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.
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: #include "TextLayer.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include "data/model/Model.h"
lbajardsilogic@0: #include "base/RealTime.h"
lbajardsilogic@0: #include "base/Profiler.h"
lbajardsilogic@0: #include "view/View.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include "data/model/TextModel.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include <QPainter>
lbajardsilogic@0: #include <QMouseEvent>
lbajardsilogic@0: #include <QInputDialog>
lbajardsilogic@0: 
lbajardsilogic@0: #include <iostream>
lbajardsilogic@0: #include <cmath>
lbajardsilogic@0: 
lbajardsilogic@0: TextLayer::TextLayer() :
lbajardsilogic@0:     Layer(),
lbajardsilogic@0:     m_model(0),
lbajardsilogic@0:     m_editing(false),
lbajardsilogic@0:     m_originalPoint(0, 0.0, tr("Empty Label")),
lbajardsilogic@0:     m_editingPoint(0, 0.0, tr("Empty Label")),
lbajardsilogic@0:     m_editingCommand(0),
lbajardsilogic@0:     m_colour(255, 150, 50) // orange
lbajardsilogic@0: {
lbajardsilogic@0:     
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::setModel(TextModel *model)
lbajardsilogic@0: {
lbajardsilogic@0:     if (m_model == model) return;
lbajardsilogic@0:     m_model = model;
lbajardsilogic@0: 
lbajardsilogic@0:     connect(m_model, SIGNAL(modelChanged()), this, SIGNAL(modelChanged()));
lbajardsilogic@0:     connect(m_model, SIGNAL(modelChanged(size_t, size_t)),
lbajardsilogic@0: 	    this, SIGNAL(modelChanged(size_t, size_t)));
lbajardsilogic@0: 
lbajardsilogic@0:     connect(m_model, SIGNAL(completionChanged()),
lbajardsilogic@0: 	    this, SIGNAL(modelCompletionChanged()));
lbajardsilogic@0: 
lbajardsilogic@0: //    std::cerr << "TextLayer::setModel(" << model << ")" << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     emit modelReplaced();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: Layer::PropertyList
lbajardsilogic@0: TextLayer::getProperties() const
lbajardsilogic@0: {
lbajardsilogic@0:     PropertyList list;
lbajardsilogic@0:     list.push_back("Colour");
lbajardsilogic@0:     return list;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: QString
lbajardsilogic@0: TextLayer::getPropertyLabel(const PropertyName &name) const
lbajardsilogic@0: {
lbajardsilogic@0:     if (name == "Colour") return tr("Colour");
lbajardsilogic@0:     return "";
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: Layer::PropertyType
lbajardsilogic@0: TextLayer::getPropertyType(const PropertyName &) const
lbajardsilogic@0: {
lbajardsilogic@0:     return ValueProperty;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: int
lbajardsilogic@0: TextLayer::getPropertyRangeAndValue(const PropertyName &name,
lbajardsilogic@0: 				    int *min, int *max, int *deflt) const
lbajardsilogic@0: {
lbajardsilogic@0:     //!!! factor this colour handling stuff out into a colour manager class
lbajardsilogic@0: 
lbajardsilogic@0:     int val = 0;
lbajardsilogic@0: 
lbajardsilogic@0:     if (name == "Colour") {
lbajardsilogic@0: 
lbajardsilogic@0: 	if (min) *min = 0;
lbajardsilogic@0: 	if (max) *max = 5;
lbajardsilogic@0:         if (deflt) *deflt = 0;
lbajardsilogic@0: 
lbajardsilogic@0: 	if (m_colour == Qt::black) val = 0;
lbajardsilogic@0: 	else if (m_colour == Qt::darkRed) val = 1;
lbajardsilogic@0: 	else if (m_colour == Qt::darkBlue) val = 2;
lbajardsilogic@0: 	else if (m_colour == Qt::darkGreen) val = 3;
lbajardsilogic@0: 	else if (m_colour == QColor(200, 50, 255)) val = 4;
lbajardsilogic@0: 	else if (m_colour == QColor(255, 150, 50)) val = 5;
lbajardsilogic@0: 
lbajardsilogic@0:     } else {
lbajardsilogic@0: 	
lbajardsilogic@0: 	val = Layer::getPropertyRangeAndValue(name, min, max, deflt);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     return val;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: QString
lbajardsilogic@0: TextLayer::getPropertyValueLabel(const PropertyName &name,
