viewSelector: Clean up focusTrap in search results

Rather than relying on implementation details of StWidget's keyboard
navigation to "hide" the focusTrap from arrow key navigation, implement
the desired behavior explicitly in a custom widget.

https://bugzilla.gnome.org/show_bug.cgi?id=663901
This commit is contained in:
Florian Müllner 2012-03-10 01:33:31 +01:00
parent 4b60a8deb8
commit ea14d74141

View File

@ -21,6 +21,19 @@ const Wanda = imports.ui.wanda;
const WorkspacesView = imports.ui.workspacesView; const WorkspacesView = imports.ui.workspacesView;
const FocusTrap = new Lang.Class({
Name: 'FocusTrap',
Extends: St.Widget,
vfunc_navigate_focus: function(from, direction) {
if (direction == Gtk.DirectionType.TAB_FORWARD ||
direction == Gtk.DirectionType.TAB_BACKWARD)
return this.parent(from, direction);
return false;
}
});
const ViewSelector = new Lang.Class({ const ViewSelector = new Lang.Class({
Name: 'ViewSelector', Name: 'ViewSelector',
@ -94,17 +107,11 @@ const ViewSelector = new Lang.Class({
// Since the entry isn't inside the results container we install this // Since the entry isn't inside the results container we install this
// dummy widget as the last results container child so that we can // dummy widget as the last results container child so that we can
// include the entry in the keynav tab path... // include the entry in the keynav tab path
this._focusTrap = new St.Bin({ can_focus: true }); this._focusTrap = new FocusTrap({ can_focus: true });
this._focusTrap.connect('key-focus-in', Lang.bind(this, function() { this._focusTrap.connect('key-focus-in', Lang.bind(this, function() {
this._entry.grab_key_focus(); this._entry.grab_key_focus();
})); }));
// ... but make it unfocusable using arrow keys keynav by making its
// bounding box always contain the possible focus source's bounding
// box since StWidget's keynav logic won't ever select it as a target
// in that case.
this._focusTrap.add_constraint(new Clutter.BindConstraint({ source: this._searchResults.actor,
coordinate: Clutter.BindCoordinate.ALL }));
this._searchResults.actor.add_actor(this._focusTrap); this._searchResults.actor.add_actor(this._focusTrap);
global.focus_manager.add_group(this._searchResults.actor); global.focus_manager.add_group(this._searchResults.actor);