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rosegarden/src/gui/editors/notation/TrackHeader.cpp

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/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <richard.bown@ferventsoftware.com>
This file is Copyright 2007-2008
Yves Guillemot <yc.guillemot@wanadoo.fr>
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.
*/
#include "TrackHeader.h"
#include "HeadersGroup.h"
#include "base/Composition.h"
#include "base/NotationTypes.h"
#include "base/StaffExportTypes.h"
#include "base/Colour.h"
#include "base/ColourMap.h"
#include "base/Track.h"
#include "gui/general/GUIPalette.h"
#include "gui/general/LinedStaff.h"
#include "document/RosegardenGUIDoc.h"
#include "misc/Strings.h"
#include "NotePixmapFactory.h"
#include "NotationView.h"
#include "NotationStaff.h"
#include <map>
#include <set>
#include <string>
#include <utility>
#include <tdeapplication.h>
#include <tdelocale.h>
#include <tqsize.h>
#include <tqwidget.h>
#include <tqhbox.h>
#include <tqvbox.h>
#include <tqpushbutton.h>
#include <tqlabel.h>
#include <tqframe.h>
#include <tqstring.h>
#include <tqtooltip.h>
namespace Rosegarden
{
// Status bits
const int TrackHeader::SEGMENT_HERE = 1 << 0;
const int TrackHeader::SUPERIMPOSED_SEGMENTS = 1 << 1;
const int TrackHeader::INCONSISTENT_CLEFS = 1 << 2;
const int TrackHeader::INCONSISTENT_KEYS = 1 << 3;
const int TrackHeader::INCONSISTENT_LABELS = 1 << 4;
const int TrackHeader::INCONSISTENT_TRANSPOSITIONS = 1 << 5;
const int TrackHeader::BEFORE_FIRST_SEGMENT = 1 << 6;
TrackHeader::TrackHeader(TQWidget *parent, TrackId trackId, int height, int ypos) :
TQLabel(parent),
m_track(trackId),
m_height(height),
m_ypos(ypos),
m_lastClef(Clef()),
m_lastKey(Rosegarden::Key()),
m_lastLabel(TQString("")),
m_lastTranspose(0),
m_lastUpperText(TQString("")),
m_neverUpdated(true),
m_isCurrent(true),
m_lastStatusPart(0),
m_lastWidth(0),
m_key(Rosegarden::Key()),
m_label(TQString("")),
m_transpose(0),
m_status(0),
m_current(false)
{
m_notationView = static_cast<HeadersGroup *>(parent)->getNotationView();
setFrameStyle(TQFrame::Box | TQFrame::Plain);
setCurrent(false);
//
// Tooltip text creation
Composition *comp =
static_cast<HeadersGroup *>(parent)->getComposition();
Track *track = comp->getTrackById(m_track);
int trackPos = comp->getTrackPositionById(m_track);
TQString toolTipText = TQString(i18n("Track %1 : \"%2\"")
.arg(trackPos + 1)
.arg(strtoqstr(track->getLabel())));
TQString preset = track->getPresetLabel().c_str();
if (preset != TQString(""))
toolTipText += TQString(i18n("\nNotate for: %1").arg(preset));
TQString notationSize = i18n("normal");
switch (track->getStaffSize()) {
case StaffTypes::Small:
notationSize = i18n("small");
break;
case StaffTypes::Tiny:
notationSize = i18n("tiny");
break;
}
TQString bracketText = i18n("--");
switch (track->getStaffBracket()) {
case Brackets::SquareOn:
bracketText = "[-";
break;
case Brackets::SquareOff:
bracketText = "-]";
break;
case Brackets::SquareOnOff:
bracketText = "[-]";
break;
case Brackets::CurlyOn:
bracketText = "{-";
break;
case Brackets::CurlyOff:
bracketText = "-}";
break;
case Brackets::CurlySquareOn:
bracketText = "{[-";
break;
case Brackets::CurlySquareOff:
bracketText = "-]}";
break;
}
toolTipText += TQString(i18n("\nSize: %1, Bracket: %2 "))
.arg(notationSize)
.arg(bracketText);
// Sort segments by position on the track
SortedSegments segments;
for (int i=0; i<m_notationView->getStaffCount(); i++) {
NotationStaff * notationStaff = m_notationView->getNotationStaff(i);
Segment &segment = notationStaff->getSegment();
TrackId trackId = segment.getTrack();
if (trackId == m_track) {
segments.insert(&segment);
}
}
for (SortedSegments::iterator i=segments.begin(); i!=segments.end(); ++i) {
timeT segStart = (*i)->getStartTime();
timeT segEnd = (*i)->getEndMarkerTime();
int barStart = comp->getBarNumber(segStart) + 1;
int barEnd = comp->getBarNumber(segEnd) + 1;
int transpose = (*i)->getTranspose();
if (transpose) {
TQString transposeName;
transposeValueToName(transpose, transposeName);
toolTipText += TQString(i18n("\nbars [%1-%2] in %3 (tr=%4) : \"%5\""))
.arg(barStart)
.arg(barEnd)
.arg(transposeName)
.arg(transpose)
.arg(strtoqstr((*i)->getLabel()));
} else {
toolTipText += TQString(i18n("\nbars [%1-%2] (tr=%3) : \"%4\""))
.arg(barStart)
.arg(barEnd)
.arg(transpose)
.arg(strtoqstr((*i)->getLabel()));
}
}
TQToolTip::add(this, toolTipText);
m_firstSeg = *segments.begin();
m_firstSegStartTime = m_firstSeg->getStartTime();
/// This may not work if two segments are superimposed
/// at the beginning of the track (inconsistencies are
/// not detected).
