Reorganize
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Unrud
parent
e29982dc00
commit
8a2a29c9d6
40 changed files with 39 additions and 37 deletions
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//go:build windows
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/*
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* Copyright (c) 2018 Unrud <unrud@outlook.com>
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*
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* This file is part of Remote-Touchpad.
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*
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* Remote-Touchpad is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Remote-Touchpad is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Remote-Touchpad. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"errors"
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"syscall"
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"unsafe"
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)
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const (
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inputMouse uintptr = 0x0
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inputKeyboard uintptr = 0x1
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keyeventfKeyup uint32 = 0x2
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keyeventfUnicode uint32 = 0x4
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vkBack uint16 = 0x8
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vkReturn uint16 = 0xD
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vkEnd uint16 = 0x23
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vkHome uint16 = 0x24
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vkLeft uint16 = 0x25
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vkUp uint16 = 0x26
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vkRight uint16 = 0x27
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vkDown uint16 = 0x28
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vkDelete uint16 = 0x2E
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vkLwin uint16 = 0x5B
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vkBrowserBack uint16 = 0xA6
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vkBrowserForward uint16 = 0xA7
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vkVolumeMute uint16 = 0xAD
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vkVolumeDown uint16 = 0xAE
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vkVolumeUp uint16 = 0xAF
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vkMediaNextTrack uint16 = 0xB0
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vkMediaPrevTrack uint16 = 0xB1
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vkMediaPlayPause uint16 = 0xB3
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mouseeventfMove uint32 = 0x1
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mouseeventfLeftdown uint32 = 0x2
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mouseeventfLeftup uint32 = 0x4
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mouseeventfRightdown uint32 = 0x8
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mouseeventfRightup uint32 = 0x10
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mouseeventfMiddledown uint32 = 0x20
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mouseeventfMiddleup uint32 = 0x40
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mouseeventfWheel uint32 = 0x800
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mouseeventfHwheel uint32 = 0x1000
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scrollMult int = 6
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)
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var (
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user32DLL = syscall.NewLazyDLL("user32.dll")
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sendInputProc = user32DLL.NewProc("SendInput")
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)
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type mouseInput struct {
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typ uintptr // HACK: padded uint32
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dx, dy int32
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mouseData, dwFlags, time uint32
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dwExtraInfo uintptr
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}
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type keybdInput struct {
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typ uintptr // HACK: padded uint32
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wVk, wScan uint16
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dwFlags, time uint32
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dwExtraInfo uintptr
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padding [8]byte
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}
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type windowsController struct{}
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func init() {
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RegisterController("Windows", InitWindowsController, 0)
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}
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func InitWindowsController() (Controller, error) {
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p := &windowsController{}
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if err := sendInputProc.Find(); err != nil {
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return nil, UnsupportedPlatformError{err}
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}
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return p, nil
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}
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func (p *windowsController) Close() error {
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return nil
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}
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func (p *windowsController) sendInput(inputs []keybdInput) error {
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if len(inputs) == 0 {
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return nil
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}
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if r, _, err := sendInputProc.Call(uintptr(len(inputs)),
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uintptr(unsafe.Pointer(&inputs[0])),
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unsafe.Sizeof(inputs[0])); int(r) != len(inputs) {
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return err
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}
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return nil
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}
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func (p *windowsController) KeyboardText(text string) error {
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inputs := make([]keybdInput, 0, len(text)*2)
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for _, runeValue := range text {
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in := keybdInput{typ: inputKeyboard, wScan: uint16(runeValue), dwFlags: keyeventfUnicode}
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inputs = append(inputs, in)
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in.dwFlags |= keyeventfKeyup
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inputs = append(inputs, in)
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}
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if len(inputs) == 0 {
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return nil
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}
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return p.sendInput(inputs)
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}
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func (p *windowsController) KeyboardKey(key Key) error {
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input := keybdInput{typ: inputKeyboard}
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if key == KeyBackSpace {
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input.wVk = vkBack
