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Diffstat (limited to 'tqtinterface/qt4/src/widgets/tqprogressbar.cpp')
| -rw-r--r-- | tqtinterface/qt4/src/widgets/tqprogressbar.cpp | 408 |
1 files changed, 0 insertions, 408 deletions
diff --git a/tqtinterface/qt4/src/widgets/tqprogressbar.cpp b/tqtinterface/qt4/src/widgets/tqprogressbar.cpp deleted file mode 100644 index 007b2e8..0000000 --- a/tqtinterface/qt4/src/widgets/tqprogressbar.cpp +++ /dev/null @@ -1,408 +0,0 @@ -/**************************************************************************** -** -** Implementation of TQProgressBar class -** -** Created : 970521 -** -** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA. -** -** This file is part of the widgets module of the TQt GUI Toolkit. -** -** This file may be used under the terms of the GNU General -** Public License versions 2.0 or 3.0 as published by the Free -** Software Foundation and appearing in the files LICENSE.GPL2 -** and LICENSE.GPL3 included in the packaging of this file. -** Alternatively you may (at your option) use any later version -** of the GNU General Public License if such license has been -** publicly approved by Trolltech ASA (or its successors, if any) -** and the KDE Free TQt Foundation. -** -** Please review the following information to ensure GNU General -** Public Licensing requirements will be met: -** http://trolltech.com/products/qt/licenses/licensing/opensource/. -** If you are unsure which license is appropriate for your use, please -** review the following information: -** http://trolltech.com/products/qt/licenses/licensing/licensingoverview -** or contact the sales department at sales@trolltech.com. -** -** This file may be used under the terms of the Q Public License as -** defined by Trolltech ASA and appearing in the file LICENSE.TQPL -** included in the packaging of this file. Licensees holding valid TQt -** Commercial licenses may use this file in accordance with the TQt -** Commercial License Agreement provided with the Software. -** -** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, -** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted -** herein. -** -**********************************************************************/ - -#include "tqprogressbar.h" -#ifndef TQT_NO_PROGRESSBAR -#include "tqpainter.h" -#include "tqdrawutil.h" -#include "tqpixmap.h" -#include "tqstyle.h" -#include "../kernel/tqinternal_p.h" -#if defined(TQT_ACCESSIBILITY_SUPPORT) -#include "tqaccessible.h" -#endif -#include <limits.h> - -/*! - \class TQProgressBar tqprogressbar.h - \brief The TQProgressBar widget provides a horizontal progress bar. - - \ingroup advanced - \mainclass - - A progress bar is used to give the user an indication of the - progress of an operation and to reassure them that the application - is still running. - - The progress bar uses the concept of \e steps; you give it the - total number of steps and the number of steps completed so far and - it will display the percentage of steps that have been completed. - You can specify the total number of steps in the constructor or - later with setTotalSteps(). The current number of steps is set - with setProgress(). The progress bar can be rewound to the - beginning with reset(). - - If the total is given as 0 the progress bar shows a busy indicator - instead of a percentage of steps. This is useful, for example, - when using TQFtp or TQHttp to download items when they are unable to - determine the size of the item being downloaded. - - \sa TQProgressDialog - - <img src=qprogbar-m.png> <img src=qprogbar-w.png> - - \sa TQProgressDialog - \link guibooks.html#fowler GUI Design Handbook: Progress Indicator\endlink -*/ - - -/*! - Constructs a progress bar. - - The total number of steps is set to 100 by default. - - The \a