e624b2a241
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
101 lines
2.5 KiB
JavaScript
101 lines
2.5 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; -*- */
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const Shell = imports.gi.Shell;
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const Clutter = imports.gi.Clutter;
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const Panel = imports.ui.panel;
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const OVERLAY_BACKGROUND_COLOR = new Clutter.Color();
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OVERLAY_BACKGROUND_COLOR.from_pixel(0x000000ff);
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function Overlay() {
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this._init();
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}
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Overlay.prototype = {
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_init : function() {
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let global = Shell.global_get();
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this._group = new Clutter.Group();
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this.visible = false;
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let background = new Clutter.Rectangle({ color: OVERLAY_BACKGROUND_COLOR,
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reactive: true,
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x: 0,
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y: Panel.PANEL_HEIGHT,
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width: global.screen_width,
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height: global.screen_width - Panel.PANEL_HEIGHT });
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this._group.add_actor(background);
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this._group.hide();
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global.overlay_group.add_actor(this._group);
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this._window_clones = []
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},
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show : function() {
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if (!this.visible) {
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this.visible = true;
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// Very simple version of a window overview ... when we show the
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// overlay, display all the user's windows in the overlay scaled
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// down.
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//
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// We show the window using "clones" of the texture .. separate
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// actors that mirror the original actors for the window. For
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// animation purposes, it may be better to actually move the
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// original actors about instead.
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let global = Shell.global_get();
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let windows = global.get_windows();
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let screen_width = global.screen_width
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let screen_height = global.screen_height
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let x = screen_width / 4
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let y = screen_height / 4
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for (let i = 0; i < windows.length; i++)
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if (!windows[i].is_override_redirect()) {
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let clone = new Clutter.CloneTexture({ parent_texture: windows[i].get_texture(),
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x: x,
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y: y });
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// We scale each window down so that it is at most 300x300, but we
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// never want to scale a window up.
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let size = clone.width;
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if (clone.height > size)
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size = clone.height;
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let scale = 300 / size;
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if (scale > 1)
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scale = 1;
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clone.set_scale(scale, scale);
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this._group.add_actor(clone);
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this._window_clones.push(clone);
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// Windows are overlapped diagonally. If there are too many, they'll
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// end up off the screen
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x += 50;
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y += 50;
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}
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this._group.show();
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}
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},
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hide : function() {
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if (this.visible) {
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this.visible = false;
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this._group.hide();
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for (let i = 0; i < this._window_clones.length; i++) {
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this._window_clones[i].destroy();
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}
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this._window_clones = [];
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}
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}
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};
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