matrixview.h

LINUX下的混音软件

    /**
     * Set the time pointer position during playback
     */
    void slotSetPointerPosition(timeT time);

    /**
     * Set the time pointer position during playback
     */
    void slotSetPointerPosition(timeT time,
                                bool scroll);

    /**
     * Set the insertion pointer position (from the bottom LoopRuler)
     */
    void slotSetInsertCursorPosition(timeT position, bool scroll);

    virtual void slotSetInsertCursorPosition(timeT position) {
        slotSetInsertCursorPosition(position, true);
    }

    /**
     * Catch the keyboard being pressed
     */
    void slotKeyPressed(unsigned int y, bool repeating);

    /**
     * Catch the keyboard being released
     */
    void slotKeyReleased(unsigned int y, bool repeating);

    /**
     * Catch the keyboard being pressed with selection modifier
     */
    void slotKeySelected(unsigned int y, bool repeating);

    /**
     * Handle scrolling between view and PianoKeyboard
     */
    void slotVerticalScrollPianoKeyboard(int y);

    /**
     * Close
     */
    void closeWindow();

    /**
     * A new selection has been acquired by a tool
     */
    void slotNewSelection();

    /**
     * Set the snaptime of the grid from an item in the snap combo
     */
    void slotSetSnapFromIndex(int);

    /**
     * Set the snaptime of the grid based on the name of the invoking action
     */
    void slotSetSnapFromAction();

    /**
     * Set the snaptime of the grid
     */
    void slotSetSnap(timeT);

    /**
     * Quantize a selection to a given level
     */
    void slotQuantizeSelection(int);

    /**
     * Collapse equal pitch notes
     */
    void slotTransformsCollapseNotes();

    /**
     * Pop-up the velocity modification dialog
     */
    void slotSetVelocities();

    /**
     * Set selected event velocities to whatever's in the velocity widget
     */
    void slotSetVelocitiesToCurrent();

    /**
     * Pop-up the select trigger segment dialog
     */
    void slotTriggerSegment();

    /**
     * Clear triggers from selection
     */
    void slotRemoveTriggers();

    /**
     * Change horizontal zoom
     */
    void slotChangeHorizontalZoom(int);

    void slotZoomIn();
    void slotZoomOut();

    /**
     * Select all
     */
    void slotSelectAll();

    /**
     * Keyboard insert
     */
    void slotInsertNoteFromAction();

    /// Note-on received asynchronously -- consider step-by-step editing
    void slotInsertableNoteOnReceived(int pitch, int velocity);

    /// Note-off received asynchronously -- consider step-by-step editing
    void slotInsertableNoteOffReceived(int pitch, int velocity);

    /// Note-on or note-off received asynchronously -- as above
    void slotInsertableNoteEventReceived(int pitch, int velocity, bool noteOn);

    /// The given QObject has originated a step-by-step-editing request
    void slotStepByStepTargetRequested(QObject *);

    void slotInstrumentLevelsChanged(InstrumentId,
                                     const LevelInfo &);

    /// Set the velocity menu to the given value
    void slotSetCurrentVelocity(int);
    void slotSetCurrentVelocityFromSelection();

protected slots:
    void slotCanvasBottomWidgetHeightChanged(int newHeight);

    /**
     * A new percussion key mapping has to be displayed
     */
    void slotPercussionSetChanged(Instrument *);

    /**
     * Re-dock the parameters box to its initial position
     */
    void slotDockParametersBack();

    /**
     * The parameters box was closed
     */
    void slotParametersClosed();

    /**
     * The parameters box was docked back
     */
    void slotParametersDockedBack(KDockWidget*, KDockWidget::DockPosition);

    /**
     * The instrument for this track may have changed
     */
    void slotCheckTrackAssignments();

    void slotToolHelpChanged(const QString &);
    void slotMouseEnteredCanvasView();
    void slotMouseLeftCanvasView();
    
protected:
    virtual RulerScale* getHLayout();

    virtual Segment *getCurrentSegment();
    virtual Staff *getCurrentStaff();
    virtual timeT getInsertionTime();

    /**
     * save general Options like all bar positions and status as well
     * as the geometry and the recent file list to the configuration
     * file
     */
    virtual void slotSaveOptions();

