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07d85c44998f42545175ee77c192b901b52a30ca
libreoffice/vcl/source/control/lstbox.cxx
Jan Holesovsky 7f19a7f1f1 rendercontext: Fix crash with double-buffering in the Styles combo box. 
Decouple the actual window from rendercontext in UserDrawEvent.

Change-Id: Ic440c4e7f59fcffb7800c578146e8eb528cbb7b4
2015-06-19 17:59:07 +02:00

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/* -*- 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 "tools/rc.h"
#include "tools/debug.hxx"
#include "vcl/decoview.hxx"
#include "vcl/dialog.hxx"
#include "vcl/event.hxx"
#include "vcl/scrbar.hxx"
#include "vcl/button.hxx"
#include "vcl/edit.hxx"
#include "vcl/lstbox.hxx"
#include "vcl/combobox.hxx"
#include "vcl/settings.hxx"
#include "svdata.hxx"
#include "controldata.hxx"
#include "ilstbox.hxx"
#include "dndevdis.hxx"
#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
void ListBox::EnableQuickSelection( const bool& b )
{
mpImplLB->GetMainWindow()->EnableQuickSelection(b);
}
ListBox::ListBox(WindowType nType)
: Control(nType)
, mpImplLB(NULL)
{
ImplInitListBoxData();
}
ListBox::ListBox( vcl::Window* pParent, WinBits nStyle ) : Control( WINDOW_LISTBOX )
{
ImplInitListBoxData();
ImplInit( pParent, nStyle );
}
ListBox::ListBox( vcl::Window* pParent, const ResId& rResId ) :
Control( WINDOW_LISTBOX )
{
rResId.SetRT( RSC_LISTBOX );
WinBits nStyle = ImplInitRes( rResId );
ImplInitListBoxData();
ImplInit( pParent, nStyle );
ImplLoadRes( rResId );
if ( !(nStyle & WB_HIDE ) )
Show();
}
ListBox::~ListBox()
{
disposeOnce();
}
void ListBox::dispose()
{
CallEventListeners( VCLEVENT_OBJECT_DYING );
mpImplLB.disposeAndClear();
mpFloatWin.disposeAndClear();
mpImplWin.disposeAndClear();
mpBtn.disposeAndClear();
Control::dispose();
}
void ListBox::ImplInitListBoxData()
{
mpFloatWin = NULL;
mpImplWin = NULL;
mpBtn = NULL;
mnDDHeight = 0;
mnSaveValue = LISTBOX_ENTRY_NOTFOUND;
mnLineCount = 0;
m_nMaxWidthChars = -1;
mbDDAutoSize = true;
mbEdgeBlending = false;
}
void ListBox::ImplInit( vcl::Window* pParent, WinBits nStyle )
{
nStyle = ImplInitStyle( nStyle );
if ( !(nStyle & WB_NOBORDER) && ( nStyle & WB_DROPDOWN ) )
nStyle |= WB_BORDER;
Control::ImplInit( pParent, nStyle, NULL );
::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::dnd::XDropTargetListener> xDrop = new DNDEventDispatcher(this);
if( nStyle & WB_DROPDOWN )
{
sal_Int32 nLeft, nTop, nRight, nBottom;
GetBorder( nLeft, nTop, nRight, nBottom );
mnDDHeight = (sal_uInt16)(GetTextHeight() + nTop + nBottom + 4);
if( IsNativeWidgetEnabled() &&
IsNativeControlSupported( CTRL_LISTBOX, PART_ENTIRE_CONTROL ) )
{
ImplControlValue aControlValue;
Rectangle aCtrlRegion( Point( 0, 0 ), Size( 20, mnDDHeight ) );
Rectangle aBoundingRgn( aCtrlRegion );
Rectangle aContentRgn( aCtrlRegion );
if( GetNativeControlRegion( CTRL_LISTBOX, PART_ENTIRE_CONTROL, aCtrlRegion,
ControlState::ENABLED, aControlValue, OUString(),
aBoundingRgn, aContentRgn ) )
{
sal_Int32 nHeight = aBoundingRgn.GetHeight();
if( nHeight > mnDDHeight )
mnDDHeight = static_cast<sal_uInt16>(nHeight);
}
}
mpFloatWin = VclPtr<ImplListBoxFloatingWindow>::Create( this );
mpFloatWin->SetAutoWidth( true );
mpFloatWin->SetPopupModeEndHdl( LINK( this, ListBox, ImplPopupModeEndHdl ) );
mpFloatWin->GetDropTarget()->addDropTargetListener(xDrop);
mpImplWin = VclPtr<ImplWin>::Create( this, (nStyle & (WB_LEFT|WB_RIGHT|WB_CENTER))|WB_NOBORDER );
mpImplWin->buttonDownSignal.connect( boost::bind( &ListBox::ImplClickButtonHandler, this, _1 ));
mpImplWin->userDrawSignal.connect( boost::bind( &ListBox::ImplUserDrawHandler, this, _1 ) );
mpImplWin->Show();
mpImplWin->GetDropTarget()->addDropTargetListener(xDrop);
mpImplWin->SetEdgeBlending(GetEdgeBlending());
mpBtn = VclPtr<ImplBtn>::Create( this, WB_NOLIGHTBORDER | WB_RECTSTYLE );
ImplInitDropDownButton( mpBtn );
mpBtn->buttonDownSignal.connect( boost::bind( &ListBox::ImplClickButtonHandler, this, _1 ));
mpBtn->Show();
mpBtn->GetDropTarget()->addDropTargetListener(xDrop);
}
vcl::Window* pLBParent = this;
if ( mpFloatWin )
pLBParent = mpFloatWin;
mpImplLB = VclPtr<ImplListBox>::Create( pLBParent, nStyle&(~WB_BORDER) );
mpImplLB->SetSelectHdl( LINK( this, ListBox, ImplSelectHdl ) );
mpImplLB->SetScrollHdl( LINK( this, ListBox, ImplScrollHdl ) );
mpImplLB->SetCancelHdl( LINK( this, ListBox, ImplCancelHdl ) );
mpImplLB->SetDoubleClickHdl( LINK( this, ListBox, ImplDoubleClickHdl ) );
mpImplLB->userDrawSignal.connect( boost::bind( &ListBox::ImplUserDrawHandler, this, _1 ) );
mpImplLB->SetFocusHdl( LINK( this, ListBox, ImplFocusHdl ) );
mpImplLB->SetListItemSelectHdl( LINK( this, ListBox, ImplListItemSelectHdl ) );
mpImplLB->SetPosPixel( Point() );
mpImplLB->SetEdgeBlending(GetEdgeBlending());
mpImplLB->Show();
mpImplLB->GetDropTarget()->addDropTargetListener(xDrop);
mpImplLB->SetDropTraget(xDrop);
if ( mpFloatWin )
{
mpFloatWin->SetImplListBox( mpImplLB );
mpImplLB->SetSelectionChangedHdl( LINK( this, ListBox, ImplSelectionChangedHdl ) );
}
else
mpImplLB->GetMainWindow()->AllowGrabFocus( true );
SetCompoundControl( true );
}
WinBits ListBox::ImplInitStyle( WinBits nStyle )
{
if ( !(nStyle & WB_NOTABSTOP) )
nStyle |= WB_TABSTOP;
if ( !(nStyle & WB_NOGROUP) )
nStyle |= WB_GROUP;
return nStyle;
}
void ListBox::ImplLoadRes( const ResId& rResId )
{
Control::ImplLoadRes( rResId );
// The resource short is actually to be treated as unsigned short.
