/* -*- 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 <vcl/svapp.hxx>
#include <vcl/timer.hxx>
#include <vcl/settings.hxx>
#include <vcl/window.hxx>
#include <vcl/cursor.hxx>
#include <window.h>
#include <tools/poly.hxx>
// =======================================================================
struct ImplCursorData
{
AutoTimer maTimer; // Timer
Point maPixPos; // Pixel-Position
Point maPixRotOff; // Pixel-Offset-Position
Size maPixSize; // Pixel-Size
long mnPixSlant; // Pixel-Slant
short mnOrientation; // Pixel-Orientation
unsigned char mnDirection; // indicates writing direction
sal_uInt16 mnStyle; // Cursor-Style
bool mbCurVisible; // Ist Cursor aktuell sichtbar
Window* mpWindow; // Zugeordnetes Windows
};
// =======================================================================
static void ImplCursorInvert( ImplCursorData* pData )
{
Window* pWindow = pData->mpWindow;
bool bMapMode = pWindow->IsMapModeEnabled();
pWindow->EnableMapMode( false );
sal_uInt16 nInvertStyle;
if ( pData->mnStyle & CURSOR_SHADOW )
nInvertStyle = INVERT_50;
else
nInvertStyle = 0;
Rectangle aRect( pData->maPixPos, pData->maPixSize );
if ( pData->mnDirection || pData->mnOrientation || pData->mnPixSlant )
{
Polygon aPoly( aRect );
if( aPoly.GetSize() == 5 )
{
aPoly[1].X() += 1; // include the right border
aPoly[2].X() += 1;
if ( pData->mnPixSlant )
{
Point aPoint = aPoly.GetPoint( 0 );
aPoint.X() += pData->mnPixSlant;
aPoly.SetPoint( aPoint, 0 );
aPoly.SetPoint( aPoint, 4 );
aPoint = aPoly.GetPoint( 1 );
aPoint.X() += pData->mnPixSlant;
aPoly.SetPoint( aPoint, 1 );
}
// apply direction flag after slant to use the correct shape
if ( pData->mnDirection )
{
Point pAry[7];
int delta = 3*aRect.getWidth()+1;
if( pData->mnDirection == CURSOR_DIRECTION_LTR )
{
// left-to-right
pAry[0] = aPoly.GetPoint( 0 );
pAry[1] = aPoly.GetPoint( 1 );
pAry[2] = pAry[1];
pAry[2].X() += delta;
pAry[3] = pAry[1];
pAry[3].Y() += delta;
pAry[4] = aPoly.GetPoint( 2 );
pAry[5] = aPoly.GetPoint( 3 );
pAry[6] = aPoly.GetPoint( 4 );
}
else if( pData->mnDirection == CURSOR_DIRECTION_RTL )
{
// right-to-left
pAry[0] = aPoly.GetPoint( 0 );
pAry[1] = aPoly.GetPoint( 1 );
pAry[2] = aPoly.GetPoint( 2 );
pAry[3] = aPoly.GetPoint( 3 );
pAry[4] = pAry[0];
pAry[4].Y() += delta;
pAry[5] = pAry[0];
pAry[5].X() -= delta;
pAry[6] = aPoly.GetPoint( 4 );
}
aPoly = Polygon( 7, pAry);
}
if ( pData->mnOrientation )
aPoly.Rotate( pData->maPixRotOff, pData->mnOrientation );
pWindow->Invert( aPoly, nInvertStyle );
}
}
else
pWindow->Invert( aRect, nInvertStyle );
pWindow->EnableMapMode( bMapMode );
}
// -----------------------------------------------------------------------
void Cursor::ImplDraw()
{
if ( mpData && mpData->mpWindow && !mpData->mbCurVisible )
{
Window* pWindow = mpData->mpWindow;
mpData->maPixPos = pWindow->LogicToPixel( maPos );
mpData->maPixSize = pWindow->LogicToPixel( maSize );
mpData->mnPixSlant = pWindow->LogicToPixel( Size( mnSlant, 0 ) ).Width();
mpData->mnOrientation = mnOrientation;
mpData->mnDirection = mnDirection;
long nOffsetY = pWindow->LogicToPixel( Size( 0, mnOffsetY ) ).Height();
// Position um den Offset korrigieren
mpData->maPixPos.Y() -= nOffsetY;
mpData->maPixRotOff = mpData->maPixPos;
mpData->maPixRotOff.Y() += nOffsetY;
// Wenn groesse 0 ist, nehmen wir die breite, die in den
// Settings eingestellt ist
if ( !mpData->maPixSize.Width() )
mpData->maPixSize.Width() = pWindow->GetSettings().GetStyleSettings().GetCursorSize();
// Ausgabeflaeche berechnen und ausgeben
ImplCursorInvert( mpData );
mpData->mbCurVisible = true;
}
}
// -----------------------------------------------------------------------
void Cursor::ImplRestore()
{
if ( mpData && mpData->mbCurVisible )
{
ImplCursorInvert( mpData );
mpData->mbCurVisible = false;
}
}
void Cursor::ImplDoShow( bool bDrawDirect, bool bRestore )
{
if ( mbVisible )
{
Window* pWindow;
if ( mpWindow )
pWindow = mpWindow;
else
{
// Gibt es ein aktives Fenster und ist der Cursor in dieses Fenster
// selektiert, dann zeige den Cursor an
pWindow = Application::GetFocusWindow();
if ( !pWindow || (pWindow->mpWindowImpl->mpCursor != this) || pWindow->mpWindowImpl->mbInPaint
|| !pWindow->mpWindowImpl->mpFrameData->mbHasFocus )
pWindow = NULL;
}
if ( pWindow )
{
if ( !mpData )
{
mpData = new ImplCursorData;
mpData->mbCurVisible = false;
mpData->maTimer.SetTimeoutHdl( LINK( this, Cursor, ImplTimerHdl ) );
}
mpData->mpWindow = pWindow;
mpData->mnStyle = mnStyle;
if ( bDrawDirect || bRestore )
ImplDraw();
