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Diffstat (limited to 'UnoControls/source/controls/progressbar.cxx')
-rw-r--r-- | UnoControls/source/controls/progressbar.cxx | 494 |
1 files changed, 494 insertions, 0 deletions
diff --git a/UnoControls/source/controls/progressbar.cxx b/UnoControls/source/controls/progressbar.cxx new file mode 100644 index 000000000000..2ca79b4b425b --- /dev/null +++ b/UnoControls/source/controls/progressbar.cxx @@ -0,0 +1,494 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +//____________________________________________________________________________________________________________ +// my own includes +//____________________________________________________________________________________________________________ + +#include "progressbar.hxx" + +//____________________________________________________________________________________________________________ +// includes of other projects +//____________________________________________________________________________________________________________ +#include <com/sun/star/awt/GradientStyle.hpp> +#include <com/sun/star/awt/RasterOperation.hpp> +#include <com/sun/star/awt/Gradient.hpp> +#include <com/sun/star/awt/XGraphics.hpp> +#include <tools/debug.hxx> +#include <cppuhelper/typeprovider.hxx> + +#include <math.h> +#include <limits.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 ( PROGRESSBAR_DEFAULT_HORIZONTAL ) + , m_aBlockSize ( PROGRESSBAR_DEFAULT_BLOCKDIMENSION ) + , m_nForegroundColor ( PROGRESSBAR_DEFAULT_FOREGROUNDCOLOR ) + , m_nBackgroundColor ( PROGRESSBAR_DEFAULT_BACKGROUNDCOLOR ) + , m_nMinRange ( PROGRESSBAR_DEFAULT_MINRANGE ) + , m_nMaxRange ( PROGRESSBAR_DEFAULT_MAXRANGE ) + , m_nBlockValue ( PROGRESSBAR_DEFAULT_BLOCKVALUE ) + , m_nValue ( PROGRESSBAR_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 > xDel = BaseControl::impl_getDelegator(); + if ( xDel.is() ) + { + // If an delegator exist, forward question to his queryInterface. + // Delegator will ask his own queryAggregation! + aReturn = xDel->queryInterface( rType ); + } + else + { + // If an delegator unknown, forward question to own queryAggregation. + aReturn = queryAggregation( rType ); + } + + return aReturn ; +} + +//____________________________________________________________________________________________________________ +// XInterface +//____________________________________________________________________________________________________________ + +void SAL_CALL ProgressBar::acquire() throw() +{ + // 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() +{ + // 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 ; + } + + // assure that m_nValue is within the range + if (!(m_nMinRange < m_nValue && m_nValue < m_nMaxRange)) + m_nValue = m_nMinRange; + + 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 += PROGRESSBAR_FREESPACE ; + // paint block + rGraphics->drawRect (nBlockStart, nY+PROGRESSBAR_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 -= PROGRESSBAR_FREESPACE ; + // paint block + rGraphics->drawRect (nX+PROGRESSBAR_FREESPACE, nBlockStart, m_aBlockSize.Width, m_aBlockSize.Height) ; + // step next free field + nBlockStart -= m_aBlockSize.Height; + } + } + + // Paint shadow border around the progressbar + rGraphics->setLineColor ( PROGRESSBAR_LINECOLOR_SHADOW ) ; + rGraphics->drawLine ( nX, nY, impl_getWidth(), nY ) ; + rGraphics->drawLine ( nX, nY, nX , impl_getHeight() ) ; + + rGraphics->setLineColor ( PROGRESSBAR_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*PROGRESSBAR_FREESPACE)) ; + fBlockWidth = fBlockHeight ; + fMaxBlocks = nWindowWidth/(fBlockWidth+PROGRESSBAR_FREESPACE); + } + else + { + m_bHorizontal = sal_False ; + fBlockWidth = (nWindowWidth-(2*PROGRESSBAR_FREESPACE)) ; + fBlockHeight = fBlockWidth ; + fMaxBlocks = nWindowHeight/(fBlockHeight+PROGRESSBAR_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 ; +} + +} // namespace unocontrols + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |