comparison widgets/PropertyBox.cpp @ 0:2a4f26e85b4c

initial import

+/* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    A waveform viewer and audio annotation editor.
+    Chris Cannam, Queen Mary University of London, 2005
+    
+    This is experimental software.  Not for distribution.
+*/
+
+#include "PropertyBox.h"
+
+#include "base/PropertyContainer.h"
+
+#include "AudioDial.h"
+
+#include <QGridLayout>
+#include <QHBoxLayout>
+#include <QCheckBox>
+#include <QComboBox>
+#include <QLabel>
+
+#include <cassert>
+#include <iostream>
+
+//#define DEBUG_PROPERTY_BOX 1
+
+PropertyBox::PropertyBox(PropertyContainer *container) :
+    m_container(container)
+{
+#ifdef DEBUG_PROPERTY_BOX
+    std::cerr << "PropertyBox[" << this << "(\"" <<
+	container->getPropertyContainerName().toStdString() << "\")]::PropertyBox" << std::endl;
+#endif
+
+    m_layout = new QGridLayout;
+    setLayout(m_layout);
+
+    PropertyContainer::PropertyList properties = container->getProperties();
+
+    blockSignals(true);
+
+    size_t i;
+
+    for (i = 0; i < properties.size(); ++i) {
+	updatePropertyEditor(properties[i]);
+    }
+
+    blockSignals(false);
+
+    m_layout->setRowStretch(m_layout->rowCount(), 10);
+
+#ifdef DEBUG_PROPERTY_BOX
+    std::cerr << "PropertyBox[" << this << "]::PropertyBox returning" << std::endl;
+#endif
+}
+
+PropertyBox::~PropertyBox()
+{
+#ifdef DEBUG_PROPERTY_BOX
+    std::cerr << "PropertyBox[" << this << "(\"" << m_container->getPropertyContainerName().toStdString() << "\")]::~PropertyBox" << std::endl;
+#endif
+}
+
+void
+PropertyBox::updatePropertyEditor(PropertyContainer::PropertyName name)
+{
+    PropertyContainer::PropertyType type = m_container->getPropertyType(name);
+    int row = m_layout->rowCount();
+
+    int min = 0, max = 0, value = 0;
+    value = m_container->getPropertyRangeAndValue(name, &min, &max);
+
+    bool have = (m_propertyControllers.find(name) !=
+		 m_propertyControllers.end());
+
+    QString groupName = m_container->getPropertyGroupName(name);
+
+#ifdef DEBUG_PROPERTY_BOX
+    std::cerr << "PropertyBox[" << this
+	      << "(\"" << m_container->getPropertyContainerName().toStdString()
+	      << "\")]";
+    std::cerr << "::updatePropertyEditor(\"" << name.toStdString() << "\"):";
+    std::cerr << " value " << value << ", have " << have << ", group \""
+	      << groupName.toStdString() << "\"" << std::endl;
+#endif
+
+    bool inGroup = (groupName != QString());
+
+    if (!have) {
+	if (inGroup) {
+	    if (m_groupLayouts.find(groupName) == m_groupLayouts.end()) {
+#ifdef DEBUG_PROPERTY_BOX
+		std::cerr << "PropertyBox: adding label \"" << groupName.toStdString() << "\" and frame for group for \"" << name.toStdString() << "\"" << std::endl;
+#endif
+		m_layout->addWidget(new QLabel(groupName, this), row, 0);
+		QFrame *frame = new QFrame(this);
+		m_layout->addWidget(frame, row, 1, 1, 2);
+		m_groupLayouts[groupName] = new QHBoxLayout;
+		m_groupLayouts[groupName]->setMargin(0);
+		frame->setLayout(m_groupLayouts[groupName]);
+	    }
+	} else {
+#ifdef DEBUG_PROPERTY_BOX 
+	    std::cerr << "PropertyBox: adding label \"" << name.toStdString() << "\"" << std::endl;
+#endif
+	    m_layout->addWidget(new QLabel(name, this), row, 0);
+	}
+    }
+
+    switch (type) {
+
+    case PropertyContainer::ToggleProperty:
+    {
+	QCheckBox *cb;
+
+	if (have) {
+	    cb = dynamic_cast<QCheckBox *>(m_propertyControllers[name]);
+	    assert(cb);
+	} else {
+#ifdef DEBUG_PROPERTY_BOX 
+	    std::cerr << "PropertyBox: creating new checkbox" << std::endl;
+#endif
+	    cb = new QCheckBox();
+	    cb->setObjectName(name);
+	    connect(cb, SIGNAL(stateChanged(int)),
