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authorMichele Calgaro <[email protected]>2024-08-12 22:02:11 +0900
committerMichele Calgaro <[email protected]>2024-08-12 22:02:11 +0900
commit42957a3f812a1db64a9ae452baa2d3fbc35f2466 (patch)
tree0928f4e01a3dcc0698b46c7608d8310e471bdb49 /src/widgets/qprogressbar.cpp
parentfef846914f8db6dc117e206ef913d519bf6bb33e (diff)
downloadtqt3-42957a3f812a1db64a9ae452baa2d3fbc35f2466.tar.gz
tqt3-42957a3f812a1db64a9ae452baa2d3fbc35f2466.zip
Rename more widget nt* related files to equivalent tq*
Signed-off-by: Michele Calgaro <[email protected]>
Diffstat (limited to 'src/widgets/qprogressbar.cpp')
-rw-r--r--src/widgets/qprogressbar.cpp516
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diff --git a/src/widgets/qprogressbar.cpp b/src/widgets/qprogressbar.cpp
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-/****************************************************************************
-**
-** Implementation of TQProgressBar class
-**
-** Created : 970521
-**
-** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
-**
-** 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 [email protected].
-**
-** 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 "ntqprogressbar.h"
-#ifndef TQT_NO_PROGRESSBAR
-#include "tqpainter.h"
-#include "ntqdrawutil.h"
-#include "tqpixmap.h"
-#include "tqstyle.h"
-#include "tqwmatrix.h"
-#include "../kernel/qinternal_p.h"
-#if defined(QT_ACCESSIBILITY_SUPPORT)
-#include "ntqaccessible.h"
-#endif
-#include <limits.h>
-
-class TQProgressBarPrivate
-{
- public:
- TQProgressBarPrivate() : last_painted_progress( 0 ) { }
-
- int last_painted_progress;
-};
-
-/*!
- \class TQProgressBar ntqprogressbar.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 | WNoAutoErase ),
- total_steps( 100 ),
- progress_val( -1 ),
- percentage( -1 ),
- center_indicator( TRUE ),
- auto_indicator( TRUE ),
- percentage_visible( TRUE ),
- d( new TQProgressBarPrivate ),
- m_orientation( Horizontal )
-{
- setSizePolicy( 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 | WNoAutoErase ),
- total_steps( totalSteps ),
- progress_val( -1 ),
- percentage( -1 ),
- center_indicator( TRUE ),
- auto_indicator( TRUE ),
- percentage_visible( TRUE ),
- d( new TQProgressBarPrivate ),
- m_orientation( Horizontal )
-{
- setSizePolicy( TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ) );
- initFrame();
-}
-
-
-/*!
- Destroys the object and frees any allocated ressources.
-*/
-
-TQProgressBar::~TQProgressBar()
-{
- delete d;
-}
-
-
-/*!
- 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);
- repaint( 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 ) )
- repaint( 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 );
-
- if ( isVisible() && repaintRequired() ) {
- repaint( FALSE );
- d->last_painted_progress = progress;
- }
-
-#if defined(QT_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::sizeHint() const
-{
- constPolish();
- TQFontMetrics fm = fontMetrics();
- int cw = style().pixelMetric(TQStyle::PM_ProgressBarChunkWidth, this);
- TQSize sh = style().sizeFromContents(TQStyle::CT_ProgressBar, this,
- TQSize( cw * 7 + fm.width( '0' ) * 4,
- fm.height() + 8));
- if (m_orientation == TQt::Horizontal) {
- return sh;
- }
- else {
- return TQSize(sh.height(), sh.width());
- }
-}
-
-
-/*!
- \reimp
-*/
-TQSize TQProgressBar::minimumSizeHint() const
-{
- return sizeHint();
-}
-
-/*!
- \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;
- repaint( 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;
- repaint( 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;
- repaint( 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 returns whether changing the progress to the \a newValue
- would require a repaint of the progress bar. This allows efficient
- repainting.
-*/
-bool TQProgressBar::repaintRequired() const
-{
- if ( progress_val == d->last_painted_progress ) {
- return false;
- }
-
- const int width = contentsRect().width();
- if ( width == 0 ) {
- return false;
- }
-
- float progressPerPixel = 1.0;
- if ( total_steps > width ) {
- progressPerPixel = float( total_steps ) / float( width );
- }
-
- const int delta = d->last_painted_progress - progress_val;
- return TQABS( delta ) >= progressPerPixel;
-}
-
-TQt::Orientation TQProgressBar::orientation() const
-{
- return m_orientation;
-}
-
-void TQProgressBar::setOrientation(Orientation orient)
-{
- m_orientation = orient;
- if (m_orientation == TQt::Horizontal) {
- setSizePolicy( TQSizePolicy( TQSizePolicy::Expanding, TQSizePolicy::Fixed ) );
- }
- else {
- setSizePolicy( TQSizePolicy( TQSizePolicy::Fixed, TQSizePolicy::Expanding ) );
- }
-}
-
-
-/*!
- 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::fromLatin1("");
- 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 = 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;
- }
- if (hasMouse()) {
- flags |= TQStyle::Style_MouseOver;
- }
-
- style().drawControl(TQStyle::CE_ProgressBarGroove, buffer.painter(), this,
- TQStyle::visualRect(style().subRect(TQStyle::SR_ProgressBarGroove, this), this ),
- colorGroup(), flags);
-
- TQWMatrix oldMatrix = buffer.painter()->worldMatrix();
-
- const TQStyleControlElementData &ceData = populateControlElementDataFromWidget(this, TQStyleOption());
- TQStyle::ControlElementFlags elementFlags = getControlElementFlagsForObject(this, TQStyleOption());
-
- TQRect ceDataRectOrig = ceData.rect;
-
- // Draw contents
- if (m_orientation == TQt::Vertical) {
- // If oriented vertically, apply a 90 degree rotation matrix to the painter
- TQWMatrix m;
-
-// // Upside down
-// m.rotate(90.0);
-// m.translate(0, (bar.width())*(-1.0));
-
- // Right side up
- m.rotate(-90.0);
- m.translate((bar.height())*(-1.0), 0);
-
- buffer.painter()->setWorldMatrix(m, TRUE);
-
- const_cast<TQStyleControlElementData&>(ceData).rect = TQRect(ceData.rect.y(), ceData.rect.x(), ceData.rect.height(), ceData.rect.width());
- }
-
- style().drawControl(TQStyle::CE_ProgressBarContents, buffer.painter(), ceData, elementFlags,
- TQStyle::visualRect(style().subRect(TQStyle::SR_ProgressBarContents, ceData, elementFlags, this), ceData, elementFlags),
- colorGroup(), flags, TQStyleOption(), this);
-
- buffer.painter()->setWorldMatrix(oldMatrix, TRUE);
-
- if (percentageVisible()) {
- style().drawControl(TQStyle::CE_ProgressBarLabel, buffer.painter(), this,
- TQStyle::visualRect(style().subRect(TQStyle::SR_ProgressBarLabel, this), this ),
- colorGroup(), flags);
- }
-
- const_cast<TQStyleControlElementData&>(ceData).rect = ceDataRectOrig;
-}
-
-#endif