triggersegmentmanager.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 "TriggerSegmentManager.h"
#include "TriggerManagerItem.h"
#include <qlayout.h>
#include <kapplication.h>

#include "base/BaseProperties.h"
#include <klocale.h>
#include <kstddirs.h>
#include "misc/Debug.h"
#include "misc/Strings.h"
#include "base/Clipboard.h"
#include "base/Composition.h"
#include "base/CompositionTimeSliceAdapter.h"
#include "base/RealTime.h"
#include "base/Segment.h"
#include "base/TriggerSegment.h"
#include "commands/segment/AddTriggerSegmentCommand.h"
#include "commands/segment/DeleteTriggerSegmentCommand.h"
#include "commands/segment/PasteToTriggerSegmentCommand.h"
#include "document/MultiViewCommandHistory.h"
#include "document/RosegardenGUIDoc.h"
#include "document/ConfigGroups.h"
#include "gui/dialogs/TimeDialog.h"
#include "gui/general/MidiPitchLabel.h"
#include <kaction.h>
#include <kcommand.h>
#include <kglobal.h>
#include <klistview.h>
#include <kmainwindow.h>
#include <kmessagebox.h>
#include <kstdaccel.h>
#include <kstdaction.h>
#include <kconfig.h>
#include <qaccel.h>
#include <qdialog.h>
#include <qframe.h>
#include <qiconset.h>
#include <qlistview.h>
#include <qpushbutton.h>
#include <qsizepolicy.h>
#include <qstring.h>
#include <qtooltip.h>
#include <qvbox.h>
#include <qwidget.h>
#include <qcanvas.h>


namespace Rosegarden
{

TriggerSegmentManager::TriggerSegmentManager(QWidget *parent,
        RosegardenGUIDoc *doc):
        KMainWindow(parent, "triggereditordialog"),
        m_doc(doc),
        m_modified(false)
{
    QVBox* mainFrame = new QVBox(this);
    setCentralWidget(mainFrame);

    setCaption(i18n("Manage Triggered Segments"));

    m_listView = new KListView(mainFrame);
    m_listView->addColumn("Index");
    m_listView->addColumn(i18n("ID"));
    m_listView->addColumn(i18n("Label"));
    m_listView->addColumn(i18n("Duration"));
    m_listView->addColumn(i18n("Base pitch"));
    m_listView->addColumn(i18n("Base velocity"));
    m_listView->addColumn(i18n("Triggers"));

    // Align centrally
    for (int i = 0; i < 2; ++i)
        m_listView->setColumnAlignment(i, Qt::AlignHCenter);

    QFrame* btnBox = new QFrame(mainFrame);

    btnBox->setSizePolicy(
        QSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed));

    QHBoxLayout* layout = new QHBoxLayout(btnBox, 4, 10);

    m_addButton = new QPushButton(i18n("Add"), btnBox);
    m_deleteButton = new QPushButton(i18n("Delete"), btnBox);
    m_deleteAllButton = new QPushButton(i18n("Delete All"), btnBox);

    m_closeButton = new QPushButton(i18n("Close"), btnBox);

    QToolTip::add
        (m_addButton,
                i18n("Add a Triggered Segment"));

    QToolTip::add
        (m_deleteButton,
                i18n("Delete a Triggered Segment"));

    QToolTip::add
        (m_deleteAllButton,
                i18n("Delete All Triggered Segments"));

    QToolTip::add
        (m_closeButton,
                i18n("Close the Triggered Segment Manager"));

    layout->addStretch(10);
    layout->addWidget(m_addButton);
    layout->addWidget(m_deleteButton);
    layout->addWidget(m_deleteAllButton);
    layout->addSpacing(30);

    layout->addWidget(m_closeButton);
    layout->addSpacing(5);

    connect(m_addButton, SIGNAL(released()),
            SLOT(slotAdd()));

    connect(m_deleteButton, SIGNAL(released()),
            SLOT(slotDelete()));

    connect(m_closeButton, SIGNAL(released()),
            SLOT(slotClose()));

    connect(m_deleteAllButton, SIGNAL(released()),
            SLOT(slotDeleteAll()));

    setupActions();

    m_doc->getCommandHistory()->attachView(actionCollection());
    connect(m_doc->getCommandHistory(), SIGNAL(commandExecuted()),
            this, SLOT(slotUpdate()));

    connect(m_listView, SIGNAL(doubleClicked(QListViewItem *)),
            SLOT(slotEdit(QListViewItem *)));

    connect(m_listView, SIGNAL(pressed(QListViewItem *)),
            this, SLOT(slotItemClicked(QListViewItem *)));