    /**
     * read general Options again and initialize all variables like the recent file list
     */
    virtual void readOptions();

    /**
     * create menus and toolbars
     */
    virtual void setupActions();

    /**
     * setup status bar
     */
    virtual void initStatusBar();

    /**
     * update the current quantize level from selection or entire segment
     */
    virtual void updateQuantizeCombo();

    /**
     * Return the size of the MatrixCanvasView
     */
    virtual QSize getViewSize();

    /**
     * Set the size of the MatrixCanvasView
     */
    virtual void setViewSize(QSize);

    virtual MatrixCanvasView *getCanvasView();

    /**
     * Init matrix actions toolbar
     */
    void initActionsToolbar();

    /**
     * Zoom toolbar
     */
    void initZoomToolbar();

    /**
     * Test whether we've had too many preview notes recently
     */
    bool canPreviewAnotherNote();

    virtual void paintEvent(QPaintEvent* e);

    virtual void updateViewCaption();

    int computePostLayoutWidth();

    /**
     * Get min and max pitches of notes on matrix.
     * Return false if no notes.
     */
    bool getMinMaxPitches(int& minPitch, int& maxPitch);

    /**
     * If necessary, extend local keymapping to contain
     * all notes currently on staff
     */
    void extendKeyMapping();

    //--------------- Data members ---------------------------------

    std::vector<MatrixStaff*> m_staffs;

    MatrixHLayout             m_hlayout;
    MatrixVLayout             m_vlayout;
    SnapGrid     *m_snapGrid;

    timeT         m_lastEndMarkerTime;

    // Status bar elements
    QLabel* m_hoveredOverAbsoluteTime;
    QLabel* m_hoveredOverNoteName;
    QLabel *m_selectionCounter;
    QLabel *m_insertModeLabel;
    bool m_haveHoveredOverNote;

    /**
     * used in slotHoveredOverKeyChanged to track moves over the piano
     * keyboard
     */
    int m_previousEvPitch;

    KDockWidget         *m_dockLeft;
    MatrixCanvasView    *m_canvasView;
    QDeferScrollView    *m_pianoView;
    PitchRuler          *m_pitchRuler;

    MidiKeyMapping *m_localMapping;

    // The last note we sent in case we're swooshing up and
    // down the keyboard and don't want repeat notes sending
    //
    MidiByte m_lastNote;

    // The first note we sent in similar case (only used for
    // doing effective sweep selections
    //
    MidiByte m_firstNote;

    PropertyName m_selectedProperty;

    // The parameter box
    //
    InstrumentParameterBox *m_parameterBox;

    // Toolbar flora
    //
    KComboBox          *m_velocityCombo;
    KComboBox          *m_quantizeCombo;
    KComboBox          *m_snapGridCombo;
    ZoomSlider<double> *m_hZoomSlider;
    ZoomSlider<double> *m_vZoomSlider;
    QLabel             *m_zoomLabel;
 
    // Hold our matrix quantization values and snap values
    //
    std::vector<timeT> m_quantizations;
    std::vector<timeT> m_snapValues;

    std::vector<std::pair<PropertyViewRuler*, PropertyBox*> >  m_propertyViewRulers;

    ChordNameRuler *m_chordNameRuler;
    QWidget        *m_tempoRuler;

    // ruler used to scale tempo and chord name ruler
    ZoomableMatrixHLayoutRulerScale* m_referenceRuler;

    std::vector<std::pair<int, int> > m_pendingInsertableNotes;

    bool m_playTracking;
    bool m_dockVisible;
    bool m_drumMode;

    bool m_mouseInCanvasView;
    QString m_toolContextHelp;
};

// Commented this out - was a MatrixView inner class, but we get a warning
// that Q_OBJECT can't be used in an inner class - gl
//

// class NoteSender : public QObject
// {
//     Q_OBJECT
        
// public:
//     NoteSender(int i, int p) : m_insid(i), m_pitch(p) { }
//     virtual ~NoteSender();
        
// public slots:
// void sendNote();
    
// private:
//     int m_insid, m_pitch;
// };


}

#endif