sal_uInt16 nResPos = static_cast<sal_uInt16>(ReadShortRes());
sal_Int32 nSelPos = (nResPos == SAL_MAX_UINT16) ? LISTBOX_ENTRY_NOTFOUND : nResPos;
sal_Int32 nNumber = ReadLongRes();
for( sal_Int32 i = 0; i < nNumber; i++ )
{
sal_Int32 nPos = InsertEntry( ReadStringRes(), LISTBOX_APPEND );
sal_IntPtr nId = ReadLongRes();
if( nId )
SetEntryData( nPos, reinterpret_cast<void *>(nId) ); // ID as UserData
}
if( nSelPos < nNumber )
SelectEntryPos( nSelPos );
}
IMPL_LINK_NOARG(ListBox, ImplSelectHdl)
{
bool bPopup = IsInDropDown();
if( IsDropDownBox() )
{
if( !mpImplLB->IsTravelSelect() )
{
mpFloatWin->EndPopupMode();
mpImplWin->GrabFocus();
}
mpImplWin->SetItemPos( GetSelectEntryPos() );
mpImplWin->SetString( GetSelectEntry() );
if( mpImplLB->GetEntryList()->HasImages() )
{
Image aImage = mpImplLB->GetEntryList()->GetEntryImage( GetSelectEntryPos() );
mpImplWin->SetImage( aImage );
}
mpImplWin->Invalidate();
}
if ( ( !IsTravelSelect() || mpImplLB->IsSelectionChanged() ) || ( bPopup && !IsMultiSelectionEnabled() ) )
Select();
return 1;
}
IMPL_LINK( ListBox, ImplFocusHdl, void *, nPos )
{
CallEventListeners( VCLEVENT_LISTBOX_FOCUS , nPos);
return 1;
}
IMPL_LINK_NOARG( ListBox, ImplListItemSelectHdl )
{
CallEventListeners( VCLEVENT_DROPDOWN_SELECT );
return 1;
}
IMPL_LINK_NOARG(ListBox, ImplScrollHdl)
{
CallEventListeners( VCLEVENT_LISTBOX_SCROLLED );
return 1;
}
IMPL_LINK_NOARG(ListBox, ImplCancelHdl)
{
if( IsInDropDown() )
mpFloatWin->EndPopupMode();
return 1;
}
IMPL_LINK( ListBox, ImplSelectionChangedHdl, void*, n )
{
if ( !mpImplLB->IsTrackingSelect() )
{
sal_Int32 nChanged = (sal_Int32)reinterpret_cast<sal_uLong>(n);
const ImplEntryList* pEntryList = mpImplLB->GetEntryList();
if ( pEntryList->IsEntryPosSelected( nChanged ) )
{
// FIXME? This should've been turned into an ImplPaintEntry some time ago...
if ( nChanged < pEntryList->GetMRUCount() )
nChanged = pEntryList->FindEntry( pEntryList->GetEntryText( nChanged ) );
mpImplWin->SetItemPos( nChanged );
mpImplWin->SetString( mpImplLB->GetEntryList()->GetEntryText( nChanged ) );
if( mpImplLB->GetEntryList()->HasImages() )
{
Image aImage = mpImplLB->GetEntryList()->GetEntryImage( nChanged );
mpImplWin->SetImage( aImage );
}
}
else
{
mpImplWin->SetItemPos( LISTBOX_ENTRY_NOTFOUND );
mpImplWin->SetString( OUString() );
Image aImage;
mpImplWin->SetImage( aImage );
}
mpImplWin->Invalidate();
}
return 1;
}
IMPL_LINK_NOARG(ListBox, ImplDoubleClickHdl)
{
DoubleClick();
return 1;
}
void ListBox::ImplClickButtonHandler( Control* )
{
if( !mpFloatWin->IsInPopupMode() )
{
CallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
mpImplWin->GrabFocus();
mpBtn->SetPressed( true );
mpFloatWin->StartFloat( true );
CallEventListeners( VCLEVENT_DROPDOWN_OPEN );
ImplClearLayoutData();
if( mpImplLB )
mpImplLB->GetMainWindow()->ImplClearLayoutData();
if( mpImplWin )
mpImplWin->ImplClearLayoutData();
}
}
IMPL_LINK_NOARG(ListBox, ImplPopupModeEndHdl)
{
if( mpFloatWin->IsPopupModeCanceled() )
{
if ( ( mpFloatWin->GetPopupModeStartSaveSelection() != LISTBOX_ENTRY_NOTFOUND )
&& !IsEntryPosSelected( mpFloatWin->GetPopupModeStartSaveSelection() ) )
{
mpImplLB->SelectEntry( mpFloatWin->GetPopupModeStartSaveSelection(), true );
bool bTravelSelect = mpImplLB->IsTravelSelect();
mpImplLB->SetTravelSelect( true );
ImplDelData aCheckDelete;
ImplAddDel( &aCheckDelete );
Select();
if ( aCheckDelete.IsDead() )
return 0;
ImplRemoveDel( &aCheckDelete );
mpImplLB->SetTravelSelect( bTravelSelect );
}
}
ImplClearLayoutData();
if( mpImplLB )
mpImplLB->GetMainWindow()->ImplClearLayoutData();
if( mpImplWin )
mpImplWin->ImplClearLayoutData();
mpBtn->SetPressed( false );
CallEventListeners( VCLEVENT_DROPDOWN_CLOSE );
return 0;
}
void ListBox::ToggleDropDown()
{
if( IsDropDownBox() )
{
if( mpFloatWin->IsInPopupMode() )
mpFloatWin->EndPopupMode();
else
{
CallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
mpImplWin->GrabFocus();
mpBtn->SetPressed( true );
mpFloatWin->StartFloat( true );
CallEventListeners( VCLEVENT_DROPDOWN_OPEN );
}
}
}
void ListBox::ApplySettings(vcl::RenderContext& rRenderContext)
{
rRenderContext.SetBackground();
}
void ListBox::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize, DrawFlags nFlags )
{
mpImplLB->GetMainWindow()->ApplySettings(*pDev);
Point aPos = pDev->LogicToPixel( rPos );
Size aSize = pDev->LogicToPixel( rSize );
vcl::Font aFont = mpImplLB->GetMainWindow()->GetDrawPixelFont( pDev );
OutDevType eOutDevType = pDev->GetOutDevType();
pDev->Push();
pDev->SetMapMode();
pDev->SetFont( aFont );
pDev->SetTextFillColor();
// Border/Background
pDev->SetLineColor();
pDev->SetFillColor();
bool bBorder = !(nFlags & DrawFlags::NoBorder ) && (GetStyle() & WB_BORDER);
bool bBackground = !(nFlags & DrawFlags::NoBackground) && IsControlBackground();
if ( bBorder || bBackground )
{
Rectangle aRect( aPos, aSize );
if ( bBorder )
{
ImplDrawFrame( pDev, aRect );
}
if ( bBackground )
{
pDev->SetFillColor( GetControlBackground() );
pDev->DrawRect( aRect );
}
}
// Content
if ( ( nFlags & DrawFlags::Mono ) || ( eOutDevType == OUTDEV_PRINTER ) )
{
pDev->SetTextColor( Color( COL_BLACK ) );
}
else
{
if ( !(nFlags & DrawFlags::NoDisable ) && !IsEnabled() )
{
const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
pDev->SetTextColor( rStyleSettings.GetDisableColor() );
}
else
{
pDev->SetTextColor( GetTextColor() );
}
}
long nOnePixel = GetDrawPixel( pDev, 1 );
DrawTextFlags nTextStyle = DrawTextFlags::VCenter;
Rectangle aTextRect( aPos, aSize );
if ( GetStyle() & WB_CENTER )
nTextStyle |= DrawTextFlags::Center;
else if ( GetStyle() & WB_RIGHT )
nTextStyle |= DrawTextFlags::Right;
else
nTextStyle |= DrawTextFlags::Left;
aTextRect.Left() += 3*nOnePixel;
aTextRect.Right() -= 3*nOnePixel;
if ( IsDropDownBox() )
{
OUString aText = GetSelectEntry();
long nTextHeight = pDev->GetTextHeight();
long nTextWidth = pDev->GetTextWidth( aText );
long nOffX = 3*nOnePixel;
long nOffY = (aSize.Height()-nTextHeight) / 2;
// Clipping?
if ( (nOffY < 0) ||
((nOffY+nTextHeight) > aSize.Height()) ||
((nOffX+nTextWidth) > aSize.Width()) )
{
Rectangle aClip( aPos, aSize );
if ( nTextHeight > aSize.Height() )
aClip.Bottom() += nTextHeight-aSize.Height()+1; // So that HP Printers don't optimize this away
pDev->IntersectClipRegion( aClip );
}
pDev->DrawText( aTextRect, aText, nTextStyle );
}
else
{
long nTextHeight = pDev->GetTextHeight();
sal_uInt16 nLines = ( nTextHeight > 0 ) ? (sal_uInt16)(aSize.Height() / nTextHeight) : 1;
Rectangle aClip( aPos, aSize );
pDev->IntersectClipRegion( aClip );
if ( !nLines )
nLines = 1;
for ( sal_uInt16 n = 0; n < nLines; n++ )
{
sal_Int32 nEntry = n+mpImplLB->GetTopEntry();
bool bSelected = mpImplLB->GetEntryList()->IsEntryPosSelected( nEntry );
if ( bSelected )
{
pDev->SetFillColor( COL_BLACK );
pDev->DrawRect( Rectangle( Point( aPos.X(), aPos.Y() + n*nTextHeight ),
Point( aPos.X() + aSize.Width(), aPos.Y() + (n+1)*nTextHeight + 2*nOnePixel ) ) );
pDev->SetFillColor();
pDev->SetTextColor( COL_WHITE );
}
aTextRect.Top() = aPos.Y() + n*nTextHeight;
aTextRect.Bottom() = aTextRect.Top() + nTextHeight;
pDev->DrawText( aTextRect, mpImplLB->GetEntryList()->GetEntryText( nEntry ), nTextStyle );
if ( bSelected )
pDev->SetTextColor( COL_BLACK );
}
}
pDev->Pop();
}
void ListBox::GetFocus()
{
if ( mpImplLB )
{
if( IsDropDownBox() )
mpImplWin->GrabFocus();
else
mpImplLB->GrabFocus();
}
Control::GetFocus();
}
vcl::Window* ListBox::GetPreferredKeyInputWindow()
{
if ( mpImplLB )
{
if( IsDropDownBox() )
return mpImplWin->GetPreferredKeyInputWindow();
else
return mpImplLB->GetPreferredKeyInputWindow();
}
return Control::GetPreferredKeyInputWindow();
}
void ListBox::LoseFocus()
{
if( IsDropDownBox() )
{
if (mpImplWin)
mpImplWin->HideFocus();
}
else
{
if (mpImplLB)
mpImplLB->HideFocus();
}
Control::LoseFocus();
}
void ListBox::DataChanged( const DataChangedEvent& rDCEvt )
{
Control::DataChanged( rDCEvt );
if ( (rDCEvt.GetType() == DataChangedEventType::FONTS) ||
(rDCEvt.GetType() == DataChangedEventType::FONTSUBSTITUTION) ||
((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
(rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
{
SetBackground(); // Due to a hack in Window::UpdateSettings the background must be reset
// otherwise it will overpaint NWF drawn listboxes
Resize();
mpImplLB->Resize(); // Is not called by ListBox::Resize() if the ImplLB does not change
if ( mpImplWin )
{
mpImplWin->SetSettings( GetSettings() ); // If not yet set...
