Initial revision

1 files changed, 146 insertions, 0 deletions

diff --git a/gtk/gtkdrawingarea.c b/gtk/gtkdrawingarea.c
new file mode 100644
index 0000000000..3220446a5c
--- /dev/null
+++ b/gtk/gtkdrawingarea.c
@@ -0,0 +1,146 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "gtkdrawingarea.h"
+
+
+static void gtk_drawing_area_class_init    (GtkDrawingAreaClass *klass);
+static void gtk_drawing_area_init          (GtkDrawingArea      *darea);
+static void gtk_drawing_area_realize       (GtkWidget           *widget);
+static void gtk_drawing_area_size_allocate (GtkWidget           *widget,
+					    GtkAllocation       *allocation);
+
+
+guint
+gtk_drawing_area_get_type ()
+{
+  static guint drawing_area_type = 0;
+
+  if (!drawing_area_type)
+    {
+      GtkTypeInfo drawing_area_info =
+      {
+	"GtkDrawingArea",
+	sizeof (GtkDrawingArea),
+	sizeof (GtkDrawingAreaClass),
+	(GtkClassInitFunc) gtk_drawing_area_class_init,
+	(GtkObjectInitFunc) gtk_drawing_area_init,
+	(GtkArgFunc) NULL,
+      };
+
+      drawing_area_type = gtk_type_unique (gtk_widget_get_type (), &drawing_area_info);
+    }
+
+  return drawing_area_type;
+}
+
+static void
+gtk_drawing_area_class_init (GtkDrawingAreaClass *class)
+{
+  GtkWidgetClass *widget_class;
+
+  widget_class = (GtkWidgetClass*) class;
+
+  widget_class->realize = gtk_drawing_area_realize;
+  widget_class->size_allocate = gtk_drawing_area_size_allocate;
+}
+
+static void
+gtk_drawing_area_init (GtkDrawingArea *darea)
+{
+  GTK_WIDGET_SET_FLAGS (darea, GTK_BASIC);
+}
+
+
+GtkWidget*
+gtk_drawing_area_new ()
+{
+  return GTK_WIDGET (gtk_type_new (gtk_drawing_area_get_type ()));
+}
+
+void
+gtk_drawing_area_size (GtkDrawingArea *darea,
+		       gint            width,
+		       gint            height)
+{
+  g_return_if_fail (darea != NULL);
+  g_return_if_fail (GTK_IS_DRAWING_AREA (darea));
+
+  GTK_WIDGET (darea)->requisition.width = width;
+  GTK_WIDGET (darea)->requisition.height = height;
+}
+
+static void
+gtk_drawing_area_realize (GtkWidget *widget)
+{
+  GtkDrawingArea *darea;
+  GdkWindowAttr attributes;
+  gint attributes_mask;
+
+  g_return_if_fail (widget != NULL);
+  g_return_if_fail (GTK_IS_DRAWING_AREA (widget));
+
+  darea = GTK_DRAWING_AREA (widget);
+  GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+
+  attributes.window_type = GDK_WINDOW_CHILD;
+  attributes.x = widget->allocation.x;
+  attributes.y = widget->allocation.y;
+  attributes.width = widget->allocation.width;
+  attributes.height = widget->allocation.height;
+  attributes.wclass = GDK_INPUT_OUTPUT;
+  attributes.visual = gtk_widget_get_visual (widget);
+  attributes.colormap = gtk_widget_get_colormap (widget);
+  attributes.event_mask = gtk_widget_get_events (widget);
+
+  attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL | GDK_WA_COLORMAP;
+
+  widget->window = gdk_window_new (widget->parent->window, &attributes, attributes_mask);
+  gdk_window_set_user_data (widget->window, darea);
+
+  widget->style = gtk_style_attach (widget->style, widget->window);
+  gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
+}
+
+static void
+gtk_drawing_area_size_allocate (GtkWidget     *widget,
+				GtkAllocation *allocation)
+{
+  GdkEventConfigure event;
+
+  g_return_if_fail (widget != NULL);
+  g_return_if_fail (GTK_IS_DRAWING_AREA (widget));
+  g_return_if_fail (allocation != NULL);
+
+  widget->allocation = *allocation;
+
+  if (GTK_WIDGET_REALIZED (widget))
+    {
+      gdk_window_move_resize (widget->window,
+			      allocation->x, allocation->y,
+			      allocation->width, allocation->height);
+
+      event.type = GDK_CONFIGURE;
+      event.window = widget->window;
+      event.x = allocation->x;
+      event.y = allocation->y;
+      event.width = allocation->width;
+      event.height = allocation->height;
+
+      gtk_widget_event (widget, (GdkEvent*) &event);
+    }
+}