Show icons corresponding to MIME types in the file browser plugin

plugins/filebrowser.c

@@ -185,13 +185,47 @@ static gboolean check_filtered(const gchar *base_name)
 }
 
 
+static GIcon *get_icon(const gchar *fname)
+{
+	GIcon *icon = NULL;
+	gchar *ctype;
+
+	ctype = g_content_type_guess(fname, NULL, 0, NULL);
+
+	if (ctype)
+	{
+		icon = g_content_type_get_icon(ctype);
+		if (icon)
+		{
+			GtkIconInfo *icon_info;
+
+			icon_info = gtk_icon_theme_lookup_by_gicon(gtk_icon_theme_get_default(), icon, 16, 0);
+			if (!icon_info)
+			{
+				g_object_unref(icon);
+				icon = NULL;
+			}
+			else
+				gtk_icon_info_free(icon_info);
+		}
+		g_free(ctype);
+	}
+
+	if (!icon)
+		icon = g_themed_icon_new("text-x-generic");
+
+	return icon;
+}
+
+
 /* name is in locale encoding */
 static void add_item(const gchar *name)
 {
 	GtkTreeIter iter;
 	gchar *fname, *utf8_name, *utf8_fullname;
 	const gchar *sep;
 	gboolean dir;
+	GIcon *icon;
 
 	if (G_UNLIKELY(EMPTY(name)))
 		return;
@@ -227,12 +261,15 @@ static void add_item(const gchar *name)
 
 		gtk_list_store_append(file_store, &iter);
 	}
+
+	icon = dir ? g_themed_icon_new("folder") : get_icon(utf8_name);
 	gtk_list_store_set(file_store, &iter,
-		FILEVIEW_COLUMN_ICON, (dir) ? GTK_STOCK_DIRECTORY : GTK_STOCK_FILE,
+		FILEVIEW_COLUMN_ICON, icon,
 		FILEVIEW_COLUMN_NAME, utf8_name,
 		FILEVIEW_COLUMN_FILENAME, utf8_fullname,
 		FILEVIEW_COLUMN_IS_DIR, dir,
 		-1);
+	g_object_unref(icon);
 done:
 	g_free(utf8_name);
 	g_free(utf8_fullname);
@@ -244,6 +281,7 @@ static void add_top_level_entry(void)
 {
 	GtkTreeIter iter;
 	gchar *utf8_dir;
+	GIcon *icon;
 
 	if (EMPTY(g_path_skip_root(current_dir)))
 		return;	/* ignore 'C:\' or '/' */
@@ -254,12 +292,14 @@ static void add_top_level_entry(void)
 	gtk_list_store_prepend(file_store, &iter);
 	last_dir_iter = gtk_tree_iter_copy(&iter);
 
+	icon = g_themed_icon_new("folder");
 	gtk_list_store_set(file_store, &iter,
-		FILEVIEW_COLUMN_ICON, GTK_STOCK_DIRECTORY,
+		FILEVIEW_COLUMN_ICON, icon,
 		FILEVIEW_COLUMN_NAME, "..",
 		FILEVIEW_COLUMN_FILENAME, utf8_dir,
 		FILEVIEW_COLUMN_IS_DIR, TRUE,
 		-1);
+	g_object_unref(icon);
 	g_free(utf8_dir);
 }
 
@@ -826,7 +866,7 @@ static void prepare_file_view(void)
 	GtkTreeViewColumn *column;
 	GtkTreeSelection *selection;
 
-	file_store = gtk_list_store_new(FILEVIEW_N_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
+	file_store = gtk_list_store_new(FILEVIEW_N_COLUMNS, G_TYPE_ICON, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_BOOLEAN);
 
 	gtk_tree_view_set_model(GTK_TREE_VIEW(file_view), GTK_TREE_MODEL(file_store));
 	g_object_unref(file_store);
@@ -835,7 +875,7 @@ static void prepare_file_view(void)
 	text_renderer = gtk_cell_renderer_text_new();
 	column = gtk_tree_view_column_new();
 	gtk_tree_view_column_pack_start(column, icon_renderer, FALSE);
-	gtk_tree_view_column_set_attributes(column, icon_renderer, "stock-id", FILEVIEW_COLUMN_ICON, NULL);
+	gtk_tree_view_column_set_attributes(column, icon_renderer, "gicon", FILEVIEW_COLUMN_ICON, NULL);
 	gtk_tree_view_column_pack_start(column, text_renderer, TRUE);
 	gtk_tree_view_column_set_attributes(column, text_renderer, "text", FILEVIEW_COLUMN_NAME, NULL);
 	gtk_tree_view_append_column(GTK_TREE_VIEW(file_view), column);