mpImplWin->ApplySettings(*mpImplWin);
mpBtn->SetSettings( GetSettings() );
ImplInitDropDownButton( mpBtn );
}
if ( IsDropDownBox() )
Invalidate();
}
}
void ListBox::EnableAutoSize( bool bAuto )
{
mbDDAutoSize = bAuto;
if ( mpFloatWin )
{
if ( bAuto && !mpFloatWin->GetDropDownLineCount() )
{
// use GetListBoxMaximumLineCount here; before, was on fixed number of five
AdaptDropDownLineCountToMaximum();
}
else if ( !bAuto )
{
mpFloatWin->SetDropDownLineCount( 0 );
}
}
}
void ListBox::EnableDDAutoWidth( bool b )
{
if ( mpFloatWin )
mpFloatWin->SetAutoWidth( b );
}
void ListBox::SetDropDownLineCount( sal_uInt16 nLines )
{
mnLineCount = nLines;
if ( mpFloatWin )
mpFloatWin->SetDropDownLineCount( mnLineCount );
}
void ListBox::AdaptDropDownLineCountToMaximum()
{
// adapt to maximum allowed number
SetDropDownLineCount(GetSettings().GetStyleSettings().GetListBoxMaximumLineCount());
}
sal_uInt16 ListBox::GetDropDownLineCount() const
{
if ( mpFloatWin )
return mpFloatWin->GetDropDownLineCount();
return mnLineCount;
}
void ListBox::setPosSizePixel( long nX, long nY, long nWidth, long nHeight, PosSizeFlags nFlags )
{
if( IsDropDownBox() && ( nFlags & PosSizeFlags::Size ) )
{
Size aPrefSz = mpFloatWin->GetPrefSize();
if ( ( nFlags & PosSizeFlags::Height ) && ( nHeight >= 2*mnDDHeight ) )
aPrefSz.Height() = nHeight-mnDDHeight;
if ( nFlags & PosSizeFlags::Width )
aPrefSz.Width() = nWidth;
mpFloatWin->SetPrefSize( aPrefSz );
if ( IsAutoSizeEnabled() && ! (nFlags & PosSizeFlags::Dropdown) )
nHeight = mnDDHeight;
}
Control::setPosSizePixel( nX, nY, nWidth, nHeight, nFlags );
}
void ListBox::Resize()
{
Size aOutSz = GetOutputSizePixel();
if( IsDropDownBox() )
{
// Initialize the dropdown button size with the standard scrollbar width
long nSBWidth = GetSettings().GetStyleSettings().GetScrollBarSize();
long nBottom = aOutSz.Height();
// Note: in case of no border, pBorder will actually be this
vcl::Window *pBorder = GetWindow( GetWindowType::Border );
ImplControlValue aControlValue;
Point aPoint;
Rectangle aContent, aBound;
// Use the full extent of the control
Rectangle aArea( aPoint, pBorder->GetOutputSizePixel() );
if ( GetNativeControlRegion( CTRL_LISTBOX, PART_BUTTON_DOWN,
aArea, ControlState::NONE, aControlValue, OUString(), aBound, aContent) )
{
long nTop = 0;
// Convert back from border space to local coordinates
aPoint = pBorder->ScreenToOutputPixel( OutputToScreenPixel( aPoint ) );
aContent.Move( -aPoint.X(), -aPoint.Y() );
// Use the themes drop down size for the button
aOutSz.Width() = aContent.Left();
mpBtn->setPosSizePixel( aContent.Left(), nTop, aContent.Right(), (nBottom-nTop) );
// Adjust the size of the edit field
if ( GetNativeControlRegion( CTRL_LISTBOX, PART_SUB_EDIT,
aArea, ControlState::NONE, aControlValue, OUString(), aBound, aContent) )
{
// Convert back from border space to local coordinates
aContent.Move( -aPoint.X(), -aPoint.Y() );
// Use the themes drop down size
if( ! (GetStyle() & WB_BORDER) && ImplGetSVData()->maNWFData.mbNoFocusRects )
{
// No border but focus ring behavior -> we have a problem; the
// native rect relies on the border to draw the focus
// let's do the best we can and center vertically, so it doesn't look
// completely wrong.
Size aSz( GetOutputSizePixel() );
long nDiff = aContent.Top() - (aSz.Height() - aContent.GetHeight())/2;
aContent.Top() -= nDiff;
aContent.Bottom() -= nDiff;
}
mpImplWin->SetPosSizePixel( aContent.TopLeft(), aContent.GetSize() );
}
else
mpImplWin->SetSizePixel( aOutSz );
}
else
{
nSBWidth = CalcZoom( nSBWidth );
mpImplWin->setPosSizePixel( 0, 0, aOutSz.Width() - nSBWidth, aOutSz.Height() );
mpBtn->setPosSizePixel( aOutSz.Width() - nSBWidth, 0, nSBWidth, aOutSz.Height() );
}
}
else
{
mpImplLB->SetSizePixel( aOutSz );
}
// Retain FloatingWindow size even when it's invisible, as we still process KEY_PGUP/DOWN ...
