tempoview.cpp

LINUX下的混音软件

    RG_DEBUG << "TempoView::slotEditDelete - deleting "
    << selection.count() << " items" << endl;

    QPtrListIterator<QListViewItem> it(selection);
    QListViewItem *listItem;
    TempoListItem *item;
    int itemIndex = -1;

    m_ignoreUpdates = true;
    bool haveSomething = false;

    // We want the Remove commands to be in reverse order, because
    // removing one item by index will affect the indices of
    // subsequent items.  So we'll stack them onto here and then pull
    // them off again.
    std::vector<KCommand *> commands;

    while ((listItem = it.current()) != 0) {
        item = dynamic_cast<TempoListItem*>((*it));

        if (itemIndex == -1)
            itemIndex = m_list->itemIndex(*it);

        if (item) {
            if (item->getType() == TempoListItem::TimeSignature) {
                commands.push_back(new RemoveTimeSignatureCommand
                                   (item->getComposition(),
                                    item->getIndex()));
                haveSomething = true;
            } else {
                commands.push_back(new RemoveTempoChangeCommand
                                   (item->getComposition(),
                                    item->getIndex()));
                haveSomething = true;
            }
        }
        ++it;
    }

    if (haveSomething) {
        KMacroCommand *command = new KMacroCommand
                                 (i18n("Delete Tempo or Time Signature"));
        for (std::vector<KCommand *>::iterator i = commands.end();
                i != commands.begin();) {
            command->addCommand(*--i);
        }
        addCommandToHistory(command);
    }

    applyLayout();
    m_ignoreUpdates = false;
}

void
TempoView::slotEditInsertTempo()
{
    timeT insertTime = 0;
    QPtrList<QListViewItem> selection = m_list->selectedItems();

    if (selection.count() > 0) {
        TempoListItem *item =
            dynamic_cast<TempoListItem*>(selection.getFirst());
        if (item)
            insertTime = item->getTime();
    }

    TempoDialog dialog(this, getDocument(), true);
    dialog.setTempoPosition(insertTime);

    connect(&dialog,
            SIGNAL(changeTempo(timeT,
                               tempoT,
                               tempoT,
                               TempoDialog::TempoDialogAction)),
            this,
            SIGNAL(changeTempo(timeT,
                               tempoT,
                               tempoT,
                               TempoDialog::TempoDialogAction)));

    dialog.exec();
}

void
TempoView::slotEditInsertTimeSignature()
{
    timeT insertTime = 0;
    QPtrList<QListViewItem> selection = m_list->selectedItems();

    if (selection.count() > 0) {
        TempoListItem *item =
            dynamic_cast<TempoListItem*>(selection.getFirst());
        if (item)
            insertTime = item->getTime();
    }

    Composition &composition(m_doc->getComposition());
    Rosegarden::TimeSignature sig = composition.getTimeSignatureAt(insertTime);

    TimeSignatureDialog dialog(this, &composition, insertTime, sig, true);

    if (dialog.exec() == QDialog::Accepted) {

        insertTime = dialog.getTime();

        if (dialog.shouldNormalizeRests()) {
            addCommandToHistory
            (new AddTimeSignatureAndNormalizeCommand
             (&composition, insertTime, dialog.getTimeSignature()));
        } else {
            addCommandToHistory
            (new AddTimeSignatureCommand
             (&composition, insertTime, dialog.getTimeSignature()));
        }
    }
}

void
TempoView::slotEdit()
{
    RG_DEBUG << "TempoView::slotEdit" << endl;

    QPtrList<QListViewItem> selection = m_list->selectedItems();

    if (selection.count() > 0) {
        TempoListItem *item =
            dynamic_cast<TempoListItem*>(selection.getFirst());
        if (item)
            slotPopupEditor(item);
    }
}

void
TempoView::slotSelectAll()
{
    m_listSelection.clear();
    for (int i = 0; m_list->itemAtIndex(i); ++i) {
        m_listSelection.push_back(i);
        m_list->setSelected(m_list->itemAtIndex(i), true);
    }
}

void
TempoView::slotClearSelection()
{
    m_listSelection.clear();
    for (int i = 0; m_list->itemAtIndex(i); ++i) {
        m_list->setSelected(m_list->itemAtIndex(i), false);
    }
}

void
TempoView::setupActions()
{
    EditViewBase::setupActions("tempoview.rc", false);

    QString pixmapDir = KGlobal::dirs()->findResource("appdata", "pixmaps/");
    QIconSet icon(QPixmap(pixmapDir + "/toolbar/event-insert-tempo.png"));

    new KAction(AddTempoChangeCommand::getGlobalName(), icon, Key_I, this,
                SLOT(slotEditInsertTempo()), actionCollection(),
                "insert_tempo");

    QCanvasPixmap pixmap(pixmapDir + "/toolbar/event-insert-timesig.png");
    icon = QIconSet(pixmap);

    new KAction(AddTimeSignatureCommand::getGlobalName(), icon, Key_G, this,
                SLOT(slotEditInsertTimeSignature()), actionCollection(),
                "insert_timesig");

    pixmap.load(pixmapDir + "/toolbar/event-delete.png");
    icon = QIconSet(pixmap);

    new KAction(i18n("&Delete"), icon, Key_Delete, this,
                SLOT(slotEditDelete()), actionCollection(),
                "delete");

    pixmap.load(pixmapDir + "/toolbar/event-edit.png");
    icon = QIconSet(pixmap);

    new KAction(i18n("&Edit Item"), icon, Key_E, this,
                SLOT(slotEdit()), actionCollection(),
                "edit");

    new KAction(i18n("Select &All"), 0, this,
                SLOT(slotSelectAll()), actionCollection(),
                "select_all");

    new KAction(i18n("Clear Selection"), Key_Escape, this,
                SLOT(slotClearSelection()), actionCollection(),
                "clear_selection");

    m_config->setGroup(TempoViewConfigGroup);
    int timeMode = m_config->readNumEntry("timemode", 0);

