Added old abandoned KDE3 version of the RoseGarden MIDI tool

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 668 insertions, 0 deletions

diff --git a/src/gui/widgets/TimeWidget.cpp b/src/gui/widgets/TimeWidget.cpp
new file mode 100644
index 0000000..b9bad6f
--- /dev/null
+++ b/src/gui/widgets/TimeWidget.cpp
@@ -0,0 +1,668 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <[email protected]>,
+        Chris Cannam        <[email protected]>,
+        Richard Bown        <[email protected]>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    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 "TimeWidget.h"
+#include <qlayout.h>
+
+#include <klocale.h>
+#include "misc/Debug.h"
+#include "base/Composition.h"
+#include "base/NotationTypes.h"
+#include "base/RealTime.h"
+#include "gui/editors/notation/NotationStrings.h"
+#include "gui/editors/notation/NotePixmapFactory.h"
+#include <qcombobox.h>
+#include <qframe.h>
+#include <qgroupbox.h>
+#include <qlabel.h>
+#include <qlineedit.h>
+#include <qpixmap.h>
+#include <qspinbox.h>
+#include <qstring.h>
+#include <qwidget.h>
+
+
+namespace Rosegarden
+{
+
+TimeWidget::TimeWidget(QString title,
+                       QWidget *parent,
+                       Composition *composition,
+                       timeT absTime,
+                       bool editable,
+                       bool constrainToCompositionDuration) :
+        QGroupBox(1, Horizontal, title, parent),
+        m_composition(composition),
+        m_isDuration(false),
+        m_constrain(constrainToCompositionDuration),
+        m_time(absTime),
+        m_startTime(0),
+        m_defaultTime(absTime)
+{
+    init(editable);
+}
+
+TimeWidget::TimeWidget(QString title,
+                       QWidget *parent,
+                       Composition *composition,
+                       timeT startTime,
+                       timeT duration,
+                       bool editable,
+                       bool constrainToCompositionDuration) :
+        QGroupBox(1, Horizontal, title, parent),
+        m_composition(composition),
+        m_isDuration(true),
+        m_constrain(constrainToCompositionDuration),
+        m_time(duration),
+        m_startTime(startTime),
+        m_defaultTime(duration)
+{
+    init(editable);
+}
+
+void
+TimeWidget::init(bool editable)
+{
+    int denoms[] = {
+                       1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128
+                   };
+
+    bool savedEditable = editable;
+    editable = true;
+
+    QFrame *frame = new QFrame(this);
+    QGridLayout *layout = new QGridLayout(frame, 7, 3, 5, 5);
+    QLabel *label = 0;
+
+    if (m_isDuration) {
+
+        label = new QLabel(i18n("Note:"), frame);
+        label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+        layout->addWidget(label, 0, 0);
+
+        if (editable) {
+            m_note = new QComboBox(frame);
+            m_noteDurations.push_back(0);
+            m_note->insertItem(i18n("<inexact>"));
+            for (size_t i = 0; i < sizeof(denoms) / sizeof(denoms[0]); ++i) {
+
+                timeT duration =
+                    Note(Note::Breve).getDuration() / denoms[i];
+
+                if (denoms[i] > 1 && denoms[i] < 128 && (denoms[i] % 3) != 0) {
+                    // not breve or hemidemi, not a triplet
+                    timeT dottedDuration = duration * 3 / 2;
+                    m_noteDurations.push_back(dottedDuration);
+                    timeT error = 0;
+                    QString label = NotationStrings::makeNoteMenuLabel
+                                    (dottedDuration, false, error);
+                    QPixmap pmap = NotePixmapFactory::toQPixmap
+                                   (NotePixmapFactory::makeNoteMenuPixmap(dottedDuration, error));
+                    m_note->insertItem(pmap, label); // ignore error
+                }
+
+                m_noteDurations.push_back(duration);
+                timeT error = 0;
+                QString label = NotationStrings::makeNoteMenuLabel
+                                (duration, false, error);
+                QPixmap pmap = NotePixmapFactory::toQPixmap
+                               (NotePixmapFactory::makeNoteMenuPixmap(duration, error));
+                m_note->insertItem(pmap, label); // ignore error
+            }
+            connect(m_note, SIGNAL(activated(int)),
