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canvas.gui.ScrollArea: check for valid content bounding box.

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This commit is contained in:
Thomas Geymayer 2014-03-24 00:18:29 +01:00
parent f90ecf08d2
commit 04c40a4232
1 changed files with 5 additions and 0 deletions
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5
Nasal/canvas/gui/widgets/ScrollArea.nas
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@ -45,6 +45,11 @@ gui.widgets.ScrollArea = {
{
# TODO only update on content resize
var bb = me.getContent().getTransformedBounds();
if( bb[2] < bb[0] or bb[3] < bb[1] )
# Do nothing with invalid bounding box (probably no content yet)
return me;
var w = bb[2] - bb[0];
var h = bb[3] - bb[1];