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468 lines
9.6 KiB
468 lines
9.6 KiB
/****************************************************************************
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**
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** Implementation of TQSpinWidget class
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the widgets module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "ntqrangecontrol.h"
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#ifndef QT_NO_SPINWIDGET
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#include "ntqrect.h"
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#include "ntqtimer.h"
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#include "ntqstyle.h"
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#include "ntqpainter.h"
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class TQSpinWidgetPrivate
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{
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public:
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TQSpinWidgetPrivate()
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: upEnabled( TRUE ),
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downEnabled( TRUE ),
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theButton( 0 ),
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buttonDown( 0 ),
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timerUp( 0 ),
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bsyms( TQSpinWidget::UpDownArrows ),
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ed ( 0 ) {}
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uint upEnabled :1;
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uint downEnabled :1;
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uint theButton :2;
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uint buttonDown :2;
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uint timerUp : 1;
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TQRect up;
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TQRect down;
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TQTimer auRepTimer;
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TQSpinWidget::ButtonSymbols bsyms;
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TQWidget *ed;
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void startTimer( int msec ) { auRepTimer.start( msec, TRUE ); }
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void startTimer( bool up, int msec ) { timerUp = up; startTimer( msec ); }
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void stopTimer() { auRepTimer.stop(); }
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};
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/*!
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\class TQSpinWidget qspinwidget.h
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\brief The TQSpinWidget class is an internal range control related class.
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\internal
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Constructs an empty range control widget with parent \a parent
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called \a name.
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*/
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TQSpinWidget::TQSpinWidget( TQWidget* parent, const char* name )
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: TQWidget( parent, name )
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{
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d = new TQSpinWidgetPrivate();
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connect( &d->auRepTimer, SIGNAL( timeout() ), this, SLOT( timerDone() ) );
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setFocusPolicy( StrongFocus );
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arrange();
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updateDisplay();
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}
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/*! Destroys the object and frees any allocated resources.
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*/
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TQSpinWidget::~TQSpinWidget()
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{
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delete d;
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}
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/*! */
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TQWidget * TQSpinWidget::editWidget()
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{
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return d->ed;
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}
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/*!
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Sets the editing widget to \a w.
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*/
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void TQSpinWidget::setEditWidget( TQWidget * w )
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{
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if ( w ) {
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if (w->parentWidget() != this)
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w->reparent( this, TQPoint( 0, 0 ) );
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setFocusProxy( w );
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}
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d->ed = w;
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arrange();
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updateDisplay();
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}
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/*! \reimp
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*/
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void TQSpinWidget::mousePressEvent( TQMouseEvent *e )
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{
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if ( e->button() != LeftButton ) {
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d->stopTimer();
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d->buttonDown = 0;
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d->theButton = 0;
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repaint( d->down.unite( d->up ), FALSE );
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return;
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}
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uint oldButtonDown = d->buttonDown;
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if ( d->down.contains( e->pos() ) && d->downEnabled )
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d->buttonDown = 1;
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else if ( d->up.contains( e->pos() ) && d->upEnabled )
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d->buttonDown = 2;
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else
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d->buttonDown = 0;
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d->theButton = d->buttonDown;
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if ( oldButtonDown != d->buttonDown ) {
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if ( !d->buttonDown ) {
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repaint( d->down.unite( d->up ), FALSE );
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} else if ( d->buttonDown & 1 ) {
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repaint( d->down, FALSE );
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stepDown();
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d->startTimer( FALSE, 300 );
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} else if ( d->buttonDown & 2 ) {
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repaint( d->up, FALSE );
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stepUp();
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d->startTimer( TRUE, 300 );
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}
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}
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}
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/*!
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*/
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void TQSpinWidget::arrange()
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{
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d->up = TQStyle::visualRect( style().querySubControlMetrics( TQStyle::CC_SpinWidget, this,
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TQStyle::SC_SpinWidgetUp ), this );
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d->down = TQStyle::visualRect( style().querySubControlMetrics( TQStyle::CC_SpinWidget, this,
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TQStyle::SC_SpinWidgetDown ), this );
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if ( d->ed ) {
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TQRect r = TQStyle::visualRect( style().querySubControlMetrics( TQStyle::CC_SpinWidget, this,
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TQStyle::SC_SpinWidgetEditField ), this );
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d->ed->setGeometry( r );
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}
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}
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/*!
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*/
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void TQSpinWidget::stepUp()
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{
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emit stepUpPressed();
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}
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void TQSpinWidget::resizeEvent( TQResizeEvent* )
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{
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arrange();
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}
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/*!
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*/
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void TQSpinWidget::stepDown()
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{
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emit stepDownPressed();
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}
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void TQSpinWidget::timerDone()
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{
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// we use a double timer to make it possible for users to do
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// something with 0-timer on valueChanged.
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TQTimer::singleShot( 1, this, SLOT( timerDoneEx() ) );
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}
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void TQSpinWidget::timerDoneEx()
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{
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if ( !d->buttonDown )
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return;
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if ( d->timerUp )
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stepUp();
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else
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stepDown();
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d->startTimer( 100 );
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}
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void TQSpinWidget::windowActivationChange( bool oldActive )
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{
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//was active, but lost focus
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if ( oldActive && d->buttonDown ) {
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d->stopTimer();
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d->buttonDown = 0;
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d->theButton = 0;
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}
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TQWidget::windowActivationChange( oldActive );
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}
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/*!
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The event is passed in \a e.