+                    this, SLOT(slotNoteChanged(int)));
+            layout->addMultiCellWidget(m_note, 0, 0, 1, 3);
+
+        } else {
+
+            m_note = 0;
+            timeT error = 0;
+            QString label = NotationStrings::makeNoteMenuLabel
+                            (m_time, false, error);
+            if (error != 0)
+                label = i18n("<inexact>");
+            QLineEdit *le = new QLineEdit(label, frame);
+            le->setReadOnly(true);
+            layout->addMultiCellWidget(le, 0, 0, 1, 3);
+        }
+
+        label = new QLabel(i18n("Units:"), frame);
+        label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+        layout->addWidget(label, 0, 4);
+
+        if (editable) {
+            m_timeT = new QSpinBox(frame);
+            m_timeT->setLineStep
+            (Note(Note::Shortest).getDuration());
+            connect(m_timeT, SIGNAL(valueChanged(int)),
+                    this, SLOT(slotTimeTChanged(int)));
+            layout->addWidget(m_timeT, 0, 5);
+        } else {
+            m_timeT = 0;
+            QLineEdit *le = new QLineEdit(QString("%1").arg(m_time), frame);
+            le->setReadOnly(true);
+            layout->addWidget(le, 0, 5);
+        }
+
+    } else {
+
+        m_note = 0;
+
+        label = new QLabel(i18n("Time:"), frame);
+        label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+        layout->addWidget(label, 0, 0);
+
+        if (editable) {
+            m_timeT = new QSpinBox(frame);
+            m_timeT->setLineStep
+            (Note(Note::Shortest).getDuration());
+            connect(m_timeT, SIGNAL(valueChanged(int)),
+                    this, SLOT(slotTimeTChanged(int)));
+            layout->addWidget(m_timeT, 0, 1);
+            layout->addWidget(new QLabel(i18n("units"), frame), 0, 2);
+        } else {
+            m_timeT = 0;
+            QLineEdit *le = new QLineEdit(QString("%1").arg(m_time), frame);
+            le->setReadOnly(true);
+            layout->addWidget(le, 0, 2);
+        }
+    }
+
+    label = new QLabel(m_isDuration ? i18n("Measures:") : i18n("Measure:"), frame);
+    label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+    layout->addWidget(label, 1, 0);
+
+    if (editable) {
+        m_barLabel = 0;
+        m_bar = new QSpinBox(frame);
+        if (m_isDuration)
+            m_bar->setMinValue(0);
+        connect(m_bar, SIGNAL(valueChanged(int)),
+                this, SLOT(slotBarBeatOrFractionChanged(int)));
+        layout->addWidget(m_bar, 1, 1);
+    } else {
+        m_bar = 0;
+        m_barLabel = new QLineEdit(frame);
+        m_barLabel->setReadOnly(true);
+        layout->addWidget(m_barLabel, 1, 1);
+    }
+
+    label = new QLabel(m_isDuration ? i18n("beats:") : i18n("beat:"), frame);
+    label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+    layout->addWidget(label, 1, 2);
+
+    if (editable) {
+        m_beatLabel = 0;
+        m_beat = new QSpinBox(frame);
+        m_beat->setMinValue(1);
+        connect(m_beat, SIGNAL(valueChanged(int)),
+                this, SLOT(slotBarBeatOrFractionChanged(int)));
+        layout->addWidget(m_beat, 1, 3);
+    } else {
+        m_beat = 0;
+        m_beatLabel = new QLineEdit(frame);
+        m_beatLabel->setReadOnly(true);
+        layout->addWidget(m_beatLabel, 1, 3);
+    }
+
+    label = new QLabel(i18n("%1:").arg(NotationStrings::getShortNoteName
+                                       (Note
+                                        (Note::Shortest), true)),
+                       frame);
+    label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+    layout->addWidget(label, 1, 4);
+
+    if (editable) {
+        m_fractionLabel = 0;
+        m_fraction = new QSpinBox(frame);
+        m_fraction->setMinValue(1);
+        connect(m_fraction, SIGNAL(valueChanged(int)),
+                this, SLOT(slotBarBeatOrFractionChanged(int)));
+        layout->addWidget(m_fraction, 1, 5);
+    } else {
+        m_fraction = 0;
+        m_fractionLabel = new QLineEdit(frame);
+        m_fractionLabel->setReadOnly(true);
+        layout->addWidget(m_fractionLabel, 1, 5);
+    }
+
+    m_timeSig = new QLabel(frame);
+    layout->addWidget(m_timeSig, 1, 6);
+
+    label = new QLabel(i18n("Seconds:"), frame);
+    label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+    layout->addWidget(label, 2, 0);
+
+    if (editable) {
