diff widgets/ItemEditDialog.cpp @ 0:fc9323a41f5a

start base : Sonic Visualiser sv1-1.0rc1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgets/ItemEditDialog.cpp	Fri May 11 09:08:14 2007 +0000
@@ -0,0 +1,378 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006 Chris Cannam.
+    
+    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 "ItemEditDialog.h"
+
+#include <QLineEdit>
+#include <QDoubleSpinBox>
+#include <QSpinBox>
+#include <QGridLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QGroupBox>
+
+#include <float.h> // for FLT_MIN/MAX
+
+
+ItemEditDialog::ItemEditDialog(size_t sampleRate, int options,
+                               QString valueUnits, QWidget *parent) :
+    QDialog(parent),
+    m_sampleRate(sampleRate),
+    m_frameTimeSpinBox(0),
+    m_realTimeSecsSpinBox(0),
+    m_realTimeUSecsSpinBox(0),
+    m_frameDurationSpinBox(0),
+    m_realDurationSecsSpinBox(0),
+    m_realDurationUSecsSpinBox(0),
+    m_valueSpinBox(0),
+    m_textField(0)
+{
+    QGridLayout *grid = new QGridLayout;
+    setLayout(grid);
+
+    QGroupBox *timeBox = 0;
+    QGroupBox *valueBox = 0;
+    QGridLayout *subgrid = 0;
+
+    int row = 0, subrow = 0;
+
+    size_t singleStep = RealTime::frame2RealTime(2, sampleRate).usec() - 1;
+
+    if ((options & ShowTime) || (options & ShowDuration)) {
+
+        timeBox = new QGroupBox;
+        timeBox->setTitle(tr("Timing"));
+        grid->addWidget(timeBox, row, 0);
+
+        subgrid = new QGridLayout;
+        timeBox->setLayout(subgrid);
+
+        ++row;
+    }
+
+    if (options & ShowTime) {
+
+        subgrid->addWidget(new QLabel(tr("Time:")), subrow, 0);
+
+        m_frameTimeSpinBox = new QSpinBox;
+        m_frameTimeSpinBox->setMaximum(INT_MAX);
+        m_frameTimeSpinBox->setSuffix(tr(" frames"));
+        subgrid->addWidget(m_frameTimeSpinBox, subrow, 1, 1, 2);
+        connect(m_frameTimeSpinBox, SIGNAL(valueChanged(int)),
+                this, SLOT(frameTimeChanged(int)));
+
+        ++subrow;
+
+        m_realTimeSecsSpinBox = new QSpinBox;
+        m_realTimeSecsSpinBox->setMaximum(999999);
+        m_realTimeSecsSpinBox->setSuffix(tr(" sec"));
+        subgrid->addWidget(m_realTimeSecsSpinBox, subrow, 1);
+        connect(m_realTimeSecsSpinBox, SIGNAL(valueChanged(int)),
+                this, SLOT(realTimeSecsChanged(int)));
+
+        m_realTimeUSecsSpinBox = new QSpinBox;
+        m_realTimeUSecsSpinBox->setMaximum(999999);
+        m_realTimeUSecsSpinBox->setSuffix(tr(" usec"));
+        m_realTimeUSecsSpinBox->setSingleStep(singleStep);
+        subgrid->addWidget(m_realTimeUSecsSpinBox, subrow, 2);
+        connect(m_realTimeUSecsSpinBox, SIGNAL(valueChanged(int)),
+                this, SLOT(realTimeUSecsChanged(int)));
+
+        ++subrow;
+    }
+
+    if (options & ShowDuration) {
+
+        subgrid->addWidget(new QLabel(tr("Duration:")), subrow, 0);
+
+        m_frameDurationSpinBox = new QSpinBox;
+        m_frameDurationSpinBox->setMaximum(INT_MAX);
+        m_frameDurationSpinBox->setSuffix(tr(" frames"));
+        subgrid->addWidget(m_frameDurationSpinBox, subrow, 1, 1, 2);
+        connect(m_frameDurationSpinBox, SIGNAL(valueChanged(int)),
+                this, SLOT(frameDurationChanged(int)));
+
+        ++subrow;
+
+        m_realDurationSecsSpinBox = new QSpinBox;
+        m_realDurationSecsSpinBox->setMaximum(999999);
+        m_realDurationSecsSpinBox->setSuffix(tr(" sec"));
+        subgrid->addWidget(m_realDurationSecsSpinBox, subrow, 1);
