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broadway: Move event coordinate calculation to browser side

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This commit is contained in:
Alexander Larsson
2011-03-11 21:10:23 +01:00
parent 0cefd54122
commit cc808ae063
2 changed files with 193 additions and 109 deletions
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78
gdk/broadway/broadway.js
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@ -66,6 +66,7 @@ function createXHR()
var last_serial = 0;
var last_x = 0;
var last_y = 0;
var window_with_mouse = 0;
var surfaces = {};
var outstanding_commands = new Array();
var input_socket = null;
@ -293,24 +294,75 @@ function send_input(cmd, args)
}
}
function update_positions_from_event(ev) {
last_x = ev.pageX;
last_y = ev.pageY;
function get_document_coordinates(element)
{
var res = new Object();
res.x = element.offsetLeft;
res.y = element.offsetTop;
var offsetParent = element.offsetParent;
while (offsetParent != null) {
res.x += offsetParent.offsetLeft;
res.y += offsetParent.offsetTop;
offsetParent = offsetParent.offsetParent;
}
return res;
}
function getPositionsFromEvent(ev, relativeId) {
var res = Object();
res.root_x = ev.pageX;
res.root_y = ev.pageY;
res.win_x = ev.pageX;
res.win_y = ev.pageY;
if (relativeId != 0) {
var pos = get_document_coordinates(ev.target);
res.win_x = res.win_x - pos.x;
res.win_y = res.win_y - pos.y;
}
last_x = res.root_x;
last_y = res.root_y;
return res;
}
function on_mouse_move (ev) {
update_positions_from_event(ev);
send_input ("m", [get_surface_id(ev), last_x, last_y, ev.timeStamp]);
var id = get_surface_id(ev);
var pos = getPositionsFromEvent(ev, id);
send_input ("m", [id, pos.root_x, pos.root_y, pos.win_x, pos.win_y, ev.timeStamp]);
}
function on_mouse_over (ev) {
var id = get_surface_id(ev);
var pos = getPositionsFromEvent(ev, id);
window_with_mouse = id;
if (window_with_mouse != 0) {
send_input ("e", [id, pos.root_x, pos.root_y, pos.win_x, pos.win_y, ev.timeStamp]);
}
}
function on_mouse_out (ev) {
var id = get_surface_id(ev);
var pos = getPositionsFromEvent(ev, id);
if (id != 0) {
send_input ("l", [id, pos.root_x, pos.root_y, pos.win_x, pos.win_y, ev.timeStamp]);
}
window_with_mouse = 0;
}
function on_mouse_down (ev) {
update_positions_from_event(ev);
send_input ("b", [get_surface_id(ev), last_x, last_y, ev.button, ev.timeStamp]);
var id = get_surface_id(ev);
var pos = getPositionsFromEvent(ev, id);
send_input ("b", [id, pos.root_x, pos.root_y, pos.win_x, pos.win_y, ev.timeStamp, ev.button]);
}
function on_mouse_up (ev) {
update_positions_from_event(ev);
send_input ("B", [get_surface_id(ev), last_x, last_y, ev.button, ev.timeStamp]);
var id = get_surface_id(ev);
var pos = getPositionsFromEvent(ev, id);
send_input ("B", [id, pos.root_x, pos.root_y, pos.win_x, pos.win_y, ev.timeStamp, ev.button]);
}
var last_key_down = 0;
@ -344,11 +396,15 @@ function cancel_event(ev)
function on_mouse_wheel(ev)
{
ev = ev ? ev : window.event;
var id = get_surface_id(ev);
var pos = getPositionsFromEvent(ev, id);
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])
send_input ("s", [id, pos.root_x, pos.root_y, pos.win_x, pos.win_y, ev.timeStamp, dir])
return cancel_event(ev);
}
@ -383,6 +439,8 @@ function connect()
}
document.oncontextmenu = function () { return false; }
document.onmousemove = on_mouse_move;
document.onmouseover = on_mouse_over;
document.onmouseout = on_mouse_out;
document.onmousedown = on_mouse_down;
document.onmouseup = on_mouse_up;
document.onkeydown = on_key_down;