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992ea8e1d7
Sun Aug 25 11:58:27 BST 2002 Tony Gale <gale@gtk.org> * docs/tutorial/package-db-tutorial.sh: update packaging script for current tutorial * docs/tutorial/images/*.eps: New Files EPS versions of the tutorial images
164 lines
4.2 KiB
C
164 lines
4.2 KiB
C
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/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "gtk/gtksignal.h"
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#include "gtk/gtktable.h"
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#include "gtk/gtktogglebutton.h"
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#include "tictactoe.h"
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enum {
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TICTACTOE_SIGNAL,
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LAST_SIGNAL
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};
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static void tictactoe_class_init (TictactoeClass *klass);
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static void tictactoe_init (Tictactoe *ttt);
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static void tictactoe_toggle (GtkWidget *widget, Tictactoe *ttt);
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static gint tictactoe_signals[LAST_SIGNAL] = { 0 };
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GType
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tictactoe_get_type ()
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{
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static GType ttt_type = 0;
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if (!ttt_type)
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{
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static const GTypeInfo ttt_info =
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{
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sizeof (TictactoeClass),
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NULL,
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NULL,
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(GClassInitFunc) tictactoe_class_init,
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NULL,
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NULL,
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sizeof (Tictactoe),
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0,
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(GInstanceInitFunc) tictactoe_init,
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};
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ttt_type = g_type_register_static (GTK_TYPE_VBOX, "Tictactoe", &ttt_info, 0);
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}
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return ttt_type;
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}
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static void
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tictactoe_class_init (TictactoeClass *class)
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{
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GtkObjectClass *object_class;
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object_class = (GtkObjectClass*) class;
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tictactoe_signals[TICTACTOE_SIGNAL] = g_signal_new ("tictactoe",
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G_TYPE_FROM_CLASS (object_class),
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G_SIGNAL_RUN_FIRST,
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0,
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NULL,
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NULL,
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g_cclosure_marshal_VOID__VOID,
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G_TYPE_NONE, 0, NULL);
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class->tictactoe = NULL;
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}
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static void
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tictactoe_init (Tictactoe *ttt)
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{
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GtkWidget *table;
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gint i,j;
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table = gtk_table_new (3, 3, TRUE);
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gtk_container_add (GTK_CONTAINER (ttt), table);
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gtk_widget_show (table);
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for (i = 0; i < 3; i++)
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for (j = 0; j < 3; j++)
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{
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ttt->buttons[i][j] = gtk_toggle_button_new ();
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gtk_table_attach_defaults (GTK_TABLE (table), ttt->buttons[i][j],
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i, i+1, j, j+1);
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g_signal_connect (G_OBJECT (ttt->buttons[i][j]), "toggled",
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G_CALLBACK (tictactoe_toggle), (gpointer) ttt);
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gtk_widget_set_size_request (ttt->buttons[i][j], 20, 20);
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gtk_widget_show (ttt->buttons[i][j]);
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}
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}
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GtkWidget*
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tictactoe_new ()
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{
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return GTK_WIDGET (g_object_new (tictactoe_get_type (), NULL));
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}
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void
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tictactoe_clear (Tictactoe *ttt)
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{
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int i,j;
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for (i = 0; i < 3; i++)
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for (j = 0; j < 3; j++)
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{
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g_signal_handlers_block_by_func (G_OBJECT (ttt->buttons[i][j]),
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NULL, ttt);
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gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ttt->buttons[i][j]),
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FALSE);
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g_signal_handlers_unblock_by_func (G_OBJECT (ttt->buttons[i][j]),
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NULL, ttt);
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}
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}
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static void
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tictactoe_toggle (GtkWidget *widget, Tictactoe *ttt)
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{
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int i,k;
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static int rwins[8][3] = { { 0, 0, 0 }, { 1, 1, 1 }, { 2, 2, 2 },
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{ 0, 1, 2 }, { 0, 1, 2 }, { 0, 1, 2 },
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{ 0, 1, 2 }, { 0, 1, 2 } };
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static int cwins[8][3] = { { 0, 1, 2 }, { 0, 1, 2 }, { 0, 1, 2 },
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{ 0, 0, 0 }, { 1, 1, 1 }, { 2, 2, 2 },
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{ 0, 1, 2 }, { 2, 1, 0 } };
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int success, found;
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for (k = 0; k < 8; k++)
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{
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success = TRUE;
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found = FALSE;
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for (i = 0; i < 3; i++)
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{
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success = success &&
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GTK_TOGGLE_BUTTON (ttt->buttons[rwins[k][i]][cwins[k][i]])->active;
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found = found ||
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ttt->buttons[rwins[k][i]][cwins[k][i]] == widget;
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}
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if (success && found)
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{
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g_signal_emit (G_OBJECT (ttt),
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tictactoe_signals[TICTACTOE_SIGNAL], 0);
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break;
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}
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}
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}
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