1 | #include "cardeditor.h" |
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2 | |
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3 | #include <QFileDialog> |
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4 | #include <QMessageBox> |
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5 | #include <QImageWriter> |
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6 | |
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7 | using namespace QPunchCard; |
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8 | |
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9 | CardEditor::CardEditor(App::MainWindow* win) : /*QGraphicsView(win)*/ QScrollArea(win), main(win) { |
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10 | view = new CardWidget(this); |
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11 | setWidget(view); |
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12 | view->unsetCard(); |
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13 | |
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14 | // neuer, cooler testcode: |
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15 | /* |
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16 | view = new CardWidget(this); |
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17 | view->unsetCard(); |
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18 | |
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19 | QGraphicsScene* scene = new QGraphicsScene(); |
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20 | QGraphicsProxyWidget* card_item = scene->addWidget(view); |
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21 | scene->setBackgroundBrush(Qt::red); |
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22 | scene->setSceneRect(0, 0, 3000, 3000); |
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23 | |
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24 | |
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25 | //setMinimumSize(800, 400); |
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26 | |
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27 | setCacheMode(CacheBackground); |
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28 | setViewportUpdateMode(FullViewportUpdate); |
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29 | setRenderHint(QPainter::Antialiasing); |
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30 | setTransformationAnchor(AnchorUnderMouse); |
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31 | setResizeAnchor(AnchorUnderMouse); //ViewCenter); |
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32 | |
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33 | |
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34 | this->setScene(scene); |
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35 | |
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36 | card_item->setPos(QPointF(1000, 1000)); |
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37 | fitInView(card_item, Qt::KeepAspectRatio); |
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38 | */ |
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39 | } |
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40 | |
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41 | void CardEditor::keyPressEvent(QKeyEvent *event) |
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42 | { |
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43 | switch (event->key()) { |
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44 | case Qt::Key_Plus: |
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45 | //scene()->setSceneRect(0, 0, scene()->width()*1.2, scene()->height()*1.2); |
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46 | //scale(1.2, 1.2); |
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47 | break; |
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48 | case Qt::Key_Minus: |
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49 | //scene()->setSceneRect(0, 0, scene()->width()*1./1.2, scene()->height()*1./1.2); |
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50 | //scale(1./1.2, 1./1.2); |
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51 | break; |
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52 | default: |
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53 | QScrollArea::keyPressEvent(event); |
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54 | //QGraphicsView::keyPressEvent(event); |
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55 | } |
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56 | } |
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57 | |
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58 | |
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59 | |
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60 | void CardEditor::setCard(DeckIndex i) { |
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61 | if(i.assertDeck(main->deck) && i.isValid()) { |
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62 | view->setCard( i.getCard() ); |
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63 | } else { |
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64 | qDebug("DeckIndex has not the same deck as we use or is not valid."); |
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65 | qDebug() << i; |
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66 | } |
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67 | this->current_index = i; |
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68 | view->update(); |
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69 | setStatusTip( QString("Click to Edit card %1").arg(current_index)); |
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70 | } |
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71 | |
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72 | void CardEditor::contentsChanged(DeckIndex lowerCard, DeckIndex upperCard) { |
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73 | if(current_index >= lowerCard && current_index <= upperCard) { |
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74 | view->update(); |
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75 | } else { |
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76 | qDebug("contentsChanged: Index was out of bound:"); |
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77 | qDebug() << "lower: " << lowerCard << "upper: " << upperCard; |
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78 | } |
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79 | } |
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80 | |
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81 | void CardEditor::fileOpened(bool /*opened*/) { |
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82 | // in jedem Fall: Karte entfernen und neuzeichnen |
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83 | view->unsetCard(); |
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84 | view->update(); |
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85 | // wenn opened == true => setCard(0) wird schon kommen |
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86 | // ansonsten ist CardWidget schlau genug, nicht den Nullpointer |
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87 | // anzusprechen. |
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88 | } |
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89 | |
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90 | void CardEditor::enterEvent(QEvent* e) { |
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91 | // aeh... wird vielleicht spaeter gebraucht :) |
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92 | QScrollArea::enterEvent(e); |
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93 | } |
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94 | |
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95 | void CardEditor::exportPictureDialog() { |
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96 | // show dialog to export current view to PNG, SVG, etc. |
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97 | /* |
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98 | * TODO: * export all cards at once? (in directory?...) |
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99 | * |
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100 | */ |
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101 | Q_ASSERT(this->main); |
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102 | Q_ASSERT(this->view); |
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103 | QString filename = QFileDialog::getSaveFileName(this->main, tr("Choose output file and format by extension"), QString(), |
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104 | tr("Image Files (*.bmp *.jpg *.jpeg *.png *.ppm *.tiff *.xbm *.xpm);;")); |
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105 | |
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106 | if(filename.isNull()) { |
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107 | // canceled |
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108 | return; |
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109 | } |
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110 | |
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111 | //QFile file(filename); |
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112 | //if(!file.open(QIODevice::WriteOnly)) { |
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113 | /*if(! QFileInfo(filename).isWritable()) { |
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114 | QMessageBox::critical(main, tr("Could not export picture"), |
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115 | tr("Could not open file <i>%1</i> for writing. Please select a valid filename").arg(filename)); |
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116 | // open file dialog another time: |
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117 | exportPictureDialog(); |
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118 | }*/ |
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119 | |
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120 | // get pixmap of actual widget |
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121 | QPixmap pixmap = QPixmap::grabWidget(view); |
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122 | if(!pixmap.save(filename)) { |
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123 | // get list of supported file formats by string |
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124 | QStringList formats; |
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125 | for(int i = 0; i < QImageWriter::supportedImageFormats().count(); i++) { |
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126 | formats << QString(QImageWriter::supportedImageFormats().at(i)); |
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127 | } |
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128 | |
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129 | QMessageBox::critical(main, tr("Could not export picture"), |
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130 | tr("Exporting picture failed. Valid file formats (filename extensions) are %1"). |
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131 | arg( formats.join(", ") )); |
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132 | // open file dialog for another time |
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133 | exportPictureDialog(); |
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134 | } else { |
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135 | // finished successfully, tell in status bar |
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136 | main->statusBar()->showMessage(tr("Successfully exported file %1").arg(filename), 4000); |
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137 | } |
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138 | } |
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