# HG changeset patch
# User Chris Cannam
# Date 1306331929 -3600
# Node ID b1f0fa991c49fe7f20791b0dc463bc27fe07c216
# Parent  4f3d96c1916f2328fe3d91f6707daa1a5b9a26b2
Use circle presentation for uncommitted merge as well as merge changeset

diff -r 4f3d96c1916f -r b1f0fa991c49 src/changesetitem.h
--- a/src/changesetitem.h	Wed May 25 14:48:42 2011 +0100
+++ b/src/changesetitem.h	Wed May 25 14:58:49 2011 +0100
@@ -105,8 +105,8 @@
     static QImage *m_star;
 
     bool isMerge() const;
-    virtual void paintNormal(QPainter *);
-    virtual void paintMerge(QPainter *);
+    void paintNormal(QPainter *);
+    void paintMerge(QPainter *);
 };
 
 #endif // CHANGESETITEM_H
diff -r 4f3d96c1916f -r b1f0fa991c49 src/grapher.cpp
--- a/src/grapher.cpp	Wed May 25 14:48:42 2011 +0100
+++ b/src/grapher.cpp	Wed May 25 14:58:49 2011 +0100
@@ -464,6 +464,9 @@
         // tell it it has a new branch (the "show branch" flag is set
         // elsewhere for this item)
         m_uncommitted->setIsNewBranch(!haveParentOnBranch);
+
+        // Uncommitted is a merge if it has more than one parent
+        m_uncommitted->setIsMerge(m_uncommittedParents.size() > 1);
     }
 
     // Add the branch labels
diff -r 4f3d96c1916f -r b1f0fa991c49 src/uncommitteditem.cpp
--- a/src/uncommitteditem.cpp	Wed May 25 14:48:42 2011 +0100
+++ b/src/uncommitteditem.cpp	Wed May 25 14:58:49 2011 +0100
@@ -29,7 +29,7 @@
 #include <QWidgetAction>
 
 UncommittedItem::UncommittedItem() :
-    m_showBranch(false), m_isNewBranch(false),
+    m_showBranch(false), m_isNewBranch(false), m_isMerge(false),
     m_column(0), m_row(0), m_wide(false)
 {
     m_font = QFont();
@@ -70,7 +70,10 @@
 UncommittedItem::activateMenu()
 {
     QMenu *menu = new QMenu;
-    QLabel *label = new QLabel(tr("<qt><b>&nbsp;Uncommitted changes</b></qt>"));
+    QLabel *label = new QLabel
+        (m_isMerge ?
+         tr("<qt><b>&nbsp;Uncommitted merge</b></qt>") :
+         tr("<qt><b>&nbsp;Uncommitted changes</b></qt>"));
     QWidgetAction *wa = new QWidgetAction(menu);
     wa->setDefaultWidget(label);
     menu->addAction(wa);
@@ -102,8 +105,17 @@
 }
 
 void
-UncommittedItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *option,
-		       QWidget *w)
+UncommittedItem::paint(QPainter *paint, const QStyleOptionGraphicsItem *, QWidget *)
+{
+    if (isMerge()) {
+        paintMerge(paint);
+    } else {
+        paintNormal(paint);
+    }
+}
+
+void
+UncommittedItem::paintNormal(QPainter *paint)
 {
     paint->save();
     
@@ -168,3 +180,66 @@
     paint->restore();
     return;
 }
+
+void
+UncommittedItem::paintMerge(QPainter *paint)
+{
+    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 size = fh * 2;
+    int x0 = -size/2 + 25;
+
+    paint->setBrush(Qt::white);
+    paint->drawEllipse(QRectF(x0, fh, size, size));
+    
+    if (m_wide) {
+        QString label = tr("Uncommitted merge");
+        paint->drawText(size/2 + 28,
+                        25 - fm.height()/2 + fm.ascent(),
+                        label);
+    } else {
+        QString label = tr("Uncommitted");
+        paint->drawText(size/2 + 28,
+                        25 - fm.height() + fm.ascent(),
+                        label);
+        label = tr("merge");
+        paint->drawText(size/2 + 28,
+                        25 + fm.ascent(),
+                        label);
+    }        
+
+    if (m_showBranch && m_branch != "") {
+        // write branch name
+        f.setBold(true);
+        paint->setFont(f);
+	int wid = size * 3;
+	QString branch = TextAbbrev::abbreviate(m_branch, QFontMetrics(f), wid);
+	paint->drawText(-wid/2 + 25, fm.ascent() - 4, branch);
+    }
+
+    paint->restore();
+    return;
+}
diff -r 4f3d96c1916f -r b1f0fa991c49 src/uncommitteditem.h
--- a/src/uncommitteditem.h	Wed May 25 14:48:42 2011 +0100
+++ b/src/uncommitteditem.h	Wed May 25 14:58:49 2011 +0100
@@ -39,6 +39,9 @@
 
     bool isNewBranch() const { return m_isNewBranch; }
     void setIsNewBranch(bool s) { m_isNewBranch = s; }
+
+    bool isMerge() const { return m_isMerge; }
+    void setIsMerge(bool m) { m_isMerge = m; }
     
     int column() const { return m_column; }
     int row() const { return m_row; }
@@ -67,10 +70,14 @@
     QString m_branch;
     bool m_showBranch;
     bool m_isNewBranch;
+    bool m_isMerge;
     QFont m_font;
     int m_column;
     int m_row;
     bool m_wide;
+
+    void paintNormal(QPainter *);
+    void paintMerge(QPainter *);
 };
 
 #endif // UNCOMMITTEDITEM_H