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1 | /**************************************************************************** |
2 | ** |
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3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
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5 | ** |
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6 | ** This file is part of the examples of the Qt Toolkit. |
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7 | ** |
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8 | ** $QT_BEGIN_LICENSE:BSD$ |
9 | ** You may use this file under the terms of the BSD license as follows: |
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10 | ** |
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11 | ** "Redistribution and use in source and binary forms, with or without |
12 | ** modification, are permitted provided that the following conditions are |
13 | ** met: |
14 | ** * Redistributions of source code must retain the above copyright |
15 | ** notice, this list of conditions and the following disclaimer. |
16 | ** * Redistributions in binary form must reproduce the above copyright |
17 | ** notice, this list of conditions and the following disclaimer in |
18 | ** the documentation and/or other materials provided with the |
19 | ** distribution. |
20 | ** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names |
21 | ** of its contributors may be used to endorse or promote products derived |
22 | ** from this software without specific prior written permission. |
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23 | ** |
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24 | ** |
25 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
26 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
27 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
28 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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31 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
32 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
33 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
34 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
35 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
36 | ** |
37 | ** $QT_END_LICENSE$ |
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38 | ** |
39 | ****************************************************************************/ |
40 | |
41 | #ifndef GRAPHWIDGET_H |
42 | #define GRAPHWIDGET_H |
43 | |
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44 | #include <Standard_WarningsDisable.hxx> |
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45 | #include <QGraphicsView> |
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46 | #include <Standard_WarningsRestore.hxx> |
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47 | |
48 | #include "FThread.h" |
49 | |
50 | #include <TDocStd_Document.hxx> |
51 | #include <TDF_Label.hxx> |
52 | |
53 | class Node; |
54 | |
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55 | //! [0] |
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56 | class GraphWidget : public QGraphicsView |
57 | { |
58 | Q_OBJECT |
59 | |
60 | public: |
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61 | GraphWidget(QWidget *parent = 0); |
62 | ~GraphWidget(); |
63 | |
64 | void itemMoved(); |
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65 | |
66 | bool createModel(const Handle(TDocStd_Document)& doc); |
67 | Handle(TDocStd_Document) getDocument() { return myDocument; } |
68 | |
69 | Node* findNode(const TDF_Label& ); |
70 | void setNbThreads(const int nb); |
71 | int getNbThreads(); |
72 | void accelerateThread(const int thread_index); |
73 | void slowDownThread(const int thread_index); |
74 | void compute(); |
75 | |
76 | void setFinished(); |
77 | bool isFinished(); |
78 | |
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79 | public slots: |
80 | void shuffle(); |
81 | void zoomIn(); |
82 | void zoomOut(); |
83 | |
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84 | protected: |
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85 | void keyPressEvent(QKeyEvent *event); |
86 | void timerEvent(QTimerEvent *event); |
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87 | void wheelEvent(QWheelEvent *event); |
88 | void drawBackground(QPainter *painter, const QRectF &rect); |
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89 | |
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90 | void scaleView(qreal scaleFactor); |
91 | |
92 | private: |
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93 | int timerId; |
94 | Node *centerNode; |
95 | |
96 | private: |
97 | Standard_Mutex myMutex; |
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98 | Handle(TDocStd_Document) myDocument; |
99 | int myNbThreads; |
100 | FThread* myThread1; |
101 | FThread* myThread2; |
102 | FThread* myThread3; |
103 | FThread* myThread4; |
104 | int myNbFinishedThreads; |
105 | }; |
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106 | //! [0] |
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107 | |
108 | #endif |