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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 <comphelper/processfactory.hxx>
#include <tools/rc.h>
#include <vcl/svapp.hxx>
#include <vcl/event.hxx>
#include <vcl/ctrl.hxx>
#include <vcl/decoview.hxx>
#include <vcl/salnativewidgets.hxx>
#include <vcl/settings.hxx>
#include <textlayout.hxx>
#include <svdata.hxx>
#include <controldata.hxx>
using namespace vcl;
void Control::ImplInitControlData()
{
mbHasControlFocus = false;
mbFont = false;
mbForeground = false;
mbShowAccelerator = false;
mpControlData = new ImplControlData;
}
Control::Control( WindowType nType ) :
Window( nType )
{
ImplInitControlData();
}
Control::Control( vcl::Window* pParent, WinBits nStyle ) :
Window( WINDOW_CONTROL )
{
ImplInitControlData();
ImplInit( pParent, nStyle, NULL );
}
Control::Control( vcl::Window* pParent, const ResId& rResId ) :
Window( WINDOW_CONTROL )
{
ImplInitControlData();
rResId.SetRT( RSC_CONTROL );
WinBits nStyle = ImplInitRes( rResId );
ImplInit( pParent, nStyle, NULL );
ImplLoadRes( rResId );
if ( !(nStyle & WB_HIDE) )
Show();
}
Control::~Control()
{
disposeOnce();
}
void Control::dispose()
{
delete mpControlData, mpControlData = NULL;
Window::dispose();
}
void Control::EnableRTL( bool bEnable )
{
// convenience: for controls also switch layout mode
SetLayoutMode( bEnable ? TEXT_LAYOUT_BIDI_RTL | TEXT_LAYOUT_TEXTORIGIN_LEFT :
TEXT_LAYOUT_TEXTORIGIN_LEFT );
CompatStateChanged( StateChangedType::Mirroring );
OutputDevice::EnableRTL(bEnable);
}
void Control::GetFocus()
{
Window::GetFocus();
}
void Control::LoseFocus()
{
Window::LoseFocus();
}
void Control::Resize()
{
ImplClearLayoutData();
Window::Resize();
}
void Control::FillLayoutData() const
{
}
void Control::CreateLayoutData() const
{
DBG_ASSERT( !mpControlData->mpLayoutData, "Control::CreateLayoutData: should be called with non-existent layout data only!" );
mpControlData->mpLayoutData = new vcl::ControlLayoutData();
}
bool Control::HasLayoutData() const
{
return mpControlData && mpControlData->mpLayoutData != NULL;
}
void Control::SetText( const OUString& rStr )
{
ImplClearLayoutData();
Window::SetText( rStr );
}
ControlLayoutData::ControlLayoutData() : m_pParent( NULL )
{
}
Rectangle ControlLayoutData::GetCharacterBounds( long nIndex ) const
{
return (nIndex >= 0 && nIndex < (long) m_aUnicodeBoundRects.size()) ? m_aUnicodeBoundRects[ nIndex ] : Rectangle();
}
Rectangle Control::GetCharacterBounds( long nIndex ) const
{
if( !HasLayoutData() )
FillLayoutData();
return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetCharacterBounds( nIndex ) : Rectangle();
}
long ControlLayoutData::GetIndexForPoint( const Point& rPoint ) const
{
long nIndex = -1;
for( long i = m_aUnicodeBoundRects.size()-1; i >= 0; i-- )
{
Point aTopLeft = m_aUnicodeBoundRects[i].TopLeft();
Point aBottomRight = m_aUnicodeBoundRects[i].BottomRight();
if (rPoint.X() >= aTopLeft.X() && rPoint.Y() >= aTopLeft.Y() &&
rPoint.X() <= aBottomRight.X() && rPoint.Y() <= aBottomRight.Y())
{
nIndex = i;
break;
}
}
return nIndex;
}
long Control::GetIndexForPoint( const Point& rPoint ) const
{
if( ! HasLayoutData() )
FillLayoutData();
return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetIndexForPoint( rPoint ) : -1;
}
long ControlLayoutData::GetLineCount() const
{
long nLines = m_aLineIndices.size();
if( nLines == 0 && !m_aDisplayText.isEmpty() )
nLines = 1;
return nLines;
}
Pair ControlLayoutData::GetLineStartEnd( long nLine ) const
{
Pair aPair( -1, -1 );
int nDisplayLines = m_aLineIndices.size();
if( nLine >= 0 && nLine < nDisplayLines )
{
aPair.A() = m_aLineIndices[nLine];
if( nLine+1 < nDisplayLines )
aPair.B() = m_aLineIndices[nLine+1]-1;
else
aPair.B() = m_aDisplayText.getLength()-1;
}
else if( nLine == 0 && nDisplayLines == 0 && !m_aDisplayText.isEmpty() )
{
// special case for single line controls so the implementations
// in that case do not have to fill in the line indices
aPair.A() = 0;
aPair.B() = m_aDisplayText.getLength()-1;
}
return aPair;
}
Pair Control::GetLineStartEnd( long nLine ) const
{
if( !HasLayoutData() )
FillLayoutData();
return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->GetLineStartEnd( nLine ) : Pair( -1, -1 );
}
long ControlLayoutData::ToRelativeLineIndex( long nIndex ) const
{
// is the index sensible at all ?
if( nIndex >= 0 && nIndex < m_aDisplayText.getLength() )
{
int nDisplayLines = m_aLineIndices.size();
// if only 1 line exists, then absolute and relative index are
// identical -> do nothing
if( nDisplayLines > 1 )
{
int nLine;
for( nLine = nDisplayLines-1; nLine >= 0; nLine-- )
{
if( m_aLineIndices[nLine] <= nIndex )
{
nIndex -= m_aLineIndices[nLine];
break;
}
}
if( nLine < 0 )
{
DBG_ASSERT( nLine >= 0, "ToRelativeLineIndex failed" );
nIndex = -1;
}
}
}
else
nIndex = -1;
return nIndex;
}
long Control::ToRelativeLineIndex( long nIndex ) const
{
if( !HasLayoutData() )
FillLayoutData();
return mpControlData->mpLayoutData ? mpControlData->mpLayoutData->ToRelativeLineIndex( nIndex ) : -1;
}
OUString Control::GetDisplayText() const
{
if( !HasLayoutData() )
FillLayoutData();
return mpControlData->mpLayoutData ? OUString(mpControlData->mpLayoutData->m_aDisplayText) : GetText();
}
bool Control::Notify( NotifyEvent& rNEvt )
{
// tdf#91081 if control is not valid, skip the emission - chaining to the parent
if (mpControlData)
{
if ( rNEvt.GetType() == MouseNotifyEvent::GETFOCUS )
{
if ( !mbHasControlFocus )
{
mbHasControlFocus = true;
CompatStateChanged( StateChangedType::ControlFocus );
if ( ImplCallEventListenersAndHandler( VCLEVENT_CONTROL_GETFOCUS, maGetFocusHdl, this ) )
// been destroyed within the handler
return true;
}
}
else
{
if ( rNEvt.GetType() == MouseNotifyEvent::LOSEFOCUS )
{
vcl::Window* pFocusWin = Application::GetFocusWindow();
if ( !pFocusWin || !ImplIsWindowOrChild( pFocusWin ) )
{
mbHasControlFocus = false;
CompatStateChanged( StateChangedType::ControlFocus );
if ( ImplCallEventListenersAndHandler( VCLEVENT_CONTROL_LOSEFOCUS, maLoseFocusHdl, this ) )
// been destroyed within the handler
return true;
}
}
}
}
return Window::Notify( rNEvt );
}
void Control::StateChanged( StateChangedType nStateChange )
{
if( nStateChange == StateChangedType::InitShow ||
nStateChange == StateChangedType::Visible ||
nStateChange == StateChangedType::Zoom ||
nStateChange == StateChangedType::Border ||
nStateChange == StateChangedType::ControlFont
)
{
ImplClearLayoutData();
}
Window::StateChanged( nStateChange );
}
void Control::AppendLayoutData( const Control& rSubControl ) const
{
if( !rSubControl.HasLayoutData() )
rSubControl.FillLayoutData();
if( !rSubControl.HasLayoutData() || rSubControl.mpControlData->mpLayoutData->m_aDisplayText.isEmpty() )
return;
long nCurrentIndex = mpControlData->mpLayoutData->m_aDisplayText.getLength();
mpControlData->mpLayoutData->m_aDisplayText += rSubControl.mpControlData->mpLayoutData->m_aDisplayText;
int nLines = rSubControl.mpControlData->mpLayoutData->m_aLineIndices.size();
int n;
mpControlData->mpLayoutData->m_aLineIndices.push_back( nCurrentIndex );
for( n = 1; n < nLines; n++ )
mpControlData->mpLayoutData->m_aLineIndices.push_back( rSubControl.mpControlData->mpLayoutData->m_aLineIndices[n] + nCurrentIndex );
int nRectangles = rSubControl.mpControlData->mpLayoutData->m_aUnicodeBoundRects.size();
Rectangle aRel = const_cast<Control&>(rSubControl).GetWindowExtentsRelative( const_cast<Control*>(this) );
for( n = 0; n < nRectangles; n++ )
{
Rectangle aRect = rSubControl.mpControlData->mpLayoutData->m_aUnicodeBoundRects[n];
aRect.Move( aRel.Left(), aRel.Top() );
mpControlData->mpLayoutData->m_aUnicodeBoundRects.push_back( aRect );
}
}
bool Control::ImplCallEventListenersAndHandler( sal_uLong nEvent, const Link<>& rHandler, void* pCaller )
{
VclPtr<Control> xThis(this);
CallEventListeners( nEvent );
if ( !xThis->IsDisposed() )
{
rHandler.Call( pCaller );
if ( !xThis->IsDisposed() )
return false;
}
return true;
}
void Control::SetLayoutDataParent( const Control* pParent ) const
{
if( HasLayoutData() )
mpControlData->mpLayoutData->m_pParent = pParent;
}
void Control::ImplClearLayoutData() const
{
