298 lines
12 KiB
JavaScript
298 lines
12 KiB
JavaScript
/* -*- mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil -*- */
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const Signals = imports.signals;
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const Mainloop = imports.mainloop;
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const Tweener = imports.tweener.tweener;
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const Clutter = imports.gi.Clutter;
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const Gio = imports.gi.Gio;
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const Gtk = imports.gi.Gtk;
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const Workspaces = imports.ui.workspaces;
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const Main = imports.ui.main;
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const Panel = imports.ui.panel;
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const Shell = imports.gi.Shell;
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const Big = imports.gi.Big;
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const AppDisplay = imports.ui.appDisplay;
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const DocDisplay = imports.ui.docDisplay;
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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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const SIDESHOW_PAD = 6;
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const SIDESHOW_PAD_BOTTOM = 40;
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const SIDESHOW_MIN_WIDTH = 250;
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const SIDESHOW_SECTION_PAD = 10;
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const SIDESHOW_SECTION_LABEL_PAD_BOTTOM = 6;
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const SIDESHOW_SEARCH_BG_COLOR = new Clutter.Color();
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SIDESHOW_SEARCH_BG_COLOR.from_pixel(0xffffffff);
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const SIDESHOW_TEXT_COLOR = new Clutter.Color();
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SIDESHOW_TEXT_COLOR.from_pixel(0xffffffff);
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// Time for initial animation going into overlay mode
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const ANIMATION_TIME = 0.5;
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// How much of the screen the workspace grid takes up
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const WORKSPACE_GRID_SCALE = 0.75;
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// Padding around workspace grid / Spacing between Sideshow and Workspaces
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const WORKSPACE_GRID_PADDING = 10;
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function Sideshow(parent, width) {
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this._init(parent, width);
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}
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Sideshow.prototype = {
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_init : function(parent, width) {
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let me = this;
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let global = Shell.Global.get();
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this.actor = new Clutter.Group();
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parent.add_actor(this.actor);
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let icontheme = Gtk.IconTheme.get_default();
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let rect = new Big.Box({ background_color: SIDESHOW_SEARCH_BG_COLOR,
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corner_radius: 4,
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x: SIDESHOW_PAD,
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y: Panel.PANEL_HEIGHT + SIDESHOW_PAD,
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width: width,
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height: 24});
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this.actor.add_actor(rect);
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let searchIconTexture = new Clutter.Texture({ x: SIDESHOW_PAD + 2,
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y: rect.y + 2 });
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let searchIconPath = icontheme.lookup_icon('gtk-find', 16, 0).get_filename();
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searchIconTexture.set_from_file(searchIconPath);
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this.actor.add_actor(searchIconTexture);
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// We need to initialize the text for the entry to have the cursor displayed
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// in it. See http://bugzilla.openedhand.com/show_bug.cgi?id=1365
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this._searchEntry = new Clutter.Entry({
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font_name: "Sans 14px",
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x: searchIconTexture.x
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+ searchIconTexture.width + 4,
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y: searchIconTexture.y,
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width: rect.width - (searchIconTexture.x),
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height: searchIconTexture.height,
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text: ""});
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this.actor.add_actor(this._searchEntry);
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global.stage.set_key_focus(this._searchEntry);
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this._searchQueued = false;
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this._searchActive = false;
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this._searchEntry.connect('notify::text', function (se, prop) {
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if (me._searchQueued)
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return;
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Mainloop.timeout_add(250, function() {
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let text = me._searchEntry.text;
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me._searchQueued = false;
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me._searchActive = text != '';
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me._appDisplay.setSearch(text);
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me._docDisplay.setSearch(text);
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return false;
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});
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});
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this._searchEntry.connect('activate', function (se) {
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// only one of the displays will have an item selected, so it's ok to
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// call activateSelected() on both of them
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me._appDisplay.activateSelected();
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me._docDisplay.activateSelected();
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return true;
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});
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this._searchEntry.connect('key-press-event', function (se, e) {
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let code = e.get_code();
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if (code == 9) {
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me._searchEntry.text = '';
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return true;
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} else if (code == 111) {
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// selectUp and selectDown wrap around in their respective displays
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// too, but there doesn't seem to be any flickering if we first select
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// something in one display, but then unset the selection, and move
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// it to the other display, so it's ok to do that.