+		    this, SLOT(propertyControllerChanged(int)));
+	    if (inGroup) {
+		cb->setToolTip(name);
+		m_groupLayouts[groupName]->addWidget(cb);
+	    } else {
+		m_layout->addWidget(cb, row, 1, 1, 2);
+	    }
+	    m_propertyControllers[name] = cb;
+	}
+
+	if (cb->isChecked() != (value > 0)) cb->setChecked(value > 0);
+	break;
+    }
+
+    case PropertyContainer::RangeProperty:
+    {
+	AudioDial *dial;
+
+	if (have) {
+	    dial = dynamic_cast<AudioDial *>(m_propertyControllers[name]);
+	    assert(dial);
+	} else {
+#ifdef DEBUG_PROPERTY_BOX 
+	    std::cerr << "PropertyBox: creating new dial" << std::endl;
+#endif
+	    dial = new AudioDial();
+	    dial->setObjectName(name);
+	    dial->setMinimum(min);
+	    dial->setMaximum(max);
+	    dial->setPageStep(1);
+	    dial->setNotchesVisible(true);
+	    connect(dial, SIGNAL(valueChanged(int)),
+		    this, SLOT(propertyControllerChanged(int)));
+
+	    if (inGroup) {
+		dial->setFixedWidth(24);
+		dial->setFixedHeight(24);
+		dial->setToolTip(name);
+		m_groupLayouts[groupName]->addWidget(dial);
+	    } else {
+		dial->setFixedWidth(32);
+		dial->setFixedHeight(32);
+		m_layout->addWidget(dial, row, 1);
+		QLabel *label = new QLabel(this);
+		connect(dial, SIGNAL(valueChanged(int)),
+			label, SLOT(setNum(int)));
+		label->setNum(value);
+		m_layout->addWidget(label, row, 2);
+	    }
+
+	    m_propertyControllers[name] = dial;
+	}
+
+	if (dial->value() != value) dial->setValue(value);
+	break;
+    }
+
+    case PropertyContainer::ValueProperty:
+    {
+	QComboBox *cb;
+
+	if (have) {
+	    cb = dynamic_cast<QComboBox *>(m_propertyControllers[name]);
+	    assert(cb);
+	} else {
+#ifdef DEBUG_PROPERTY_BOX 
+	    std::cerr << "PropertyBox: creating new combobox" << std::endl;
+#endif
+
+	    cb = new QComboBox();
+	    cb->setObjectName(name);
+	    for (int i = min; i <= max; ++i) {
+		cb->addItem(m_container->getPropertyValueLabel(name, i));
+	    }
+	    connect(cb, SIGNAL(activated(int)),
+		    this, SLOT(propertyControllerChanged(int)));
+	    if (inGroup) {
+		cb->setToolTip(name);
+		m_groupLayouts[groupName]->addWidget(cb);
+	    } else {
+		m_layout->addWidget(cb, row, 1, 1, 2);
+	    }
+	    m_propertyControllers[name] = cb;
+	}
+
+	if (cb->currentIndex() != value) cb->setCurrentIndex(value);
+
+#ifdef Q_WS_MAC
+	// Crashes on startup without this, for some reason
+	cb->setMinimumSize(QSize(10, 10));
+#endif
+
+	break;
+    }
+
+    default:
+	break;
+    }
+}
+
+void
+PropertyBox::propertyContainerPropertyChanged(PropertyContainer *pc)
+{
+    if (pc != m_container) return;
+    
+    PropertyContainer::PropertyList properties = m_container->getProperties();
+    size_t i;
+
+    blockSignals(true);
+
+    for (i = 0; i < properties.size(); ++i) {
+	updatePropertyEditor(properties[i]);
+    }
+
+    blockSignals(false);
+}
+
+void
+PropertyBox::propertyControllerChanged(int value)
+{
+    QObject *obj = sender();
+    QString name = obj->objectName();
+
+//    std::cerr << "PropertyBox::propertyControllerChanged(" << name.toStdString()
+//	      << ", " << value << ")" << std::endl;
+    
+    PropertyContainer::PropertyType type = m_container->getPropertyType(name);
+    
+    if (type != PropertyContainer::InvalidProperty) {
+	m_container->setProperty(name, value);
+    }
+
+    if (type == PropertyContainer::RangeProperty) {
+	AudioDial *dial = dynamic_cast<AudioDial *>(m_propertyControllers[name]);
+	if (dial) {
+	    dial->setToolTip(QString("%1: %2").arg(name).arg(value));
+	    //!!! unfortunately this doesn't update an already-visible tooltip
+	}
+    }
+}
+    
+	    
+
+#ifdef INCLUDE_MOCFILES
+#include "PropertyBox.moc.cpp"
+#endif
+