//========================================================= // MusE // Linux Music Editor // $Id: ecanvas.h,v 1.5.2.4 2009/02/02 21:38:00 terminator356 Exp $ // (C) Copyright 2001 Werner Schweer (ws@seh.de) //========================================================= #ifndef __ECANVAS_H__ #define __ECANVAS_H__ #include "canvas.h" #include "noteinfo.h" #include #include class MidiPart; class MidiTrack; class MidiEditor; class Part; class QMimeData; class QDrag; class QString; class QDropEvent; struct PartToChange { Part* npart; int xdiff; }; typedef std::map PartsToChangeMap; typedef std::map::iterator iPartToChange; //--------------------------------------------------------- // EventCanvas //--------------------------------------------------------- class EventCanvas : public Canvas { Q_OBJECT virtual void leaveEvent(QEvent*e); virtual void enterEvent(QEvent*e); // Removed by T356. //virtual QPoint raster(const QPoint&) const; virtual void startUndo(DragType); virtual void endUndo(DragType, int flags = 0); virtual void mouseMove(const QPoint&); protected: bool _playEvents; MidiEditor* editor; unsigned start_tick, end_tick; int curVelo; bool _steprec; bool _midiin; void updateSelection(); virtual void addItem(Part*, Event&) = 0; // Added by T356. virtual QPoint raster(const QPoint&) const; public slots: void redrawGrid() { redraw(); } void setSteprec(bool f) { _steprec = f; } void setMidiin(bool f) { _midiin = f; } signals: void pitchChanged(int); // current cursor position void timeChanged(unsigned); void selectionChanged(int, Event&, Part*); void enterCanvas(); public: EventCanvas(MidiEditor*, QWidget*, int, int, const char* name = 0); MidiTrack* track() const; unsigned start() const { return start_tick; } unsigned end() const { return end_tick; } bool midiin() const { return _midiin; } bool steprec() const { return _steprec; } QString getCaption() const; void songChanged(int); void range(int* s, int* e) const { *s = start_tick; *e = end_tick; } void playEvents(bool flag) { _playEvents = flag; } void selectAtTick(unsigned int tick); //QDrag* getTextDrag(QWidget* parent); QMimeData* getTextDrag(); void pasteAt(const QString& pt, int pos); void viewDropEvent(QDropEvent* event); virtual void modifySelected(NoteInfo::ValType, int) {} virtual void keyPress(QKeyEvent*); }; #endif