+        connect(m_realDurationSecsSpinBox, SIGNAL(valueChanged(int)),
+                this, SLOT(realDurationSecsChanged(int)));
+
+        m_realDurationUSecsSpinBox = new QSpinBox;
+        m_realDurationUSecsSpinBox->setMaximum(999999);
+        m_realDurationUSecsSpinBox->setSuffix(tr(" usec"));
+        m_realDurationUSecsSpinBox->setSingleStep(singleStep);
+        subgrid->addWidget(m_realDurationUSecsSpinBox, subrow, 2);
+        connect(m_realDurationUSecsSpinBox, SIGNAL(valueChanged(int)),
+                this, SLOT(realDurationUSecsChanged(int)));
+
+        ++subrow;
+    }
+
+    if ((options & ShowValue) || (options & ShowText)) {
+
+        valueBox = new QGroupBox;
+        valueBox->setTitle(tr("Properties"));
+        grid->addWidget(valueBox, row, 0);
+
+        subgrid = new QGridLayout;
+        valueBox->setLayout(subgrid);
+
+        ++row;
+    }
+
+    subrow = 0;
+
+    if (options & ShowValue) {
+        
+        subgrid->addWidget(new QLabel(tr("Value:")), subrow, 0);
+
+        m_valueSpinBox = new QDoubleSpinBox;
+        m_valueSpinBox->setSuffix(QString(" %1").arg(valueUnits));
+        m_valueSpinBox->setDecimals(10);
+        m_valueSpinBox->setMinimum(-1e100);
+        m_valueSpinBox->setMaximum(1e100);
+        connect(m_valueSpinBox, SIGNAL(valueChanged(double)),
+                this, SLOT(valueChanged(double)));
+        subgrid->addWidget(m_valueSpinBox, subrow, 1);
+
+        ++subrow;
+    }
+
+    if (options & ShowText) {
+        
+        subgrid->addWidget(new QLabel(tr("Text:")), subrow, 0);
+
+        m_textField = new QLineEdit;
+        connect(m_textField, SIGNAL(textChanged(QString)),
+                this, SLOT(textChanged(QString)));
+        subgrid->addWidget(m_textField, subrow, 1);
+
+        ++subrow;
+    }
+
+    if (options & ShowText) {
+        m_textField->setFocus(Qt::OtherFocusReason);
+    } else if (options & ShowValue) {
+        m_valueSpinBox->setFocus(Qt::OtherFocusReason);
+    }
+
+    QHBoxLayout *hbox = new QHBoxLayout;
+    grid->addLayout(hbox, row, 0, 1, 2);
+    
+    QPushButton *ok = new QPushButton(tr("OK"));
+    m_resetButton = new QPushButton(tr("Reset"));
+    QPushButton *cancel = new QPushButton(tr("Cancel"));
+    hbox->addStretch(10);
+    hbox->addWidget(ok);
+    hbox->addWidget(m_resetButton);
+    hbox->addWidget(cancel);
+    ok->setDefault(true);
+    connect(ok, SIGNAL(clicked()), this, SLOT(accept()));
+    connect(m_resetButton, SIGNAL(clicked()), this, SLOT(reset()));
+    connect(cancel, SIGNAL(clicked()), this, SLOT(reject()));
+    m_resetButton->setEnabled(false);
+}
+
+void
+ItemEditDialog::setFrameTime(long frame)
+{
+    if (!m_frameTimeSpinBox) return;
+
+    RealTime rt(RealTime::frame2RealTime(frame, m_sampleRate));
+    m_realTimeSecsSpinBox->setValue(rt.sec);
+    m_realTimeUSecsSpinBox->setValue(rt.usec());
+    m_frameTimeSpinBox->setValue(frame);
+    m_defaultFrame = frame;
+    m_resetButton->setEnabled(false);
+}
+
+long
+ItemEditDialog::getFrameTime() const
+{
+    return m_frameTimeSpinBox->value();
+}
+
+void
+ItemEditDialog::setRealTime(RealTime rt)
+{
+    setFrameTime(RealTime::realTime2Frame(rt, m_sampleRate));
+}
+
+RealTime
+ItemEditDialog::getRealTime() const
+{
+    return RealTime::frame2RealTime(getFrameTime(), m_sampleRate);
+}
+
+void
+ItemEditDialog::setFrameDuration(long duration)
+{
+    if (!m_frameDurationSpinBox) return;
+
