lbajardsilogic@0: 
lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 Chris Cannam and QMUL.
lbajardsilogic@0:     
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #ifndef _PANE_H_
lbajardsilogic@0: #define _PANE_H_
lbajardsilogic@0: 
lbajardsilogic@0: #include <QFrame>
lbajardsilogic@0: #include <QPoint>
lbajardsilogic@0: 
lbajardsilogic@0: #include "base/ZoomConstraint.h"
lbajardsilogic@0: #include "View.h"
lbajardsilogic@0: #include "base/Selection.h"
lbajardsilogic@0: 
lbajardsilogic@0: class QWidget;
lbajardsilogic@0: class QPaintEvent;
lbajardsilogic@0: class Layer;
lbajardsilogic@0: class Thumbwheel;
lbajardsilogic@0: class Panner;
lbajardsilogic@0: class NotifyingPushButton;
lbajardsilogic@0: 
lbajardsilogic@0: class Pane : public View
lbajardsilogic@0: {
lbajardsilogic@0:     Q_OBJECT
lbajardsilogic@0: 
lbajardsilogic@0: public:
lbajardsilogic@0:     Pane(QWidget *parent = 0);
lbajardsilogic@0:     virtual QString getPropertyContainerIconName() const { return "pane"; }
lbajardsilogic@0: 
lbajardsilogic@0:     virtual bool shouldIlluminateLocalFeatures(const Layer *layer,
lbajardsilogic@0: 					       QPoint &pos) const;
lbajardsilogic@0:     virtual bool shouldIlluminateLocalSelection(QPoint &pos,
lbajardsilogic@0: 						bool &closeToLeft,
lbajardsilogic@0: 						bool &closeToRight) const;
lbajardsilogic@0: 
lbajardsilogic@0:     void setCentreLineVisible(bool visible);
lbajardsilogic@0:     bool getCentreLineVisible() const { return m_centreLineVisible; }
lbajardsilogic@0: 
lbajardsilogic@0:     virtual size_t getFirstVisibleFrame() const;
lbajardsilogic@0: 
lbajardsilogic@0:     virtual QImage *toNewImage(size_t f0, size_t f1);
lbajardsilogic@0:     virtual QImage *toNewImage() { return View::toNewImage(); }
lbajardsilogic@0:     virtual QSize getImageSize(size_t f0, size_t f1);
lbajardsilogic@0:     virtual QSize getImageSize() { return View::getImageSize(); }
lbajardsilogic@0: 
lbajardsilogic@0:     virtual QString toXmlString(QString indent = "",
lbajardsilogic@0: 				QString extraAttributes = "") const;
lbajardsilogic@0: 
lbajardsilogic@23: 	virtual QString toEasaierXmlString(QString indent = "",
lbajardsilogic@23: 				QString extraAttributes = "") const;
lbajardsilogic@23: 
lbajardsilogic@253: 	virtual int getIntervalModulo() {m_intervalModulo = (m_intervalModulo+1)%4; return m_intervalModulo;}
lbajardsilogic@0: signals:
lbajardsilogic@0:     void paneInteractedWith();
lbajardsilogic@0:     void rightButtonMenuRequested(QPoint position);
lbajardsilogic@0: 
lbajardsilogic@0: public slots:
lbajardsilogic@0:     virtual void toolModeChanged();
lbajardsilogic@0:     virtual void zoomWheelsEnabledChanged();
lbajardsilogic@0:     virtual void viewZoomLevelChanged(View *v, unsigned long z, bool locked);
lbajardsilogic@0: 
lbajardsilogic@0:     virtual void horizontalThumbwheelMoved(int value);
lbajardsilogic@0:     virtual void verticalThumbwheelMoved(int value);
lbajardsilogic@0:     virtual void verticalZoomChanged();
lbajardsilogic@0:     virtual void verticalPannerMoved(float x, float y, float w, float h);
lbajardsilogic@0:     virtual void editVerticalPannerExtents();
lbajardsilogic@0: 
lbajardsilogic@0:     virtual void propertyContainerSelected(View *, PropertyContainer *pc);
lbajardsilogic@0: 
lbajardsilogic@0:     void mouseEnteredWidget();
lbajardsilogic@0:     void mouseLeftWidget();
lbajardsilogic@0: 
lbajardsilogic@0: protected:
lbajardsilogic@0:     virtual void paintEvent(QPaintEvent *e);
lbajardsilogic@0:     virtual void mousePressEvent(QMouseEvent *e);
lbajardsilogic@0:     virtual void mouseReleaseEvent(QMouseEvent *e);
lbajardsilogic@0:     virtual void mouseMoveEvent(QMouseEvent *e);
lbajardsilogic@0:     virtual void mouseDoubleClickEvent(QMouseEvent *e);
lbajardsilogic@0:     virtual void leaveEvent(QEvent *e);
lbajardsilogic@0:     virtual void wheelEvent(QWheelEvent *e);
lbajardsilogic@0:     virtual void resizeEvent(QResizeEvent *e);
lbajardsilogic@0: 
lbajardsilogic@0:     virtual bool render(QPainter &paint, int x0, size_t f0, size_t f1);
lbajardsilogic@0: 
lbajardsilogic@0:     Selection getSelectionAt(int x, bool &closeToLeft, bool &closeToRight) const;
lbajardsilogic@0: 
lbajardsilogic@0:     bool editSelectionStart(QMouseEvent *e);
lbajardsilogic@0:     bool editSelectionDrag(QMouseEvent *e);
lbajardsilogic@0:     bool editSelectionEnd(QMouseEvent *e);
lbajardsilogic@0:     bool selectionIsBeingEdited() const;
lbajardsilogic@0: 
lbajardsilogic@0:     void updateHeadsUpDisplay();
lbajardsilogic@0:     void updateVerticalPanner();
lbajardsilogic@0: 
lbajardsilogic@0:     bool canTopLayerMoveVertical();
lbajardsilogic@0:     bool getTopLayerDisplayExtents(float &valueMin, float &valueMax,
lbajardsilogic@0:                                    float &displayMin, float &displayMax,
lbajardsilogic@0:                                    QString *unit = 0);
lbajardsilogic@0:     bool setTopLayerDisplayExtents(float displayMin, float displayMax);
lbajardsilogic@0: 
lbajardsilogic@0:     void dragTopLayer(QMouseEvent *e);
lbajardsilogic@0:     void dragExtendSelection(QMouseEvent *e);
lbajardsilogic@0:     void zoomToRegion(int x0, int y0, int x1, int y1);
lbajardsilogic@0:     void updateContextHelp(const QPoint *pos);
lbajardsilogic@0: 
lbajardsilogic@0:     bool m_identifyFeatures;
lbajardsilogic@0:     QPoint m_identifyPoint;
lbajardsilogic@0:     QPoint m_clickPos;
lbajardsilogic@0:     QPoint m_mousePos;
lbajardsilogic@0:     bool m_clickedInRange;
lbajardsilogic@0:     bool m_shiftPressed;
lbajardsilogic@0:     bool m_ctrlPressed;
lbajardsilogic@0:     bool m_navigating;
lbajardsilogic@0:     bool m_resizing;
lbajardsilogic@0:     size_t m_dragCentreFrame;
lbajardsilogic@0:     float m_dragStartMinValue;
lbajardsilogic@0:     bool m_centreLineVisible;
lbajardsilogic@0:     size_t m_selectionStartFrame;
lbajardsilogic@0:     Selection m_editingSelection;
lbajardsilogic@0:     int m_editingSelectionEdge;
lbajardsilogic@0:     mutable int m_scaleWidth;
lbajardsilogic@0: 
lbajardsilogic@0:     enum DragMode {
lbajardsilogic@0:         UnresolvedDrag,
lbajardsilogic@0:         VerticalDrag,
lbajardsilogic@0:         HorizontalDrag,
lbajardsilogic@0:         FreeDrag
lbajardsilogic@0:     };
lbajardsilogic@0:     DragMode m_dragMode;
lbajardsilogic@0: 
lbajardsilogic@0:     QWidget *m_headsUpDisplay;
lbajardsilogic@0:     Panner *m_vpan;
lbajardsilogic@0:     Thumbwheel *m_hthumb;
lbajardsilogic@0:     Thumbwheel *m_vthumb;
lbajardsilogic@0:     NotifyingPushButton *m_reset;
lbajardsilogic@253: 
lbajardsilogic@253: 	int m_intervalModulo;
lbajardsilogic@0: };
lbajardsilogic@0: 
lbajardsilogic@0: #endif
lbajardsilogic@0: