testgtk.c

开发linux应用-用gtk+和gdk开发linux图形用户界面应用－－的实例

/* 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.
 */
#undef	G_LOG_DOMAIN

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include "gtk.h"
#include "../gdk/gdk.h"
#include "../gdk/gdkx.h"
#include "../gdk/gdkkeysyms.h"

#include "circles.xbm"

typedef struct _OptionMenuItem
{
  gchar        *name;
  GtkSignalFunc func;
} OptionMenuItem;

GtkWidget *
shape_create_icon (char     *xpm_file,
		   gint      x,
		   gint      y,
		   gint      px,
		   gint      py,
		   gint      window_type);

static GtkWidget *
build_option_menu (OptionMenuItem items[],
		   gint           num_items,
		   gint           history,
		   gpointer       data);

/* macro, structure and variables used by tree window demos */
#define DEFAULT_NUMBER_OF_ITEM  3
#define DEFAULT_RECURSION_LEVEL 3

struct {
  GSList* selection_mode_group;
  GtkWidget* single_button;
  GtkWidget* browse_button;
  GtkWidget* multiple_button;
  GtkWidget* draw_line_button;
  GtkWidget* view_line_button;
  GtkWidget* no_root_item_button;
  GtkWidget* nb_item_spinner;
  GtkWidget* recursion_spinner;
} sTreeSampleSelection;

typedef struct sTreeButtons {
  guint nb_item_add;
  GtkWidget* add_button;
  GtkWidget* remove_button;
  GtkWidget* subtree_button;
} sTreeButtons;
/* end of tree section */

static GtkWidget *
build_option_menu (OptionMenuItem items[],
		   gint           num_items,
		   gint           history,
		   gpointer       data)
{
  GtkWidget *omenu;
  GtkWidget *menu;
  GtkWidget *menu_item;
  GSList *group;
  gint i;

  omenu = gtk_option_menu_new ();
      
  menu = gtk_menu_new ();
  group = NULL;
  
  for (i = 0; i < num_items; i++)
    {
      menu_item = gtk_radio_menu_item_new_with_label (group, items[i].name);
      gtk_signal_connect (GTK_OBJECT (menu_item), "activate",
			  (GtkSignalFunc) items[i].func, data);
      group = gtk_radio_menu_item_group (GTK_RADIO_MENU_ITEM (menu_item));
      gtk_menu_append (GTK_MENU (menu), menu_item);
      if (i == history)
	gtk_check_menu_item_set_state (GTK_CHECK_MENU_ITEM (menu_item), TRUE);
      gtk_widget_show (menu_item);
    }

  gtk_option_menu_set_menu (GTK_OPTION_MENU (omenu), menu);
  gtk_option_menu_set_history (GTK_OPTION_MENU (omenu), history);
  
  return omenu;
}

static void
destroy_tooltips (GtkWidget *widget, GtkWindow **window)
{
  GtkTooltips *tt = gtk_object_get_data (GTK_OBJECT (*window), "tooltips");
  gtk_object_unref (GTK_OBJECT (tt));
  *window = NULL;
}

/*
 * GtkButton
 */

static void
button_window (GtkWidget *widget,
	       GtkWidget *button)
{
  if (!GTK_WIDGET_VISIBLE (button))
    gtk_widget_show (button);
  else
    gtk_widget_hide (button);
}

static void
create_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *table;
  GtkWidget *button[10];
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
			  GTK_SIGNAL_FUNC (gtk_widget_destroyed),
			  &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkButton");
      gtk_container_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      table = gtk_table_new (3, 3, FALSE);
      gtk_table_set_row_spacings (GTK_TABLE (table), 5);
      gtk_table_set_col_spacings (GTK_TABLE (table), 5);
      gtk_container_border_width (GTK_CONTAINER (table), 10);
      gtk_box_pack_start (GTK_BOX (box1), table, TRUE, TRUE, 0);

      button[0] = gtk_button_new_with_label ("button1");
      button[1] = gtk_button_new_with_label ("button2");
      button[2] = gtk_button_new_with_label ("button3");
      button[3] = gtk_button_new_with_label ("button4");
      button[4] = gtk_button_new_with_label ("button5");
      button[5] = gtk_button_new_with_label ("button6");
      button[6] = gtk_button_new_with_label ("button7");
      button[7] = gtk_button_new_with_label ("button8");
      button[8] = gtk_button_new_with_label ("button9");

      gtk_signal_connect (GTK_OBJECT (button[0]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[1]);

