1 files changed, 183 insertions, 0 deletions
diff --git a/src/ui/themewidget.c b/src/ui/themewidget.c
new file mode 100644
index 00000000..2d4e99fe
--- /dev/null
+++ b/src/ui/themewidget.c
@@ -0,0 +1,183 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+
+/* Marco theme widget (displays themed draw operations) */
+
+/* 
+ * Copyright (C) 2002 Havoc Pennington
+ * 
+ * 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., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
+#include "themewidget.h"
+#include <math.h>
+
+static void meta_area_class_init (MetaAreaClass *klass);
+static void meta_area_init (MetaArea *area);
+static void meta_area_size_request (GtkWidget *widget,
+ GtkRequisition *req);
+static gint meta_area_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static void meta_area_finalize (GObject *object);
+
+
+static GtkMiscClass *parent_class;
+
+GType
+meta_area_get_type (void)
+{
+ static GType area_type = 0;
+
+ if (!area_type)
+ {
+ static const GtkTypeInfo area_info =
+ {
+ "MetaArea",
+ sizeof (MetaArea),
+ sizeof (MetaAreaClass),
+ (GtkClassInitFunc) meta_area_class_init,
+ (GtkObjectInitFunc) meta_area_init,
+ /* reserved_1 */ NULL,
+ /* reserved_2 */ NULL,
+ (GtkClassInitFunc) NULL,
+ };
+
+ area_type = gtk_type_unique (GTK_TYPE_MISC, &area_info);
+ }
+
+ return area_type;
+}
+
+static void
+meta_area_class_init (MetaAreaClass *class)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+
+ object_class = (GtkObjectClass*) class;
+ widget_class = (GtkWidgetClass*) class;
+ parent_class = g_type_class_peek (gtk_misc_get_type ());
+
+ gobject_class->finalize = meta_area_finalize;
+
+ widget_class->expose_event = meta_area_expose;
+ widget_class->size_request = meta_area_size_request;
+}
+
+static void
+meta_area_init (MetaArea *area)
+{
+ GTK_WIDGET_SET_FLAGS (area, GTK_NO_WINDOW);
+}
+
+GtkWidget*
+meta_area_new (void)
+{
+ MetaArea *area;
+ 
+ area = gtk_type_new (META_TYPE_AREA);
+ 
+ return GTK_WIDGET (area);
+}
+
+static void
+meta_area_finalize (GObject *object)
+{
+ MetaArea *area;
+
+ area = META_AREA (object);
+ 
+ if (area->dnotify)
+ (* area->dnotify) (area->user_data);
+ 
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gint
+meta_area_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ MetaArea *area;
+ GtkMisc *misc;
+ gint x, y;
+ gfloat xalign;
+
+ g_return_val_if_fail (META_IS_AREA (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (GTK_WIDGET_DRAWABLE (widget))
+ {
+ area = META_AREA (widget);
+ misc = GTK_MISC (widget);
+
+ if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
+ xalign = misc->xalign;
+ else
+ xalign = 1.0 - misc->xalign;
+ 
+ x = floor (widget->allocation.x + misc->xpad
+ + ((widget->allocation.width - widget->requisition.width) * xalign)
+ + 0.5);
+ y = floor (widget->allocation.y + misc->ypad 
+ + ((widget->allocation.height - widget->requisition.height) * misc->yalign)
+ + 0.5);
+ 
+ if (area->expose_func)
+ {
+ (* area->expose_func) (area, event, x, y,
+ area->user_data);
+ }
+ }
+ 
+ return FALSE;
+}
+
+static void
+meta_area_size_request (GtkWidget *widget,
+ GtkRequisition *req)
+{
+ MetaArea *area;
+
+ area = META_AREA (widget);
+ 
+ req->width = 0;
+ req->height = 0;
+ 
+ if (area->size_func)
+ {
+ (* area->size_func) (area, &req->width, &req->height,
+ area->user_data);
+ }
+}
+
+void
+meta_area_setup (MetaArea *area,
+ MetaAreaSizeFunc size_func,
+ MetaAreaExposeFunc expose_func,
+ void *user_data,
+ GDestroyNotify dnotify)
+{
+ if (area->dnotify)
+ (* area->dnotify) (area->user_data);
+ 
+ area->size_func = size_func;
+ area->expose_func = expose_func;
+ area->user_data = user_data;
+ area->dnotify = dnotify;
+
+ gtk_widget_queue_resize (GTK_WIDGET (area));
+}
+