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} else if key == KeyReturn {
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input.wVk = vkReturn
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} else if key == KeyEnd {
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input.wVk = vkEnd
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} else if key == KeyHome {
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input.wVk = vkHome
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} else if key == KeyLeft {
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input.wVk = vkLeft
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} else if key == KeyUp {
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input.wVk = vkUp
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} else if key == KeyRight {
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input.wVk = vkRight
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} else if key == KeyDown {
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input.wVk = vkDown
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} else if key == KeyDelete {
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input.wVk = vkDelete
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} else if key == KeySuper {
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input.wVk = vkLwin
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} else if key == KeyBrowserBack {
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input.wVk = vkBrowserBack
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} else if key == KeyBrowserForward {
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input.wVk = vkBrowserForward
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} else if key == KeyVolumeMute {
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input.wVk = vkVolumeMute
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} else if key == KeyVolumeDown {
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input.wVk = vkVolumeDown
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} else if key == KeyVolumeUp {
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input.wVk = vkVolumeUp
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} else if key == KeyMediaNextTrack {
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input.wVk = vkMediaNextTrack
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} else if key == KeyMediaPrevTrack {
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input.wVk = vkMediaPrevTrack
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} else if key == KeyMediaPlayPause {
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input.wVk = vkMediaPlayPause
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} else {
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return errors.New("key not mapped to virtual-key code")
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}
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inputs := [...]keybdInput{input, input}
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inputs[1].dwFlags |= keyeventfKeyup
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return p.sendInput(inputs[:])
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}
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func (p *windowsController) PointerButton(button PointerButton, press bool) error {
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input := mouseInput{typ: inputMouse}
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if button == PointerButtonLeft && press {
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input.dwFlags = mouseeventfLeftdown
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} else if button == PointerButtonLeft {
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input.dwFlags = mouseeventfLeftup
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} else if button == PointerButtonMiddle && press {
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input.dwFlags = mouseeventfMiddledown
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} else if button == PointerButtonMiddle {
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input.dwFlags = mouseeventfMiddleup
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} else if button == PointerButtonRight && press {
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input.dwFlags = mouseeventfRightdown
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} else if button == PointerButtonRight {
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input.dwFlags = mouseeventfRightup
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} else {
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return errors.New("unsupported pointer button")
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}
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if r, _, err := sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
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unsafe.Sizeof(input)); int(r) != 1 {
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return err
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}
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return nil
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}
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func (p *windowsController) PointerMove(deltaX, deltaY int) error {
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input := mouseInput{
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typ: inputMouse,
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dx: int32(deltaX),
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dy: int32(deltaY),
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dwFlags: mouseeventfMove,
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}
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if r, _, err := sendInputProc.Call(1, uintptr(unsafe.Pointer(&input)),
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unsafe.Sizeof(input)); int(r) != 1 {
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return err
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}
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return nil
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}
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func (p *windowsController) PointerScroll(deltaHorizontal, deltaVertical int, finish bool) error {
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inputs := make([]mouseInput, 0, 2)
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if deltaHorizontal != 0 {
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inputs = append(inputs, mouseInput{
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typ: inputMouse,
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dwFlags: mouseeventfHwheel,
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mouseData: uint32(deltaHorizontal * scrollMult),
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})
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}
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if deltaVertical != 0 {
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inputs = append(inputs, mouseInput{
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typ: inputMouse,
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dwFlags: mouseeventfWheel,
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mouseData: uint32(-deltaVertical * scrollMult),
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})
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}
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if len(inputs) == 0 {
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return nil
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}
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if r, _, err := sendInputProc.Call(uintptr(len(inputs)),
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uintptr(unsafe.Pointer(&inputs[0])),
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unsafe.Sizeof(inputs[0])); int(r) != len(inputs) {
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return err
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}
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return nil
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}
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