| @@ -16,6 +16,7 MainWidget::MainWidget(QWidget *parent) : | |||
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16 | 16 | m_setCount = 0; |
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17 | 17 | m_chart = new QChart(); |
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18 | 18 | |
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19 | //![1] | |
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19 | 20 | m_buttonLayout = new QGridLayout(); |
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20 | 21 | QPushButton *detachLegendButton = new QPushButton("detach legend"); |
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21 | 22 | connect(detachLegendButton, SIGNAL(clicked()), this, SLOT(detachLegend())); |
| @@ -30,18 +31,17 MainWidget::MainWidget(QWidget *parent) : | |||
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30 | 31 | QPushButton *removeBarsetButton = new QPushButton("remove barset"); |
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31 | 32 | connect(removeBarsetButton, SIGNAL(clicked()), this, SLOT(removeBarset())); |
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32 | 33 | m_buttonLayout->addWidget(removeBarsetButton, 3, 0); |
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33 | ||
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34 | // add row with empty label to make all the other rows static | |
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35 | m_buttonLayout->addWidget(new QLabel(""), m_buttonLayout->rowCount(), 0); | |
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36 | m_buttonLayout->setRowStretch(m_buttonLayout->rowCount() - 1, 1); | |
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34 | //![1] | |
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37 | 35 | |
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38 | 36 | // Create chart view with the chart |
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39 | 37 | m_chartView = new QChartView(m_chart, this); |
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40 | 38 | m_chartView->setRubberBand(QChartView::HorizonalRubberBand); |
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41 | 39 | |
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40 | //![2] | |
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42 | 41 | m_customView = new QGraphicsView(this); |
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43 | 42 | m_customScene = new QGraphicsScene(this); |
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44 | 43 | m_customView->setScene(m_customScene); |
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44 | //![2] | |
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45 | 45 | |
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46 | 46 | // Create layout for grid and detached legend |
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47 | 47 | m_mainLayout = new QGridLayout(); |
| @@ -55,61 +55,55 MainWidget::MainWidget(QWidget *parent) : | |||
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55 | 55 | |
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56 | 56 | void MainWidget::createSeries() |
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57 | 57 | { |
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58 | //![1] | |
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59 | 58 | m_series = new QBarSeries(); |
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60 | ||
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61 | 59 | addBarset(); |
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62 | 60 | addBarset(); |
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63 | 61 | addBarset(); |
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64 | 62 | addBarset(); |
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65 | //![1] | |
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66 | 63 | |
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67 | //![2] | |
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68 | 64 | m_chart->addSeries(m_series); |
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69 | 65 | m_chart->setTitle("Legend detach example"); |
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70 | //![2] | |
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71 | 66 | |
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72 | //![3] | |
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73 | 67 | m_chart->legend()->setVisible(true); |
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74 | 68 | m_chart->legend()->setAlignment(QLegend::AlignmentBottom); |
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75 | 69 | m_chart->axisY()->setNiceNumbersEnabled(true); |
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76 | //![3] | |
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77 | 70 | |
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78 | //![4] | |
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79 | 71 | m_chartView->setRenderHint(QPainter::Antialiasing); |
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80 | //![4] | |
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81 | 72 | } |
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82 | 73 | |
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83 |
void MainWidget:: |
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74 | void MainWidget::detachLegend() | |
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84 | 75 | { |
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85 | qDebug() << "attach legend"; | |
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76 | //![3] | |
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77 | // Detach legend from chart | |
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86 | 78 | QLegend *legend = m_chart->legend(); |
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79 | legend->detachFromChart(); | |
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87 | 80 | |
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88 | if (m_customScene->items().contains(legend)) { | |
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89 | qDebug() << "legend removed from other scene"; | |
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90 | m_customScene->removeItem(legend); | |
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91 | legend->setParent(m_chart); | |
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92 | legend->attachToChart(); | |
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93 | } | |
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81 | // Put legend to our custom scene | |
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82 | m_customScene->addItem(legend); | |
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83 | //![3] | |
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94 | 84 | |
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95 | // legend->attachToChart(); | |
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96 | 85 | // This causes redraw |
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97 | 86 | QSize size(1,1); |
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98 | 87 | this->resize(this->size() + size); |
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99 | 88 | this->resize(this->size() - size); |
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100 | 89 | } |
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101 | 90 | |
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102 | void MainWidget::detachLegend() | |
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91 | ||
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92 | void MainWidget::attachLegend() | |
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103 | 93 | { |
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104 | qDebug() << "detach legend"; | |
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94 | //![4] | |
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105 | 95 | QLegend *legend = m_chart->legend(); |
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106 | legend->detachFromChart(); | |
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107 | 96 | |
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108 |
m_customScene-> |
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109 | // m_mainLayout->addWidget(legend,0,2,3,1); | |
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110 | // setLayout(m_layout); | |
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97 | if (m_customScene->items().contains(legend)) { | |
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98 | // Remove legend from custom scene and put it back to chartview scene. | |
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99 | // Attach legend back to chart, so that layout works. | |
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100 | m_customScene->removeItem(legend); | |
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101 | legend->setParent(m_chart); | |
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102 | m_chartView->scene()->addItem(legend); | |
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103 | legend->attachToChart(); | |
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104 | } | |
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105 | //![4] | |
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111 | 106 | |
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112 | // TODO: layout legend to somewhere else | |
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113 | 107 | // This causes redraw |
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114 | 108 | QSize size(1,1); |
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115 | 109 | this->resize(this->size() + size); |
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