Implement sidebar increase/decrease indent buttons on Impress

Change-Id: Ie7c115e041a6dee7b5e5d938ad3fbf37cf9bc89b
Reviewed-on: https://gerrit.libreoffice.org/69840
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

sd/sdi/drtxtob.sdi

@@ -191,6 +191,18 @@ shell TextObjectBar
         StateMethod = GetAttrState;
     ]
 
+    SID_INC_INDENT
+    [
+        ExecMethod = Execute;
+        StateMethod = GetAttrState;
+    ]
+
+    SID_DEC_INDENT
+    [
+        ExecMethod = Execute;
+        StateMethod = GetAttrState;
+    ]
+
     SID_ATTR_PARA_LRSPACE
     [
         ExecMethod = Execute ;

sd/source/ui/func/fudraw.cxx

@@ -970,6 +970,8 @@ bool FuDraw::cancel()
         bReturn = true;
 
         SfxBindings& rBindings = mpViewShell->GetViewFrame()->GetBindings();
+        rBindings.Invalidate( SID_DEC_INDENT );
+        rBindings.Invalidate( SID_INC_INDENT );
         rBindings.Invalidate( SID_PARASPACE_INCREASE );
         rBindings.Invalidate( SID_PARASPACE_DECREASE );
     }

sd/source/ui/func/fuoltext.cxx

@@ -72,6 +72,8 @@ static const sal_uInt16 SidArray[] = {
                 SID_SET_SUPER_SCRIPT,
                 SID_SET_SUB_SCRIPT,
                 SID_HYPERLINK_GETLINK,
+                SID_DEC_INDENT,
+                SID_INC_INDENT,
                 SID_PARASPACE_INCREASE,
                 SID_PARASPACE_DECREASE,
                 SID_STATUS_PAGE,

sd/source/ui/func/fuparagr.cxx

@@ -141,6 +141,8 @@ void FuParagraph::DoExecute( SfxRequest& rReq )
         SID_ATTR_PARA_LINESPACE_20,
         SID_ATTR_PARA_ULSPACE,
         SID_ATTR_PARA_LRSPACE,
+        SID_DEC_INDENT,
+        SID_INC_INDENT,
         SID_ATTR_PARA_LEFT_TO_RIGHT,
         SID_ATTR_PARA_RIGHT_TO_LEFT,
         SID_RULER_TEXT_RIGHT_TO_LEFT,

sd/source/ui/func/futext.cxx

@@ -123,6 +123,8 @@ static const sal_uInt16 SidArray[] = {
     SID_ATTR_TRANSFORM_AUTOWIDTH,     //   10310
     SID_ATTR_TRANSFORM_AUTOHEIGHT,    //   10311 //Added
     SID_HYPERLINK_GETLINK,            //   10361
+    SID_DEC_INDENT,                   //   10461
+    SID_INC_INDENT,                   //   10462
     SID_CHARMAP,                      //   10503
     SID_TEXTDIRECTION_LEFT_TO_RIGHT,  //   10907
     SID_TEXTDIRECTION_TOP_TO_BOTTOM,  //   10908

sd/source/ui/view/drtxtob.cxx

@@ -434,6 +434,8 @@ void TextObjectBar::GetAttrState( SfxItemSet& rSet )
         rSet.DisableItem( SID_ATTR_PARA_LINESPACE_10 );
         rSet.DisableItem( SID_ATTR_PARA_LINESPACE_15 );
         rSet.DisableItem( SID_ATTR_PARA_LINESPACE_20 );
+        rSet.DisableItem( SID_DEC_INDENT );
+        rSet.DisableItem( SID_INC_INDENT );
         rSet.DisableItem( SID_PARASPACE_INCREASE );
         rSet.DisableItem( SID_PARASPACE_DECREASE );
         rSet.DisableItem( SID_TEXTDIRECTION_TOP_TO_BOTTOM );

sd/source/ui/view/drtxtob1.cxx

@@ -130,6 +130,59 @@ void TextObjectBar::Execute( SfxRequest &rReq )
         }
         break;
 
+        case SID_INC_INDENT:
+        case SID_DEC_INDENT:
+        {
+            if( pOLV )
+            {
+                ESelection aSel = pOLV->GetSelection();
+                aSel.Adjust();
+                sal_Int32 nStartPara = aSel.nStartPara;
+                sal_Int32 nEndPara = aSel.nEndPara;
+                if( !aSel.HasRange() )
+                {
+                    nStartPara = 0;
+                    nEndPara = pOLV->GetOutliner()->GetParagraphCount() - 1;
+                }
+                for( sal_Int32 nPara = nStartPara; nPara <= nEndPara; nPara++ )
+                {
+                    SfxStyleSheet* pStyleSheet = nullptr;
+                    if (pOLV->GetOutliner() != nullptr)
+                        pStyleSheet = pOLV->GetOutliner()->GetStyleSheet(nPara);
+                    if (pStyleSheet != nullptr)
+                    {
+                        SfxItemSet aAttr( pStyleSheet->GetItemSet() );
+                        SfxItemSet aTmpSet( pOLV->GetOutliner()->GetParaAttribs( nPara ) );
+                        aAttr.Put( aTmpSet, false );
+                        const SvxLRSpaceItem& rItem = aAttr.Get( EE_PARA_LRSPACE );
+                        std::unique_ptr<SvxLRSpaceItem> pNewItem(static_cast<SvxLRSpaceItem*>(rItem.Clone()));
+
+                        long nLeft = pNewItem->GetLeft();
+                        if( nSlot == SID_INC_INDENT )
+                            nLeft += 1000;
+                        else
+                        {
+                            nLeft -= 1000;
+                            nLeft = std::max<long>( nLeft, 0 );
+                        }
+                        pNewItem->SetLeftValue( static_cast<sal_uInt16>(nLeft) );
+
+                        SfxItemSet aNewAttrs( aAttr );
+                        aNewAttrs.Put( *pNewItem );
+                        pNewItem.reset();
+                        pOLV->GetOutliner()->SetParaAttribs( nPara, aNewAttrs );
+                    }
+                }
+            }
+            rReq.Done();
+
+            Invalidate();
+            // to refresh preview (in outline mode), slot has to be invalidated:
+            mpViewShell->GetViewFrame()->GetBindings().Invalidate( SID_PREVIEW_STATE, true );
+
+        }
+        break;
+
         case SID_PARASPACE_INCREASE:
         case SID_PARASPACE_DECREASE:
         {