File indexing completed on 2024-05-05 04:21:24
0001 0002 /* 0003 Copyright (c) 2003-2007 Clarence Dang <dang@kde.org> 0004 All rights reserved. 0005 0006 Redistribution and use in source and binary forms, with or without 0007 modification, are permitted provided that the following conditions 0008 are met: 0009 0010 1. Redistributions of source code must retain the above copyright 0011 notice, this list of conditions and the following disclaimer. 0012 2. Redistributions in binary form must reproduce the above copyright 0013 notice, this list of conditions and the following disclaimer in the 0014 documentation and/or other materials provided with the distribution. 0015 0016 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 0017 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 0018 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 0019 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 0020 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 0021 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 0022 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 0023 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 0024 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 0025 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 0026 */ 0027 0028 0029 #ifndef kpDualColorButton_H 0030 #define kpDualColorButton_H 0031 0032 0033 #include <QFrame> 0034 0035 #include "imagelib/kpColor.h" 0036 0037 0038 class kpDualColorButton : public QFrame 0039 { 0040 Q_OBJECT 0041 0042 public: 0043 explicit kpDualColorButton (QWidget *parent); 0044 0045 kpColor color (int which) const; 0046 kpColor foregroundColor () const; 0047 kpColor backgroundColor () const; 0048 0049 public Q_SLOTS: 0050 void setColor (int which, const kpColor &color); 0051 void setForegroundColor (const kpColor &color); 0052 void setBackgroundColor (const kpColor &color); 0053 0054 Q_SIGNALS: 0055 // If you connect to this signal, ignore the following 0056 // foregroundColorChanged() and backgroundColorChanged() signals 0057 void colorsSwapped (const kpColor &newForegroundColor, 0058 const kpColor &newBackgroundColor); 0059 0060 void foregroundColorChanged (const kpColor &color); 0061 void backgroundColorChanged (const kpColor &color); 0062 0063 public: 0064 // (only valid in slots connected to foregroundColorChanged()) 0065 kpColor oldForegroundColor () const; 0066 // (only valid in slots connected to backgroundColorChanged()) 0067 kpColor oldBackgroundColor () const; 0068 0069 public: 0070 QSize sizeHint () const override; 0071 0072 protected: 0073 QRect swapPixmapRect () const; 0074 QRect foregroundBackgroundRect () const; 0075 QRect foregroundRect () const; 0076 QRect backgroundRect () const; 0077 0078 void dragEnterEvent (QDragEnterEvent *e) override; 0079 void dragMoveEvent (QDragMoveEvent *e) override; 0080 void dropEvent (QDropEvent *e) override; 0081 0082 void mousePressEvent (QMouseEvent *e) override; 0083 void mouseMoveEvent (QMouseEvent *e) override; 0084 void mouseReleaseEvent (QMouseEvent *e) override; 0085 0086 void mouseDoubleClickEvent (QMouseEvent *e) override; 0087 0088 void paintEvent (QPaintEvent *e) override; 0089 0090 QPoint m_dragStartPoint; 0091 kpColor m_color [2]; 0092 kpColor m_oldColor [2]; 0093 }; 0094 0095 0096 #endif // kpDualColorButton_H