diff uncommitteditem.cpp @ 129:4986642800f0

* Initial work on showing uncommitted changes (as dashed box) in history graph

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uncommitteditem.cpp	Mon Nov 29 20:53:34 2010 +0000
@@ -0,0 +1,85 @@
+/* -*- 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 "uncommitteditem.h"
+#include "colourset.h"
+#include "debug.h"
+
+#include <QPainter>
+#include <QGraphicsScene>
+
+UncommittedItem::UncommittedItem() :
+    m_column(0), m_row(0), m_wide(false)
+{
+    m_font = QFont();
+    m_font.setPixelSize(11);
+    m_font.setBold(false);
+    m_font.setItalic(false);
+}
+
+QRectF
+UncommittedItem::boundingRect() const
+{
+    //!!! this stuff is gross, refactor with changesetitem
+    int w = 100;
+    if (m_wide) w = 180;
+    return QRectF(-((w-50)/2 - 1), -30, w - 3, 79);
+}
+
+void
+UncommittedItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *option,
+		       QWidget *w)
+{
+    paint->save();
+    
+    ColourSet *colourSet = ColourSet::instance();
+    QColor branchColour = colourSet->getColourFor(m_branch);
+
+    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, Qt::DashLine));
+    } else {
+	paint->setPen(QPen(branchColour, 2, Qt::DashLine));
+    }
+	
+    paint->setFont(f);
+    QFontMetrics fm(f);
+    int fh = fm.height();
+
+    int width = 100;
+    if (m_wide) width = 180;
+    int x0 = -((width - 50) / 2 - 1);
+
+    int height = 49;
+    QRectF r(x0, 0, width - 3, height);
+    paint->drawRect(r);
+
+    QString label = tr("Uncommitted changes");
+    paint->drawText(-(fm.width(label) - 50)/2, 25 - fm.height()/2 + fm.ascent(), label);
+
+    paint->restore();
+    return;
+}