Chris@57: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@57: 
Chris@57: /*
Chris@57:     EasyMercurial
Chris@57: 
Chris@57:     Based on HgExplorer by Jari Korhonen
Chris@57:     Copyright (c) 2010 Jari Korhonen
Chris@57:     Copyright (c) 2010 Chris Cannam
Chris@57:     Copyright (c) 2010 Queen Mary, University of London
Chris@57:     
Chris@57:     This program is free software; you can redistribute it and/or
Chris@57:     modify it under the terms of the GNU General Public License as
Chris@57:     published by the Free Software Foundation; either version 2 of the
Chris@57:     License, or (at your option) any later version.  See the file
Chris@57:     COPYING included with this distribution for more information.
Chris@57: */
Chris@57: 
Chris@43: #include "changesetitem.h"
Chris@117: #include "changesetdetailitem.h"
Chris@43: #include "changeset.h"
Chris@53: #include "textabbrev.h"
Chris@53: #include "colourset.h"
Chris@117: #include "debug.h"
Chris@43: 
Chris@43: #include <QPainter>
Chris@117: #include <QGraphicsScene>
Chris@43: 
Chris@53: ChangesetItem::ChangesetItem(Changeset *cs) :
Chris@117:     m_changeset(cs), m_detail(0),
Chris@128:     m_showBranch(false), m_column(0), m_row(0), m_wide(false), m_current(false)
Chris@53: {
Chris@53:     m_font = QFont();
Chris@53:     m_font.setPixelSize(11);
Chris@53:     m_font.setBold(false);
Chris@53:     m_font.setItalic(false);
Chris@53: }
Chris@53: 
Chris@43: QRectF
Chris@43: ChangesetItem::boundingRect() const
Chris@43: {
Chris@55:     int w = 100;
Chris@55:     if (m_wide) w = 180;
Chris@55:     return QRectF(-((w-50)/2 - 1), -30, w - 3, 79);
Chris@43: }
Chris@43: 
Chris@43: void
Chris@119: ChangesetItem::showDetail()
Chris@117: {
Chris@119:     if (m_detail) return;
Chris@117:     m_detail = new ChangesetDetailItem(m_changeset);
Chris@117:     m_detail->setZValue(zValue() + 1);
Chris@117:     scene()->addItem(m_detail);
Chris@117:     int w = 100;
Chris@117:     if (m_wide) w = 180;
Chris@124:     int h = 80;
Chris@124: //    m_detail->moveBy(x() - (m_detail->boundingRect().width() - 50) / 2,
Chris@124: //                     y() + 60);
Chris@124:     m_detail->moveBy(x() + (w + 50) / 2 + 10 + 0.5,
Chris@124:                      y() - (m_detail->boundingRect().height() - h) / 2 + 0.5);
Chris@119:     emit detailShown();
Chris@119: }    
Chris@119: 
Chris@119: void
Chris@119: ChangesetItem::hideDetail()
Chris@119: {
Chris@124:     if (!m_detail) return;
Chris@124:     scene()->removeItem(m_detail);
Chris@119:     delete m_detail;
Chris@119:     m_detail = 0;
Chris@119:     emit detailHidden();
Chris@119: }    
Chris@119: 
Chris@119: void
Chris@119: ChangesetItem::mousePressEvent(QGraphicsSceneMouseEvent *e)
Chris@119: {
Chris@119:     DEBUG << "ChangesetItem::mousePressEvent" << endl;
Chris@119:     if (m_detail) {
Chris@119:         hideDetail();
Chris@119:     } else {
Chris@119:         showDetail();
Chris@119:     }
Chris@117: }
Chris@117: 
Chris@117: void
Chris@43: ChangesetItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *option,
Chris@43:                      QWidget *w)
Chris@43: {
Chris@53:     paint->save();
Chris@53:     
Chris@53:     ColourSet *colourSet = ColourSet::instance();
Chris@53:     QColor branchColour = colourSet->getColourFor(m_changeset->branch());
Chris@128:     QColor userColour = colourSet->getColourFor(m_changeset->author());
Chris@53: 
