eventview.cpp

LINUX下的混音软件

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

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

        if (item) {
            if (cutSelection == 0)
                cutSelection =
                    new EventSelection(*(item->getSegment()));

            cutSelection->addEvent(item->getEvent());
        }
        ++it;
    }

    if (cutSelection) {
        if (itemIndex >= 0) {
            m_listSelection.clear();
            m_listSelection.push_back(itemIndex);
        }

        addCommandToHistory(new CutCommand(*cutSelection,
                                           getDocument()->getClipboard()));
    }
}

void
EventView::slotEditCopy()
{
    QPtrList<QListViewItem> selection = m_eventList->selectedItems();

    if (selection.count() == 0)
        return ;

    RG_DEBUG << "EventView::slotEditCopy - copying "
    << selection.count() << " items" << endl;

    QPtrListIterator<QListViewItem> it(selection);
    QListViewItem *listItem;
    EventViewItem *item;
    EventSelection *copySelection = 0;

    // clear the selection for post modification updating
    //
    m_listSelection.clear();

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

        m_listSelection.push_back(m_eventList->itemIndex(*it));

        if (item) {
            if (copySelection == 0)
                copySelection =
                    new EventSelection(*(item->getSegment()));

            copySelection->addEvent(item->getEvent());
        }
        ++it;
    }

    if (copySelection) {
        addCommandToHistory(new CopyCommand(*copySelection,
                                            getDocument()->getClipboard()));
    }
}

void
EventView::slotEditPaste()
{
    if (getDocument()->getClipboard()->isEmpty()) {
        slotStatusHelpMsg(i18n("Clipboard is empty"));
        return ;
    }

    KTmpStatusMsg msg(i18n("Inserting clipboard contents..."), this);

    timeT insertionTime = 0;

    QPtrList<QListViewItem> selection = m_eventList->selectedItems();
    if (selection.count()) {
        EventViewItem *item = dynamic_cast<EventViewItem*>(selection.at(0));

        if (item)
            insertionTime = item->getEvent()->getAbsoluteTime();

        // remember the selection
        //
        m_listSelection.clear();

        QPtrListIterator<QListViewItem> it(selection);
        QListViewItem *listItem;

        while ((listItem = it.current()) != 0) {
            m_listSelection.push_back(m_eventList->itemIndex(*it));
            ++it;
        }
    }


    PasteEventsCommand *command = new PasteEventsCommand
                                  (*m_segments[0], getDocument()->getClipboard(),
                                   insertionTime, PasteEventsCommand::MatrixOverlay);

    if (!command->isPossible()) {
        slotStatusHelpMsg(i18n("Couldn't paste at this point"));
    } else
        addCommandToHistory(command);

    RG_DEBUG << "EventView::slotEditPaste - pasting "
    << selection.count() << " items" << endl;
}

void
EventView::slotEditDelete()
{
    QPtrList<QListViewItem> selection = m_eventList->selectedItems();
    if (selection.count() == 0)
        return ;

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

    QPtrListIterator<QListViewItem> it(selection);
    QListViewItem *listItem;
    EventViewItem *item;
    EventSelection *deleteSelection = 0;
    int itemIndex = -1;

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

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

        if (item) {
            if (m_deletedEvents.find(item->getEvent()) != m_deletedEvents.end()) {
                ++it;
                continue;
            }

            if (deleteSelection == 0)
                deleteSelection =
                    new EventSelection(*m_segments[0]);

            deleteSelection->addEvent(item->getEvent());
        }
        ++it;
    }

    if (deleteSelection) {

        if (itemIndex >= 0) {
            m_listSelection.clear();
            m_listSelection.push_back(itemIndex);
        }

        addCommandToHistory(new EraseCommand(*deleteSelection));

    }
}

void
EventView::slotEditInsert()
{
    RG_DEBUG << "EventView::slotEditInsert" << endl;

    timeT insertTime = m_segments[0]->getStartTime();
    timeT insertDuration = 960;

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

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

        if (item) {
            insertTime = item->getEvent()->getAbsoluteTime();
            insertDuration = item->getEvent()->getDuration();
        }
    }

    // Create default event
    //
    Event *event =
        new Event(Note::EventType,
                  insertTime,
                  insertDuration);
    event->set
    <Int>(BaseProperties::PITCH, 70);
    event->set
    <Int>(BaseProperties::VELOCITY, 100);

    SimpleEventEditDialog dialog(this, getDocument(), *event, true);

    if (dialog.exec() == QDialog::Accepted) {
        EventInsertionCommand *command =
            new EventInsertionCommand(*m_segments[0],
                                      new Event(dialog.getEvent()));
        addCommandToHistory(command);
    }
}

void
EventView::slotEditEvent()
{
    RG_DEBUG << "EventView::slotEditEvent" << endl;

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

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

        if (item) {
            Event *event = item->getEvent();
            SimpleEventEditDialog dialog(this, getDocument(), *event, false);

            if (dialog.exec() == QDialog::Accepted && dialog.isModified()) {
                EventEditCommand *command =
                    new EventEditCommand(*(item->getSegment()),
                                         event,
                                         dialog.getEvent());

                addCommandToHistory(command);
            }
        }
    }
}

void
EventView::slotEditEventAdvanced()
{
    RG_DEBUG << "EventView::slotEditEventAdvanced" << endl;

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

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

        if (item) {
            Event *event = item->getEvent();
            EventEditDialog dialog(this, *event);

            if (dialog.exec() == QDialog::Accepted && dialog.isModified()) {
                EventEditCommand *command =
                    new EventEditCommand(*(item->getSegment()),
                                         event,
                                         dialog.getEvent());

                addCommandToHistory(command);
            }
        }
    }
}

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

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

void
EventView::slotFilterSelection()
{
    m_listSelection.clear();
    QPtrList<QListViewItem> selection = m_eventList->selectedItems();
    if (selection.count() == 0)
        return ;

    EventFilterDialog dialog(this);
    if (dialog.exec() == QDialog::Accepted) {

        QPtrListIterator<QListViewItem> it(selection);
        QListViewItem *listItem;

        while ((listItem = it.current()) != 0) {

            EventViewItem * item = dynamic_cast<EventViewItem*>(*it);
            if (!item) {
                ++it;
                continue;
            }

            if (!dialog.keepEvent(item->getEvent())) {
                m_listSelection.push_back(m_eventList->itemIndex(*it));
                m_eventList->setSelected(item, false);
            }

            ++it;
        }
    }
}

void
EventView::setupActions()
{
    EditViewBase::setupActions("eventlist.rc");

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

    new KAction(i18n("&Insert Event"), icon, Key_I, this,
                SLOT(slotEditInsert()), actionCollection(),
                "insert");

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

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

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

    new KAction(i18n("&Edit Event"), icon, Key_E, this,
                SLOT(slotEditEvent()), actionCollection(),
                "edit_simple");

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

    new KAction(i18n("&Advanced Event Editor"), icon, Key_A, this,
                SLOT(slotEditEventAdvanced()), actionCollection(),
                "edit_advanced");

    //    icon = QIconSet(QCanvasPixmap(pixmapDir + "/toolbar/eventfilter.xpm"));
    new KAction(i18n("&Filter Selection"), "filter", Key_F, this,
                SLOT(slotFilterSelection()), actionCollection(),
                "filter_selection");

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

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

    m_config->setGroup(EventViewConfigGroup);
    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);

    if (m_isTriggerSegment) {
        KAction *action = actionCollection()->action("open_in_matrix");
        if (action)
            delete action;
        action = actionCollection()->action("open_in_notation");
        if (action)
            delete action;
    }

    createGUI(getRCFileName());
}