diff changesetdetailitem.cpp @ 117:d5db15bf250c

* Start to sketch thing that shows the details of a changeset in the history view

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/changesetdetailitem.cpp	Fri Nov 26 22:46:29 2010 +0000
@@ -0,0 +1,130 @@
+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    EasyMercurial
+
+    Based on HgExplorer by Jari Korhonen
+    Copyright (c) 2010 Jari Korhonen
+    Copyright (c) 2010 Chris Cannam
+    Copyright (c) 2010 Queen Mary, University of London
+    
+    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 "changesetdetailitem.h"
+#include "changeset.h"
+#include "textabbrev.h"
+#include "colourset.h"
+#include "debug.h"
+
+#include <QPainter>
+
+ChangesetDetailItem::ChangesetDetailItem(Changeset *cs) :
+    m_changeset(cs)
+{
+    m_font = QFont();
+    m_font.setPixelSize(11);
+    m_font.setBold(false);
+    m_font.setItalic(false);
+}
+
+QRectF
+ChangesetDetailItem::boundingRect() const
+{
+    return QRectF(0, 0, 350, 200);
+}
+
+void
+ChangesetDetailItem::paint(QPainter *paint,
+			   const QStyleOptionGraphicsItem *option,
+			   QWidget *w)
+{
+    paint->save();
+    
+    ColourSet *colourSet = ColourSet::instance();
+    QColor branchColour = colourSet->getColourFor(m_changeset->branch());
+    QColor userColour = colourSet->getColourFor(m_changeset->author());
+
+    QFont f(m_font);
+
+    QTransform t = paint->worldTransform();
+    float scale = std::min(t.m11(), t.m22());
+    if (scale > 1.0) {
+	int ps = int((f.pixelSize() / scale) + 0.5);
+	if (ps < 8) ps = 8;
+	f.setPixelSize(ps);
+    }
+
+    if (scale < 0.1) {
+	paint->setPen(QPen(branchColour, 0));
+    } else {
+	paint->setPen(QPen(branchColour, 2));
+    }
+
+    paint->setFont(f);
+    QFontMetrics fm(f);
+    int fh = fm.height();
+
+    int width = 350;
+    int height = 200;
+
+    QRectF r(0.5, 0.5, width - 1, height - 1);
+    paint->setBrush(Qt::white);
+    paint->drawRect(r);
+
+    if (scale < 0.1) {
+	paint->restore();
+	return;
+    }
+/*
+    paint->fillRect(QRectF(x0 + 0.5, 0.5, width - 4, fh - 0.5),
+		    QBrush(userColour));
+
+    paint->setPen(QPen(Qt::white));
+
+    int wid = width - 5;
+    QString person = TextAbbrev::abbreviate(m_changeset->authorName(), fm, wid);
+    paint->drawText(x0 + 3, fm.ascent(), person);
+
+    paint->setPen(QPen(Qt::black));
+
+    if (m_showBranch) {
+	// write branch name
+	f.setBold(true);
+	paint->setFont(f);
+	QString branch = m_changeset->branch();
+        if (branch == "") branch = "default";
+	int wid = width - 3;
+	branch = TextAbbrev::abbreviate(branch, QFontMetrics(f), wid);
+	paint->drawText(x0, -fh + fm.ascent() - 4, branch);
+	f.setBold(false);
+    }
+
+//    f.setItalic(true);
+    fm = QFontMetrics(f);
+    fh = fm.height();
+    paint->setFont(f);
+
+    QString comment = m_changeset->comment().trimmed();
+    comment = comment.replace("\\n", " ");
+    comment = comment.replace(QRegExp("^\"\\s*\\**\\s*"), "");
+    comment = comment.replace(QRegExp("\"$"), "");
+    comment = comment.replace("\\\"", "\"");
+
+    wid = width - 5;
+    int nlines = (height / fh) - 1;
+    if (nlines < 1) nlines = 1;
+    comment = TextAbbrev::abbreviate(comment, fm, wid, TextAbbrev::ElideEnd,
+				     "...", nlines);
+
+    QStringList lines = comment.split('\n');
+    for (int i = 0; i < lines.size(); ++i) {
+	paint->drawText(x0 + 3, i * fh + fh + fm.ascent(), lines[i].trimmed());
+    }
+    */
+    paint->restore();
+}