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Diffstat (limited to 'UnoControls/source/controls/progressbar.cxx')
| -rw-r--r-- | UnoControls/source/controls/progressbar.cxx | 600 |
1 files changed, 600 insertions, 0 deletions
diff --git a/UnoControls/source/controls/progressbar.cxx b/UnoControls/source/controls/progressbar.cxx new file mode 100644 index 000000000000..170fd0df6a2e --- /dev/null +++ b/UnoControls/source/controls/progressbar.cxx @@ -0,0 +1,600 @@ +/************************************************************************* + * + * $RCSfile: progressbar.cxx,v $ + * + * $Revision: 1.1.1.1 $ + * + * last change: $Author: hr $ $Date: 2000-09-18 16:11:17 $ + * + * 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() ) ; + + sal_Int32 nBlockStart = 0 ; // = left site of new block + sal_Int32 nBlockCount = 0 ; // = number of next block + + // same color for line and fill for blocks + rGraphics->setFillColor ( m_nForegroundColor ) ; + rGraphics->setLineColor ( m_nForegroundColor ) ; + + sal_Int32 nDifference = labs ( m_nValue - m_nMinRange ) ; + + if ( m_nBlockValue == 0 ) + { + // Prevent "division by zero" + m_nBlockValue = 1 ; + } + // number of blocks for current value + nBlockCount = nDifference / m_nBlockValue ; + + // Round to next valid block number + if ( fmod ( (float)nDifference, (float)m_nBlockValue ) != 0 ) + { + ++nBlockCount ; + } + + // 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) ; + + // Calculate size of block in progressbar + // and switch the orientation of the control + sal_Int32 nMaxBlock = 0 ; + sal_Int32 nWidth = impl_getWidth () ; // it's better for debug ! + sal_Int32 nHeight = impl_getHeight () ; // it's better for debug ! + + // Default = horizontal progressbar ... + m_bHorizontal = sal_True ; + + // ... but, if programmer say "NO IT's VERTICAL ..." + if ( nWidth > nHeight ) + { + // Don't forget to save this state! Used in "ProgressBar::paint()" + m_bHorizontal = sal_True ; + + // 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 ; + + // 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 |