office-gobmx/svtools/source/brwbox/brwbox1.cxx
Caolán McNamara b0bc9a81c2 use fwd decls of StatusBar
Change-Id: Ib7ba9978e348a824a23310f9a4e6cfb6b7c18f0a
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/88811
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
2020-02-16 20:19:00 +01:00

2349 lines
65 KiB
C++

/* -*- 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 <svtools/brwbox.hxx>
#include <svtools/brwhead.hxx>
#include <o3tl/numeric.hxx>
#include <o3tl/safeint.hxx>
#include "datwin.hxx"
#include <tools/debug.hxx>
#include <tools/fract.hxx>
#include <sal/log.hxx>
#include <vcl/scrbar.hxx>
#include <vcl/status.hxx>
#include <algorithm>
#include <com/sun/star/accessibility/AccessibleTableModelChange.hpp>
#include <com/sun/star/accessibility/AccessibleTableModelChangeType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <tools/multisel.hxx>
#include "brwimpl.hxx"
#define SCROLL_FLAGS (ScrollFlags::Clip | ScrollFlags::NoChildren)
using namespace com::sun::star::accessibility::AccessibleEventId;
using namespace com::sun::star::accessibility::AccessibleTableModelChangeType;
using com::sun::star::accessibility::AccessibleTableModelChange;
using namespace ::com::sun::star::uno;
using namespace svt;
namespace
{
void disposeAndClearHeaderCell(::svt::BrowseBoxImpl::THeaderCellMap& _rHeaderCell)
{
::std::for_each(
_rHeaderCell.begin(),
_rHeaderCell.end(),
::svt::BrowseBoxImpl::THeaderCellMapFunctorDispose()
);
_rHeaderCell.clear();
}
}
void BrowseBox::ConstructImpl( BrowserMode nMode )
{
SAL_INFO("svtools", "BrowseBox:ConstructImpl " << this );
bMultiSelection = false;
pColSel = nullptr;
pVScroll = nullptr;
pDataWin = VclPtr<BrowserDataWin>::Create( this ).get();
m_pImpl.reset( new ::svt::BrowseBoxImpl() );
InitSettings_Impl( this );
InitSettings_Impl( pDataWin );
bBootstrapped = false;
nDataRowHeight = 0;
nTitleLines = 1;
nFirstCol = 0;
nTopRow = 0;
nCurRow = BROWSER_ENDOFSELECTION;
nCurColId = 0;
bResizing = false;
bSelect = false;
bSelecting = false;
bScrolling = false;
bSelectionIsVisible = false;
bNotToggleSel = false;
bRowDividerDrag = false;
bHit = false;
mbInteractiveRowHeight = false;
bHideSelect = false;
bHideCursor = TRISTATE_FALSE;
nRowCount = 0;
m_bFocusOnlyCursor = true;
m_aCursorColor = COL_TRANSPARENT;
m_nCurrentMode = BrowserMode::NONE;
nControlAreaWidth = USHRT_MAX;
uRow.nSel = BROWSER_ENDOFSELECTION;
aHScroll->SetLineSize(1);
aHScroll->SetScrollHdl( LINK( this, BrowseBox, ScrollHdl ) );
pDataWin->Show();
SetMode( nMode );
bSelectionIsVisible = bKeepHighlight;
bHasFocus = HasChildPathFocus();
pDataWin->nCursorHidden =
( bHasFocus ? 0 : 1 ) + ( GetUpdateMode() ? 0 : 1 );
}
BrowseBox::BrowseBox( vcl::Window* pParent, WinBits nBits, BrowserMode nMode )
:Control( pParent, nBits | WB_3DLOOK )
,DragSourceHelper( this )
,DropTargetHelper( this )
,aHScroll( VclPtr<ScrollBar>::Create(this, WB_HSCROLL) )
,aStatusBar( VclPtr<StatusBar>::Create(this) )
{
ConstructImpl( nMode );
}
BrowseBox::~BrowseBox()
{
disposeOnce();
}
void BrowseBox::dispose()
{
SAL_INFO("svtools", "BrowseBox:dispose " << this );
if ( m_pImpl->m_pAccessible )
{
disposeAndClearHeaderCell(m_pImpl->m_aColHeaderCellMap);
disposeAndClearHeaderCell(m_pImpl->m_aRowHeaderCellMap);
m_pImpl->m_pAccessible->dispose();
}
Hide();
pDataWin->pHeaderBar.disposeAndClear();
pDataWin->pCornerWin.disposeAndClear();
pDataWin.disposeAndClear();
pVScroll.disposeAndClear();
aHScroll.disposeAndClear();
aStatusBar.disposeAndClear();
// free columns-space
mvCols.clear();
pColSel.reset();
if ( bMultiSelection )
delete uRow.pSel;
DragSourceHelper::dispose();
DropTargetHelper::dispose();
Control::dispose();
}
short BrowseBox::GetCursorHideCount() const
{
return pDataWin->nCursorHidden;
}
void BrowseBox::DoShowCursor( const char * )
{
if (!pDataWin)
return;
short nHiddenCount = --pDataWin->nCursorHidden;
if (PaintCursorIfHiddenOnce())
{
if (1 == nHiddenCount)
DrawCursor();
}
else
{
if (0 == nHiddenCount)
DrawCursor();
}
}
void BrowseBox::DoHideCursor( const char * )
{
short nHiddenCount = ++pDataWin->nCursorHidden;
if (PaintCursorIfHiddenOnce())
{
if (2 == nHiddenCount)
DrawCursor();
}
else
{
if (1 == nHiddenCount)
DrawCursor();
}
}
void BrowseBox::SetRealRowCount( const OUString &rRealRowCount )
{
pDataWin->aRealRowCount = rRealRowCount;
}
void BrowseBox::SetFont( const vcl::Font& rNewFont )
{
pDataWin->SetFont( rNewFont );
ImpGetDataRowHeight();
}
const vcl::Font& BrowseBox::GetFont() const
{
return pDataWin->GetFont();
}
sal_uLong BrowseBox::GetDefaultColumnWidth( const OUString& _rText ) const
{
return pDataWin->GetTextWidth( _rText ) + pDataWin->GetTextWidth(OUString('0')) * 4;
}
void BrowseBox::InsertHandleColumn( sal_uLong nWidth )
{
#if OSL_DEBUG_LEVEL > 0
OSL_ENSURE( ColCount() == 0 || mvCols[0]->GetId() != HandleColumnId , "BrowseBox::InsertHandleColumn: there is already a handle column" );
{
for (auto const & col : mvCols)
OSL_ENSURE( col->GetId() != HandleColumnId, "BrowseBox::InsertHandleColumn: there is a non-Handle column with handle ID" );
}
#endif
mvCols.insert( mvCols.begin(), std::unique_ptr<BrowserColumn>(new BrowserColumn( 0, OUString(), nWidth, GetZoom() )) );
FreezeColumn( 0 );
// adjust headerbar
if ( pDataWin->pHeaderBar )
{
pDataWin->pHeaderBar->SetPosSizePixel(
Point(nWidth, 0),
Size( GetOutputSizePixel().Width() - nWidth, GetTitleHeight() )
);
}
ColumnInserted( 0 );
}
void BrowseBox::InsertDataColumn( sal_uInt16 nItemId, const OUString& rText,
long nWidth, HeaderBarItemBits nBits, sal_uInt16 nPos )
{
OSL_ENSURE( nItemId != HandleColumnId, "BrowseBox::InsertDataColumn: nItemId is HandleColumnId" );
OSL_ENSURE( nItemId != BROWSER_INVALIDID, "BrowseBox::InsertDataColumn: nItemId is reserved value BROWSER_INVALIDID" );
#if OSL_DEBUG_LEVEL > 0
{
for (auto const& col : mvCols)
OSL_ENSURE( col->GetId() != nItemId, "BrowseBox::InsertDataColumn: duplicate column Id" );
}
#endif
if ( nPos < mvCols.size() )
{
mvCols.emplace( mvCols.begin() + nPos, new BrowserColumn( nItemId, rText, nWidth, GetZoom() ) );
}
else
{
mvCols.emplace_back( new BrowserColumn( nItemId, rText, nWidth, GetZoom() ) );
}
if ( nCurColId == 0 )
nCurColId = nItemId;
if ( pDataWin->pHeaderBar )
{
// Handle column not in the header bar
sal_uInt16 nHeaderPos = nPos;
if (nHeaderPos != HEADERBAR_APPEND && GetColumnId(0) == HandleColumnId )
nHeaderPos--;
pDataWin->pHeaderBar->InsertItem(
nItemId, rText, nWidth, nBits, nHeaderPos );
}
ColumnInserted( nPos );
}
sal_uInt16 BrowseBox::ToggleSelectedColumn()
{
sal_uInt16 nSelectedColId = BROWSER_INVALIDID;
if ( pColSel && pColSel->GetSelectCount() )
{
DoHideCursor( "ToggleSelectedColumn" );
ToggleSelection();
long nSelected = pColSel->FirstSelected();
if (nSelected != static_cast<long>(SFX_ENDOFSELECTION))
nSelectedColId = mvCols[nSelected]->GetId();
pColSel->SelectAll(false);
}
return nSelectedColId;
}
void BrowseBox::SetToggledSelectedColumn(sal_uInt16 _nSelectedColumnId)
{
if ( pColSel && _nSelectedColumnId != BROWSER_INVALIDID )
{
pColSel->Select( GetColumnPos( _nSelectedColumnId ) );
ToggleSelection();
SAL_INFO("svtools", "BrowseBox::SetToggledSelectedColumn " << this );
DoShowCursor( "SetToggledSelectedColumn" );
}
}
void BrowseBox::FreezeColumn( sal_uInt16 nItemId )
{
// get the position in the current array
size_t nItemPos = GetColumnPos( nItemId );
if ( nItemPos >= mvCols.size() )
// not available!
return;
// doesn't the state change?
if ( mvCols[ nItemPos ]->IsFrozen() )
return;
// remark the column selection
sal_uInt16 nSelectedColId = ToggleSelectedColumn();
// to be moved?
if ( nItemPos != 0 && !mvCols[ nItemPos-1 ]->IsFrozen() )
{
// move to the right of the last frozen column
sal_uInt16 nFirstScrollable = FrozenColCount();
std::unique_ptr<BrowserColumn> pColumn = std::move(mvCols[ nItemPos ]);
mvCols.erase( mvCols.begin() + nItemPos );
nItemPos = nFirstScrollable;
mvCols.insert( mvCols.begin() + nItemPos, std::move(pColumn) );
}
// adjust the number of the first scrollable and visible column
if ( nFirstCol <= nItemPos )
nFirstCol = nItemPos + 1;
// toggle the freeze-state of the column
mvCols[ nItemPos ]->Freeze();
// align the scrollbar-range
UpdateScrollbars();
// repaint
Control::Invalidate();
pDataWin->Invalidate();
// remember the column selection
SetToggledSelectedColumn(nSelectedColId);
}
void BrowseBox::SetColumnPos( sal_uInt16 nColumnId, sal_uInt16 nPos )
{
// never set pos of the handle column
if ( nColumnId == HandleColumnId )
return;
// get the position in the current array
sal_uInt16 nOldPos = GetColumnPos( nColumnId );
if ( nOldPos >= mvCols.size() )
// not available!
return;
// does the state change?
if (nOldPos == nPos)
return;
// remark the column selection
sal_uInt16 nSelectedColId = ToggleSelectedColumn();
// determine old column area
Size aDataWinSize( pDataWin->GetSizePixel() );
if ( pDataWin->pHeaderBar )
aDataWinSize.AdjustHeight(pDataWin->pHeaderBar->GetSizePixel().Height() );
tools::Rectangle aFromRect( GetFieldRect( nColumnId) );
aFromRect.AdjustRight(2*MIN_COLUMNWIDTH );
sal_uInt16 nNextPos = nOldPos + 1;
if ( nOldPos > nPos )
nNextPos = nOldPos - 1;
BrowserColumn *pNextCol = mvCols[ nNextPos ].get();
tools::Rectangle aNextRect(GetFieldRect( pNextCol->GetId() ));
// move column internally
{
std::unique_ptr<BrowserColumn> pTemp = std::move(mvCols[nOldPos]);
mvCols.erase( mvCols.begin() + nOldPos );
mvCols.insert( mvCols.begin() + nPos, std::move(pTemp) );
}
// determine new column area
tools::Rectangle aToRect( GetFieldRect( nColumnId ) );
aToRect.AdjustRight(2*MIN_COLUMNWIDTH );
// do scroll, let redraw
if( pDataWin->GetBackground().IsScrollable() )
{
long nScroll = -aFromRect.GetWidth();
tools::Rectangle aScrollArea;
if ( nOldPos > nPos )
{
long nFrozenWidth = GetFrozenWidth();
if ( aToRect.Left() < nFrozenWidth )
aToRect.SetLeft( nFrozenWidth );
aScrollArea = tools::Rectangle(Point(aToRect.Left(),0),
Point(aNextRect.Right(),aDataWinSize.Height()));
nScroll *= -1; // reverse direction
}
else
aScrollArea = tools::Rectangle(Point(aNextRect.Left(),0),
Point(aToRect.Right(),aDataWinSize.Height()));
pDataWin->Scroll( nScroll, 0, aScrollArea );
aToRect.SetTop( 0 );
aToRect.SetBottom( aScrollArea.Bottom() );
Invalidate( aToRect );
}
else
pDataWin->Window::Invalidate( InvalidateFlags::NoChildren );
// adjust header bar positions
if ( pDataWin->pHeaderBar )
{
sal_uInt16 nNewPos = nPos;
if ( GetColumnId(0) == HandleColumnId )
--nNewPos;
pDataWin->pHeaderBar->MoveItem(nColumnId,nNewPos);
}
// remember the column selection
SetToggledSelectedColumn(nSelectedColId);
if ( !isAccessibleAlive() )
return;
commitTableEvent(
TABLE_MODEL_CHANGED,
makeAny( AccessibleTableModelChange(
DELETE,
0,
GetRowCount(),
nOldPos,
nOldPos
)
),
Any()
);
commitTableEvent(
TABLE_MODEL_CHANGED,
makeAny( AccessibleTableModelChange(
INSERT,
0,
GetRowCount(),
nPos,
nPos
)
),
Any()
);
}
void BrowseBox::SetColumnTitle( sal_uInt16 nItemId, const OUString& rTitle )
{
// never set title of the handle-column
if ( nItemId == HandleColumnId )
return;
// get the position in the current array
sal_uInt16 nItemPos = GetColumnPos( nItemId );
if ( nItemPos >= mvCols.size() )
// not available!
return;
// does the state change?
BrowserColumn *pCol = mvCols[ nItemPos ].get();
if ( pCol->Title() == rTitle )
return;
OUString sOld(pCol->Title());
pCol->Title() = rTitle;
// adjust headerbar column
if ( pDataWin->pHeaderBar )
pDataWin->pHeaderBar->SetItemText( nItemId, rTitle );
else
{
// redraw visible columns
if ( GetUpdateMode() && ( pCol->IsFrozen() || nItemPos > nFirstCol ) )
Invalidate( tools::Rectangle( Point(0,0),
Size( GetOutputSizePixel().Width(), GetTitleHeight() ) ) );
}
if ( isAccessibleAlive() )
{
commitTableEvent( TABLE_COLUMN_DESCRIPTION_CHANGED,
makeAny( rTitle ),
makeAny( sOld )
);
}
}
void BrowseBox::SetColumnWidth( sal_uInt16 nItemId, sal_uLong nWidth )
{
// get the position in the current array
size_t nItemPos = GetColumnPos( nItemId );
if ( nItemPos >= mvCols.size() )
return;
// does the state change?
if ( !(nWidth >= LONG_MAX || mvCols[ nItemPos ]->Width() != nWidth) )
return;
long nOldWidth = mvCols[ nItemPos ]->Width();
// adjust last column, if necessary
if ( IsVisible() && nItemPos == mvCols.size() - 1 )
{
long nMaxWidth = pDataWin->GetSizePixel().Width();
nMaxWidth -= pDataWin->bAutoSizeLastCol
? GetFieldRect(nItemId).Left()
: GetFrozenWidth();
if ( pDataWin->bAutoSizeLastCol || nWidth > o3tl::make_unsigned(nMaxWidth) )
{
nWidth = nMaxWidth > 16 ? nMaxWidth : nOldWidth;
}
}
// OV
// In AutoSizeLastColumn(), we call SetColumnWidth with nWidth==0xffff.
