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main: don't use a BindConstraint for uiGroup

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A BindConstraint on the size of uiGroup forces full redraws of the scene.
Instead, implement and use get_preferred_width and get_preferred_height.

https://bugzilla.gnome.org/show_bug.cgi?id=670636
This commit is contained in:
Stefano Facchini 2012-02-22 18:18:15 +01:00
parent aeb117c9d1
commit 8c94a5afb9
1 changed files with 10 additions and 3 deletions
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13
js/ui/main.js
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@ -194,9 +194,16 @@ function start() {
for (let i = 0; i < children.length; i++)
children[i].allocate_preferred_size(flags);
});
let constraint = new Clutter.BindConstraint({ source: global.stage,
coordinate: Clutter.BindCoordinate.SIZE });
uiGroup.add_constraint(constraint);
uiGroup.connect('get-preferred-width',
function(actor, forHeight, alloc) {
let width = global.stage.width;
[alloc.min_size, alloc.natural_size] = [width, width];
});
uiGroup.connect('get-preferred-height',
function(actor, forWidth, alloc) {
let height = global.stage.height;
[alloc.min_size, alloc.natural_size] = [height, height];
});
global.window_group.reparent(uiGroup);
global.overlay_group.reparent(uiGroup);
global.stage.add_actor(uiGroup);