if ( mpFloatWin )
mpFloatWin->SetSizePixel( mpFloatWin->CalcFloatSize() );
Control::Resize();
}
void ListBox::FillLayoutData() const
{
mpControlData->mpLayoutData = new vcl::ControlLayoutData();
const ImplListBoxWindow* rMainWin = mpImplLB->GetMainWindow();
if( mpFloatWin )
{
// Dropdown mode
AppendLayoutData( *mpImplWin );
mpImplWin->SetLayoutDataParent( this );
if( mpFloatWin->IsReallyVisible() )
{
AppendLayoutData( *rMainWin );
rMainWin->SetLayoutDataParent( this );
}
}
else
{
AppendLayoutData( *rMainWin );
rMainWin->SetLayoutDataParent( this );
}
}
long ListBox::GetIndexForPoint( const Point& rPoint, sal_Int32& rPos ) const
{
if( !HasLayoutData() )
FillLayoutData();
// Check whether rPoint fits at all
long nIndex = Control::GetIndexForPoint( rPoint );
if( nIndex != -1 )
{
// Point must be either in main list window
// or in impl window (dropdown case)
ImplListBoxWindow* rMain = mpImplLB->GetMainWindow();
// Convert coordinates to ImplListBoxWindow pixel coordinate space
Point aConvPoint = LogicToPixel( rPoint );
aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint );
aConvPoint = rMain->AbsoluteScreenToOutputPixel( aConvPoint );
aConvPoint = rMain->PixelToLogic( aConvPoint );
// Try to find entry
sal_Int32 nEntry = rMain->GetEntryPosForPoint( aConvPoint );
if( nEntry == LISTBOX_ENTRY_NOTFOUND )
{
// Not found, maybe dropdown case
if( mpImplWin && mpImplWin->IsReallyVisible() )
{
// Convert to impl window pixel coordinates
aConvPoint = LogicToPixel( rPoint );
aConvPoint = OutputToAbsoluteScreenPixel( aConvPoint );
aConvPoint = mpImplWin->AbsoluteScreenToOutputPixel( aConvPoint );
// Check whether converted point is inside impl window
Size aImplWinSize = mpImplWin->GetOutputSizePixel();
if( aConvPoint.X() >= 0 && aConvPoint.Y() >= 0 && aConvPoint.X() < aImplWinSize.Width() && aConvPoint.Y() < aImplWinSize.Height() )
{
// Inside the impl window, the position is the current item pos
rPos = mpImplWin->GetItemPos();
}
else
nIndex = -1;
}
else
nIndex = -1;
}
else
rPos = nEntry;
DBG_ASSERT( nIndex != -1, "found index for point, but relative index failed" );
}
// Get line relative index
if( nIndex != -1 )
nIndex = ToRelativeLineIndex( nIndex );
return nIndex;
}
void ListBox::StateChanged( StateChangedType nType )
{
if( nType == StateChangedType::ReadOnly )
{
if( mpImplWin )
mpImplWin->Enable( !IsReadOnly() );
if( mpBtn )
mpBtn->Enable( !IsReadOnly() );
}
else if( nType == StateChangedType::Enable )
{
mpImplLB->Enable( IsEnabled() );
if( mpImplWin )
{
mpImplWin->Enable( IsEnabled() );
if ( IsNativeControlSupported(CTRL_LISTBOX, PART_ENTIRE_CONTROL)
&& ! IsNativeControlSupported(CTRL_LISTBOX, PART_BUTTON_DOWN) )
{
GetWindow( GetWindowType::Border )->Invalidate( InvalidateFlags::NoErase );
}
else
mpImplWin->Invalidate();
}
if( mpBtn )
mpBtn->Enable( IsEnabled() );
}
else if( nType == StateChangedType::UpdateMode )
{
mpImplLB->SetUpdateMode( IsUpdateMode() );
}
else if ( nType == StateChangedType::Zoom )
{
mpImplLB->SetZoom( GetZoom() );
if ( mpImplWin )
{
mpImplWin->SetZoom( GetZoom() );
mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
mpImplWin->Invalidate();
}
Resize();
}
else if ( nType == StateChangedType::ControlFont )
{
mpImplLB->SetControlFont( GetControlFont() );
if ( mpImplWin )
{
mpImplWin->SetControlFont( GetControlFont() );
mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
mpImplWin->Invalidate();
}
Resize();
}
else if ( nType == StateChangedType::ControlForeground )
{
mpImplLB->SetControlForeground( GetControlForeground() );
if ( mpImplWin )
{
mpImplWin->SetControlForeground( GetControlForeground() );
mpImplWin->SetTextColor( GetControlForeground() );
mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
mpImplWin->Invalidate();
}
}
else if ( nType == StateChangedType::ControlBackground )
{
mpImplLB->SetControlBackground( GetControlBackground() );
if ( mpImplWin )
{
if ( mpImplWin->IsNativeControlSupported(CTRL_LISTBOX, PART_ENTIRE_CONTROL) )
{
// Transparent background
mpImplWin->SetBackground();
mpImplWin->SetControlBackground();
}
else
{
mpImplWin->SetBackground( mpImplLB->GetMainWindow()->GetControlBackground() );
mpImplWin->SetControlBackground( mpImplLB->GetMainWindow()->GetControlBackground() );
}
mpImplWin->SetFont( mpImplLB->GetMainWindow()->GetFont() );
mpImplWin->Invalidate();
}
}
else if ( nType == StateChangedType::Style )
{
SetStyle( ImplInitStyle( GetStyle() ) );
mpImplLB->GetMainWindow()->EnableSort( ( GetStyle() & WB_SORT ) != 0 );
bool bSimpleMode = ( GetStyle() & WB_SIMPLEMODE ) != 0;
mpImplLB->SetMultiSelectionSimpleMode( bSimpleMode );
}
else if( nType == StateChangedType::Mirroring )
{
if( mpBtn )
{
mpBtn->EnableRTL( IsRTLEnabled() );
ImplInitDropDownButton( mpBtn );
}
mpImplLB->EnableRTL( IsRTLEnabled() );
if( mpImplWin )
mpImplWin->EnableRTL( IsRTLEnabled() );
Resize();
}
Control::StateChanged( nType );
}
bool ListBox::PreNotify( NotifyEvent& rNEvt )
{
bool nDone = false;
if ( mpImplLB )
{
if( ( rNEvt.GetType() == MouseNotifyEvent::KEYINPUT ) && ( rNEvt.GetWindow() == mpImplWin ) )
{
KeyEvent aKeyEvt = *rNEvt.GetKeyEvent();
switch( aKeyEvt.GetKeyCode().GetCode() )
{
case KEY_DOWN:
{
if( mpFloatWin && !mpFloatWin->IsInPopupMode() &&
aKeyEvt.GetKeyCode().IsMod2() )
{
CallEventListeners( VCLEVENT_DROPDOWN_PRE_OPEN );
mpBtn->SetPressed( true );
mpFloatWin->StartFloat( false );
CallEventListeners( VCLEVENT_DROPDOWN_OPEN );
nDone = true;
}
else
{
nDone = mpImplLB->ProcessKeyInput( aKeyEvt );
}
}
break;
case KEY_UP:
{
if( mpFloatWin && mpFloatWin->IsInPopupMode() &&
aKeyEvt.GetKeyCode().IsMod2() )
{
mpFloatWin->EndPopupMode();
nDone = true;
}
else
{
nDone = mpImplLB->ProcessKeyInput( aKeyEvt );
}
}
break;
case KEY_RETURN:
{
if( IsInDropDown() )
{
mpImplLB->ProcessKeyInput( aKeyEvt );
nDone = true;
}
}
break;
default:
{
nDone = mpImplLB->ProcessKeyInput( aKeyEvt );
}
}
}
else if ( rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS )
{
if ( IsInDropDown() && !HasChildPathFocus( true ) )
mpFloatWin->EndPopupMode();
}
else if ( (rNEvt.GetType() == MouseNotifyEvent::COMMAND) &&
(rNEvt.GetCommandEvent()->GetCommand() == CommandEventId::Wheel) &&
(rNEvt.GetWindow() == mpImplWin) )
{
MouseWheelBehaviour nWheelBehavior( GetSettings().GetMouseSettings().GetWheelBehavior() );
if ( ( nWheelBehavior == MouseWheelBehaviour::ALWAYS )
|| ( ( nWheelBehavior == MouseWheelBehaviour::FocusOnly )
&& HasChildPathFocus()
)
)
{
nDone = mpImplLB->HandleWheelAsCursorTravel( *rNEvt.GetCommandEvent() );
}
else
{
nDone = false; // Don't consume this event, let the default handling take it (i.e. scroll the context)
}
}
}
return nDone || Control::PreNotify( rNEvt );
}
void ListBox::Select()
{
ImplCallEventListenersAndHandler( VCLEVENT_LISTBOX_SELECT, maSelectHdl, this );
}
void ListBox::DoubleClick()
{
ImplCallEventListenersAndHandler( VCLEVENT_LISTBOX_DOUBLECLICK, maDoubleClickHdl, this );
}
void ListBox::Clear()
{
mpImplLB->Clear();
if( IsDropDownBox() )
{
mpImplWin->SetItemPos( LISTBOX_ENTRY_NOTFOUND );
mpImplWin->SetString( OUString() );
Image aImage;
mpImplWin->SetImage( aImage );
mpImplWin->Invalidate();
}
CallEventListeners( VCLEVENT_LISTBOX_ITEMREMOVED, reinterpret_cast<void*>(-1) );
}
void ListBox::SetNoSelection()
{
mpImplLB->SetNoSelection();
if( IsDropDownBox() )
{
mpImplWin->SetItemPos( LISTBOX_ENTRY_NOTFOUND );
mpImplWin->SetString( OUString() );
Image aImage;
mpImplWin->SetImage( aImage );
mpImplWin->Invalidate();
}
CallEventListeners(VCLEVENT_LISTBOX_STATEUPDATE);
}
sal_Int32 ListBox::InsertEntry( const OUString& rStr, sal_Int32 nPos )
{
sal_Int32 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr );
nRealPos = sal::static_int_cast<sal_Int32>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
CallEventListeners( VCLEVENT_LISTBOX_ITEMADDED, reinterpret_cast<void*>(nRealPos) );
return nRealPos;
}
sal_Int32 ListBox::InsertEntry( const OUString& rStr, const Image& rImage, sal_Int32 nPos )
{
sal_Int32 nRealPos = mpImplLB->InsertEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), rStr, rImage );
nRealPos = sal::static_int_cast<sal_Int32>(nRealPos - mpImplLB->GetEntryList()->GetMRUCount());
CallEventListeners( VCLEVENT_LISTBOX_ITEMADDED, reinterpret_cast<void*>(nRealPos) );
return nRealPos;
}
void ListBox::RemoveEntry( const OUString& rStr )
{
RemoveEntry( GetEntryPos( rStr ) );
}
void ListBox::RemoveEntry( sal_Int32 nPos )
{
mpImplLB->RemoveEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
CallEventListeners( VCLEVENT_LISTBOX_ITEMREMOVED, reinterpret_cast<void*>(nPos) );
}
Image ListBox::GetEntryImage( sal_Int32 nPos ) const
{
if ( mpImplLB->GetEntryList()->HasEntryImage( nPos ) )
return mpImplLB->GetEntryList()->GetEntryImage( nPos );
return Image();
}
sal_Int32 ListBox::GetEntryPos( const OUString& rStr ) const
{
sal_Int32 nPos = mpImplLB->GetEntryList()->FindEntry( rStr );
if ( nPos != LISTBOX_ENTRY_NOTFOUND )
nPos = nPos - mpImplLB->GetEntryList()->GetMRUCount();
return nPos;
}
sal_Int32 ListBox::GetEntryPos( const void* pData ) const
{
sal_Int32 nPos = mpImplLB->GetEntryList()->FindEntry( pData );
if ( nPos != LISTBOX_ENTRY_NOTFOUND )
nPos = nPos - mpImplLB->GetEntryList()->GetMRUCount();
return nPos;
}
OUString ListBox::GetEntry( sal_Int32 nPos ) const
{
return mpImplLB->GetEntryList()->GetEntryText( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
}
sal_Int32 ListBox::GetEntryCount() const
{
return mpImplLB->GetEntryList()->GetEntryCount() - mpImplLB->GetEntryList()->GetMRUCount();
}
OUString ListBox::GetSelectEntry(sal_Int32 nIndex) const
{
return GetEntry( GetSelectEntryPos( nIndex ) );
}
sal_Int32 ListBox::GetSelectEntryCount() const
{
return mpImplLB->GetEntryList()->GetSelectEntryCount();
}
sal_Int32 ListBox::GetSelectEntryPos( sal_Int32 nIndex ) const
{
sal_Int32 nPos = mpImplLB->GetEntryList()->GetSelectEntryPos( nIndex );
if ( nPos != LISTBOX_ENTRY_NOTFOUND )
{
if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
nPos = mpImplLB->GetEntryList()->FindEntry( mpImplLB->GetEntryList()->GetEntryText( nPos ) );
nPos = nPos - mpImplLB->GetEntryList()->GetMRUCount();
}
return nPos;
}
bool ListBox::IsEntrySelected(const OUString& rStr) const
{