if (mpControlData)
{
delete mpControlData->mpLayoutData;
mpControlData->mpLayoutData = NULL;
}
}
void Control::ImplDrawFrame( OutputDevice* pDev, Rectangle& rRect )
{
// use a deco view to draw the frame
// However, since there happens a lot of magic there, we need to fake some (style) settings
// on the device
AllSettings aOriginalSettings( pDev->GetSettings() );
AllSettings aNewSettings( aOriginalSettings );
StyleSettings aStyle( aNewSettings.GetStyleSettings() );
// The *only known* clients of the Draw methods of the various VCL-controls are form controls:
// During print preview, and during printing, Draw is called. Thus, drawing always happens with a
// mono (colored) border
aStyle.SetOptions( aStyle.GetOptions() | StyleSettingsOptions::Mono );
aStyle.SetMonoColor( GetSettings().GetStyleSettings().GetMonoColor() );
aNewSettings.SetStyleSettings( aStyle );
// #i67023# do not call data changed listeners for this fake
// since they may understandably invalidate on settings changed
pDev->OutputDevice::SetSettings( aNewSettings );
DecorationView aDecoView( pDev );
rRect = aDecoView.DrawFrame( rRect, DrawFrameStyle::Out, DrawFrameFlags::WindowBorder );
pDev->OutputDevice::SetSettings( aOriginalSettings );
}
void Control::SetShowAccelerator(bool bVal)
{
mbShowAccelerator = bVal;
};
ControlLayoutData::~ControlLayoutData()
{
if( m_pParent )
m_pParent->ImplClearLayoutData();
}
Size Control::GetOptimalSize() const
{
return Size( GetTextWidth( GetText() ) + 2 * 12,
GetTextHeight() + 2 * 6 );
}
void Control::SetReferenceDevice( OutputDevice* _referenceDevice )
{
if ( mpControlData->mpReferenceDevice == _referenceDevice )
return;
mpControlData->mpReferenceDevice = _referenceDevice;
Invalidate();
}
OutputDevice* Control::GetReferenceDevice() const
{
return mpControlData->mpReferenceDevice;
}
const vcl::Font& Control::GetCanonicalFont( const StyleSettings& _rStyle ) const
{
return _rStyle.GetLabelFont();
}
const Color& Control::GetCanonicalTextColor( const StyleSettings& _rStyle ) const
{
return _rStyle.GetLabelTextColor();
}
void Control::ApplySettings(vcl::RenderContext& rRenderContext)
{
const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
if (mbFont)
{
vcl::Font rFont(GetCanonicalFont(rStyleSettings));
ApplyControlFont(rRenderContext, rFont);
}
if (mbFont || mbForeground)
{
ApplyControlForeground(rRenderContext, GetCanonicalTextColor(rStyleSettings));
rRenderContext.SetTextFillColor();
}
}
void Control::ImplInitSettings(const bool _bFont, const bool _bForeground)
{
mbFont = _bFont;
mbForeground = _bForeground;
ApplySettings(*this);
}
void Control::DrawControlText( OutputDevice& _rTargetDevice, Rectangle& _io_rRect, const OUString& _rStr,
DrawTextFlags _nStyle, MetricVector* _pVector, OUString* _pDisplayText ) const
{
OUString rPStr = _rStr;
DrawTextFlags nPStyle = _nStyle;
bool accel = ImplGetSVData()->maNWFData.mbEnableAccel;
bool autoacc = ImplGetSVData()->maNWFData.mbAutoAccel;
if (!accel || (autoacc && !mbShowAccelerator))
{
rPStr = GetNonMnemonicString( _rStr );
nPStyle &= ~DrawTextFlags::HideMnemonic;
}
if ( !mpControlData->mpReferenceDevice || ( mpControlData->mpReferenceDevice == &_rTargetDevice ) )
{
_io_rRect = _rTargetDevice.GetTextRect( _io_rRect, rPStr, nPStyle );
_rTargetDevice.DrawText( _io_rRect, rPStr, nPStyle, _pVector, _pDisplayText );
}
else
{
ControlTextRenderer aRenderer( *this, _rTargetDevice, *mpControlData->mpReferenceDevice );
_io_rRect = aRenderer.DrawText( _io_rRect, rPStr, nPStyle, _pVector, _pDisplayText );
}
}
Font
Control::GetUnzoomedControlPointFont() const
{
Font aFont(GetCanonicalFont(GetSettings().GetStyleSettings()));
if (IsControlFont())
aFont.Merge(GetControlFont());
return aFont;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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