      gtk_table_attach (GTK_TABLE (table), button[0], 0, 1, 0, 1,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[1]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[2]);

      gtk_table_attach (GTK_TABLE (table), button[1], 1, 2, 1, 2,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[2]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[3]);
      gtk_table_attach (GTK_TABLE (table), button[2], 2, 3, 2, 3,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[3]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[4]);
      gtk_table_attach (GTK_TABLE (table), button[3], 0, 1, 2, 3,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[4]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[5]);
      gtk_table_attach (GTK_TABLE (table), button[4], 2, 3, 0, 1,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[5]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[6]);
      gtk_table_attach (GTK_TABLE (table), button[5], 1, 2, 2, 3,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[6]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[7]);
      gtk_table_attach (GTK_TABLE (table), button[6], 1, 2, 0, 1,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[7]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[8]);
      gtk_table_attach (GTK_TABLE (table), button[7], 2, 3, 1, 2,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      gtk_signal_connect (GTK_OBJECT (button[8]), "clicked",
			  GTK_SIGNAL_FUNC(button_window),
			  button[0]);
      gtk_table_attach (GTK_TABLE (table), button[8], 0, 1, 1, 2,
			GTK_EXPAND | GTK_FILL, GTK_EXPAND | GTK_FILL, 0, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button[9] = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button[9]), "clicked",
				 GTK_SIGNAL_FUNC(gtk_widget_destroy),
				 GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button[9], TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button[9], GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button[9]);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkToggleButton
 */

static void
create_toggle_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
			  GTK_SIGNAL_FUNC(gtk_widget_destroyed),
			  &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkToggleButton");
      gtk_container_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_toggle_button_new_with_label ("button1");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_toggle_button_new_with_label ("button2");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_toggle_button_new_with_label ("button3");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
				 GTK_SIGNAL_FUNC(gtk_widget_destroy),
				 GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkCheckButton
 */

static void
create_check_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
			  GTK_SIGNAL_FUNC(gtk_widget_destroyed),
			  &window);

      gtk_window_set_title (GTK_WINDOW (window), "GtkCheckButton");
      gtk_container_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_check_button_new_with_label ("button1");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_check_button_new_with_label ("button2");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_check_button_new_with_label ("button3");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, FALSE, TRUE, 0);

      button = gtk_button_new_with_label ("close");
      gtk_signal_connect_object (GTK_OBJECT (button), "clicked",
				 GTK_SIGNAL_FUNC(gtk_widget_destroy),
				 GTK_OBJECT (window));
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);
      GTK_WIDGET_SET_FLAGS (button, GTK_CAN_DEFAULT);
      gtk_widget_grab_default (button);
    }

  if (!GTK_WIDGET_VISIBLE (window))
    gtk_widget_show_all (window);
  else
    gtk_widget_destroy (window);
}

/*
 * GtkRadioButton
 */

static void
create_radio_buttons (void)
{
  static GtkWidget *window = NULL;
  GtkWidget *box1;
  GtkWidget *box2;
  GtkWidget *button;
  GtkWidget *separator;

  if (!window)
    {
      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

      gtk_signal_connect (GTK_OBJECT (window), "destroy",
			  GTK_SIGNAL_FUNC(gtk_widget_destroyed),
			  &window);

      gtk_window_set_title (GTK_WINDOW (window), "radio buttons");
      gtk_container_border_width (GTK_CONTAINER (window), 0);

      box1 = gtk_vbox_new (FALSE, 0);
      gtk_container_add (GTK_CONTAINER (window), box1);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_border_width (GTK_CONTAINER (box2), 10);
      gtk_box_pack_start (GTK_BOX (box1), box2, TRUE, TRUE, 0);

      button = gtk_radio_button_new_with_label (NULL, "button1");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_radio_button_new_with_label (
	         gtk_radio_button_group (GTK_RADIO_BUTTON (button)),
		 "button2");
      gtk_toggle_button_set_state (GTK_TOGGLE_BUTTON (button), TRUE);
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      button = gtk_radio_button_new_with_label (
                 gtk_radio_button_group (GTK_RADIO_BUTTON (button)),
		 "button3");
      gtk_box_pack_start (GTK_BOX (box2), button, TRUE, TRUE, 0);

      separator = gtk_hseparator_new ();
      gtk_box_pack_start (GTK_BOX (box1), separator, FALSE, TRUE, 0);

      box2 = gtk_vbox_new (FALSE, 10);
      gtk_container_border_width (GTK_CONTAINER (box2), 10);