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*/
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void TQSpinWidget::mouseReleaseEvent( TQMouseEvent *e )
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{
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if ( e->button() != LeftButton )
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return;
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uint oldButtonDown = d->theButton;
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d->theButton = 0;
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if ( oldButtonDown != d->theButton ) {
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if ( oldButtonDown & 1 )
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repaint( d->down, FALSE );
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else if ( oldButtonDown & 2 )
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repaint( d->up, FALSE );
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}
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d->stopTimer();
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d->buttonDown = 0;
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}
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/*!
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The event is passed in \a e.
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*/
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void TQSpinWidget::mouseMoveEvent( TQMouseEvent *e )
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{
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if ( !(e->state() & LeftButton ) )
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return;
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uint oldButtonDown = d->theButton;
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if ( oldButtonDown & 1 && !d->down.contains( e->pos() ) ) {
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d->stopTimer();
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d->theButton = 0;
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repaint( d->down, FALSE );
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} else if ( oldButtonDown & 2 && !d->up.contains( e->pos() ) ) {
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d->stopTimer();
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d->theButton = 0;
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repaint( d->up, FALSE );
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} else if ( !oldButtonDown && d->up.contains( e->pos() ) && d->buttonDown & 2 ) {
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d->startTimer( 500 );
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d->theButton = 2;
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repaint( d->up, FALSE );
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} else if ( !oldButtonDown && d->down.contains( e->pos() ) && d->buttonDown & 1 ) {
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d->startTimer( 500 );
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d->theButton = 1;
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repaint( d->down, FALSE );
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}
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}
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/*!
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The event is passed in \a e.
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*/
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#ifndef QT_NO_WHEELEVENT
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void TQSpinWidget::wheelEvent( TQWheelEvent *e )
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{
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e->accept();
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static float offset = 0;
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static TQSpinWidget* offset_owner = 0;
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if ( offset_owner != this ) {
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offset_owner = this;
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offset = 0;
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}
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offset += -e->delta()/120;
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if ( TQABS( offset ) < 1 )
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return;
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int ioff = int(offset);
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int i;
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for( i=0; i < TQABS( ioff ); i++ )
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offset > 0 ? stepDown() : stepUp();
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offset -= ioff;
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}
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#endif
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/*!
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*/
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void TQSpinWidget::paintEvent( TQPaintEvent * )
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{
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TQPainter p( this );
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TQStyle::SFlags flags = TQStyle::Style_Default;
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if (isEnabled())
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flags |= TQStyle::Style_Enabled;
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if (hasMouse())
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flags |= TQStyle::Style_MouseOver;
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if (hasFocus() || (focusProxy() && focusProxy()->hasFocus()))
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flags |= TQStyle::Style_HasFocus;
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TQStyle::SCFlags active;
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if ( d->theButton & 1 )
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active = TQStyle::SC_SpinWidgetDown;
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else if ( d->theButton & 2 )
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active = TQStyle::SC_SpinWidgetUp;
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else
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active = TQStyle::SC_None;
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TQRect fr = TQStyle::visualRect(
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style().querySubControlMetrics( TQStyle::CC_SpinWidget, this,
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TQStyle::SC_SpinWidgetFrame ), this );
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style().drawComplexControl( TQStyle::CC_SpinWidget, &p, this,
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fr, colorGroup(),
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flags,
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(uint)TQStyle::SC_All,
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active );
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}
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/*!
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The previous style is passed in \a old.
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*/
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void TQSpinWidget::styleChange( TQStyle& old )
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{
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arrange();
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TQWidget::styleChange( old );
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}
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/*!
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*/
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TQRect TQSpinWidget::upRect() const
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{
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return d->up;
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}
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/*!
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*/
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TQRect TQSpinWidget::downRect() const
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{
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return d->down;
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}
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/*!
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*/
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void TQSpinWidget::updateDisplay()
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{
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if ( !isEnabled() ) {
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d->upEnabled = FALSE;
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d->downEnabled = FALSE;
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}
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if ( d->theButton & 1 && ( d->downEnabled ) == 0 ) {
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d->theButton &= ~1;
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d->buttonDown &= ~1;
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}
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if ( d->theButton & 2 && ( d->upEnabled ) == 0 ) {
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d->theButton &= ~2;
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d->buttonDown &= ~2;
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}
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repaint( FALSE );
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}
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/*!
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The previous enabled state is passed in \a old.
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*/
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void TQSpinWidget::enableChanged( bool )
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{
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d->upEnabled = isEnabled();
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d->downEnabled = isEnabled();
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updateDisplay();
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}
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/*!
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Sets up-enabled to \a on.
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*/
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void TQSpinWidget::setUpEnabled( bool on )
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{
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if ( (bool)d->upEnabled != on ) {
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d->upEnabled = on;
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updateDisplay();
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}
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}
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/*!
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*/
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bool TQSpinWidget::isUpEnabled() const
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{
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return d->upEnabled;
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}
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/*!
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Sets down-enabled to \a on.
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*/
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void TQSpinWidget::setDownEnabled( bool on )
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{
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if ( (bool)d->downEnabled != on ) {
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d->downEnabled = on;
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updateDisplay();
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}
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}
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/*!
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*/
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bool TQSpinWidget::isDownEnabled() const
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{
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return d->downEnabled;
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}
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/*!
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Sets the button symbol to \a bs.
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*/
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void TQSpinWidget::setButtonSymbols( ButtonSymbols bs )
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{
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d->bsyms = bs;
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}
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/*!
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*/
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TQSpinWidget::ButtonSymbols TQSpinWidget::buttonSymbols() const
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{
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return d->bsyms;
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}
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#endif
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