tray.c

linux的多线程下载工具。基于gtk界面。

 
/* -*- Mode: C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
   Modified by chice <[e-mail]> in 2004
*/
/* tray.c
 *
 * Copyright (C) 2003-2003 Joakim Ziegler <[e-mail]>
 *
 * Parts taken from the Gaim docklet plugin,
 * Copyright (C) 2002-3 Robert McQueen  <[e-mail]>
 * Copyright (C) 2003   Herman Bloggs   <[e-mail]>
 * Copyright (C) 2002   Anders Carlsson <[e-mail]>
 *
 * This program 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 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 *
 * Authors: Joakim Ziegler <[e-mail]>
 */


#include <glib.h>
#include <gtk/gtk.h>

/* XPM */
static char *xpm_tray[]={
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//GtkWidget *tntc_get_widget (const gchar *name);

//#define W(w)               tntc_get_widget (w)

#include <string.h>
#include <gdk/gdkx.h>
#include "tray.h"
#include "interface.h"
#include "callbacks.h"

#define SYSTEM_TRAY_REQUEST_DOCK    0
#define SYSTEM_TRAY_BEGIN_MESSAGE   1
#define SYSTEM_TRAY_CANCEL_MESSAGE  2
         
static GtkPlugClass *parent_class = NULL;
static EggTrayIcon *docklet = NULL;
static GtkWidget *image = NULL;

static void egg_tray_icon_init (EggTrayIcon *icon);
static void egg_tray_icon_class_init (EggTrayIconClass *klass);
static void egg_tray_icon_unrealize (GtkWidget *widget);
static void egg_tray_icon_update_manager_window (EggTrayIcon *icon);

GType
egg_tray_icon_get_type (void)
{
  static GType our_type = 0;

  our_type = g_type_from_name("EggTrayIcon");

  if (our_type == 0)
    {
      static const GTypeInfo our_info =
      {
	sizeof (EggTrayIconClass),
	(GBaseInitFunc) NULL,
	(GBaseFinalizeFunc) NULL,
	(GClassInitFunc) egg_tray_icon_class_init,
	NULL, /* class_finalize */
	NULL, /* class_data */
	sizeof (EggTrayIcon),
	0,    /* n_preallocs */
	(GInstanceInitFunc) egg_tray_icon_init
      };

      our_type = g_type_register_static (GTK_TYPE_PLUG, "EggTrayIcon", &our_info, 0);
    }
  else if (parent_class == NULL) {
    /* we're reheating the old class from a previous instance -  engage ugly hack =( */
    egg_tray_icon_class_init((EggTrayIconClass *)g_type_class_peek(our_type));
  }

  return our_type;
}

static void
egg_tray_icon_init (EggTrayIcon *icon)
{
  icon->stamp = 1;
  
  gtk_widget_add_events (GTK_WIDGET (icon), GDK_PROPERTY_CHANGE_MASK);
}

static void
egg_tray_icon_class_init (EggTrayIconClass *klass)
{
  GtkWidgetClass *widget_class = (GtkWidgetClass *)klass;

  parent_class = g_type_class_peek_parent (klass);

  widget_class->unrealize = egg_tray_icon_unrealize;
}

static GdkFilterReturn
egg_tray_icon_manager_filter (GdkXEvent *xevent, GdkEvent *event, gpointer user_data)
{
  EggTrayIcon *icon = user_data;
  XEvent *xev = (XEvent *)xevent;

  //dprintf (__PRETTY_FUNCTION__);

  if (xev->xany.type == ClientMessage &&
      xev->xclient.message_type == icon->manager_atom &&
      xev->xclient.data.l[1] == icon->selection_atom)
    {
      egg_tray_icon_update_manager_window (icon);
    }
  else if (xev->xany.window == icon->manager_window)
    {
      if (xev->xany.type == DestroyNotify)
	{
	  egg_tray_icon_update_manager_window (icon);
	}
    }
  
  return GDK_FILTER_CONTINUE;
}

static void
egg_tray_icon_unrealize (GtkWidget *widget)
{
  EggTrayIcon *icon = EGG_TRAY_ICON (widget);
  GdkWindow *root_window;

  if (icon->manager_window != None)
    {
      GdkWindow *gdkwin;

#if HAVE_GTK_MULTIHEAD
      gdkwin = gdk_window_lookup_for_display (gtk_widget_get_display (widget),
                                              icon->manager_window);
#else
      gdkwin = gdk_window_lookup (icon->manager_window);
#endif

      gdk_window_remove_filter (gdkwin, egg_tray_icon_manager_filter, icon);
    }

#if HAVE_GTK_MULTIHEAD
  root_window = gdk_screen_get_root_window (gtk_widget_get_screen (widget));
#else
  root_window = gdk_window_lookup (gdk_x11_get_default_root_xwindow ());
#endif

  gdk_window_remove_filter (root_window, egg_tray_icon_manager_filter, icon);

  if (GTK_WIDGET_CLASS (parent_class)->unrealize)
    (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}

static void
egg_tray_icon_send_manager_message (EggTrayIcon *icon,
				    long         message,
				    Window       window,
				    long         data1,
				    long         data2,
				    long         data3)
{
  XClientMessageEvent ev;
  Display *display;
  
  //dprintf (__PRETTY_FUNCTION__);

  ev.type = ClientMessage;
  ev.window = window;
  ev.message_type = icon->system_tray_opcode_atom;
  ev.format = 32;
  ev.data.l[0] = gdk_x11_get_server_time (GTK_WIDGET (icon)->window);
  ev.data.l[1] = message;
  ev.data.l[2] = data1;
  ev.data.l[3] = data2;
  ev.data.l[4] = data3;

#if HAVE_GTK_MULTIHEAD
  display = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
#else
  display = gdk_display;
#endif
  
  gdk_error_trap_push ();
  XSendEvent (display,
	      icon->manager_window, False, NoEventMask, (XEvent *)&ev);
  XSync (display, False);
  gdk_error_trap_pop ();
}

static void
egg_tray_icon_send_dock_request (EggTrayIcon *icon)
{
  //dprintf (__PRETTY_FUNCTION__);

  egg_tray_icon_send_manager_message (icon,
				      SYSTEM_TRAY_REQUEST_DOCK,