/// TODO : Look for the first segment(s) in
/// lookAtStaff() and not here.
}
void
TrackHeader::setCurrent(bool current)
{
/// TODO : use colours from GUIPalette
if (current != m_isCurrent) {
m_isCurrent = current;
if (current) {
setLineWidth(2);
setMargin(0);
setPaletteForegroundColor(TQColor(0, 0, 255));
} else {
setLineWidth(1);
setMargin(1);
setPaletteForegroundColor(TQColor(0, 0, 0));
}
}
}
void
TrackHeader::transposeValueToName(int transpose, TQString &transposeName)
{
/// TODO : Should be rewrited using methods from Pitch class
int noteIndex = transpose % 12;
if (noteIndex < 0) noteIndex += 12;
switch(noteIndex) {
case 0 : transposeName = i18n("C"); break;
case 1 : transposeName = i18n("C#"); break;
case 2 : transposeName = i18n("D"); break;
case 3 : transposeName = i18n("Eb"); break;
case 4 : transposeName = i18n("E"); break;
case 5 : transposeName = i18n("F"); break;
case 6 : transposeName = i18n("F#"); break;
case 7 : transposeName = i18n("G"); break;
case 8 : transposeName = i18n("G#"); break;
case 9 : transposeName = i18n("A"); break;
case 10 : transposeName = i18n("Bb"); break;
case 11 : transposeName = i18n("B"); break;
}
}
int
TrackHeader::lookAtStaff(double x, int maxWidth)
{
// Read Clef and Key on canvas at (x, m_ypos + m_height / 2)
// then guess the header needed width and return it
// When walking through the segments :
// clef, key, label and transpose are current values
// clef0, key0, label0 and transpose0 are preceding values used to look
// for inconsistencies
// key1, label1 and transpose1 are "visible" (opposed at invisible as are
// key=<C major>, label="" or transpose=0)
// preceding or current values which may be
// displayed with a red colour if some
// inconsistency occurs.
Clef clef, clef0;
Rosegarden::Key key, key0, key1 = Rosegarden::Key("C major");
TQString label = TQString(""), label0, label1 = TQString("");
int transpose = 0, transpose0, transpose1 = 0;
int staff;
Composition *comp =
static_cast<HeadersGroup *>(parent())->getComposition();
Track *track = comp->getTrackById(m_track);
int trackPos = comp->getTrackPositionById(m_track);
int status = 0;
bool current = false;
for (int i=0; i<m_notationView->getStaffCount(); i++) {
NotationStaff * notationStaff = m_notationView->getNotationStaff(i);
Segment &segment = notationStaff->getSegment();
TrackId trackId = segment.getTrack();
if (trackId == m_track) {
/// TODO : What if a segment has been moved ???
timeT xTime = notationStaff->getTimeAtCanvasCoords(x, m_ypos);
if (xTime < m_firstSegStartTime) {
status |= BEFORE_FIRST_SEGMENT;
/// TODO : What if superimposed segments ???
