From c84fc5fb7b13aa8d7d5ef1958c8c1d61696f560e 2012-02-23 13:47:01
From: Jani Honkonen <jani.honkonen@digia.com>
Date: 2012-02-23 13:47:01
Subject: [PATCH] Clear background when there is only pie chart.

---

diff --git a/example/piechart/main.cpp b/example/piechart/main.cpp
index 74d2315..ebb9058 100644
--- a/example/piechart/main.cpp
+++ b/example/piechart/main.cpp
@@ -28,9 +28,9 @@ int main(int argc, char *argv[])
 
     QChartView* chartView =  new QChartView(&window);
     chartView->setRenderHint(QPainter::Antialiasing);
-    chartView->addSeries(series);
-    chartView->setChartTitle("simple piechart");
     chartView->setChartTheme(QChart::ChartThemeIcy);
+    chartView->setChartTitle("Simple piechart");
+    chartView->addSeries(series);
 
     window.setCentralWidget(chartView);
     window.resize(600, 600);
diff --git a/src/chartpresenter.cpp b/src/chartpresenter.cpp
index 06ea2a1..4d14bce 100644
--- a/src/chartpresenter.cpp
+++ b/src/chartpresenter.cpp
@@ -159,6 +159,21 @@ void ChartPresenter::handleSeriesAdded(QChartSeries* series)
             PiePresenter* pie = new PiePresenter(m_chart, s);
             m_chartTheme->decorate(pie, s, m_chartItems.count());
             QObject::connect(this, SIGNAL(geometryChanged(const QRectF&)), pie, SLOT(handleGeometryChanged(const QRectF&)));
+
+            // Hide all from background when there is only piechart
+            // TODO: refactor this ugly code... should be one setting for this
+            if (m_chartItems.count() == 0) {
+                m_chart->axisX()->setAxisVisible(false);
+                m_chart->axisY()->setAxisVisible(false);
+                m_chart->axisX()->setGridVisible(false);
+                m_chart->axisY()->setGridVisible(false);
+                m_chart->axisX()->setLabelsVisible(false);
+                m_chart->axisY()->setLabelsVisible(false);
+                m_chart->axisX()->setShadesVisible(false);
+                m_chart->axisY()->setShadesVisible(false);
+                m_chart->setChartBackgroundBrush(Qt::transparent);
+            }
+
             m_chartItems.insert(series, pie);
             break;
         }