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>

1 files changed, 12 insertions, 5 deletions

diff --git a/src/datavisualization/engine/surface3drenderer.cpp b/src/datavisualization/engine/surface3drenderer.cpp
index 9121e37c..3d39a71d 100644
--- a/src/datavisualization/engine/surface3drenderer.cpp
+++ b/src/datavisualization/engine/surface3drenderer.cpp
@@ -131,9 +131,6 @@ void Surface3DRenderer::initializeOpenGL()
     loadGridLineMesh();
 #endif
 
-    // Load label mesh
-    loadLabelMesh();
-
     // Resize in case we've missed resize events
     // Resize calls initSelectionBuffer and initDepthBuffer, so they don't need to be called here
     handleResize();
@@ -1297,6 +1294,13 @@ void Surface3DRenderer::drawScene(GLuint defaultFboHandle)
     }
 #endif
 
+    // Do position mapping when necessary
+    if (m_graphPositionQueryPending) {
+        QVector3D graphDimensions(m_scaleX, m_scaleY, m_scaleZ);
+        queriedGraphPosition(projectionViewMatrix, graphDimensions, defaultFboHandle);
+        emit needRender();
+    }
+
     // Draw selection buffer
     if (!m_cachedIsSlicingActivated && (!m_renderCacheList.isEmpty()
                                         || !m_customRenderCache.isEmpty())
@@ -2830,8 +2834,11 @@ void Surface3DRenderer::updateSlicingActive(bool isSlicing)
 
     m_cachedIsSlicingActivated = isSlicing;
 
-    if (!m_cachedIsSlicingActivated)
-        initSelectionBuffer(); // We need to re-init selection buffer in case there has been a resize
+    if (!m_cachedIsSlicingActivated) {
+        // We need to re-init selection buffer in case there has been a resize
+        initSelectionBuffer();
+        initCursorPositionBuffer();
+    }
 
 #if !defined(QT_OPENGL_ES_2)
     updateDepthBuffer(); // Re-init depth buffer as well