diff -r 000000000000 -r 7fbec6da8123 plover-gtk/stockicons.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plover-gtk/stockicons.c	Mon Nov 17 11:36:20 2014 +0000
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2010  J. Ali Harlow <ali@juiblex.co.uk>
+ *
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include <stdlib.h>
+#ifdef WIN32
+#include <windows.h>
+#endif	/* WIN32 */
+#include <glib.h>
+#include <gtk/gtk.h>
+#include <plover-gtk/stockicons.h>
+
+/* Checks whether a loader for SVG files has been registered
+ * with GdkPixbuf.
+ */
+static gboolean plover_pixbuf_supports_svg(void)
+{
+    GSList *formats;
+    GSList *tmp_list;
+    static gint found_svg=-1;
+    gchar **mime_types,**mime_type;
+    if (found_svg!=-1)
+	return found_svg;
+    formats=gdk_pixbuf_get_formats();
+    found_svg=FALSE;
+    for (tmp_list=formats;tmp_list && !found_svg;tmp_list=tmp_list->next)
+    {
+	mime_types=gdk_pixbuf_format_get_mime_types(tmp_list->data);
+	for (mime_type=mime_types;*mime_type && !found_svg;mime_type++)
+	    if (!strcmp(*mime_type,"image/svg"))
+		found_svg=TRUE;
+	g_strfreev(mime_types);
+    }
+    g_slist_free(formats);
+    return found_svg;
+}
+
+static void plover_install_icon_at_size(const char *icon_name,
+  GtkIconSet *icon_set,GtkIconSize size,const char *filename)
+{
+    int w,h;
+    GdkPixbuf *pixbuf;
+    GtkIconSource *source;
+    if (gtk_icon_size_lookup(size,&w,&h))
+    {
+	pixbuf=gdk_pixbuf_new_from_file_at_size(filename,w,h,NULL);
+	if (pixbuf)
+	{
+	    source=gtk_icon_source_new();
+	    gtk_icon_source_set_size_wildcarded(source,FALSE);
+	    gtk_icon_source_set_size(source,size);
+	    gtk_icon_source_set_pixbuf(source,pixbuf);
+	    gtk_icon_set_add_source(icon_set,source);
+	    gtk_icon_source_free(source);
+	    g_object_unref(pixbuf);
+	}
+    }
+}
+
+/**
+ * plover_icons_add_to_stock:
+ * @type: The icon type, typically "apps" or "mimetype"
+ * @name: The icon name (the basename of files containing the icons)
+ *
+ * Find icons in <datadir>/icons/hicolor and add them to the stock images
+ * so that, for example, gtk_image_new_from_stock() will be able find them.
+ *
+ * If there is an SVG loader registered with GdkPixbuf, then:
+ * <datadir>/icons/hicolor/scalable/@type/@name.svg will be used. Otherwise,
+ * <datadir>/icons/hicolor/24x24/@type/@name.png and
+ * <datadir>/icons/hicolor/48x48/@type/@name.png will be used.
+ */
+void plover_icons_add_to_stock(const char *type,const char *name)
+{
+    gchar *prefix,*s,*filename;
+    GtkIconSource *source;
+    GtkIconSet *icon_set;
+    GtkIconFactory *factory;
+    factory=gtk_icon_factory_new();
+    icon_set=gtk_icon_set_new();
+#ifdef WIN32
+    prefix=g_win32_get_package_installation_directory_of_module(NULL);
+#else
+    prefix=NULL;
+#endif
+    if (plover_pixbuf_supports_svg())
+    {
+	source=gtk_icon_source_new();
+	s=g_strconcat(name,".svg");
+	filename=g_build_filename(prefix?prefix:"/usr",
+	  "share/icons/hicolor/scalable",type,s,NULL);
+	g_free(s);
+	gtk_icon_source_set_filename(source,filename);
+	g_free(filename);
+	gtk_icon_set_add_source(icon_set,source);
+	gtk_icon_source_free(source);
+    }
+    else
+    {
+	s=g_strconcat(name,".png");
+	filename=g_build_filename(prefix?prefix:"/usr",
+	  "share/icons/hicolor/24x24",type,s,NULL);
+	plover_install_icon_at_size(name,icon_set,GTK_ICON_SIZE_MENU,
+	  filename);
+	plover_install_icon_at_size(name,icon_set,GTK_ICON_SIZE_BUTTON,
+	  filename);
+	plover_install_icon_at_size(name,icon_set,GTK_ICON_SIZE_SMALL_TOOLBAR,
+	  filename);
+	plover_install_icon_at_size(name,icon_set,GTK_ICON_SIZE_LARGE_TOOLBAR,
+	  filename);
+	g_free(filename);
+	filename=g_build_filename(prefix?prefix:"/usr",
+	  "share/icons/hicolor/48x48",type,s,NULL);
+	plover_install_icon_at_size(name,icon_set,GTK_ICON_SIZE_DND,
+	  filename);
+	plover_install_icon_at_size(name,icon_set,GTK_ICON_SIZE_DIALOG,
+	  filename);
+	g_free(filename);
+	g_free(s);
+    }
+    gtk_icon_factory_add(factory,name,icon_set);
+    gtk_icon_set_unref(icon_set);
+    //icon_set=gtk_icon_factory_lookup(factory,name);
+    gtk_icon_factory_add_default(factory);
+    g_object_unref(factory);
+}