fdo#63351 make use of ZoomSlider in StarMath

In collaboration with Marcos Souza <marcos.souza.org@gmail.com> :)

Includes some reordering of the statusbar: Zoom and ZoomSlider right,
left field with automatic size adjustment.

Change-Id: Ibfb1eab1abef7b026eeb7fd7c0a778c433c9e208
Reviewed-on: https://gerrit.libreoffice.org/4053Reviewed-by: Michael Meeks <michael.meeks@suse.com>
Tested-by: Michael Meeks <michael.meeks@suse.com>

starmath/sdi/smslots.sdi

@@ -283,6 +283,11 @@ interface FormulaView
         ExecMethod = Execute ;
         StateMethod = GetState ;
     ]
+    SID_ATTR_ZOOMSLIDER
+    [
+        ExecMethod = Execute ;
+        StateMethod = GetState ;
+    ]
     //idlpp kein Menueeintrag , also keine Texte
     SID_TEXTSTATUS //idlpp ole : no , status : no
     [

starmath/source/smdll.cxx

@@ -21,6 +21,7 @@
 #include <svx/svxids.hrc>
 #include <svx/modctrl.hxx>
 #include <svx/zoomctrl.hxx>
+#include <svx/zoomsliderctrl.hxx>
 #include <sfx2/docfac.hxx>
 #include <svx/lboxctrl.hxx>
 #include <sfx2/docfile.hxx>
@@ -67,6 +68,7 @@ namespace
         SmViewShell::RegisterFactory(1);
 
         SvxZoomStatusBarControl::RegisterControl(SID_ATTR_ZOOM, pModule);
+        SvxZoomSliderControl::RegisterControl(SID_ATTR_ZOOMSLIDER, pModule);
         SvxModifyControl::RegisterControl(SID_TEXTSTATUS, pModule);
         SvxUndoRedoControl::RegisterControl(SID_UNDO, pModule);
         SvxUndoRedoControl::RegisterControl(SID_REDO, pModule);

starmath/source/typemap.cxx

@@ -21,6 +21,7 @@
 #include <svl/stritem.hxx>
 #include <svl/eitem.hxx>
 #include <sfx2/zoomitem.hxx>
+#include <svx/zoomslideritem.hxx>
 #include <svx/svxids.hrc>
 #include <svl/slstitm.hxx>
 

starmath/source/view.cxx

@@ -51,6 +51,7 @@
 #include <svl/undo.hxx>
 #include <svl/whiter.hxx>
 #include <svx/dialogs.hrc>
+#include <svx/zoomslideritem.hxx>
 #include <editeng/editeng.hxx>
 #include <svx/svxdlg.hxx>
 #include <sfx2/zoomitem.hxx>
@@ -613,7 +614,10 @@ void SmGraphicWindow::SetZoom(sal_uInt16 Factor)
     SetTotalSize();
     SmViewShell *pViewSh = GetView();
     if (pViewSh)
+    {
         pViewSh->GetViewFrame()->GetBindings().Invalidate(SID_ATTR_ZOOM);
+        pViewSh->GetViewFrame()->GetBindings().Invalidate(SID_ATTR_ZOOMSLIDER);
+    }
     Invalidate();
 }
 
@@ -1853,6 +1857,19 @@ void SmViewShell::Execute(SfxRequest& rReq)
         }
         break;
 
+        case SID_ATTR_ZOOMSLIDER:
+        {
+            const SfxItemSet *pArgs = rReq.GetArgs();
+            const SfxPoolItem* pItem;
+
+            if ( pArgs && SFX_ITEM_SET == pArgs->GetItemState(SID_ATTR_ZOOMSLIDER, sal_True, &pItem ) )
+            {
+                const sal_uInt16 nCurrentZoom = ((const SvxZoomSliderItem *)pItem)->GetValue();
+                aGraphic.SetZoom( nCurrentZoom );
+            }
+        }
+        break;
+
         case SID_TOOLBOX:
         {
             GetViewFrame()->ToggleChildWindow( SmToolBoxWrapper::GetChildWindowId() );
@@ -1936,6 +1953,15 @@ void SmViewShell::GetState(SfxItemSet &rSet)
                 rSet.DisableItem( nWh );
             break;
 
+        case SID_ATTR_ZOOMSLIDER :
+            {
+                const sal_uInt16 nCurrentZoom = aGraphic.GetZoom();
+                SvxZoomSliderItem aZoomSliderItem( nCurrentZoom, MINZOOM, MAXZOOM );
+                aZoomSliderItem.AddSnappingPoint( 100 );
+                rSet.Put( aZoomSliderItem );
+            }
+        break;
+
         case SID_NEXTERR:
         case SID_PREVERR:
         case SID_NEXTMARK:

starmath/uiconfig/smath/statusbar/statusbar.xml

@@ -18,8 +18,9 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  -->
 <statusbar:statusbar xmlns:statusbar="http://openoffice.org/2001/statusbar" xmlns:xlink="http://www.w3.org/1999/xlink">
- <statusbar:statusbaritem xlink:href=".uno:TextStatus" statusbar:align="left" statusbar:width="300"/>
- <statusbar:statusbaritem xlink:href=".uno:Zoom" statusbar:align="center" statusbar:width="54"/>
+ <statusbar:statusbaritem xlink:href=".uno:TextStatus" statusbar:align="left" statusbar:autosize="true" statusbar:width="300"/>
  <statusbar:statusbaritem xlink:href=".uno:ModifiedStatus" statusbar:align="center" statusbar:ownerdraw="true" statusbar:width="9"/>
  <statusbar:statusbaritem xlink:href=".uno:Signature" statusbar:align="center" statusbar:ownerdraw="true" statusbar:width="16"/>
+ <statusbar:statusbaritem xlink:href=".uno:ZoomSlider" statusbar:align="right" statusbar:ownerdraw="true" statusbar:width="130"/>
+ <statusbar:statusbaritem xlink:href=".uno:Zoom" statusbar:align="center" statusbar:width="54"/>
 </statusbar:statusbar>