parent, \a name and widget flags, \a f, are passed on to - the TQFrame::TQFrame() constructor. - - \sa setTotalSteps() -*/ - -TQProgressBar::TQProgressBar( TQWidget *parent, const char *name, WFlags f ) - : TQFrame( parent, name, f | TQt::WNoAutoErase ), - total_steps( 100 ), - progress_val( -1 ), - percentage( -1 ), - center_indicator( TRUE ), - auto_indicator( TRUE ), - percentage_visible( TRUE ), - d( 0 ) -{ - tqsetSizePolicy( TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ) ); - initFrame(); -} - - -/*! - Constructs a progress bar. - - The \a totalSteps is the total number of steps that need to be - completed for the operation which this progress bar represents. - For example, if the operation is to examine 50 files, this value - would be 50. Before examining the first file, call setProgress(0); - call setProgress(50) after examining the last file. - - The \a parent, \a name and widget flags, \a f, are passed to the - TQFrame::TQFrame() constructor. - - \sa setTotalSteps(), setProgress() -*/ - -TQProgressBar::TQProgressBar( int totalSteps, - TQWidget *parent, const char *name, WFlags f ) - : TQFrame( parent, name, f | TQt::WNoAutoErase ), - total_steps( totalSteps ), - progress_val( -1 ), - percentage( -1 ), - center_indicator( TRUE ), - auto_indicator( TRUE ), - percentage_visible( TRUE ), - d( 0 ) -{ - tqsetSizePolicy( TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ) ); - initFrame(); -} - - -/*! - Reset the progress bar. The progress bar "rewinds" and shows no - progress. -*/ - -void TQProgressBar::reset() -{ - progress_val = -1; - percentage = -1; - setIndicator(progress_str, progress_val, total_steps); - tqrepaint( FALSE ); -} - - -/*! - \property TQProgressBar::totalSteps - \brief The total number of steps. - - If totalSteps is 0, the progress bar will display a busy - indicator. - - \sa totalSteps() -*/ - -void TQProgressBar::setTotalSteps( int totalSteps ) -{ - total_steps = totalSteps; - - // Current progress is invalid if larger than total - if ( total_steps < progress_val ) - progress_val = -1; - - if ( isVisible() && - ( setIndicator(progress_str, progress_val, total_steps) || !total_steps ) ) - tqrepaint( FALSE ); -} - - -/*! - \property TQProgressBar::progress - \brief The current amount of progress - - This property is -1 if progress counting has not started. -*/ - -void TQProgressBar::setProgress( int progress ) -{ - if ( progress == progress_val || - progress < 0 || ( ( progress > total_steps ) && total_steps ) ) - return; - - progress_val = progress; - - setIndicator( progress_str, progress_val, total_steps ); - - tqrepaint( FALSE ); - -#if defined(TQT_ACCESSIBILITY_SUPPORT) - TQAccessible::updateAccessibility( this, 0, TQAccessible::ValueChanged ); -#endif -} - -/*! - \overload - - Sets the amount of progress to \a progress and the total number of - steps to \a totalSteps. - - \sa setTotalSteps() -*/ - -void TQProgressBar::setProgress( int progress, int totalSteps ) -{ - if ( total_steps != totalSteps ) - setTotalSteps( totalSteps ); - setProgress( progress ); -} - -/*! - \property TQProgressBar::progressString - \brief the amount of progress as a string - - This property is TQString::null if progress counting has not started. -*/ - - -/*! - \reimp -*/ -TQSize TQProgressBar::tqsizeHint() const -{ - constPolish(); - TQFontMetrics fm = fontMetrics(); - int cw = tqstyle().tqpixelMetric(TQStyle::PM_ProgressBarChunkWidth, this); - return tqstyle().tqsizeFromContents(TQStyle::CT_ProgressBar, this, - TQSize( cw * 7 + fm.width( '0' ) * 4, - fm.height() + 8)); -} - - -/*! - \reimp -*/ -TQSize TQProgressBar::tqminimumSizeHint() const -{ - return tqsizeHint(); -} - -/*! - \property TQProgressBar::centerIndicator - \brief whether the indicator string should be centered - - Changing this property sets \l TQProgressBar::indicatorFollowsStyle - to FALSE. The default is TRUE. -*/ - -void TQProgressBar::setCenterIndicator( bool on ) -{ - if ( !auto_indicator && on == center_indicator ) - return; - auto_indicator = FALSE; - center_indicator = on; - tqrepaint( FALSE ); -} - -/*! - \property TQProgressBar::indicatorFollowsStyle - \brief whether the display of the indicator string should follow the GUI style - - The default is TRUE. - - \sa centerIndicator -*/ - -void TQProgressBar::setIndicatorFollowsStyle( bool on ) -{ - if ( on == auto_indicator ) - return; - auto_indicator = on; - tqrepaint( FALSE ); -} - -/*! - \property TQProgressBar::percentageVisible - \brief whether the current progress value is displayed - - The default is TRUE. - - \sa centerIndicator, indicatorFollowsStyle -*/ -void TQProgressBar::setPercentageVisible( bool on ) -{ - if ( on == percentage_visible ) - return; - percentage_visible = on; - tqrepaint( FALSE ); -} - -/*! - \reimp -*/ -void TQProgressBar::show() -{ - setIndicator( progress_str, progress_val, total_steps ); - TQFrame::show(); -} - -void TQProgressBar::initFrame() -{ - setFrameStyle(TQFrame::NoFrame); -} - -/*! - \reimp -*/ -void TQProgressBar::styleChange( TQStyle& old ) -{ - initFrame(); - TQFrame::styleChange( old ); -} - - -/*! - This method is called to generate the text displayed in the center - (or in some styles, to the left) of the progress bar. - - The \a progress may be negative, indicating that the progress bar - is in the "reset" state before any progress is set. - - The default implementation is the percentage of completion or - blank in the reset state. The percentage is calculated based on - the \a progress and \a totalSteps. You can set the \a indicator - text if you wish. - - To allow efficient repainting of the progress bar, this method - should return FALSE if the string is unchanged from the last call - to this function. -*/ - -bool TQProgressBar::setIndicator( TQString & indicator, int progress, - int totalSteps ) -{ - if ( !totalSteps ) - return FALSE; - if ( progress < 0 ) { - indicator = TQString::tqfromLatin1(""); - return TRUE; - } else { - // Get the values down to something usable. - if ( totalSteps > INT_MAX/1000 ) { - progress /= 1000; - totalSteps /= 1000; - } - - int np = progress * 100 / totalSteps; - if ( np != percentage ) { - percentage = np; - indicator.sprintf( "%d%%", np ); - return TRUE; - } else { - return FALSE; - } - } -} - - -/*! - \reimp -*/ -void TQProgressBar::drawContents( TQPainter *p ) -{ - const TQRect bar = contentsRect(); - - TQSharedDoubleBuffer buffer( p, bar.x(), bar.y(), bar.width(), bar.height() ); - - TQPoint pn = backgroundOffset(); - buffer.painter()->setBrushOrigin( -pn.x(), -pn.y() ); - - const TQPixmap *bpm = TQT_TQPIXMAP_CONST(paletteBackgroundPixmap()); - if ( bpm ) - buffer.painter()->fillRect( bar, TQBrush( paletteBackgroundColor(), *bpm ) ); - else - buffer.painter()->fillRect( bar, paletteBackgroundColor() ); - buffer.painter()->setFont( p->font() ); - - TQStyle::SFlags flags = TQStyle::Style_Default; - if (isEnabled()) - flags |= TQStyle::Style_Enabled; - if (hasFocus()) - flags |= TQStyle::Style_HasFocus; - - tqstyle().tqdrawControl(TQStyle::CE_ProgressBarGroove, buffer.painter(), this, - TQStyle::tqvisualRect(tqstyle().subRect(TQStyle::SR_ProgressBarGroove, this), this ), - tqcolorGroup(), flags); - - tqstyle().tqdrawControl(TQStyle::CE_ProgressBarContents, buffer.painter(), this, - TQStyle::tqvisualRect(tqstyle().subRect(TQStyle::SR_ProgressBarContents, this), this ), - tqcolorGroup(), flags); - - if (percentageVisible()) - tqstyle().tqdrawControl(TQStyle::CE_ProgressBarLabel, buffer.painter(), this, - TQStyle::tqvisualRect(tqstyle().subRect(TQStyle::SR_ProgressBarLabel, this), this ), - tqcolorGroup(), flags); -} - -#endif |