class HTMLViewer(QtGui.QWidget):
def __init__(self, parent=None):
super(HTMLViewer, self).__init__(parent)
self.view = QWebView(self)
layout = QtGui.QVBoxLayout(self)
layout.setSpacing(0)
layout.setContentsMargins(0, 0, 0, 0)
layout.addWidget(self.view)
# Create ContextMenu
context_menu = QtGui.QMenu(self.view)
def open_context_menu(point):
context_menu.exec_(self.view.mapToGlobal(point))
self.view.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.view.customContextMenuRequested.connect(open_context_menu)
action = QtGui.QAction('&Back', self,
shortcut=QtGui.QKeySequence.Back,
statusTip="Click to go back",
triggered=self.view.back)
action.setShortcut('Backspace')
context_menu.addAction(action)
action = QtGui.QAction('&Forward', self,
shortcut=QtGui.QKeySequence.Forward,
statusTip="Click to go forward",
triggered=self.view.forward)
action.setShortcut('Shift + Backspace')
context_menu.addAction(action)
action = QtGui.QAction('&Reload', self,
shortcut=QtGui.QKeySequence.Refresh,
statusTip="Click to refresh",
triggered=self.view.reload)
context_menu.addAction(action)
context_menu.addSeparator()
action = QtGui.QAction('&Print', self,
shortcut=QtGui.QKeySequence.Print,
statusTip="Click to print",
triggered=self.print_)
context_menu.addAction(action)
def contextMenuEvent(self, event):
self.context_menu.exec_(event.globalPos())
def print_(self):
printer = QtGui.QPrinter()
printer_dialog = QtGui.QPrintDialog(printer, self.view)
if printer_dialog.exec_() != QtGui.QDialog.Accepted:
# do nothing
return
# printout the view with selected printer
self.view.print_(printer)
# --- slots
@QtCore.Slot(unicode)
def update(self, value):
# save vertical/horizontal scrollbar value
m = self.view.page().mainFrame()
v = m.scrollBarValue(QtCore.Qt.Vertical)
h = m.scrollBarValue(QtCore.Qt.Horizontal)
# set new HTML (value should be unicode)
self.view.setHtml(value)
# update vertical/horizontal scrollbar value
m = self.view.page().mainFrame()
m.setScrollBarValue(QtCore.Qt.Vertical, v)
m.setScrollBarValue(QtCore.Qt.Horizontal, h)
