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/* -*- Mode: Vala; indent-tabs-mode: nil; tab-width: 4 -*-
*
* Copyright (C) 2012 Canonical Ltd
* Copyright (C) 2015,2017 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* 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/>.
*
* Authors: Michael Terry <michael.terry@canonical.com>
* Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
*/
public class ToggleBox : Gtk.Box
{
public string default_key {get; construct;}
public string starting_key {get; construct;}
public string selected_key {get; protected set;}
public static string font = AGSettings.get_string (AGSettings.KEY_FONT_NAME);
public static string font_family = "sans";
public static int font_size = 11;
public ToggleBox (string? default_key, string? starting_key)
{
Object (default_key: default_key, starting_key: starting_key,
selected_key: starting_key);
/* Split font family and size via regular expression. */
Regex font_regexp = new Regex ("^([[:blank:]]*)(?<font_family>[ a-zA-Z0-9]+) (?<font_size>[0-9]+)([[:blank:]]*)$");
MatchInfo font_info;
if (font_regexp.match(font, 0, out font_info)) {
font_family = font_info.fetch_named("font_family");
font_size = int.parse(font_info.fetch_named("font_size"));
}
debug ("Using font family '%s'.", font_family);
debug ("Using font size base '%d'.", font_size);
}
public void add_item (string key, string label, Gdk.Pixbuf? icon)
{
var item = make_button (key, label, icon);
if (get_children () == null ||
(starting_key == null && default_key == key) ||
starting_key == key)
select (item);
item.show ();
add (item);
}
public void set_normal_button_style (Gtk.Button button)
{
try
{
/* Tighten padding on buttons to not be so large, default color scheme for buttons */
var style = new Gtk.CssProvider ();
style.load_from_data ("* {padding: 8px;}\n"+
"GtkButton {\n"+
" background-color: %s;\n".printf("rgba(0,0,0,0)")+
" background-image: none;"+
"}\n"+
".button:hover,\n"+
".button:hover:active {\n"+
" background-color: %s;\n".printf(AGSettings.get_string (AGSettings.KEY_TOGGLEBOX_BUTTON_BGCOLOR))+
"}\n", -1);
button.get_style_context ().add_provider (style, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
}
catch (Error e)
{
debug ("Internal error loading session chooser style: %s", e.message);
}
return;
}
private Gtk.Button selected_button;
construct
{
orientation = Gtk.Orientation.VERTICAL;
}
public override bool draw (Cairo.Context c)
{
Gtk.Allocation allocation;
get_allocation (out allocation);
CairoUtils.rounded_rectangle (c, 0, 0, allocation.width,
allocation.height, 0.1 * grid_size);
c.set_source_rgba (0.5, 0.5, 0.5, 0.5);
c.set_line_width (1);
c.stroke ();
return base.draw (c);
}
private void select (Gtk.Button button)
{
if (selected_button != null)
{
selected_button.get_style_context ().remove_class ("selected");
set_normal_button_style (selected_button);
}
selected_button = button;
selected_key = selected_button.get_data<string> ("toggle-list-key");
var bg_color = Gdk.RGBA ();
bg_color.parse (AGSettings.get_string (AGSettings.KEY_TOGGLEBOX_BUTTON_BGCOLOR));
selected_button.override_background_color(Gtk.StateFlags.NORMAL, bg_color);
}
private Gtk.Button make_button (string key, string name_in, Gdk.Pixbuf? icon)
{
var item = new FlatButton ();
item.relief = Gtk.ReliefStyle.NONE;
item.clicked.connect (button_clicked_cb);
var hbox = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 6);
if (icon != null)
{
var image = new CachedImage (icon);
hbox.pack_start (image, false, false, 0);
}
var name = name_in;
if (key == default_key)
{
/* Translators: %s is a session name like KDE or Ubuntu */
name = _("%s (Default)").printf (name);
}
var label = new Gtk.Label (null);
label.set_markup ("<span font=\"%s %d\" fgcolor=\"%s\">%s</span>".printf (font_family, font_size+2, AGSettings.get_string (AGSettings.KEY_TOGGLEBOX_FONT_FGCOLOR), name));
label.halign = Gtk.Align.START;
hbox.pack_start (label, true, true, 0);
item.hexpand = true;
item.add (hbox);
hbox.show_all ();
set_normal_button_style (item);
item.set_data<string> ("toggle-list-key", key);
return item;
}
private void button_clicked_cb (Gtk.Button button)
{
selected_key = button.get_data<string> ("toggle-list-key");
}
public override void grab_focus ()
{
if (selected_button != null)
selected_button.grab_focus ();
}
}
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