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appDisplay: make the categories list scrollable, if necessary

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https://bugzilla.gnome.org/show_bug.cgi?id=651082
This commit is contained in:
Dan Winship 2011-06-14 16:02:36 -04:00
parent 3e74dfb66d
commit 6d5e414863
1 changed files with 5 additions and 11 deletions
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16
js/ui/appDisplay.js
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@ -172,10 +172,12 @@ ViewByCategories.prototype = {
// (used only before the actor is mapped the first time)
this._currentCategory = -2;
this._filters = new St.BoxLayout({ vertical: true, reactive: true });
this._filters.connect('scroll-event', Lang.bind(this, this._scrollFilter));
this._filtersBox = new St.ScrollView({ x_fill: false,
y_fill: false,
style_class: 'vfade' });
this._filtersBox.add_actor(this._filters);
this.actor.add(this._view.actor, { expand: true, x_fill: true, y_fill: true });
this.actor.add(this._filters, { expand: false, y_fill: false, y_align: St.Align.START });
this.actor.add(this._filtersBox, { expand: false, y_fill: false, y_align: St.Align.START });
// Always select the "All" filter when switching to the app view
this.actor.connect('notify::mapped', Lang.bind(this,
@ -193,14 +195,6 @@ ViewByCategories.prototype = {
this.actor.add(this._focusDummy);
},
_scrollFilter: function(actor, event) {
let direction = event.get_scroll_direction();
if (direction == Clutter.ScrollDirection.UP)
this._selectCategory(Math.max(this._currentCategory - 1, -1))
else if (direction == Clutter.ScrollDirection.DOWN)
this._selectCategory(Math.min(this._currentCategory + 1, this._sections.length - 1));
},
_selectCategory: function(num) {
if (this._currentCategory == num) // nothing to do
return;