lokCalcRTL: fix editing of shape text

Inform editeng that negated document x coordinates are used in this case
and ensure that editeng generated invalidation rectangles always have
positive X coordinates.

Conflicts:
sc/source/ui/view/gridwin4.cxx

Change-Id: I2e450707ce02f7bcd8e4d299f857c37ebbd5e2c6
(cherry picked from commit 0fe02bb99e5dfa8379a49de75683fc350e4c4dbd)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/129360
Tested-by: Jenkins
Reviewed-by: Dennis Francis <dennis.francis@collabora.com>

3 files changed, 41 insertions, 6 deletions

diff --git a/editeng/source/editeng/editview.cxx b/editeng/source/editeng/editview.cxx
index 0c2f8f43b2a9..c8d12f0388d3 100644
--- a/editeng/source/editeng/editview.cxx
+++ b/editeng/source/editeng/editview.cxx
@@ -195,20 +195,30 @@ tools::Rectangle EditView::GetInvalidateRect() const
     }
 }
 
+namespace {
+
+tools::Rectangle lcl_negateRectX(const tools::Rectangle& rRect)
+{
+    return tools::Rectangle(-rRect.Right(), rRect.Top(), -rRect.Left(), rRect.Bottom());
+}
+
+}
+
 void EditView::InvalidateWindow(const tools::Rectangle& rClipRect)
 {
+    bool bNegativeX = IsNegativeX();
     if (EditViewCallbacks* pEditViewCallbacks = pImpEditView->getEditViewCallbacks())
     {
         // do not invalidate and trigger a global repaint, but forward
         // the need for change to the applied EditViewCallback, can e.g.
         // be used to visualize the active edit text in an OverlayObject
-        pEditViewCallbacks->EditViewInvalidate(rClipRect);
+        pEditViewCallbacks->EditViewInvalidate(bNegativeX ? lcl_negateRectX(rClipRect) : rClipRect);
     }
     else
     {
         // classic mode: invalidate and trigger full repaint
         // of the changed area
-        GetWindow()->Invalidate(rClipRect);
+        GetWindow()->Invalidate(bNegativeX ? lcl_negateRectX(rClipRect) : rClipRect);
     }
 }
 
@@ -216,10 +226,11 @@ void EditView::InvalidateOtherViewWindows( const tools::Rectangle& rInvRect )
 {
     if (comphelper::LibreOfficeKit::isActive())
     {
+        bool bNegativeX = IsNegativeX();
         for (auto& pWin : pImpEditView->aOutWindowSet)
         {
             if (pWin)
-                pWin->Invalidate( rInvRect );
+                pWin->Invalidate( bNegativeX ? lcl_negateRectX(rInvRect) : rInvRect );
         }
     }
 }
@@ -1678,4 +1689,14 @@ bool EditView::IsSuppressLOKMessages() const
     return pImpEditView->IsSuppressLOKMessages();
 }
 
+void EditView::SetNegativeX(bool bSet)
+{
+    pImpEditView->SetNegativeX(bSet);
+}
+
+bool EditView::IsNegativeX() const
+{
+    return pImpEditView->IsNegativeX();
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/editeng/source/editeng/impedit.cxx b/editeng/source/editeng/impedit.cxx
index 1175c28661cd..cfd6eb5758dc 100644
--- a/editeng/source/editeng/impedit.cxx
+++ b/editeng/source/editeng/impedit.cxx
@@ -198,7 +198,8 @@ ImpEditView::ImpEditView( EditView* pView, EditEngine* pEng, vcl::Window* pWindo
     eAnchorMode(EEAnchorMode::TopLeft),
     mpEditViewCallbacks(nullptr),
     mbBroadcastLOKViewCursor(comphelper::LibreOfficeKit::isActive()),
-    mbSuppressLOKMessages(false)
+    mbSuppressLOKMessages(false),
+    mbNegativeX(false)
 {
     aEditSelection.Min() = pEng->GetEditDoc().GetStartPaM();
     aEditSelection.Max() = pEng->GetEditDoc().GetEndPaM();
@@ -875,6 +876,15 @@ void ImpEditView::SetOutputArea( const tools::Rectangle& rRect )
     SetScrollDiffX( static_cast<sal_uInt16>(aOutArea.GetWidth()) * 2 / 10 );
 }
 
+namespace {
+
+tools::Rectangle lcl_negateRectX(const tools::Rectangle& rRect)
+{
+    return tools::Rectangle(-rRect.Right(), rRect.Top(), -rRect.Left(), rRect.Bottom());
+}
+
+}
+
 void ImpEditView::InvalidateAtWindow(const tools::Rectangle& rRect)
 {
     if (EditViewCallbacks* pCallbacks = getEditViewCallbacks())
@@ -882,13 +892,13 @@ void ImpEditView::InvalidateAtWindow(const tools::Rectangle& rRect)
         // do not invalidate and trigger a global repaint, but forward
         // the need for change to the applied EditViewCallback, can e.g.
         // be used to visualize the active edit text in an OverlayObject
-        pCallbacks->EditViewInvalidate(rRect);
+        pCallbacks->EditViewInvalidate(mbNegativeX ? lcl_negateRectX(rRect) : rRect);
     }
     else
     {
         // classic mode: invalidate and trigger full repaint
         // of the changed area
-        GetWindow()->Invalidate(rRect);
+        GetWindow()->Invalidate(mbNegativeX ? lcl_negateRectX(rRect) : rRect);
     }
 }
 
diff --git a/editeng/source/editeng/impedit.hxx b/editeng/source/editeng/impedit.hxx
index fd130ffaf768..eb8176561cb1 100644
--- a/editeng/source/editeng/impedit.hxx
+++ b/editeng/source/editeng/impedit.hxx
@@ -302,6 +302,7 @@ private:
     std::unique_ptr<LOKSpecialPositioning> mpLOKSpecialPositioning;
     bool mbBroadcastLOKViewCursor:1;
     bool mbSuppressLOKMessages:1;
+    bool mbNegativeX:1;
 
     EditViewCallbacks* getEditViewCallbacks() const
     {
@@ -468,6 +469,9 @@ public:
 
     void SuppressLOKMessages(bool bSet) { mbSuppressLOKMessages = bSet; }
     bool IsSuppressLOKMessages() const { return mbSuppressLOKMessages; }
+
+    void SetNegativeX(bool bSet) { mbNegativeX = bSet; }
+    bool IsNegativeX() const { return mbNegativeX; }
 };