appwindow.c

Linux下gtk图形界面开发的各种gtk控件调用方法示例

/* Application main window
 *
 * Demonstrates a typical application window with menubar, toolbar, statusbar.
 */

#include <gtk/gtk.h>
#include "config.h"
#include "demo-common.h"

static GtkWidget *window = NULL;

static void
activate_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 void
activate_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\".\n"
				       "Current 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 void
about_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 <[e-mail]>",
    "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", PACKAGE_VERSION,
			 "copyright", "(C) 1997-2005 The GTK+ Team",
			 "license", license,
			 "website", "http://www.gtk.org",
			 "comments", "Program to demonstrate GTK+ functions.",
			 "authors", authors,
			 "documenters", documentors,
			 "logo", transparent,
                         "title", "About GTK+ Code Demos",
			 NULL);

  g_object_unref (transparent);
}

typedef struct 
{
  GtkAction action;
} ToolMenuAction;

typedef struct 
{
  GtkActionClass parent_class;
} ToolMenuActionClass;

G_DEFINE_TYPE(ToolMenuAction, tool_menu_action, GTK_TYPE_ACTION)

static void
tool_menu_action_class_init (ToolMenuActionClass *class)
{
  GTK_ACTION_CLASS (class)->toolbar_item_type = GTK_TYPE_MENU_TOOL_BUTTON;
}

static void
tool_menu_action_init (ToolMenuAction *action)
{
}

static GtkActionEntry entries[] = {
  { "FileMenu", NULL, "_File" },               /* name, stock id, label */
  { "OpenMenu", NULL, "_Open" },               /* 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) },      
  { "File1", NULL,                             /* name, stock id */
    "File1", NULL,                             /* label, accelerator */     
    "Open first 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'>"
"      <menu action='OpenMenu'>"
"        <menuitem action='File1'/>"
"      </menu>"  
"    </toolitem>"
"    <toolitem action='Quit'/>"
"    <separator action='Sep1'/>"
"    <toolitem action='Logo'/>"
"  </toolbar>"
"</ui>";