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/* -*- Mode: C; c-basic-offset: 2; indent-tabs-mode: nil -*-
*
* GTK+ integration example
*
* Copyright © 2006, 2007, 2008 Fluendo Embedded S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
*
* Author: Loïc Molinari <loic@fluendo.com>
*/
#include <gtk/gtk.h>
#include <pgm/pgm.h>
#include <pgm/gtk/pgmgtk.h>
/* Key press handler */
static void
keypress_event_cb (PgmViewport *viewport,
PgmEventKey *event,
gpointer data)
{
g_print ("Pigment has the keyboard focus\n");
}
/* Button press handler */
static void
button_clicked_cb (GtkButton *button,
gpointer data)
{
g_print ("GTK+ button clicked\n");
}
/* Rotate the image */
static gboolean
update_pass_cb (PgmViewport *viewport,
gpointer data)
{
PgmDrawable *drawable = PGM_DRAWABLE (data);
static gfloat angle = 0.0f;
pgm_drawable_set_rotation_x (drawable, angle);
pgm_drawable_set_rotation_y (drawable, angle);
pgm_drawable_set_rotation_z (drawable, angle);
angle += 0.03;
return TRUE;
}
/* Start rotating the image when the pixbuf is loaded */
static void
pixbuf_loaded_cb (PgmImage *image,
gpointer data)
{
PgmViewport *viewport = PGM_VIEWPORT (data);
g_signal_connect (G_OBJECT (viewport), "update_pass",
G_CALLBACK (update_pass_cb), image);
}
int
main (int argc,
char *argv[])
{
GtkWidget *embed, *window, *vbox, *entry, *button;
PgmViewport *viewport = NULL;
PgmDrawable *img;
PgmCanvas *canvas;
/* Init */
gtk_init (&argc, &argv);
pgm_init (&argc, &argv);
/* OpenGL viewport creation */
pgm_viewport_factory_make ("opengl", &viewport);
if (!viewport)
{
g_print ("Cannot create the 'opengl' viewport\n");
return -1;
}
g_signal_connect (G_OBJECT (viewport), "key-press-event",
G_CALLBACK (keypress_event_cb), NULL);
/* Scene setup */
img = pgm_image_new_from_file ("examples/pictures/star.png", 0);
g_signal_connect (G_OBJECT (img), "pixbuf-loaded",
G_CALLBACK (pixbuf_loaded_cb), viewport);
pgm_drawable_set_size (img, 3.0f, 3.0f);
pgm_drawable_set_position (img, 0.5f, 0.0f, 0.0f);
pgm_drawable_set_bg_color (img, 1.0f, 1.0f, 1.0f, 0.0f);
pgm_drawable_show (img);
canvas = pgm_canvas_new ();
pgm_canvas_add (canvas, PGM_DRAWABLE_MIDDLE, img);
pgm_viewport_set_canvas (viewport, canvas);
/* GTK+ window creation */
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "GTK+ integration");
gtk_window_resize (GTK_WINDOW (window), 400, 400);
gtk_container_set_border_width (GTK_CONTAINER (window), 5);
g_signal_connect (G_OBJECT (window), "delete-event",
G_CALLBACK (gtk_main_quit), NULL);
/*Pigment GTK+ socket setup */
embed = pgm_gtk_new ();
pgm_gtk_set_viewport (PGM_GTK (embed), viewport);
/* GTK+ interface creation */
button = gtk_button_new_with_label ("GTK+ button");
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (button_clicked_cb), NULL);
entry = gtk_entry_new ();
vbox = gtk_vbox_new (FALSE, 5);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), embed, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (vbox), entry, FALSE, FALSE, 0);
gtk_widget_show_all (GTK_WIDGET (window));
/* Start the mainloop */
gtk_main ();
/* Deinit */
gst_object_unref (canvas);
gst_object_unref (viewport);
pgm_deinit ();
return 0;
}
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