QGIS API Documentation  3.21.0-Master (56b4176581)
qgsmodelgraphicitem.h
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1 /***************************************************************************
2  qgsmodelgraphicitem.h
3  ----------------------------------
4  Date : February 2020
5  Copyright : (C) 2020 Nyall Dawson
6  Email : nyall dot dawson at gmail dot com
7  ***************************************************************************
8  * *
9  * This program is free software; you can redistribute it and/or modify *
10  * it under the terms of the GNU General Public License as published by *
11  * the Free Software Foundation; either version 2 of the License, or *
12  * (at your option) any later version. *
13  * *
14  ***************************************************************************/
15 
16 #ifndef QGSMODELGRAPHICITEM_H
17 #define QGSMODELGRAPHICITEM_H
18 
19 #include "qgis.h"
20 #include "qgis_gui.h"
21 #include <QGraphicsObject>
22 #include <QPicture>
23 
24 class QgsModelGraphicsView;
26 
28 
29 
36 class GUI_EXPORT QgsModelDesignerFlatButtonGraphicItem : public QGraphicsObject
37 {
38  Q_OBJECT
39  public:
40 
47  QgsModelDesignerFlatButtonGraphicItem( QGraphicsItem *parent SIP_TRANSFERTHIS, const QPicture &picture, const QPointF &position,
48  const QSizeF &size = QSizeF( 16, 16 ) );
49 
50  void paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr ) override;
51  QRectF boundingRect() const override;
52  void hoverEnterEvent( QGraphicsSceneHoverEvent *event ) override;
53  void hoverLeaveEvent( QGraphicsSceneHoverEvent *event ) override;
54  void mousePressEvent( QGraphicsSceneMouseEvent *event ) override;
55 
56 #ifndef SIP_RUN
57 
61  virtual void modelHoverEnterEvent( QgsModelViewMouseEvent *event );
62 
66  virtual void modelHoverLeaveEvent( QgsModelViewMouseEvent *event );
67 
71  virtual void modelPressEvent( QgsModelViewMouseEvent *event );
72 #endif
73 
77  void setPosition( const QPointF &position );
78 
82  QgsModelGraphicsView *view();
83 
84  signals:
85 
89  void clicked();
90 
91  protected:
92 
96  void setPicture( const QPicture &picture );
97 
98  private:
99  QPicture mPicture;
100  QPointF mPosition;
101  QSizeF mSize;
102  bool mHoverState = false;
103 };
104 
105 
112 class GUI_EXPORT QgsModelDesignerFoldButtonGraphicItem : public QgsModelDesignerFlatButtonGraphicItem
113 {
114 
115  Q_OBJECT
116  public:
117 
126  QgsModelDesignerFoldButtonGraphicItem( QGraphicsItem *parent SIP_TRANSFERTHIS, bool folded, const QPointF &position,
127  const QSizeF &size = QSizeF( 11, 11 ) );
128 
129  void mousePressEvent( QGraphicsSceneMouseEvent *event ) override;
130 #ifndef SIP_RUN
131  void modelPressEvent( QgsModelViewMouseEvent *event ) override;
132 #endif
133 
134  signals:
135 
141  void folded( bool folded );
142 
143  private:
144 
145  QPicture mPlusPicture;
146  QPicture mMinusPicture;
147  bool mFolded = false;
148 };
149 
151 
152 #endif // QGSMODELGRAPHICITEM_H
A QgsModelViewMouseEvent is the result of a user interaction with the mouse on a QgsModelGraphicsView...
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53