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233 lines
6.3 KiB
233 lines
6.3 KiB
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "MatrixStaff.h"
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#include "misc/Debug.h"
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#include "base/BaseProperties.h"
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#include "base/Composition.h"
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#include "base/Event.h"
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#include "base/Instrument.h"
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#include "base/MidiProgram.h"
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#include "base/NotationTypes.h"
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#include "base/Segment.h"
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#include "base/Selection.h"
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#include "base/SnapGrid.h"
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#include "base/Staff.h"
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#include "base/Track.h"
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#include "base/ViewElement.h"
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#include "base/SegmentMatrixHelper.h"
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#include "document/RosegardenGUIDoc.h"
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#include "gui/general/GUIPalette.h"
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#include "gui/general/LinedStaff.h"
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#include "gui/rulers/DefaultVelocityColour.h"
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#include "MatrixElement.h"
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#include "MatrixView.h"
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#include "MatrixVLayout.h"
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#include <tqcanvas.h>
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namespace Rosegarden
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{
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MatrixStaff::MatrixStaff(TQCanvas *canvas,
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Segment *segment,
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SnapGrid *snapGrid,
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int id,
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int vResolution,
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MatrixView *view) :
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LinedStaff(canvas, segment, snapGrid, id, vResolution, 1),
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m_scaleFactor(2.0 /
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Note(Note::Shortest).getDuration()),
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m_view(view)
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{}
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MatrixStaff::~MatrixStaff()
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{
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// nothing
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}
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int MatrixStaff::getLineCount() const
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{
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// MATRIX_DEBUG << "MatrixStaff::getLineCount: isDrumMode " << m_view->isDrumMode() << ", key mapping " << (getKeyMapping() ? getKeyMapping()->getName() : "<none>") << endl;
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if (m_view->isDrumMode()) {
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const MidiKeyMapping *km = getKeyMapping();
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if (km)
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return km->getPitchExtent() + 1;
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}
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return MatrixVLayout::maxMIDIPitch + 2;
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}
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int MatrixStaff::getLegerLineCount() const
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{
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return 0;
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}
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int MatrixStaff::getBottomLineHeight() const
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{
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if (m_view->isDrumMode()) {
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const MidiKeyMapping *km = getKeyMapping();
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if (km)
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return km->getPitchForOffset(0);
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}
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return 0;
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}
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int MatrixStaff::getHeightPerLine() const
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{
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return 1;
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}
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bool MatrixStaff::elementsInSpaces() const
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{
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return true;
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}
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bool MatrixStaff::showBeatLines() const
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{
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return true;
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}
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bool MatrixStaff::wrapEvent(Event* e)
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{
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// Changed from "Note or Time signature" to just "Note" because
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// there should be no time signature events in any ordinary
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// segments, they're only in the composition's ref segment
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return e->isa(Note::EventType) &&
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Staff::wrapEvent(e);
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}
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void
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MatrixStaff::positionElements(timeT from, timeT to)
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{
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MatrixElementList *mel = getViewElementList();
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MatrixElementList::iterator beginAt = mel->findTime(from);
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if (beginAt != mel->begin())
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--beginAt;
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MatrixElementList::iterator endAt = mel->findTime(to);
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for (MatrixElementList::iterator i = beginAt; i != endAt; ++i) {
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positionElement(*i);
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}
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}
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void MatrixStaff::positionElement(ViewElement* vel)
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{
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MatrixElement* el = dynamic_cast<MatrixElement*>(vel);
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// Memorize initial rectangle position. May be some overlap rectangles
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// belonging to other notes are here and should be refreshed after
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// current element is moved.
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TQRect initialRect;
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bool rectWasVisible;
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if (! m_view->isDrumMode())
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rectWasVisible = el->getVisibleRectangle(initialRect);
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LinedStaffCoords coords = getCanvasCoordsForLayoutCoords
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(el->getLayoutX(), int(el->getLayoutY()));
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// Get velocity for colouring
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//
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using BaseProperties::VELOCITY;
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long velocity = 127;
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if (el->event()->has(VELOCITY))
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el->event()->get
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<Int>(VELOCITY, velocity);
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el->setCanvas(m_canvas);
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// Is the event currently selected? Colour accordingly.
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//
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EventSelection *selection = m_view->getCurrentSelection();
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if (selection && selection->contains(el->event()))
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el->setColour(GUIPalette::getColour(GUIPalette::SelectedElement));
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else if (el->event()->has(BaseProperties::TRIGGER_SEGMENT_ID))
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el->setColour(TQt::gray);
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else
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el->setColour(DefaultVelocityColour::getInstance()->getColour(velocity));
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el->setCanvasX(coords.first);
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el->setCanvasY((double)coords.second);
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// Display overlaps
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if (m_view->isDrumMode()) {
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SegmentMatrixHelper helper(m_segment);
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if (helper.isDrumColliding(el->event()))
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el->setColour(GUIPalette::getColour(GUIPalette::MatrixOverlapBlock));
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} else {
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el->drawOverlapRectangles();
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// Refresh other overlap rectangles
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if (rectWasVisible) el->redrawOverlaps(initialRect);
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}
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}
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MatrixElement*
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MatrixStaff::getElement(Event *event)
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{
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ViewElementList::iterator i = findEvent(event);
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if (i == m_viewElementList->end())
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return 0;
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return dynamic_cast<MatrixElement*>(*i);
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}
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void
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MatrixStaff::eventRemoved(const Segment *segment,
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Event *event)
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{
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LinedStaff::eventRemoved(segment, event);
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m_view->handleEventRemoved(event);
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}
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ViewElement*
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MatrixStaff::makeViewElement(Event* e)
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{
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return new MatrixElement(e, m_view->isDrumMode());
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}
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const MidiKeyMapping*
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MatrixStaff::getKeyMapping() const
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{
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Composition *comp = getSegment().getComposition();
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if (!comp)
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return 0;
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TrackId trackId = getSegment().getTrack();
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Track *track = comp->getTrackById(trackId);
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Instrument *instr = m_view->getDocument()->getStudio().
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getInstrumentById(track->getInstrument());
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if (!instr)
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return 0;
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return m_view->getKeyMapping();
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}
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}
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