eventeditdialog.cpp

LINUX下的混音软件

/* -*- 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 2000-2007
        Guillaume Laurent   <[e-mail]>,
        Chris Cannam        <[e-mail]>,
        Richard Bown        <[e-mail]>
 
    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 "EventEditDialog.h"

#include <klocale.h>
#include "misc/Strings.h"
#include "base/Event.h"
#include "base/MidiTypes.h"
#include "base/NotationTypes.h"
#include "base/PropertyName.h"
#include "base/RealTime.h"
#include "gui/editors/notation/NotePixmapFactory.h"
#include <kdialogbase.h>
#include <kmessagebox.h>
#include <qcheckbox.h>
#include <qfont.h>
#include <qgrid.h>
#include <qgroupbox.h>
#include <qhbox.h>
#include <qlabel.h>
#include <qlineedit.h>
#include <qobject.h>
#include <qobjectlist.h>
#include <qpushbutton.h>
#include <qscrollview.h>
#include <qsize.h>
#include <qspinbox.h>
#include <qstring.h>
#include <qtooltip.h>
#include <qvbox.h>
#include <qwidget.h>


namespace Rosegarden
{

EventEditDialog::EventEditDialog(QWidget *parent,
                                 const Event &event,
                                 bool editable) :
        KDialogBase(parent, 0, true, i18n(editable ? "Advanced Event Edit" : "Advanced Event Viewer"),
                    (editable ? (Ok | Cancel) : Ok)),
        m_durationDisplay(0),
        m_durationDisplayAux(0),
        m_persistentGrid(0),
        m_nonPersistentGrid(0),
        m_nonPersistentView(0),
        m_originalEvent(event),
        m_event(event),
        m_type(event.getType()),
        m_absoluteTime(event.getAbsoluteTime()),
        m_duration(event.getDuration()),
        m_subOrdering(event.getSubOrdering()),
        m_modified(false)
{
    QVBox *vbox = makeVBoxMainWidget();

    QGroupBox *intrinsicBox = new QGroupBox
                              (1, Horizontal, i18n("Intrinsics"), vbox);

    QGrid *intrinsicGrid = new QGrid(4, QGrid::Horizontal, intrinsicBox);

    new QLabel(i18n("Event type: "), intrinsicGrid);
    new QLabel("", intrinsicGrid);
    new QLabel("", intrinsicGrid);
    QLineEdit *lineEdit = new QLineEdit(intrinsicGrid);
    lineEdit->setText(strtoqstr(event.getType()));

    new QLabel(i18n("Absolute time: "), intrinsicGrid);
    new QLabel("", intrinsicGrid);
    new QLabel("", intrinsicGrid);
    QSpinBox *absoluteTime = new QSpinBox
                             (INT_MIN, INT_MAX, Note(Note::Shortest).getDuration(), intrinsicGrid);
    absoluteTime->setValue(event.getAbsoluteTime());
    QObject::connect(absoluteTime, SIGNAL(valueChanged(int)),
                     this, SLOT(slotAbsoluteTimeChanged(int)));
    slotAbsoluteTimeChanged(event.getAbsoluteTime());

    new QLabel(i18n("Duration: "), intrinsicGrid);
    m_durationDisplay = new QLabel("(note)", intrinsicGrid);
    m_durationDisplay->setMinimumWidth(20);
    m_durationDisplayAux = new QLabel("(note)", intrinsicGrid);
    m_durationDisplayAux->setMinimumWidth(20);

    QSpinBox *duration = new QSpinBox
                         (0, INT_MAX, Note(Note::Shortest).getDuration(), intrinsicGrid);
    duration->setValue(event.getDuration());
    QObject::connect(duration, SIGNAL(valueChanged(int)),
                     this, SLOT(slotDurationChanged(int)));
    slotDurationChanged(event.getDuration());

    new QLabel(i18n("Sub-ordering: "), intrinsicGrid);
    new QLabel("", intrinsicGrid);
    new QLabel("", intrinsicGrid);

    QSpinBox *subOrdering = new QSpinBox( -100, 100, 1, intrinsicGrid);
    subOrdering->setValue(event.getSubOrdering());
    QObject::connect(subOrdering, SIGNAL(valueChanged(int)),
                     this, SLOT(slotSubOrderingChanged(int)));
    slotSubOrderingChanged(event.getSubOrdering());

    QGroupBox *persistentBox = new QGroupBox
                               (1, Horizontal, i18n("Persistent properties"), vbox);
    m_persistentGrid = new QGrid(4, QGrid::Horizontal, persistentBox);

    QLabel *label = new QLabel(i18n("Name"), m_persistentGrid);
    QFont font(label->font());
    font.setItalic(true);
    label->setFont(font);

    label = new QLabel(i18n("Type"), m_persistentGrid);
    label->setFont(font);
    label = new QLabel(i18n("Value"), m_persistentGrid);
    label->setFont(font);
    label = new QLabel("", m_persistentGrid);
    label->setFont(font);

