C++ (Cpp) gdk_display_is_closed示例

示例#1

文件： gdkproperty-x11.c 项目： rightpeter/gtk-1

/**
 * gdk_x11_atom_to_xatom_for_display:
 * @display: (type GdkX11Display): A #GdkDisplay
 * @atom: A #GdkAtom, or %GDK_NONE
 *
 * Converts from a #GdkAtom to the X atom for a #GdkDisplay
 * with the same string value. The special value %GDK_NONE
 * is converted to %None.
 *
 * Return value: the X atom corresponding to @atom, or %None
 *
 * Since: 2.2
 **/
Atom
gdk_x11_atom_to_xatom_for_display (GdkDisplay *display,
				   GdkAtom     atom)
{
  Atom xatom = None;

  g_return_val_if_fail (GDK_IS_DISPLAY (display), None);

  if (atom == GDK_NONE)
    return None;

  if (gdk_display_is_closed (display))
    return None;

  xatom = lookup_cached_xatom (display, atom);

  if (!xatom)
    {
      char *name = gdk_atom_name (atom);

      xatom = XInternAtom (GDK_DISPLAY_XDISPLAY (display), name, FALSE);
      insert_atom_pair (display, atom, xatom);

      g_free (name);
    }

  return xatom;
}

示例#2

文件： gdkproperty-x11.c 项目： rightpeter/gtk-1

/**
 * gdk_x11_xatom_to_atom_for_display:
 * @display: (type GdkX11Display): A #GdkDisplay
 * @xatom: an X atom 
 * 
 * Convert from an X atom for a #GdkDisplay to the corresponding
 * #GdkAtom.
 * 
 * Return value: (transfer none): the corresponding #GdkAtom.
 *
 * Since: 2.2
 **/
GdkAtom
gdk_x11_xatom_to_atom_for_display (GdkDisplay *display,
				   Atom	       xatom)
{
  GdkX11Display *display_x11;
  GdkAtom virtual_atom = GDK_NONE;
  
  g_return_val_if_fail (GDK_IS_DISPLAY (display), GDK_NONE);

  if (xatom == None)
    return GDK_NONE;

  if (gdk_display_is_closed (display))
    return GDK_NONE;

  display_x11 = GDK_X11_DISPLAY (display);
  
  if (xatom < G_N_ELEMENTS (xatoms_offset) - N_CUSTOM_PREDEFINED)
    return INDEX_TO_ATOM (xatom);
  
  if (display_x11->atom_to_virtual)
    virtual_atom = GDK_POINTER_TO_ATOM (g_hash_table_lookup (display_x11->atom_to_virtual,
							     GUINT_TO_POINTER (xatom)));
  
  if (!virtual_atom)
    {
      /* If this atom doesn't exist, we'll die with an X error unless
       * we take precautions
       */
      char *name;
      gdk_x11_display_error_trap_push (display);
      name = XGetAtomName (GDK_DISPLAY_XDISPLAY (display), xatom);
      if (gdk_x11_display_error_trap_pop (display))
	{
	  g_warning (G_STRLOC " invalid X atom: %ld", xatom);
	}
      else
	{
	  virtual_atom = gdk_atom_intern (name, FALSE);
	  XFree (name);
	  
	  insert_atom_pair (display, virtual_atom, xatom);
	}
    }

  return virtual_atom;
}

示例#3

文件： gdkmain-x11.c 项目： Davletvm/gtk

gint
_gdk_x11_display_send_xevent (GdkDisplay *display,
                              Window      window,
                              gboolean    propagate,
                              glong       event_mask,
                              XEvent     *event_send)
{
  gboolean result;

  if (gdk_display_is_closed (display))
    return FALSE;

  gdk_x11_display_error_trap_push (display);
  result = XSendEvent (GDK_DISPLAY_XDISPLAY (display), window,
                       propagate, event_mask, event_send);
  XSync (GDK_DISPLAY_XDISPLAY (display), False);

  if (gdk_x11_display_error_trap_pop (display))
    return FALSE;

  return result;
}

示例#4

文件： rbgdkdisplay.c 项目： Mazwak/ruby-gnome2

static VALUE
rg_closed_p(VALUE self)
{
    return CBOOL2RVAL(gdk_display_is_closed(_SELF(self)));
}