1 files changed, 310 insertions, 0 deletions
diff --git a/vcl/source/window/tabpage.cxx b/vcl/source/window/tabpage.cxx
new file mode 100644
index 000000000..34f52d8b3
--- /dev/null
+++ b/vcl/source/window/tabpage.cxx
@@ -0,0 +1,310 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <vcl/event.hxx>
+#include <vcl/layout.hxx>
+#include <vcl/tabpage.hxx>
+#include <vcl/bitmapex.hxx>
+#include <vcl/settings.hxx>
+#include <vcl/scrbar.hxx>
+#include <svdata.hxx>
+
+void TabPage::ImplInit( vcl::Window* pParent, WinBits nStyle )
+{
+    if ( !(nStyle & WB_NODIALOGCONTROL) )
+        nStyle |= WB_DIALOGCONTROL;
+
+    Window::ImplInit( pParent, nStyle, nullptr );
+
+    mbHasHoriBar = false;
+    mbHasVertBar = false;
+
+    Link<ScrollBar*,void> aLink( LINK( this, TabPage, ScrollBarHdl ) );
+
+    if ( nStyle & ( WB_AUTOHSCROLL | WB_AUTOVSCROLL ) )
+    {
+        if ( nStyle & WB_AUTOHSCROLL )
+        {
+            mbHasHoriBar = true;
+            m_pHScroll.set(VclPtr<ScrollBar>::Create(this, (WB_HSCROLL | WB_DRAG)));
+            m_pHScroll->Show();
+            m_pHScroll->SetScrollHdl(aLink);
+        }
+        if ( nStyle &  WB_AUTOVSCROLL )
+        {
+            mbHasVertBar = true;
+            m_pVScroll.set(VclPtr<ScrollBar>::Create(this, (WB_VSCROLL | WB_DRAG)));
+            m_pVScroll->Show();
+            m_pVScroll->SetScrollHdl(aLink);
+        }
+    }
+
+    if ( mbHasHoriBar || mbHasVertBar )
+    {
+        SetStyle( GetStyle() | WB_CLIPCHILDREN );
+    }
+
+    mnScrWidth = Application::GetSettings().GetStyleSettings().GetScrollBarSize();
+
+    ImplInitSettings();
+
+    // if the tabpage is drawn (ie filled) by a native widget, make sure all controls will have transparent background
+    // otherwise they will paint with a wrong background
+    if( IsNativeControlSupported(ControlType::TabBody, ControlPart::Entire) && GetParent() && (GetParent()->GetType() == WindowType::TABCONTROL) )
+        EnableChildTransparentMode();
+}
+
+void TabPage::ImplInitSettings()
+{
+    vcl::Window* pParent = GetParent();
+    if (pParent && pParent->IsChildTransparentModeEnabled() && !IsControlBackground())
+    {
+        EnableChildTransparentMode();
+        SetParentClipMode( ParentClipMode::NoClip );
+        SetPaintTransparent( true );
+        SetBackground();
+    }
+    else
+    {
+        EnableChildTransparentMode( false );
+        SetParentClipMode();
+        SetPaintTransparent( false );
+
+        if (IsControlBackground() || !pParent)
+            SetBackground( GetControlBackground() );
+        else
+            SetBackground( pParent->GetBackground() );
+    }
+}
+
+TabPage::TabPage( vcl::Window* pParent, WinBits nStyle ) :
+    Window( WindowType::TABPAGE )
+{
+    ImplInit( pParent, nStyle );
+}
+
+TabPage::~TabPage()
+{
+    disposeOnce();
+}
+
+void TabPage::dispose()
+{
+    m_pVScroll.disposeAndClear();
+    m_pHScroll.disposeAndClear();
+    vcl::Window::dispose();
+}
+
+void TabPage::StateChanged( StateChangedType nType )
+{
+    Window::StateChanged( nType );
+
+    if ( nType == StateChangedType::InitShow )
+    {
