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/*************************************************************************
*
* $RCSfile: progressbar.cxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: as $ $Date: 2001-08-10 12:04:10 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
//____________________________________________________________________________________________________________
// my own includes
//____________________________________________________________________________________________________________
#ifndef _UNOCONTROLS_PROGRESSBAR_CTRL_HXX
#include "progressbar.hxx"
#endif
//____________________________________________________________________________________________________________
// includes of other projects
//____________________________________________________________________________________________________________
#ifndef _COM_SUN_STAR_AWT_GRADIENTSTYLE_HPP_
#include <com/sun/star/awt/GradientStyle.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_RASTEROPERATION_HPP_
#include <com/sun/star/awt/RasterOperation.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_GRADIENT_HPP_
#include <com/sun/star/awt/Gradient.hpp>
#endif
#ifndef _COM_SUN_STAR_AWT_XGRAPHICS_HPP_
#include <com/sun/star/awt/XGraphics.hpp>
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif
#ifndef _CPPUHELPER_TYPEPROVIDER_HXX_
#include <cppuhelper/typeprovider.hxx>
#endif
#include <math.h>
//____________________________________________________________________________________________________________
// includes of my project
//____________________________________________________________________________________________________________
//____________________________________________________________________________________________________________
// namespace
//____________________________________________________________________________________________________________
using namespace ::cppu ;
using namespace ::osl ;
using namespace ::rtl ;
using namespace ::com::sun::star::uno ;
using namespace ::com::sun::star::lang ;
using namespace ::com::sun::star::awt ;
namespace unocontrols{
//____________________________________________________________________________________________________________
// construct/destruct
//____________________________________________________________________________________________________________
ProgressBar::ProgressBar( const Reference< XMultiServiceFactory >& xFactory )
: BaseControl ( xFactory )
, m_bHorizontal ( DEFAULT_HORIZONTAL )
, m_aBlockSize ( DEFAULT_BLOCKDIMENSION )
, m_nBackgroundColor ( DEFAULT_BACKGROUNDCOLOR )
, m_nForegroundColor ( DEFAULT_FOREGROUNDCOLOR )
, m_nMinRange ( DEFAULT_MINRANGE )
, m_nMaxRange ( DEFAULT_MAXRANGE )
, m_nBlockValue ( DEFAULT_BLOCKVALUE )
, m_nValue ( DEFAULT_VALUE )
{
}
ProgressBar::~ProgressBar()
{
}
//____________________________________________________________________________________________________________
// XInterface
//____________________________________________________________________________________________________________
Any SAL_CALL ProgressBar::queryInterface( const Type& rType ) throw( RuntimeException )
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
Any aReturn ;
Reference< XInterface > xDelegator = BaseControl::impl_getDelegator();
if ( xDelegator.is() == sal_True )
{
// If an delegator exist, forward question to his queryInterface.
// Delegator will ask his own queryAggregation!
aReturn = xDelegator->queryInterface( rType );
}
else
{
// If an delegator unknown, forward question to own queryAggregation.
aReturn = queryAggregation( rType );
}
return aReturn ;
}
//____________________________________________________________________________________________________________
// XInterface
//____________________________________________________________________________________________________________
void SAL_CALL ProgressBar::acquire() throw( RuntimeException )
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
// Forward to baseclass
BaseControl::acquire();
}
//____________________________________________________________________________________________________________
// XInterface
//____________________________________________________________________________________________________________
void SAL_CALL ProgressBar::release() throw( RuntimeException )
{
// Attention:
// Don't use mutex or guard in this method!!! Is a method of XInterface.
// Forward to baseclass
BaseControl::release();
}
//____________________________________________________________________________________________________________
// XTypeProvider
//____________________________________________________________________________________________________________
Sequence< Type > SAL_CALL ProgressBar::getTypes() throw( RuntimeException )
{
// Optimize this method !
// We initialize a static variable only one time. And we don't must use a mutex at every call!
// For the first call; pTypeCollection is NULL - for the second call pTypeCollection is different from NULL!
static OTypeCollection* pTypeCollection = NULL ;
if ( pTypeCollection == NULL )
{
// Ready for multithreading; get global mutex for first call of this method only! see before
MutexGuard aGuard( Mutex::getGlobalMutex() );
// Control these pointer again ... it can be, that another instance will be faster then these!
if ( pTypeCollection == NULL )
{
// Create a static typecollection ...
static OTypeCollection aTypeCollection ( ::getCppuType(( const Reference< XControlModel >*)NULL ) ,
::getCppuType(( const Reference< XProgressBar >*)NULL ) ,
BaseControl::getTypes()
);
// ... and set his address to static pointer!
pTypeCollection = &aTypeCollection ;
}
}
return pTypeCollection->getTypes();
}
//____________________________________________________________________________________________________________
// XAggregation
//____________________________________________________________________________________________________________
Any SAL_CALL ProgressBar::queryAggregation( const Type& aType ) throw( RuntimeException )
{
// Ask for my own supported interfaces ...
