.. _program_listing_file__tmp_ws_src_mapviz_mapviz_plugins_include_mapviz_plugins_placeable_window_proxy.h:

Program Listing for File placeable_window_proxy.h
=================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_mapviz_mapviz_plugins_include_mapviz_plugins_placeable_window_proxy.h>` (``/tmp/ws/src/mapviz/mapviz_plugins/include/mapviz_plugins/placeable_window_proxy.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // *****************************************************************************
   //
   // Copyright (c) 2014, Southwest Research Institute® (SwRI®)
   // All rights reserved.
   //
   // Redistribution and use in source and binary forms, with or without
   // modification, are permitted provided that the following conditions are met:
   //     * Redistributions of source code must retain the above copyright
   //       notice, this list of conditions and the following disclaimer.
   //     * Redistributions in binary form must reproduce the above copyright
   //       notice, this list of conditions and the following disclaimer in the
   //       documentation and/or other materials provided with the distribution.
   //     * Neither the name of Southwest Research Institute® (SwRI®) nor the
   //       names of its contributors may be used to endorse or promote products
   //       derived from this software without specific prior written permission.
   //
   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   // ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
   // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   //
   // *****************************************************************************
   #ifndef MAPVIZ_PLUGINS__PLACEABLE_WINDOW_PROXY_H_
   #define MAPVIZ_PLUGINS__PLACEABLE_WINDOW_PROXY_H_
   
   #include <QObject>
   #include <QRect>
   #include <QPoint>
   
   QT_BEGIN_NAMESPACE;
   class QMouseEvent;
   class QResizeEvent;
   QT_END_NAMESPACE;
   
   namespace mapviz_plugins
   {
   class PlaceableWindowProxy : public QObject
   {
   Q_OBJECT
   
   public:
     PlaceableWindowProxy();
     ~PlaceableWindowProxy() override;
   
     void setContainer(QWidget *);
   
     QRect rect() const;
   
   Q_SIGNALS:
     void rectChanged(const QRect &);
   
   public Q_SLOTS:
     void setRect(const QRect &);
     void setVisible(bool visible);
   
   protected:
     bool eventFilter(QObject *object, QEvent *event) override;
   
     bool handleMousePress(QMouseEvent *);
     bool handleMouseRelease(QMouseEvent *);
     bool handleMouseMove(QMouseEvent *);
     bool handleResize(QResizeEvent *);
   
     void timerEvent(QTimerEvent *) override;
   
     void rectResize(int dx, int dy);
     void winResize(const QSize &);
   
     QRectF resizeHelper(const QRectF &rect,
                         const QPointF &p1,
                         const QPointF &p2,
                         const QPointF &p3) const;
   
   
   
   private:
     enum State {
       INACTIVE = 0,
       MOVE_ALL,
       MOVE_TOP_LEFT,
       MOVE_BOTTOM_LEFT,
       MOVE_BOTTOM_RIGHT,
       MOVE_TOP_RIGHT
     };
   
     QWidget *target_;
     bool visible_;
   
     bool has_cursor_;
     State state_;
     QRectF rect_;
   
     QRectF start_rect_;
     QPoint start_point_;
   
     int win_resize_timer_;
   
     State getNextState(const QPointF &pt) const;
   };  // class PlaceableWindowProxy
   }  // namespace mapviz_plugins
   #endif  // MAPVIZ_PLUGINS__PLACEABLE_WINDOW_PROXY_H_