1 | /* |
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2 | |
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3 | Copyright 2012-2013 Adam Reichold |
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4 | |
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5 | This file is part of qpdfview. |
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6 | |
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7 | qpdfview is free software: you can redistribute it and/or modify |
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8 | it under the terms of the GNU General Public License as published by |
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9 | the Free Software Foundation, either version 2 of the License, or |
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10 | (at your option) any later version. |
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11 | |
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12 | qpdfview is distributed in the hope that it will be useful, |
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13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | GNU General Public License for more details. |
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16 | |
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17 | You should have received a copy of the GNU General Public License |
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18 | along with qpdfview. If not, see <http://www.gnu.org/licenses/>. |
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19 | |
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20 | */ |
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21 | |
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22 | #ifndef PRESENTATIONVIEW_H |
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23 | #define PRESENTATIONVIEW_H |
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24 | |
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25 | #include <QGraphicsView> |
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26 | |
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27 | #include "renderparam.h" |
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28 | |
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29 | namespace qpdfview |
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30 | { |
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31 | |
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32 | namespace Model |
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33 | { |
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34 | class Page; |
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35 | } |
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36 | |
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37 | class Settings; |
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38 | class PageItem; |
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39 | |
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40 | class PresentationView : public QGraphicsView |
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41 | { |
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42 | Q_OBJECT |
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43 | |
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44 | public: |
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45 | PresentationView(const QVector< Model::Page* >& pages, QWidget* parent = 0); |
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46 | ~PresentationView(); |
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47 | |
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48 | int numberOfPages() const { return m_pages.count(); } |
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49 | int currentPage() const { return m_currentPage; } |
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50 | |
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51 | ScaleMode scaleMode() const { return m_scaleMode; } |
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52 | void setScaleMode(ScaleMode scaleMode); |
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53 | |
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54 | qreal scaleFactor() const { return m_scaleFactor; } |
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55 | void setScaleFactor(qreal scaleFactor); |
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56 | |
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57 | Rotation rotation() const { return m_rotation; } |
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58 | void setRotation(Rotation rotation); |
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59 | |
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60 | qpdfview::RenderFlags renderFlags() const { return m_renderFlags; } |
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61 | void setRenderFlags(qpdfview::RenderFlags renderFlags); |
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62 | |
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63 | signals: |
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64 | void currentPageChanged(int currentPage, bool trackChange = false); |
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65 | |
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66 | void scaleModeChanged(ScaleMode scaleMode); |
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67 | void scaleFactorChanged(qreal scaleFactor); |
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68 | void rotationChanged(Rotation rotation); |
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69 | |
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70 | void renderFlagsChanged(qpdfview::RenderFlags renderFlags); |
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71 | |
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72 | public slots: |
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73 | void show(); |
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74 | |
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75 | void previousPage(); |
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76 | void nextPage(); |
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77 | void firstPage(); |
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78 | void lastPage(); |
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79 | |
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80 | void jumpToPage(int page, bool trackChange = true); |
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81 | |
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82 | void jumpBackward(); |
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83 | void jumpForward(); |
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84 | |
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85 | void zoomIn(); |
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86 | void zoomOut(); |
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87 | void originalSize(); |
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88 | |
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89 | void rotateLeft(); |
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90 | void rotateRight(); |
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91 | |
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92 | protected slots: |
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93 | void on_prefetch_timeout(); |
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94 | |
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95 | void on_pages_cropRectChanged(); |
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96 | |
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97 | void on_pages_linkClicked(bool newTab, int page, qreal left, qreal top); |
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98 | |
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99 | protected: |
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100 | void resizeEvent(QResizeEvent* event); |
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101 | |
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102 | void keyPressEvent(QKeyEvent* event); |
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103 | void wheelEvent(QWheelEvent* event); |
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104 | |
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105 | private: |
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106 | Q_DISABLE_COPY(PresentationView) |
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107 | |
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108 | static Settings* s_settings; |
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109 | |
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110 | QTimer* m_prefetchTimer; |
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111 | |
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112 | QVector< Model::Page* > m_pages; |
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113 | |
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114 | int m_currentPage; |
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115 | |
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116 | QList< int > m_past; |
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117 | QList< int > m_future; |
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118 | |
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119 | ScaleMode m_scaleMode; |
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120 | qreal m_scaleFactor; |
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121 | Rotation m_rotation; |
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122 | |
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123 | qpdfview::RenderFlags m_renderFlags; |
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124 | |
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125 | QVector< PageItem* > m_pageItems; |
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126 | |
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127 | void preparePages(); |
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128 | void prepareBackground(); |
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129 | |
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130 | void prepareScene(); |
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131 | void prepareView(); |
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132 | |
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133 | }; |
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134 | |
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135 | } // qpdfview |
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136 | |
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137 | #endif // PRESENTATIONVIEW_H |
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