TEXT":d=function(c,b,d){var f,n,k=0,e,h,q,m,p,r;b=b||[0];d=d||0;q=d>>>3;if("UTF8"===a)for(r=3,e=0;e<c.length;e+=1)for(f=c.charCodeAt(e),n=[],128>f?n.push(f):2048>f?(n.push(192|f>>>6),n.push(128|f&63)):55296>f||57344<=f?n.push(224|f>>>12,128|f>>>6&63,128|f&63):(e+=1,f=65536+((f&1023)<<10|c.charCodeAt(e)&1023),n.push(240|f>>>18,128|f>>>12&63,128|f>>>6&63,128|f&63)),h=0;h<n.length;h+=1){p=k+
q;for(m=p>>>2;b.length<=m;)b.push(0);b[m]|=n[h]<<8*(r+p%4*-1);k+=1}else if("UTF16BE"===a||"UTF16LE"===a)for(r=2,n="UTF16LE"===a&&!0||"UTF16LE"!==a&&!1,e=0;e<c.length;e+=1){f=c.charCodeAt(e);!0===n&&(h=f&255,f=h<<8|f>>>8);p=k+q;for(m=p>>>2;b.length<=m;)b.push(0);b[m]|=f<<8*(r+p%4*-1);k+=2}return{value:b,binLen:8*k+d}};break;case "B64":d=function(a,b,c){var f=0,d,k,e,h,q,m,p;if(-1===a.search(/^[a-zA-Z0-9=+\/]+$/))throw Error("Invalid character in base-64 string");k=a.indexOf("=");a=a.replace(/\=/g,
"");if(-1!==k&&k<a.length)throw Error("Invalid '=' found in base-64 string");b=b||[0];c=c||0;m=c>>>3;for(k=0;k<a.length;k+=4){q=a.substr(k,4);for(e=h=0;e<q.length;e+=1)d="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/".indexOf(q[e]),h|=d<<18-6*e;for(e=0;e<q.length-1;e+=1){p=f+m;for(d=p>>>2;b.length<=d;)b.push(0);b[d]|=(h>>>16-8*e&255)<<8*(3+p%4*-1);f+=1}}return{value:b,binLen:8*f+c}};break;case "BYTES":d=function(a,b,c){var d,n,k,e,h;b=b||[0];c=c||0;k=c>>>3;for(n=0;n<a.length;n+=
1)d=a.charCodeAt(n),h=n+k,e=h>>>2,b.length<=e&&b.push(0),b[e]|=d<<8*(3+h%4*-1);return{value:b,binLen:8*a.length+c}};break;case "ARRAYBUFFER":try{d=new ArrayBuffer(0)}catch(l){throw Error("ARRAYBUFFER not supported by this environment");}d=function(a,b,c){var d,n,k,e,h;b=b||[0];c=c||0;n=c>>>3;h=new Uint8Array(a);for(d=0;d<a.byteLength;d+=1)e=d+n,k=e>>>2,b.length<=k&&b.push(0),b[k]|=h[d]<<8*(3+e%4*-1);return{value:b,binLen:8*a.byteLength+c}};break;default:throw Error("format must be HEX, TEXT, B64, BYTES, or ARRAYBUFFER");
}return d}function r(c,a){return c>>>a|c<<32-a}function J(c,a,d){return c&a^~c&d}function K(c,a,d){return c&a^c&d^a&d}function L(c){return r(c,2)^r(c,13)^r(c,22)}function M(c){return r(c,6)^r(c,11)^r(c,25)}function N(c){return r(c,7)^r(c,18)^c>>>3}function O(c){return r(c,17)^r(c,19)^c>>>10}function P(c,a){var d=(c&65535)+(a&65535);return((c>>>16)+(a>>>16)+(d>>>16)&65535)<<16|d&65535}function Q(c,a,d,l){var b=(c&65535)+(a&65535)+(d&65535)+(l&65535);return((c>>>16)+(a>>>16)+(d>>>16)+(l>>>16)+(b>>>
16)&65535)<<16|b&65535}function R(c,a,d,l,b){var g=(c&65535)+(a&65535)+(d&65535)+(l&65535)+(b&65535);return((c>>>16)+(a>>>16)+(d>>>16)+(l>>>16)+(b>>>16)+(g>>>16)&65535)<<16|g&65535}function x(c){var a=[],d;if(0===c.lastIndexOf("SHA-",0))switch(a=[3238371032,914150663,812702999,4144912697,4290775857,1750603025,1694076839,3204075428],d=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225],c){case "SHA-224":break;case "SHA-256":a=d;break;case "SHA-384":a=[new m,new m,
new m,new m,new m,new m,new m,new m];break;case "SHA-512":a=[new m,new m,new m,new m,new m,new m,new m,new m];break;default:throw Error("Unknown SHA variant");}else throw Error("No SHA variants supported");return a}function A(c,a,d){var l,b,g,f,n,k,e,h,m,r,p,w,t,x,u,z,A,B,C,D,E,F,v=[],G;if("SHA-224"===d||"SHA-256"===d)r=64,w=1,F=Number,t=P,x=Q,u=R,z=N,A=O,B=L,C=M,E=K,D=J,G=H;else throw Error("Unexpected error in SHA-2 implementation");d=a[0];l=a[1];b=a[2];g=a[3];f=a[4];n=a[5];k=a[6];e=a[7];for(p=
0;p<r;p+=1)16>p?(m=p*w,h=c.length<=m?0:c[m],m=c.length<=m+1?0:c[m+1],v[p]=new F(h,m)):v[p]=x(A(v[p-2]),v[p-7],z(v[p-15]),v[p-16]),h=u(e,C(f),D(f,n,k),G[p],v[p]),m=t(B(d),E(d,l,b)),e=k,k=n,n=f,f=t(g,h),g=b,b=l,l=d,d=t(h,m);a[0]=t(d,a[0]);a[1]=t(l,a[1]);a[2]=t(b,a[2]);a[3]=t(g,a[3]);a[4]=t(f,a[4]);a[5]=t(n,a[5]);a[6]=t(k,a[6]);a[7]=t(e,a[7]);return a}var H;H=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,
2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,
2756734187,3204031479,3329325298];"function"===typeof define&&define.amd?define(function(){return w}):"undefined"!==typeof exports?("undefined"!==typeof module&&module.exports&&(module.exports=w),exports=w):I.jsSHA=w})(this);

View file

@ -1,42 +0,0 @@
/*
* Copyright (c) 2024 Unrud <unrud@outlook.com>
*
* This file is part of Remote-Touchpad.
*
* Remote-Touchpad is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Remote-Touchpad is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"fmt"
"io/fs"
"path/filepath"
"testing"
)
func TestWebdataTypesCompleteness(t *testing.T) {
if err := fs.WalkDir(webdataFS, ".", func(_ string, d fs.DirEntry, err error) error {
if err != nil || d.IsDir() {
return err
}
ext := filepath.Ext(d.Name())
if _, haveType := webdataTypes[ext]; !haveType {
return fmt.Errorf("missing mime type for extension %#v", ext)
}
return nil
}); err != nil {
t.Fatal(err)
}
}