def mainloop(self):
'''Enters the main event loop and waits until :meth:`~quit` is called or the main widget is destroyed.'''
TTkLog.debug("")
TTkLog.debug(" ████████╗ ████████╗ ")
TTkLog.debug(" ╚══██╔══╝ ╚══██╔══╝ ")
TTkLog.debug(" ██║ ▄▄ ▄ ▄▄ ▄▄▖▄▖ ██║ █ ▗▖ ")
TTkLog.debug(" ▞▀▚ ▖▗ ██║ █▄▄█ █▀▘ █ █ █ ██║ █▟▘ ")
TTkLog.debug(" ▙▄▞▐▄▟ ██║ ▀▄▄▖ █ █ ▝ █ ██║ █ ▀▄ ")
TTkLog.debug(" ▌ ▐ ╚═╝ ╚═╝ ")
TTkLog.debug(" ▚▄▄▘ ")
TTkLog.debug("")
TTkLog.debug(f" Version: {TTkCfg.version}")
TTkLog.debug("")
TTkLog.debug("Starting Main Loop...")
# Register events
try:
signal.signal(signal.SIGTSTP, self._SIGSTOP) # Ctrl-Z
signal.signal(signal.SIGCONT, self._SIGCONT) # Resume
signal.signal(signal.SIGINT, self._SIGINT) # Ctrl-C
except Exception as e:
TTkLog.error(f"{e}")
exit(1)
else:
TTkLog.debug("Signal Event Registered")
TTkTerm.registerResizeCb(self._win_resize_cb)
threading.Thread(target=self._input_thread, daemon=True).start()
self._timer = TTkTimer()
self._timer.timeout.connect(self._time_event)
self._timer.start(0.1)
self.show()
self.running = True
# Keep track of the multiTap to avoid the extra key release
lastMultiTap = False
TTkTerm.init(title=self._title)
while self.running:
# Main Loop
evt = self.events.get()
if evt is TTkK.MOUSE_EVENT:
mevt = self.mouse_events.get()
# Avoid to broadcast a key release after a multitap event
if mevt.evt == TTkK.Release and lastMultiTap: continue
lastMultiTap = mevt.tap > 1
focusWidget = TTkHelper.getFocus()
if focusWidget is not None and \
mevt.evt != TTkK.Press and \
mevt.key != TTkK.Wheel:
x, y = TTkHelper.absPos(focusWidget)
nmevt = mevt.clone(pos=(mevt.x - x, mevt.y - y))
focusWidget.mouseEvent(nmevt)
else:
# Sometimes the release event is not retrieved
if focusWidget and focusWidget._pendingMouseRelease:
focusWidget.mouseEvent(nmevt.clone(evt=TTkK.Release))
focusWidget._pendingMouseRelease = False
self.mouseEvent(mevt)
elif evt is TTkK.KEY_EVENT:
keyHandled = False
kevt = self.key_events.get()
# TTkLog.debug(f"Key: {kevt}")
focusWidget = TTkHelper.getFocus()
overlayWidget = TTkHelper.getOverlay()
TTkLog.debug(f"{focusWidget}")
if focusWidget is not None:
TTkHelper.execShortcut(kevt.key, focusWidget)
keyHandled = focusWidget.keyEvent(kevt)
else:
TTkHelper.execShortcut(kevt.key)
# Handle Next Focus Key Binding
if not keyHandled and \
((kevt.key == TTkK.Key_Tab and kevt.mod == TTkK.NoModifier) or
( kevt.key == TTkK.Key_Right )):
TTkHelper.nextFocus(focusWidget if focusWidget else self)
# Handle Prev Focus Key Binding
if not keyHandled and \
((kevt.key == TTkK.Key_Tab and kevt.mod == TTkK.ShiftModifier) or
( kevt.key == TTkK.Key_Left )):
TTkHelper.prevFocus(focusWidget if focusWidget else self)
elif evt is TTkK.TIME_EVENT:
size = os.get_terminal_size()
self.setGeometry(0, 0, size.columns, size.lines)
TTkHelper.paintAll()
self._timer.start(1 / TTkCfg.maxFps)
self._fps()
pass
elif evt is TTkK.SCREEN_EVENT:
self.setGeometry(0, 0, TTkGlbl.term_w, TTkGlbl.term_h)
TTkLog.info(f"Resize: w:{TTkGlbl.term_w}, h:{TTkGlbl.term_h}")
elif evt is TTkK.QUIT_EVENT:
TTkLog.debug(f"Quit.")
break
else:
TTkLog.error(f"Unhandled Event {evt}")
break
TTkTerm.exit()
def get_key(callback=None):
mouse_re = re.compile(r"\033\[<(\d+);(\d+);(\d+)([mM])")
while not False:
stdinRead = readInput()
mevt = None
kevt = KeyEvent.parse(stdinRead)
if kevt is None and \
stdinRead.startswith("\033[<"):
# Mouse Event
m = mouse_re.match(stdinRead)
if not m:
# TODO: Return Error
TTkLog.error("UNHANDLED: " +
stdinRead.replace("\033", "<ESC>"))
continue
code = int(m.group(1))
x = int(m.group(2)) - 1
y = int(m.group(3)) - 1
state = m.group(4)
key = TTkMouseEvent.NoButton
evt = TTkMouseEvent.NoEvent
tap = 0
def _checkTap(lastTime, tap):
if state == "M":
t = time()
if (t - lastTime) < 0.4:
return t, tap + 1
else:
return t, 1
return lastTime, tap
if code == 0x00:
TTkInput._leftLastTime, TTkInput._leftTap = _checkTap(
TTkInput._leftLastTime, TTkInput._leftTap)
tap = TTkInput._leftTap
key = TTkMouseEvent.LeftButton
evt = TTkMouseEvent.Press if state == "M" else TTkMouseEvent.Release
elif code == 0x01:
TTkInput._midLastTime, TTkInput._midTap = _checkTap(
TTkInput._midLastTime, TTkInput._midTap)
tap = TTkInput._midTap
key = TTkMouseEvent.MidButton
evt = TTkMouseEvent.Press if state == "M" else TTkMouseEvent.Release
elif code == 0x02:
TTkInput._rightLastTime, TTkInput._rightTap = _checkTap(
TTkInput._rightLastTime, TTkInput._rightTap)
tap = TTkInput._rightTap
key = TTkMouseEvent.RightButton
evt = TTkMouseEvent.Press if state == "M" else TTkMouseEvent.Release
elif code == 0x20:
key = TTkMouseEvent.LeftButton
evt = TTkMouseEvent.Drag
elif code == 0x21:
key = TTkMouseEvent.MidButton
evt = TTkMouseEvent.Drag
elif code == 0x22:
key = TTkMouseEvent.RightButton
evt = TTkMouseEvent.Drag
elif code == 0x40:
key = TTkMouseEvent.Wheel
evt = TTkMouseEvent.Up
elif code == 0x41:
key = TTkMouseEvent.Wheel
evt = TTkMouseEvent.Down
mevt = TTkMouseEvent(x, y, key, evt, tap,
m.group(0).replace("\033", "<ESC>"))
if kevt is None and mevt is None:
TTkLog.error("UNHANDLED: " +
stdinRead.replace("\033", "<ESC>"))
if callback is not None:
if not callback(kevt, mevt):
break