+        if (GetSettings().GetStyleSettings().GetAutoMnemonic())
+            GenerateAutoMnemonicsOnHierarchy(this);
+        // FIXME: no layouting, workaround some clipping issues
+        ImplAdjustNWFSizes();
+    }
+    else if ( nType == StateChangedType::ControlBackground )
+    {
+        ImplInitSettings();
+        Invalidate();
+    }
+}
+
+void TabPage::DataChanged( const DataChangedEvent& rDCEvt )
+{
+    Window::DataChanged( rDCEvt );
+
+    if ( (rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
+         (rDCEvt.GetFlags() & AllSettingsFlags::STYLE) )
+    {
+        ImplInitSettings();
+        Invalidate();
+    }
+}
+
+void TabPage::Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& )
+{
+    // draw native tabpage only inside tabcontrols, standalone tabpages look ugly (due to bad dialog design)
+    if( !(IsNativeControlSupported(ControlType::TabBody, ControlPart::Entire) && GetParent() && (GetParent()->GetType() == WindowType::TABCONTROL)) )
+        return;
+
+    const ImplControlValue aControlValue;
+
+    ControlState nState = ControlState::ENABLED;
+    if ( !IsEnabled() )
+        nState &= ~ControlState::ENABLED;
+    if ( HasFocus() )
+        nState |= ControlState::FOCUSED;
+    // pass the whole window region to NWF as the tab body might be a gradient or bitmap
+    // that has to be scaled properly, clipping makes sure that we do not paint too much
+    tools::Rectangle aCtrlRegion( Point(), GetOutputSizePixel() );
+    rRenderContext.DrawNativeControl( ControlType::TabBody, ControlPart::Entire, aCtrlRegion, nState,
+            aControlValue, OUString() );
+}
+
+void TabPage::Draw( OutputDevice* pDev, const Point& rPos, SystemTextColorFlags )
+{
+    Point aPos = pDev->LogicToPixel( rPos );
+    Size aSize = GetSizePixel();
+
+    Wallpaper aWallpaper = GetBackground();
+    if ( !aWallpaper.IsBitmap() )
+        ImplInitSettings();
+
+    pDev->Push();
+    pDev->SetMapMode();
+    pDev->SetLineColor();
+
+    if ( aWallpaper.IsBitmap() )
+        pDev->DrawBitmapEx( aPos, aSize, aWallpaper.GetBitmap() );
+    else
+    {
+        if( aWallpaper.GetColor() == COL_AUTO )
+            pDev->SetFillColor( GetSettings().GetStyleSettings().GetDialogColor() );
+        else
+            pDev->SetFillColor( aWallpaper.GetColor() );
+        pDev->DrawRect( tools::Rectangle( aPos, aSize ) );
+    }
+
+    pDev->Pop();
+}
+
+Size TabPage::GetOptimalSize() const
+{
+    if (isLayoutEnabled(this))
+        return VclContainer::getLayoutRequisition(*GetWindow(GetWindowType::FirstChild));
+    return getLegacyBestSizeForChildren(*this);
+}
+
+void TabPage::SetPosSizePixel(const Point& rAllocPos, const Size& rAllocation)
+{
+    Window::SetPosSizePixel(rAllocPos, rAllocation);
+    if (isLayoutEnabled(this) && rAllocation.Width() && rAllocation.Height())
+        VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), rAllocation);
+}
+
+void TabPage::SetSizePixel(const Size& rAllocation)
+{
+    Window::SetSizePixel(rAllocation);
+    if (isLayoutEnabled(this) && rAllocation.Width() && rAllocation.Height())
