sc lok: Cell Cursor callback

This only works correctly for the default zoom level - since
the updateLibreOfficeKitCellCursor call happens during the
internal / hidden rendering, it uses the internal zoom values,
which can differ from the tiled-rendering zoom values.

Conflicts:
include/LibreOfficeKit/LibreOfficeKitEnums.h

Change-Id: Ie4f344fe771078fca10ad9d6f7a93e88fb93880a

1 files changed, 28 insertions, 3 deletions

diff --git a/sc/source/ui/view/gridwin.cxx b/sc/source/ui/view/gridwin.cxx
index 0c37ab92fe60..59bf9e00b09c 100644
--- a/sc/source/ui/view/gridwin.cxx
+++ b/sc/source/ui/view/gridwin.cxx
@@ -5775,12 +5775,38 @@ bool ScGridWindow::InsideVisibleRange( SCCOL nPosX, SCROW nPosY )
     return maVisibleRange.isInside(nPosX, nPosY);
 }
 
+static void updateLibreOfficeKitCellCursor(ScViewData* pViewData, ScSplitPos eWhich) {
+    ScDocument* pDoc = pViewData->GetDocument();
+    ScDrawLayer* pDrawLayer = pDoc->GetDrawLayer();
+
+    if (!pDrawLayer->isTiledRendering())
+        return;
+
+    SCCOL nX = pViewData->GetCurX();
+    SCROW nY = pViewData->GetCurY();
+    Point aScrPos = pViewData->GetScrPos( nX, nY, eWhich, true );
+
+    long nSizeXPix;
+    long nSizeYPix;
+    pViewData->GetMergeSizePixel( nX, nY, nSizeXPix, nSizeYPix );
+
+    double fPPTX = pViewData->GetPPTX();
+    double fPPTY = pViewData->GetPPTY();
+    Rectangle aRect(Point(aScrPos.getX() / fPPTX, aScrPos.getY() / fPPTY),
+                    Size(nSizeXPix / fPPTX, nSizeYPix / fPPTY));
+
+    pDrawLayer->libreOfficeKitCallback(LOK_CALLBACK_CELL_CURSOR, aRect.toString().getStr());
+
+}
+
 void ScGridWindow::CursorChanged()
 {
     // here the created OverlayObjects may be transformed in later versions. For
     // now, just re-create them
 
     UpdateCursorOverlay();
+
+    updateLibreOfficeKitCellCursor(pViewData, eWhich);
 }
 
 void ScGridWindow::ImpCreateOverlayObjects()
@@ -5932,9 +5958,8 @@ void ScGridWindow::UpdateCursorOverlay()
 {
     ScDocument* pDoc = pViewData->GetDocument();
 
-    // never show the cell cursor when the tiled rendering is going on; either
-    // we want to show the editeng selection, or the cell selection, but not
-    // the cell cursor by itself
+    // The cursor is rendered client-side in tiled rendering -
+    // see updateLibreOfficeKitCellCursor.
     if (pDoc->GetDrawLayer()->isTiledRendering())
         return;