LOK: add LOK_CALLBACK_TEXT_SELECTION and implement it in sw

Change-Id: I31662cb06add0d1a1c517b5f5416703aeaae1e77

include/LibreOfficeKit/LibreOfficeKit.h

@@ -57,7 +57,7 @@ typedef enum
      * Any tiles which are over the rectangle described in the payload are no
      * longer valid.
      *
-     * Rectangle format: "width,height,x,y", where all numbers are document
+     * Rectangle format: "width, height, x, y", where all numbers are document
      * coordinates, in twips.
      */
     LOK_CALLBACK_INVALIDATE_TILES,
@@ -66,7 +66,16 @@ typedef enum
      *
      * Rectangle format is the same as LOK_CALLBACK_INVALIDATE_TILES.
      */
-    LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR
+    LOK_CALLBACK_INVALIDATE_VISIBLE_CURSOR,
+    /**
+     * The list of rectangles representing the current text selection changed.
+     *
+     * List format is "rectangle1[; rectangle2[; ...]]" (without quotes and
+     * brackets), where rectangleN has the same format as
+     * LOK_CALLBACK_INVALIDATE_TILES. When there is no selection, an empty
+     * string is provided.
+     */
+    LOK_CALLBACK_TEXT_SELECTION
 }
 LibreOfficeKitCallbackType;
 

sw/source/core/crsr/viscrs.cxx

@@ -314,6 +314,20 @@ void SwSelPaintRects::Show()
             }
         }
 
+        if (GetShell()->isTiledRendering())
+        {
+            std::stringstream ss;
+            for (size_type i = 0; i < size(); ++i)
+            {
+                const SwRect& rRect = (*this)[i];
+                if (i)
+                    ss << "; ";
+                ss << rRect.Width() << ", " << rRect.Height() << ", " << rRect.Left() << ", " << rRect.Top();
+            }
+            OString sRect = ss.str().c_str();
+            GetShell()->libreOfficeKitCallback(LOK_CALLBACK_TEXT_SELECTION, sRect.getStr());
+        }
+
         HighlightInputFld();
 #else
 

sw/source/core/layout/trvlfrm.cxx

@@ -2007,8 +2007,12 @@ void SwRootFrm::CalcFrmRects(SwShellCrsr &rCrsr)
 
     SwViewShell *pSh = GetCurrShell();
 
+    bool bIgnoreVisArea = false;
+    if (pSh)
+        bIgnoreVisArea = pSh->GetViewOptions()->IsPDFExport() || pSh->isTiledRendering();
+
     // #i12836# enhanced pdf
-    SwRegionRects aRegion( pSh && !pSh->GetViewOptions()->IsPDFExport() ?
+    SwRegionRects aRegion( !bIgnoreVisArea ?
                            pSh->VisArea() :
                            Frm() );
     if( !pStartPos->nNode.GetNode().IsCntntNode() ||