// Attention: XTypeProvider and XInterface are supported by OComponentHelper!
Any aReturn ( ::cppu::queryInterface( aType ,
static_cast< XControlModel* > ( this ) ,
static_cast< XProgressBar* > ( this )
)
);
// If searched interface not supported by this class ...
if ( aReturn.hasValue() == sal_False )
{
// ... ask baseclasses.
aReturn = BaseControl::queryAggregation( aType );
}
return aReturn ;
}
//____________________________________________________________________________________________________________
// XProgressBar
//____________________________________________________________________________________________________________
void SAL_CALL ProgressBar::setForegroundColor( sal_Int32 nColor ) throw( RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard (m_aMutex) ;
// Safe color for later use.
m_nForegroundColor = nColor ;
// Repaint control
impl_paint ( 0, 0, impl_getGraphicsPeer() ) ;
}
//____________________________________________________________________________________________________________
// XProgressBar
//____________________________________________________________________________________________________________
void SAL_CALL ProgressBar::setBackgroundColor ( sal_Int32 nColor ) throw( RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard (m_aMutex) ;
// Safe color for later use.
m_nBackgroundColor = nColor ;
// Repaint control
impl_paint ( 0, 0, impl_getGraphicsPeer() ) ;
}
//____________________________________________________________________________________________________________
// XProgressBar
//____________________________________________________________________________________________________________
void SAL_CALL ProgressBar::setValue ( sal_Int32 nValue ) throw( RuntimeException )
{
// This method is defined for follow things:
// 1) Values >= _nMinRange
// 2) Values <= _nMaxRange
// Ready for multithreading
MutexGuard aGuard (m_aMutex) ;
// save impossible cases
// This method is only defined for valid values
DBG_ASSERT ( (( nValue >= m_nMinRange ) && ( nValue <= m_nMaxRange )), "ProgressBar::setValue()\nNot valid value.\n" ) ;
// If new value not valid ... do nothing in release version!
if (
( nValue >= m_nMinRange ) &&
( nValue <= m_nMaxRange )
)
{
// New value is ok => save this
m_nValue = nValue ;
// Repaint to display changes
impl_paint ( 0, 0, impl_getGraphicsPeer() ) ;
}
}
//____________________________________________________________________________________________________________
// XProgressBar
//____________________________________________________________________________________________________________
void SAL_CALL ProgressBar::setRange ( sal_Int32 nMin, sal_Int32 nMax ) throw( RuntimeException )
{
// This method is defined for follow things:
// 1) All values of sal_Int32
// 2) Min < Max
// 3) Min > Max
// save impossible cases
// This method is only defined for valid values
// If you ignore this, the release version wil produce an error "division by zero" in "ProgressBar::setValue()"!
DBG_ASSERT ( ( nMin != nMax ) , "ProgressBar::setRange()\nValues for MIN and MAX are the same. This is not allowed!\n" ) ;
// Ready for multithreading
MutexGuard aGuard (m_aMutex) ;
// control the values for min and max
if ( nMin < nMax )
{
// Take correct Min and Max
m_nMinRange = nMin ;
m_nMaxRange = nMax ;
}
else
{
// Change Min and Max automaticly
m_nMinRange = nMax ;
m_nMaxRange = nMin ;
}
impl_recalcRange () ;
// Do not repaint the control at this place!!!
// An old "m_nValue" is set and can not be correct for this new range.
// Next call of "ProgressBar::setValue()" do this.
}
//____________________________________________________________________________________________________________
// XProgressBar
//____________________________________________________________________________________________________________
sal_Int32 SAL_CALL ProgressBar::getValue () throw( RuntimeException )
{
// Ready for multithreading
MutexGuard aGuard (m_aMutex) ;
return ( m_nValue ) ;
}
//____________________________________________________________________________________________________________
// XWindow
//____________________________________________________________________________________________________________
void SAL_CALL ProgressBar::setPosSize ( sal_Int32 nX, sal_Int32 nY, sal_Int32 nWidth, sal_Int32 nHeight, sal_Int16 nFlags ) throw( RuntimeException )
{
// Take old size BEFORE you set the new values at baseclass!
