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Diffstat (limited to 'UnoControls/source/controls/progressbar.cxx')
| -rw-r--r-- | UnoControls/source/controls/progressbar.cxx | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/UnoControls/source/controls/progressbar.cxx b/UnoControls/source/controls/progressbar.cxx new file mode 100644 index 000000000..37ac9e379 --- /dev/null +++ b/UnoControls/source/controls/progressbar.cxx @@ -0,0 +1,410 @@ +/* -*- 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 <progressbar.hxx> + +#include <com/sun/star/awt/XGraphics.hpp> +#include <tools/debug.hxx> +#include <cppuhelper/queryinterface.hxx> +#include <cppuhelper/typeprovider.hxx> + +#include <limits.h> + +using namespace ::cppu; +using namespace ::osl; +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< XComponentContext >& rxContext ) + : BaseControl ( rxContext ) + , 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 ) +{ + // 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 a delegator exists, forward question to its queryInterface. + // Delegator will ask its own queryAggregation! + aReturn = xDel->queryInterface( rType ); + } + else + { + // If a delegator is 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() +{ + static OTypeCollection ourTypeCollection( + cppu::UnoType<XControlModel>::get(), + cppu::UnoType<XProgressBar>::get(), + BaseControl::getTypes() ); + + return ourTypeCollection.getTypes(); +} + +// XAggregation + +Any SAL_CALL ProgressBar::queryAggregation( const Type& aType ) +{ + // 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() ) + { + // ... ask baseclasses. + aReturn = BaseControl::queryAggregation( aType ); + } + + return aReturn; +} + +// XProgressBar + +void SAL_CALL ProgressBar::setForegroundColor( sal_Int32 nColor ) +{ + // Ready for multithreading + MutexGuard aGuard (m_aMutex); + + // Safe color for later use. + m_nForegroundColor = Color(nColor); + + // Repaint control + impl_paint ( 0, 0, impl_getGraphicsPeer() ); +} + +// XProgressBar + +void SAL_CALL ProgressBar::setBackgroundColor ( sal_Int32 nColor ) +{ + // Ready for multithreading + MutexGuard aGuard (m_aMutex); + + // Safe color for later use. + m_nBackgroundColor = Color(nColor); + + // Repaint control + impl_paint ( 0, 0, impl_getGraphicsPeer() ); +} + +// XProgressBar + +void SAL_CALL ProgressBar::setValue ( sal_Int32 nValue ) +{ + // 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 ) +{ + // 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 will 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 automatically + 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 () +{ + // 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 +) +{ + // 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*/ ) +{ + // A model is not possible for this control. + return false; +} + +// XControl + +Reference< XControlModel > SAL_CALL ProgressBar::getModel() +{ + // A model is not possible for this control. + return Reference< XControlModel >(); +} + +// impl but public method to register service + +Sequence< OUString > ProgressBar::impl_getStaticSupportedServiceNames() +{ + return css::uno::Sequence<OUString>(); +} + +// impl but public method to register service + +OUString ProgressBar::impl_getStaticImplementationName() +{ + return "stardiv.UnoControls.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 is 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 ( sal_Int32(m_nBackgroundColor) ); + rGraphics->setLineColor ( sal_Int32(m_nBackgroundColor) ); + rGraphics->drawRect ( nX, nY, impl_getWidth(), impl_getHeight() ); + + // same color for line and fill for blocks + rGraphics->setFillColor ( sal_Int32(m_nForegroundColor) ); + rGraphics->setLineColor ( sal_Int32(m_nForegroundColor) ); + + sal_Int32 nBlockStart = 0; // = left site of new block + sal_Int32 nBlockCount = m_nBlockValue!=0.00 ? static_cast<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_Int32 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 vertical progressbar + // decision in "recalcRange()" + else + { + // step to bottom side of window + nBlockStart = nY+impl_getHeight(); + nBlockStart -= m_aBlockSize.Height; + + for ( sal_Int32 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 = true; + fBlockHeight = (nWindowHeight-(2*PROGRESSBAR_FREESPACE)); + fBlockWidth = fBlockHeight; + fMaxBlocks = nWindowWidth/(fBlockWidth+PROGRESSBAR_FREESPACE); + } + else + { + m_bHorizontal = 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 = static_cast<sal_Int32>(fBlockHeight); + m_aBlockSize.Width = static_cast<sal_Int32>(fBlockWidth); +} + +} // namespace unocontrols + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |