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very effective binary mouse protocol

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This commit is contained in:
Maxim Devaev
2023-06-04 02:27:03 +03:00
parent caf08bd2ac
commit 388c8aeb2d
4 changed files with 145 additions and 47 deletions
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33
web/share/js/kvm/mouse.js
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@@ -345,11 +345,38 @@ export function Mouse(__getGeometry, __recordWsEvent) {
};
var __sendEvent = function(event_type, event) {
event = {"event_type": event_type, "event": event};
let wrapped_event = {"event_type": event_type, "event": event};
if (__ws && !$("hid-mute-switch").checked) {
__ws.send(JSON.stringify(event));
if (event_type == "mouse_move") {
let data = new Uint8Array([
3,
(event.to.x >> 8) & 0xFF, event.to.x & 0xFF,
(event.to.y >> 8) & 0xFF, event.to.y & 0xFF,
]);
__ws.send(data);
} else if (event_type == "mouse_relative" || event_type == "mouse_wheel") {
let data;
if (Array.isArray(event.delta)) {
data = new Int8Array(2 + event.delta.length * 2);
let index = 0;
for (let delta of event.delta) {
data[index + 2] = delta["x"];
data[index + 3] = delta["y"];
index += 2;
}
} else {
data = new Int8Array([0, 0, event.delta.x, event.delta.y]);
}
data[0] = (event_type == "mouse_relative" ? 4 : 5);
data[1] = (event.squash ? 1 : 0);
__ws.send(data);
} else {
__ws.send(JSON.stringify(wrapped_event));
}
}
__recordWsEvent(event);
__recordWsEvent(wrapped_event);
};
__init__();