m_firstSeg->getFirstClefAndKey(clef, key);
label = strtoqstr(m_firstSeg->getLabel());
transpose = m_firstSeg->getTranspose();
current = current || m_notationView->isCurrentStaff(i);
break;
}
timeT segStart = segment.getStartTime();
timeT segEnd = segment.getEndMarkerTime();
current = current || m_notationView->isCurrentStaff(i);
if ((xTime >= segStart) && (xTime < segEnd)) {
notationStaff->getClefAndKeyAtCanvasCoords(x,
m_ypos + m_height / 2, clef, key);
label = strtoqstr(segment.getLabel());
transpose = segment.getTranspose();
if (status & SEGMENT_HERE) {
status |= SUPERIMPOSED_SEGMENTS;
if (clef != clef0)
status |= INCONSISTENT_CLEFS;
if (key != key0)
status |= INCONSISTENT_KEYS;
if (label != label0)
status |= INCONSISTENT_LABELS;
if (transpose != transpose0)
status |= INCONSISTENT_TRANSPOSITIONS;
} else {
status |= SEGMENT_HERE;
}
staff = i;
// If current value is visible, remember it
if (key.getAccidentalCount()) key1 = key;
if (label.stripWhiteSpace().length()) label1 = label;
if (transpose) transpose1 = transpose;
// Current values become last values
clef0 = clef;
key0 = key;
label0 = label;
transpose0 = transpose;
} // if(xTime...)
} // if(trackId...)
}
// Remember current data (but only visible data if inconsistency)
m_clef = clef;
m_key = (status & INCONSISTENT_KEYS) ? key1 : key;
m_label = (status & INCONSISTENT_LABELS) ? label1 : label;
m_transpose = (status & INCONSISTENT_TRANSPOSITIONS) ? transpose1 : transpose;
m_current = current;
m_status = status;
TQString noteName;
transposeValueToName(m_transpose, noteName);
m_upperText = TQString(i18n("%1: %2")
.arg(trackPos + 1)
.arg(strtoqstr(track->getLabel())));
if (m_transpose) m_transposeText = i18n(" in %1").arg(noteName);
else m_transposeText = TQString("");
NotePixmapFactory * npf = m_notationView->getNotePixmapFactory();
int clefAndKeyWidth = npf->getClefAndKeyWidth(m_key, m_clef);
// How many text lines may be written above or under the clef
// in track header ?
m_numberOfTextLines = npf->getTrackHeaderNTL(m_height);
int trackLabelWidth =
npf->getTrackHeaderTextWidth(m_upperText + m_transposeText)
/ m_numberOfTextLines;
int segmentNameWidth =
npf->getTrackHeaderTextWidth(m_label) / m_numberOfTextLines;
// Get the max. width from upper text and lower text
int width = (segmentNameWidth > trackLabelWidth)
? segmentNameWidth : trackLabelWidth;
// Text width is limited by max header Width
if (width > maxWidth) width = maxWidth;
// But clef and key width may override max header width
if (width < clefAndKeyWidth) width = clefAndKeyWidth;
return width;
}
void
TrackHeader::updateHeader(int width)
{
// Update the header (using given width) if necessary
// Filter out bits whose display doesn't depend from
int statusPart = m_status & ~(SUPERIMPOSED_SEGMENTS);
// Header should be updated only if necessary
if ( m_neverUpdated
|| (width != m_lastWidth)
|| (statusPart != m_lastStatusPart)
|| (m_key != m_lastKey)
|| (m_clef != m_lastClef)
|| (m_label != m_lastLabel)
|| (m_upperText != m_lastUpperText)
|| (m_transpose != m_lastTranspose)) {
m_neverUpdated = false;
m_lastStatusPart = statusPart;
m_lastKey = m_key;
m_lastClef = m_clef;
m_lastLabel = m_label;
m_lastTranspose = m_transpose;
m_lastUpperText = m_upperText;
bool drawClef = true;
TQColor clefColour;
if (m_status & (SEGMENT_HERE | BEFORE_FIRST_SEGMENT)) {
if (m_status & (INCONSISTENT_CLEFS | INCONSISTENT_KEYS))
clefColour = TQt::red;
else
clefColour = TQt::black;
} else {
drawClef = false;
}
NotePixmapFactory * npf = m_notationView->getNotePixmapFactory();
TQPixmap pmap = NotePixmapFactory::toTQPixmap(
npf->makeTrackHeaderPixmap(width, m_height, this));
setPixmap(pmap);
setFixedWidth(width);
// Forced width may differ from localy computed width
m_lastWidth = width;
}
// Highlight header if track is the current one
setCurrent(m_current);
}
bool
TrackHeader::SegmentCmp::operator()(const Segment * s1, const Segment * s2) const
{
// Sort segments by start time, then by end time
if (s1->getStartTime() < s2->getStartTime()) return true;
if (s1->getStartTime() > s2->getStartTime()) return false;
if (s1->getEndMarkerTime() < s2->getEndMarkerTime()) return true;
return false;
}
}
#include "TrackHeader.moc"
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