lbajardsilogic@0: 				 int value) const
lbajardsilogic@0: {
lbajardsilogic@0:     if (name == "Colour") {
lbajardsilogic@0: 	switch (value) {
lbajardsilogic@0: 	default:
lbajardsilogic@0: 	case 0: return tr("Black");
lbajardsilogic@0: 	case 1: return tr("Red");
lbajardsilogic@0: 	case 2: return tr("Blue");
lbajardsilogic@0: 	case 3: return tr("Green");
lbajardsilogic@0: 	case 4: return tr("Purple");
lbajardsilogic@0: 	case 5: return tr("Orange");
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0:     return tr("<unknown>");
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::setProperty(const PropertyName &name, int value)
lbajardsilogic@0: {
lbajardsilogic@0:     if (name == "Colour") {
lbajardsilogic@0: 	switch (value) {
lbajardsilogic@0: 	default:
lbajardsilogic@0: 	case 0:	setBaseColour(Qt::black); break;
lbajardsilogic@0: 	case 1: setBaseColour(Qt::darkRed); break;
lbajardsilogic@0: 	case 2: setBaseColour(Qt::darkBlue); break;
lbajardsilogic@0: 	case 3: setBaseColour(Qt::darkGreen); break;
lbajardsilogic@0: 	case 4: setBaseColour(QColor(200, 50, 255)); break;
lbajardsilogic@0: 	case 5: setBaseColour(QColor(255, 150, 50)); break;
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: bool
lbajardsilogic@0: TextLayer::getValueExtents(float &, float &, bool &, QString &) const
lbajardsilogic@0: {
lbajardsilogic@0:     return false;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::setBaseColour(QColor colour)
lbajardsilogic@0: {
lbajardsilogic@0:     if (m_colour == colour) return;
lbajardsilogic@0:     m_colour = colour;
lbajardsilogic@0:     emit layerParametersChanged();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: bool
lbajardsilogic@0: TextLayer::isLayerScrollable(const View *v) const
lbajardsilogic@0: {
lbajardsilogic@0:     QPoint discard;
lbajardsilogic@0:     return !v->shouldIlluminateLocalFeatures(this, discard);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: 
lbajardsilogic@0: TextModel::PointList
lbajardsilogic@0: TextLayer::getLocalPoints(View *v, int x, int y) const
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model) return TextModel::PointList();
lbajardsilogic@0: 
lbajardsilogic@0:     long frame0 = v->getFrameForX(-150);
lbajardsilogic@0:     long frame1 = v->getFrameForX(v->width() + 150);
lbajardsilogic@0:     
lbajardsilogic@0:     TextModel::PointList points(m_model->getPoints(frame0, frame1));
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList rv;
lbajardsilogic@0:     QFontMetrics metrics = QPainter().fontMetrics();
lbajardsilogic@0: 
lbajardsilogic@0:     for (TextModel::PointList::iterator i = points.begin();
lbajardsilogic@0: 	 i != points.end(); ++i) {
lbajardsilogic@0: 
lbajardsilogic@0: 	const TextModel::Point &p(*i);
lbajardsilogic@0: 
lbajardsilogic@0: 	int px = v->getXForFrame(p.frame);
lbajardsilogic@0: 	int py = getYForHeight(v, p.height);
lbajardsilogic@0: 
lbajardsilogic@0: 	QString label = p.label;
lbajardsilogic@0: 	if (label == "") {
lbajardsilogic@0: 	    label = tr("<no text>");
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	QRect rect = metrics.boundingRect
lbajardsilogic@0: 	    (QRect(0, 0, 150, 200),
lbajardsilogic@0: 	     Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, label);
lbajardsilogic@0: 
lbajardsilogic@0: 	if (py + rect.height() > v->height()) {
lbajardsilogic@0: 	    if (rect.height() > v->height()) py = 0;
lbajardsilogic@0: 	    else py = v->height() - rect.height() - 1;
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	if (x >= px && x < px + rect.width() &&
lbajardsilogic@0: 	    y >= py && y < py + rect.height()) {
lbajardsilogic@0: 	    rv.insert(p);
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     return rv;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: QString
lbajardsilogic@0: TextLayer::getFeatureDescription(View *v, QPoint &pos) const
lbajardsilogic@0: {
lbajardsilogic@0:     int x = pos.x();
lbajardsilogic@0: 
lbajardsilogic@0:     if (!m_model || !m_model->getSampleRate()) return "";
