view widgets/Slider.cpp @ 282:d9319859a4cf tip

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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*	Sound Access	
		EASAIER client application.	
		Silogic 2007. Laure Bajard. 
	
	This program is free software; you can redistribute it and/or    
	modify it under the terms of the GNU General Public License as    
	published by the Free Software Foundation; either version 2 of the    
	License, or (at your option) any later version.  See the file    
	COPYING included with this distribution for more information.
*/

#include <QVBoxLayout>

#include "Slider.h"

Slider::Slider(QWidget *parent) : QWidget(parent) ,
	m_showTooltip(true)
{
	QHBoxLayout *mainlayout = new QHBoxLayout();
	mainlayout->setMargin(0);

	m_slider = new QSlider(Qt::Horizontal);

	m_label = new QLabel;
	connect(m_slider, SIGNAL(valueChanged(int)), m_label, SLOT(setNum(int)));
	m_label->setNum(value());

	mainlayout->addWidget(m_slider);
	mainlayout->addWidget(m_label);
	
	setLayout(mainlayout);

	connect(m_slider, SIGNAL(valueChanged(int)),
                this, SLOT(updateToolTip()));

	connect(m_slider, SIGNAL(valueChanged(int)),
						this, SIGNAL(valueChanged(int)));
			
}

Slider::Slider(Qt::Orientation orientation, QWidget * parent) : QWidget(parent) ,
	m_showTooltip(true)
{
	QGridLayout *mainlayout = new QGridLayout();
	mainlayout->setMargin(0);

	m_slider = new QSlider(orientation);

	m_label = new QLabel;
	connect(m_slider, SIGNAL(valueChanged(int)), m_label, SLOT(setNum(int)));
	m_label->setNum(value());

	if (orientation == Qt::Horizontal)
	{
		mainlayout->addWidget(m_slider, 0, 0);
		mainlayout->addWidget(m_label, 0, 1);
	} else {
		mainlayout->addWidget(m_slider, 0, 0);
		mainlayout->addWidget(m_label, 1, 0);
	}

	setLayout(mainlayout);

	connect(m_slider, SIGNAL(valueChanged(int)),
                this, SLOT(updateToolTip()));

	connect(m_slider, SIGNAL(valueChanged(int)),
						this, SIGNAL(valueChanged(int)));
}

void Slider::setOrientation(Qt::Orientation or)
{
	QLayout * cur_layout = layout();
	delete cur_layout;

	QGridLayout *mainlayout = new QGridLayout();
	mainlayout->setMargin(0);

	m_slider->setOrientation(or);

	if (or == Qt::Horizontal)
	{
		mainlayout->addWidget(m_slider, 0, 0);
		mainlayout->addWidget(m_label, 0, 1);
	} else {
		mainlayout->addWidget(m_slider, 0, 0);
		mainlayout->addWidget(m_label, 1, 0);
	}

	this->setLayout(mainlayout);

}

Slider::~Slider()
{
}

void
Slider::enterEvent(QEvent *e)
{
    QWidget::enterEvent(e);
	QPalette palette;
	palette.setColor(QPalette::Button,palette.color(QPalette::Highlight));
	setPalette(palette);
    emit mouseEntered();
}

void
Slider::leaveEvent(QEvent *e)
{
    QWidget::enterEvent(e);
	QPalette palette;
	setPalette(palette);
    emit mouseLeft();
}

void Slider::setShowToolTip(bool show)
{
    m_showTooltip = show;
    /*m_noMappedUpdate = true;
    updateMappedValue(value());
    m_noMappedUpdate = false;*/
	updateToolTip();
}

void Slider::updateToolTip()
{	
	if (m_showTooltip) {
        QString name = objectName();
        QString unit = "";
        QString text;
        //if (m_rangeMapper) unit = m_rangeMapper->getUnit();
        if (name != "") {
            text = tr("%1: %2%3").arg(name).arg(value()).arg(unit);
        } else {
            text = tr("%2%3").arg(value()).arg(unit);
        }
        setToolTip(text);
    }
}

void Slider::useLabel(bool val){
	if(val){
		connect(m_slider, SIGNAL(valueChanged(int)), m_label, SLOT(setNum(int)));
		m_label->setVisible(true);
	}else{
		disconnect(m_slider, SIGNAL(valueChanged(int)), m_label, SLOT(setNum(int)));
		m_label->setVisible(false);
		m_label->setText("");
	}
}