class Application(Tk):
DESCRIPTION = "This is the ....."
COPYRIGHT = "Copyright ⓒ 2020 by www.chenxuanwei.com, All rights Reserved!"
WIDTH, HEIGHT = 600, 400
BACKGROUND = "#004D40"
TITLE = "Welcome"
FENS = {
"head": [ 7, 7, 590, 40],
"body": [ 7, 47, 590, 270],
"comment": [ 7, 317, 590, 40],
"copyright": [ 7, 357, 590, 40]}
TAGLINE = "tag_line"
TAGSWITCH = "tag_switch"
def __init__(self):
self.mouse = []
super().__init__()
self.title()
super().geometry("%dx%d+105+105" %(self.WIDTH, self.HEIGHT))
super().configure(bg = self.BACKGROUND)
super().title(self.TITLE)
super().maxsize(self.WIDTH, self.HEIGHT)
super().minsize(self.WIDTH, self.HEIGHT)
super().bind("<Button-1>", self.click) ### catchup the event of mouse clicked
self.cv = XCanvas(root = self) #### initital Canvas
self.debug = Debug(root = self, cord = self.FENS["comment"])
self.db = Database()
self.btnCommOn = False ### communication status with RaspBerryPi, TRUE or FALSE
self.btnGpioOn = True ### SIGNAL LEVEL (On or Off) to GPIO
self.sock = Socket(callback = self.getResult)
self.network = self.db.loadImage(file = "network")
self.switch = self.db.loadImages(files = ["swOff", "swOn"])
### 🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢 ###
### Mouse Control, register and unregister
def register(self, cord, command, tag):
self.mouse.append([cord, command, tag])
def unregister(self, tag):
for index, tuple in enumerate(self.mouse):
if tuple[2] == tag:
self.mouse.pop(index)
return
return
def click(self, event):
### Debug.out("x = {}, y= {}".format(event.x, event.y))
for (cord, command, tag) in self.mouse:
x, y = event.x - cord[0], event.y - cord[1]
if self.domain(x, y, cord): command(x = x, y = y, tag = tag)
### check if the mouse clicked in the domain.
def domain(self, x, y, cord): return 0 <= y and y <= cord[3] and 0 <= x and x <= cord[2]
### 🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢🟢 ###
### rewrite the mainloop()
def mainloop(self):
#### initial the Layout of Canvas
for _, cord in self.FENS.items():
self.cv.bolder(cord, fill = self.BACKGROUND, tag = "fens")
#### initial the menu
MENU = {
"connect": self.btnCommClicked,
"GPIO On": self.btnGpioClicked,
"Quit": self.btnExitClicked}
self.menu = self.initMenu(cord = self.FENS["head"], ctrl = MENU, tag = "menu")
self.cv.text(cord = self.FENS["copyright"], text = self.COPYRIGHT, fill = "#263238")
self.refresh()
self.cv.image(cord = self.FENS["body"], img = self.network, tag = "network")
self.debug.comment(text = "press <Connect> to init the socket with Raspberry Pi")
super().mainloop()
#### refresh the status of menus, self.menu.
def refresh(self):
self.menu[0].showText(text = "disconnect" if self.btnCommOn else "connect")
self.menu[1].showText(text = "Switch On" if self.btnGpioOn else "Switch Off")
self.menu[1].state(status = "normal" if self.btnCommOn else "disabled")
self.menu[2].state(status = "disabled" if self.btnCommOn else "normal")
self.connected()
self.switchOn()
def initMenu(self, cord, ctrl, tag):
number = len(ctrl.keys())
width = cord[2] / number ### width for each button
btn = []
for index, (text, command) in enumerate(ctrl.items()):
btn.append(XButton(root = self, command = command, text = text, round = True,
tag = "%s_%d" %(tag, index), font = ("Times", 12), adjust = True))
btn[-1].initial(cord = [cord[0] + width * index, cord[1], width, cord[3] * 0.9 ])
return btn
def initBtn(self, text, command):
btn = XButton(self.root, text = text, font = ("ariel", 16), command = command, width = 14, height = 2,
activebackground = "#01579B", activeforeground = "#01579B", relief = tkinter.RAISED,
fg = "black")
btn.pack( padx = 2, pady = 5, side = tkinter.LEFT)
btn["background"] = "green"
return btn
def initLabel(self, text = "This is test."):
label = XLabel(self.root, text = text, font = ("ariel", 20),
bg = "#004D40", fg = "black", width = 78, height = 2)
label.pack(padx = 20, pady = 5, side = tkinter.BOTTOM)
return label
#### 🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅 ###
#### btn Clicked process,
def btnCommClicked(self, tag):
Debug.out("communication Button is clicked!")
if self.btnCommOn: ### TRUE, disconnect the socket with RaspberryPi
self.btnCommOn = False
self.sock.closeClient()
else: ### FALSE, initial the socket with Raspberry Pi
self.sock.initClient()
self.refresh() #### update the status of the Buttons
def btnGpioClicked(self, tag):
Debug.out("GPIO Button is clicked!")
if self.btnGpioOn: ### send GPIO_ON to Raspberry Pi
self.sock.send2Server(data = "GPIO_ON")
else:
self.sock.send2Server(data = "GPIO_OFF")
self.refresh() #### update the status of the Buttons
### Quit the application
def btnExitClicked(self, tag):
if self.btnCommOn:
Debug.out("Please disconnect the socket before you quit!")
else:
super().quit()
#### 🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅🍅 ###
#### get Feedback from RaspberryPi,
def getResult(self, cmd):
Debug.out("🔴🔴🔴🔴: " + cmd)
if cmd == self.sock.msgHandshake: #### the socket with RaspberryPi is hand shaken.
self.btnCommOn = True
self.debug.comment(text = "the socket with raspberryPi is Connected ...")
elif cmd == "exit":
self.btnCommOn = False
self.debug.comment(text = " the socket with raspberryPi is disConnected ...")
elif cmd == self.sock.msgGPIO_ON:
self.btnGpioOn = False
self.debug.comment(text = "signal GPIO ON is sent to raspberryPi ...")
elif cmd == self.sock.msgGPIO_OFF:
self.btnGpioOn = True
self.debug.comment(text = "signal GPIO OFF is sent to raspberryPi ...")
def connected(self):
if self.btnCommOn:
self.cv.line(x0 = 100, y0 = 210, x1 = 250, y1 = 210, fill = "#64DD17", width = 10, tag = self.TAGLINE)
else:
self.cv.delete(self.TAGLINE)
def switchOn(self):
if self.btnGpioOn:
self.cv.delete(self.TAGSWITCH)
else:
self.cv.image(cord = [330, 190, 0, 0], img = self.switch["swOn"], tag = self.TAGSWITCH)
self.cv.line(x0 = 250, y0 = 210, x1 = 330, y1 = 210, fill = "#64DD17", width = 10, tag = self.TAGSWITCH)
self.cv.line(x0 = 370, y0 = 210, x1 = 520, y1 = 210, fill = "#64DD17", width = 10, tag = self.TAGSWITCH)
