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src/calibre/gui2/metadata/single_download.py

@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+from __future__ import (unicode_literals, division, absolute_import,
+                        print_function)
+
+__license__   = 'GPL v3'
+__copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
+__docformat__ = 'restructuredtext en'
+
+from PyQt4.Qt import (QStyledItemDelegate, QTextDocument, QRectF,
+        QStyle, QApplication)
+
+class RichTextDelegate(QStyledItemDelegate): # {{{
+
+    def __init__(self, parent=None):
+        QStyledItemDelegate.__init__(self, parent)
+
+    def to_doc(self, index):
+        doc = QTextDocument()
+        doc.setHtml(index.data().toString())
+        return doc
+
+    def sizeHint(self, option, index):
+        ans = self.to_doc(index).size().toSize()
+        ans.setHeight(ans.height()+10)
+        return ans
+
+    def paint(self, painter, option, index):
+        painter.save()
+        painter.setClipRect(QRectF(option.rect))
+        if hasattr(QStyle, 'CE_ItemViewItem'):
+            QApplication.style().drawControl(QStyle.CE_ItemViewItem, option, painter)
+        elif option.state & QStyle.State_Selected:
+            painter.fillRect(option.rect, option.palette.highlight())
+        painter.translate(option.rect.topLeft())
+        self.to_doc(index).drawContents(painter)
+        painter.restore()
+# }}}
+