lukajankovic/remote-touchpad
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Limit update rate

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This commit is contained in:
Unrud 2022-02-22 20:27:39 +01:00
parent 61fa13974d
commit 9432869bce
2 changed files with 37 additions and 14 deletions
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2
main.go
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@ -50,6 +50,7 @@ const (
)
type config struct {
UpdateRate uint `json:"updateRate"`
ScrollSpeed float64 `json:"scrollSpeed"`
MoveSpeed float64 `json:"moveSpeed"`
MouseScrollSpeed float64 `json:"mouseScrollSpeed"`
@ -156,6 +157,7 @@ func main() {
flag.StringVar(&secret, "secret", "", "shared secret for client authentication")
flag.StringVar(&certFile, "cert", "", "file containing TLS certificate")
flag.StringVar(&keyFile, "key", "", "file containing TLS private key")
flag.UintVar(&config.UpdateRate, "update-rate", 20, "number of updates per second")
flag.Float64Var(&config.MoveSpeed, "move-speed", 1, "move speed multiplier")
flag.Float64Var(&config.ScrollSpeed, "scroll-speed", 1, "scroll speed multiplier")
flag.Float64Var(&config.MouseMoveSpeed, "mouse-move-speed", 1, "mouse move speed multiplier")

49
webdata/fn.js
View file

@ -67,8 +67,10 @@ var scrollXSum = 0;
var scrollYSum = 0;
var dragging = false;
var draggingTimeout = null;
var scrollFinish = false;
var scrolling = false;
var mouseButtons = 0;
var updateTimeoutActive = false;
function fullscreenEnabled() {
return (document.fullscreenEnabled ||
@ -193,32 +195,51 @@ function onDraggingTimeout() {
ws.send("b" + POINTER_BUTTON_LEFT + ";0");
}
function updateMove(x, y) {
moveXSum += x;
moveYSum += y;
var xInt = Math.trunc(moveXSum);
var yInt = Math.trunc(moveYSum);
function startUpdate(fromTimeout) {
if (updateTimeoutActive && !fromTimeout) {
return;
}
var updateFinished = true;
var xInt, yInt;
xInt = Math.trunc(moveXSum);
yInt = Math.trunc(moveYSum);
if (xInt != 0 || yInt != 0) {
ws.send("m" + xInt + ";" + yInt);
moveXSum -= xInt;
moveYSum -= yInt;
ws.send("m" + xInt + ";" + yInt);
updateFinished = false;
}
}
function updateScroll(x, y, scrollFinish) {
scrollXSum += x;
scrollYSum += y;
var xInt = Math.trunc(scrollXSum);
var yInt = Math.trunc(scrollYSum);
xInt = Math.trunc(scrollXSum);
yInt = Math.trunc(scrollYSum);
if (xInt != 0 || yInt != 0) {
ws.send((scrollFinish ? "S" : "s") + xInt + ";" + yInt);
scrollXSum -= xInt;
scrollYSum -= yInt;
ws.send((scrollFinish ? "S" : "s") + xInt + ";" + yInt);
scrolling = !scrollFinish;
scrollFinish = false;
updateFinished = false;
} else if (scrollFinish && scrolling) {
ws.send("S");
scrolling = false;
scrollFinish = false;
}
updateTimeoutActive = !updateFinished && config.updateRate > 0
if (updateTimeoutActive) {
setTimeout(startUpdate, 1000/config.updateRate, true);
}
}
function updateMove(x, y) {
moveXSum += x;
moveYSum += y;
startUpdate();
}
function updateScroll(x, y, finish) {
scrollXSum += x;
scrollYSum += y;
scrollFinish |= finish;
startUpdate();
}
function handleTouchstart(evt) {