tdf#103706: tdf#142857: sd: context aware paste for clone format

Introduces selection aware pasting for Impress/Draw's Clone
Format where paragraph properties are applied when the selection
contains a whole paragraph or there's no selection at all (i.e.
clone format applied with just a left click - without drag).

Change-Id: I37e7197580c2b8da333ada1a60408f40f85d7ef5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155108
Tested-by: Jenkins
Reviewed-by: Sarper Akdemir <sarper.akdemir.extern@allotropia.de>

5 files changed, 67 insertions, 6 deletions

diff --git a/editeng/source/editeng/editview.cxx b/editeng/source/editeng/editview.cxx
index 0e3985c49459..72bdd4d18f1c 100644
--- a/editeng/source/editeng/editview.cxx
+++ b/editeng/source/editeng/editview.cxx
@@ -316,6 +316,16 @@ bool EditView::HasSelection() const
     return pImpEditView->HasSelection();
 }
 
+bool EditView::IsSelectionFullPara() const
+{
+    return pImpEditView->IsSelectionFullPara();
+}
+
+bool EditView::IsSelectionWithinSinglePara() const
+{
+    return pImpEditView->IsSelectionInSinglePara();
+}
+
 bool EditView::IsSelectionAtPoint(const Point& rPointPixel)
 {
     return pImpEditView->IsSelectionAtPoint(rPointPixel);
diff --git a/editeng/source/editeng/impedit.cxx b/editeng/source/editeng/impedit.cxx
index 92af0e24b848..d03a2185a929 100644
--- a/editeng/source/editeng/impedit.cxx
+++ b/editeng/source/editeng/impedit.cxx
@@ -2047,6 +2047,29 @@ bool ImpEditView::IsInSelection( const EditPaM& rPaM )
     return false;
 }
 
+bool ImpEditView::IsSelectionFullPara() const
+{
+    if (!IsSelectionInSinglePara())
+        return false;
+
+    sal_Int32 nSelectionStartPos = GetEditSelection().Min().GetIndex();
+    sal_Int32 nSelectionEndPos = GetEditSelection().Max().GetIndex();
+
+    if (nSelectionStartPos > nSelectionEndPos)
+        std::swap(nSelectionStartPos, nSelectionEndPos);
+
+    if (nSelectionStartPos != 0)
+        return false;
+
+    const ContentNode* pNode = GetEditSelection().Min().GetNode();
+    return pNode->Len() == nSelectionEndPos;
+}
+
+bool ImpEditView::IsSelectionInSinglePara() const
+{
+    return GetEditSelection().Min().GetNode() == GetEditSelection().Max().GetNode();
+}
+
 void ImpEditView::CreateAnchor()
 {
     pEditEngine->SetInSelectionMode(true);
diff --git a/editeng/source/editeng/impedit.hxx b/editeng/source/editeng/impedit.hxx
index 5ff09c67257a..503e79bde400 100644
--- a/editeng/source/editeng/impedit.hxx
+++ b/editeng/source/editeng/impedit.hxx
@@ -416,6 +416,8 @@ public:
     bool            IsSelectionAtPoint( const Point& rPosPixel );
     bool            IsInSelection( const EditPaM& rPaM );
 
+    bool            IsSelectionFullPara() const;
+    bool            IsSelectionInSinglePara() const;
 
     void            SetAnchorMode( EEAnchorMode eMode );
     EEAnchorMode    GetAnchorMode() const           { return eAnchorMode; }
diff --git a/include/editeng/editview.hxx b/include/editeng/editview.hxx
index f014e3abfeb9..ce0407c36530 100644
--- a/include/editeng/editview.hxx
+++ b/include/editeng/editview.hxx
@@ -210,6 +210,8 @@ public:
     void            SelectCurrentWord( sal_Int16 nWordType = css::i18n::WordType::ANYWORD_IGNOREWHITESPACES );
     /// Returns the rectangles of the current selection in TWIPs.
     void GetSelectionRectangles(std::vector<tools::Rectangle>& rLogicRects) const;
+    bool IsSelectionFullPara() const;
+    bool IsSelectionWithinSinglePara() const;
 
     bool            IsInsertMode() const;
     void            SetInsertMode( bool bInsert );
diff --git a/sd/source/ui/func/fuformatpaintbrush.cxx b/sd/source/ui/func/fuformatpaintbrush.cxx
index ae8f2f79ab74..9bbd30939d53 100644
--- a/sd/source/ui/func/fuformatpaintbrush.cxx
+++ b/sd/source/ui/func/fuformatpaintbrush.cxx
@@ -37,6 +37,25 @@
 
 #include <Window.hxx>
 
+namespace
+{
+// Paragraph properties are pasted if the selection contains a whole paragraph
+// or there was no selection at all (i.e. just a left click)
+bool ShouldPasteParaFormatPerSelection(const OutlinerView* pOLV)
+{
+    if(!pOLV)
+        return true;
+
+    if(!pOLV->GetEditView().HasSelection())
+        return true;
+
+    if(!pOLV->GetEditView().IsSelectionWithinSinglePara())
+        return true;
+
+    return pOLV->GetEditView().IsSelectionFullPara();
+}
+}
+
 namespace sd {
 
 
@@ -166,16 +185,21 @@ bool FuFormatPaintBrush::MouseButtonUp(const MouseEvent& rMEvt)
 {
     if( mxItemSet && mpView && mpView->AreObjectsMarked() )
     {
+        OutlinerView* pOLV = mpView->GetTextEditOutlinerView();
+
         bool bNoCharacterFormats = false;
-        bool bNoParagraphFormats = false;
+        bool bNoParagraphFormats = !ShouldPasteParaFormatPerSelection(pOLV);
+
+        if ((rMEvt.GetModifier() & KEY_MOD1) && (rMEvt.GetModifier() & KEY_SHIFT))
+        {
+            bNoCharacterFormats = true;
+            bNoParagraphFormats = false;
+        }
+        else if (rMEvt.GetModifier() & KEY_MOD1)
         {
-            if( (rMEvt.GetModifier()&KEY_MOD1) && (rMEvt.GetModifier()&KEY_SHIFT) )
-                bNoCharacterFormats = true;
-            else if( rMEvt.GetModifier() & KEY_MOD1 )
-                bNoParagraphFormats = true;
+            bNoParagraphFormats = true;
         }
 
-        OutlinerView* pOLV = mpView->GetTextEditOutlinerView();
         if( pOLV )
             pOLV->MouseButtonUp(rMEvt);