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Diffstat (limited to 'src/gui/editors/notation/TrackHeader.h')
| -rw-r--r-- | src/gui/editors/notation/TrackHeader.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/gui/editors/notation/TrackHeader.h b/src/gui/editors/notation/TrackHeader.h new file mode 100644 index 0000000..0104430 --- /dev/null +++ b/src/gui/editors/notation/TrackHeader.h @@ -0,0 +1,219 @@ + +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Rosegarden + A MIDI and audio sequencer and musical notation editor. + + This program is Copyright 2000-2008 + Guillaume Laurent <[email protected]>, + Chris Cannam <[email protected]>, + Richard Bown <[email protected]> + + This file is Copyright 2007-2008 + Yves Guillemot <[email protected]> + + The moral rights of Guillaume Laurent, Chris Cannam, and Richard + Bown to claim authorship of this work have been asserted. + + Other copyrights also apply to some parts of this work. Please + see the AUTHORS file and individual file headers for details. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. See the file + COPYING included with this distribution for more information. +*/ + + +#ifndef _RG_TRACKHEADER_H_ +#define _RG_TRACKHEADER_H_ + +#include "base/NotationTypes.h" +#include "base/Track.h" + +#include <qsize.h> +#include <qwidget.h> +#include <qlabel.h> + +#include <set> + +class QLabel; + + +namespace Rosegarden +{ + +class NotePixmapFactory; +class NotationView; +class ColourMap; +class Segment; + +class TrackHeader : public QLabel +{ + Q_OBJECT +public: + /** + * Create a new track header for track of id trackId. + * *parent is the parent widget, height the height of staff and + * ypos is the staff y position on canvas. + */ + TrackHeader(QWidget *parent, TrackId trackId, int height, int ypos); + + /** + * Draw a blue line around header when current is true + * (intended to highlight the "current" track). + */ + void setCurrent(bool current); + + /** + * Examine staff at x position and gather data needed to draw + * the track header. + * Return the minimum width required to display the track header. + * maxWidth is the maximum width allowed to show text. Return width + * may be greater than maxWidth if needed to show clef and key signature. + * (Header have always to show complete clef and key signature). + */ + int lookAtStaff(double x, int maxWidth); + + /** + * (Re)draw the header on the notation view using the data gathered + * by lookAtStaff() last call and the specified width. + */ + void updateHeader(int width); + + /** + * Return the Id of the associated track. + */ + TrackId getId() + { return m_track; + } + + /** + * Return how many text lines may be written in the header (above + * the clef and under the clef). + * This data is coming from the last call of lookAtStaff(). + */ + int getNumberOfTextLines() { return m_numberOfTextLines; } + + /** + * Return the Clef to draw in the header + */ + Clef & getClef() { return m_clef; } + + /** + * Get which key signature should be drawn in the header + * from the last call of lookAtStaff(). + */ + Rosegarden::Key & getKey() { return m_key; } + + /** + * Return true if a Clef (and a key signature) have to be drawn in the header + */ + bool isAClefToDraw() + { + return (m_status & SEGMENT_HERE) || (m_status & BEFORE_FIRST_SEGMENT); + } + + /** + * Return the text to write in the header top + */ + QString getUpperText() { return m_upperText; } + + /** + * Return the transposition text + * (to be written at the end of the upper text) + */ + QString getTransposeText() { return m_transposeText; } + + /** + * Return the text to write in the header bottom + */ + QString getLowerText() { return m_label; } + + /** + * Return true if two segments or more are superimposed and are + * not using the same clef + */ + bool isClefInconsistent() { return m_status & INCONSISTENT_CLEFS; } + + /** + * Return true if two segments or more are superimposed and are + * not using the same key signature + */ + bool isKeyInconsistent() { return m_status & INCONSISTENT_KEYS; } + + /** + * Return true if two segments or more are superimposed and are + * not using the same label + */ + bool isLabelInconsistent() { return m_status & INCONSISTENT_LABELS; } + + /** + * Return true if two segments or more are superimposed and are + * not using the same transposition + */ + bool isTransposeInconsistent() + { + return m_status & INCONSISTENT_TRANSPOSITIONS; + } + + +private : + /** + * Convert the transpose value to the instrument tune and + * return it in a printable string. + */ + void transposeValueToName(int transpose, QString &transposeName); + + + // Status bits + static const int SEGMENT_HERE; + static const int SUPERIMPOSED_SEGMENTS; + static const int INCONSISTENT_CLEFS; + static const int INCONSISTENT_KEYS; + static const int INCONSISTENT_LABELS; + static const int INCONSISTENT_TRANSPOSITIONS; + static const int BEFORE_FIRST_SEGMENT; + + TrackId m_track; + int m_height; + int m_ypos; + NotationView * m_notationView; + + Clef m_lastClef; + Rosegarden::Key m_lastKey; + QString m_lastLabel; + int m_lastTranspose; + QString m_lastUpperText; + bool m_neverUpdated; + bool m_isCurrent; + int m_lastStatusPart; + int m_lastWidth; + + Clef m_clef; + Rosegarden::Key m_key; + QString m_label; + int m_transpose; + int m_status; + bool m_current; + + QString m_upperText; + QString m_transposeText; + int m_numberOfTextLines; + + // Used to sort the segments listed in the header toolTipText + struct SegmentCmp { + bool operator()(const Segment *s1, const Segment *s2) const; + }; + typedef std::multiset<Segment *, SegmentCmp> SortedSegments; + + // First segment on the track. + Segment * m_firstSeg; + timeT m_firstSegStartTime; +}; + +} + +#endif |