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points = getLocalPoints(v, x, pos.y());
lbajardsilogic@0: 
lbajardsilogic@0:     if (points.empty()) {
lbajardsilogic@0: 	if (!m_model->isReady()) {
lbajardsilogic@0: 	    return tr("In progress");
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    return "";
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     long useFrame = points.begin()->frame;
lbajardsilogic@0: 
lbajardsilogic@0:     RealTime rt = RealTime::frame2RealTime(useFrame, m_model->getSampleRate());
lbajardsilogic@0:     
lbajardsilogic@0:     QString text;
lbajardsilogic@0: 
lbajardsilogic@0:     if (points.begin()->label == "") {
lbajardsilogic@0: 	text = QString(tr("Time:\t%1\nHeight:\t%2\nLabel:\t%3"))
lbajardsilogic@0: 	    .arg(rt.toText(true).c_str())
lbajardsilogic@0: 	    .arg(points.begin()->height)
lbajardsilogic@0: 	    .arg(points.begin()->label);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     pos = QPoint(v->getXForFrame(useFrame),
lbajardsilogic@0: 		 getYForHeight(v, points.begin()->height));
lbajardsilogic@0:     return text;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: 
lbajardsilogic@0: //!!! too much overlap with TimeValueLayer/TimeInstantLayer
lbajardsilogic@0: 
lbajardsilogic@0: bool
lbajardsilogic@0: TextLayer::snapToFeatureFrame(View *v, int &frame,
lbajardsilogic@0: 			      size_t &resolution,
lbajardsilogic@0: 			      SnapType snap) const
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model) {
lbajardsilogic@0: 	return Layer::snapToFeatureFrame(v, frame, resolution, snap);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     resolution = m_model->getResolution();
lbajardsilogic@0:     TextModel::PointList points;
lbajardsilogic@0: 
lbajardsilogic@0:     if (snap == SnapNeighbouring) {
lbajardsilogic@0: 	
lbajardsilogic@0: 	points = getLocalPoints(v, v->getXForFrame(frame), -1);
lbajardsilogic@0: 	if (points.empty()) return false;
lbajardsilogic@0: 	frame = points.begin()->frame;
lbajardsilogic@0: 	return true;
lbajardsilogic@0:     }    
lbajardsilogic@0: 
lbajardsilogic@0:     points = m_model->getPoints(frame, frame);
lbajardsilogic@0:     int snapped = frame;
lbajardsilogic@0:     bool found = false;
lbajardsilogic@0: 
lbajardsilogic@0:     for (TextModel::PointList::const_iterator i = points.begin();
lbajardsilogic@0: 	 i != points.end(); ++i) {
lbajardsilogic@0: 
lbajardsilogic@0: 	if (snap == SnapRight) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (i->frame > frame) {
lbajardsilogic@0: 		snapped = i->frame;
lbajardsilogic@0: 		found = true;
lbajardsilogic@0: 		break;
lbajardsilogic@0: 	    }
lbajardsilogic@0: 
lbajardsilogic@0: 	} else if (snap == SnapLeft) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (i->frame <= frame) {
lbajardsilogic@0: 		snapped = i->frame;
lbajardsilogic@0: 		found = true; // don't break, as the next may be better
lbajardsilogic@0: 	    } else {
lbajardsilogic@0: 		break;
lbajardsilogic@0: 	    }
lbajardsilogic@0: 
lbajardsilogic@0: 	} else { // nearest
lbajardsilogic@0: 
lbajardsilogic@0: 	    TextModel::PointList::const_iterator j = i;
lbajardsilogic@0: 	    ++j;
lbajardsilogic@0: 
lbajardsilogic@0: 	    if (j == points.end()) {
lbajardsilogic@0: 
lbajardsilogic@0: 		snapped = i->frame;
lbajardsilogic@0: 		found = true;
lbajardsilogic@0: 		break;
lbajardsilogic@0: 
lbajardsilogic@0: 	    } else if (j->frame >= frame) {
lbajardsilogic@0: 
lbajardsilogic@0: 		if (j->frame - frame < frame - i->frame) {
lbajardsilogic@0: 		    snapped = j->frame;
lbajardsilogic@0: 		} else {
lbajardsilogic@0: 		    snapped = i->frame;
lbajardsilogic@0: 		}
lbajardsilogic@0: 		found = true;
lbajardsilogic@0: 		break;
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     frame = snapped;
lbajardsilogic@0:     return found;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: int
lbajardsilogic@0: TextLayer::getYForHeight(View *v, float height) const
lbajardsilogic@0: {
lbajardsilogic@0:     int h = v->height();
