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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2009 by Enrico Ros <enrico.ros@gmail.com> *
* *
* 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. *
* *
***************************************************************************/
#include "PropertyEditors.h"
PE_AbstractSlider::PE_AbstractSlider(QAbstractSlider * _slider, QObject * _target, const char * propertyName, QObject * parent)
: PE_TypeControl<QAbstractSlider>(_slider, _target, propertyName, parent)
{
// read initial value and link to property changes
slotPropertyChanged();
PE_LISTEN_TO_PROPERTY(slotPropertyChanged());
// link to the slider changes
connect(m_control.data(), SIGNAL(valueChanged(int)), this, SLOT(slotSliderValueChanged(int)));
// allow Int and Double properties only
if (m_property.type() != QVariant::Int && m_property.type() != QVariant::Double)
qWarning("PE_AbstractSlider: unhandled property '%s' of type %d", propertyName, (int)m_property.type());
else
m_isValid = true;
}
void PE_AbstractSlider::slotSliderValueChanged(int intValue)
{
// skip if link dropped
if (!m_control || !m_target)
return;
// QVariant::Int: properties are directly linked to the slider
if (m_property.type() == QVariant::Int) {
m_property.write(m_target.data(), intValue);
}
// QVariant::Double: remap to the 0..1 range
else if (m_property.type() == QVariant::Double) {
if (m_control->maximum() > m_control->minimum()) {
#if 1 // ### remove this HACK (don't go to 0, for opacity) for 1.0
qreal realVal = (qreal)(intValue - m_control->minimum() + 1) / (qreal)(m_control->maximum() - m_control->minimum() + 1);
#else
qreal realVal = (qreal)(intValue - m_control->minimum()) / (qreal)(m_control->maximum() - m_control->minimum());
#endif
m_property.write(m_target.data(), realVal);
}
}
}
void PE_AbstractSlider::slotPropertyChanged()
{
// skip if link dropped
if (!m_control || !m_target)
return;
// QVariant::Int: slider gets the property value
if (m_property.type() == QVariant::Int) {
int intValue = m_property.read(m_target.data()).toInt();
m_control->setValue(intValue);
}
// QVariant::Double: slider is scrolled from start to stop for the 0..1 property value
else if (m_property.type() == QVariant::Double) {
qreal realValue = m_property.read(m_target.data()).toDouble();
int intValue = m_control->minimum() + (int)(realValue * (m_control->maximum() - m_control->minimum()));
m_control->setValue(intValue);
}
}
PE_AbstractButton::PE_AbstractButton(QAbstractButton * _button, QObject * _target, const char * propertyName, QObject * parent)
: PE_TypeControl<QAbstractButton>(_button, _target, propertyName, parent)
{
// read initial value and link to property changes
slotPropertyChanged();
PE_LISTEN_TO_PROPERTY(slotPropertyChanged());
// link to the abstract button checkstate change
connect(m_control.data(), SIGNAL(toggled(bool)), this, SLOT(slotButtonChecked(bool)));
// allow Bool properties only
if (m_property.type() != QVariant::Bool)
qWarning("PE_AbstractSlider: unhandled property '%s' of type %d", propertyName, (int)m_property.type());
else
m_isValid = true;
}
void PE_AbstractButton::slotButtonChecked(bool boolValue)
{
// set the property to the current state of the button
if (m_control && m_target && (m_property.type() == QVariant::Int || m_property.type() == QVariant::Bool))
m_property.write(m_target.data(), boolValue);
}
void PE_AbstractButton::slotPropertyChanged()
{
// set the button check state as the bool property
if (m_control && m_target && (m_property.type() == QVariant::Int || m_property.type() == QVariant::Bool)) {
bool boolValue = m_property.read(m_target.data()).toBool();
m_control->setChecked(boolValue);
}
}
PE_Combo::PE_Combo(QComboBox * _combo, QObject * _target, const char * propertyName, QObject * parent)
: PE_TypeControl<QComboBox>(_combo, _target, propertyName, parent)
{
// read initial value and link to property changes
slotPropertyChanged();
PE_LISTEN_TO_PROPERTY(slotPropertyChanged());
// link to the abstract button checkstate change
connect(m_control.data(), SIGNAL(currentIndexChanged(int)), this, SLOT(slotComboChanged(int)));
// allow Bool properties only
if (m_property.type() != QVariant::Int)
qWarning("PE_Combo: unhandled property '%s' of type %d", propertyName, (int)m_property.type());
else
m_isValid = true;
}
void PE_Combo::slotComboChanged(int intValue)
{
// set the property to the current state of the button
if (m_control && m_target && (m_property.type() == QVariant::Int))
m_property.write(m_target.data(), intValue);
}
void PE_Combo::slotPropertyChanged()
{
// set the button check state as the bool property
if (m_control && m_target && (m_property.type() == QVariant::Int)) {
int intValue = m_property.read(m_target.data()).toInt();
m_control->setCurrentIndex(intValue);
}
}
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