sc tiled editing: Allow resizing the cell selection using the handles.

Change-Id: I53e5a43ba4f0ba4783a524751985adb3f4610d84

3 files changed, 73 insertions, 1 deletions

diff --git a/sc/source/ui/inc/gridwin.hxx b/sc/source/ui/inc/gridwin.hxx
index 36a7e5c2ef87..3cf3e360b7b4 100644
--- a/sc/source/ui/inc/gridwin.hxx
+++ b/sc/source/ui/inc/gridwin.hxx
@@ -330,6 +330,11 @@ public:
     /// Same as MouseButtonUp(), but coordinates are in logic unit.
     void LogicMouseButtonUp(const MouseEvent& rMouseEvent);
 
+    /// Update the cell selection according to what handles have been dragged.
+    /// Uses the same parameteres as vcl::ITiledRenderable::setTextSelection()
+    /// (ie. they are in twips here).
+    void SetCellSelection(int nType, int nX, int nY);
+
     virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > CreateAccessible() SAL_OVERRIDE;
 
     void            FakeButtonUp();
diff --git a/sc/source/ui/unoobj/docuno.cxx b/sc/source/ui/unoobj/docuno.cxx
index fa133f35dd21..b7743ae7b34e 100644
--- a/sc/source/ui/unoobj/docuno.cxx
+++ b/sc/source/ui/unoobj/docuno.cxx
@@ -589,7 +589,16 @@ void ScModelObj::setTextSelection(int nType, int nX, int nY)
     else
     {
         // moving the cell selection handles
-        // TODO
+
+        // There seems to be no clear way of getting the grid window for this
+        // particular document, hence we need to hope we get the right window.
+        ScViewData* pViewData = ScDocShell::GetViewData();
+        ScGridWindow* pGridWindow = pViewData->GetActiveWin();
+
+        if (!pGridWindow)
+            return;
+
+        pGridWindow->SetCellSelection(nType, nX, nY);
     }
 }
 
diff --git a/sc/source/ui/view/gridwin4.cxx b/sc/source/ui/view/gridwin4.cxx
index ac2cd8574817..e204b9728285 100644
--- a/sc/source/ui/view/gridwin4.cxx
+++ b/sc/source/ui/view/gridwin4.cxx
@@ -991,6 +991,64 @@ void ScGridWindow::LogicInvalidate(const Rectangle* pRectangle)
     pViewData->GetDocument()->GetDrawLayer()->libreOfficeKitCallback(LOK_CALLBACK_INVALIDATE_TILES, sRectangle.getStr());
 }
 
+void ScGridWindow::SetCellSelection(int nType, int nX, int nY)
+{
+    ScTabView* pTabView = pViewData->GetView();
+
+    if (nType == LOK_SETTEXTSELECTION_RESET)
+    {
+        pTabView->DoneBlockMode();
+        return;
+    }
+
+    // obtain the current selection
+    ScRangeList aRangeList = pViewData->GetMarkData().GetMarkedRanges();
+
+    SCCOL nCol1, nCol2;
+    SCROW nRow1, nRow2;
+    SCTAB nTab1, nTab2;
+
+    if (aRangeList.empty())
+    {
+        nCol1 = nCol2 = pViewData->GetCurX();
+        nRow1 = nRow2 = pViewData->GetCurY();
+    }
+    else
+        aRangeList.Combine().GetVars(nCol1, nRow1, nTab1, nCol2, nRow2, nTab2);
+
+    // convert the coordinates to column/row
+    SCsCOL nNewPosX;
+    SCsROW nNewPosY;
+    SCTAB nTab = pViewData->GetTabNo();
+    pViewData->GetPosFromPixel(nX * pViewData->GetPPTX(), nY * pViewData->GetPPTY(), eWhich, nNewPosX, nNewPosY);
+
+    // change the selection
+    switch (nType)
+    {
+        case LOK_SETTEXTSELECTION_START:
+            if (nNewPosX != nCol1 || nNewPosY != nRow1)
+            {
+                pTabView->SetCursor(nNewPosX, nNewPosY);
+                pTabView->DoneBlockMode();
+                pTabView->InitBlockMode(nNewPosX, nNewPosY, nTab, true);
+                pTabView->MarkCursor(nCol2, nRow2, nTab);
+            }
+            break;
+        case LOK_SETTEXTSELECTION_END:
+            if (nNewPosX != nCol2 || nNewPosY != nRow2)
+            {
+                pTabView->SetCursor(nCol1, nRow1);
+                pTabView->DoneBlockMode();
+                pTabView->InitBlockMode(nCol1, nRow1, nTab, true);
+                pTabView->MarkCursor(nNewPosX, nNewPosY, nTab);
+            }
+            break;
+        default:
+            assert(false);
+            break;
+    }
+}
+
 void ScGridWindow::CheckNeedsRepaint()
 {
     //  called at the end of painting, and from timer after background text width calculation