callbacks.h

用GTK实现的一个简单的计算器程序

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
/*
 * callbacks.h
 * Copyright (C) Nick Z Liu 2008 <nick@>
 * 
 * callbacks.h is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * callbacks.h 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License along
 * with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <gtk/gtk.h>
#include "mult.h"
/*******************added by nick********************/
/*
#define CACULATOR_MAX_NUMBER_LEN 20

typedef enum
{
    OPERATION_STATE_ENTER_A = 0,
    OPERATION_STATE_ENTER_OPERATOR,
    OPERATION_STATE_ENTER_B,
    OPERATION_STATE_SHOW_RESULT
} t_operation_state;

extern float g_operand_a;
extern float g_operand_b;
extern char g_operator;

extern t_operation_state g_operation_state;
*/
//#define USE_GLADE

#ifdef USE_GLADE
extern void number_button_clicked_cb(gpointer user_data, GtkButton *button);
extern void on_imagemenuitem_about_activate(gpointer user_data, GtkWidget *widget);
#else
extern void number_button_clicked_cb(GtkButton *button, gpointer user_data);
extern void on_imagemenuitem_about_activate(GtkWidget *widget, gpointer user_data);
#endif

extern void on_window_delete_event(gpointer user_data, GtkWidget* widget);
extern void on_window_destroy_event(gpointer user_data, GtkWidget* widget);
extern void on_window_remove(gpointer user_data, GtkWidget *widget);
/*****************end added by nick******************/