// Thus, check here, if the width has actually changed.
if( static_cast<sal_uLong>(nOldWidth) == nWidth )
return;
// do we want to display the change immediately?
bool bUpdate = GetUpdateMode() &&
( mvCols[ nItemPos ]->IsFrozen() || nItemPos >= nFirstCol );
if ( bUpdate )
{
// Selection hidden
DoHideCursor( "SetColumnWidth" );
ToggleSelection();
//!pDataWin->Update();
//!Control::Update();
}
// set width
mvCols[ nItemPos ]->SetWidth(nWidth, GetZoom());
// scroll and invalidate
if ( bUpdate )
{
// get X-Pos of the column changed
long nX = 0;
for ( size_t nCol = 0; nCol < nItemPos; ++nCol )
{
BrowserColumn *pCol = mvCols[ nCol ].get();
if ( pCol->IsFrozen() || nCol >= nFirstCol )
nX += pCol->Width();
}
// actually scroll+invalidate
pDataWin->SetClipRegion();
bool bSelVis = bSelectionIsVisible;
bSelectionIsVisible = false;
if( GetBackground().IsScrollable() )
{
tools::Rectangle aScrRect( nX + std::min( static_cast<sal_uLong>(nOldWidth), nWidth ), 0,
GetSizePixel().Width() , // the header is longer than the datawin
pDataWin->GetPosPixel().Y() - 1 );
Control::Scroll( nWidth-nOldWidth, 0, aScrRect, SCROLL_FLAGS );
aScrRect.SetBottom( pDataWin->GetSizePixel().Height() );
pDataWin->Scroll( nWidth-nOldWidth, 0, aScrRect, SCROLL_FLAGS );
tools::Rectangle aInvRect( nX, 0, nX + std::max( nWidth, static_cast<sal_uLong>(nOldWidth) ), USHRT_MAX );
Control::Invalidate( aInvRect, InvalidateFlags::NoChildren );
pDataWin->Invalidate( aInvRect );
}
else
{
Control::Invalidate( InvalidateFlags::NoChildren );
pDataWin->Window::Invalidate( InvalidateFlags::NoChildren );
}
//!pDataWin->Update();
//!Control::Update();
bSelectionIsVisible = bSelVis;
ToggleSelection();
DoShowCursor( "SetColumnWidth" );
}
UpdateScrollbars();
// adjust headerbar column
if ( pDataWin->pHeaderBar )
pDataWin->pHeaderBar->SetItemSize(
nItemId ? nItemId : USHRT_MAX - 1, nWidth );
// adjust last column
if ( nItemPos != mvCols.size() - 1 )
AutoSizeLastColumn();
}
void BrowseBox::AutoSizeLastColumn()
{
if ( pDataWin->bAutoSizeLastCol &&
pDataWin->GetUpdateMode() )
{
sal_uInt16 nId = GetColumnId( static_cast<sal_uInt16>(mvCols.size()) - 1 );
SetColumnWidth( nId, LONG_MAX );
ColumnResized( nId );
}
}
void BrowseBox::RemoveColumn( sal_uInt16 nItemId )
{
// get column position
sal_uInt16 nPos = GetColumnPos(nItemId);
if ( nPos >= ColCount() )
// not available
return;
// correct column selection
if ( pColSel )
pColSel->Remove( nPos );
// correct column cursor
if ( nCurColId == nItemId )
nCurColId = 0;
// delete column
mvCols.erase( mvCols.begin() + nPos );
if ( nFirstCol >= nPos && nFirstCol > FrozenColCount() )
{
OSL_ENSURE(nFirstCol > 0,"FirstCol must be greater zero!");
--nFirstCol;
}
// handlecolumn not in headerbar
if (nItemId)
{
if ( pDataWin->pHeaderBar )
pDataWin->pHeaderBar->RemoveItem( nItemId );
}
else
{
// adjust headerbar
if ( pDataWin->pHeaderBar )
{
pDataWin->pHeaderBar->SetPosSizePixel(
Point(0, 0),
Size( GetOutputSizePixel().Width(), GetTitleHeight() )
);
}
}
// correct vertical scrollbar
UpdateScrollbars();
// trigger repaint, if necessary
if ( GetUpdateMode() )
{
pDataWin->Invalidate();
Control::Invalidate();
if ( pDataWin->bAutoSizeLastCol && nPos ==ColCount() )
SetColumnWidth( GetColumnId( nPos - 1 ), LONG_MAX );
}
if ( !isAccessibleAlive() )
return;
commitTableEvent(
TABLE_MODEL_CHANGED,
makeAny( AccessibleTableModelChange( DELETE,
0,
GetRowCount(),
nPos,
nPos
)
),
Any()
);
commitHeaderBarEvent(
CHILD,
Any(),
makeAny( CreateAccessibleColumnHeader( nPos ) ),
true
);
}
void BrowseBox::RemoveColumns()
{
size_t nOldCount = mvCols.size();
// remove all columns
mvCols.clear();
// correct column selection
if ( pColSel )
{
pColSel->SelectAll(false);
pColSel->SetTotalRange( Range( 0, 0 ) );
}
// correct column cursor
nCurColId = 0;
nFirstCol = 0;
if ( pDataWin->pHeaderBar )
pDataWin->pHeaderBar->Clear( );
// correct vertical scrollbar
UpdateScrollbars();
// trigger repaint if necessary
if ( GetUpdateMode() )
{
pDataWin->Invalidate();
Control::Invalidate();
}
if ( !isAccessibleAlive() )
return;
if ( mvCols.size() == nOldCount )
return;
// all columns should be removed, so we remove the column header bar and append it again
// to avoid to notify every column remove
commitBrowseBoxEvent(
CHILD,
Any(),
makeAny(m_pImpl->getAccessibleHeaderBar(vcl::BBTYPE_COLUMNHEADERBAR))
);
// and now append it again
commitBrowseBoxEvent(
CHILD,
makeAny(m_pImpl->getAccessibleHeaderBar(vcl::BBTYPE_COLUMNHEADERBAR)),
Any()
);
// notify a table model change
commitTableEvent(
TABLE_MODEL_CHANGED,
makeAny ( AccessibleTableModelChange( DELETE,
0,
GetRowCount(),
0,
nOldCount
)
),
Any()
);
}
OUString BrowseBox::GetColumnTitle( sal_uInt16 nId ) const
{
sal_uInt16 nItemPos = GetColumnPos( nId );
if ( nItemPos >= mvCols.size() )
return OUString();
return mvCols[ nItemPos ]->Title();
}
long BrowseBox::GetRowCount() const
{
return nRowCount;
}
sal_uInt16 BrowseBox::ColCount() const
{
return static_cast<sal_uInt16>(mvCols.size());
}
long BrowseBox::ImpGetDataRowHeight() const
{
BrowseBox *pThis = const_cast<BrowseBox*>(this);
pThis->nDataRowHeight = pThis->CalcReverseZoom(pDataWin->GetTextHeight() + 2);
pThis->Resize();
pDataWin->Invalidate();
return nDataRowHeight;
}
void BrowseBox::SetDataRowHeight( long nPixel )
{
nDataRowHeight = CalcReverseZoom(nPixel);
Resize();
pDataWin->Invalidate();
}
void BrowseBox::SetTitleLines( sal_uInt16 nLines )
{
nTitleLines = nLines;
}
long BrowseBox::ScrollColumns( long nCols )
{
if ( nFirstCol + nCols < 0 ||
nFirstCol + nCols >= static_cast<long>(mvCols.size()) )
return 0;
// implicitly hides cursor while scrolling
StartScroll();
bScrolling = true;
bool bScrollable = pDataWin->GetBackground().IsScrollable();
bool bInvalidateView = false;
// scrolling one column to the right?
if ( nCols == 1 )
{
// update internal value and scrollbar
++nFirstCol;
aHScroll->SetThumbPos( nFirstCol - FrozenColCount() );
if ( !bScrollable )
{
bInvalidateView = true;
}
else
{
long nDelta = mvCols[ nFirstCol-1 ]->Width();
long nFrozenWidth = GetFrozenWidth();
tools::Rectangle aScrollRect( Point( nFrozenWidth + nDelta, 0 ),
Size ( GetOutputSizePixel().Width() - nFrozenWidth - nDelta,
GetTitleHeight() - 1
) );
// scroll the header bar area (if there is no dedicated HeaderBar control)
if ( !pDataWin->pHeaderBar && nTitleLines )
{
// actually scroll
Scroll( -nDelta, 0, aScrollRect, SCROLL_FLAGS );
// invalidate the area of the column which was scrolled out to the left hand side
tools::Rectangle aInvalidateRect( aScrollRect );
aInvalidateRect.SetLeft( nFrozenWidth );
aInvalidateRect.SetRight( nFrozenWidth + nDelta - 1 );
Invalidate( aInvalidateRect );
}
// scroll the data-area
aScrollRect.SetBottom( pDataWin->GetOutputSizePixel().Height() );
// actually scroll
pDataWin->Scroll( -nDelta, 0, aScrollRect, SCROLL_FLAGS );
// invalidate the area of the column which was scrolled out to the left hand side
aScrollRect.SetLeft( nFrozenWidth );
aScrollRect.SetRight( nFrozenWidth + nDelta - 1 );
pDataWin->Invalidate( aScrollRect );
}
}
// scrolling one column to the left?
