src/flash.cpp

   1 /*
   2   Copyright (c) 2006 Paolo Capriotti <p.capriotti@sns.it>
   3             (c) 2006 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #include <QWidget>
  12 #include "flash.h"
  13
  14 #if defined(Q_WS_X11) && defined(HAVE_X11)
  15
  16 #include <QX11Info>
  17 #include <X11/Xutil.h>
  18
  19
  20 void Flash::flash(QWidget* widget) {
  21   // thanks to Marcin Jakubowski for this code
  22   // (taken from http://www.qtforum.org/post/52724/lastpost.html#post52724)
  23
  24   Display *xdisplay = QX11Info::display();
  25   Window rootwin = QX11Info::appRootWindow();
  26   Window winId = widget->winId();
  27
  28   static Atom demandsAttention = XInternAtom(xdisplay, "_NET_WM_STATE_DEMANDS_ATTENTION", true);
  29   static Atom wmState = XInternAtom(xdisplay, "_NET_WM_STATE", true);
  30
  31   XEvent e;
  32   e.xclient.type = ClientMessage;
  33   e.xclient.message_type = wmState;
  34   e.xclient.display = xdisplay;
  35   e.xclient.window = winId;
  36   e.xclient.format = 32;
  37   e.xclient.data.l[0] = 1;
  38   e.xclient.data.l[1] = demandsAttention;
  39   e.xclient.data.l[2] = 0l;
  40   e.xclient.data.l[3] = 0l;
  41   e.xclient.data.l[4] = 0l;
  42
  43   XSendEvent(xdisplay, rootwin, False, (SubstructureRedirectMask | SubstructureNotifyMask), &e);
  44 }
  45
  46 #elif defined(Q_WS_WIN)
  47
  48 #include <windows.h>
  49
  50 void Flash::flash(QWidget* widget) {
  51 #if 0
  52   FLASHWINFO fi;
  53   fi.cbSize = sizeof(FLASHWINFO);
  54   fi.hwnd = widget->winId();
  55   fi.dwFlags = FLASHW_TRAY;
  56   fi.uCount = 3;
  57   fi.dwTimeout = 0;
  58
  59   FlashWindowEx(&fi);
  60 #else
  61   FlashWindow(widget->winId(), TRUE);
  62 #endif
  63 }
  64
  65 #elif defined(Q_WS_MAC)
  66
  67 void Flash::flash(QWidget* /*widget*/) {
  68 }
  69
  70 #else
  71
  72 void Flash::flash(QWidget* /*widget*/) {
  73 }
  74
  75 #endif
  76