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[broadway] Hook mousewheel scrolling

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This commit is contained in:
Alexander Larsson 2010-11-25 21:02:21 +01:00
parent d6029949e6
commit 667d23aa7c
1 changed files with 33 additions and 0 deletions
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33
gdk/broadway/broadway.js
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@ -293,6 +293,31 @@ function on_mouse_up (ev) {
send_input ("B", [get_surface_id(ev), ev.pageX, ev.pageY, ev.button, ev.timeStamp])
}
function cancel_event(ev)
{
ev = ev ? ev : window.event;
if (ev.stopPropagation)
ev.stopPropagation();
if (ev.preventDefault)
ev.preventDefault();
ev.cancelBubble = true;
ev.cancel = true;
ev.returnValue = false;
return false;
}
function on_mouse_wheel(ev)
{
ev = ev ? ev : window.event;
var offset = ev.detail ? ev.detail : ev.wheelDelta;
var dir = 0
if (offset > 0)
dir = 1;
send_input ("s", [get_surface_id(ev), ev.pageX, ev.pageY, dir, ev.timeStamp])
return cancel_event(ev);
}
function connect()
{
var xhr = createXHR();
@ -325,4 +350,12 @@ function connect()
document.onmousemove = on_mouse_move;
document.onmousedown = on_mouse_down;
document.onmouseup = on_mouse_up;
if (document.addEventListener) {
document.addEventListener('DOMMouseScroll', on_mouse_wheel, false);
document.addEventListener('mousewheel', on_mouse_wheel, false);
} else if (document.attachEvent) {
element.attachEvent("onmousewheel", on_mouse_wheel);
}
}