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/////////////////////////////////////////////////////////////////////////
// Copyright (c) 2011-2016 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 widget displaying all available themes of Gnome-Pie.
/////////////////////////////////////////////////////////////////////////
class ThemeList : Gtk.TreeView {
/////////////////////////////////////////////////////////////////////
/// This signal gets emitted, when a new theme is selected by the
/// user. This new theme is applied automatically, with this signal
/// actions may be triggered which should be executed AFTER the
/// change to a new theme.
/////////////////////////////////////////////////////////////////////
public signal void on_select_new();
/////////////////////////////////////////////////////////////////////
/// The currently selected row.
/////////////////////////////////////////////////////////////////////
private Gtk.TreeIter active { private get; private set; }
/////////////////////////////////////////////////////////////////////
/// The positions in the data list store.
/////////////////////////////////////////////////////////////////////
private enum DataPos {ICON, NAME}
/////////////////////////////////////////////////////////////////////
/// C'tor, constructs the Widget.
/////////////////////////////////////////////////////////////////////
public ThemeList() {
GLib.Object();
this.set_headers_visible(true);
this.set_grid_lines(Gtk.TreeViewGridLines.NONE);
this.set_fixed_height_mode(true);
var main_column = new Gtk.TreeViewColumn();
main_column.title = _("Themes");
main_column.set_sizing(Gtk.TreeViewColumnSizing.FIXED);
var icon_render = new Gtk.CellRendererPixbuf();
icon_render.xpad = 4;
icon_render.ypad = 4;
main_column.pack_start(icon_render, false);
var name_render = new Gtk.CellRendererText();
name_render.xpad = 6;
main_column.pack_start(name_render, true);
this.append_column(main_column);
main_column.add_attribute(icon_render, "pixbuf", DataPos.ICON);
main_column.add_attribute(name_render, "markup", DataPos.NAME);
this.get_selection().changed.connect(() => {
Gtk.TreeIter active;
if (this.get_selection().get_selected(null, out active)) {
Timeout.add(10, () => {
int index = int.parse(this.model.get_path(active).to_string());
Config.global.theme = Config.global.themes[index];
this.on_select_new();
Config.global.theme.load();
Config.global.theme.load_images();
return false;
});
}
});
reload();
}
public void reload() {
var data = new Gtk.ListStore(2, typeof(Gdk.Pixbuf),
typeof(string));
this.set_model(data);
// load all themes into the list
var themes = Config.global.themes;
foreach(var theme in themes) {
Gtk.TreeIter current;
data.append(out current);
data.set(current, DataPos.ICON, theme.preview_icon.to_pixbuf());
data.set(current, DataPos.NAME, GLib.Markup.escape_text(theme.name)+"\n"
+ "<span font-size='x-small'>" + GLib.Markup.escape_text(theme.description)
+ " - <i>"+GLib.Markup.escape_text(_("by")+" "+theme.author)
+ "</i></span>");
if(theme == Config.global.theme) {
get_selection().select_iter(current);
this.scroll_to_cell(get_selection().get_selected_rows(null).nth_data(0), null, true, 0.5f, 0.5f);
}
}
}
}
}
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