lbajardsilogic@0:     return h - int(height * h);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: float
lbajardsilogic@0: TextLayer::getHeightForY(View *v, int y) const
lbajardsilogic@0: {
lbajardsilogic@0:     int h = v->height();
lbajardsilogic@0:     return float(h - y) / h;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::paint(View *v, QPainter &paint, QRect rect) const
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model || !m_model->isOK()) return;
lbajardsilogic@0: 
lbajardsilogic@0:     int sampleRate = m_model->getSampleRate();
lbajardsilogic@0:     if (!sampleRate) return;
lbajardsilogic@0: 
lbajardsilogic@0: //    Profiler profiler("TextLayer::paint", true);
lbajardsilogic@0: 
lbajardsilogic@0:     int x0 = rect.left(), x1 = rect.right();
lbajardsilogic@0:     long frame0 = v->getFrameForX(x0);
lbajardsilogic@0:     long frame1 = v->getFrameForX(x1);
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points(m_model->getPoints(frame0, frame1));
lbajardsilogic@0:     if (points.empty()) return;
lbajardsilogic@0: 
lbajardsilogic@0:     QColor brushColour(m_colour);
lbajardsilogic@0: 
lbajardsilogic@0:     int h, s, val;
lbajardsilogic@0:     brushColour.getHsv(&h, &s, &val);
lbajardsilogic@0:     brushColour.setHsv(h, s, 255, 100);
lbajardsilogic@0: 
lbajardsilogic@0:     QColor penColour;
lbajardsilogic@0:     if (v->hasLightBackground()) {
lbajardsilogic@0: 	penColour = Qt::black;
lbajardsilogic@0:     } else {
lbajardsilogic@0: 	penColour = Qt::white;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0: //    std::cerr << "TextLayer::paint: resolution is "
lbajardsilogic@0: //	      << m_model->getResolution() << " frames" << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     QPoint localPos;
lbajardsilogic@0:     long illuminateFrame = -1;
lbajardsilogic@0: 
lbajardsilogic@0:     if (v->shouldIlluminateLocalFeatures(this, localPos)) {
lbajardsilogic@0: 	TextModel::PointList localPoints = getLocalPoints(v, localPos.x(),
lbajardsilogic@0: 							  localPos.y());
lbajardsilogic@0: 	if (!localPoints.empty()) illuminateFrame = localPoints.begin()->frame;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     int boxMaxWidth = 150;
lbajardsilogic@0:     int boxMaxHeight = 200;
lbajardsilogic@0: 
lbajardsilogic@0:     paint.save();
lbajardsilogic@0:     paint.setClipRect(rect.x(), 0, rect.width() + boxMaxWidth, v->height());
lbajardsilogic@0:     
lbajardsilogic@0:     for (TextModel::PointList::const_iterator i = points.begin();
lbajardsilogic@0: 	 i != points.end(); ++i) {
lbajardsilogic@0: 
lbajardsilogic@0: 	const TextModel::Point &p(*i);
lbajardsilogic@0: 
lbajardsilogic@0: 	int x = v->getXForFrame(p.frame);
lbajardsilogic@0: 	int y = getYForHeight(v, p.height);
lbajardsilogic@0: 
lbajardsilogic@0: 	if (illuminateFrame == p.frame) {
lbajardsilogic@0: 	    paint.setBrush(penColour);
lbajardsilogic@0: 	    if (v->hasLightBackground()) {
lbajardsilogic@0: 		paint.setPen(Qt::white);
lbajardsilogic@0: 	    } else {
lbajardsilogic@0: 		paint.setPen(Qt::black);
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    paint.setPen(penColour);
lbajardsilogic@0: 	    paint.setBrush(brushColour);
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	QString label = p.label;
lbajardsilogic@0: 	if (label == "") {
lbajardsilogic@0: 	    label = tr("<no text>");
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	QRect boxRect = paint.fontMetrics().boundingRect
lbajardsilogic@0: 	    (QRect(0, 0, boxMaxWidth, boxMaxHeight),
lbajardsilogic@0: 	     Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, label);
lbajardsilogic@0: 
lbajardsilogic@0: 	QRect textRect = QRect(3, 2, boxRect.width(), boxRect.height());
lbajardsilogic@0: 	boxRect = QRect(0, 0, boxRect.width() + 6, boxRect.height() + 2);
lbajardsilogic@0: 
lbajardsilogic@0: 	if (y + boxRect.height() > v->height()) {
lbajardsilogic@0: 	    if (boxRect.height() > v->height()) y = 0;
lbajardsilogic@0: 	    else y = v->height() - boxRect.height() - 1;
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	boxRect = QRect(x, y, boxRect.width(), boxRect.height());
lbajardsilogic@0: 	textRect = QRect(x + 3, y + 2, textRect.width(), textRect.height());
lbajardsilogic@0: 
lbajardsilogic@0: //	boxRect = QRect(x, y, boxRect.width(), boxRect.height());
lbajardsilogic@0: //	textRect = QRect(x + 3, y + 2, textRect.width(), textRect.height());
lbajardsilogic@0: 
lbajardsilogic@0: 	paint.setRenderHint(QPainter::Antialiasing, false);
lbajardsilogic@0: 	paint.drawRect(boxRect);
lbajardsilogic@0: 
lbajardsilogic@0: 	paint.setRenderHint(QPainter::Antialiasing, true);
lbajardsilogic@0: 	paint.drawText(textRect,
lbajardsilogic@0: 		       Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap,
lbajardsilogic@0: 		       label);
lbajardsilogic@0: 
lbajardsilogic@0: ///	if (p.label != "") {
lbajardsilogic@0: ///	    paint.drawText(x + 5, y - paint.fontMetrics().height() + paint.fontMetrics().ascent(), p.label);
lbajardsilogic@0: ///	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     paint.restore();
lbajardsilogic@0: 
lbajardsilogic@0:     // looks like save/restore doesn't deal with this:
lbajardsilogic@0:     paint.setRenderHint(QPainter::Antialiasing, false);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::drawStart(View *v, QMouseEvent *e)
lbajardsilogic@0: {
lbajardsilogic@0: //    std::cerr << "TextLayer::drawStart(" << e->x() << "," << e->y() << ")" << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     if (!m_model) {
lbajardsilogic@0: 	std::cerr << "TextLayer::drawStart: no model" << std::endl;
lbajardsilogic@0: 	return;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     long frame = v->getFrameForX(e->x());
lbajardsilogic@0:     if (frame < 0) frame = 0;
lbajardsilogic@0:     frame = frame / m_model->getResolution() * m_model->getResolution();
lbajardsilogic@0: 
lbajardsilogic@0:     float height = getHeightForY(v, e->y());
lbajardsilogic@0: 
lbajardsilogic@0:     m_editingPoint = TextModel::Point(frame, height, "");
lbajardsilogic@0:     m_originalPoint = m_editingPoint;
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_editingCommand) m_editingCommand->finish();
lbajardsilogic@0:     m_editingCommand = new TextModel::EditCommand(m_model, "Add Label");
lbajardsilogic@0:     m_editingCommand->addPoint(m_editingPoint);
lbajardsilogic@0: 
lbajardsilogic@0:     m_editing = true;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::drawDrag(View *v, QMouseEvent *e)
lbajardsilogic@0: {
lbajardsilogic@0: //    std::cerr << "TextLayer::drawDrag(" << e->x() << "," << e->y() << ")" << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     if (!m_model || !m_editing) return;
lbajardsilogic@0: 
lbajardsilogic@0:     long frame = v->getFrameForX(e->x());
lbajardsilogic@0:     if (frame < 0) frame = 0;
lbajardsilogic@0:     frame = frame / m_model->getResolution() * m_model->getResolution();
lbajardsilogic@0: 
lbajardsilogic@0:     float height = getHeightForY(v, e->y());
lbajardsilogic@0: 
lbajardsilogic@0:     m_editingCommand->deletePoint(m_editingPoint);
lbajardsilogic@0:     m_editingPoint.frame = frame;
lbajardsilogic@0:     m_editingPoint.height = height;
lbajardsilogic@0:     m_editingCommand->addPoint(m_editingPoint);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::drawEnd(View *v, QMouseEvent *)
lbajardsilogic@0: {
lbajardsilogic@0: //    std::cerr << "TextLayer::drawEnd(" << e->x() << "," << e->y() << ")" << std::endl;
lbajardsilogic@0:     if (!m_model || !m_editing) return;
lbajardsilogic@0: 
lbajardsilogic@0:     bool ok = false;
lbajardsilogic@0:     QString label = QInputDialog::getText(v, tr("Enter label"),
lbajardsilogic@0: 					  tr("Please enter a new label:"),
lbajardsilogic@0: 					  QLineEdit::Normal, "", &ok);
lbajardsilogic@0: 
lbajardsilogic@0:     if (ok) {
lbajardsilogic@0: 	TextModel::RelabelCommand *command =
lbajardsilogic@0: 	    new TextModel::RelabelCommand(m_model, m_editingPoint, label);
