File indexing completed on 2024-05-12 13:53:11
0001 /***************************************************************************** 0002 * Copyright 2007 - 2010 Craig Drummond <craig.p.drummond@gmail.com> * 0003 * Copyright 2013 - 2015 Yichao Yu <yyc1992@gmail.com> * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify * 0006 * it under the terms of the GNU Lesser General Public License as * 0007 * published by the Free Software Foundation; either version 2.1 of the * 0008 * License, or (at your option) version 3, or any later version accepted * 0009 * by the membership of KDE e.V. (or its successor approved by the * 0010 * membership of KDE e.V.), which shall act as a proxy defined in * 0011 * Section 6 of version 3 of the license. * 0012 * * 0013 * This program is distributed in the hope that it will be useful, * 0014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 0016 * Lesser General Public License for more details. * 0017 * * 0018 * You should have received a copy of the GNU Lesser General Public * 0019 * License along with this library. If not, * 0020 * see <http://www.gnu.org/licenses/>. * 0021 *****************************************************************************/ 0022 0023 #include "config.h" 0024 #include <qtcurve-utils/x11utils.h> 0025 #include <qtcurve-utils/log.h> 0026 0027 #include "utils.h" 0028 #include <QDir> 0029 0030 #ifdef Q_WS_X11 0031 # include <QX11Info> 0032 #endif 0033 0034 #ifndef QTC_QT4_ENABLE_KDE 0035 # undef KDE_IS_VERSION 0036 # define KDE_IS_VERSION(A, B, C) 0 0037 #else 0038 # include <kdeversion.h> 0039 # include <KDE/KWindowSystem> 0040 #endif 0041 0042 namespace QtCurve { 0043 namespace Utils { 0044 0045 bool 0046 compositingActive() 0047 { 0048 #if !defined QTC_QT4_ENABLE_KDE || !KDE_IS_VERSION(4, 4, 0) 0049 return qtcX11CompositingActive(); 0050 #else // QTC_QT4_ENABLE_KDE 0051 return KWindowSystem::compositingActive(); 0052 #endif // QTC_QT4_ENABLE_KDE 0053 } 0054 0055 bool 0056 hasAlphaChannel(const QWidget *widget) 0057 { 0058 QTC_RET_IF_FAIL(widget, false); 0059 #ifdef Q_WS_X11 0060 return widget->x11Info().depth() == 32; 0061 #else 0062 return compositingActive(); 0063 #endif 0064 } 0065 0066 QString kdeHome() 0067 { 0068 static QString kdeHomePath; 0069 if (kdeHomePath.isEmpty()) { 0070 kdeHomePath = QString::fromLocal8Bit(qgetenv("KDEHOME")); 0071 if (kdeHomePath.isEmpty()) { 0072 const QString homePath = QDir::homePath(); 0073 const QDir homeDir = QDir(homePath); 0074 if (homeDir.exists(QLatin1String(".kde4"))) { 0075 kdeHomePath = homePath + "/.kde4"; 0076 } else { 0077 kdeHomePath = homePath + "/.kde"; 0078 } 0079 } 0080 } 0081 return kdeHomePath; 0082 } 0083 0084 } 0085 }