# Components_2.py for chapter 10 examples from Tkinter import * from GUICommon import * from Common import * class LED(GUICommon): def __init__(self, master=None, width=25, height=25, appearance=FLAT, status=STATUS_ON, bd=1, bg=None, shape=SQUARE, outline="", blink=0, blinkrate=1, orient=POINT_UP, takefocus=0): # preserve attributes self.master = master self.shape = shape self.Colors = [None, Color.OFF, Color.ON, Color.WARN, Color.ALARM, '#00ffdd'] self.status = status self.blink = blink self.blinkrate = int(blinkrate) self.on = 0 self.onState = None if not bg: bg = Color.PANEL ## Base frame to contain light self.led_frame=Frame(master, relief=appearance, bg=bg, bd=bd, takefocus=takefocus) basesize = width d = center = int(basesize/2) if self.shape == SQUARE: self.canvas=Canvas(self.led_frame, height=height, width=width, bg=bg, bd=0, highlightthickness=0) self.light=self.canvas.create_rectangle(0, 0, width, height, fill=Color.ON) elif self.shape == ROUND: r = int((basesize-2)/2) self.canvas=Canvas(self.led_frame, width=width, height=width, highlightthickness=0, bg=bg, bd=0) if bd > 0: self.border=self.canvas.create_oval(center-r, center-r, center+r, center+r) r = r - bd self.light=self.canvas.create_oval(center-r-1, center-r-1, center+r, center+r, fill=Color.ON, outline=outline) else: # Default is an ARROW self.canvas=Canvas(self.led_frame, width=width, height=width, highlightthickness=0, bg=bg, bd=0) x = d y = d VL = ARROW_HEAD_VERTICES[orient] self.light=self.canvas.create_polygon(eval(VL[0]), eval(VL[1]), eval(VL[2]), eval(VL[3]), eval(VL[4]), eval(VL[5]), eval(VL[6]), eval(VL[7]), outline = outline) self.canvas.pack(side=TOP, fill=X, expand=NO) self.update() def update(self): # First do the blink, if set to blink if self.blink: if self.on: if not self.onState: self.onState = self.status self.status = STATUS_OFF self.on = 0 else: if self.onState: self.status = self.onState # Current ON color self.on = 1 # Set color for current status self.canvas.itemconfig(self.light, fill=self.Colors[self.status]) self.canvas.update_idletasks() if self.blink: self.led_frame.after(self.blinkrate * 1000, self.update) class Screen(GUICommon): def __init__(self, master, bg=Color.PANEL, height=1, width=1): self.screen_frame = Frame(master, width=width, height=height, bg=bg, bd=0) self.base = bg self.set_colors(self.screen_frame) radius = 4 # radius of an air hole ssize = radius*3 # spacing between holes rows = int(height/ssize) cols = int(width/ssize) self.canvas = Canvas(self.screen_frame, height=height, width=width, bg=bg, bd=0, highlightthickness=0) self.canvas.pack(side=TOP, fill=BOTH, expand=NO) y = ssize - radius for r in range(rows): x0 = ssize -radius for c in range(cols): x = x0 + (ssize*c) self.canvas.create_oval(x-radius, y-radius, x+radius, y+radius, fill=self.dbase, outline=self.lbase) y = y + ssize class PowerConnector: def __init__(self, master, bg=Color.PANEL): self.socket_frame = Frame(master, relief="raised", width=60, height=40, bg=bg, bd=4) inside=Frame(self.socket_frame, relief="sunken", width=56, height=36, bg=Color.INSIDE, bd=2) inside.place(relx=.5, rely=.5, anchor=CENTER) ground=Frame(inside, relief="raised", width=6, height=10, bg=Color.CHROME, bd=2) ground.place(relx=.5, rely=.3, anchor=CENTER) p1=Frame(inside, relief="raised", width=6, height=10, bg=Color.CHROME, bd=2) p1.place(relx=.25, rely=.7, anchor=CENTER) p2=Frame(inside, relief="raised", width=6, height=10, bg=Color.CHROME, bd=2) p2.place(relx=.75, rely=.7, anchor=CENTER) class PowerSwitch(GUICommon): def __init__(self, master, label='I 0', base=Color.PANEL): self.base = base self.set_colors(master) self.switch_frame = Frame(master, relief="raised", width=45, height=28, bg=self.vlbase, bd=4) switch = Frame(self.switch_frame, relief="sunken", width=32, height=22, bg=self.base, bd=2) switch.place(relx=0.5, rely=0.5, anchor=CENTER) lbl=Label(switch, text=label, font=("Verdana", 10, "bold"), fg='white', bd=0, bg=self.dbase) lbl.place(relx=0.5, rely=0.5, anchor=CENTER) class