+        m_secLabel = 0;
+        m_sec = new QSpinBox(frame);
+        if (m_isDuration)
+            m_sec->setMinValue(0);
+        connect(m_sec, SIGNAL(valueChanged(int)),
+                this, SLOT(slotSecOrMSecChanged(int)));
+        layout->addWidget(m_sec, 2, 1);
+    } else {
+        m_sec = 0;
+        m_secLabel = new QLineEdit(frame);
+        m_secLabel->setReadOnly(true);
+        layout->addWidget(m_secLabel, 2, 1);
+    }
+
+    label = new QLabel(i18n("msec:"), frame);
+    label->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
+    layout->addWidget(label, 2, 2);
+
+    if (editable) {
+        m_msecLabel = 0;
+        m_msec = new QSpinBox(frame);
+        m_msec->setMinValue(0);
+        m_msec->setLineStep(10);
+        connect(m_msec, SIGNAL(valueChanged(int)),
+                this, SLOT(slotSecOrMSecChanged(int)));
+        layout->addWidget(m_msec, 2, 3);
+    } else {
+        m_msec = 0;
+        m_msecLabel = new QLineEdit(frame);
+        m_msecLabel->setReadOnly(true);
+        layout->addWidget(m_msecLabel, 2, 3);
+    }
+
+    if (m_isDuration) {
+        m_tempo = new QLabel(frame);
+        layout->addWidget(m_tempo, 2, 6);
+    } else {
+        m_tempo = 0;
+    }
+
+    if (!savedEditable) {
+        if (m_note)
+            m_note ->setEnabled(false);
+        if (m_timeT)
+            m_timeT ->setEnabled(false);
+        if (m_bar)
+            m_bar ->setEnabled(false);
+        if (m_beat)
+            m_beat ->setEnabled(false);
+        if (m_fraction)
+            m_fraction ->setEnabled(false);
+        if (m_sec)
+            m_sec ->setEnabled(false);
+        if (m_msec)
+            m_msec ->setEnabled(false);
+    }
+
+    populate();
+}
+
+void
+TimeWidget::populate()
+{
+    // populate everything from m_time and m_startTime
+
+    if (m_note)
+        m_note ->blockSignals(true);
+    if (m_timeT)
+        m_timeT ->blockSignals(true);
+    if (m_bar)
+        m_bar ->blockSignals(true);
+    if (m_beat)
+        m_beat ->blockSignals(true);
+    if (m_fraction)
+        m_fraction ->blockSignals(true);
+    if (m_sec)
+        m_sec ->blockSignals(true);
+    if (m_msec)
+        m_msec ->blockSignals(true);
+
+    if (m_isDuration) {
+
+        if (m_time + m_startTime > m_composition->getEndMarker()) {
+            m_time = m_composition->getEndMarker() - m_startTime;
+        }
+
+        if (m_timeT) {
+            m_timeT->setMinValue(0);
+            if (m_constrain) {
+                m_timeT->setMaxValue(m_composition->getEndMarker() - m_startTime);
+            } else {
+                m_timeT->setMaxValue(INT_MAX);
+            }
+            m_timeT->setValue(m_time);
+        }
+
+        if (m_note) {
+            m_note->setCurrentItem(0);
+            for (size_t i = 0; i < m_noteDurations.size(); ++i) {
+                if (m_time == m_noteDurations[i]) {
+                    m_note->setCurrentItem(i);
+                    break;
+                }
+            }
+        }
+
+        // the bar/beat etc timings are considered to be times of a note
+        // starting at the start of a bar, in the time signature in effect
+        // at m_startTime
+
+        int bars = 0, beats = 0, hemidemis = 0, remainder = 0;
+        m_composition->getMusicalTimeForDuration(m_startTime, m_time,
+                bars, beats, hemidemis, remainder);
+        TimeSignature timeSig =
+            m_composition->getTimeSignatureAt(m_startTime);
+
+        if (m_bar) {
+            m_bar->setMinValue(0);
+            if (m_constrain) {
+                m_bar->setMaxValue
+                    (m_composition->getBarNumber(m_composition->getEndMarker()) -
+                     m_composition->getBarNumber(m_startTime));
+            } else {
+                m_bar->setMaxValue(9999);
+            }
+            m_bar->setValue(bars);
+        } else {
+            m_barLabel->setText(QString("%1").arg(bars));
+        }
+
+        if (m_beat) {
+            m_beat->setMinValue(0);
+            m_beat->setMaxValue(timeSig.getBeatsPerBar() - 1);
+            m_beat->setValue(beats);
+        } else {
+            m_beatLabel->setText(QString("%1").arg(beats));
+        }
+
+        if (m_fraction) {
+            m_fraction->setMinValue(0);
+            m_fraction->setMaxValue(timeSig.getBeatDuration() /
+                                    Note(Note::Shortest).