return IsEntryPosSelected( GetEntryPos( rStr ) );
}
bool ListBox::IsEntryPosSelected( sal_Int32 nPos ) const
{
return mpImplLB->GetEntryList()->IsEntryPosSelected( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
}
void ListBox::SelectEntry( const OUString& rStr, bool bSelect )
{
SelectEntryPos( GetEntryPos( rStr ), bSelect );
}
void ListBox::SelectEntryPos( sal_Int32 nPos, bool bSelect )
{
if ( 0 <= nPos && nPos < mpImplLB->GetEntryList()->GetEntryCount() )
{
sal_Int32 oldSelectCount = GetSelectEntryCount(), newSelectCount = 0, nCurrentPos = mpImplLB->GetCurrentPos();
mpImplLB->SelectEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount(), bSelect );
newSelectCount = GetSelectEntryCount();
if (oldSelectCount == 0 && newSelectCount > 0)
CallEventListeners(VCLEVENT_LISTBOX_STATEUPDATE);
//Only when bSelect == true, send both Selection & Focus events
if (nCurrentPos != nPos && bSelect)
{
CallEventListeners( VCLEVENT_LISTBOX_SELECT, reinterpret_cast<void*>(nPos));
if (HasFocus())
CallEventListeners( VCLEVENT_LISTBOX_FOCUS, reinterpret_cast<void*>(nPos));
}
}
}
void ListBox::SetEntryData( sal_Int32 nPos, void* pNewData )
{
mpImplLB->SetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount(), pNewData );
}
void* ListBox::GetEntryData( sal_Int32 nPos ) const
{
return mpImplLB->GetEntryList()->GetEntryData( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
}
void ListBox::SetEntryFlags( sal_Int32 nPos, ListBoxEntryFlags nFlags )
{
mpImplLB->SetEntryFlags( nPos + mpImplLB->GetEntryList()->GetMRUCount(), nFlags );
}
ListBoxEntryFlags ListBox::GetEntryFlags( sal_Int32 nPos ) const
{
return mpImplLB->GetEntryList()->GetEntryFlags( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
}
void ListBox::SetTopEntry( sal_Int32 nPos )
{
mpImplLB->SetTopEntry( nPos + mpImplLB->GetEntryList()->GetMRUCount() );
}
sal_Int32 ListBox::GetTopEntry() const
{
sal_Int32 nPos = GetEntryCount() ? mpImplLB->GetTopEntry() : LISTBOX_ENTRY_NOTFOUND;
if ( nPos < mpImplLB->GetEntryList()->GetMRUCount() )
nPos = 0;
return nPos;
}
bool ListBox::IsTravelSelect() const
{
return mpImplLB->IsTravelSelect();
}
bool ListBox::IsInDropDown() const
{
return mpFloatWin && mpFloatWin->IsInPopupMode();
}
Rectangle ListBox::GetBoundingRectangle( sal_Int32 nItem ) const
{
Rectangle aRect = mpImplLB->GetMainWindow()->GetBoundingRectangle( nItem );
Rectangle aOffset = mpImplLB->GetMainWindow()->GetWindowExtentsRelative( static_cast<vcl::Window*>(const_cast<ListBox *>(this)) );
aRect.Move( aOffset.TopLeft().X(), aOffset.TopLeft().Y() );
return aRect;
}
void ListBox::EnableMultiSelection( bool bMulti )
{
EnableMultiSelection( bMulti, false );
}
void ListBox::EnableMultiSelection( bool bMulti, bool bStackSelection )
{
mpImplLB->EnableMultiSelection( bMulti, bStackSelection );
// WB_SIMPLEMODE:
// The MultiListBox behaves just like a normal ListBox
// MultiSelection is possible via corresponding additional keys
bool bSimpleMode = ( GetStyle() & WB_SIMPLEMODE ) != 0;
mpImplLB->SetMultiSelectionSimpleMode( bSimpleMode );
// In a MultiSelection, we can't see us travelling without focus
if ( mpFloatWin )
mpImplLB->GetMainWindow()->AllowGrabFocus( bMulti );
}
bool ListBox::IsMultiSelectionEnabled() const
{
return mpImplLB->IsMultiSelectionEnabled();
}
Size ListBox::CalcMinimumSize() const
{
Size aSz;
if (!mpImplLB)
return aSz;
aSz = CalcSubEditSize();
bool bAddScrollWidth = false;
if (IsDropDownBox())
{
aSz.Height() += 4; // add a space between entry and border
aSz.Width() += 4; // add a little breathing space
bAddScrollWidth = true;
}
else
bAddScrollWidth = (GetStyle() & WB_VSCROLL) == WB_VSCROLL;
if (bAddScrollWidth)
{
// Try native borders; scrollbar size may not be a good indicator
// See how large the edit area inside is to estimate what is needed for the dropdown
ImplControlValue aControlValue;
Point aPoint;
Rectangle aContent, aBound;
Size aTestSize( 100, 20 );
Rectangle aArea( aPoint, aTestSize );
if( GetNativeControlRegion( CTRL_LISTBOX, PART_SUB_EDIT, aArea, ControlState::NONE,
aControlValue, OUString(), aBound, aContent) )
{
// use the themes drop down size
aSz.Width() += aTestSize.Width() - aContent.GetWidth();
}
else
aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
}
aSz = CalcWindowSize( aSz );
if (IsDropDownBox()) // Check minimum height of dropdown box
{
ImplControlValue aControlValue;
Rectangle aRect( Point( 0, 0 ), aSz );
Rectangle aContent, aBound;
if( GetNativeControlRegion( CTRL_LISTBOX, PART_ENTIRE_CONTROL, aRect, ControlState::NONE,
aControlValue, OUString(), aBound, aContent) )
{
if( aBound.GetHeight() > aSz.Height() )
aSz.Height() = aBound.GetHeight();
}
}
return aSz;
}
Size ListBox::CalcSubEditSize() const
{
Size aSz;
if (!mpImplLB)
return aSz;
if ( !IsDropDownBox() )
aSz = mpImplLB->CalcSize (mnLineCount ? mnLineCount : mpImplLB->GetEntryList()->GetEntryCount());
else
{
aSz.Height() = mpImplLB->CalcSize( 1 ).Height();
// Size to maxmimum entry width
aSz.Width() = mpImplLB->GetMaxEntryWidth();
if (m_nMaxWidthChars != -1)
{
long nMaxWidth = m_nMaxWidthChars * approximate_char_width();
