Developer Documentation

elementArea.hh
1 /*===========================================================================*\
2 * *
3 * OpenFlipper *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openflipper.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenFlipper. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 \*===========================================================================*/
41
42
43
44 #ifndef VSI_ELEMENTAREA_HH
45 #define VSI_ELEMENTAREA_HH
46
47 //== INCLUDES =================================================================
48 #include <QGraphicsItem>
49
50 //== NAMESPACES ===============================================================
51 namespace VSI {
52
53 //== FORWARDDECLARATIONS ======================================================
54 class GraphicsScene;
55 class SceneElement;
56
57 //== CLASS DEFINITION =========================================================
58
62 class ElementArea : public QObject, public QGraphicsItem
63 {
64 Q_OBJECT
65 Q_INTERFACES(QGraphicsItem)
66
67 public:
68
70 explicit ElementArea (GraphicsScene *_scene);
71
73 ~ElementArea ();
74
76 void addElement (SceneElement *_element);
77
79 bool removeElement (SceneElement *_element, bool _force = false);
80
82 QRectF boundingRect () const;
83
85 const QList<SceneElement *>& elements () const;
86
88 void paint (QPainter * /*_painter*/, const QStyleOptionGraphicsItem * /*_option*/, QWidget * /*_widget*/ = 0) {};
89
90 private:
91 GraphicsScene *scene_;
92
93 QList<SceneElement *> elements_;
94
95 QRectF elementsBoundingRect_;
96 };
97
98 }
99
100 #endif
VSI::ElementArea::ElementArea
ElementArea(GraphicsScene *_scene)
Constructor.
Definition: elementArea.cc:63
VSI::ElementArea::paint
void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *=0)
for QGraphicsItem
Definition: elementArea.hh:88
VSI::ElementArea::boundingRect
QRectF boundingRect() const
Bounding rectangle.
Definition: elementArea.cc:78
VSI::ElementArea::addElement
void addElement(SceneElement *_element)
Add a child element.
Definition: elementArea.cc:86
VSI::ElementArea
Definition: elementArea.hh:62
VSI::ElementArea::~ElementArea
~ElementArea()
Destructor.
Definition: elementArea.cc:71
VSI::SceneElement
Definition: sceneElement.hh:73
VSI::ElementArea::removeElement
bool removeElement(SceneElement *_element, bool _force=false)
Remove an element, if its removeable or _force is set.
Definition: elementArea.cc:103
VSI
Definition: baseWidget.cc:72
VSI::GraphicsScene
Definition: graphicsScene.hh:80
VSI::ElementArea::elements
const QList< SceneElement * > & elements() const
All elements.
Definition: elementArea.cc:123