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if (me._appDisplay.hasSelected() && !me._appDisplay.selectUp() && me._docDisplay.hasItems()) {
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me._appDisplay.unsetSelected();
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me._docDisplay.selectLastItem();
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} else if (me._docDisplay.hasSelected() && !me._docDisplay.selectUp() && me._appDisplay.hasItems()) {
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me._docDisplay.unsetSelected();
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me._appDisplay.selectLastItem();
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}
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return true;
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} else if (code == 116) {
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if (me._appDisplay.hasSelected() && !me._appDisplay.selectDown() && me._docDisplay.hasItems()) {
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me._appDisplay.unsetSelected();
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me._docDisplay.selectFirstItem();
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} else if (me._docDisplay.hasSelected() && !me._docDisplay.selectDown() && me._appDisplay.hasItems()) {
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me._docDisplay.unsetSelected();
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me._appDisplay.selectFirstItem();
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}
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return true;
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}
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return false;
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});
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let appsText = new Clutter.Label({ color: SIDESHOW_TEXT_COLOR,
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font_name: "Sans Bold 14px",
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text: "Applications",
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x: SIDESHOW_PAD,
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y: this._searchEntry.y + this._searchEntry.height + SIDESHOW_SECTION_PAD,
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height: 16});
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this.actor.add_actor(appsText);
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let sectionLabelHeight = appsText.height + SIDESHOW_SECTION_LABEL_PAD_BOTTOM
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let menuY = appsText.y + sectionLabelHeight;
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let itemDisplayHeight = global.screen_height - menuY - SIDESHOW_SECTION_PAD - sectionLabelHeight - SIDESHOW_PAD_BOTTOM;
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this._appDisplay = new AppDisplay.AppDisplay(width, itemDisplayHeight / 2);
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this._appDisplay.actor.x = SIDESHOW_PAD;
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this._appDisplay.actor.y = menuY;
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this.actor.add_actor(this._appDisplay.actor);
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let docsText = new Clutter.Label({ color: SIDESHOW_TEXT_COLOR,
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font_name: "Sans Bold 14px",
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text: "Recent Documents",
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x: SIDESHOW_PAD,
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y: menuY + (itemDisplayHeight / 2) + SIDESHOW_SECTION_PAD,
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height: 16});
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this.actor.add_actor(docsText);
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this._docDisplay = new DocDisplay.DocDisplay(width, itemDisplayHeight / 2);
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this._docDisplay.actor.x = SIDESHOW_PAD;
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this._docDisplay.actor.y = docsText.y + docsText.height + 6;
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this.actor.add_actor(this._docDisplay.actor);
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/* Proxy the activated signals */
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this._appDisplay.connect('activated', function(appDisplay) {
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me._searchEntry.text = '';
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// we allow clicking on an item to launch it, and this unsets the selection
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// so that we can move it to the item that was clicked on
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me._appDisplay.unsetSelected();
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me._docDisplay.unsetSelected();
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me._appDisplay.doActivate();
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me.emit('activated');
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});
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this._docDisplay.connect('activated', function(docDisplay) {
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me._searchEntry.text = '';
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// we allow clicking on an item to launch it, and this unsets the selection
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// so that we can move it to the item that was clicked on
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me._appDisplay.unsetSelected();
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me._docDisplay.unsetSelected();
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me._docDisplay.doActivate();
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me.emit('activated');
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});
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this._appDisplay.connect('redisplayed', function(appDisplay) {
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// This can be applicable if app display previously had the selection,
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// but it got updated and now has no items, so we can try to move
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// the selection to the doc display.
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if (!me._appDisplay.hasSelected() && !me._docDisplay.hasSelected())
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me._docDisplay.selectFirstItem();
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});
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this._docDisplay.connect('redisplayed', function(docDisplay) {
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if (!me._docDisplay.hasSelected() && !me._appDisplay.hasSelected())
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me._appDisplay.selectFirstItem();
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});
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},
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show: function() {
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this._appDisplay.selectFirstItem();
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if (!this._appDisplay.hasSelected())
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this._docDisplay.selectFirstItem();
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else
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this._docDisplay.unsetSelected();
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this._appDisplay.show();
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this._docDisplay.show();
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},
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hide: function() {
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}
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};
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Signals.addSignalMethods(Sideshow.prototype);
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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 me = this;
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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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// TODO - recalculate everything when desktop size changes
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let screenWidth = global.screen_width;
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let sideshowWidth = screenWidth - (screenWidth * WORKSPACE_GRID_SCALE) -
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2 * WORKSPACE_GRID_PADDING;
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this._sideshow = new Sideshow(this._group, sideshowWidth);
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this._sideshow.connect('activated', function(sideshow) {
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// TODO - have some sort of animation/effect while
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// transitioning to the new app. We definitely need
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// startup-notification integration at least.
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me._deactivate();
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});
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},
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show : function() {
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if (this.visible)
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return;
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this.visible = true;
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let global = Shell.Global.get();
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this._sideshow.show();
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this._workspaces = new Workspaces.Workspaces();
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this._group.add_actor(this._workspaces.actor);
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this._workspaces.actor.raise_top();
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// All the the actors in the window group are completely obscured,
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// hiding the group holding them while the overlay is displayed greatly
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// increases performance of the overlay especially when there are many
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// windows visible.
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//
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// If we switched to displaying the actors in the overlay rather than
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// clones of them, this would obviously no longer be necessary.
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global.window_group.hide();
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this._group.show();
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},
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hide : function() {
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if (!this.visible)
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return;
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this._workspaces.hide();
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// Dummy tween, just waiting for the workspace animation
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Tweener.addTween(this,
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{ time: ANIMATION_TIME,
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onComplete: this._hideDone,
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onCompleteScope: this
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});
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},
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_hideDone: function() {
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let global = Shell.Global.get();
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this.visible = false;
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global.window_group.show();
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this._group.hide();
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this._workspaces.destroy();
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this._workspaces = null;
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},
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_deactivate : function() {
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Main.hide_overlay();
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}
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};
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