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0001 /*****************************************************************************
0002  *   Copyright 2014 - 2015 Yichao Yu <yyc1992@gmail.com>                     *
0003  *                                                                           *
0004  *   This program is free software; you can redistribute it and/or modify    *
0005  *   it under the terms of the GNU Lesser General Public License as          *
0006  *   published by the Free Software Foundation; either version 2.1 of the    *
0007  *   License, or (at your option) version 3, or any later version accepted   *
0008  *   by the membership of KDE e.V. (or its successor approved by the         *
0009  *   membership of KDE e.V.), which shall act as a proxy defined in          *
0010  *   Section 6 of version 3 of the license.                                  *
0011  *                                                                           *
0012  *   This program is distributed in the hope that it will be useful,         *
0013  *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
0014  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU       *
0015  *   Lesser General Public License for more details.                         *
0016  *                                                                           *
0017  *   You should have received a copy of the GNU Lesser General Public        *
0018  *   License along with this library. If not,                                *
0019  *   see <http://www.gnu.org/licenses/>.                                     *
0020  *****************************************************************************/
0021 
0022 #ifndef __ARGBHELPER_H__
0023 #define __ARGBHELPER_H__
0024 
0025 #include <QtGlobal>
0026 #ifdef Q_WS_X11
0027 #  include <QX11Info>
0028 #else
0029 class QX11Info {
0030 };
0031 #endif
0032 #include <qtcurve-utils/utils.h>
0033 
0034 class QWidget;
0035 
0036 namespace QtCurve {
0037 // TODO, turn this into a complete helper class.
0038 //     The QtcX11Info struct and the <QX11Info> include are in the header file
0039 //     only for QtcX11Info::creatingDummy. Should move to argbhelper.cpp once
0040 //     the real helper class is done.
0041 
0042 // Access protected functions.
0043 struct QtcX11Info: public QX11Info {
0044     static bool creatingDummy;
0045 private:
0046     static QtcX11Info *getInfo(const QWidget *w);
0047     QWidget *rgbaDummy();
0048     void fixVisual();
0049     void setRgba();
0050     friend void fixVisual(QWidget *widget);
0051     friend void addAlphaChannel(QWidget *widget);
0052 };
0053 
0054 void fixVisual(QWidget *widget);
0055 void addAlphaChannel(QWidget *widget);
0056 
0057 }
0058 
0059 #endif