Chris@117: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@117: 
Chris@117: /*
Chris@117:     EasyMercurial
Chris@117: 
Chris@117:     Based on HgExplorer by Jari Korhonen
Chris@117:     Copyright (c) 2010 Jari Korhonen
Chris@244:     Copyright (c) 2011 Chris Cannam
Chris@244:     Copyright (c) 2011 Queen Mary, University of London
Chris@117:     
Chris@117:     This program is free software; you can redistribute it and/or
Chris@117:     modify it under the terms of the GNU General Public License as
Chris@117:     published by the Free Software Foundation; either version 2 of the
Chris@117:     License, or (at your option) any later version.  See the file
Chris@117:     COPYING included with this distribution for more information.
Chris@117: */
Chris@117: 
Chris@117: #include "changesetdetailitem.h"
Chris@117: #include "changeset.h"
Chris@117: #include "textabbrev.h"
Chris@117: #include "colourset.h"
Chris@117: #include "debug.h"
Chris@118: #include "common.h"
Chris@117: 
Chris@118: #include <QTextDocument>
Chris@117: #include <QPainter>
Chris@117: 
Chris@117: ChangesetDetailItem::ChangesetDetailItem(Changeset *cs) :
Chris@118:     m_changeset(cs), m_doc(0)
Chris@117: {
Chris@117:     m_font = QFont();
Chris@117:     m_font.setPixelSize(11);
Chris@117:     m_font.setBold(false);
Chris@117:     m_font.setItalic(false);
Chris@118: 
Chris@118:     makeDocument();
Chris@118: }
Chris@118: 
Chris@118: ChangesetDetailItem::~ChangesetDetailItem()
Chris@118: {
Chris@118:     delete m_doc;
Chris@117: }
Chris@117: 
Chris@117: QRectF
Chris@117: ChangesetDetailItem::boundingRect() const
Chris@117: {
Chris@118:     int w = 350;
Chris@118:     m_doc->setTextWidth(w);
Chris@124:     return QRectF(-10, -10, w + 10, m_doc->size().height() + 10);
Chris@117: }
Chris@117: 
Chris@117: void
Chris@117: ChangesetDetailItem::paint(QPainter *paint,
Chris@117: 			   const QStyleOptionGraphicsItem *option,
Chris@117: 			   QWidget *w)
Chris@117: {
Chris@117:     paint->save();
Chris@117:     
Chris@117:     ColourSet *colourSet = ColourSet::instance();
Chris@117:     QColor branchColour = colourSet->getColourFor(m_changeset->branch());
Chris@128:     QColor userColour = colourSet->getColourFor(m_changeset->author());
Chris@117: 
Chris@117:     QFont f(m_font);
Chris@117: 
Chris@117:     QTransform t = paint->worldTransform();
Chris@117:     float scale = std::min(t.m11(), t.m22());
Chris@117:     if (scale > 1.0) {
Chris@117: 	int ps = int((f.pixelSize() / scale) + 0.5);
Chris@117: 	if (ps < 8) ps = 8;
Chris@117: 	f.setPixelSize(ps);
Chris@117:     }
Chris@117: 
Chris@117:     if (scale < 0.1) {
Chris@117: 	paint->setPen(QPen(branchColour, 0));
Chris@117:     } else {
Chris@117: 	paint->setPen(QPen(branchColour, 2));
Chris@117:     }
Chris@117: 
Chris@117:     paint->setFont(f);
Chris@117:     QFontMetrics fm(f);
Chris@117:     int fh = fm.height();
Chris@117: 
Chris@117:     int width = 350;
Chris@118:     m_doc->setTextWidth(width);
Chris@118:     int height = m_doc->size().height();
Chris@117: 
Chris@117:     QRectF r(0.5, 0.5, width - 1, height - 1);
Chris@117:     paint->setBrush(Qt::white);
Chris@117:     paint->drawRect(r);
Chris@117: 
Chris@117:     if (scale < 0.1) {
Chris@117: 	paint->restore();
Chris@117: 	return;
Chris@117:     }
Chris@118: 
Chris@124:     // little triangle connecting to its "owning" changeset item
Chris@124:     paint->setBrush(branchColour);
Chris@124:     QVector<QPointF> pts;
Chris@124:     pts.push_back(QPointF(0, height/3 - 5));
Chris@124:     pts.push_back(QPointF(0, height/3 + 5));
Chris@124:     pts.push_back(QPointF(-10, height/3));
Chris@124:     pts.push_back(QPointF(0, height/3 - 5));
Chris@124:     paint->drawPolygon(QPolygonF(pts));
Chris@124: 
Chris@124: /*
Chris@118:     paint->setBrush(branchColour);
Chris@118:     QVector<QPointF> pts;
Chris@118:     pts.push_back(QPointF(width/2 - 5, 0));
Chris@118:     pts.push_back(QPointF(width/2 + 5, 0));
Chris@118:     pts.push_back(QPointF(width/2, -10));
Chris@118:     pts.push_back(QPointF(width/2 - 5, 0));
Chris@118:     paint->drawPolygon(QPolygonF(pts));
Chris@124: */
Chris@118:     m_doc->drawContents(paint, r);
Chris@118: 
Chris@117:     paint->restore();
Chris@117: }
Chris@118: 
Chris@118: void
Chris@118: ChangesetDetailItem::makeDocument()
Chris@118: {
Chris@118:     delete m_doc;
Chris@118:     m_doc = new QTextDocument;
Chris@125:     m_doc->setHtml(m_changeset->formatHtml());
Chris@118: }
Chris@118: