libyui-qt
2.43.5
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00001 /* 00002 Copyright (C) 2000-2012 Novell, Inc 00003 This library is free software; you can redistribute it and/or modify 00004 it under the terms of the GNU Lesser General Public License as 00005 published by the Free Software Foundation; either version 2.1 of the 00006 License, or (at your option) version 3.0 of the License. This library 00007 is distributed in the hope that it will be useful, but WITHOUT ANY 00008 WARRANTY; without even the implied warranty of MERCHANTABILITY or 00009 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00010 License for more details. You should have received a copy of the GNU 00011 Lesser General Public License along with this library; if not, write 00012 to the Free Software Foundation, Inc., 51 Franklin Street, Fifth 00013 Floor, Boston, MA 02110-1301 USA 00014 */ 00015 00016 00017 /*-/ 00018 00019 File: QY2Styler.h 00020 00021 Author: Stefan Kulow <coolo@suse.de> 00022 00023 /-*/ 00024 00025 00026 #ifndef QY2Styler_h 00027 #define QY2Styler_h 00028 00029 #include <QObject> 00030 #include <QHash> 00031 #include <QString> 00032 #include <QImage> 00033 #include <QMap> 00034 00035 00036 class QY2Styler : public QObject 00037 { 00038 Q_OBJECT 00039 00040 protected: 00041 00042 /** 00043 * Constructor. Use the static styler() function instead to return the 00044 * singleton for this class. 00045 **/ 00046 QY2Styler( QObject * parent ); 00047 00048 public: 00049 00050 static QY2Styler * styler(); 00051 00052 void loadStyleSheet( const QString &file ); // reads style sheet form a file 00053 void setStyleSheet( const QString & text ); 00054 QString themeDir() const; 00055 void registerWidget( QWidget *widget ); 00056 void unregisterWidget( QWidget *widget ); 00057 void registerChildWidget( QWidget *parent, QWidget *widget ); 00058 QString textStyle() const { return _textStyle; } 00059 00060 bool updateRendering( QWidget *wid ); 00061 00062 protected: 00063 void renderParent( QWidget *wid ); 00064 QImage getScaled( const QString name, const QSize & size ); 00065 00066 /** 00067 * Search and replace some self-defined macros in the style sheet. 00068 * Among other things, expands the file name inside url( filename.png ) in 00069 * the style sheet with the full path. 00070 **/ 00071 void processUrls( QString & text ); 00072 00073 /* 00074 * Reimplemented from QObject. 00075 **/ 00076 bool eventFilter( QObject * obj, QEvent * ev ); 00077 00078 00079 private: 00080 00081 struct BackgrInfo 00082 { 00083 QString filename; 00084 QImage pix; 00085 QImage scaled; 00086 QSize lastscale; 00087 bool full; 00088 }; 00089 00090 QHash<QString,BackgrInfo> _backgrounds; 00091 QMap<QWidget*, QList< QWidget* > > _children; 00092 QString _style; 00093 QString _textStyle; 00094 }; 00095 00096 00097 #endif // QY2Styler_h