// You will control changes. At the other way, the values are the same!
Rectangle aBasePosSize = getPosSize () ;
BaseControl::setPosSize (nX, nY, nWidth, nHeight, nFlags) ;
// Do only, if size has changed.
if (
( nWidth != aBasePosSize.Width ) ||
( nHeight != aBasePosSize.Height )
)
{
impl_recalcRange ( ) ;
impl_paint ( 0, 0, impl_getGraphicsPeer () ) ;
}
}
//____________________________________________________________________________________________________________
// XControl
//____________________________________________________________________________________________________________
sal_Bool SAL_CALL ProgressBar::setModel( const Reference< XControlModel >& xModel ) throw( RuntimeException )
{
// A model is not possible for this control.
return sal_False ;
}
//____________________________________________________________________________________________________________
// XControl
//____________________________________________________________________________________________________________
Reference< XControlModel > SAL_CALL ProgressBar::getModel() throw( RuntimeException )
{
// A model is not possible for this control.
return Reference< XControlModel >();
}
//____________________________________________________________________________________________________________
// impl but public method to register service
//____________________________________________________________________________________________________________
const Sequence< OUString > ProgressBar::impl_getStaticSupportedServiceNames()
{
MutexGuard aGuard( Mutex::getGlobalMutex() );
Sequence< OUString > seqServiceNames( 1 );
seqServiceNames.getArray() [0] = OUString::createFromAscii( SERVICENAME_PROGRESSBAR );
return seqServiceNames ;
}
//____________________________________________________________________________________________________________
// impl but public method to register service
//____________________________________________________________________________________________________________
const OUString ProgressBar::impl_getStaticImplementationName()
{
return OUString::createFromAscii( IMPLEMENTATIONNAME_PROGRESSBAR );
}
//____________________________________________________________________________________________________________
// protected method
//____________________________________________________________________________________________________________
void ProgressBar::impl_paint ( sal_Int32 nX, sal_Int32 nY, const Reference< XGraphics > & rGraphics )
{
// save impossible cases
DBG_ASSERT ( rGraphics.is(), "ProgressBar::paint()\nCalled with invalid Reference< XGraphics > ." ) ;
// This paint method ist not buffered !!
// Every request paint the completely control. ( but only, if peer exist )
if ( rGraphics.is () )
{
MutexGuard aGuard (m_aMutex) ;
// Clear background
// (same color for line and fill)
rGraphics->setFillColor ( m_nBackgroundColor ) ;
rGraphics->setLineColor ( m_nBackgroundColor ) ;
rGraphics->drawRect ( nX, nY, impl_getWidth(), impl_getHeight() ) ;
// same color for line and fill for blocks
rGraphics->setFillColor ( m_nForegroundColor ) ;
rGraphics->setLineColor ( m_nForegroundColor ) ;
sal_Int32 nBlockStart = 0 ; // = left site of new block
sal_Int32 nBlockCount = m_nBlockValue!=0.00 ? (sal_Int32)((m_nValue-m_nMinRange)/m_nBlockValue) : 0 ; // = number of next block
// Draw horizontal progressbar
// decision in "recalcRange()"
if (m_bHorizontal)
{
// Step to left side of window
nBlockStart = nX ;
for ( sal_Int16 i=1; i<=nBlockCount; ++i )
{
// step free field
nBlockStart += FREESPACE ;
// paint block
rGraphics->drawRect (nBlockStart, nY+FREESPACE, m_aBlockSize.Width, m_aBlockSize.Height) ;
// step next free field
nBlockStart += m_aBlockSize.Width ;
}
}
// draw vertikal progressbar
// decision in "recalcRange()"
else
{
// step to bottom side of window
nBlockStart = nY+impl_getHeight() ;
nBlockStart -= m_aBlockSize.Height ;
