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First stab at showing windows in the overlay

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shell-global.[ch]: Add shell_global_get_windows() to get
  the list of all MutterWindow for the  screen
Makefile.am: Include the metacity typelib so that we can
  reference the MutterWindow type
js/ui/overlay.js: Cascade the open windows, scaled down
  in the overlay

svn path=/trunk/; revision=24
This commit is contained in:
Owen Taylor
2008-11-02 04:18:41 +00:00
parent 1ce78680b1
commit e624b2a241
5 changed files with 81 additions and 6 deletions
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53
js/ui/overlay.js
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@ -29,11 +29,58 @@ Overlay.prototype = {
this._group.hide();
global.overlay_group.add_actor(this._group);
this._window_clones = []
},
show : function() {
if (!this.visible) {
this.visible = true;
// Very simple version of a window overview ... when we show the
// overlay, display all the user's windows in the overlay scaled
// down.
//
// We show the window using "clones" of the texture .. separate
// actors that mirror the original actors for the window. For
// animation purposes, it may be better to actually move the
// original actors about instead.
let global = Shell.global_get();
let windows = global.get_windows();
let screen_width = global.screen_width
let screen_height = global.screen_height
let x = screen_width / 4
let y = screen_height / 4
for (let i = 0; i < windows.length; i++)
if (!windows[i].is_override_redirect()) {
let clone = new Clutter.CloneTexture({ parent_texture: windows[i].get_texture(),
x: x,
y: y });
// We scale each window down so that it is at most 300x300, but we
// never want to scale a window up.
let size = clone.width;
if (clone.height > size)
size = clone.height;
let scale = 300 / size;
if (scale > 1)
scale = 1;
clone.set_scale(scale, scale);
this._group.add_actor(clone);
this._window_clones.push(clone);
// Windows are overlapped diagonally. If there are too many, they'll
// end up off the screen
x += 50;
y += 50;
}
this._group.show();
}
},
@ -42,6 +89,12 @@ Overlay.prototype = {
if (this.visible) {
this.visible = false;
this._group.hide();
for (let i = 0; i < this._window_clones.length; i++) {
this._window_clones[i].destroy();
}
this._window_clones = [];
}
}
};