lbajardsilogic@0: 	m_editingCommand->addCommand(command);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     m_editingCommand->finish();
lbajardsilogic@0:     m_editingCommand = 0;
lbajardsilogic@0:     m_editing = false;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::editStart(View *v, QMouseEvent *e)
lbajardsilogic@0: {
lbajardsilogic@0: //    std::cerr << "TextLayer::editStart(" << e->x() << "," << e->y() << ")" << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     if (!m_model) return;
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points = getLocalPoints(v, e->x(), e->y());
lbajardsilogic@0:     if (points.empty()) return;
lbajardsilogic@0: 
lbajardsilogic@0:     m_editOrigin = e->pos();
lbajardsilogic@0:     m_editingPoint = *points.begin();
lbajardsilogic@0:     m_originalPoint = m_editingPoint;
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_editingCommand) {
lbajardsilogic@0: 	m_editingCommand->finish();
lbajardsilogic@0: 	m_editingCommand = 0;
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     m_editing = true;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::editDrag(View *v, QMouseEvent *e)
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model || !m_editing) return;
lbajardsilogic@0: 
lbajardsilogic@0:     long frameDiff = v->getFrameForX(e->x()) - v->getFrameForX(m_editOrigin.x());
lbajardsilogic@0:     float heightDiff = getHeightForY(v, e->y()) - getHeightForY(v, m_editOrigin.y());
lbajardsilogic@0: 
lbajardsilogic@0:     long frame = m_originalPoint.frame + frameDiff;
lbajardsilogic@0:     float height = m_originalPoint.height + heightDiff;
lbajardsilogic@0: 
lbajardsilogic@0: //    long frame = v->getFrameForX(e->x());
lbajardsilogic@0:     if (frame < 0) frame = 0;
lbajardsilogic@0:     frame = (frame / m_model->getResolution()) * m_model->getResolution();
lbajardsilogic@0: 
lbajardsilogic@0: //    float height = getHeightForY(v, e->y());
lbajardsilogic@0: 
lbajardsilogic@0:     if (!m_editingCommand) {
lbajardsilogic@0: 	m_editingCommand = new TextModel::EditCommand(m_model, tr("Drag Label"));
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     m_editingCommand->deletePoint(m_editingPoint);
lbajardsilogic@0:     m_editingPoint.frame = frame;
lbajardsilogic@0:     m_editingPoint.height = height;
lbajardsilogic@0:     m_editingCommand->addPoint(m_editingPoint);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::editEnd(View *, QMouseEvent *)
lbajardsilogic@0: {
lbajardsilogic@0: //    std::cerr << "TextLayer::editEnd(" << e->x() << "," << e->y() << ")" << std::endl;
lbajardsilogic@0:     if (!m_model || !m_editing) return;
lbajardsilogic@0: 
lbajardsilogic@0:     if (m_editingCommand) {
lbajardsilogic@0: 
lbajardsilogic@0: 	QString newName = m_editingCommand->getName();
lbajardsilogic@0: 
lbajardsilogic@0: 	if (m_editingPoint.frame != m_originalPoint.frame) {
lbajardsilogic@0: 	    if (m_editingPoint.height != m_originalPoint.height) {
lbajardsilogic@0: 		newName = tr("Move Label");
lbajardsilogic@0: 	    } else {
lbajardsilogic@0: 		newName = tr("Move Label Horizontally");
lbajardsilogic@0: 	    }
lbajardsilogic@0: 	} else {
lbajardsilogic@0: 	    newName = tr("Move Label Vertically");
lbajardsilogic@0: 	}
lbajardsilogic@0: 
lbajardsilogic@0: 	m_editingCommand->setName(newName);
lbajardsilogic@0: 	m_editingCommand->finish();
lbajardsilogic@0:     }
lbajardsilogic@0:     
lbajardsilogic@0:     m_editingCommand = 0;
lbajardsilogic@0:     m_editing = false;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::editOpen(View *v, QMouseEvent *e)
lbajardsilogic@0: {
lbajardsilogic@0:     std::cerr << "TextLayer::editOpen" << std::endl;
lbajardsilogic@0: 
lbajardsilogic@0:     if (!m_model) return;
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points = getLocalPoints(v, e->x(), e->y());
lbajardsilogic@0:     if (points.empty()) return;
lbajardsilogic@0: 
lbajardsilogic@0:     QString label = points.begin()->label;
