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new HTMLDelegate class to display content as HTML in QTreeWidget and QListWidget

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This commit is contained in:
Romain Bignon 2010-07-05 12:03:47 +02:00
commit 900a62ffea
2 changed files with 43 additions and 4 deletions
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2
weboob/tools/application/qt/__init__.py
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@ -1 +1 @@
from .qt import QtApplication, QtMainWindow, QtDo from .qt import QtApplication, QtMainWindow, QtDo, HTMLDelegate

45
weboob/tools/application/qt/qt.py
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@ -16,15 +16,17 @@
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
import sys import sys
from PyQt4.QtCore import QTimer, SIGNAL, QObject from PyQt4.QtCore import QTimer, SIGNAL, QObject, QString, QSize
from PyQt4.QtGui import QMainWindow, QApplication from PyQt4.QtGui import QMainWindow, QApplication, QStyledItemDelegate, \
QStyleOptionViewItemV4, QTextDocument, QStyle, \
QAbstractTextDocumentLayout, QPalette
from weboob import Weboob from weboob import Weboob
from weboob.scheduler import IScheduler from weboob.scheduler import IScheduler
from ..base import BaseApplication from ..base import BaseApplication
__all__ = ['QtApplication', 'QtMainWindow', 'QtDo'] __all__ = ['QtApplication', 'QtMainWindow', 'QtDo', 'HTMLDelegate']
class QtScheduler(IScheduler): class QtScheduler(IScheduler):
def __init__(self, app): def __init__(self, app):
@ -124,3 +126,40 @@ class QtDo(QObject):
def thread_eb(self, backend, error, backtrace): def thread_eb(self, backend, error, backtrace):
self.emit(SIGNAL('eb'), backend, error, backtrace) self.emit(SIGNAL('eb'), backend, error, backtrace)
class HTMLDelegate(QStyledItemDelegate):
def paint(self, painter, option, index):
optionV4 = QStyleOptionViewItemV4(option)
self.initStyleOption(optionV4, index)
style = optionV4.widget.style() if optionV4.widget else QApplication.style()
doc = QTextDocument()
doc.setHtml(optionV4.text)
# painting item without text
optionV4.text = QString()
style.drawControl(QStyle.CE_ItemViewItem, optionV4, painter)
ctx = QAbstractTextDocumentLayout.PaintContext()
# Hilight text if item is selected
if optionV4.state & QStyle.State_Selected:
ctx.palette.setColor(QPalette.Text, optionV4.palette.color(QPalette.Active, QPalette.HighlightedText))
textRect = style.subElementRect(QStyle.SE_ItemViewItemText, optionV4)
painter.save()
painter.translate(textRect.topLeft())
painter.setClipRect(textRect.translated(-textRect.topLeft()))
doc.documentLayout().draw(painter, ctx)
painter.restore()
def sizeHint(self, option, index):
optionV4 = QStyleOptionViewItemV4(option)
self.initStyleOption(optionV4, index)
doc = QTextDocument()
doc.setHtml(optionV4.text)
doc.setTextWidth(optionV4.rect.width())
return QSize(doc.idealWidth(), max(doc.size().height(), optionV4.decorationSize.height()))