else if ( nCols == -1 )
{
--nFirstCol;
aHScroll->SetThumbPos( nFirstCol - FrozenColCount() );
if ( !bScrollable )
{
bInvalidateView = true;
}
else
{
long nDelta = mvCols[ nFirstCol ]->Width();
long nFrozenWidth = GetFrozenWidth();
tools::Rectangle aScrollRect( Point( nFrozenWidth, 0 ),
Size ( GetOutputSizePixel().Width() - nFrozenWidth,
GetTitleHeight() - 1
) );
// scroll the header bar area (if there is no dedicated HeaderBar control)
if ( !pDataWin->pHeaderBar && nTitleLines )
{
Scroll( nDelta, 0, aScrollRect, SCROLL_FLAGS );
}
// scroll the data-area
aScrollRect.SetBottom( pDataWin->GetOutputSizePixel().Height() );
pDataWin->Scroll( nDelta, 0, aScrollRect, SCROLL_FLAGS );
}
}
else
{
if ( GetUpdateMode() )
{
Invalidate( tools::Rectangle(
Point( GetFrozenWidth(), 0 ),
Size( GetOutputSizePixel().Width(), GetTitleHeight() ) ) );
pDataWin->Invalidate( tools::Rectangle(
Point( GetFrozenWidth(), 0 ),
pDataWin->GetSizePixel() ) );
}
nFirstCol = nFirstCol + static_cast<sal_uInt16>(nCols);
aHScroll->SetThumbPos( nFirstCol - FrozenColCount() );
}
// adjust external headerbar, if necessary
if ( pDataWin->pHeaderBar )
{
long nWidth = 0;
for ( size_t nCol = 0;
nCol < mvCols.size() && nCol < nFirstCol;
++nCol )
{
// not the handle column
if ( mvCols[ nCol ]->GetId() )
nWidth += mvCols[ nCol ]->Width();
}
pDataWin->pHeaderBar->SetOffset( nWidth );
}
if( bInvalidateView )
{
Control::Invalidate( InvalidateFlags::NoChildren );
pDataWin->Window::Invalidate( InvalidateFlags::NoChildren );
}
// implicitly show cursor after scrolling
if ( nCols )
{
pDataWin->Update();
Update();
}
bScrolling = false;
EndScroll();
return nCols;
}
long BrowseBox::ScrollRows( long nRows )
{
// compute new top row
long nTmpMin = std::min( static_cast<long>(nTopRow + nRows), static_cast<long>(nRowCount - 1) );
long nNewTopRow = std::max<long>( nTmpMin, 0 );
if ( nNewTopRow == nTopRow )
return 0;
sal_uInt16 nVisibleRows =
static_cast<sal_uInt16>(pDataWin->GetOutputSizePixel().Height() / GetDataRowHeight() + 1);
VisibleRowsChanged(nNewTopRow, nVisibleRows);
// compute new top row again (nTopRow might have changed!)
nTmpMin = std::min( static_cast<long>(nTopRow + nRows), static_cast<long>(nRowCount - 1) );
nNewTopRow = std::max<long>( nTmpMin, 0 );
StartScroll();
// scroll area on screen and/or repaint
long nDeltaY = GetDataRowHeight() * ( nNewTopRow - nTopRow );
long nOldTopRow = nTopRow;
nTopRow = nNewTopRow;
if ( GetUpdateMode() )
{
pVScroll->SetRange( Range( 0L, nRowCount ) );
pVScroll->SetThumbPos( nTopRow );
if( pDataWin->GetBackground().IsScrollable() &&
std::abs( nDeltaY ) > 0 &&
std::abs( nDeltaY ) < pDataWin->GetSizePixel().Height() )
{
pDataWin->Scroll( 0, static_cast<short>(-nDeltaY), SCROLL_FLAGS );
}
else
pDataWin->Invalidate();
if ( nTopRow - nOldTopRow )
pDataWin->Update();
}
EndScroll();
return nTopRow - nOldTopRow;
}
void BrowseBox::RowModified( long nRow, sal_uInt16 nColId )
{
if ( !GetUpdateMode() )
return;
tools::Rectangle aRect;
if ( nColId == BROWSER_INVALIDID )
// invalidate the whole row
aRect = tools::Rectangle( Point( 0, (nRow-nTopRow) * GetDataRowHeight() ),
Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) );
else
{
// invalidate the specific field
aRect = GetFieldRectPixel( nRow, nColId, false );
}
pDataWin->Invalidate( aRect );
}
void BrowseBox::Clear()
{
// adjust the total number of rows
DoHideCursor( "Clear" );
long nOldRowCount = nRowCount;
nRowCount = 0;
if(bMultiSelection)
{
assert(uRow.pSel);
uRow.pSel->Reset();
}
else
uRow.nSel = BROWSER_ENDOFSELECTION;
nCurRow = BROWSER_ENDOFSELECTION;
nTopRow = 0;
nCurColId = 0;
// nFirstCol may not be reset, else the scrolling code will become confused.
// nFirstCol may only be changed when adding or deleting columns
// nFirstCol = 0; -> wrong!
aHScroll->SetThumbPos( 0 );
pVScroll->SetThumbPos( 0 );
Invalidate();
UpdateScrollbars();
SetNoSelection();
DoShowCursor( "Clear" );
CursorMoved();
if ( !isAccessibleAlive() )
return;
// all rows should be removed, so we remove the row header bar and append it again
// to avoid to notify every row remove
if ( nOldRowCount == nRowCount )
return;
commitBrowseBoxEvent(
CHILD,
Any(),
makeAny( m_pImpl->getAccessibleHeaderBar( vcl::BBTYPE_ROWHEADERBAR ) )
);
// and now append it again
commitBrowseBoxEvent(
CHILD,
makeAny( m_pImpl->getAccessibleHeaderBar( vcl::BBTYPE_ROWHEADERBAR ) ),
Any()
);
// notify a table model change
commitTableEvent(
TABLE_MODEL_CHANGED,
makeAny( AccessibleTableModelChange( DELETE,
0,
nOldRowCount,
0,
GetColumnCount())
),
Any()
);
}
void BrowseBox::RowInserted( long nRow, long nNumRows, bool bDoPaint, bool bKeepSelection )
{
if (nRow < 0)
nRow = 0;
else if (nRow > nRowCount) // maximal = nRowCount
nRow = nRowCount;
if ( nNumRows <= 0 )
return;
// adjust total row count
bool bLastRow = nRow >= nRowCount;
nRowCount += nNumRows;
DoHideCursor( "RowInserted" );
// must we paint the new rows?
long nOldCurRow = nCurRow;
Size aSz = pDataWin->GetOutputSizePixel();
if ( bDoPaint && nRow >= nTopRow &&
nRow <= nTopRow + aSz.Height() / GetDataRowHeight() )
{
long nY = (nRow-nTopRow) * GetDataRowHeight();
if ( !bLastRow )
{
// scroll down the rows behind the new row
pDataWin->SetClipRegion();
if( pDataWin->GetBackground().IsScrollable() )
{
pDataWin->Scroll( 0, GetDataRowHeight() * nNumRows,
tools::Rectangle( Point( 0, nY ),
Size( aSz.Width(), aSz.Height() - nY ) ),
SCROLL_FLAGS );
}
else
pDataWin->Window::Invalidate( InvalidateFlags::NoChildren );
}
else
// scroll would cause a repaint, so we must explicitly invalidate
pDataWin->Invalidate( tools::Rectangle( Point( 0, nY ),
Size( aSz.Width(), nNumRows * GetDataRowHeight() ) ) );
}
// correct top row if necessary
if ( nRow < nTopRow )
nTopRow += nNumRows;
// adjust the selection
if ( bMultiSelection )
uRow.pSel->Insert( nRow, nNumRows );
else if ( uRow.nSel != BROWSER_ENDOFSELECTION && nRow <= uRow.nSel )
uRow.nSel += nNumRows;
// adjust the cursor
if ( nCurRow == BROWSER_ENDOFSELECTION )
GoToRow( 0, false, bKeepSelection );
else if ( nRow <= nCurRow )
{
nCurRow += nNumRows;
GoToRow( nCurRow, false, bKeepSelection );
}
// adjust the vertical scrollbar
if ( bDoPaint )
{
UpdateScrollbars();
AutoSizeLastColumn();
}
DoShowCursor( "RowInserted" );
// notify accessible that rows were inserted
if ( isAccessibleAlive() )
{
commitTableEvent(
TABLE_MODEL_CHANGED,
makeAny( AccessibleTableModelChange(
INSERT,
nRow,
nRow + nNumRows,
0,
GetColumnCount()
)
),
Any()
);
for (long i = nRow+1 ; i <= nRowCount ; ++i)
{
commitHeaderBarEvent(
CHILD,
makeAny( CreateAccessibleRowHeader( i ) ),
Any(),
false
);
}
}
if ( nCurRow != nOldCurRow )
CursorMoved();
DBG_ASSERT(nRowCount > 0,"BrowseBox: nRowCount <= 0");
DBG_ASSERT(nCurRow >= 0,"BrowseBox: nCurRow < 0");
DBG_ASSERT(nCurRow < nRowCount,"nCurRow >= nRowCount");
}
void BrowseBox::RowRemoved( long nRow, long nNumRows, bool bDoPaint )
{
if ( nRow < 0 )
nRow = 0;
else if ( nRow >= nRowCount )
nRow = nRowCount - 1;
if ( nNumRows <= 0 )
return;
if ( nRowCount <= 0 )
return;
if ( bDoPaint )
{
// hide cursor and selection
SAL_INFO("svtools", "BrowseBox::HideCursor " << this );
ToggleSelection();
DoHideCursor( "RowRemoved" );
}
// adjust total row count
nRowCount -= nNumRows;
if (nRowCount < 0) nRowCount = 0;
long nOldCurRow = nCurRow;
// adjust the selection
if ( bMultiSelection )
// uRow.pSel->Remove( nRow, nNumRows );
for ( long i = 0; i < nNumRows; i++ )
uRow.pSel->Remove( nRow );
else if ( nRow < uRow.nSel && uRow.nSel >= nNumRows )
uRow.nSel -= nNumRows;
else if ( nRow <= uRow.nSel )
uRow.nSel = BROWSER_ENDOFSELECTION;
// adjust the cursor
if ( nRowCount == 0 ) // don't compare nRowCount with nNumRows as nNumRows already was subtracted from nRowCount
nCurRow = BROWSER_ENDOFSELECTION;
else if ( nRow < nCurRow )
{
nCurRow -= std::min( nCurRow - nRow, nNumRows );
// with the above nCurRow points a) to the first row after the removed block or b) to the same line
// as before, but moved up nNumRows
// case a) needs an additional correction if the last n lines were deleted, as 'the first row after the
// removed block' is an invalid position then
// FS - 09/28/99 - 68429
if (nCurRow == nRowCount)
--nCurRow;
}
else if( nRow == nCurRow && nCurRow == nRowCount )
nCurRow = nRowCount-1;
// is the deleted row visible?
