Quantum GIS API Documentation  1.7.4
src/gui/qgscomposerview.h
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00001 /***************************************************************************
00002                          qgscomposerview.h
00003                              -------------------
00004     begin                : January 2005
00005     copyright            : (C) 2005 by Radim Blazek
00006     email                : blazek@itc.it
00007  ***************************************************************************/
00008 
00009 /***************************************************************************
00010  *                                                                         *
00011  *   This program is free software; you can redistribute it and/or modify  *
00012  *   it under the terms of the GNU General Public License as published by  *
00013  *   the Free Software Foundation; either version 2 of the License, or     *
00014  *   (at your option) any later version.                                   *
00015  *                                                                         *
00016  ***************************************************************************/
00017 /* $Id$ */
00018 #ifndef QGSCOMPOSERVIEW_H
00019 #define QGSCOMPOSERVIEW_H
00020 
00021 #include <QGraphicsView>
00022 #include "qgsaddremoveitemcommand.h"
00023 
00024 class QKeyEvent;
00025 class QMainWindow;
00026 class QMouseEvent;
00027 class QgsComposition;
00028 class QgsComposerArrow;
00029 class QgsComposerItem;
00030 class QgsComposerLabel;
00031 class QgsComposerLegend;
00032 class QgsComposerMap;
00033 class QgsComposerPicture;
00034 class QgsComposerScaleBar;
00035 class QgsComposerShape;
00036 class QgsComposerAttributeTable;
00037 
00045 class GUI_EXPORT QgsComposerView: public QGraphicsView
00046 {
00047     Q_OBJECT
00048 
00049   public:
00050 
00052     enum Tool
00053     {
00054       Select = 0,      // Select/Move item
00055       AddArrow,         //add arrow
00056       AddMap,          // add new map
00057       AddLegend, // add vector legend
00058       AddLabel,        // add label
00059       AddScalebar,     // add scalebar
00060       AddPicture,       // add raster/vector picture
00061       AddShape, //add shape item (ellipse, rectangle, triangle)
00062       AddTable, //add attribute table
00063       MoveItemContent //move content of item (e.g. content of map)
00064     };
00065 
00066     QgsComposerView( QWidget* parent = 0, const char* name = 0, Qt::WFlags f = 0 );
00067 
00069     void groupItems();
00070 
00072     void ungroupItems();
00073 
00074     QgsComposerView::Tool currentTool() const {return mCurrentTool;}
00075     void setCurrentTool( QgsComposerView::Tool t ) {mCurrentTool = t;}
00076 
00078     void setComposition( QgsComposition* c );
00080     QgsComposition* composition();
00081 
00083     void addComposerArrow( QgsComposerArrow* arrow );
00085     void addComposerLabel( QgsComposerLabel* label );
00087     void addComposerMap( QgsComposerMap* map );
00089     void addComposerScaleBar( QgsComposerScaleBar* scaleBar );
00091     void addComposerLegend( QgsComposerLegend* legend );
00093     void addComposerPicture( QgsComposerPicture* picture );
00095     void addComposerShape( QgsComposerShape* shape );
00097     void addComposerTable( QgsComposerAttributeTable* table );
00098 
00100     QMainWindow* composerWindow();
00101 
00102     void setPaintingEnabled( bool enabled ) { mPaintingEnabled = enabled; }
00103     bool paintingEnabled() const { return mPaintingEnabled; }
00104 
00106     void pushAddRemoveCommand( QgsComposerItem* item, const QString& text, QgsAddRemoveItemCommand::State state = QgsAddRemoveItemCommand::Added );
00107 
00108   protected:
00109     void mousePressEvent( QMouseEvent* );
00110     void mouseReleaseEvent( QMouseEvent* );
00111     void mouseMoveEvent( QMouseEvent* );
00112     void mouseDoubleClickEvent( QMouseEvent* e );
00113 
00114     void keyPressEvent( QKeyEvent * e );
00115     void keyReleaseEvent( QKeyEvent * e );
00116 
00117     void wheelEvent( QWheelEvent* event );
00118 
00119     void paintEvent( QPaintEvent* event );
00120 
00121 
00122   private:
00124     bool mShiftKeyPressed;
00126     QgsComposerView::Tool mCurrentTool;
00128     QGraphicsRectItem* mRubberBandItem;
00130     QGraphicsLineItem* mRubberBandLineItem;
00132     QgsComposerItem* mMoveContentItem;
00134     QPointF mMoveContentStartPos;
00136     QPointF mRubberBandStartPos;
00137 
00138     bool mPaintingEnabled;
00139 
00140     void connectAddRemoveCommandSignals( QgsAddRemoveItemCommand* c );
00141 
00142 
00143   public slots:
00145     void sendItemAddedSignal( QgsComposerItem* item );
00146 
00147   signals:
00149     void selectedItemChanged( QgsComposerItem* selected );
00151     void composerArrowAdded( QgsComposerArrow* arrow );
00153     void composerLabelAdded( QgsComposerLabel* label );
00155     void composerMapAdded( QgsComposerMap* map );
00157     void composerScaleBarAdded( QgsComposerScaleBar* scalebar );
00159     void composerLegendAdded( QgsComposerLegend* legend );
00161     void composerPictureAdded( QgsComposerPicture* picture );
00163     void composerShapeAdded( QgsComposerShape* shape );
00165     void composerTableAdded( QgsComposerAttributeTable* table );
00167     void itemRemoved( QgsComposerItem* );
00170     void actionFinished();
00171 };
00172 
00173 #endif
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