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Diffstat (limited to 'src/utilities/icon.vala')
-rw-r--r-- | src/utilities/icon.vala | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/src/utilities/icon.vala b/src/utilities/icon.vala deleted file mode 100644 index 1c8a9f4..0000000 --- a/src/utilities/icon.vala +++ /dev/null @@ -1,102 +0,0 @@ -/* -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 class representing a square-shaped icon, loaded from the users -/// icon theme. -///////////////////////////////////////////////////////////////////////// - -public class Icon : Image { - - ///////////////////////////////////////////////////////////////////// - /// A cache which stores loaded icon. It is cleared when the icon - /// theme of the user changes. The key is in form <filename>@<size>. - ///////////////////////////////////////////////////////////////////// - - private static Gee.HashMap<string, Cairo.ImageSurface?> cache { private get; private set; } - - ///////////////////////////////////////////////////////////////////// - /// Initializes the cache. - ///////////////////////////////////////////////////////////////////// - - public static void init() { - clear_cache(); - - Gtk.IconTheme.get_default().changed.connect(() => { - clear_cache(); - }); - } - - ///////////////////////////////////////////////////////////////////// - /// Clears the cache. - ///////////////////////////////////////////////////////////////////// - - public static void clear_cache() { - cache = new Gee.HashMap<string, Cairo.ImageSurface?>(); - } - - ///////////////////////////////////////////////////////////////////// - /// Loads an icon from the current icon theme of the user. - ///////////////////////////////////////////////////////////////////// - - public Icon(string icon_name, int size) { - var cached = this.cache.get("%s@%u".printf(icon_name, size)); - - if (cached == null) { - this.load_file_at_size(this.get_icon_file(icon_name, size), size, size); - this.cache.set("%s@%u".printf(icon_name, size), this.surface); - } else { - this.surface = cached; - } - } - - ///////////////////////////////////////////////////////////////////// - /// Returns the size of the icon in pixels. Greetings to Liskov. - ///////////////////////////////////////////////////////////////////// - - public int size() { - return base.width(); - } - - ///////////////////////////////////////////////////////////////////// - /// Returns the filename for a given system icon. - ///////////////////////////////////////////////////////////////////// - - public static string get_icon_file(string icon_name, int size) { - string result = ""; - - var icon_theme = Gtk.IconTheme.get_default(); - var file = icon_theme.lookup_icon(icon_name, size, 0); - if (file != null) result = file.get_filename(); - - if (result == "") { - warning("Icon \"" + icon_name + "\" not found! Using default icon..."); - icon_name = "application-default-icon"; - file = icon_theme.lookup_icon(icon_name, size, 0); - if (file != null) result = file.get_filename(); - } - - if (result == "") - warning("Icon \"" + icon_name + "\" not found! Will be ugly..."); - - return result; - } -} - -} |