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const Lang = imports.lang;
const Gdk = imports.gi.Gdk;
const GdkPixbuf = imports.gi.GdkPixbuf;
const Gtk = imports.gi.Gtk;
const SideBarButton = new Lang.Class({
Name: 'EndlessSideBarButton',
Extends: Gtk.Button,
// This is a button for the article list widget. It has a label and an icon image.
// The icon image will only appear on hover or press of button
_init: function(hover_icon_path, params) {
this.parent(params);
this.set_size_request(40, -1);
this._image = new Gtk.Image({
resource: hover_icon_path,
no_show_all: true
});
this.add(this._image);
this.connect('state-changed', Lang.bind(this, this._update_appearance));
},
_update_appearance: function(widget, state) {
// If button is hovered over and/or pressed, then show the arrow icon
if (widget.get_state_flags() & Gtk.StateFlags.ACTIVE ||
widget.get_state_flags() & Gtk.StateFlags.PRELIGHT) {
this._image.show();
return false; // don't block event
}
// If no hover or press, then hide the arrow icon
this._image.hide();
return false; // don't block event
}
});
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