eggtrayicon.c File Reference

#include <string.h>
#include <gdk/gdkx.h>
#include "eggtrayicon.h"

Go to the source code of this file.

Defines
#define	SYSTEM_TRAY_REQUEST_DOCK   0
#define	SYSTEM_TRAY_BEGIN_MESSAGE   1
#define	SYSTEM_TRAY_CANCEL_MESSAGE   2
Functions
GType	egg_tray_icon_get_type (void)
EggTrayIcon *	egg_tray_icon_new_for_xscreen (Screen *xscreen, const char *name)
EggTrayIcon *	egg_tray_icon_new (const gchar *name)
guint	egg_tray_icon_send_message (EggTrayIcon *icon, gint timeout, const gchar *message, gint len)
void	egg_tray_icon_cancel_message (EggTrayIcon *icon, guint id)

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Define Documentation

#define SYSTEM_TRAY_BEGIN_MESSAGE   1

Definition at line 26 of file eggtrayicon.c.

Referenced by egg_tray_icon_send_message().

#define SYSTEM_TRAY_CANCEL_MESSAGE   2

Definition at line 27 of file eggtrayicon.c.

Referenced by egg_tray_icon_cancel_message().

#define SYSTEM_TRAY_REQUEST_DOCK   0

Definition at line 25 of file eggtrayicon.c.

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Function Documentation

void egg_tray_icon_cancel_message	(	EggTrayIcon *	icon,
		guint	id
	)

Definition at line 332 of file eggtrayicon.c.

References EGG_IS_TRAY_ICON, and SYSTEM_TRAY_CANCEL_MESSAGE.

{
  g_return_if_fail (EGG_IS_TRAY_ICON (icon));
  g_return_if_fail (id > 0);
  
  egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_CANCEL_MESSAGE,
                                      (Window)gtk_plug_get_id (GTK_PLUG (icon)),
                                      id, 0, 0);
}

GType egg_tray_icon_get_type

(

void

)

Definition at line 37 of file eggtrayicon.c.

{
  static GType our_type = 0;

  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);
    }

  return our_type;
}

EggTrayIcon* egg_tray_icon_new

(

const gchar *

name

)

Definition at line 262 of file eggtrayicon.c.

References egg_tray_icon_new_for_xscreen().

Referenced by lkmonitor_create_tray_icon().

{
  return egg_tray_icon_new_for_xscreen (DefaultScreenOfDisplay (gdk_display), name);
}

EggTrayIcon* egg_tray_icon_new_for_xscreen	(	Screen *	xscreen,
		const char *	name
	)

Definition at line 199 of file eggtrayicon.c.

References EGG_TYPE_TRAY_ICON.

Referenced by egg_tray_icon_new().

{
  EggTrayIcon *icon;
  char buffer[256];
  GdkWindow *root_window;

  g_return_val_if_fail (xscreen != NULL, NULL);
  
  icon = g_object_new (EGG_TYPE_TRAY_ICON, NULL);
  gtk_window_set_title (GTK_WINDOW (icon), name);

#if HAVE_GTK_MULTIHEAD
  gtk_plug_construct_for_display (GTK_PLUG (icon),
                                  gdk_screen_get_display (screen), 0);
#else
  gtk_plug_construct (GTK_PLUG (icon), 0);
#endif
  
  gtk_widget_realize (GTK_WIDGET (icon));

  /* Now see if there's a manager window around */
  g_snprintf (buffer, sizeof (buffer),
              "_NET_SYSTEM_TRAY_S%d",
              XScreenNumberOfScreen (xscreen));
  
  icon->selection_atom = XInternAtom (DisplayOfScreen (xscreen),
                                      buffer, False);
  
  icon->manager_atom = XInternAtom (DisplayOfScreen (xscreen),
                                    "MANAGER", False);
  
  icon->system_tray_opcode_atom = XInternAtom (DisplayOfScreen (xscreen),
                                               "_NET_SYSTEM_TRAY_OPCODE", False);

  egg_tray_icon_update_manager_window (icon);

#if HAVE_GTK_MULTIHEAD
  root_window = gdk_screen_get_root_window (screen);
#else
  root_window = gdk_window_lookup (gdk_x11_get_default_root_xwindow ());
#endif
  
  /* Add a root window filter so that we get changes on MANAGER */
  gdk_window_add_filter (root_window,
                         egg_tray_icon_manager_filter, icon);
                      
  return icon;
}

guint egg_tray_icon_send_message	(	EggTrayIcon *	icon,
		gint	timeout,
		const gchar *	message,
		gint	len
	)

Definition at line 268 of file eggtrayicon.c.

References EGG_IS_TRAY_ICON, and SYSTEM_TRAY_BEGIN_MESSAGE.

{
  guint stamp;
  
  g_return_val_if_fail (EGG_IS_TRAY_ICON (icon), 0);
  g_return_val_if_fail (timeout >= 0, 0);
  g_return_val_if_fail (message != NULL, 0);
                     
  if (icon->manager_window == None)
    return 0;

  if (len < 0)
    len = strlen (message);

  stamp = icon->stamp++;
  
  /* Get ready to send the message */
  egg_tray_icon_send_manager_message (icon, SYSTEM_TRAY_BEGIN_MESSAGE,
                                      (Window)gtk_plug_get_id (GTK_PLUG (icon)),
                                      timeout, len, stamp);

  /* Now to send the actual message */
  gdk_error_trap_push ();
  while (len > 0)
    {
      XClientMessageEvent ev;
      Display *xdisplay;

#if HAVE_GTK_MULTIHEAD
      xdisplay = GDK_DISPLAY_XDISPLAY (gtk_widget_get_display (GTK_WIDGET (icon)));
#else
      xdisplay = gdk_display;
#endif
      
      ev.type = ClientMessage;
      ev.window = (Window)gtk_plug_get_id (GTK_PLUG (icon));
      ev.format = 8;
      ev.message_type = XInternAtom (xdisplay,
                                     "_NET_SYSTEM_TRAY_MESSAGE_DATA", False);
      if (len > 20)
        {
          memcpy (&ev.data, message, 20);
          len -= 20;
          message += 20;
        }
      else
        {
          memcpy (&ev.data, message, len);
          len = 0;
        }

      XSendEvent (xdisplay,
                  icon->manager_window, False, StructureNotifyMask, (XEvent *)&ev);
      XSync (xdisplay, False);
    }
  gdk_error_trap_pop ();

  return stamp;
}

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