vcl/qt5/QtX11Support.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <QtX11Support.hxx>
  11
  12 #include <config_vclplug.h>
  13
  14 #include <QtCore/QVersionNumber>
  15
  16 #include <QtInstance.hxx>
  17 #include <QtTools.hxx>
  18
  19 #if CHECK_QT5_USING_X11
  20 #include <QtX11Extras/QX11Info>
  21 #endif
  22
  23 #include <unx/gensys.h>
  24
  25 void QtX11Support::setApplicationID(const xcb_window_t nWinId, std::u16string_view rWMClass)
  26 {
  27 #if CHECK_QT5_USING_X11
  28     OString aResClass = OUStringToOString(rWMClass, RTL_TEXTENCODING_ASCII_US);
  29     const char* pResClass
  30         = !aResClass.isEmpty() ? aResClass.getStr() : SalGenericSystem::getFrameClassName();
  31     OString aResName = SalGenericSystem::getFrameResName();
  32
  33     // the WM_CLASS data consists of two concatenated cstrings, including the terminating '\0' chars
  34     const uint32_t data_len = aResName.getLength() + 1 + strlen(pResClass) + 1;
  35     char* data = new char[data_len];
  36     memcpy(data, aResName.getStr(), aResName.getLength() + 1);
  37     memcpy(data + aResName.getLength() + 1, pResClass, strlen(pResClass) + 1);
  38
  39     xcb_change_property(QX11Info::connection(), XCB_PROP_MODE_REPLACE, nWinId, XCB_ATOM_WM_CLASS,
  40                         XCB_ATOM_STRING, 8, data_len, data);
  41     delete[] data;
  42 #else
  43     Q_UNUSED(nWinId);
  44     Q_UNUSED(rWMClass);
  45 #endif
  46 }
  47
  48 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */