class _QueuedMessageWidget(QWidget):
cleared = pyqtSignal()
finished = pyqtSignal()
shown = pyqtSignal()
closed = pyqtSignal()
linkActivated = pyqtSignal(unicode)
linkHovered= pyqtSignal(unicode)
buttonClicked = pyqtSignal(QAbstractButton)
def __init__(self, *args):
QWidget.__init__(self, *args)
self._messages = []
self._defaultTimeout = 0
self._defaultPixmap = QPixmap(":/enkiicons/infos.png" )
self._defaultBackground = QBrush( QColor( 250, 230, 147 ) )
self._defaultForeground = QBrush( QColor( 0, 0, 0 ) )
# pixmap
self.lPixmap = QLabel( self )
self.lPixmap.setAlignment( Qt.AlignCenter )
self.lPixmap.setSizePolicy( QSizePolicy( QSizePolicy.Maximum, QSizePolicy.Preferred ) )
# message
self.lMessage = QLabel( self )
self.lMessage.setAlignment( Qt.AlignVCenter | Qt.AlignLeft )
self.lMessage.setSizePolicy( QSizePolicy( QSizePolicy.Expanding, QSizePolicy.Preferred ) )
self.lMessage.setWordWrap( True )
self.lMessage.setOpenExternalLinks( True )
self.lMessage.setTextInteractionFlags( Qt.TextBrowserInteraction )
# button
self.dbbButtons = QDialogButtonBox( self )
# if false - buttons don't have neither text nor icons
self.dbbButtons.setStyleSheet("dialogbuttonbox-buttons-have-icons: true;")
self.dbbButtons.setSizePolicy( QSizePolicy( QSizePolicy.Maximum, QSizePolicy.Preferred ) )
self.setSizePolicy( QSizePolicy( QSizePolicy.Expanding, QSizePolicy.Maximum ) )
# layout
self.hbl = QHBoxLayout( self )
self.hbl.setMargin( 0 )
self.hbl.addWidget( self.lPixmap, 0, Qt.AlignCenter )
self.hbl.addWidget( self.lMessage )
self.hbl.addWidget( self.dbbButtons, 0, Qt.AlignCenter )
# connections
self.lMessage.linkActivated.connect(self.linkActivated)
self.lMessage.linkHovered.connect(self.linkHovered)
self.dbbButtons.clicked.connect(self.buttonClicked)
def sizeHint(self):
return QWidget.minimumSizeHint(self)
def openExternalLinks(self):
return self.lMessage.openExternalLinks()
def defaultTimeout(self):
return self._defaultTimeout
def defaultPixmap(self):
return self._defaultPixmap
def defaultBackground(self):
return self._defaultBackground
def defaultForeground(self):
return self._defaultForeground
def currentMessageInformations(self):
return self.currentMessagePixmap(), self.currentMessageBackground(), self.currentMessageForeground()
def pendingMessageCount(self):
return len(self._messages)
def currentMessage(self):
return self._messages[0]
def append(self, message, milliSeconds ):
msg = _QueuedMessage()
msg.message = message
if milliSeconds == -1:
msg.milliSeconds = self._defaultTimeout
else:
msg.milliSeconds = milliSeconds
msg.pixmap = self._defaultPixmap
msg.background = self._defaultBackground
msg.foreground = self._defaultForeground
self._messages.append(msg)
if len(self._messages) == 1 :
QTimer.singleShot( 0, self.showMessage)
def setOpenExternalLinks(self, open ):
self.lMessage.setOpenExternalLinks( open )
def setDefaultTimeout(self, timeout ):
self._defaultTimeout = timeout
def setDefaultPixmap(self, pixmap ):
self._defaultPixmap = pixmap
def setDefaultBackground(self, brush ):
self._defaultBackground = brush
def setDefaultForeground(self, brush ):
self._defaultForeground = brush
def remove(self, message ):
raise NotImplemented() # incorrect port from cpp fresh
if not self._messages or self._messages.first() == message:
return
self._messages.removeOne( message )
def clear(self):
self._messages.clear()
self.lPixmap.clear()
self.lMessage.clear()
self.dbbButtons.clear()
self.cleared.emit()
def currentMessagePixmap(self):
msg = self.currentMessage()
if msg.pixmap.isNull():
return self._defaultPixmap
else:
return msg.pixmap
def currentMessageBackground(self):
msg = self.currentMessage()
if msg.background == QBrush( Qt.NoBrush ):
return self._defaultBackground
else:
return msg.background
def currentMessageForeground(self):
msg = self.currentMessage()
if msg.foreground == QBrush( Qt.NoBrush ):
return self._defaultForeground
else:
return msg.foreground
def paintEvent(self, event ):
if self.pendingMessageCount() == 0 :
QWidget.paintEvent(self, event )
return
painter = QPainter( self )
painter.setPen( Qt.NoPen )
painter.setBrush( self.currentMessageBackground() )
painter.drawRect( self.contentsRect() )
def buttonClicked(self, button ):
msg = self.currentMessage()
standardButton = self.dbbButtons.standardButton( button )
if msg.slot is not None:
msg.slot(standardButton, msg)
self.closeMessage()
def showMessage(self):
# get message
msg = self.currentMessage()
# update palette
pal = self.lMessage.palette()
pal.setBrush( self.lMessage.foregroundRole(), self.currentMessageForeground() )
self.lMessage.setPalette( pal )
# format widget
self.lPixmap.setPixmap( self.currentMessagePixmap() )
self.lMessage.setText( msg.message )
self.lMessage.setToolTip( msg.message )
self.lMessage.setWhatsThis( msg.message )
# set buttons
if not msg.buttons:
msg.buttons[ QDialogButtonBox.Close ] = None
self.dbbButtons.clear()
for button in msg.buttons.keys():
pb = self.dbbButtons.addButton( button )
if button in msg.buttons:
pb.setText( msg.buttons[ button ] )
# auto close if needed
if msg.milliSeconds == -1:
timeout = self._defaultTimeout
else:
timeout = msg.milliSeconds
if timeout > 0:
QTimer.singleShot( timeout, self.closeMessage )
# signal.emit
self.shown.emit()
def closeMessage(self):
# message.emit
self.closed.emit()
# remove remove current message from hash
self._messages = self._messages[1:]
# process next if possible, clear gui
if self._messages:
QTimer.singleShot( 0, self.showMessage)
else:
QTimer.singleShot( 0, self.clearMessage)
# finished.emit message if needed
if not self._messages:
self.finished.emit()
def clearMessage(self):
self.lPixmap.clear()
self.lMessage.clear()
self.dbbButtons.clear()