BNC(GUICommon): def __init__(self, master, status=0, diameter=18, port=-1, fid=''): self.base = master['background'] self.hitID = fid self.status=status self.blink = 0 self.blinkrate = 1 self.on = 0 self.onState = None self.Colors = [None, Color.CHROME, Color.ON, Color.WARN, Color.ALARM, '#00ffdd'] basesize = diameter+6 self.bnc_frame = Frame(master, relief="flat", bg=self.base, bd=0, highlightthickness=0, takefocus=1) self.bnc_frame.pack(expand=0) self.bnc_frame.bind('', self.focus_in) self.bnc_frame.bind('', self.focus_out) self.canvas=Canvas(self.bnc_frame, width=basesize, height=basesize, highlightthickness=0, bg=self.base, bd=0) center = basesize/2 r = diameter/2 self.pins=self.canvas.create_rectangle(0, center+2, basesize-1, 10, fill=Color.CHROME) self.bnc=self.canvas.create_oval(center-r, center-r, center+r, center+r, fill=Color.CHROME, outline="black") r = r-3 self.canvas.create_oval(center-r, center-r, center+r, center+r, fill=Color.INSIDE, outline='black') r = r-2 self.canvas.create_oval(center-r, center-r, center+r, center+r, fill=Color.CHROME) r = r-3 self.canvas.create_oval(center-r, center-r, center+r, center+r, fill=Color.INSIDE, outline='black') self.canvas.pack(side=TOP, fill=X, expand=0) if self.hitID: self.hitID = '%s.%d' % (self.hitID, port) for widget in [self.bnc_frame]: widget.bind('', self.panelMenu) widget.bind('', self.panelMenu) for widget in [self.canvas]: widget.bind('<1>', self.panelMenu) def focus_in(self, event): self.last_background = self.canvas.itemcget(self.bnc, 'fill') self.canvas.itemconfig(self.bnc, fill=Color.HIGHLIGHT) self.update() def focus_out(self, event): self.canvas.itemconfig(self.bnc, fill=self.last_background) self.update() def update(self): # First do the blink, if set to blink if self.blink: if self.on: if not self.onState: self.onState = self.status self.status = STATUS_OFF self.on = 0 else: if self.onState: self.status = self.onState # Current ON color self.on = 1 # now update the status self.canvas.itemconfig(self.bnc, fill=self.Colors[self.status]) self.canvas.itemconfig(self.pins, fill=self.Colors[self.status]) self.bnc_frame.update_idletasks() if self.blink: self.bnc_frame.after(self.blinkrate * 1000, self.update) class PowerSupply(GUICommon): def __init__(self, master, width=160, height=130, bg=Color.PANEL, status=STATUS_ON): self.base = bg self.set_colors(master) self.psu_frame = Frame(master, relief=SUNKEN, bg=self.dbase, bd=2, width=width, height=height) id=Label(self.psu_frame, text='DC OK', fg='white', bg=self.dbase, font=('Verdana', 10, 'bold'), bd=0) id.place(relx=.8, rely=.15, anchor=CENTER) self.led = LED(self.psu_frame, height=12, width=12, shape=ROUND, bg=self.dbase) self.led.led_frame.place(relx=0.8, rely=0.31, anchor=CENTER) lsub = Frame(self.psu_frame, width=width/1.2, height=height/2, bg=self.dbase, bd=1, relief=GROOVE) lsub.place(relx=0.5, rely=0.68, anchor=CENTER) pwr=PowerConnector(lsub) pwr.socket_frame.place(relx=0.30, rely=0.5, anchor=CENTER) sw=PowerSwitch(lsub) sw.switch_frame.place(relx=0.75, rely=0.5, anchor=CENTER) class Screw(GUICommon): def __init__(self, master, diameter=18, base="gray40", bg=Color.PANEL): self.base = base basesize = diameter+6 self.screw_frame = Frame(master, relief="flat", bg=bg, bd=0, highlightthickness=0) self.set_colors(self.screw_frame) canvas=Canvas(self.screw_frame, width=basesize, height=basesize, highlightthickness=0, bg=bg, bd=0) center = basesize/2 r = diameter/2 r2 = r - 4.0 canvas.create_oval(center-r, center-r, center+r, center+r, fill=self.base, outline=self.lbase) canvas.create_rectangle(center-r2, center-0.2, center+r2, center+0.2, fill=self.dbase, width=0) canvas.create_rectangle(center-0.2, center-r2, center+0.2, center+r2, fill=self.dbase, width=0) canvas.pack(side="top", fill='x', expand='no') class StandardLEDs(GUICommon): def __init__(self, master=None, bg=Color.CARD): for led, label, xpos, ypos, state in [('flt', 'Flt', 0.3, 0.88, 1), ('pwr', 'Pwr', 0.7, 0.88, 2)]: setattr(self, '%s' % led, LED(self.card_frame,shape=ROUND,width=8, status=state, bg=bg)) getattr(self, '%s' % led).led_frame.place(relx=xpos, rely=ypos, anchor=CENTER) Label(self.card_frame, text=label, font=("verdana", 4), fg="white", bg=bg).place(relx=xpos,rely=(ypos+0.028), anchor=CENTER) class CardBlank(GUICommon): def __init__(self, master=None, width=20, height=396, appearance="raised", bd=2, base=Color.CARD): self.base = base self.set_colors(master) self.card_frame=Frame(master, relief=appearance, height=height, width=width, bg=base, bd=bd) top_pull = CardPuller(self.card_frame, CARD_TOP, width=width) top_pull.puller_frame.place(relx=.5, rely=0, anchor=N) bottom_pull = CardPuller(self.card_frame, CARD_BOTTOM, width=width) bottom_pull.puller_frame.place(relx=.5, rely=1.0, anchor=S) class CardPuller(GUICommon): def __init__(self, master, torb, width=20): self.base = master['background'] self.set_colors(master) self.puller_frame=Frame(master, width=width, height=32, bg=self.lbase, relief='flat') Frame(self.puller_frame, width=width/8, height=8, bg=self.dbase).place(relx=1.0, rely=[1.0,0][torb], anchor=[SE,NE][torb]) Frame(self.puller_frame, width=width/3, height=24, bg=self.vdbase).place(relx=1.0, rely=[0,1.0][torb], anchor=[NE,SE][torb]) Screw(self.puller_frame, diameter=10, base=self.base, bg=self.lbase).screw_frame.place(relx=0.3, rely=[0.2,0.8][torb], anchor=CENTER) class T3AccessCard(CardBlank,StandardLEDs): def __init__(self, master, width=1, height=1): CardBlank.__init__(self, master=master, width=width, height=height) bg=master['background'] StandardLEDs.__init__(self, master=master, bg=bg) for port, lbl, tag, ypos in [(1,'RX1','T3AccessRX', 0.30), (2,'TX1','T3AccessTX', 0.40), (3,'RX2','T3AccessRX', 0.65), (4,'TX2','T3AccessRX', 0.75)]: setattr(self, 'bnc%d' % port, BNC(self.card_frame, fid=tag, port=port)) getattr(self, 'bnc%d' % port).bnc_frame.place(relx=0.5, rely=ypos,anchor=CENTER) Label(self.card_frame,text=lbl, font=("verdana", 6), fg="white", bg=bg).place(relx=0.5, rely=(ypos+0.045), anchor=CENTER) for led, lbl, xpos, ypos, state in [('rxc','RXC',0.3,0.18,2), ('oos','OOS',0.7,0.18,1), ('flt','FLT',0.3,0.23,1), ('syn','SYN',0.7,0.23,2), ('rxc','RXC',0.3,0.53,2), ('oos','OOS',0.7,0.53,1), ('flt','FLT',0.3,0.58,1), ('syn','SYN',0.7,0.58,2)]: setattr(self, led, LED(self.card_frame,shape=ROUND,width=8, status=state, bg=bg)) getattr(self, led).led_frame.place(relx=xpos, rely=ypos,anchor=CENTER) Label(self.card_frame,text=lbl, font=("verdana", 4), fg="white", bg=bg).place(relx=xpos, rely=(ypos+0.028), anchor=CENTER) class Chassis: def __init__(self, master): self.outer=Frame(master, width=540, height=650, borderwidth=2, bg=Color.PANEL) self.outer.forget() # We won't display until all # the widgets have been created self.inner=Frame(self.outer, width=490, height=650, borderwidth=2, relief=RAISED, bg=Color.PANEL) self.inner.place(relx=0.5, rely=0.5, anchor=CENTER) self.rack = Frame(self.inner, bd=2, width=325, height=416, bg=Color.CHASSIS) self.rack.place(relx=0.985, rely=0.853, anchor=SE) incr = 325/9 x = 0.0 for i in range(9): if i == 4: card =T3AccessCard(self.rack, width=incr-1, height=414) else: card =CardBlank(self.rack, width=incr-1, height=414) card.card_frame.place(x=x, y=0, anchor=NW) x = x + incr self.img = PhotoImage(file='images/logo.gif') Label(self.outer, image=self.img, bd=0).place(relx=0.055, rely=0.992, anchor=SW) for x in [0.02, 0.98]: for y in [0.0444, 0.3111, 0.6555, 0.9711]: Screw(self.outer, base="gray50").screw_frame.place(relx=x, rely=y, anchor=CENTER) self.psu1 = PowerSupply(self.inner) self.psu1.psu_frame.place(relx=0.99, rely=0.004, anchor=NE) self.psu2 = PowerSupply(self.inner) self.psu2.psu_frame.place(relx=0.65, rely=0.004, anchor=NE) self.psu2.led.turnoff() screen1 = Screen(self.inner, width=150, height=600, bg=Color.PANEL) screen1.screen_frame.place(relx=0.16, rely=0.475, anchor=CENTER) screen2 = Screen(self.inner, width=330, height=80, bg=Color.PANEL) screen2.screen_frame.place(relx=0.988, rely=0.989, anchor=SE)