Size aSz = pDataWin->GetOutputSizePixel();
if ( nRow >= nTopRow &&
nRow <= nTopRow + aSz.Height() / GetDataRowHeight() )
{
if ( bDoPaint )
{
// scroll up the rows behind the deleted row
// if there are Rows behind
if (nRow < nRowCount)
{
long nY = (nRow-nTopRow) * GetDataRowHeight();
pDataWin->SetClipRegion();
if( pDataWin->GetBackground().IsScrollable() )
{
pDataWin->Scroll( 0, - static_cast<short>(GetDataRowHeight()) * nNumRows,
tools::Rectangle( Point( 0, nY ), Size( aSz.Width(),
aSz.Height() - nY + nNumRows*GetDataRowHeight() ) ),
SCROLL_FLAGS );
}
else
pDataWin->Window::Invalidate( InvalidateFlags::NoChildren );
}
else
{
// Repaint the Rect of the deleted row
tools::Rectangle aRect(
Point( 0, (nRow-nTopRow)*GetDataRowHeight() ),
Size( pDataWin->GetSizePixel().Width(),
nNumRows * GetDataRowHeight() ) );
pDataWin->Invalidate( aRect );
}
}
}
// is the deleted row above of the visible area?
else if ( nRow < nTopRow )
nTopRow = nTopRow >= nNumRows ? nTopRow-nNumRows : 0;
if ( bDoPaint )
{
// reshow cursor and selection
ToggleSelection();
SAL_INFO("svtools", "BrowseBox::ShowCursor " << this );
DoShowCursor( "RowRemoved" );
// adjust the vertical scrollbar
UpdateScrollbars();
AutoSizeLastColumn();
}
if ( isAccessibleAlive() )
{
if ( nRowCount == 0 )
{
// all columns should be removed, so we remove the column header bar and append it again
// to avoid to notify every column remove
commitBrowseBoxEvent(
CHILD,
Any(),
makeAny( m_pImpl->getAccessibleHeaderBar( vcl::BBTYPE_ROWHEADERBAR ) )
);
// and now append it again
commitBrowseBoxEvent(
CHILD,
makeAny(m_pImpl->getAccessibleHeaderBar(vcl::BBTYPE_ROWHEADERBAR)),
Any()
);
commitBrowseBoxEvent(
CHILD,
Any(),
makeAny( m_pImpl->getAccessibleTable() )
);
// and now append it again
commitBrowseBoxEvent(
CHILD,
makeAny( m_pImpl->getAccessibleTable() ),
Any()
);
}
else
{
commitTableEvent(
TABLE_MODEL_CHANGED,
makeAny( AccessibleTableModelChange(
DELETE,
nRow,
nRow + nNumRows,
0,
GetColumnCount()
)
),
Any()
);
for (long i = nRow+1 ; i <= (nRow+nNumRows) ; ++i)
{
commitHeaderBarEvent(
CHILD,
Any(),
makeAny( CreateAccessibleRowHeader( i ) ),
false
);
}
}
}
if ( nOldCurRow != nCurRow )
CursorMoved();
DBG_ASSERT(nRowCount >= 0,"BrowseBox: nRowCount < 0");
DBG_ASSERT(nCurRow >= 0 || nRowCount == 0,"BrowseBox: nCurRow < 0 && nRowCount != 0");
DBG_ASSERT(nCurRow < nRowCount,"nCurRow >= nRowCount");
}
bool BrowseBox::GoToRow( long nRow)
{
return GoToRow(nRow, false);
}
bool BrowseBox::GoToRow( long nRow, bool bRowColMove, bool bKeepSelection )
{
long nOldCurRow = nCurRow;
// nothing to do?
if ( nRow == nCurRow && ( bMultiSelection || uRow.nSel == nRow ) )
return true;
// out of range?
if ( nRow < 0 || nRow >= nRowCount )
return false;
// not allowed?
if ( !bRowColMove && !IsCursorMoveAllowed( nRow, nCurColId ) )
return false;
// compute the last visible row
Size aSz( pDataWin->GetSizePixel() );
sal_uInt16 nVisibleRows = sal_uInt16( aSz.Height() / GetDataRowHeight() - 1 );
long nLastRow = nTopRow + nVisibleRows;
// suspend Updates
pDataWin->EnterUpdateLock();
// remove old highlight, if necessary
if ( !bMultiSelection && !bKeepSelection )
ToggleSelection();
DoHideCursor( "GoToRow" );
// must we scroll?
bool bWasVisible = bSelectionIsVisible;
if (! bMultiSelection)
{
if( !bKeepSelection )
bSelectionIsVisible = false;
}
if ( nRow < nTopRow )
ScrollRows( nRow - nTopRow );
else if ( nRow > nLastRow )
ScrollRows( nRow - nLastRow );
bSelectionIsVisible = bWasVisible;
// adjust cursor (selection) and thumb
if ( GetUpdateMode() )
pVScroll->SetThumbPos( nTopRow );
// relative positioning (because nCurRow might have changed in the meantime)!
if (nCurRow != BROWSER_ENDOFSELECTION )
nCurRow = nCurRow + (nRow - nOldCurRow);
// make sure that the current position is valid
if (nCurRow == BROWSER_ENDOFSELECTION && nRowCount > 0)
nCurRow = 0;
else if ( nCurRow >= nRowCount )
nCurRow = nRowCount - 1;
aSelRange = Range( nCurRow, nCurRow );
// display new highlight if necessary
if ( !bMultiSelection && !bKeepSelection )
uRow.nSel = nRow;
// resume Updates
pDataWin->LeaveUpdateLock();
// Cursor+Highlight
if ( !bMultiSelection && !bKeepSelection)
ToggleSelection();
DoShowCursor( "GoToRow" );
if ( !bRowColMove && nOldCurRow != nCurRow )
CursorMoved();
if ( !bMultiSelection && !bKeepSelection )
{
if ( !bSelecting )
Select();
else
bSelect = true;
}
return true;
}
bool BrowseBox::GoToColumnId( sal_uInt16 nColId)
{
return GoToColumnId(nColId, true);
}
bool BrowseBox::GoToColumnId( sal_uInt16 nColId, bool bMakeVisible, bool bRowColMove)
{
if (!bColumnCursor)
return false;
// allowed?