+                                    getDuration() - 1);
+            m_fraction->setValue(hemidemis);
+        } else {
+            m_fractionLabel->setText(QString("%1").arg(hemidemis));
+        }
+
+        m_timeSig->setText(i18n("(%1/%2 time)").arg(timeSig.getNumerator()).
+                           arg(timeSig.getDenominator()));
+
+        timeT endTime = m_startTime + m_time;
+
+        RealTime rt = m_composition->getRealTimeDifference
+                      (m_startTime, endTime);
+
+        if (m_sec) {
+            m_sec->setMinValue(0);
+            if (m_constrain) {
+                m_sec->setMaxValue(m_composition->getRealTimeDifference
+                                   (m_startTime, m_composition->getEndMarker()).sec);
+            } else {
+                m_sec->setMaxValue(9999);
+            }
+            m_sec->setValue(rt.sec);
+        } else {
+            m_secLabel->setText(QString("%1").arg(rt.sec));
+        }
+
+        if (m_msec) {
+            m_msec->setMinValue(0);
+            m_msec->setMaxValue(999);
+            m_msec->setValue(rt.msec());
+        } else {
+            m_msecLabel->setText(QString("%1").arg(rt.msec()));
+        }
+
+        bool change = (m_composition->getTempoChangeNumberAt(endTime) !=
+                       m_composition->getTempoChangeNumberAt(m_startTime));
+
+        //!!! imprecise -- better to work from tempoT directly
+        double tempo = m_composition->getTempoQpm(m_composition->getTempoAtTime(m_startTime));
+
+        int qpmc = int(tempo * 100.0);
+        int bpmc = qpmc;
+        if (timeSig.getBeatDuration()
+                != Note(Note::Crotchet).getDuration()) {
+            bpmc = int(tempo * 100.0 *
+                       Note(Note::Crotchet).getDuration() /
+                       timeSig.getBeatDuration());
+        }
+        if (change) {
+            if (bpmc != qpmc) {
+                m_tempo->setText(i18n("(starting %1.%2 qpm, %2.%3 bpm)").
+                                 arg(qpmc / 100).
+                                 arg(qpmc % 100).
+                                 arg(bpmc / 100).
+                                 arg(bpmc % 100));
+            } else {
+                m_tempo->setText(i18n("(starting %1.%2 bpm)").
+                                 arg(bpmc / 100).
+                                 arg(bpmc % 100));
+            }
+        } else {
+            if (bpmc != qpmc) {
+                m_tempo->setText(i18n("(%1.%2 qpm, %2.%3 bpm)").
+                                 arg(qpmc / 100).
+                                 arg(qpmc % 100).
+                                 arg(bpmc / 100).
+                                 arg(bpmc % 100));
+            } else {
+                m_tempo->setText(i18n("(%1.%2 bpm)").
+                                 arg(bpmc / 100).
+                                 arg(bpmc % 100));
+            }
+        }
+
+    } else {
+
+        if (m_time > m_composition->getEndMarker()) {
+            m_time = m_composition->getEndMarker();
+        }
+
+        if (m_timeT) {
+            if (m_constrain) {
+                m_timeT->setMinValue(m_composition->getStartMarker());
+                m_timeT->setMaxValue(m_composition->getEndMarker());
+            } else {
+                m_timeT->setMinValue(INT_MIN);
+                m_timeT->setMaxValue(INT_MAX);
+            }
+            m_timeT->setValue(m_time);
+        }
+
+        int bar = 1, beat = 1, hemidemis = 0, remainder = 0;
+        m_composition->getMusicalTimeForAbsoluteTime
+        (m_time, bar, beat, hemidemis, remainder);
+
+        TimeSignature timeSig =
+            m_composition->getTimeSignatureAt(m_time);
+
+        if (m_bar) {
+            m_bar->setMinValue(INT_MIN);
+            if (m_constrain) {
+                m_bar->setMaxValue(m_composition->getBarNumber
+                                   (m_composition->getEndMarker()));
+            } else {
+                m_bar->setMaxValue(9999);
+            }
+            m_bar->setValue(bar + 1);
+        } else {
+            m_barLabel->setText(QString("%1").arg(bar + 1));
+        }
+
+        if (m_beat) {
+            m_beat->setMinValue(1);
+            m_beat->setMaxValue(timeSig.getBeatsPerBar());
+            m_beat->setValue(beat);
+        } else {
+            m_beatLabel->setText(QString("%1").arg(beat));
+        }
+
+        if (m_fraction) {
+            m_fraction->setMinValue(0);
+            m_fraction->setMaxValue(timeSig.getBeatDuration() /
+                                    Note(Note::Shortest).
