displaywidget.h 2.7 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980
  1. /****************************************************************************
  2. **
  3. ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
  4. ** Contact: http://www.qt-project.org/legal
  5. **
  6. ** This file is part of the examples of the Qt Toolkit.
  7. **
  8. ** $QT_BEGIN_LICENSE:BSD$
  9. ** You may use this file under the terms of the BSD license as follows:
  10. **
  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.
  23. **
  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
  29. ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30. ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  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. ** $QT_END_LICENSE$
  38. **
  39. ****************************************************************************/
  40. #ifndef DISPLAYWIDGET_H
  41. #define DISPLAYWIDGET_H
  42. #include <QColor>
  43. #include <QHash>
  44. #include <QWidget>
  45. //! [DisplayWidget class definition]
  46. class DisplayWidget : public QWidget
  47. {
  48. Q_OBJECT
  49. public:
  50. enum Shape { House = 0, Car = 1 };
  51. enum Background { Sky = 0, Trees = 1, Road = 2 };
  52. DisplayWidget(QWidget *parent = 0);
  53. QColor color() const;
  54. void paint(QPainter &painter);
  55. public slots:
  56. void setBackground(Background background);
  57. void setColor(const QColor &color);
  58. void setShape(Shape shape);
  59. protected:
  60. void paintEvent(QPaintEvent *event);
  61. private:
  62. Background background;
  63. QColor shapeColor;
  64. Shape shape;
  65. QHash<Shape,QPainterPath> shapeMap;
  66. QPainterPath moon;
  67. QPainterPath tree;
  68. };
  69. //! [DisplayWidget class definition]
  70. #endif