Polar graph support, phase one

- Polar property for toggling the polar mode
- Example added. Example docs will be added in another patch once all
  of the functionality the example needs has been implemented.
- Only surface graph supports polar so far. Scatter to be added later.

Change-Id: I54d36f764ac1771ac88f73a5f3a2142f2309f6e8
Reviewed-by: Mika Salmela <mika.salmela@digia.com>

3 files changed, 13 insertions, 0 deletions

diff --git a/tests/surfacetest/graphmodifier.cpp b/tests/surfacetest/graphmodifier.cpp
index ed86f03c..56cd23cc 100644
--- a/tests/surfacetest/graphmodifier.cpp
+++ b/tests/surfacetest/graphmodifier.cpp
@@ -777,6 +777,11 @@ void GraphModifier::toggleZAscending(bool enabled)
     }
 }
 
+void GraphModifier::togglePolar(bool enabled)
+{
+    m_graph->setPolar(enabled);
+}
+
 void GraphModifier::resetArrayAndSliders(QSurfaceDataArray *array, float minZ, float maxZ, float minX, float maxX)
 {
     m_axisMinSliderX->setValue(minX);
diff --git a/tests/surfacetest/graphmodifier.h b/tests/surfacetest/graphmodifier.h
index 5f1a252a..e70d35f2 100644
--- a/tests/surfacetest/graphmodifier.h
+++ b/tests/surfacetest/graphmodifier.h
@@ -131,6 +131,7 @@ public slots:
     void toggleAxisTitleFixed(bool enabled);
     void toggleXAscending(bool enabled);
     void toggleZAscending(bool enabled);
+    void togglePolar(bool enabled);
 
 private:
     void fillSeries();
diff --git a/tests/surfacetest/main.cpp b/tests/surfacetest/main.cpp
index 5806d7b0..87f009cb 100644
--- a/tests/surfacetest/main.cpp
+++ b/tests/surfacetest/main.cpp
@@ -393,6 +393,10 @@ int main(int argc, char *argv[])
     zAscendingCB->setText(QStringLiteral("Z Ascending"));
     zAscendingCB->setChecked(true);
 
+    QCheckBox *polarCB = new QCheckBox(widget);
+    polarCB->setText(QStringLiteral("Polar"));
+    polarCB->setChecked(false);
+
     // Add controls to the layout
 #ifdef MULTI_SERIES
     vLayout->addWidget(series1CB);
@@ -443,6 +447,7 @@ int main(int argc, char *argv[])
     vLayout->addWidget(axisMinSliderZ);
     vLayout->addWidget(xAscendingCB);
     vLayout->addWidget(zAscendingCB);
+    vLayout->addWidget(polarCB);
     vLayout2->addWidget(new QLabel(QStringLiteral("Change font")));
     vLayout2->addWidget(fontList);
     vLayout2->addWidget(labelButton);
@@ -650,6 +655,8 @@ int main(int argc, char *argv[])
                      modifier, &GraphModifier::toggleXAscending);
     QObject::connect(zAscendingCB, &QCheckBox::stateChanged,
                      modifier, &GraphModifier::toggleZAscending);
+    QObject::connect(polarCB, &QCheckBox::stateChanged,
+                     modifier, &GraphModifier::togglePolar);
 
     QObject::connect(aspectRatioSlider, &QSlider::valueChanged,
                      modifier, &GraphModifier::setAspectRatio);