for ( sal_Int16 i=1; i<=nBlockCount; ++i )
{
// step free field
nBlockStart -= FREESPACE ;
// paint block
rGraphics->drawRect (nX+FREESPACE, nBlockStart, m_aBlockSize.Width, m_aBlockSize.Height) ;
// step next free field
nBlockStart -= m_aBlockSize.Height;
}
}
// Paint shadow border around the progressbar
rGraphics->setLineColor ( LINECOLOR_SHADOW ) ;
rGraphics->drawLine ( nX, nY, impl_getWidth(), nY ) ;
rGraphics->drawLine ( nX, nY, nX , impl_getHeight() ) ;
rGraphics->setLineColor ( LINECOLOR_BRIGHT ) ;
rGraphics->drawLine ( impl_getWidth()-1, impl_getHeight()-1, impl_getWidth()-1, nY ) ;
rGraphics->drawLine ( impl_getWidth()-1, impl_getHeight()-1, nX , impl_getHeight()-1 ) ;
}
}
//____________________________________________________________________________________________________________
// protected method
//____________________________________________________________________________________________________________
void ProgressBar::impl_recalcRange ()
{
MutexGuard aGuard (m_aMutex) ;
sal_Int32 nWindowWidth = impl_getWidth() ;
sal_Int32 nWindowHeight = impl_getHeight() ;
double fBlockHeight ;
double fBlockWidth ;
double fMaxBlocks ;
if( nWindowWidth > nWindowHeight )
{
m_bHorizontal = sal_True ;
fBlockHeight = (nWindowHeight-(2*FREESPACE)) ;
fBlockWidth = fBlockHeight ;
fMaxBlocks = nWindowWidth/(fBlockWidth+FREESPACE);
}
else
{
m_bHorizontal = sal_False ;
fBlockWidth = (nWindowWidth-(2*FREESPACE)) ;
fBlockHeight = fBlockWidth ;
fMaxBlocks = nWindowHeight/(fBlockHeight+FREESPACE);
}
double fRange = m_nMaxRange-m_nMinRange ;
double fBlockValue = fRange/fMaxBlocks ;
m_nBlockValue = fBlockValue ;
m_aBlockSize.Height = (sal_Int32)fBlockHeight;
m_aBlockSize.Width = (sal_Int32)fBlockWidth ;
/*
// Calculate count of blocks for actual size
// (prevent error "division by zero")
if ( nHeight == 0 )
{
nHeight = 1 ;
}
nMaxBlock = nWidth / nHeight ;
nMaxBlock *= 2 ;
// prevent error "division by zero"
if ( nMaxBlock == 0 )
{
nMaxBlock = 1 ;
}
// Calculate new value and new size for ONE block.
// Do not a calculation like this: "m_nBlockValue=(m_nMaxRange-m_nMinRange)/nMaxBlock" !
// If difference between m_nMaxRange and m_nMinRange to large, it give an overflow and a
// following error "division by zero" in method "paint() ... nBlockCount=nDifference/m_nBlockValue ..."
// Overflow ? => example: _I32_MAX - _I32_MIN = -1 and not _UI32_MAX !!!
m_nBlockValue = ( m_nMaxRange / nMaxBlock ) - ( m_nMinRange / nMaxBlock ) ;
m_aBlockSize.Height = ( nHeight - ( FREESPACE * 2 ) ) ;
m_aBlockSize.Width = ( ( nWidth / nMaxBlock ) - FREESPACE ) ;
}
else
{
// Don't forget to save this state! Used in "ProgressBar::paint()"
m_bHorizontal = sal_False ;
double fBlockWidth = (nHeight-(2*FREESPACE)) ;
double fBlockHeight = fBlockWidth ;
double fRange = m_nMaxRange-m_nMinRange ;
double fBlockValue = fRange/(fBlockWidth+FREESPACE);
m_nBlockValue = fBlockValue ;
m_aBlockSize.Height = (sal_Int32)fBlockHeight;
m_aBlockSize.Width = (sal_Int32)fBlockWidth ;
// Calculate count of blocks for actual size
// (prevent error "division by zero")
if ( nWidth == 0 )
{
nWidth = 1 ;
}
nMaxBlock = nHeight / nWidth ;
nMaxBlock *= 2 ;
// prevent error "division by zero"
if ( nMaxBlock == 0 )
{
nMaxBlock = 1 ;
}
// Calculate new value and new size for ONE block.
// Do not a calculation like this: "m_nBlockValue=(m_nMaxRange-m_nMinRange)/nMaxBlock" !
// If difference between m_nMaxRange and m_nMinRange to large, it give an overflow and a
// following error "division by zero" in method "paint() ... nBlockCount=nDifference/m_nBlockValue ..."
// Overflow ? => example: _I32_MAX - _I32_MIN = -1 and not _UI32_MAX !!!
m_nBlockValue = ( m_nMaxRange / nMaxBlock ) - ( m_nMinRange / nMaxBlock ) ;
m_aBlockSize.Height = ( ( nHeight / nMaxBlock ) - FREESPACE ) ;
m_aBlockSize.Width = ( nWidth - ( FREESPACE * 2 ) ) ;
}
*/
}
} // namespace unocontrols
|