if ( !mpWindow && ! ( ! bDrawDirect && mpData->maTimer.IsActive()) )
{
mpData->maTimer.SetTimeout( pWindow->GetSettings().GetStyleSettings().GetCursorBlinkTime() );
if ( mpData->maTimer.GetTimeout() != STYLE_CURSOR_NOBLINKTIME )
mpData->maTimer.Start();
else if ( !mpData->mbCurVisible )
ImplDraw();
}
}
}
}
bool Cursor::ImplDoHide( bool bSuspend )
{
bool bWasCurVisible = false;
if ( mpData && mpData->mpWindow )
{
bWasCurVisible = mpData->mbCurVisible;
if ( mpData->mbCurVisible )
ImplRestore();
if ( !bSuspend )
{
mpData->maTimer.Stop();
mpData->mpWindow = NULL;
}
}
return bWasCurVisible;
}
void Cursor::ImplShow( bool bDrawDirect )
{
ImplDoShow( bDrawDirect, false );
}
void Cursor::ImplHide( bool i_bStopTimer )
{
assert( i_bStopTimer );
ImplDoHide( !i_bStopTimer );
}
void Cursor::ImplResume( bool bRestore )
{
ImplDoShow( false, bRestore );
}
bool Cursor::ImplSuspend()
{
return ImplDoHide( true );
}
void Cursor::ImplNew()
{
if ( mbVisible && mpData && mpData->mpWindow )
{
if ( mpData->mbCurVisible )
ImplRestore();
ImplDraw();
if ( !mpWindow )
{
if ( mpData->maTimer.GetTimeout() != STYLE_CURSOR_NOBLINKTIME )
mpData->maTimer.Start();
}
}
}
// -----------------------------------------------------------------------
IMPL_LINK_NOARG(Cursor, ImplTimerHdl)
{
if ( mpData->mbCurVisible )
ImplRestore();
else
ImplDraw();
return 0;
}
// =======================================================================
Cursor::Cursor()
{
mpData = NULL;
mpWindow = NULL;
mnSlant = 0;
mnOffsetY = 0;
mnOrientation = 0;
mnDirection = 0;
mnStyle = 0;
mbVisible = false;
}
// -----------------------------------------------------------------------
Cursor::Cursor( const Cursor& rCursor ) :
maSize( rCursor.maSize ),
maPos( rCursor.maPos )
{
mpData = NULL;
mpWindow = NULL;
mnSlant = rCursor.mnSlant;
mnOrientation = rCursor.mnOrientation;
mnDirection = rCursor.mnDirection;
mnStyle = 0;
mbVisible = rCursor.mbVisible;
}
// -----------------------------------------------------------------------
Cursor::~Cursor()
{
if ( mpData )
{
if ( mpData->mbCurVisible )
ImplRestore();
delete mpData;
}
}
// -----------------------------------------------------------------------
void Cursor::SetStyle( sal_uInt16 nStyle )
{
if ( mnStyle != nStyle )
{
mnStyle = nStyle;
ImplNew();
}
}
// -----------------------------------------------------------------------
void Cursor::Show()
{
if ( !mbVisible )
{
mbVisible = true;
ImplShow();
}
}
// -----------------------------------------------------------------------
void Cursor::Hide()
{
if ( mbVisible )
{
mbVisible = false;
ImplHide( true );
}
}
// -----------------------------------------------------------------------
void Cursor::SetWindow( Window* pWindow )
{
if ( mpWindow != pWindow )
{
mpWindow = pWindow;
ImplNew();
}
}
// -----------------------------------------------------------------------
void Cursor::SetPos( const Point& rPoint )
{
if ( maPos != rPoint )
{
maPos = rPoint;
ImplNew();
}
}
// -----------------------------------------------------------------------
void Cursor::SetSize( const Size& rSize )
{
if ( maSize != rSize )
{
maSize = rSize;
ImplNew();
}
}
// -----------------------------------------------------------------------
void Cursor::SetWidth( long nNewWidth )
{
if ( maSize.Width() != nNewWidth )
{
maSize.Width() = nNewWidth;
ImplNew();
}
}
// -----------------------------------------------------------------------
void Cursor::SetOrientation( short nNewOrientation )
{
if ( mnOrientation != nNewOrientation )
{
mnOrientation = nNewOrientation;
ImplNew();
}
}
// -----------------------------------------------------------------------
void Cursor::SetDirection( unsigned char nNewDirection )
{
if ( mnDirection != nNewDirection )
{
mnDirection = nNewDirection;
ImplNew();
}
}
// -----------------------------------------------------------------------
Cursor& Cursor::operator=( const Cursor& rCursor )
{
maPos = rCursor.maPos;
maSize = rCursor.maSize;
mnSlant = rCursor.mnSlant;
mnOrientation = rCursor.mnOrientation;
mnDirection = rCursor.mnDirection;
mbVisible = rCursor.mbVisible;
ImplNew();
return *this;
}
// -----------------------------------------------------------------------
bool Cursor::operator==( const Cursor& rCursor ) const
{
return
((maPos == rCursor.maPos) &&
(maSize == rCursor.maSize) &&
(mnSlant == rCursor.mnSlant) &&
(mnOrientation == rCursor.mnOrientation) &&
(mnDirection == rCursor.mnDirection) &&
(mbVisible == rCursor.mbVisible))
;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */