##// END OF EJS Templates
GIT_REPOSITORIES » LPP » Users » mperrinel » SCIQLOP-Initialisation
RSS

Fork of HG_REPOSITORIES/LPP/SciQLOP_Repos/SciQLop

Handles key modifiers for zoom...
Alexandre Leroux -
r166:765885a6f6ff
parent child
Show More
Show file before | Show file after | Hide comments
@@ -1,39 +1,43
1 1 #ifndef SCIQLOP_VISUALIZATIONGRAPHWIDGET_H
2 2 #define SCIQLOP_VISUALIZATIONGRAPHWIDGET_H
3 3
4 4 #include "Visualization/IVisualizationWidget.h"
5 5
6 6 #include <QWidget>
7 7
8 8 #include <memory>
9 9
10 10 #include <Common/spimpl.h>
11 11
12 12 class Variable;
13 13
14 14 namespace Ui {
15 15 class VisualizationGraphWidget;
16 16 } // namespace Ui
17 17
18 18 class VisualizationGraphWidget : public QWidget, public IVisualizationWidget {
19 19 Q_OBJECT
20 20
21 21 public:
22 22 explicit VisualizationGraphWidget(QWidget *parent = 0);
23 23 virtual ~VisualizationGraphWidget();
24 24
25 25 void addVariable(std::shared_ptr<Variable> variable);
26 26
27 27 // IVisualizationWidget interface
28 28 void accept(IVisualizationWidget *visitor) override;
29 29 void close() override;
30 30 QString name() const;
31 31
32 32 private:
33 33 Ui::VisualizationGraphWidget *ui;
34 34
35 35 class VisualizationGraphWidgetPrivate;
36 36 spimpl::unique_impl_ptr<VisualizationGraphWidgetPrivate> impl;
37
38 private slots:
39 /// Slot called when a mouse wheel was made, to perform some processing before the zoom is done
40 void onMouseWheel(QWheelEvent *event) noexcept;
37 41 };
38 42
39 43 #endif // SCIQLOP_VISUALIZATIONGRAPHWIDGET_H
Show file before | Show file after | Hide comments
@@ -1,51 +1,80
1 1 #include "Visualization/VisualizationGraphWidget.h"
2 2 #include "ui_VisualizationGraphWidget.h"
3 3
4 4 #include <Variable/Variable.h>
5 5
6 6 #include <unordered_map>
7 7
8 namespace {
9
10 /// Key pressed to enable zoom on horizontal axis
11 const auto HORIZONTAL_ZOOM_MODIFIER = Qt::NoModifier;
12
13 /// Key pressed to enable zoom on vertical axis
14 const auto VERTICAL_ZOOM_MODIFIER = Qt::ControlModifier;
15
16 } // namespace
17
8 18 struct VisualizationGraphWidget::VisualizationGraphWidgetPrivate {
9 19
10 20 // 1 variable -> n qcpplot
11 21 std::unordered_map<std::shared_ptr<Variable>, std::unique_ptr<QCPAbstractPlottable> >
12 22 m_VariableToPlotMap;
13 23 };
14 24
15 25 VisualizationGraphWidget::VisualizationGraphWidget(QWidget *parent)
16 26 : QWidget{parent},
17 27 ui{new Ui::VisualizationGraphWidget},
18 28 impl{spimpl::make_unique_impl<VisualizationGraphWidgetPrivate>()}
19 29 {
20 30 ui->setupUi(this);
21 31
22 32 // Set qcpplot properties :
23 33 // - Drag and zoom are enabled
34 // - Mouse wheel on qcpplot is intercepted to determine the zoom orientation
24 35 ui->widget->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
36 connect(ui->widget, &QCustomPlot::mouseWheel, this, &VisualizationGraphWidget::onMouseWheel);
25 37 }
26 38
27 39 VisualizationGraphWidget::~VisualizationGraphWidget()
28 40 {
29 41 delete ui;
30 42 }
31 43
32 44 void VisualizationGraphWidget::addVariable(std::shared_ptr<Variable> variable)
33 45 {
34 46 // todo: first check is variable contains data then check how many plot have to be created
35 47 }
36 48
37 49 void VisualizationGraphWidget::accept(IVisualizationWidget *visitor)
38 50 {
39 51 // TODO: manage the visitor
40 52 }
41 53
42 54 void VisualizationGraphWidget::close()
43 55 {
44 56 // The main view cannot be directly closed.
45 57 return;
46 58 }
47 59
48 60 QString VisualizationGraphWidget::name() const
49 61 {
50 62 return QStringLiteral("MainView");
51 63 }
64
65 void VisualizationGraphWidget::onMouseWheel(QWheelEvent *event) noexcept
66 {
67 auto zoomOrientations = QFlags<Qt::Orientation>{};
68
69 // Lambda that enables a zoom orientation if the key modifier related to this orientation has
70 // been pressed
71 auto enableOrientation
72 = [&zoomOrientations, event](const auto &orientation, const auto &modifier) {
73 auto orientationEnabled = event->modifiers().testFlag(modifier);
74 zoomOrientations.setFlag(orientation, orientationEnabled);
75 };
76 enableOrientation(Qt::Vertical, VERTICAL_ZOOM_MODIFIER);
77 enableOrientation(Qt::Horizontal, HORIZONTAL_ZOOM_MODIFIER);
78
79 ui->widget->axisRect()->setRangeZoom(zoomOrientations);
80 }
General Comments 0
You need to be logged in to leave comments. Login now