    Event::PropertyNames p = event.getPersistentPropertyNames();

    for (Event::PropertyNames::iterator i = p.begin();
            i != p.end(); ++i) {
        addPersistentProperty(*i);
    }

    p = event.getNonPersistentPropertyNames();

    if (p.begin() == p.end()) {
        m_nonPersistentView = 0;
        m_nonPersistentGrid = 0;
    } else {

        QGroupBox *nonPersistentBox = new QGroupBox
                                      (1, Horizontal, i18n("Non-persistent properties"), vbox);
        new QLabel(i18n("These are cached values, lost if the event is modified."),
                   nonPersistentBox);

        m_nonPersistentView = new QScrollView(nonPersistentBox);
        //m_nonPersistentView->setHScrollBarMode(QScrollView::AlwaysOff);
        m_nonPersistentView->setResizePolicy(QScrollView::AutoOneFit);

        m_nonPersistentGrid = new QGrid
                              (4, QGrid::Horizontal, m_nonPersistentView->viewport());
        m_nonPersistentView->addChild(m_nonPersistentGrid);

        m_nonPersistentGrid->setSpacing(4);
        m_nonPersistentGrid->setMargin(5);

        label = new QLabel(i18n("Name       "), m_nonPersistentGrid);
        label->setFont(font);
        label = new QLabel(i18n("Type       "), m_nonPersistentGrid);
        label->setFont(font);
        label = new QLabel(i18n("Value      "), m_nonPersistentGrid);
        label->setFont(font);
        label = new QLabel("", m_nonPersistentGrid);
        label->setFont(font);

        for (Event::PropertyNames::iterator i = p.begin();
                i != p.end(); ++i) {

            new QLabel(strtoqstr(*i), m_nonPersistentGrid, strtoqstr(*i));
            new QLabel(strtoqstr(event.getPropertyTypeAsString(*i)), m_nonPersistentGrid, strtoqstr(*i));
            new QLabel(strtoqstr(event.getAsString(*i)), m_nonPersistentGrid, strtoqstr(*i));
            QPushButton *button = new QPushButton("P", m_nonPersistentGrid, strtoqstr(*i));
            button->setFixedSize(QSize(24, 24));
            QToolTip::add
                (button, i18n("Make persistent"));
            QObject::connect(button, SIGNAL(clicked()),
                             this, SLOT(slotPropertyMadePersistent()));
        }
    }
}

void
EventEditDialog::addPersistentProperty(const PropertyName &name)
{
    QLabel *label = new QLabel(strtoqstr(name), m_persistentGrid, strtoqstr(name));
    label->show();
    label = new QLabel(strtoqstr(m_originalEvent.getPropertyTypeAsString(name)),
                       m_persistentGrid, strtoqstr(name));
    label->show();

    PropertyType type(m_originalEvent.getPropertyType(name));
    switch (type) {

    case Int: {
                int min = INT_MIN, max = INT_MAX;
                // DMM - constrain program changes to a useful range of values
                // Might other types have a similar need for such limits?
                if (m_originalEvent.isa(ProgramChange::EventType)) {
                min = 0;
                max = 127;
            }
        QSpinBox *spinBox = new QSpinBox
                            (min, max, 1, m_persistentGrid, strtoqstr(name));
        spinBox->setValue(m_originalEvent.get<Int>(name));
        QObject::connect(spinBox, SIGNAL(valueChanged(int)),
                         this, SLOT(slotIntPropertyChanged(int)));
        spinBox->show();
        break;
    }
case UInt: {
        int min = 0;
        int max = UINT_MAX;
        if (m_originalEvent.isa(ProgramChange::EventType)) {
                min = 0;
                max = 65535;
            }
            QSpinBox *spinBox = new QSpinBox
                                (min, max, 1, m_persistentGrid, strtoqstr(name));
            spinBox->setValue(m_originalEvent.get<UInt>(name));
            QObject::connect(spinBox, SIGNAL(valueChanged(int)),
                             this, SLOT(slotIntPropertyChanged(int)));
            spinBox->show();
            break;
        }
    case RealTimeT: {
            RealTime realTime = m_originalEvent.get<RealTimeT>(name);

            QHBox* hbox = new QHBox(m_persistentGrid);

            // seconds
            //
            QSpinBox *spinBox = new QSpinBox
                                (INT_MIN, INT_MAX, 1,
                                 hbox, strtoqstr(name) + "%sec");
            spinBox->setValue(realTime.sec);

            QObject::connect(spinBox, SIGNAL(valueChanged(int)),
                             this, SLOT(slotRealTimePropertyChanged(int)));

            // nseconds
            //
            spinBox = new QSpinBox
                      (INT_MIN, INT_MAX, 1,
                       hbox, strtoqstr(name) + "%nsec");
            spinBox->setValue(realTime.nsec);

            QObject::connect(spinBox, SIGNAL(valueChanged(int)),
                             this, SLOT(slotRealTimePropertyChanged(int)));
            spinBox->show();
            break;
        }