    KRadioAction *action;

    pixmap.load(pixmapDir + "/toolbar/time-musical.png");
    icon = QIconSet(pixmap);

    action = new KRadioAction(i18n("&Musical Times"), icon, 0, this,
                              SLOT(slotMusicalTime()),
                              actionCollection(), "time_musical");
    action->setExclusiveGroup("timeMode");
    if (timeMode == 0)
        action->setChecked(true);

    pixmap.load(pixmapDir + "/toolbar/time-real.png");
    icon = QIconSet(pixmap);

    action = new KRadioAction(i18n("&Real Times"), icon, 0, this,
                              SLOT(slotRealTime()),
                              actionCollection(), "time_real");
    action->setExclusiveGroup("timeMode");
    if (timeMode == 1)
        action->setChecked(true);

    pixmap.load(pixmapDir + "/toolbar/time-raw.png");
    icon = QIconSet(pixmap);

    action = new KRadioAction(i18n("Ra&w Times"), icon, 0, this,
                              SLOT(slotRawTime()),
                              actionCollection(), "time_raw");
    action->setExclusiveGroup("timeMode");
    if (timeMode == 2)
        action->setChecked(true);

    createGUI(getRCFileName());
}

void
TempoView::initStatusBar()
{
    KStatusBar* sb = statusBar();

    sb->insertItem(KTmpStatusMsg::getDefaultMsg(),
                   KTmpStatusMsg::getDefaultId(), 1);
    sb->setItemAlignment(KTmpStatusMsg::getDefaultId(),
                         AlignLeft | AlignVCenter);
}

QSize
TempoView::getViewSize()
{
    return m_list->size();
}

void
TempoView::setViewSize(QSize s)
{
    m_list->setFixedSize(s);
}

void
TempoView::readOptions()
{
    m_config->setGroup(TempoViewConfigGroup);
    EditViewBase::readOptions();
    m_filter = m_config->readNumEntry("filter", m_filter);
    m_list->restoreLayout(m_config, TempoViewLayoutConfigGroupName);
}

void
TempoView::slotSaveOptions()
{
    m_config->setGroup(TempoViewConfigGroup);
    m_config->writeEntry("filter", m_filter);
    m_list->saveLayout(m_config, TempoViewLayoutConfigGroupName);
}

void
TempoView::slotModifyFilter(int button)
{
    QCheckBox *checkBox = dynamic_cast<QCheckBox*>(m_filterGroup->find(button));

    if (checkBox == 0)
        return ;

    if (checkBox->isChecked()) {
        switch (button) {
        case 0:
            m_filter |= Tempo;
            break;

        case 1:
            m_filter |= TimeSignature;
            break;

        default:
            break;
        }

    } else {
        switch (button) {
        case 0:
            m_filter ^= Tempo;
            break;

        case 1:
            m_filter ^= TimeSignature;
            break;

        default:
            break;
        }
    }

    m_lastSetFilter = m_filter;

    applyLayout(0);
}

void
TempoView::setButtonsToFilter()
{
    if (m_filter & Tempo)
        m_tempoCheckBox->setChecked(true);
    else
        m_tempoCheckBox->setChecked(false);

    if (m_filter & TimeSignature)
        m_timeSigCheckBox->setChecked(true);
    else
        m_timeSigCheckBox->setChecked(false);
}

void
TempoView::slotMusicalTime()
{
    m_config->setGroup(TempoViewConfigGroup);
    m_config->writeEntry("timemode", 0);
    applyLayout();
}

void
TempoView::slotRealTime()
{
    m_config->setGroup(TempoViewConfigGroup);
    m_config->writeEntry("timemode", 1);
    applyLayout();
}

void
TempoView::slotRawTime()
{
    m_config->setGroup(TempoViewConfigGroup);
    m_config->writeEntry("timemode", 2);
    applyLayout();
}

void
TempoView::slotPopupEditor(QListViewItem *qitem)
{
    TempoListItem *item = dynamic_cast<TempoListItem *>(qitem);
    if (!item)
        return ;

    timeT time = item->getTime();

    switch (item->getType()) {

    case TempoListItem::Tempo:
    {
        TempoDialog dialog(this, getDocument(), true);
        dialog.setTempoPosition(time);
        
        connect(&dialog,
                SIGNAL(changeTempo(timeT,
                                   tempoT,
                                   tempoT,
                                   TempoDialog::TempoDialogAction)),
                this,
                SIGNAL(changeTempo(timeT,
                                   tempoT,
                                   tempoT,
                                   TempoDialog::TempoDialogAction)));
        
        dialog.exec();
        break;
    }

    case TempoListItem::TimeSignature:
    {
        Composition &composition(getDocument()->getComposition());
        Rosegarden::TimeSignature sig = composition.getTimeSignatureAt(time);
        
        TimeSignatureDialog dialog(this, &composition, time, sig, true);
        
        if (dialog.exec() == QDialog::Accepted) {
            
            time = dialog.getTime();
            
            if (dialog.shouldNormalizeRests()) {
                addCommandToHistory
                    (new AddTimeSignatureAndNormalizeCommand
                     (&composition, time, dialog.getTimeSignature()));
            } else {
                addCommandToHistory
                    (new AddTimeSignatureCommand
                     (&composition, time, dialog.getTimeSignature()));
            }
        }
    }
    
    default:
        break;
    }
}

void
TempoView::updateViewCaption()
{
    setCaption(i18n("%1 - Tempo and Time Signature Editor")
               .arg(getDocument()->getTitle()));
}

}
#include "TempoView.moc"