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[AppSwitcher] Implement pointer selection

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This commit is contained in:
Dan Winship 2009-09-21 13:44:42 -04:00
parent 9fee99bc7a
commit eb025901c8
1 changed files with 31 additions and 0 deletions
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31
js/ui/altTab.js
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@ -20,6 +20,8 @@ const POPUP_GRID_SPACING = 8;
const POPUP_ICON_SIZE = 48;
const POPUP_NUM_COLUMNS = 5;
const POPUP_POINTER_SELECTION_THRESHOLD = 3;
function AltTabPopup() {
this._init();
}
@ -59,6 +61,8 @@ AltTabPopup.prototype = {
appIcon.connect('menu-popped-up', Lang.bind(this, this._menuPoppedUp));
appIcon.connect('menu-popped-down', Lang.bind(this, this._menuPoppedDown));
appIcon.actor.connect('enter-event', Lang.bind(this, this._iconEntered));
// FIXME?
appIcon.actor.border = 2;
@ -87,6 +91,10 @@ AltTabPopup.prototype = {
this._keyPressEventId = global.stage.connect('key-press-event', Lang.bind(this, this._keyPressEvent));
this._keyReleaseEventId = global.stage.connect('key-release-event', Lang.bind(this, this._keyReleaseEvent));
this._motionEventId = this.actor.connect('motion-event', Lang.bind(this, this._mouseMoved));
this._mouseActive = false;
this._mouseMovement = 0;
// Contruct the AppIcons, sort by time, add to the popup
let icons = [];
for (let i = 0; i < apps.length; i++)
@ -156,6 +164,29 @@ AltTabPopup.prototype = {
this._highlightWindow(window);
},
_mouseMoved : function(actor, event) {
if (++this._mouseMovement < POPUP_POINTER_SELECTION_THRESHOLD)
return;
this.actor.disconnect(this._motionEventId);
this._mouseActive = true;
actor = event.get_source();
while (actor) {
if (actor._delegate instanceof AppIcon.AppIcon) {
this._iconEntered(actor, event);
return;
}
actor = actor.get_parent();
}
},
_iconEntered : function(actor, event) {
let index = this._icons.indexOf(actor._delegate);
if (this._mouseActive)
this._updateSelection(index - this._selected);
},
destroy : function() {
this.actor.destroy();
},