St: drop StClickable, add some functionality to StButton
For historical reasons, we had both StClickable and StButton, which were nearly identical. StButton was more widely-used, so keep that and port all StClickable users to that. https://bugzilla.gnome.org/show_bug.cgi?id=640583
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@ -612,10 +612,10 @@ Panel.prototype = {
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/* Button on the left side of the panel. */
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/* Translators: If there is no suitable word for "Activities" in your language, you can use the word for "Overview". */
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let label = new St.Label({ text: _("Activities") });
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this.button = new St.Clickable({ name: 'panelActivities',
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style_class: 'panel-button',
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reactive: true,
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can_focus: true });
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this.button = new St.Button({ name: 'panelActivities',
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style_class: 'panel-button',
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reactive: true,
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can_focus: true });
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this.button.set_child(label);
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this.button._delegate = this.button;
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this.button._xdndTimeOut = 0;
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@ -712,7 +712,7 @@ Panel.prototype = {
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// We get into the Overview mode on button-press-event as opposed to button-release-event because eventually we'll probably
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// have the Overview act like a menu that allows the user to release the mouse on the activity the user wants
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// to switch to.
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this.button.connect('clicked', Lang.bind(this, function(b, event) {
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this.button.connect('clicked', Lang.bind(this, function(b) {
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if (!Main.overview.animationInProgress) {
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this._maybeToggleOverviewOnClick();
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return true;
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@ -724,10 +724,10 @@ Panel.prototype = {
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// pressing the System key, Alt+F1 or Esc. We want the button to be pressed in when the Overview is entered
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// and to be released when it is exited regardless of how it was triggered.
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Main.overview.connect('showing', Lang.bind(this, function() {
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this.button.active = true;
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this.button.checked = true;
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}));
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Main.overview.connect('hiding', Lang.bind(this, function() {
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this.button.active = false;
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this.button.checked = false;
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}));
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Main.chrome.addActor(this.actor, { visibleInOverview: true });
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