lbajardsilogic@0: 
lbajardsilogic@0:     bool ok = false;
lbajardsilogic@0:     label = QInputDialog::getText(v, tr("Enter label"),
lbajardsilogic@0: 				  tr("Please enter a new label:"),
lbajardsilogic@0: 				  QLineEdit::Normal, label, &ok);
lbajardsilogic@0:     if (ok && label != points.begin()->label) {
lbajardsilogic@0: 	TextModel::RelabelCommand *command =
lbajardsilogic@0: 	    new TextModel::RelabelCommand(m_model, *points.begin(), label);
lbajardsilogic@0: 	CommandHistory::getInstance()->addCommand(command);
lbajardsilogic@0:     }
lbajardsilogic@0: }    
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::moveSelection(Selection s, size_t newStartFrame)
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model) return;
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::EditCommand *command =
lbajardsilogic@0: 	new TextModel::EditCommand(m_model, tr("Drag Selection"));
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points =
lbajardsilogic@0: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
lbajardsilogic@0: 
lbajardsilogic@0:     for (TextModel::PointList::iterator i = points.begin();
lbajardsilogic@0: 	 i != points.end(); ++i) {
lbajardsilogic@0: 
lbajardsilogic@0: 	if (s.contains(i->frame)) {
lbajardsilogic@0: 	    TextModel::Point newPoint(*i);
lbajardsilogic@0: 	    newPoint.frame = i->frame + newStartFrame - s.getStartFrame();
lbajardsilogic@0: 	    command->deletePoint(*i);
lbajardsilogic@0: 	    command->addPoint(newPoint);
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     command->finish();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::resizeSelection(Selection s, Selection newSize)
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model) return;
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::EditCommand *command =
lbajardsilogic@0: 	new TextModel::EditCommand(m_model, tr("Resize Selection"));
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points =
lbajardsilogic@0: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
lbajardsilogic@0: 
lbajardsilogic@0:     double ratio =
lbajardsilogic@0: 	double(newSize.getEndFrame() - newSize.getStartFrame()) /
lbajardsilogic@0: 	double(s.getEndFrame() - s.getStartFrame());
lbajardsilogic@0: 
lbajardsilogic@0:     for (TextModel::PointList::iterator i = points.begin();
lbajardsilogic@0: 	 i != points.end(); ++i) {
lbajardsilogic@0: 
lbajardsilogic@0: 	if (s.contains(i->frame)) {
lbajardsilogic@0: 
lbajardsilogic@0: 	    double target = i->frame;
lbajardsilogic@0: 	    target = newSize.getStartFrame() + 
lbajardsilogic@0: 		double(target - s.getStartFrame()) * ratio;
lbajardsilogic@0: 
lbajardsilogic@0: 	    TextModel::Point newPoint(*i);
lbajardsilogic@0: 	    newPoint.frame = lrint(target);
lbajardsilogic@0: 	    command->deletePoint(*i);
lbajardsilogic@0: 	    command->addPoint(newPoint);
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     command->finish();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::deleteSelection(Selection s)
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model) return;
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::EditCommand *command =
lbajardsilogic@0: 	new TextModel::EditCommand(m_model, tr("Delete Selection"));
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points =
lbajardsilogic@0: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
lbajardsilogic@0: 
lbajardsilogic@0:     for (TextModel::PointList::iterator i = points.begin();
lbajardsilogic@0: 	 i != points.end(); ++i) {
lbajardsilogic@0: 	if (s.contains(i->frame)) command->deletePoint(*i);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     command->finish();
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::copy(Selection s, Clipboard &to)
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model) return;
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::PointList points =
lbajardsilogic@0: 	m_model->getPoints(s.getStartFrame(), s.getEndFrame());
lbajardsilogic@0: 
