Enable querying selection label via API

Also enable suppressing drawing the label on graph.

Selection label formatting was consequently moved from renderers
to series.

Task-number: QTRD-2896

Change-Id: Ia6a1a40298d8db0f54349de3eb27fb0b683dd302
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/datavisualization/engine/surface3dcontroller.cpp b/src/datavisualization/engine/surface3dcontroller.cpp
index 42e408dd..2d64e87d 100644
--- a/src/datavisualization/engine/surface3dcontroller.cpp
+++ b/src/datavisualization/engine/surface3dcontroller.cpp
@@ -297,6 +297,7 @@ void Surface3DController::handleArrayReset()
     }
     // Clear selection unless still valid
     setSelectedPoint(m_selectedPoint, m_selectedSeries, false);
+    series->d_ptr->markItemLabelDirty();
     emitNeedRender();
 }
 
@@ -321,6 +322,7 @@ void Surface3DController::handleRowsChanged(int startIndex, int count)
 
     QSurface3DSeries *series = sender->series();
     int oldChangeCount = m_changedRows.size();
+    int selectedRow = m_selectedPoint.x();
     for (int i = 0; i < count; i++) {
         bool newItem = true;
         int candidate = startIndex + i;
@@ -334,6 +336,8 @@ void Surface3DController::handleRowsChanged(int startIndex, int count)
         if (newItem) {
             ChangeRow newItem = {series, candidate};
             m_changedRows.append(newItem);
+            if (series == m_selectedSeries && selectedRow == candidate)
+                series->d_ptr->markItemLabelDirty();
         }
     }
     if (m_changedRows.size()) {
@@ -364,6 +368,9 @@ void Surface3DController::handleItemChanged(int rowIndex, int columnIndex)
         m_changedItems.append(newItem);
         m_changeTracker.itemChanged = true;
 
+        if (series == m_selectedSeries && m_selectedPoint == candidate)
+            series->d_ptr->markItemLabelDirty();
+
         adjustValueAxisRange();
         // Clear selection unless still valid
         setSelectedPoint(m_selectedPoint, m_selectedSeries, false);