Chris@53:     QFont f(m_font);
Chris@53: 
Chris@54:     QTransform t = paint->worldTransform();
Chris@53:     float scale = std::min(t.m11(), t.m22());
Chris@53:     if (scale > 1.0) {
Chris@53: 	int ps = int((f.pixelSize() / scale) + 0.5);
Chris@53: 	if (ps < 8) ps = 8;
Chris@53: 	f.setPixelSize(ps);
Chris@53:     }
Chris@54: 
Chris@54:     if (scale < 0.1) {
Chris@54: 	paint->setPen(QPen(branchColour, 0));
Chris@54:     } else {
Chris@54: 	paint->setPen(QPen(branchColour, 2));
Chris@54:     }
Chris@53: 	
Chris@53:     paint->setFont(f);
Chris@53:     QFontMetrics fm(f);
Chris@53:     int fh = fm.height();
Chris@55: 
Chris@55:     int width = 100;
Chris@55:     if (m_wide) width = 180;
Chris@55:     int x0 = -((width - 50) / 2 - 1);
Chris@55: 
Chris@56:     int height = 49;
Chris@56:     QRectF r(x0, 0, width - 3, height);
Chris@53:     paint->drawRect(r);
Chris@53: 
Chris@128:     if (m_current) {
Chris@128:         paint->drawRect(QRectF(x0 - 4, -4, width + 5, height + 8));
Chris@128:     }
Chris@128: 
Chris@53:     if (scale < 0.1) {
Chris@53: 	paint->restore();
Chris@53: 	return;
Chris@53:     }
Chris@53: 
Chris@55:     paint->fillRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5),
Chris@55: 		    QBrush(userColour));
Chris@53: 
Chris@53:     paint->setPen(QPen(Qt::white));
Chris@53: 
Chris@55:     int wid = width - 5;
Chris@128:     QString person = TextAbbrev::abbreviate(m_changeset->authorName(), fm, wid);
Chris@55:     paint->drawText(x0 + 3, fm.ascent(), person);
Chris@53: 
Chris@53:     paint->setPen(QPen(Qt::black));
Chris@53: 
Chris@128:     QString tags = m_changeset->tags().join(" ").trimmed();
Chris@128:     if (tags != "") {
Chris@128:         int tw = fm.width(tags);
Chris@128:         paint->fillRect(QRectF(x0 + width - 8 - tw, 1, tw + 4, fh - 1),
Chris@128:                         QBrush(Qt::yellow));
Chris@128:         paint->drawText(x0 + width - 6 - tw, fm.ascent(), tags);
Chris@128:     }
Chris@128: 
Chris@74:     if (m_showBranch) {
Chris@56: 	// write branch name
Chris@56: 	f.setBold(true);
Chris@56: 	paint->setFont(f);
Chris@56: 	QString branch = m_changeset->branch();
Chris@74:         if (branch == "") branch = "default";
Chris@56: 	int wid = width - 3;
Chris@56: 	branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid);
Chris@56: 	paint->drawText(x0, -fh + fm.ascent() - 4, branch);
Chris@56: 	f.setBold(false);
Chris@56:     }
Chris@56: 
Chris@56: //    f.setItalic(true);
Chris@53:     fm = QFontMetrics(f);
Chris@53:     fh = fm.height();
Chris@53:     paint->setFont(f);
Chris@53: 
Chris@53:     QString comment = m_changeset->comment().trimmed();
Chris@66:     comment = comment.replace("\\n", " ");
Chris@53:     comment = comment.replace(QRegExp("^\"\\s*\\**\\s*"), "");
Chris@53:     comment = comment.replace(QRegExp("\"$"), "");
Chris@53:     comment = comment.replace("\\\"", "\"");
Chris@53: 
Chris@55:     wid = width - 5;
Chris@56:     int nlines = (height / fh) - 1;
Chris@56:     if (nlines < 1) nlines = 1;
Chris@53:     comment = TextAbbrev::abbreviate(comment, fm, wid, TextAbbrev::ElideEnd,
Chris@56: 				     "...", nlines);
Chris@53: 
Chris@53:     QStringList lines = comment.split('\n');
Chris@53:     for (int i = 0; i < lines.size(); ++i) {
Chris@55: 	paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed());
Chris@53:     }
Chris@53: 
Chris@53:     paint->restore();
Chris@43: }