+    RealTime rt(RealTime::frame2RealTime(duration, m_sampleRate));
+    m_realDurationSecsSpinBox->setValue(rt.sec);
+    m_realDurationUSecsSpinBox->setValue(rt.usec());
+    m_frameDurationSpinBox->setValue(duration);
+    m_defaultDuration = duration;
+    m_resetButton->setEnabled(false);
+}
+
+long
+ItemEditDialog::getFrameDuration() const
+{
+    return m_frameDurationSpinBox->value();
+}
+
+void
+ItemEditDialog::setRealDuration(RealTime rt)
+{
+    setFrameDuration(RealTime::realTime2Frame(rt, m_sampleRate));
+}
+
+RealTime
+ItemEditDialog::getRealDuration() const
+{
+    return RealTime::frame2RealTime(getFrameDuration(), m_sampleRate);
+}
+
+void
+ItemEditDialog::setValue(float v)
+{
+    if (!m_valueSpinBox) return;
+
+    m_valueSpinBox->setValue(v);
+    m_defaultValue = v;
+    m_resetButton->setEnabled(false);
+}
+
+float
+ItemEditDialog::getValue() const
+{
+    return m_valueSpinBox->value();
+}
+
+void
+ItemEditDialog::setText(QString text)
+{
+    if (!m_textField) return;
+
+    m_textField->setText(text);
+    m_defaultText = text;
+    m_resetButton->setEnabled(false);
+}
+
+QString
+ItemEditDialog::getText() const
+{
+    return m_textField->text();
+}
+
+void
+ItemEditDialog::frameTimeChanged(int i)
+{
+    m_realTimeSecsSpinBox->blockSignals(true);
+    m_realTimeUSecsSpinBox->blockSignals(true);
+
+    RealTime rt(RealTime::frame2RealTime(i, m_sampleRate));
+    m_realTimeSecsSpinBox->setValue(rt.sec);
+    m_realTimeUSecsSpinBox->setValue(rt.usec());
+
+    m_realTimeSecsSpinBox->blockSignals(false);
+    m_realTimeUSecsSpinBox->blockSignals(false);
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::realTimeSecsChanged(int i)
+{
+    RealTime rt = getRealTime();
+    rt.sec = i;
+    size_t frame = RealTime::realTime2Frame(rt, m_sampleRate);
+    m_frameTimeSpinBox->setValue(frame);
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::realTimeUSecsChanged(int i)
+{
+    RealTime rt = getRealTime();
+    rt.nsec = i * 1000;
+    size_t frame = RealTime::realTime2Frame(rt, m_sampleRate);
+    m_frameTimeSpinBox->setValue(frame);
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::frameDurationChanged(int i)
+{
+    m_realDurationSecsSpinBox->blockSignals(true);
+    m_realDurationUSecsSpinBox->blockSignals(true);
+
+    RealTime rt(RealTime::frame2RealTime(i, m_sampleRate));
+    m_realDurationSecsSpinBox->setValue(rt.sec);
+    m_realDurationUSecsSpinBox->setValue(rt.usec());
+
+    m_realDurationSecsSpinBox->blockSignals(false);
+    m_realDurationUSecsSpinBox->blockSignals(false);
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::realDurationSecsChanged(int i)
+{
+    RealTime rt = getRealDuration();
+    rt.sec = i;
+    size_t frame = RealTime::realTime2Frame(rt, m_sampleRate);
+    m_frameDurationSpinBox->setValue(frame);
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::realDurationUSecsChanged(int i)
+{
+    RealTime rt = getRealDuration();
+    rt.nsec = i * 1000;
+    size_t frame = RealTime::realTime2Frame(rt, m_sampleRate);
+    m_frameDurationSpinBox->setValue(frame);
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::valueChanged(double)
+{
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::textChanged(QString)
+{
+    m_resetButton->setEnabled(true);
+}
+
+void
+ItemEditDialog::reset()
+{
+    setFrameTime(m_defaultFrame);
+    setFrameDuration(m_defaultDuration);
+    setValue(m_defaultValue);
+    setText(m_defaultText);
+    m_resetButton->setEnabled(false);
+}
+