From 79442c9e30b92e048e0a8ce78b74915b5d8b5881 Mon Sep 17 00:00:00 2001
From: Giovanni Gherdovich <ggherdov@brentaal.inria.fr>
Date: Mon, 20 Sep 2010 19:20:23 +0200
Subject: [PATCH 1/1] syntax highlighting to XML, the HTML way

---
 sface/rspecwindow.py | 51 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 48 insertions(+), 3 deletions(-)

diff --git a/sface/rspecwindow.py b/sface/rspecwindow.py
index 17bef6a..da70b1c 100644
--- a/sface/rspecwindow.py
+++ b/sface/rspecwindow.py
@@ -61,7 +61,8 @@ class DomModel(QAbstractItemModel):
                 break
         self.rootItem = DomItem(document, 0);
 
-    def data(self, index, role):
+    def data(self, index, role = Qt.DisplayRole):
+        # sometimes it return a QString, sometimes a QVariant. not good.
         if not index.isValid():
             return QVariant()
         if role != Qt.DisplayRole:
@@ -75,9 +76,9 @@ class DomModel(QAbstractItemModel):
                 qslist = QStringList()
                 for i in range(attributeMap.count()):
                     attr = attributeMap.item(i)
-                    elem = '%s="%s"' % (attr.nodeName(), attr.nodeValue())
+                    elem = ' <b>%s</b>="<font color="#1e90ff">%s</font>"' % (attr.nodeName(), attr.nodeValue())
                     qslist.append(elem)
-                return QString("<%s %s>" % (node.nodeName(), qslist.join(' ')))
+                return QString('&lt;<b><font color="#b42be2">%s</font></b>%s&gt;'% (node.nodeName(), qslist.join(' ')))
             elif node.nodeType() == QDomNode.AttributeNode:
                 return QString('Whozat?!')
             elif node.nodeType() == QDomNode.TextNode:
@@ -195,6 +196,8 @@ class RSpecWindow(QDialog):
         self.model = None
 
         self.view = RSpecView(self)
+        self.delegate = RSpecDelegate(self)
+        self.view.setItemDelegate(self.delegate)
         layout = QVBoxLayout()
         layout.addWidget(self.view)
         self.setLayout(layout)
@@ -226,3 +229,45 @@ class RSpecWindow(QDialog):
         self.view.expand(self.model.index(0, 0)) #expand first level only
 
 
+class RSpecDelegate(QAbstractItemDelegate):
+    
+    def __init__(self, parent=None):
+        print "init-ing the delegate"
+        QAbstractItemDelegate.__init__(self, parent)
+
+    def paint(self, painter, option, index):
+        text = index.model().data(index)
+        palette = QApplication.palette()
+        document = QTextDocument()
+        document.setDefaultFont(option.font)
+        if option.state & QStyle.State_Selected:
+            rx = QRegExp(QString('<font .*>'))
+            rx.setMinimal(True)
+            # If selected, I remove the <font color="..."> by hand,
+            # and give the highlight color
+            document.setHtml(QString("<font color=%1>%2</font>") \
+                                 .arg(palette.highlightedText().color().name())\
+                                 .arg(text.replace(rx, QString('')).
+                                      replace(QString('</font>'),QString(''))))
+        else:
+            document.setHtml(text)
+        color = palette.highlight().color() \
+            if option.state & QStyle.State_Selected \
+            else palette.base().color()
+        painter.save()
+        # voodoo: if not highlighted, filling the rect
+        # with the base color makes no difference
+        painter.fillRect(option.rect, color)
+        painter.translate(option.rect.x(), option.rect.y())
+        document.drawContents(painter)
+        painter.restore()
+
+    def sizeHint(self, option, index):
+        fm = option.fontMetrics
+        text = index.model().data(index)
+        document = QTextDocument()
+        document.setDefaultFont(option.font)
+        document.setHtml(text)
+        # the +5 is for margin. The +4 is voodoo;
+        # fm.height just give it too small.
+        return QSize(document.idealWidth() + 5, fm.height() + 4)
-- 
2.43.0