gstreamer/editor/gsteditorcanvas.c

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/* Gnome-Streamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gnome.h>
#include <gst/gst.h>
#include "gsteditor.h"
#include "gsteditorcreate.h"
/* signals and args */
enum {
LAST_SIGNAL
};
enum {
ARG_0,
};
static void gst_editor_canvas_class_init (GstEditorCanvasClass *klass);
static void gst_editor_canvas_init (GstEditorCanvas *editorcanvas);
static void gst_editor_canvas_set_arg (GtkObject *object,GtkArg *arg,guint id);
static void gst_editor_canvas_get_arg (GtkObject *object,GtkArg *arg,guint id);
static void gst_editor_canvas_realize (GtkWidget *widget);
/* gint gst_editor_canvas_verbose_event(GtkWidget *widget,GdkEvent *event); */
static GstEditorBinClass *parent_class = NULL;
GtkType
gst_editor_canvas_get_type (void)
{
static GtkType editor_canvas_type = 0;
if (!editor_canvas_type) {
static const GtkTypeInfo editor_canvas_info = {
"GstEditorCanvas",
sizeof(GstEditorCanvas),
sizeof(GstEditorCanvasClass),
(GtkClassInitFunc)gst_editor_canvas_class_init,
(GtkObjectInitFunc)gst_editor_canvas_init,
NULL,
NULL,
(GtkClassInitFunc)NULL,
};
editor_canvas_type = gtk_type_unique (gnome_canvas_get_type (), &editor_canvas_info);
}
return editor_canvas_type;
}
static void
gst_editor_canvas_class_init (GstEditorCanvasClass *klass)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
object_class = (GtkObjectClass*)klass;
widget_class = (GtkWidgetClass *)klass;
parent_class = gtk_type_class (gnome_canvas_get_type ());
object_class->set_arg = gst_editor_canvas_set_arg;
object_class->get_arg = gst_editor_canvas_get_arg;
widget_class->realize = gst_editor_canvas_realize;
}
static void
gst_editor_canvas_init (GstEditorCanvas *editorcanvas)
{
}
GstEditorCanvas*
gst_editor_canvas_new (void)
{
GstEditorCanvas *editorcanvas;
editorcanvas = GST_EDITOR_CANVAS(gtk_type_new(GST_TYPE_EDITOR_CANVAS));
return editorcanvas;
}
GstEditorCanvas*
gst_editor_canvas_new_with_bin (GstEditorBin *bin)
{
GstEditorCanvas *editorcanvas;
g_return_val_if_fail(bin != NULL, NULL);
editorcanvas = gst_editor_canvas_new ();
editorcanvas->bin = bin;
GST_EDITOR_ELEMENT(bin)->parent = bin;
GST_EDITOR_ELEMENT(bin)->canvas = editorcanvas;
return editorcanvas;
}
static void
gst_editor_canvas_realize (GtkWidget *widget)
{
GstEditorCanvas *canvas = GST_EDITOR_CANVAS (widget);
if (GTK_WIDGET_CLASS(parent_class)->realize) {
GTK_WIDGET_CLASS(parent_class)->realize(GTK_WIDGET(canvas));
}
if (canvas->bin) {
GstEditorElementClass *element_class;
GST_EDITOR_ELEMENT(canvas->bin)->group = gnome_canvas_root(GNOME_CANVAS(canvas));
element_class = GST_EDITOR_ELEMENT_CLASS(GTK_OBJECT(canvas->bin)->klass);
if (element_class->realize) {
element_class->realize(GST_EDITOR_ELEMENT(canvas->bin));
}
}
}
static void
gst_editor_canvas_set_arg (GtkObject *object,GtkArg *arg,guint id)
{
GstEditorCanvas *canvas;
canvas = GST_EDITOR_CANVAS(object);
switch (id) {
default:
g_warning("gsteditorcanvas: unknown arg!");
break;
}
}
static void
gst_editor_canvas_get_arg (GtkObject *object,GtkArg *arg,guint id)
{
GstEditorCanvas *canvas;
canvas = GST_EDITOR_CANVAS(object);
switch (id) {
default:
arg->type = GTK_TYPE_INVALID;
break;
}
}