    // Highlight all columns - enable extended selection mode
    //
    m_listView->setAllColumnsShowFocus(true);
    m_listView->setSelectionMode(QListView::Extended);
    m_listView->setItemsRenameable(true);

    initDialog();

    setAutoSaveSettings(TriggerManagerConfigGroup, true);

    m_accelerators = new QAccel(this);
}

TriggerSegmentManager::~TriggerSegmentManager()
{
    RG_DEBUG << "TriggerSegmentManager::~TriggerSegmentManager" << endl;

    m_listView->saveLayout(kapp->config(), TriggerManagerConfigGroup);

    if (m_doc)
        m_doc->getCommandHistory()->detachView(actionCollection());
}

void
TriggerSegmentManager::initDialog()
{
    RG_DEBUG << "TriggerSegmentManager::initDialog" << endl;
    slotUpdate();
}

void
TriggerSegmentManager::slotUpdate()
{
    RG_DEBUG << "TriggerSegmentManager::slotUpdate" << endl;

    TriggerManagerItem *item;

    m_listView->clear();

    Composition &comp = m_doc->getComposition();

    const Composition::triggersegmentcontainer &triggers =
        comp.getTriggerSegments();

    Composition::triggersegmentcontainerconstiterator it;

    kapp->config()->setGroup(TriggerManagerConfigGroup);
    int timeMode = kapp->config()->readNumEntry("timemode", 0);

    int i = 0;

    for (it = triggers.begin(); it != triggers.end(); ++it) {

        // duration is as of first usage, or 0

        int uses = 0;
        timeT first = 0;
        std::set
            <int> tracks;

        CompositionTimeSliceAdapter tsa(&m_doc->getComposition());
        for (CompositionTimeSliceAdapter::iterator ci = tsa.begin();
                ci != tsa.end(); ++ci) {
            if ((*ci)->has(BaseProperties::TRIGGER_SEGMENT_ID) &&
                    (*ci)->get
                    <Int>(BaseProperties::TRIGGER_SEGMENT_ID) == (long)(*it)->getId()) {
                ++uses;
                if (tracks.empty()) {
                    first = (*ci)->getAbsoluteTime();
                }
                tracks.insert(ci.getTrack());
            }
        }

        timeT duration =
            (*it)->getSegment()->getEndMarkerTime() -
            (*it)->getSegment()->getStartTime();

        QString timeString = makeDurationString
                             (first, duration, timeMode);

        QString label = strtoqstr((*it)->getSegment()->getLabel());
        if (label == "")
            label = i18n("<no label>");

        QString used = i18n("%1 on 1 track",
                            "%1 on %n tracks",
                            tracks.size()).arg(uses);

        QString pitch = QString("%1 (%2)")
                        .arg(MidiPitchLabel((*it)->getBasePitch()).getQString())
                        .arg((*it)->getBasePitch());

        QString velocity = QString("%1").arg((*it)->getBaseVelocity());

        item = new TriggerManagerItem
               (m_listView, QString("%1").arg(i + 1), QString("%1").arg((*it)->getId()),
                label, timeString, pitch, velocity, used);

        item->setRawDuration(duration);
        item->setId((*it)->getId());
        item->setUsage(uses);
        item->setPitch((*it)->getBasePitch());

        m_listView->insertItem(item);
        ++i;
    }

    if (m_listView->childCount() == 0) {
        QListViewItem *item =
            new TriggerManagerItem(m_listView, i18n("<none>"));
        m_listView->insertItem(item);

        m_listView->setSelectionMode(QListView::NoSelection);
    } else {
        m_listView->setSelectionMode(QListView::Extended);
    }
}

void
TriggerSegmentManager::slotDeleteAll()
{
    if (KMessageBox::warningContinueCancel(this, i18n("This will remove all triggered segments from the whole composition.  Are you sure?")) != KMessageBox::Continue)
        return ;

    RG_DEBUG << "TriggerSegmentManager::slotDeleteAll" << endl;
    KMacroCommand *command = new KMacroCommand(i18n("Remove all triggered segments"));