C++ (Cpp) gdk_win32_window_foreign_new_for_display Examples

Example #1

File: gimpui.c Project: DevMaggio/gimp

static GdkWindow *
gimp_ui_get_foreign_window (guint32 window)
{
#ifdef GDK_WINDOWING_X11
  return gdk_x11_window_foreign_new_for_display (gdk_display_get_default (),
                                                 window);
#endif

#ifdef GDK_WINDOWING_WIN32
  return gdk_win32_window_foreign_new_for_display (gdk_display_get_default (),
                                                   window);
#endif

  return NULL;
}

Example #2

File: gdkdisplay-win32.c Project: nvieirafelipe/gtk

/*
 * maybe this should be integrated with the default message loop - or maybe not ;-)
 */
static LRESULT CALLBACK
inner_clipboard_window_procedure (HWND   hwnd,
                                  UINT   message,
                                  WPARAM wparam,
                                  LPARAM lparam)
{
  switch (message)
    {
    case WM_DESTROY: /* remove us from chain */
      {
        ChangeClipboardChain (hwnd, _hwnd_next_viewer);
        PostQuitMessage (0);
        return 0;
      }
    case WM_CHANGECBCHAIN:
      {
        HWND hwndRemove = (HWND) wparam; /* handle of window being removed */
        HWND hwndNext   = (HWND) lparam; /* handle of next window in chain */

        if (hwndRemove == _hwnd_next_viewer)
          _hwnd_next_viewer = hwndNext == hwnd ? NULL : hwndNext;
        else if (_hwnd_next_viewer != NULL)
          return SendMessage (_hwnd_next_viewer, message, wparam, lparam);

        return 0;
      }
    case WM_CLIPBOARDUPDATE:
    case WM_DRAWCLIPBOARD:
      {
        int success;
        HWND hwndOwner;
#ifdef G_ENABLE_DEBUG
        UINT nFormat = 0;
#endif
        GdkEvent *event;
        GdkWindow *owner;

        success = OpenClipboard (hwnd);
        if (!success)
          {
            g_warning ("Failed to OpenClipboard on window handle %p", hwnd);
            return 0;
          }

        hwndOwner = GetClipboardOwner ();
        owner = gdk_win32_window_lookup_for_display (_gdk_display, hwndOwner);
        if (owner == NULL)
          owner = gdk_win32_window_foreign_new_for_display (_gdk_display, hwndOwner);

        GDK_NOTE (DND, g_print (" drawclipboard owner: %p", hwndOwner));

#ifdef G_ENABLE_DEBUG
        if (_gdk_debug_flags & GDK_DEBUG_DND)
          {
            while ((nFormat = EnumClipboardFormats (nFormat)) != 0)
              g_print ("%s ", _gdk_win32_cf_to_string (nFormat));
          }
#endif

        GDK_NOTE (DND, g_print (" \n"));

        event = gdk_event_new (GDK_OWNER_CHANGE);
        event->owner_change.window = gdk_get_default_root_window ();
        event->owner_change.owner = owner;
        event->owner_change.reason = GDK_OWNER_CHANGE_NEW_OWNER;
        event->owner_change.selection = GDK_SELECTION_CLIPBOARD;
        event->owner_change.time = _gdk_win32_get_next_tick (0);
        event->owner_change.selection_time = GDK_CURRENT_TIME;
        _gdk_win32_append_event (event);

        CloseClipboard ();

        if (_hwnd_next_viewer != NULL)
          return SendMessage (_hwnd_next_viewer, message, wparam, lparam);

        /* clear error to avoid confusing SetClipboardViewer() return */
        SetLastError (0);
        return 0;
      }
    default:
      /* Otherwise call DefWindowProcW(). */
      GDK_NOTE (EVENTS, g_print (" DefWindowProcW"));
      return DefWindowProc (hwnd, message, wparam, lparam);
    }
}