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QML: VNC Server state parsing and updating

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Bumsik Kim 2018-05-07 23:34:11 -04:00
parent d1775042b1
commit a07fecd574
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2 changed files with 53 additions and 26 deletions
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27
virtscreen.py
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@ -229,8 +229,8 @@ class VNCState(Enum):
class Backend(QObject):
""" Backend class for QML frontend """
# Signals
virtScreenChanged = pyqtSignal(bool)
vncStateChanged = pyqtSignal(str)
onVirtScreenCreatedChanged = pyqtSignal(bool)
onVncStateChanged = pyqtSignal(str)
def __init__(self, parent=None):
super(Backend, self).__init__(parent)
@ -281,13 +281,13 @@ class Backend(QObject):
def hidpi(self, hidpi):
self._hidpi = hidpi
@pyqtProperty(bool)
def virtScreenCreated(self, notify=virtScreenChanged):
@pyqtProperty(bool, notify=onVirtScreenCreatedChanged)
def virtScreenCreated(self):
return self._virtScreenCreated
@virtScreenCreated.setter
def virtScreenCreated(self, value):
self._virtScreenCreated = value
self.virtScreenChanged.emit(value)
self.onVirtScreenCreatedChanged.emit(value)
@pyqtProperty(int)
def vncPort(self):
@ -302,15 +302,14 @@ class Backend(QObject):
@vncPassword.setter
def vncPassword(self, vncPassword):
self._vncPassword = vncPassword
print(self._vncPassword)
@pyqtProperty(str)
def vncState(self, notify=vncStateChanged):
@pyqtProperty(str, notify=onVncStateChanged)
def vncState(self):
return self._vncState.value
@vncState.setter
def vncState(self, state):
self._vncState = state
self.vncStateChanged.emit(self._vncState.value)
self.onVncStateChanged.emit(self._vncState.value)
@pyqtProperty(int)
def cursor_x(self):
@ -361,15 +360,17 @@ class Backend(QObject):
if not self.virtScreenCreated:
print("Virtual Screen not crated.")
return
# regex used in callbacks
re_connection = re.compile(r"^.*Got connection from client.*$", re.M)
# define callbacks
def _onConnected():
print("VNC started.")
self.vncState = VNCState.WAITING
def _onReceived(data):
data = data.decode("utf-8")
for line in data.splitlines():
# TODO: Update state of the server
pass
if (self._vncState is not VNCState.CONNECTED) and re_connection.search(data):
print("VNC connected.")
self.vncState = VNCState.CONNECTED
def _onEnded(exitCode):
print("VNC Exited.")
self.vncState = VNCState.OFF
@ -402,7 +403,7 @@ class Backend(QObject):
# Usually called from atexit().
self.vncServer.kill()
time.sleep(2) # Make sure X11VNC shutdown before execute next atexit.
if self.vncState in (VNCState.WAITING.value, VNCState.CONNECTED.value):
if self._vncState in (VNCState.WAITING, VNCState.CONNECTED):
self.vncServer.kill()
else:
print("stopVNC called while it is not running")