Make bottom tabbar items follow native theme

Change-Id: Ia1c4b4ece81655a91c6e489ee51291684e06c157

svtools/source/control/tabbar.cxx

@@ -1098,14 +1098,20 @@ public:
 
     void drawOutputAreaBorder()
     {
+        Size aOutputSize = mrParent.GetOutputSizePixel();
+        Rectangle aOutRect = mrParent.GetPageArea();
+
+        Rectangle borderRect(Point(aOutRect.Left(),-10),Size(aOutputSize.Width(),12));
+        if( mrParent.IsNativeControlSupported(CTRL_FRAME,PART_ENTIRE_CONTROL) &&
+                mrParent.DrawNativeControl(CTRL_FRAME,PART_ENTIRE_CONTROL,borderRect,
+                    CTRL_STATE_ENABLED,ImplControlValue(FRAME_DRAW_IN),rtl::OUString()) )
+            return;
+
         WinBits nWinStyle = mrParent.GetStyle();
 
         // Bei Border oben und unten einen Strich extra malen
         if ( (nWinStyle & WB_BORDER) || (nWinStyle & WB_TOPBORDER) )
         {
-            Size aOutputSize = mrParent.GetOutputSizePixel();
-            Rectangle aOutRect = mrParent.GetPageArea();
-
             // Bei 3D-Tabs wird auch der Border in 3D gemalt
             if ( nWinStyle & WB_3DTAB )
             {
@@ -1198,6 +1204,27 @@ public:
 
     void drawTab()
     {
+        ControlState nState(CTRL_STATE_ENABLED);
+        if( mbSelected )
+            nState|=CTRL_STATE_SELECTED;
+        TabitemValue tiValue;
+        tiValue.mnPosition|=TABITEM_IS_AT_BOTTOM;
+        Rectangle tabRect(maRect);
+        tabRect.Left()+=5;
+        tabRect.Right()-=4;
+        tabRect.Bottom()+=1;
+        if( !mbSelected )
+        {
+            tabRect.Bottom()-=2;
+            tabRect.Top()+=2;
+        }
+        if( mrParent.IsNativeControlSupported(CTRL_TAB_ITEM,PART_ENTIRE_CONTROL) &&
+               mrParent.DrawNativeControl(CTRL_TAB_ITEM,PART_ENTIRE_CONTROL,tabRect,
+                   nState,tiValue,rtl::OUString()) )
+        {
+            return;
+        }
+
         mrParent.SetLineColor(mpStyleSettings->GetDarkShadowColor());
 
         // Je nach Status die richtige FillInBrush setzen
@@ -1421,10 +1448,13 @@ void TabBar::Paint( const Rectangle& )
             aDrawer.drawText(aText);
 
             if ( bCurrent )
+            {
+                if(!IsNativeControlSupported(CTRL_TAB_ITEM,PART_ENTIRE_CONTROL))
                 {
                     SetLineColor();
                     SetFillColor(aSelectColor);
                     aDrawer.drawOverTopBorder(mnWinStyle & WB_3DTAB);
+                }
                 return;
             }
 

vcl/inc/vcl/salnativewidgets.hxx

@@ -366,16 +366,20 @@ class VCL_DLLPUBLIC SliderValue : public ImplControlValue
 #define TABITEM_RIGHTALIGNED   0x002   // the tabitem is aligned with the right border of the TabControl
 #define TABITEM_FIRST_IN_GROUP 0x004   // the tabitem is the first in group of tabitems
 #define TABITEM_LAST_IN_GROUP  0x008   // the tabitem is the last in group of tabitems
+/* This constant is independent from the ones above */
+#define TABITEM_IS_AT_BOTTOM   0x001   // the tabitem at the bottom of the TabControl
 
 class VCL_DLLPUBLIC TabitemValue : public ImplControlValue
 {
     public:
         unsigned int    mnAlignment;
+        unsigned int    mnPosition;
 
         inline TabitemValue()
         : ImplControlValue( CTRL_TAB_ITEM, BUTTONVALUE_DONTKNOW, 0 )
         {
             mnAlignment = 0;
+            mnPosition = 0;
         };
         virtual ~TabitemValue();
         virtual TabitemValue* clone() const;
@@ -386,6 +390,7 @@ class VCL_DLLPUBLIC TabitemValue : public ImplControlValue
         sal_Bool isNotAligned() const   { return (mnAlignment & (TABITEM_LEFTALIGNED | TABITEM_RIGHTALIGNED)) == 0; }
         sal_Bool isFirst() const        { return (mnAlignment & TABITEM_FIRST_IN_GROUP) != 0; }
         sal_Bool isLast() const         { return (mnAlignment & TABITEM_LAST_IN_GROUP) != 0; }
+        sal_Bool isAtBottom() const     { return (mnPosition & TABITEM_IS_AT_BOTTOM) != 0; }
 };
 
 /* SpinbuttonValue:

vcl/unx/gtk/gdi/salnativewidgets-gtk.cxx

@@ -2680,7 +2680,11 @@ sal_Bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
 
         case CTRL_TAB_ITEM:
         {
+            const TabitemValue* tiValue = static_cast<const TabitemValue *>(&aValue);
             stateType = ( nState & CTRL_STATE_SELECTED ) ? GTK_STATE_NORMAL : GTK_STATE_ACTIVE;
+            GtkPositionType gapSide(GTK_POS_BOTTOM);
+            if(tiValue->isAtBottom())
+                gapSide=GTK_POS_TOP;
 
             // First draw the background
             gtk_paint_flat_box(gWidgetData[m_nXScreen].gNotebookWidget->style, pixmap,
@@ -2696,7 +2700,7 @@ sal_Bool GtkSalGraphics::NWPaintGTKTabItem( ControlType nType, ControlPart,
 
             gtk_paint_extension( gWidgetData[m_nXScreen].gNotebookWidget->style, pixmap, stateType, GTK_SHADOW_OUT, NULL, gWidgetData[m_nXScreen].gNotebookWidget,
                 (char *)"tab", (tabRect.Left() - pixmapRect.Left()), (tabRect.Top() - pixmapRect.Top()),
-                tabRect.GetWidth(), tabRect.GetHeight(), GTK_POS_BOTTOM );
+                tabRect.GetWidth(), tabRect.GetHeight(), gapSide);
 
             g_object_steal_data(G_OBJECT(pixmap),tabPrelitDataName);