aSz.Width() = std::min(aSz.Width(), nMaxWidth);
}
// Do not create ultrathin ListBoxes, it doesn't look good
if( aSz.Width() < GetSettings().GetStyleSettings().GetScrollBarSize() )
aSz.Width() = GetSettings().GetStyleSettings().GetScrollBarSize();
}
return aSz;
}
Size ListBox::GetOptimalSize() const
{
return CalcMinimumSize();
}
Size ListBox::CalcAdjustedSize( const Size& rPrefSize ) const
{
Size aSz = rPrefSize;
sal_Int32 nLeft, nTop, nRight, nBottom;
static_cast<vcl::Window*>(const_cast<ListBox *>(this))->GetBorder( nLeft, nTop, nRight, nBottom );
aSz.Height() -= nTop+nBottom;
if ( !IsDropDownBox() )
{
long nEntryHeight = CalcBlockSize( 1, 1 ).Height();
long nLines = aSz.Height() / nEntryHeight;
if ( nLines < 1 )
nLines = 1;
aSz.Height() = nLines * nEntryHeight;
}
else
{
aSz.Height() = mnDDHeight;
}
aSz.Height() += nTop+nBottom;
aSz = CalcWindowSize( aSz );
return aSz;
}
Size ListBox::CalcBlockSize( sal_uInt16 nColumns, sal_uInt16 nLines ) const
{
// ScrollBars are shown if needed
Size aMinSz = CalcMinimumSize();
// aMinSz = ImplCalcOutSz( aMinSz );
Size aSz;
// Height
if ( nLines )
{
if ( !IsDropDownBox() )
aSz.Height() = mpImplLB->CalcSize( nLines ).Height();
else
aSz.Height() = mnDDHeight;
}
else
aSz.Height() = aMinSz.Height();
// Width
if ( nColumns )
aSz.Width() = nColumns * GetTextWidth( OUString('X') );
else
aSz.Width() = aMinSz.Width();
if ( IsDropDownBox() )
aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
if ( !IsDropDownBox() )
{
if ( aSz.Width() < aMinSz.Width() )
aSz.Height() += GetSettings().GetStyleSettings().GetScrollBarSize();
if ( aSz.Height() < aMinSz.Height() )
aSz.Width() += GetSettings().GetStyleSettings().GetScrollBarSize();
}
aSz = CalcWindowSize( aSz );
return aSz;
}
void ListBox::GetMaxVisColumnsAndLines( sal_uInt16& rnCols, sal_uInt16& rnLines ) const
{
float nCharWidth = approximate_char_width();
if ( !IsDropDownBox() )
{
Size aOutSz = mpImplLB->GetMainWindow()->GetOutputSizePixel();
rnCols = (sal_uInt16) (aOutSz.Width()/nCharWidth);
rnLines = (sal_uInt16) (aOutSz.Height()/mpImplLB->GetEntryHeight());
}
else
{
Size aOutSz = mpImplWin->GetOutputSizePixel();
rnCols = (sal_uInt16) (aOutSz.Width()/nCharWidth);
rnLines = 1;
}
}
void ListBox::ImplUserDrawHandler( UserDrawEvent* pEvent )
{
UserDraw( *pEvent );
}
void ListBox::UserDraw( const UserDrawEvent& )
{
}
void ListBox::DrawEntry(const UserDrawEvent& rEvt, bool bDrawImage, bool bDrawText, bool bDrawTextAtImagePos)
{
if (rEvt.GetWindow() == mpImplLB->GetMainWindow())
mpImplLB->GetMainWindow()->DrawEntry(*rEvt.GetRenderContext(), rEvt.GetItemId(), bDrawImage, bDrawText, bDrawTextAtImagePos );
else if (rEvt.GetWindow() == mpImplWin)
mpImplWin->DrawEntry(*rEvt.GetRenderContext(), bDrawImage, bDrawText, bDrawTextAtImagePos);
}
void ListBox::SetUserItemSize( const Size& rSz )
{
mpImplLB->GetMainWindow()->SetUserItemSize( rSz );
if ( mpImplWin )
mpImplWin->SetUserItemSize( rSz );
}
void ListBox::EnableUserDraw( bool bUserDraw )
{
mpImplLB->GetMainWindow()->EnableUserDraw( bUserDraw );
if ( mpImplWin )
mpImplWin->EnableUserDraw( bUserDraw );
}
void ListBox::SetReadOnly( bool bReadOnly )
{
if ( mpImplLB->IsReadOnly() != bReadOnly )
{
mpImplLB->SetReadOnly( bReadOnly );
CompatStateChanged( StateChangedType::ReadOnly );
}
}
bool ListBox::IsReadOnly() const
{
return mpImplLB->IsReadOnly();
}
void ListBox::SetSeparatorPos( sal_Int32 n )
{
mpImplLB->SetSeparatorPos( n );
}
sal_Int32 ListBox::GetSeparatorPos() const
{
return mpImplLB->GetSeparatorPos();
}
sal_uInt16 ListBox::GetDisplayLineCount() const
{
return mpImplLB->GetDisplayLineCount();
}
void ListBox::EnableMirroring()
{
mpImplLB->EnableMirroring();
}
Rectangle ListBox::GetDropDownPosSizePixel() const
{
return mpFloatWin ? mpFloatWin->GetWindowExtentsRelative( const_cast<ListBox*>(this) ) : Rectangle();
}
const Wallpaper& ListBox::GetDisplayBackground() const
{
// !!! Recursion does not occur because the ImplListBox is initialized by default
// to a non-transparent color in Window::ImplInitData
return mpImplLB->GetDisplayBackground();
}
void ListBox::setMaxWidthChars(sal_Int32 nWidth)
{
if (nWidth != m_nMaxWidthChars)
{
m_nMaxWidthChars = nWidth;
queue_resize();
}
}
bool ListBox::set_property(const OString &rKey, const OString &rValue)
{
if (rKey == "active")
SelectEntryPos(rValue.toInt32());
else if (rKey == "max-width-chars")
setMaxWidthChars(rValue.toInt32());
else
return Control::set_property(rKey, rValue);
return true;
}
void ListBox::SetEdgeBlending(bool bNew)
{
if(mbEdgeBlending != bNew)
{
mbEdgeBlending = bNew;
if(IsDropDownBox())
{
assert(mpImplWin);
mpImplWin->Invalidate();
}
else
{
mpImplLB->Invalidate();
}
if(mpImplWin)
{
mpImplWin->SetEdgeBlending(GetEdgeBlending());
}
if(mpImplLB)
{
mpImplLB->SetEdgeBlending(GetEdgeBlending());
}
Invalidate();
}
}
MultiListBox::MultiListBox( vcl::Window* pParent, WinBits nStyle ) :
ListBox( WINDOW_MULTILISTBOX )
{
ImplInit( pParent, nStyle );
EnableMultiSelection( true );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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