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GTK+ 2.0 Tutorial

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Примеры кода

Ниже приведены примеры кода использованные в данном руководстве, которые не были полностью включены в другом месте.

Tictactoe

tictactoe.h

/* 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
#ifndef __TICTACTOE_H__
#define __TICTACTOE_H__
#include <gdk/gdk.h>
#include <gtk/gtkvbox.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define TICTACTOE(obj)          GTK_CHECK_CAST (obj, tictactoe_get_type (), Tictactoe)
#define TICTACTOE_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, tictactoe_get_type (), TictactoeClass)
#define IS_TICTACTOE(obj)       GTK_CHECK_TYPE (obj, tictactoe_get_type ())
typedef struct _Tictactoe       Tictactoe;
typedef struct _TictactoeClass  TictactoeClass;
struct _Tictactoe
{
  GtkVBox vbox;
  GtkWidget *buttons[3][3];
};
struct _TictactoeClass
{
  GtkVBoxClass parent_class;
  void (* tictactoe) (Tictactoe *ttt);
};
GtkType        tictactoe_get_type        (void);
GtkWidget*     tictactoe_new             (void);
void           tictactoe_clear           (Tictactoe *ttt);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __TICTACTOE_H__ */

tictactoe.c

/* 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */
#include "gtk/gtksignal.h"
#include "gtk/gtktable.h"
#include "gtk/gtktogglebutton.h"
#include "tictactoe.h"
enum {
  TICTACTOE_SIGNAL,
  LAST_SIGNAL
};
static void tictactoe_class_init          (TictactoeClass *klass);
static void tictactoe_init                (Tictactoe      *ttt);
static void tictactoe_toggle              (GtkWidget *widget, Tictactoe *ttt);
static gint tictactoe_signals[LAST_SIGNAL] = { 0 };
GType
tictactoe_get_type ()
{
  static GType ttt_type = 0;
  if (!ttt_type)
    {
      static const GTypeInfo ttt_info =
      {
        sizeof (TictactoeClass),
        NULL,
        NULL,
        (GClassInitFunc) tictactoe_class_init,
        NULL,
        NULL,
        sizeof (Tictactoe),
        0,
        (GInstanceInitFunc) tictactoe_init,
      };
      ttt_type = g_type_register_static (GTK_TYPE_VBOX, "Tictactoe", &ttt_info, 0);
    }
  return ttt_type;
}
static void
tictactoe_class_init (TictactoeClass *class)
{
  GtkObjectClass *object_class;
  object_class = (GtkObjectClass*) class;
  tictactoe_signals[TICTACTOE_SIGNAL] = g_signal_new ("tictactoe",
                                         G_TYPE_FROM_CLASS (object_class),
                                         G_SIGNAL_RUN_FIRST,
                                         0,
                                         g_cclosure_marshal_VOID__VOID,
                                         G_TYPE_NONE, 0, NULL);
  class->tictactoe = NULL;
}
static void
tictactoe_init (Tictactoe *ttt)
{
  GtkWidget *table;
  gint i,j;
  table = gtk_table_new (3, 3, TRUE);
  gtk_container_add (GTK_CONTAINER (ttt), table);
  gtk_widget_show (table);
  for (i = 0; i < 3; i++)
    for (j = 0; j < 3; j++)
      {
        ttt->buttons[i][j] = gtk_toggle_button_new ();
                                   i, i+1, j, j+1);
        g_signal_connect (G_OBJECT (ttt->buttons[i][j]), "toggled",
                          G_CALLBACK (tictactoe_toggle), (gpointer) ttt);
        gtk_widget_set_size_request (ttt->buttons[i][j], 20, 20);
        gtk_widget_show (ttt->buttons[i][j]);
      }
}
GtkWidget*
tictactoe_new ()
{
  return GTK_WIDGET (g_object_new (tictactoe_get_type (), NULL));
}
tictactoe_clear (Tictactoe *ttt)
{
  int i,j;
  for (i = 0; i < 3; i++)
    for (j = 0; j < 3; j++)
      {
                                         NULL, ttt);
        gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ttt->buttons[i][j]),
                                      FALSE);
                                           NULL, ttt);
      }
}
static void
tictactoe_toggle (GtkWidget *widget, Tictactoe *ttt)
{
  int i,k;
  static int rwins[8][3] = { { 0, 0, 0 }, { 1, 1, 1 }, { 2, 2, 2 },
                             { 0, 1, 2 }, { 0, 1, 2 }, { 0, 1, 2 },
                             { 0, 1, 2 }, { 0, 1, 2 } };
  static int cwins[8][3] = { { 0, 1, 2 }, { 0, 1, 2 }, { 0, 1, 2 },
                             { 0, 0, 0 }, { 1, 1, 1 }, { 2, 2, 2 },
                             { 0, 1, 2 }, { 2, 1, 0 } };
  int success, found;
  for (k = 0; k < 8; k++)
    {
      success = TRUE;
      found = FALSE;
      for (i = 0; i < 3; i++)
        {
            GTK_TOGGLE_BUTTON (ttt->buttons[rwins[k][i]][cwins[k][i]])->active;
          found = found ||
            ttt->buttons[rwins[k][i]][cwins[k][i]] == widget;
        }
      if (success && found)
        {
                         tictactoe_signals[TICTACTOE_SIGNAL], 0);
          break;
        }
    }
}

ttt_test.c

#include <stdlib.h>
#include <gtk/gtk.h>
#include "tictactoe.h"
void win( GtkWidget *widget,
          gpointer   data )
{
  g_print ("Yay!\n");
  tictactoe_clear (TICTACTOE (widget));
}
int main( int   argc,
          char *argv[] )
{
  GtkWidget *window;
  GtkWidget *ttt;
  gtk_init (&argc, &argv);
  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title (GTK_WINDOW (window), "Aspect Frame");
  g_signal_connect (G_OBJECT (window), "destroy",
                    G_CALLBACK (exit), NULL);
  gtk_container_set_border_width (GTK_CONTAINER (window), 10);
  ttt = tictactoe_new ();
  gtk_container_add (GTK_CONTAINER (window), ttt);
  gtk_widget_show (ttt);
  g_signal_connect (G_OBJECT (ttt), "tictactoe",
                    G_CALLBACK (win), NULL);
  gtk_widget_show (window);
  gtk_main ();
  return 0;
}

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