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GUAC-324: Scroll page with emulated mouse.

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This commit is contained in:
Michael Jumper
2014-04-22 11:26:56 -07:00
parent 8ad4128b86
commit b98302f911
1 changed files with 31 additions and 0 deletions
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31
guacamole/src/main/webapp/scripts/client-ui.js
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@@ -997,6 +997,37 @@ GuacUI.Client.setMouseEmulationAbsolute = function(absolute) {
// Get client - do nothing if not attached
var guac = GuacUI.Client.attachedClient;
if (!guac) return;
// Determine mouse position within view
var guac_display = guac.getDisplay();
var mouse_view_x = mouseState.x + guac_display.offsetLeft - GuacUI.Client.main.scrollLeft;
var mouse_view_y = mouseState.y + guac_display.offsetTop - GuacUI.Client.main.scrollTop;
// Determine viewport dimensioins
var view_width = GuacUI.Client.main.offsetWidth;
var view_height = GuacUI.Client.main.offsetHeight;
// Determine scroll amounts based on mouse position relative to document
var scroll_amount_x;
if (mouse_view_x > view_width)
scroll_amount_x = mouse_view_x - view_width;
else if (mouse_view_x < 0)
scroll_amount_x = mouse_view_x;
else
scroll_amount_x = 0;
var scroll_amount_y;
if (mouse_view_y > view_height)
scroll_amount_y = mouse_view_y - view_height;
else if (mouse_view_y < 0)
scroll_amount_y = mouse_view_y;
else
scroll_amount_y = 0;
// Scroll (if necessary) to keep mouse on screen.
GuacUI.Client.main.scrollLeft += scroll_amount_x;
GuacUI.Client.main.scrollTop += scroll_amount_y;
// Scale event by current scale
var scaledState = new Guacamole.Mouse.State(