lbajardsilogic@0:     for (TextModel::PointList::iterator i = points.begin();
lbajardsilogic@0: 	 i != points.end(); ++i) {
lbajardsilogic@0: 	if (s.contains(i->frame)) {
lbajardsilogic@0:             Clipboard::Point point(i->frame, i->height, i->label);
lbajardsilogic@0:             to.addPoint(point);
lbajardsilogic@0:         }
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: bool
lbajardsilogic@0: TextLayer::paste(const Clipboard &from, int frameOffset, bool /* interactive */)
lbajardsilogic@0: {
lbajardsilogic@0:     if (!m_model) return false;
lbajardsilogic@0: 
lbajardsilogic@0:     const Clipboard::PointList &points = from.getPoints();
lbajardsilogic@0: 
lbajardsilogic@0:     TextModel::EditCommand *command =
lbajardsilogic@0: 	new TextModel::EditCommand(m_model, tr("Paste"));
lbajardsilogic@0: 
lbajardsilogic@0:     float valueMin = 0.0, valueMax = 1.0;
lbajardsilogic@0:     for (Clipboard::PointList::const_iterator i = points.begin();
lbajardsilogic@0:          i != points.end(); ++i) {
lbajardsilogic@0:         if (i->haveValue()) {
lbajardsilogic@0:             if (i->getValue() < valueMin) valueMin = i->getValue();
lbajardsilogic@0:             if (i->getValue() > valueMax) valueMax = i->getValue();
lbajardsilogic@0:         }
lbajardsilogic@0:     }
lbajardsilogic@0:     if (valueMax < valueMin + 1.0) valueMax = valueMin + 1.0;
lbajardsilogic@0: 
lbajardsilogic@0:     for (Clipboard::PointList::const_iterator i = points.begin();
lbajardsilogic@0:          i != points.end(); ++i) {
lbajardsilogic@0:         
lbajardsilogic@0:         if (!i->haveFrame()) continue;
lbajardsilogic@0:         size_t frame = 0;
lbajardsilogic@0:         if (frameOffset > 0 || -frameOffset < i->getFrame()) {
lbajardsilogic@0:             frame = i->getFrame() + frameOffset;
lbajardsilogic@0:         }
lbajardsilogic@0:         TextModel::Point newPoint(frame);
lbajardsilogic@0: 
lbajardsilogic@0:         if (i->haveValue()) {
lbajardsilogic@0:             newPoint.height = (i->getValue() - valueMin) / (valueMax - valueMin);
lbajardsilogic@0:         } else {
lbajardsilogic@0:             newPoint.height = 0.5;
lbajardsilogic@0:         }
lbajardsilogic@0: 
lbajardsilogic@0:         if (i->haveLabel()) {
lbajardsilogic@0:             newPoint.label = i->getLabel();
lbajardsilogic@0:         } else if (i->haveValue()) {
lbajardsilogic@0:             newPoint.label = QString("%1").arg(i->getValue());
lbajardsilogic@0:         } else {
lbajardsilogic@0:             newPoint.label = tr("New Point");
lbajardsilogic@0:         }
lbajardsilogic@0:         
lbajardsilogic@0:         command->addPoint(newPoint);
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     command->finish();
lbajardsilogic@0:     return true;
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: QString
lbajardsilogic@0: TextLayer::toXmlString(QString indent, QString extraAttributes) const
lbajardsilogic@0: {
lbajardsilogic@0:     return Layer::toXmlString(indent, extraAttributes +
lbajardsilogic@0: 			      QString(" colour=\"%1\"")
lbajardsilogic@0: 			      .arg(encodeColour(m_colour)));
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@18: QString
lbajardsilogic@18: TextLayer::toEasaierXmlString(QString indent, QString extraAttributes) const
lbajardsilogic@18: {
lbajardsilogic@18:     return Layer::toEasaierXmlString(indent, extraAttributes +
lbajardsilogic@18: 			      QString(" colour=\"%1\"")
lbajardsilogic@18: 			      .arg(encodeColour(m_colour)));
lbajardsilogic@18: }
lbajardsilogic@18: 
lbajardsilogic@0: void
lbajardsilogic@0: TextLayer::setProperties(const QXmlAttributes &attributes)
lbajardsilogic@0: {
lbajardsilogic@0:     QString colourSpec = attributes.value("colour");
lbajardsilogic@0:     if (colourSpec != "") {
lbajardsilogic@0: 	QColor colour(colourSpec);
lbajardsilogic@0: 	if (colour.isValid()) {
lbajardsilogic@0: 	    setBaseColour(QColor(colourSpec));
lbajardsilogic@0: 	}
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0: