# HG changeset patch
# User Chris Cannam
# Date 1336754673 -3600
# Node ID 641ccce7c7717561195c826d6e076bf3fffbafa5
# Parent  538b6ae5c272722721d8d0ac9a847594a9837cd8
Avoid messing with font size when zooming, let it zoom naturally; don't delete detail item when removing it, just let it wait to be shown again (and do delete it when deleting main item)

diff -r 538b6ae5c272 -r 641ccce7c771 src/changesetdetailitem.cpp
--- a/src/changesetdetailitem.cpp	Tue Apr 24 16:56:29 2012 +0100
+++ b/src/changesetdetailitem.cpp	Fri May 11 17:44:33 2012 +0100
@@ -24,6 +24,7 @@
 
 #include <QTextDocument>
 #include <QPainter>
+#include <QAbstractTextDocumentLayout>
 
 ChangesetDetailItem::ChangesetDetailItem(Changeset *cs) :
     m_changeset(cs), m_doc(0)
@@ -73,26 +74,15 @@
     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;
     m_doc->setTextWidth(width);
     int height = m_doc->size().height();
@@ -135,5 +125,6 @@
     delete m_doc;
     m_doc = new QTextDocument;
     m_doc->setHtml(m_changeset->formatHtml());
+    m_doc->setDefaultFont(m_font);
 }
 
diff -r 538b6ae5c272 -r 641ccce7c771 src/changesetitem.cpp
--- a/src/changesetitem.cpp	Tue Apr 24 16:56:29 2012 +0100
+++ b/src/changesetitem.cpp	Fri May 11 17:44:33 2012 +0100
@@ -36,7 +36,7 @@
 QImage *ChangesetItem::m_star = 0;
 
 ChangesetItem::ChangesetItem(Changeset *cs) :
-    m_changeset(cs), m_detail(0),
+    m_changeset(cs), m_detail(0), m_detailVisible(false),
     m_showBranch(false), m_column(0), m_row(0), m_wide(false),
     m_current(false), m_closing(false), m_new(false), m_searchMatches(false)
 {
@@ -49,6 +49,11 @@
     if (!m_star) m_star = new QImage(":images/star.png");
 }
 
+ChangesetItem::~ChangesetItem()
+{
+    if (m_detail && !m_detailVisible) delete m_detail;
+}
+
 QString
 ChangesetItem::getId()
 {
@@ -66,28 +71,28 @@
 void
 ChangesetItem::showDetail()
 {
-    if (m_detail) return;
-    m_detail = new ChangesetDetailItem(m_changeset);
-    m_detail->setZValue(zValue() + 1);
+    if (m_detailVisible) return;
+    if (!m_detail) {
+        m_detail = new ChangesetDetailItem(m_changeset);
+        m_detail->setZValue(zValue() + 1);
+    }
     scene()->addItem(m_detail);
     int w = 100;
     if (m_wide) w = 180;
     if (isMerge() || isClosingCommit()) w = 60;
     int h = 80;
-//    m_detail->moveBy(x() - (m_detail->boundingRect().width() - 50) / 2,
-//                     y() + 60);
-    m_detail->moveBy(x() + (w + 50) / 2 + 10 + 0.5,
+    m_detail->setPos(x() + (w + 50) / 2 + 10 + 0.5,
                      y() - (m_detail->boundingRect().height() - h) / 3 + 0.5);
+    m_detailVisible = true;
     emit detailShown();
 }    
 
 void
 ChangesetItem::hideDetail()
 {
-    if (!m_detail) return;
+    if (!m_detailVisible) return;
     scene()->removeItem(m_detail);
-    delete m_detail;
-    m_detail = 0;
+    m_detailVisible = false;
     emit detailHidden();
 }    
 
@@ -112,7 +117,7 @@
 {
     DEBUG << "ChangesetItem::mousePressEvent" << endl;
     if (e->button() == Qt::LeftButton) {
-        if (m_detail) {
+        if (m_detailVisible) {
             hideDetail();
         } else {
             showDetail();
@@ -303,11 +308,6 @@
 
     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);
-    }
 
     bool showText = (scale >= 0.2);
     bool showProperLines = (scale >= 0.1);
diff -r 538b6ae5c272 -r 641ccce7c771 src/changesetitem.h
--- a/src/changesetitem.h	Tue Apr 24 16:56:29 2012 +0100
+++ b/src/changesetitem.h	Fri May 11 17:44:33 2012 +0100
@@ -33,6 +33,7 @@
 
 public:
     ChangesetItem(Changeset *cs);
+    ~ChangesetItem();
 
     virtual QRectF boundingRect() const;
     virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
@@ -105,6 +106,7 @@
     QFont m_font;
     Changeset *m_changeset;
     ChangesetDetailItem *m_detail;
+    bool m_detailVisible;
     bool m_showBranch;
     int m_column;
     int m_row;