/* Application main window * * Demonstrates a typical application window, with menubar, toolbar, statusbar. */#include <gtk/gtk.h>#include "demo-common.h"static GtkWidget *window = NULL;static voidactivate_action (GtkAction *action){  const gchar *name = gtk_action_get_name (action);  const gchar *typename = G_OBJECT_TYPE_NAME (action);  GtkWidget *dialog;    dialog = gtk_message_dialog_new (GTK_WINDOW (window),                                   GTK_DIALOG_DESTROY_WITH_PARENT,                                   GTK_MESSAGE_INFO,                                   GTK_BUTTONS_CLOSE,                                   "You activated action: \"%s\" of type \"%s\"",                                    name, typename);  /* Close dialog on user response */  g_signal_connect (dialog,                    "response",                    G_CALLBACK (gtk_widget_destroy),                    NULL);    gtk_widget_show (dialog);}static voidactivate_radio_action (GtkAction *action, GtkRadioAction *current){  const gchar *name = gtk_action_get_name (GTK_ACTION (current));  const gchar *typename = G_OBJECT_TYPE_NAME (GTK_ACTION (current));  gboolean active = gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (current));  gint value = gtk_radio_action_get_current_value (GTK_RADIO_ACTION (current));  if (active)     {      GtkWidget *dialog;        dialog = gtk_message_dialog_new (GTK_WINDOW (window),				       GTK_DIALOG_DESTROY_WITH_PARENT,				       GTK_MESSAGE_INFO,				       GTK_BUTTONS_CLOSE,				       "You activated radio action: \"%s\" of type \"%s\".\nCurrent value: %d",				       name, typename, value);      /* Close dialog on user response */      g_signal_connect (dialog,			"response",			G_CALLBACK (gtk_widget_destroy),			NULL);            gtk_widget_show (dialog);    }}static void activate_email (GtkAboutDialog *about,		const gchar    *link,		gpointer        data){  g_print ("send mail to %s\n", link);}static void activate_url (GtkAboutDialog *about,	      const gchar    *link,	      gpointer        data){  g_print ("show url %s\n", link);}static voidabout_cb (GtkAction *action,	  GtkWidget *window){  GdkPixbuf *pixbuf, *transparent;  gchar *filename;  const gchar *authors[] = {    "Peter Mattis",    "Spencer Kimball",    "Josh MacDonald",    "and many more...",    NULL  };  const gchar *documentors[] = {    "Owen Taylor",    "Tony Gale",    "Matthias Clasen <mclasen@redhat.com>",    "and many more...",    NULL  };  const gchar *license =    "This library is free software; you can redistribute it and/or\n"    "modify it under the terms of the GNU Library General Public License as\n"    "published by the Free Software Foundation; either version 2 of the\n"    "License, or (at your option) any later version.\n"    "\n"    "This library is distributed in the hope that it will be useful,\n"    "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"    "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU\n"    "Library General Public License for more details.\n"    "\n"    "You should have received a copy of the GNU Library General Public\n"    "License along with the Gnome Library; see the file COPYING.LIB.  If not,\n"    "write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,\n"    "Boston, MA 02111-1307, USA.\n";  pixbuf = NULL;  transparent = NULL;  filename = demo_find_file ("gtk-logo-rgb.gif", NULL);  if (filename)    {      pixbuf = gdk_pixbuf_new_from_file (filename, NULL);      g_free (filename);      transparent = gdk_pixbuf_add_alpha (pixbuf, TRUE, 0xff, 0xff, 0xff);      g_object_unref (pixbuf);    }  gtk_about_dialog_set_email_hook (activate_email, NULL, NULL);  gtk_about_dialog_set_url_hook (activate_url, NULL, NULL);  gtk_show_about_dialog (GTK_WINDOW (window),			 "name", "GTK+ Code Demos",			 "version", "2.4.3",			 "copyright", "(C) 1997-2004 The GTK+ Team",			 "license", license,			 "website", "http://www.gtk.org",			 "comments", "Program to demonstrate GTK+ functions.",			 "authors", authors,			 "documenters", documentors,			 "logo", transparent,			 NULL);  g_object_unref (transparent);}static GtkActionEntry entries[] = {  { "FileMenu", NULL, "_File" },               /* name, stock id, label */  { "PreferencesMenu", NULL, "_Preferences" }, /* name, stock id, label */  { "ColorMenu", NULL, "_Color"  },            /* name, stock id, label */  { "ShapeMenu", NULL, "_Shape" },             /* name, stock id, label */  { "HelpMenu", NULL, "_Help" },               /* name, stock id, label */  { "New", GTK_STOCK_NEW,                      /* name, stock id */    "_New", "<control>N",                      /* label, accelerator */    "Create a new file",                       /* tooltip */     G_CALLBACK (activate_action) },        { "Open", GTK_STOCK_OPEN,                    /* name, stock id */    "_Open","<control>O",                      /* label, accelerator */         "Open a file",                             /* tooltip */    G_CALLBACK (activate_action) },   { "Save", GTK_STOCK_SAVE,                    /* name, stock id */    "_Save","<control>S",                      /* label, accelerator */         "Save current file",                       /* tooltip */    G_CALLBACK (activate_action) },  { "SaveAs", GTK_STOCK_SAVE,                  /* name, stock id */    "Save _As...", NULL,                       /* label, accelerator */         "Save to a file",                          /* tooltip */    G_CALLBACK (activate_action) },  { "Quit", GTK_STOCK_QUIT,                    /* name, stock id */    "_Quit", "<control>Q",                     /* label, accelerator */         "Quit",                                    /* tooltip */    G_CALLBACK (activate_action) },  { "About", NULL,                             /* name, stock id */    "_About", "<control>A",                    /* label, accelerator */         "About",                                   /* tooltip */      G_CALLBACK (about_cb) },  { "Logo", "demo-gtk-logo",                   /* name, stock id */     NULL, NULL,                               /* label, accelerator */         "GTK+",                                    /* tooltip */    G_CALLBACK (activate_action) },};static guint n_entries = G_N_ELEMENTS (entries);static GtkToggleActionEntry toggle_entries[] = {  { "Bold", GTK_STOCK_BOLD,                    /* name, stock id */     "_Bold", "<control>B",                    /* label, accelerator */         "Bold",                                    /* tooltip */    G_CALLBACK (activate_action),     TRUE },                                    /* is_active */};static guint n_toggle_entries = G_N_ELEMENTS (toggle_entries);enum {  COLOR_RED,  COLOR_GREEN,  COLOR_BLUE};static GtkRadioActionEntry color_entries[] = {  { "Red", NULL,                               /* name, stock id */    "_Red", "<control>R",                      /* label, accelerator */         "Blood", COLOR_RED },                      /* tooltip, value */  { "Green", NULL,                             /* name, stock id */    "_Green", "<control>G",                    /* label, accelerator */         "Grass", COLOR_GREEN },                    /* tooltip, value */  { "Blue", NULL,                              /* name, stock id */    "_Blue", "<control>B",                     /* label, accelerator */         "Sky", COLOR_BLUE },                       /* tooltip, value */};static guint n_color_entries = G_N_ELEMENTS (color_entries);enum {  SHAPE_SQUARE,  SHAPE_RECTANGLE,  SHAPE_OVAL};static GtkRadioActionEntry shape_entries[] = {  { "Square", NULL,                            /* name, stock id */    "_Square", "<control>S",                   /* label, accelerator */         "Square",  SHAPE_SQUARE },                 /* tooltip, value */  { "Rectangle", NULL,                         /* name, stock id */    "_Rectangle", "<control>R",                /* label, accelerator */         "Rectangle", SHAPE_RECTANGLE },            /* tooltip, value */  { "Oval", NULL,                              /* name, stock id */    "_Oval", "<control>O",                     /* label, accelerator */         "Egg", SHAPE_OVAL },                       /* tooltip, value */  };static guint n_shape_entries = G_N_ELEMENTS (shape_entries);static const gchar *ui_info = "<ui>""  <menubar name='MenuBar'>""    <menu action='FileMenu'>""      <menuitem action='New'/>""      <menuitem action='Open'/>""      <menuitem action='Save'/>""      <menuitem action='SaveAs'/>""      <separator/>""      <menuitem action='Quit'/>""    </menu>""    <menu action='PreferencesMenu'>""      <menu action='ColorMenu'>""	<menuitem action='Red'/>""	<menuitem action='Green'/>""	<menuitem action='Blue'/>""      </menu>""      <menu action='ShapeMenu'>""        <menuitem action='Square'/>""        <menuitem action='Rectangle'/>""        <menuitem action='Oval'/>""      </menu>""      <menuitem action='Bold'/>""    </menu>""    <menu action='HelpMenu'>""      <menuitem action='About'/>""    </menu>""  </menubar>""  <toolbar  name='ToolBar'>""    <toolitem action='Open'/>""    <toolitem action='Quit'/>""    <separator action='Sep1'/>""    <toolitem action='Logo'/>""  </toolbar>""</ui>";/* This function registers our custom toolbar icons, so they can be themed. * * It's totally optional to do this, you could just manually insert icons * and have them not be themeable, especially if you never expect people