if (!bRowColMove && !IsCursorMoveAllowed( nCurRow, nColId ) )
return false;
if ( nColId != nCurColId || (bMakeVisible && !IsFieldVisible(nCurRow, nColId, true)))
{
sal_uInt16 nNewPos = GetColumnPos(nColId);
BrowserColumn* pColumn = (nNewPos < mvCols.size()) ? mvCols[ nNewPos ].get() : nullptr;
DBG_ASSERT( pColumn, "no column object - invalid id?" );
if ( !pColumn )
return false;
DoHideCursor( "GoToColumnId" );
nCurColId = nColId;
bool bScrolled = false;
sal_uInt16 nFirstPos = nFirstCol;
sal_uInt16 nWidth = static_cast<sal_uInt16>(pColumn->Width());
sal_uInt16 nLastPos = GetColumnAtXPosPixel(
pDataWin->GetSizePixel().Width()-nWidth );
sal_uInt16 nFrozen = FrozenColCount();
if ( bMakeVisible && nLastPos &&
nNewPos >= nFrozen && ( nNewPos < nFirstPos || nNewPos > nLastPos ) )
{
if ( nNewPos < nFirstPos )
ScrollColumns( nNewPos-nFirstPos );
else if ( nNewPos > nLastPos )
ScrollColumns( nNewPos-nLastPos );
bScrolled = true;
}
DoShowCursor( "GoToColumnId" );
if (!bRowColMove)
{
//try to move to nCurRow, nColId
CursorMoveAttempt aAttempt(nCurRow, nColId, bScrolled);
//Detect if we are already in a call to BrowseBox::GoToColumnId
//but the attempt is impossible and we are simply recursing
//into BrowseBox::GoToColumnId with the same impossible to
//fulfill conditions
if (m_aGotoStack.empty() || aAttempt != m_aGotoStack.top())
{
m_aGotoStack.push(aAttempt);
CursorMoved();
m_aGotoStack.pop();
}
}
return true;
}
return true;
}
bool BrowseBox::GoToRowColumnId( long nRow, sal_uInt16 nColId )
{
// out of range?
if ( nRow < 0 || nRow >= nRowCount )
return false;
if (!bColumnCursor)
return false;
// nothing to do ?
if ( nRow == nCurRow && ( bMultiSelection || uRow.nSel == nRow ) &&
nColId == nCurColId && IsFieldVisible(nCurRow, nColId, true))
return true;
// allowed?
if (!IsCursorMoveAllowed(nRow, nColId))
return false;
DoHideCursor( "GoToRowColumnId" );
bool bMoved = GoToRow(nRow, true) && GoToColumnId(nColId, true, true);
DoShowCursor( "GoToRowColumnId" );
if (bMoved)
CursorMoved();
return bMoved;
}
void BrowseBox::SetNoSelection()
{
// is there no selection
if ( ( !pColSel || !pColSel->GetSelectCount() ) &&
( ( !bMultiSelection && uRow.nSel == BROWSER_ENDOFSELECTION ) ||
( bMultiSelection && !uRow.pSel->GetSelectCount() ) ) )
// nothing to do
return;
SAL_INFO("svtools", "BrowseBox::HideCursor " << this );
ToggleSelection();
// unselect all
if ( bMultiSelection )
uRow.pSel->SelectAll(false);
else
uRow.nSel = BROWSER_ENDOFSELECTION;
if ( pColSel )
pColSel->SelectAll(false);
if ( !bSelecting )
Select();
else
bSelect = true;
// restore screen
SAL_INFO("svtools", "BrowseBox::ShowCursor " << this );
if ( isAccessibleAlive() )
{
commitTableEvent(
SELECTION_CHANGED,
Any(),
Any()
);
}
}
void BrowseBox::SelectAll()
{
if ( !bMultiSelection )
return;
SAL_INFO("svtools", "BrowseBox::HideCursor " << this );
ToggleSelection();
// select all rows
if ( pColSel )
pColSel->SelectAll(false);
uRow.pSel->SelectAll();
// don't highlight handle column
BrowserColumn *pFirstCol = mvCols[ 0 ].get();
long nOfsX = pFirstCol->GetId() ? 0 : pFirstCol->Width();
// highlight the row selection
if ( !bHideSelect )
{
tools::Rectangle aHighlightRect;
sal_uInt16 nVisibleRows =
static_cast<sal_uInt16>(pDataWin->GetOutputSizePixel().Height() / GetDataRowHeight() + 1);
for ( long nRow = std::max<long>( nTopRow, uRow.pSel->FirstSelected() );
nRow != BROWSER_ENDOFSELECTION && nRow < nTopRow + nVisibleRows;
nRow = uRow.pSel->NextSelected() )
aHighlightRect.Union( tools::Rectangle(
Point( nOfsX, (nRow-nTopRow)*GetDataRowHeight() ),
Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) ) );
pDataWin->Invalidate( aHighlightRect );
}
if ( !bSelecting )
Select();
else
bSelect = true;
// restore screen
SAL_INFO("svtools", "BrowseBox::ShowCursor " << this );
if ( !isAccessibleAlive() )
return;
commitTableEvent(
SELECTION_CHANGED,
Any(),
Any()
);
commitHeaderBarEvent(
SELECTION_CHANGED,
Any(),
Any(),
true
); // column header event
commitHeaderBarEvent(
SELECTION_CHANGED,
Any(),
Any(),
false
); // row header event
}
void BrowseBox::SelectRow( long nRow, bool _bSelect, bool bExpand )
{
if ( !bMultiSelection )
{
// deselecting is impossible, selecting via cursor
if ( _bSelect )
GoToRow(nRow, false);
return;
}
SAL_INFO("svtools", "BrowseBox::HideCursor " << this );
// remove old selection?
if ( !bExpand || !bMultiSelection )
{
ToggleSelection();
if ( bMultiSelection )
uRow.pSel->SelectAll(false);
else
uRow.nSel = BROWSER_ENDOFSELECTION;
if ( pColSel )
pColSel->SelectAll(false);
}
// set new selection
if ( !bHideSelect
&& ( ( bMultiSelection
&& uRow.pSel->GetTotalRange().Max() >= nRow
&& uRow.pSel->Select( nRow, _bSelect )
)
|| ( !bMultiSelection
&& ( uRow.nSel = nRow ) != BROWSER_ENDOFSELECTION )
)
)
{
// don't highlight handle column
BrowserColumn *pFirstCol = mvCols[ 0 ].get();
long nOfsX = pFirstCol->GetId() ? 0 : pFirstCol->Width();
// highlight only newly selected part
tools::Rectangle aRect(
Point( nOfsX, (nRow-nTopRow)*GetDataRowHeight() ),
Size( pDataWin->GetSizePixel().Width(), GetDataRowHeight() ) );
pDataWin->Invalidate( aRect );
}
if ( !bSelecting )
Select();
else
bSelect = true;
// restore screen
SAL_INFO("svtools", "BrowseBox::ShowCursor " << this );
if ( !isAccessibleAlive() )
return;
commitTableEvent(
SELECTION_CHANGED,
Any(),
Any()
);
commitHeaderBarEvent(
SELECTION_CHANGED,
Any(),
Any(),
false
); // row header event
}
long BrowseBox::GetSelectRowCount() const
{
return bMultiSelection ? uRow.pSel->GetSelectCount() :
uRow.nSel == BROWSER_ENDOFSELECTION ? 0 : 1;
}
void BrowseBox::SelectColumnPos( sal_uInt16 nNewColPos, bool _bSelect, bool bMakeVisible )
{
if ( !bColumnCursor || nNewColPos == BROWSER_INVALIDID )
return;
if ( !bMultiSelection )
{
if ( _bSelect )
GoToColumnId( mvCols[ nNewColPos ]->GetId(), bMakeVisible );
return;
}
else
{
if ( !GoToColumnId( mvCols[ nNewColPos ]->GetId(), bMakeVisible ) )
return;
}
SAL_INFO("svtools", "BrowseBox::HideCursor " << this );
ToggleSelection();
if ( bMultiSelection )
uRow.pSel->SelectAll(false);
else
uRow.nSel = BROWSER_ENDOFSELECTION;
pColSel->SelectAll(false);
if ( pColSel->Select( nNewColPos, _bSelect ) )
{
// GoToColumnId( mvCols->GetObject(nNewColPos)->GetId(), bMakeVisible );
// only highlight painted areas
pDataWin->Update();
tools::Rectangle aFieldRectPix( GetFieldRectPixel( nCurRow, nCurColId, false ) );
tools::Rectangle aRect(
Point( aFieldRectPix.Left() - MIN_COLUMNWIDTH, 0 ),
Size( mvCols[ nNewColPos ]->Width(),
pDataWin->GetOutputSizePixel().Height() ) );
pDataWin->Invalidate( aRect );
if ( !bSelecting )
Select();
else
bSelect = true;
if ( isAccessibleAlive() )
{
commitTableEvent(
SELECTION_CHANGED,
Any(),
Any()
);
commitHeaderBarEvent(
SELECTION_CHANGED,
Any(),
Any(),
true
); // column header event
}
}
// restore screen
SAL_INFO("svtools", "BrowseBox::ShowCursor " << this );
}
sal_uInt16 BrowseBox::GetSelectColumnCount() const
{
// while bAutoSelect (==!pColSel), 1 if any rows (yes rows!) else none
return pColSel ? static_cast<sal_uInt16>(pColSel->GetSelectCount()) :
nCurRow >= 0 ? 1 : 0;
}
long BrowseBox::FirstSelectedColumn( ) const
{
return pColSel ? pColSel->FirstSelected() : BROWSER_ENDOFSELECTION;
}
long BrowseBox::FirstSelectedRow()
{
return bMultiSelection ? uRow.pSel->FirstSelected() : uRow.nSel;
}
long BrowseBox::NextSelectedRow()
{
return bMultiSelection ? uRow.pSel->NextSelected() : BROWSER_ENDOFSELECTION;
}
long BrowseBox::LastSelectedRow()
{
return bMultiSelection ? uRow.pSel->LastSelected() : uRow.nSel;
}
bool BrowseBox::IsRowSelected( long nRow ) const
{
return bMultiSelection ? uRow.pSel->IsSelected(nRow) : nRow == uRow.nSel;
}
bool BrowseBox::IsColumnSelected( sal_uInt16 nColumnId ) const
{
return pColSel ? pColSel->IsSelected( GetColumnPos(nColumnId) ) :
nCurColId == nColumnId;
}
void BrowseBox::MakeFieldVisible
(
long nRow, // line number of the field (starting with 0)
sal_uInt16 nColId // column ID of the field
)
/* [Description]
Makes visible the field described in 'nRow' and 'nColId' by scrolling
accordingly.
