00001 /* 00002 * Copyright (c) 2012, Willow Garage, Inc. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of the Willow Garage, Inc. nor the names of its 00014 * contributors may be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 #ifndef SPLITTER_HANDLE_H 00030 #define SPLITTER_HANDLE_H 00031 00032 #include <QWidget> 00033 00034 class QTreeView; 00035 00036 namespace rviz 00037 { 00038 00043 class SplitterHandle: public QWidget 00044 { 00045 Q_OBJECT 00046 public: 00047 SplitterHandle( QTreeView* parent = 0 ); 00048 00050 void setRatio( float ratio ); 00051 00053 float getRatio(); 00054 00057 bool eventFilter( QObject* event_target, QEvent* event ); 00058 00059 void setColor( QColor color ) { color_ = color; update(); } 00060 QColor getColor() const { return color_; } 00061 00062 protected: 00063 virtual void mousePressEvent( QMouseEvent* event ); 00064 virtual void mouseMoveEvent( QMouseEvent* event ); 00065 virtual void paintEvent( QPaintEvent* event ); 00066 00067 private: 00070 void updateGeometry(); 00071 00072 QTreeView* parent_; 00073 int x_press_offset_; 00074 00077 float first_column_size_ratio_; 00078 QColor color_; 00079 }; 00080 00081 } // end namespace rviz 00082 00083 #endif // SPLITTER_HANDLE_H