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authorAlessandro Ghedini <al3xbio@gmail.com>2012-01-21 19:07:09 +0100
committerAlessandro Ghedini <al3xbio@gmail.com>2012-01-21 19:07:09 +0100
commit60560a030fda3c539ff9dc1563b9926414a193da (patch)
tree77590b395685a8d48d3615e45629a1610d08c071 /src/gui/pieComboList.vala
parentd6b2677825cbb423e2099563c16321c3e23d7899 (diff)
Imported Upstream version 0.4.0upstream/0.4.0
Diffstat (limited to 'src/gui/pieComboList.vala')
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+/*
+Copyright (c) 2011 by Simon Schneegans
+
+This program is free software: you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the Free
+Software Foundation, either version 3 of the License, or (at your option)
+any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+namespace GnomePie {
+
+/////////////////////////////////////////////////////////////////////////
+/// A drop-down list, containing one entry for each existing Pie.
+/////////////////////////////////////////////////////////////////////////
+
+class PieComboList : Gtk.ComboBox {
+
+ /////////////////////////////////////////////////////////////////////
+ /// This signal gets emitted when the user selects a new Pie.
+ /////////////////////////////////////////////////////////////////////
+
+ public signal void on_select(string id);
+
+ /////////////////////////////////////////////////////////////////////
+ /// The currently selected row.
+ /////////////////////////////////////////////////////////////////////
+
+ public string current_id { get; private set; default=""; }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Stores the data internally.
+ /////////////////////////////////////////////////////////////////////
+
+ private Gtk.ListStore data;
+ private enum DataPos {ICON, NAME, ID}
+
+ /////////////////////////////////////////////////////////////////////
+ /// C'tor, constructs the Widget.
+ /////////////////////////////////////////////////////////////////////
+
+ public PieComboList() {
+ GLib.Object();
+
+ this.data = new Gtk.ListStore(3, typeof(Gdk.Pixbuf),
+ typeof(string),
+ typeof(string));
+
+ this.data.set_sort_column_id(1, Gtk.SortType.ASCENDING);
+
+ base.set_model(this.data);
+
+ var icon_render = new Gtk.CellRendererPixbuf();
+ icon_render.xpad = 4;
+ this.pack_start(icon_render, false);
+
+ var name_render = new Gtk.CellRendererText();
+ this.pack_start(name_render, true);
+
+ this.add_attribute(icon_render, "pixbuf", DataPos.ICON);
+ this.add_attribute(name_render, "markup", DataPos.NAME);
+
+ this.changed.connect(() => {
+ Gtk.TreeIter active;
+ if (this.get_active_iter(out active)) {
+ string id = "";
+ this.data.get(active, DataPos.ID, out id);
+ this.on_select(id);
+ this.current_id = id;
+ }
+ });
+
+ reload();
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Loads all existing Pies to the list.
+ /////////////////////////////////////////////////////////////////////
+
+ public void reload() {
+ Gtk.TreeIter active;
+ string id = "";
+ if (this.get_active_iter(out active))
+ this.data.get(active, DataPos.ID, out id);
+
+ data.clear();
+ foreach (var pie in PieManager.all_pies.entries) {
+ this.load_pie(pie.value);
+ }
+
+ select_first();
+ select(id);
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Selects the first Pie.
+ /////////////////////////////////////////////////////////////////////
+
+ public void select_first() {
+ Gtk.TreeIter active;
+
+ if(this.data.get_iter_first(out active) ) {
+ this.set_active_iter(active);
+ string id = "";
+ this.data.get(active, DataPos.ID, out id);
+ this.on_select(id);
+ this.current_id = id;
+ } else {
+ this.on_select("");
+ this.current_id = "";
+ }
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Selects the Pie with the given ID.
+ /////////////////////////////////////////////////////////////////////
+
+ public void select(string id) {
+ this.data.foreach((model, path, iter) => {
+ string pie_id;
+ this.data.get(iter, DataPos.ID, out pie_id);
+
+ if (id == pie_id) {
+ this.set_active_iter(iter);
+ return true;
+ }
+
+ return false;
+ });
+ }
+
+ /////////////////////////////////////////////////////////////////////
+ /// Loads one given pie to the list.
+ /////////////////////////////////////////////////////////////////////
+
+ private void load_pie(Pie pie) {
+ if (pie.id.length == 3) {
+ Gtk.TreeIter last;
+ this.data.append(out last);
+ var icon = new Icon(pie.icon, 24);
+ this.data.set(last, DataPos.ICON, icon.to_pixbuf(),
+ DataPos.NAME, pie.name,
+ DataPos.ID, pie.id);
+ }
+ }
+}
+
+}