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Stop accidentally subtracting onscreen_canvas.offset{Left,Top} from

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the return value of relative_mouse_coords! I only got away with that
error because the canvas was at offset zero compared to its immediate
parent element.

[originally from svn r9808]
This commit is contained in:
Simon Tatham
2013-04-05 15:49:24 +00:00
parent 33b3947d1f
commit 7479c2882d
1 changed files with 3 additions and 9 deletions
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12
emccpre.js
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@ -135,9 +135,7 @@ function initPuzzle() {
buttons_down = 0; buttons_down = 0;
onscreen_canvas.onmousedown = function(event) { onscreen_canvas.onmousedown = function(event) {
var xy = relative_mouse_coords(event, onscreen_canvas); var xy = relative_mouse_coords(event, onscreen_canvas);
mousedown(xy.x - onscreen_canvas.offsetLeft, mousedown(xy.x, xy.y, event.button);
xy.y - onscreen_canvas.offsetTop,
event.button);
buttons_down |= 1 << event.button; buttons_down |= 1 << event.button;
onscreen_canvas.setCapture(true); onscreen_canvas.setCapture(true);
}; };
@ -146,9 +144,7 @@ function initPuzzle() {
onscreen_canvas.onmousemove = function(event) { onscreen_canvas.onmousemove = function(event) {
if (buttons_down) { if (buttons_down) {
var xy = relative_mouse_coords(event, onscreen_canvas); var xy = relative_mouse_coords(event, onscreen_canvas);
mousemove(xy.x - onscreen_canvas.offsetLeft, mousemove(xy.x, xy.y, buttons_down);
xy.y - onscreen_canvas.offsetTop,
buttons_down);
} }
}; };
mouseup = Module.cwrap('mouseup', 'void', mouseup = Module.cwrap('mouseup', 'void',
@ -157,9 +153,7 @@ function initPuzzle() {
if (buttons_down & (1 << event.button)) { if (buttons_down & (1 << event.button)) {
buttons_down ^= 1 << event.button; buttons_down ^= 1 << event.button;
var xy = relative_mouse_coords(event, onscreen_canvas); var xy = relative_mouse_coords(event, onscreen_canvas);
mouseup(xy.x - onscreen_canvas.offsetLeft, mouseup(xy.x, xy.y, event.button);
xy.y - onscreen_canvas.offsetTop,
event.button);
} }
}; };