*/
{
if (!pDataWin)
return;
Size aTestSize = pDataWin->GetSizePixel();
if ( !bBootstrapped ||
( aTestSize.Width() == 0 && aTestSize.Height() == 0 ) )
return;
// is it visible already?
bool bVisible = IsFieldVisible( nRow, nColId, true/*bComplete*/ );
if ( bVisible )
return;
// calculate column position, field rectangle and painting area
sal_uInt16 nColPos = GetColumnPos( nColId );
tools::Rectangle aFieldRect = GetFieldRectPixel( nRow, nColId, false );
tools::Rectangle aDataRect( Point(0, 0), pDataWin->GetSizePixel() );
// positioned outside on the left?
if ( nColPos >= FrozenColCount() && nColPos < nFirstCol )
// => scroll to the right
ScrollColumns( nColPos - nFirstCol );
// while outside on the right
while ( aDataRect.Right() < aFieldRect.Right() )
{
// => scroll to the left
if ( ScrollColumns( 1 ) != 1 )
// no more need to scroll
break;
aFieldRect = GetFieldRectPixel( nRow, nColId, false );
}
// positioned outside above?
if ( nRow < nTopRow )
// scroll further to the bottom
ScrollRows( nRow - nTopRow );
// positioned outside below?
long nBottomRow = nTopRow + GetVisibleRows();
// decrement nBottomRow to make it the number of the last visible line
// (count starts with 0!).
// Example: BrowseBox contains exactly one entry. nBottomRow := 0 + 1 - 1
if( nBottomRow )
nBottomRow--;
if ( nRow > nBottomRow )
// scroll further to the top
ScrollRows( nRow - nBottomRow );
}
bool BrowseBox::IsFieldVisible( long nRow, sal_uInt16 nColumnId,
bool bCompletely ) const
{
// hidden by frozen column?
sal_uInt16 nColPos = GetColumnPos( nColumnId );
if ( nColPos >= FrozenColCount() && nColPos < nFirstCol )
return false;
tools::Rectangle aRect( ImplFieldRectPixel( nRow, nColumnId ) );
if ( aRect.IsEmpty() )
return false;
// get the visible area
tools::Rectangle aOutRect( Point(0, 0), pDataWin->GetOutputSizePixel() );
if ( bCompletely )
// test if the field is completely visible
return aOutRect.IsInside( aRect );
else
// test if the field is partly of completely visible
return !aOutRect.Intersection( aRect ).IsEmpty();
}
tools::Rectangle BrowseBox::GetFieldRectPixel( long nRow, sal_uInt16 nColumnId,
bool bRelToBrowser) const
{
// get the rectangle relative to DataWin
tools::Rectangle aRect( ImplFieldRectPixel( nRow, nColumnId ) );
if ( aRect.IsEmpty() )
return aRect;
// adjust relative to BrowseBox's output area
Point aTopLeft( aRect.TopLeft() );
if ( bRelToBrowser )
{
aTopLeft = pDataWin->OutputToScreenPixel( aTopLeft );
aTopLeft = ScreenToOutputPixel( aTopLeft );
}
return tools::Rectangle( aTopLeft, aRect.GetSize() );
}
tools::Rectangle BrowseBox::GetRowRectPixel( long nRow ) const
{
// get the rectangle relative to DataWin
tools::Rectangle aRect;
if ( nTopRow > nRow )
// row is above visible area
return aRect;
aRect = tools::Rectangle(
Point( 0, GetDataRowHeight() * (nRow-nTopRow) ),
Size( pDataWin->GetOutputSizePixel().Width(), GetDataRowHeight() ) );
if ( aRect.TopLeft().Y() > pDataWin->GetOutputSizePixel().Height() )
// row is below visible area
return aRect;
// adjust relative to BrowseBox's output area
Point aTopLeft( aRect.TopLeft() );
aTopLeft = pDataWin->OutputToScreenPixel( aTopLeft );
aTopLeft = ScreenToOutputPixel( aTopLeft );
return tools::Rectangle( aTopLeft, aRect.GetSize() );
}
tools::Rectangle BrowseBox::ImplFieldRectPixel( long nRow, sal_uInt16 nColumnId ) const
{
// compute the X-coordinate relative to DataWin by accumulation
long nColX = 0;
sal_uInt16 nFrozenCols = FrozenColCount();
size_t nCol;
for ( nCol = 0;
nCol < mvCols.size() && mvCols[ nCol ]->GetId() != nColumnId;
++nCol )
if ( mvCols[ nCol ]->IsFrozen() || nCol >= nFirstCol )
nColX += mvCols[ nCol ]->Width();
if ( nCol >= mvCols.size() || ( nCol >= nFrozenCols && nCol < nFirstCol ) )
return tools::Rectangle();
// compute the Y-coordinate relative to DataWin
long nRowY = GetDataRowHeight();
if ( nRow != BROWSER_ENDOFSELECTION ) // #105497# OJ
nRowY = ( nRow - nTopRow ) * GetDataRowHeight();
// assemble the Rectangle relative to DataWin
return tools::Rectangle(
Point( nColX + MIN_COLUMNWIDTH, nRowY ),
Size( (mvCols[nCol]->Width() == LONG_MAX
? LONG_MAX - (nColX + MIN_COLUMNWIDTH) : mvCols[ nCol ]->Width() - 2*MIN_COLUMNWIDTH),
GetDataRowHeight() - 1 ) );
}
long BrowseBox::GetRowAtYPosPixel( long nY, bool bRelToBrowser ) const
{
// compute the Y-coordinate
if ( bRelToBrowser )
{
Point aDataTopLeft = pDataWin->OutputToScreenPixel( Point(0, 0) );
Point aTopLeft = OutputToScreenPixel( Point(0, 0) );
nY -= aDataTopLeft.Y() - aTopLeft.Y();
}
// no row there (e.g. in the header)
if ( nY < 0 || nY >= pDataWin->GetOutputSizePixel().Height() )
return -1;
return nY / GetDataRowHeight() + nTopRow;
}
tools::Rectangle BrowseBox::GetFieldRect( sal_uInt16 nColumnId ) const
{
return GetFieldRectPixel( nCurRow, nColumnId );
}
sal_uInt16 BrowseBox::GetColumnAtXPosPixel( long nX ) const
{
// accumulate the widths of the visible columns
long nColX = 0;
for ( size_t nCol = 0; nCol < mvCols.size(); ++nCol )
{
BrowserColumn *pCol = mvCols[ nCol ].get();
if ( pCol->IsFrozen() || nCol >= nFirstCol )
nColX += pCol->Width();
if ( nColX > nX )
return nCol;
}
return BROWSER_INVALIDID;
}
bool BrowseBox::ReserveControlArea(sal_uInt16 nWidth)
{
if (nWidth != nControlAreaWidth)
{
OSL_ENSURE(nWidth,"Control area of 0 is not allowed, Use USHRT_MAX instead!");
nControlAreaWidth = nWidth;
UpdateScrollbars();
return true;
}
return false;
}
tools::Rectangle BrowseBox::GetControlArea() const
{
auto nHeight = aHScroll->GetSizePixel().Height();
return tools::Rectangle(
Point( 0, GetOutputSizePixel().Height() - nHeight ),
Size( GetOutputSizePixel().Width() - aHScroll->GetSizePixel().Width(),
nHeight ) );
}
void BrowseBox::SetMode( BrowserMode nMode )
{
pDataWin->bAutoHScroll = BrowserMode::AUTO_HSCROLL == ( nMode & BrowserMode::AUTO_HSCROLL );
pDataWin->bAutoVScroll = BrowserMode::AUTO_VSCROLL == ( nMode & BrowserMode::AUTO_VSCROLL );
pDataWin->bNoHScroll = BrowserMode::NO_HSCROLL == ( nMode & BrowserMode::NO_HSCROLL );
pDataWin->bNoVScroll = BrowserMode::NO_VSCROLL == ( nMode & BrowserMode::NO_VSCROLL );
