Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 173 insertions, 0 deletions

diff --git a/toolkit/source/awt/scrollabledialog.cxx b/toolkit/source/awt/scrollabledialog.cxx
new file mode 100644
index 000000000..ff9abf48b
--- /dev/null
+++ b/toolkit/source/awt/scrollabledialog.cxx
@@ -0,0 +1,173 @@
+/* -*- 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 <helper/scrollabledialog.hxx>
+#include <vcl/settings.hxx>
+
+namespace toolkit
+{
+
+// Using  WB_AUTOHSCROLL, WB_AUTOVSCROLL here sucks big time, there is a
+// problem in the toolkit class where there are some clashing IDs
+// ( css::awt::VclWindowPeerAttribute::VSCROLL has the same value
+// as css::awt::WindowAttribute::NODECORATION and they are used
+// in the same bitmap :-( WB_VSCROLL & WB_HSCROLL apparently are only for
+// child classes ( whole thing is a mess if you ask me )
+ScrollableDialog::ScrollableDialog( vcl::Window* pParent, WinBits nStyle, Dialog::InitFlag eFlag )
+    : Dialog( pParent, nStyle & ~( WB_AUTOHSCROLL | WB_AUTOVSCROLL ), eFlag ),
+      maHScrollBar( VclPtr<ScrollBar>::Create(this, WB_HSCROLL | WB_DRAG) ),
+      maVScrollBar( VclPtr<ScrollBar>::Create(this, WB_VSCROLL | WB_DRAG) ),
+      mbHasHoriBar( false ),
+      mbHasVertBar( false ),
+      maScrollVis( None )
+{
+    Link<ScrollBar*,void> aLink( LINK( this, ScrollableDialog, ScrollBarHdl ) );
+    maVScrollBar->SetScrollHdl( aLink );
+    maHScrollBar->SetScrollHdl( aLink );
+
+    ScrollBarVisibility aVis = None;
+
+    if ( nStyle & ( WB_AUTOHSCROLL | WB_AUTOVSCROLL ) )
+    {
+        if ( nStyle & WB_AUTOHSCROLL )
+            aVis = Hori;
+        if ( nStyle &  WB_AUTOVSCROLL )
+        {
+            if ( aVis == Hori )
+                aVis = Both;
+            else
+                aVis = Vert;
+        }
+    }
+    setScrollVisibility( aVis );
+    mnScrWidth = Dialog::GetSettings().GetStyleSettings().GetScrollBarSize();
+}
+
+void ScrollableDialog::setScrollVisibility( ScrollBarVisibility rVisState )
+{
+    maScrollVis = rVisState;
+    if (  maScrollVis == Hori || maScrollVis == Both )
+    {
+        mbHasHoriBar = true;
+        maHScrollBar->Show();
+    }
+    if ( maScrollVis == Vert || maScrollVis == Both )
+    {
+        mbHasVertBar = true;
+        maVScrollBar->Show();
+    }
+    if ( mbHasHoriBar || mbHasVertBar )
+        SetStyle( Dialog::GetStyle() | WB_CLIPCHILDREN );
+}
+
+ScrollableDialog::~ScrollableDialog()
+{
+    disposeOnce();
+}
+
+void ScrollableDialog::dispose()
+{
+    maHScrollBar.disposeAndClear();
+    maVScrollBar.disposeAndClear();
+    Dialog::dispose();
+}
+
+void ScrollableDialog::lcl_Scroll( long nX, long nY )
+{
+    long nXScroll = mnScrollPos.X() - nX;
+    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 != maVScrollBar.get() && pChild != maHScrollBar.get() )
+        {
+            Point aPos = pChild->GetPosPixel();
+            aPos += Point( nXScroll, nYScroll );
+            pChild->SetPosPixel( aPos );
+        }
+    }
+}
+
+IMPL_LINK( ScrollableDialog, ScrollBarHdl, ScrollBar*, pSB, void )
+{
+    sal_uInt16 nPos = static_cast<sal_uInt16>(pSB->GetThumbPos());
+    if( pSB == maVScrollBar.get() )
+        lcl_Scroll(mnScrollPos.X(), nPos );
+    else if( pSB == maHScrollBar.get() )
+        lcl_Scroll(nPos, mnScrollPos.Y() );
+}
+
+void ScrollableDialog::SetScrollTop( long nTop )
+{
+    Point aOld = mnScrollPos;
+    lcl_Scroll( mnScrollPos.X() , mnScrollPos.Y() - nTop );
+    maHScrollBar->SetThumbPos( 0 );
+    // new pos is 0,0
+    mnScrollPos = aOld;
+}
+void ScrollableDialog::SetScrollLeft( long nLeft )
+{
+    Point aOld = mnScrollPos;
+    lcl_Scroll( mnScrollPos.X() - nLeft , mnScrollPos.Y() );
+    maVScrollBar->SetThumbPos( 0 );
+    // new pos is 0,0
+    mnScrollPos = aOld;
+}
+
+void ScrollableDialog::SetScrollWidth( long nWidth )
+{
+    maScrollArea.setWidth( nWidth );
+    ResetScrollBars();
+}
+
+void ScrollableDialog::SetScrollHeight( long nHeight )
+{
+    maScrollArea.setHeight( nHeight );
+    ResetScrollBars();
+}
+
+void ScrollableDialog::Resize()
+{
+    ResetScrollBars();
+}
+
+void ScrollableDialog::ResetScrollBars()
+{
+    Size aOutSz = GetOutputSizePixel();
+
+    Point aVPos( aOutSz.Width() - mnScrWidth, 0 );
+    Point aHPos( 0, aOutSz.Height() - mnScrWidth );
+
+    maVScrollBar->SetPosSizePixel( aVPos, Size( mnScrWidth,  GetSizePixel().Height() - mnScrWidth ) );
+    maHScrollBar->SetPosSizePixel( aHPos, Size(  GetSizePixel().Width() - mnScrWidth, mnScrWidth ) );
+
+    maHScrollBar->SetRangeMax( maScrollArea.Width() + mnScrWidth  );
+    maHScrollBar->SetVisibleSize( GetSizePixel().Width() );
+
+    maVScrollBar->SetRangeMax( maScrollArea.Height() + mnScrWidth );
+    maVScrollBar->SetVisibleSize( GetSizePixel().Height() );
+}
+
+} // toolkit
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */