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Calculate mouse position including scroll of overflow elements (cannot rely on pageX/Y).

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This commit is contained in:
Michael Jumper
2012-04-06 12:38:24 -07:00
parent 041f22563c
commit eaa233520c
1 changed files with 6 additions and 9 deletions
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15
guacamole-common-js/src/main/resources/mouse.js
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@@ -121,20 +121,17 @@ Guacamole.Mouse = function(element) {
e.returnValue = false; e.returnValue = false;
} }
function moveMouse(pageX, pageY) { function moveMouse(clientX, clientY) {
guac_mouse.currentState.x = pageX - element.offsetLeft; guac_mouse.currentState.x = clientX - element.offsetLeft;
guac_mouse.currentState.y = pageY - element.offsetTop; guac_mouse.currentState.y = clientY - element.offsetTop;
// This is all JUST so we can get the mouse position within the element // This is all JUST so we can get the mouse position within the element
var parent = element.offsetParent; var parent = element.offsetParent;
while (parent) { while (parent) {
if (parent.offsetLeft) guac_mouse.currentState.x -= parent.offsetLeft - parent.scrollLeft;
guac_mouse.currentState.x -= parent.offsetLeft; guac_mouse.currentState.y -= parent.offsetTop - parent.scrollTop;
if (parent.offsetTop)
guac_mouse.currentState.y -= parent.offsetTop;
parent = parent.offsetParent; parent = parent.offsetParent;
} }
@@ -157,7 +154,7 @@ Guacamole.Mouse = function(element) {
cancelEvent(e); cancelEvent(e);
moveMouse(e.pageX, e.pageY); moveMouse(e.clientX, e.clientY);
}, false); }, false);