+                                    getDuration() - 1);
+            m_fraction->setValue(hemidemis);
+        } else {
+            m_fractionLabel->setText(QString("%1").arg(hemidemis));
+        }
+
+        m_timeSig->setText(i18n("(%1/%2 time)").arg(timeSig.getNumerator()).
+                           arg(timeSig.getDenominator()));
+
+        RealTime rt = m_composition->getElapsedRealTime(m_time);
+
+        if (m_sec) {
+            m_sec->setMinValue(INT_MIN);
+            if (m_constrain) {
+                m_sec->setMaxValue(m_composition->getElapsedRealTime
+                                   (m_composition->getEndMarker()).sec);
+            } else {
+                m_sec->setMaxValue(9999);
+            }
+            m_sec->setValue(rt.sec);
+        } else {
+            m_secLabel->setText(QString("%1").arg(rt.sec));
+        }
+
+        if (m_msec) {
+            m_msec->setMinValue(0);
+            m_msec->setMaxValue(999);
+            m_msec->setValue(rt.msec());
+        } else {
+            m_msecLabel->setText(QString("%1").arg(rt.msec()));
+        }
+    }
+
+    if (m_note)
+        m_note ->blockSignals(false);
+    if (m_timeT)
+        m_timeT ->blockSignals(false);
+    if (m_bar)
+        m_bar ->blockSignals(false);
+    if (m_beat)
+        m_beat ->blockSignals(false);
+    if (m_fraction)
+        m_fraction ->blockSignals(false);
+    if (m_sec)
+        m_sec ->blockSignals(false);
+    if (m_msec)
+        m_msec ->blockSignals(false);
+}
+
+timeT
+TimeWidget::getTime()
+{
+    return m_time;
+}
+
+RealTime
+TimeWidget::getRealTime()
+{
+    if (m_isDuration) {
+        return m_composition->getRealTimeDifference(m_startTime,
+                m_startTime + m_time);
+    } else {
+        return m_composition->getElapsedRealTime(m_time);
+    }
+}
+
+void
+TimeWidget::slotSetTime(timeT t)
+{
+    bool change = (m_time != t);
+    if (!change)
+        return ;
+    m_time = t;
+    populate();
+    emit timeChanged(getTime());
+    emit realTimeChanged(getRealTime());
+}
+
+void
+TimeWidget::slotSetRealTime(RealTime rt)
+{
+    if (m_isDuration) {
+        RealTime startRT = m_composition->getElapsedRealTime(m_startTime);
+        if (rt >= RealTime::zeroTime) {
+            slotSetTime(m_composition->getElapsedTimeForRealTime(startRT + rt) -
+                        m_startTime);
+        } else {
+            RG_DEBUG << "WARNING: TimeWidget::slotSetRealTime: rt must be >0 for duration widget (was " << rt << ")" << endl;
+        }
+    } else {
+        slotSetTime(m_composition->getElapsedTimeForRealTime(rt));
+    }
+}
+
+void
+TimeWidget::slotResetToDefault()
+{
+    slotSetTime(m_defaultTime);
+}
+
+void
+TimeWidget::slotNoteChanged(int n)
+{
+    if (n > 0) {
+        slotSetTime(m_noteDurations[n]);
+    }
+}
+
+void
+TimeWidget::slotTimeTChanged(int t)
+{
+    RG_DEBUG << "slotTimeTChanged: t is " << t << ", value is " << m_timeT->value() << endl;
+
+    slotSetTime(t);
+}
+
+void
+TimeWidget::slotBarBeatOrFractionChanged(int)
+{
+    int bar = m_bar->value();
+    int beat = m_beat->value();
+    int fraction = m_fraction->value();
+
+    if (m_isDuration) {
+        slotSetTime(m_composition->getDurationForMusicalTime
+                    (m_startTime, bar, beat, fraction, 0));
+
+    } else {
+        slotSetTime(m_composition->getAbsoluteTimeForMusicalTime
+                    (bar, beat, fraction, 0));
+    }
+}
+
+void
+TimeWidget::slotSecOrMSecChanged(int)
+{
+    int sec = m_sec->value();
+    int msec = m_msec->value();
+
+    slotSetRealTime(RealTime(sec, msec * 1000000));
+}
+
+}
+#include "TimeWidget.moc"