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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
#include <toolkit/awt/scrollabledialog.hxx>
namespace toolkit
{
ScrollableDialog::ScrollableDialog( Window* pParent, WinBits nStyle ) : Dialog( pParent, nStyle | ~( WB_HSCROLL | WB_VSCROLL ) ), maHScrollBar( this, WB_HSCROLL | WB_DRAG), maVScrollBar( this, WB_VSCROLL | WB_DRAG ), mbHasHoriBar( false ), mbHasVertBar( false ), maScrollVis( None )
{
Link aLink( LINK( this, ScrollableDialog, ScrollBarHdl ) );
maVScrollBar.SetScrollHdl( aLink );
maHScrollBar.SetScrollHdl( aLink );
Size aOutSz = GetOutputSizePixel();
ScrollBarVisibility aVis = None;
if ( nStyle & ( WB_HSCROLL | WB_VSCROLL ) )
{
if ( nStyle & WB_HSCROLL )
aVis = Hori;
if ( nStyle & WB_VSCROLL )
{
if ( aVis == Hori )
aVis = Both;
else
aVis = Vert;
}
}
setScrollVisibility( aVis );
mnScrWidth = GetSettings().GetStyleSettings().GetScrollBarSize();
}
void ScrollableDialog::setScrollVisibility( ScrollBarVisibility rVisState )
{
maScrollVis = rVisState;
if ( maScrollVis == Hori || maScrollVis == Both )
mbHasHoriBar = true;
if ( maScrollVis == Vert || maScrollVis == Both )
mbHasVertBar = true;
if ( mbHasVertBar )
maVScrollBar.Show();
if ( mbHasHoriBar )
maHScrollBar.Show();
if ( mbHasHoriBar || mbHasVertBar )
SetStyle( GetStyle() | WB_CLIPCHILDREN | SCROLL_UPDATE );
}
ScrollableDialog::~ScrollableDialog()
{
}
Window* ScrollableDialog::getContentWindow()
{
return this;
}
void ScrollableDialog::lcl_Scroll( long nX, long nY )
{
long nXScroll = mnScrollPos.X() - nX;
long nYScroll = mnScrollPos.Y() - nY;
printf( "ScrollableDialog::lcl_Scroll %d, %d nXScroll %d, nYScroll %d\n", nX, nY, nXScroll, nYScroll );
mnScrollPos = Point( nX, nY );
Rectangle aScrollableArea( 0, 0, maScrollArea.Width(), maScrollArea.Height() );
Window::Scroll(nXScroll, nYScroll, aScrollableArea );
// Manually scroll all children ( except the scrollbars )
for ( int index = 0; index < GetChildCount(); ++index )
{
Window* pChild = GetChild( index );
if ( pChild && pChild != &maVScrollBar && pChild != &maHScrollBar )
{
Point aPos = pChild->GetPosPixel();
aPos += Point( nXScroll, nYScroll );
pChild->SetPosPixel( aPos );
}
}
}
IMPL_LINK( ScrollableDialog, ScrollBarHdl, ScrollBar*, pSB )
{
sal_uInt16 nPos = (sal_uInt16) pSB->GetThumbPos();
if( pSB == &maVScrollBar )
lcl_Scroll(mnScrollPos.X(), nPos );
else if( pSB == &maHScrollBar )
lcl_Scroll(nPos, mnScrollPos.Y() );
return 1;
}
void ScrollableDialog::SetScrollTop( long nTop )
{
printf("ScrollableDialog::SetScrollTop(%d)\n", nTop );
Point aOld = mnScrollPos;
lcl_Scroll( mnScrollPos.X() , nTop );
printf("about to set thumb\n");
maHScrollBar.SetThumbPos( 0 );
mnScrollPos = aOld;
}
void ScrollableDialog::SetScrollLeft( long nLeft )
{
printf("ScrollableDialog::SetScrollLeft(%d)\n", nLeft );
Point aOld = mnScrollPos;
lcl_Scroll( nLeft , mnScrollPos.Y() );
printf("about to set thumb\n");
maVScrollBar.SetThumbPos( 0 );
mnScrollPos = aOld;
}
void ScrollableDialog::SetScrollWidth( long nWidth )
{
printf("ScrollableDialog::SetScrollWidth(%d)\n", nWidth );
maScrollArea.Width() = nWidth;
ResetScrollBars();
}
void ScrollableDialog::SetScrollHeight( long nHeight )
{
printf("ScrollableDialog::SetScrollHeight(%d)\n", nHeight );
maScrollArea.Height() = nHeight;
ResetScrollBars();
}
void ScrollableDialog::Resize()
{
ResetScrollBars();
}
void ScrollableDialog::ResetScrollBars()
{
Size aOutSz = GetOutputSizePixel();
printf("ScrollableDialog::ResetScrollbars() - size is width %d height %d\n", GetSizePixel().Width(), GetSizePixel().Height() );
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() );
// maHScrollBar.SetPageSize( maScrollArea.Height() );
maVScrollBar.SetRangeMax( maScrollArea.Height() + mnScrWidth );
maVScrollBar.SetVisibleSize( GetSizePixel().Height() );
// maVScrollBar.SetPageSize( maScrollArea.Width() );
}
} // toolkit
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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