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122 lines
3.9 KiB
122 lines
3.9 KiB
/*
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* KmPlot - a math. function plotter for the KDE-Desktop
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*
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* Copyright (C) 2005 Fredrik Edemar
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* f_edemar@linux.se
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*
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* This file is part of the KDE Project.
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* KmPlot is part of the KDE-EDU Project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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// TQt includes
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#include <tqcursor.h>
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#include <tqslider.h>
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#include <tqtooltip.h>
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#include <tqwhatsthis.h>
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// KDE includes
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#include <tdeaction.h>
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#include <tdeconfig.h>
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#include <kdebug.h>
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#include <kinputdialog.h>
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#include <tdelocale.h>
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#include <limits.h>
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#include <math.h>
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#include <stdlib.h>
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// local includes
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#include "ksliderwindow.h"
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KSliderWindow::KSliderWindow(TQWidget* parent, int num ) :
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SliderWindow( parent, "", false, TQt::WStyle_Tool-TQt::WStyle_Maximize ), m_num(num)
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{
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setCaption(i18n( "Slider %1" ).arg( num+1 ) );
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TQToolTip::add( slider, i18n( "Slider no. %1" ).arg( num+1 ));
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TQWhatsThis::add( this, i18n( "Move slider to change the parameter of the function plot connected to this slider." ) );
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// load the min and max value + the current value
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TDEConfig config( "kmplotrc" );
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config.setGroup( "slider" + TQString::number(num) );
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slider->setMinValue( config.readNumEntry( "min", 0) );
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slider->setMaxValue( config.readNumEntry( "max", 100) );
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slider->setValue( config.readNumEntry( "value", 50) );
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slider->setPageStep( (int)ceil((abs(slider->minValue()) + abs(slider->maxValue()))/10.) );
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slider->installEventFilter(this);
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installEventFilter(this);
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m_popupmenu = new TDEPopupMenu(this);
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TDEAction *mnuMinValue = new TDEAction(i18n("&Change Minimum Value") ,0,this, TQ_SLOT( mnuMinValue_clicked() ),0);
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mnuMinValue->plug(m_popupmenu);
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TDEAction *mnuMaxValue = new TDEAction(i18n("&Change Maximum Value") ,0,this, TQ_SLOT( mnuMaxValue_clicked() ),0 );
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mnuMaxValue->plug(m_popupmenu);
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}
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KSliderWindow::~KSliderWindow()
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{
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// save the min and max value + the current value
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TDEConfig config( "kmplotrc" );
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config.setGroup( "slider" + TQString::number(m_num) );
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config.writeEntry( "min", slider->minValue() );
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config.writeEntry( "max", slider->maxValue() );
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config.writeEntry( "value", slider->value() );
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}
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bool KSliderWindow::eventFilter( TQObject *obj, TQEvent *ev )
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{
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if (ev->type() == TQEvent::MouseButtonPress)
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{
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TQMouseEvent *e = (TQMouseEvent *)ev;
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if (e->button() != TQt::RightButton)
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return SliderWindow::eventFilter( obj, ev );
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m_popupmenu->exec(TQCursor::pos());
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return true;
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}
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return SliderWindow::eventFilter( obj, ev );
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}
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void KSliderWindow::closeEvent( TQCloseEvent * e)
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{
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emit windowClosed(m_num);
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e->accept();
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}
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void KSliderWindow::mnuMinValue_clicked()
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{
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bool ok;
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int const result = KInputDialog::getInteger(i18n("Change Minimum Value"), i18n("Type a new minimum value for the slider:"), slider->minValue(), INT_MIN, INT_MAX, 1, 10, &ok);
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if (!ok)
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return;
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slider->setMinValue(result);
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slider->setPageStep( (int)ceil((abs(slider->maxValue()) + abs(result))/10.) );
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setFocus();
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}
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void KSliderWindow::mnuMaxValue_clicked()
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{
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bool ok;
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int const result = KInputDialog::getInteger(i18n("Change Maximum Value"), i18n("Type a new maximum value for the slider:"), slider->maxValue(), INT_MIN, INT_MAX, 1, 10, &ok);
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if (!ok)
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return;
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slider->setMaxValue(result);
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slider->setPageStep( (int)ceil((abs(slider->minValue()) + abs(result))/10.) );
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setFocus();
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}
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#include "ksliderwindow.moc"
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