editview.cpp

LINUX下的混音软件

            c = dynamic_cast<SoftSynthDevice *>(getCurrentDevice());
            if (!c)
                return ;
        }

        const ControlList &list = c->getControlParameters();

        int i = 0;
        QString itemStr;

        for (ControlList::const_iterator it = list.begin();
                it != list.end(); ++it) {
            if (it->getType() == Controller::EventType) {
                QString hexValue;
                hexValue.sprintf("(0x%x)", it->getControllerValue());

                itemStr = i18n("%1 Controller %2 %3").arg(strtoqstr(it->getName()))
                          .arg(it->getControllerValue())
                          .arg(hexValue);

            } else if (it->getType() == PitchBend::EventType)
                itemStr = i18n("Pitch Bend");
            else
                itemStr = i18n("Unsupported Event Type");

            addControlRulerMenu->insertItem(itemStr, i++);
        }

        connect(addControlRulerMenu, SIGNAL(activated(int)),
                SLOT(slotAddControlRuler(int)));
    }

}

bool
EditView::setupControllerTabs()
{
    bool have = false;

    // Setup control rulers the Segment already has some stored against it.
    //
    Segment *segment = getCurrentSegment();
    Segment::EventRulerList list = segment->getEventRulerList();

    RG_DEBUG << "EditView::setupControllerTabs - got " << list.size() << " EventRulers" << endl;

    RG_DEBUG << "Segment view features: " << segment->getViewFeatures() << endl;
    if (segment->getViewFeatures() & FeatureShowVelocity) {
        showPropertyControlRuler(BaseProperties::VELOCITY);
        have = true;
    }

    if (list.size()) {
        Controllable *c =
            dynamic_cast<MidiDevice *>(getCurrentDevice());
        if (!c) {
            c = dynamic_cast<SoftSynthDevice *>(getCurrentDevice());
            if (!c)
                return have;
        }

        have = true;

        Segment::EventRulerListIterator it;

        for (it = list.begin(); it != list.end(); ++it) {
            // Get ControlParameter object from controller value
            //
            const ControlParameter *controlParameter =
                c->getControlParameter((*it)->m_type,
                                       MidiByte((*it)->m_controllerValue));

            RG_DEBUG << "EditView::setupControllerTabs - "
            << "Control Parameter type = " << (*it)->m_type << endl;

            if (controlParameter) {
                ControllerEventsRuler* controlRuler = makeControllerEventRuler(controlParameter);
                addControlRuler(controlRuler);
                RG_DEBUG << "EditView::setupControllerTabs - adding Ruler" << endl;
            }
        }

        if (!m_controlRulers->isVisible())
            m_controlRulers->show();

        updateBottomWidgetGeometry();
    }

    return have;
}

void
EditView::slotAddControlRuler(int controller)
{
    RG_DEBUG << "EditView::slotAddControlRuler - item = "
    << controller << endl;

    Controllable *c =
        dynamic_cast<MidiDevice *>(getCurrentDevice());
    if (!c) {
        c = dynamic_cast<SoftSynthDevice *>(getCurrentDevice());
        if (!c)
            return ;
    }

    const ControlList &list = c->getControlParameters();
    ControlParameter control = list[controller];

    int index = 0;

    ControlRuler* existingRuler = findRuler(control, index);

    if (existingRuler) {

        m_controlRulers->setCurrentPage(index);

    } else {

        // Create control ruler to a specific controller.  This duplicates
        // the control parameter in the supplied pointer.
        ControllerEventsRuler* controlRuler = makeControllerEventRuler(&control);

        addControlRuler(controlRuler);
    }

    if (!m_controlRulers->isVisible()) {
        m_controlRulers->show();
    }

    updateBottomWidgetGeometry();

    // Add the controller to the segment so the views can
    // remember what we've opened against it.
    //
    Staff *staff = getCurrentStaff();
    staff->getSegment().addEventRuler(control.getType(), control.getControllerValue());

    getDocument()->slotDocumentModified();
}

void EditView::slotRemoveControlRuler(QWidget* w)
{
    ControllerEventsRuler* ruler = dynamic_cast<ControllerEventsRuler*>(w);

    if (ruler) {
        ControlParameter *controller = ruler->getControlParameter();

        // remove the control parameter from the "showing controllers" list on the segment
        //
        if (controller) {
            Staff *staff = getCurrentStaff();
            bool value = staff->getSegment().
                         deleteEventRuler(controller->getType(), controller->getControllerValue());

            if (value)
                RG_DEBUG << "slotRemoveControlRuler : removed controller from segment\n";
            else
                RG_DEBUG << "slotRemoveControlRuler : couldn't remove controller from segment - "
                << int(controller->getControllerValue())
                << endl;

        }
    } else { // else it's probably a velocity ruler
        PropertyControlRuler *propertyRuler = dynamic_cast<PropertyControlRuler*>(w);

        if (propertyRuler) {
            Segment &seg = getCurrentStaff()->getSegment();
            seg.setViewFeatures(0); // for the moment we only have one view feature so
            // we can just blank it out

            RG_DEBUG << "slotRemoveControlRuler : removed velocity ruler" << endl;
        }
    }

    delete w;

    if (m_controlRulers->count() == 0) {
        m_controlRulers->hide();
        updateBottomWidgetGeometry();
    }

    getDocument()->slotDocumentModified();
}

void
EditView::createInsertPitchActionMenu()
{
    QString notePitchNames[] = {
                                   i18n("I"), i18n("II"), i18n("III"), i18n("IV"),
                                   i18n("V"), i18n("VI"), i18n("VII"), i18n("VIII")
                               };
    QString flat = i18n("%1 flat");
    QString sharp = i18n("%1 sharp");

    const Key notePitchKeys[3][7] = {
                                        {
                                            Key_A, Key_S, Key_D, Key_F, Key_J, Key_K, Key_L,
                                        },
                                        {
                                            Key_Q, Key_W, Key_E, Key_R, Key_U, Key_I, Key_O,
                                        },
                                        {
                                            Key_Z, Key_X, Key_C, Key_V, Key_B, Key_N, Key_M,
                                        },
                                    };

    KActionMenu *insertPitchActionMenu =
        new KActionMenu(i18n("&Insert Note"), this, "insert_note_actionmenu");

    for (int octave = 0; octave <= 2; ++octave) {

        KActionMenu *menu = insertPitchActionMenu;
        if (octave == 1) {
            menu = new KActionMenu(i18n("&Upper Octave"), this,
                                   "insert_note_actionmenu_upper_octave");
            insertPitchActionMenu->insert(new KActionSeparator(this));
            insertPitchActionMenu->insert(menu);
        } else if (octave == 2) {
            menu = new KActionMenu(i18n("&Lower Octave"), this,
                                   "insert_note_actionmenu_lower_octave");
            insertPitchActionMenu->insert(menu);
        }

        for (unsigned int i = 0; i < 7; ++i) {

            KAction *insertPitchAction = 0;

            QString octaveSuffix;
            if (octave == 1)
                octaveSuffix = "_high";
            else if (octave == 2)
                octaveSuffix = "_low";

            // do and fa lack a flat

            if (i != 0 && i != 3) {

                insertPitchAction =
                    new KAction
                    (flat.arg(notePitchNames[i]),
                     CTRL + SHIFT + notePitchKeys[octave][i],
                     this, SLOT(slotInsertNoteFromAction()), actionCollection(),
                     QString("insert_%1_flat%2").arg(i).arg(octaveSuffix));

                menu->insert(insertPitchAction);
            }

            insertPitchAction =
                new KAction
                (notePitchNames[i],
                 notePitchKeys[octave][i],
                 this, SLOT(slotInsertNoteFromAction()), actionCollection(),
                 QString("insert_%1%2").arg(i).arg(octaveSuffix));

            menu->insert(insertPitchAction);

            // and mi and ti lack a sharp

            if (i != 2 && i != 6) {

                insertPitchAction =
                    new KAction
                    (sharp.arg(notePitchNames[i]),
                     SHIFT + notePitchKeys[octave][i],
                     this, SLOT(slotInsertNoteFromAction()), actionCollection(),
                     QString("insert_%1_sharp%2").arg(i).arg(octaveSuffix));

                menu->insert(insertPitchAction);
            }

            if (i < 6)
                menu->insert(new KActionSeparator(this));
        }
    }

    actionCollection()->insert(insertPitchActionMenu);
}

int
EditView::getPitchFromNoteInsertAction(QString name,
                                       Accidental &accidental,
                                       const Clef &clef,
                                       const ::Rosegarden::Key &key)
{
    using namespace Accidentals;

    accidental = NoAccidental;

    if (name.left(7) == "insert_") {

        name = name.right(name.length() - 7);

        int modify = 0;
        int octave = 0;

        if (name.right(5) == "_high") {

            octave = 1;
            name = name.left(name.length() - 5);

        } else if (name.right(4) == "_low") {

            octave = -1;
            name = name.left(name.length() - 4);
        }

        if (name.right(6) == "_sharp") {

            modify = 1;
            accidental = Sharp;
            name = name.left(name.length() - 6);

        } else if (name.right(5) == "_flat") {

            modify = -1;
            accidental = Flat;
            name = name.left(name.length() - 5);
        }

        int scalePitch = name.toInt();

        if (scalePitch < 0 || scalePitch > 7) {
            NOTATION_DEBUG << "EditView::getPitchFromNoteInsertAction: pitch "
            << scalePitch << " out of range, using 0" << endl;
            scalePitch = 0;
        }

        Pitch pitch
        (scalePitch, 4 + octave + clef.getOctave(), key, accidental);
        return pitch.getPerformancePitch();

    } else {

        throw Exception("Not an insert action",
                        __FILE__, __LINE__);
    }
}

void EditView::slotAddTempo()
{
    timeT insertionTime = getInsertionTime();

    TempoDialog tempoDlg(this, getDocument());

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

    tempoDlg.setTempoPosition(insertionTime);
    tempoDlg.exec();
}

void EditView::slotAddTimeSignature()
{
    Segment *segment = getCurrentSegment();
    if (!segment)
        return ;
    Composition *composition = segment->getComposition();
    timeT insertionTime = getInsertionTime();

    TimeSignatureDialog *dialog = 0;
    int timeSigNo = composition->getTimeSignatureNumberAt(insertionTime);

    if (timeSigNo >= 0) {

        dialog = new TimeSignatureDialog
                 (this, composition, insertionTime,
                  composition->getTimeSignatureAt(insertionTime));

    } else {

        timeT endTime = composition->getDuration();
        if (composition->getTimeSignatureCount() > 0) {
            endTime = composition->getTimeSignatureChange(0).first;
        }

        CompositionTimeSliceAdapter adapter
        (composition, insertionTime, endTime);
        AnalysisHelper helper;
        TimeSignature timeSig = helper.guessTimeSignature(adapter);

        dialog = new TimeSignatureDialog
                 (this, composition, insertionTime, timeSig, false,
                  i18n("Estimated time signature shown"));
    }

    if (dialog->exec() == QDialog::Accepted) {

        insertionTime = dialog->getTime();

        if (dialog->shouldNormalizeRests()) {

            addCommandToHistory(new AddTimeSignatureAndNormalizeCommand
                                (composition, insertionTime,
                                 dialog->getTimeSignature()));

        } else {

            addCommandToHistory(new AddTimeSignatureCommand
                                (composition, insertionTime,
                                 dialog->getTimeSignature()));
        }
    }

    delete dialog;
}

void EditView::showPropertyControlRuler(PropertyName propertyName)
{
    int index = 0;

    ControlRuler* existingRuler = findRuler(propertyName, index);

    if (existingRuler) {