+        VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), rAllocation);
+}
+
+void TabPage::SetPosPixel(const Point& rAllocPos)
+{
+    Window::SetPosPixel(rAllocPos);
+    Size aAllocation(GetOutputSizePixel());
+    if (isLayoutEnabled(this) && aAllocation.Width() && aAllocation.Height())
+    {
+        VclContainer::setLayoutAllocation(*GetWindow(GetWindowType::FirstChild), Point(0, 0), aAllocation);
+    }
+}
+
+void TabPage::lcl_Scroll( tools::Long nX, tools::Long nY )
+{
+    tools::Long nXScroll = mnScrollPos.X() - nX;
+    tools::Long nYScroll = mnScrollPos.Y() - nY;
+    mnScrollPos = Point( nX, nY );
+
+    tools::Rectangle aScrollableArea( 0, 0, maScrollArea.Width(), maScrollArea.Height() );
+    Scroll(nXScroll, nYScroll, aScrollableArea );
+    // Manually scroll all children ( except the scrollbars )
+    for ( int index = 0; index < GetChildCount(); ++index )
+    {
+        vcl::Window* pChild = GetChild( index );
+        if ( pChild && pChild != m_pVScroll.get() && pChild != m_pHScroll.get() )
+        {
+            Point aPos = pChild->GetPosPixel();
+            aPos += Point( nXScroll, nYScroll );
+            pChild->SetPosPixel( aPos );
+        }
+    }
+}
+
+IMPL_LINK( TabPage, ScrollBarHdl, ScrollBar*, pSB, void )
+{
+    sal_uInt16 nPos = static_cast<sal_uInt16>(pSB->GetThumbPos());
+    if( pSB == m_pVScroll.get() )
+        lcl_Scroll(mnScrollPos.X(), nPos );
+    else if( pSB == m_pHScroll.get() )
+        lcl_Scroll(nPos, mnScrollPos.Y() );
+}
+
+void TabPage::SetScrollTop( tools::Long nTop )
+{
+    Point aOld = mnScrollPos;
+    lcl_Scroll( mnScrollPos.X() , mnScrollPos.Y() - nTop );
+    if( m_pHScroll )
+        m_pHScroll->SetThumbPos( 0 );
+    // new pos is 0,0
+    mnScrollPos = aOld;
+}
+void TabPage::SetScrollLeft( tools::Long nLeft )
+{
+    Point aOld = mnScrollPos;
+    lcl_Scroll( mnScrollPos.X() - nLeft , mnScrollPos.Y() );
+    if( m_pVScroll )
+        m_pVScroll->SetThumbPos( 0 );
+    // new pos is 0,0
+    mnScrollPos = aOld;
+}
+
+void TabPage::SetScrollWidth( tools::Long nWidth )
+{
+    maScrollArea.setWidth( nWidth );
+    ResetScrollBars();
+}
+
+void TabPage::SetScrollHeight( tools::Long nHeight )
+{
+    maScrollArea.setHeight( nHeight );
+    ResetScrollBars();
+}
+
+void TabPage::Resize()
+{
+    ResetScrollBars();
+}
+
+void TabPage::ResetScrollBars()
+{
+    Size aOutSz = GetOutputSizePixel();
+
+    Point aVPos( aOutSz.Width() - mnScrWidth, 0 );
+    Point aHPos( 0, aOutSz.Height() - mnScrWidth );
+
+    if( m_pVScroll )
+    {
+        m_pVScroll->SetPosSizePixel( aVPos, Size( mnScrWidth,  GetSizePixel().Height() - mnScrWidth ) );
+        m_pVScroll->SetRangeMax( maScrollArea.Height() + mnScrWidth );
+        m_pVScroll->SetVisibleSize( GetSizePixel().Height() );
+    }
+
+    if( m_pHScroll )
+    {
+        m_pHScroll->SetPosSizePixel( aHPos, Size(  GetSizePixel().Width() - mnScrWidth, mnScrWidth ) );
+        m_pHScroll->SetRangeMax( maScrollArea.Width() + mnScrWidth  );
+        m_pHScroll->SetVisibleSize( GetSizePixel().Width() );
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */