Implement zooming to cursor

Zooming to cursor is now default operating mode of
the default input handler.

Task-number: QTRD-3263
Change-Id: I5699fc0ce7393059538972cd52f31f06d87e3d8d
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

3 files changed, 14 insertions, 0 deletions

diff --git a/tests/barstest/chart.cpp b/tests/barstest/chart.cpp
index 9a81fc86..d7b23719 100644
--- a/tests/barstest/chart.cpp
+++ b/tests/barstest/chart.cpp
@@ -203,6 +203,7 @@ GraphModifier::GraphModifier(Q3DBars *barchart, QColorDialog *colorDialog)
 
     m_graph->activeTheme()->setFont(QFont("Times Roman", 20));
 
+
     // Release and store the default input handler.
     m_defaultInputHandler = static_cast<Q3DInputHandler *>(m_graph->activeInputHandler());
     m_graph->releaseInputHandler(m_defaultInputHandler);
@@ -1421,6 +1422,11 @@ void GraphModifier::setInputHandlerSelectionEnabled(int enabled)
     m_defaultInputHandler->setSelectionEnabled(enabled);
 }
 
+void GraphModifier::setInputHandlerZoomAtTargetEnabled(int enabled)
+{
+    m_defaultInputHandler->setZoomAtTargetEnabled(enabled);
+}
+
 void GraphModifier::changeValueAxisSegments(int value)
 {
     qDebug() << __FUNCTION__ << value;
diff --git a/tests/barstest/chart.h b/tests/barstest/chart.h
index eac6d3f1..93abbfa4 100644
--- a/tests/barstest/chart.h
+++ b/tests/barstest/chart.h
@@ -97,6 +97,7 @@ public:
     void setInputHandlerRotationEnabled(int enabled);
     void setInputHandlerZoomEnabled(int enabled);
     void setInputHandlerSelectionEnabled(int enabled);
+    void setInputHandlerZoomAtTargetEnabled(int enabled);
     void setReflection(bool enabled);
     void setReflectivity(int value);
     void toggleCustomItem();
diff --git a/tests/barstest/main.cpp b/tests/barstest/main.cpp
index 1cc47859..cffbf4b4 100644
--- a/tests/barstest/main.cpp
+++ b/tests/barstest/main.cpp
@@ -234,6 +234,10 @@ int main(int argc, char **argv)
     inputHandlerSelectionCheckBox->setText("IH: Allow selection");
     inputHandlerSelectionCheckBox->setChecked(true);
 
+    QCheckBox *inputHandlerZoomAtTargetCheckBox = new QCheckBox(widget);
+    inputHandlerZoomAtTargetCheckBox->setText("IH: setZoomAtTarget");
+    inputHandlerZoomAtTargetCheckBox->setChecked(false);
+
     QSlider *rotationSliderX = new QSlider(Qt::Horizontal, widget);
     rotationSliderX->setTickInterval(1);
     rotationSliderX->setMinimum(-180);
@@ -422,6 +426,7 @@ int main(int argc, char **argv)
     vLayout3->addWidget(inputHandlerRotationCheckBox, 0, Qt::AlignTop);
     vLayout3->addWidget(inputHandlerZoomCheckBox, 0, Qt::AlignTop);
     vLayout3->addWidget(inputHandlerSelectionCheckBox, 0, Qt::AlignTop);
+    vLayout3->addWidget(inputHandlerZoomAtTargetCheckBox, 0, Qt::AlignTop);
     vLayout3->addWidget(new QLabel(QStringLiteral("Adjust shadow quality")), 0, Qt::AlignTop);
     vLayout3->addWidget(shadowQuality, 0, Qt::AlignTop);
     vLayout3->addWidget(new QLabel(QStringLiteral("Change font")), 0, Qt::AlignTop);
@@ -559,6 +564,8 @@ int main(int argc, char **argv)
                      &GraphModifier::setInputHandlerZoomEnabled);
     QObject::connect(inputHandlerSelectionCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setInputHandlerSelectionEnabled);
+    QObject::connect(inputHandlerZoomAtTargetCheckBox, &QCheckBox::stateChanged, modifier,
+                     &GraphModifier::setInputHandlerZoomAtTargetEnabled);
     QObject::connect(rotationCheckBox, &QCheckBox::stateChanged, modifier,
                      &GraphModifier::setUseNullInputHandler);