DBG_ASSERT( !( pDataWin->bAutoHScroll && pDataWin->bNoHScroll ),
"BrowseBox::SetMode: AutoHScroll *and* NoHScroll?" );
DBG_ASSERT( !( pDataWin->bAutoVScroll && pDataWin->bNoVScroll ),
"BrowseBox::SetMode: AutoVScroll *and* NoVScroll?" );
if ( pDataWin->bAutoHScroll )
pDataWin->bNoHScroll = false;
if ( pDataWin->bAutoVScroll )
pDataWin->bNoVScroll = false;
if ( pDataWin->bNoHScroll )
aHScroll->Hide();
nControlAreaWidth = USHRT_MAX;
long nOldRowSel = bMultiSelection ? uRow.pSel->FirstSelected() : uRow.nSel;
MultiSelection *pOldRowSel = bMultiSelection ? uRow.pSel : nullptr;
pVScroll.disposeAndClear();
bMultiSelection = bool( nMode & BrowserMode::MULTISELECTION );
bColumnCursor = bool( nMode & BrowserMode::COLUMNSELECTION );
bKeepHighlight = bool( nMode & BrowserMode::KEEPHIGHLIGHT );
bHideSelect = ((nMode & BrowserMode::HIDESELECT) == BrowserMode::HIDESELECT);
// default: do not hide the cursor at all (untaken scrolling and such)
bHideCursor = TRISTATE_FALSE;
if ( BrowserMode::HIDECURSOR == ( nMode & BrowserMode::HIDECURSOR ) )
{
bHideCursor = TRISTATE_TRUE;
}
m_bFocusOnlyCursor = ((nMode & BrowserMode::CURSOR_WO_FOCUS) == BrowserMode::NONE);
bHLines = ( nMode & BrowserMode::HLINES ) == BrowserMode::HLINES;
bVLines = ( nMode & BrowserMode::VLINES ) == BrowserMode::VLINES;
WinBits nVScrollWinBits =
WB_VSCROLL | ( ( nMode & BrowserMode::THUMBDRAGGING ) ? WB_DRAG : 0 );
pVScroll = ( nMode & BrowserMode::TRACKING_TIPS ) == BrowserMode::TRACKING_TIPS
? VclPtr<BrowserScrollBar>::Create( this, nVScrollWinBits, pDataWin.get() )
: VclPtr<ScrollBar>::Create( this, nVScrollWinBits );
pVScroll->SetLineSize( 1 );
pVScroll->SetPageSize(1);
pVScroll->SetScrollHdl( LINK( this, BrowseBox, ScrollHdl ) );
pDataWin->bAutoSizeLastCol =
BrowserMode::AUTOSIZE_LASTCOL == ( nMode & BrowserMode::AUTOSIZE_LASTCOL );
// create a headerbar. what happens, if a headerbar has to be created and
// there already are columns?
if ( BrowserMode::HEADERBAR_NEW == ( nMode & BrowserMode::HEADERBAR_NEW ) )
{
if (!pDataWin->pHeaderBar)
pDataWin->pHeaderBar = CreateHeaderBar( this );
}
else
{
pDataWin->pHeaderBar.disposeAndClear();
}
if ( bColumnCursor )
{
if (!pColSel)
pColSel.reset(new MultiSelection);
pColSel->SetTotalRange( Range( 0, mvCols.size()-1 ) );
}
else
{
pColSel.reset();
}
if ( bMultiSelection )
{
if ( pOldRowSel )
uRow.pSel = pOldRowSel;
else
uRow.pSel = new MultiSelection;
}
else
{
uRow.nSel = nOldRowSel;
delete pOldRowSel;
}
if ( bBootstrapped )
{
StateChanged( StateChangedType::InitShow );
if ( bMultiSelection && !pOldRowSel &&
nOldRowSel != BROWSER_ENDOFSELECTION )
uRow.pSel->Select( nOldRowSel );
}
if ( pDataWin )
pDataWin->Invalidate();
// no cursor on handle column
if ( nCurColId == HandleColumnId )
nCurColId = GetColumnId( 1 );
m_nCurrentMode = nMode;
}
void BrowseBox::VisibleRowsChanged( long, sal_uInt16 )
{
// old behavior: automatically correct NumRows:
if ( nRowCount < GetRowCount() )
{
RowInserted(nRowCount,GetRowCount() - nRowCount, false);
}
else if ( nRowCount > GetRowCount() )
{
RowRemoved(nRowCount-(nRowCount - GetRowCount()),nRowCount - GetRowCount(), false);
}
}
bool BrowseBox::IsCursorMoveAllowed( long, sal_uInt16 ) const
/* [Description]
This virtual method is always called before the cursor is moved directly.
By means of 'return false', we avoid doing this if e.g. a record
contradicts any rules.
This method is not called, if the cursor movement results from removing or
deleting a row/column (thus, in cases where only a "cursor correction" happens).
The base implementation currently always returns true.
*/
{
return true;
}
long BrowseBox::GetDataRowHeight() const
{
return CalcZoom(nDataRowHeight ? nDataRowHeight : ImpGetDataRowHeight());
}
VclPtr<BrowserHeader> BrowseBox::CreateHeaderBar( BrowseBox* pParent )
{
VclPtr<BrowserHeader> pNewBar = VclPtr<BrowserHeader>::Create( pParent );
pNewBar->SetStartDragHdl( LINK( this, BrowseBox, StartDragHdl ) );
return pNewBar;
}
void BrowseBox::SetHeaderBar( BrowserHeader* pHeaderBar )
{
pDataWin->pHeaderBar.disposeAndClear();
pDataWin->pHeaderBar = pHeaderBar;
pDataWin->pHeaderBar->SetStartDragHdl( LINK( this, BrowseBox, StartDragHdl ) );
}
long BrowseBox::GetTitleHeight() const
{
long nHeight;
// ask the header bar for the text height (if possible), as the header bar's font is adjusted with
// our (and the header's) zoom factor
HeaderBar* pHeaderBar = pDataWin->pHeaderBar;
if ( pHeaderBar )
nHeight = pHeaderBar->GetTextHeight();
else
nHeight = GetTextHeight();
return nTitleLines ? nTitleLines * nHeight + 4 : 0;
}
long BrowseBox::CalcReverseZoom(long nVal)
{
if (IsZoom())
{
const Fraction& rZoom = GetZoom();
double n = static_cast<double>(nVal);
n *= static_cast<double>(rZoom.GetDenominator());
if (!rZoom.GetNumerator())
throw o3tl::divide_by_zero();
n /= static_cast<double>(rZoom.GetNumerator());
nVal = n>0 ? static_cast<long>(n + 0.5) : -static_cast<long>(-n + 0.5);
}
return nVal;
}
void BrowseBox::CursorMoved()
{
// before implementing more here, please adjust the EditBrowseBox
if ( isAccessibleAlive() && HasFocus() )
commitTableEvent(
ACTIVE_DESCENDANT_CHANGED,
makeAny( CreateAccessibleCell( GetCurRow(),GetColumnPos( GetCurColumnId() ) ) ),
Any()
);
}
void BrowseBox::LoseFocus()
{
SAL_INFO("svtools", "BrowseBox::LoseFocus " << this );
if ( bHasFocus )
{
SAL_INFO("svtools", "BrowseBox::HideCursor " << this );
DoHideCursor( "LoseFocus" );
if ( !bKeepHighlight )
{
ToggleSelection();
bSelectionIsVisible = false;
}
bHasFocus = false;
}
Control::LoseFocus();
}
void BrowseBox::GetFocus()
{
SAL_INFO("svtools", "BrowseBox::GetFocus " << this );
if ( !bHasFocus )
{
if ( !bSelectionIsVisible )
{
bSelectionIsVisible = true;
if ( bBootstrapped )
ToggleSelection();
}
bHasFocus = true;
DoShowCursor( "GetFocus" );
}
Control::GetFocus();
}
sal_uInt16 BrowseBox::GetVisibleRows() const
{
return static_cast<sal_uInt16>((pDataWin->GetOutputSizePixel().Height() - 1 )/ GetDataRowHeight() + 1);
}
vcl::Window& BrowseBox::GetDataWindow() const
{
return *pDataWin;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */