components_4.py

Python.Tkinter编程实例代码多多学习

    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 FDDI(GUICommon):
    def __init__(self, master, status=STATUS_OFF, orient=HW_HORIZONTAL,
                 port=-1, fid=''):
	self.hitID        = fid
        self.status       = status
        self.blink        = 0
        self.blinkrate    = 1
        self.on           = 0
        self.onState      = None
        self.high         = FALSE
        self.Colors       = [None, Color.DISP, Color.ON,
                             Color.WARN, Color.ALARM, '#00ffdd']
        
        if orient == HW_HORIZONTAL:
            width   = 46
            height  = 20
            iwidth  = 16
            iheight = 15
            ix = 0
        else:
            width   = 20
            height  = 46
            iwidth  = 15
            iheight = 16
            ix = 1
            
        st_wid.append(self)    # register for animation

        self.fddi_frame = Frame(master, relief="raised", width=width,
                                height=height, bg=Color.DISP, bd=1,
                                takefocus=1)
	self.fddi_frame.bind('<FocusIn>', self.focus_in)
	self.fddi_frame.bind('<FocusOut>', self.focus_out)
	self.rx = Frame(self.fddi_frame, relief="sunken", width=iwidth,
                        height=iheight, bg=Color.INSIDE, bd=1)
	self.rx.place(relx=[0.05,0.06][ix], rely=0.05, anchor=NW)
	self.tx = Frame(self.fddi_frame, relief="sunken", width=iwidth,
                        height=iheight, bg=Color.INSIDE, bd=1)
	self.tx.place(relx=0.95, rely=[0.05,0.95][ix], anchor=[NE,SE][ix])
	if self.hitID:
	    self.hitID = '%s.%d' % (self.hitID, port)
	    for widget in [self.fddi_frame, self.rx, self.tx]:
	        widget.bind('<KeyPress-space>', self.panelMenu)
	        widget.bind('<Button-1>', self.panelMenu)

    def focus_in(self, event):
	self.last_background = self.fddi_frame['background']
	self.fddi_frame['background'] = Color.HIGHLIGHT
        self.high = TRUE
	self.update()

    def focus_out(self, event):
	self.fddi_frame['background'] = self.last_background
        self.high = FALSE

	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
        if not self.high:
            self.fddi_frame['background'] = self.Colors[self.status]

        self.fddi_frame.update_idletasks()

        if self.blink:
            self.fddi_frame.after(self.blinkrate * 1000, self.update)

class JConnector(GUICommon):
    def __init__(self, master, width, height, orient=HW_HORIZONTAL, 
		 port=-1, fid='', status=STATUS_OFF): 
	self.hitID        = fid
        self.status       = status
        self.blink        = 0
        self.blinkrate    = 1
        self.on           = 0
        self.onState      = None
	if orient == HW_HORIZONTAL:
	    use_width  = width
	    use_height = height
	else:
	    use_width  = height
	    use_height = width

        st_wid.append(self)    # register for animation

        self.j_frame = Frame(master, relief="raised", width=use_width,
                             height=use_height, bg=Color.CHROME, bd=2, 
                             takefocus=1)
	self.j_frame.bind('<FocusIn>', self.focus_in)
	self.j_frame.bind('<FocusOut>', self.focus_out)
        self.body = Frame(self.j_frame, relief="sunken", width=use_width-6,
	                  height=use_height-6, bg=Color.CHROME, bd=2)
	self.body.place(relx=0.5, rely=0.5, anchor=CENTER)
	self.i1 = Frame(self.body, relief="sunken", width=use_width-8, 
			height=use_height-8,
	                bg=Color.INSIDE, bd=1)
	self.i1.place(relx=0.5, rely=0.5, anchor=CENTER)
	if self.hitID:
	    self.hitID = '%s.%d' % (self.hitID, port)
	    for widget in [self.j_frame, self.body, self.i1]:
	        widget.bind('<KeyPress-space>', self.panelMenu)
	        widget.bind('<Button-1>', self.panelMenu)

    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

	self.j_frame.update_idletasks()

        if self.blink:
            self.j_frame.after(self.blinkrate * 1000, self.update)

    def turnon(self):
	self.j_frame['background'] = Color.ON
	self.body['background'] = Color.CHROME
	self.update()

    def turnoff(self):
	self.j_frame['background'] = Color.CHROME
	self.body['background'] = Color.CHROME
	self.update()

    def warn(self):
	self.j_frame['background'] = Color.WARN
	self.body['background'] = Color.WARN
	self.update()

    def alarm(self):
	self.j_frame['background'] = Color.ALARM
	self.body['background'] = Color.ALARM
	self.update()

    def focus_in(self, event):
	self.last_j_frame_background = self.j_frame['background']
	self.last_body_background = self.body['background']
	self.j_frame['background'] = Color.HIGHLIGHT
	self.body['background'] = Color.HIGHLIGHT
	self.update()

    def focus_out(self, event):
	self.j_frame['background'] = self.last_j_frame_background
	self.body['background'] = self.last_body_background
	self.update()

class J9(JConnector):
    def __init__(self, master, port=-1, fid='', orient=HW_HORIZONTAL,
                 status=STATUS_OFF):
	JConnector.__init__(self, master=master, width=40, height=22, 
			    port=port, fid=fid,
			    status=status, orient=orient)

class J25(JConnector):
    def __init__(self, master, port=-1, fid='', orient=HW_HORIZONTAL,
                 status=STATUS_OFF):
	JConnector.__init__(self, master=master, width=100, height=22, 
			    port=port, fid=fid,
			    status=status, orient=orient)

class J50(JConnector):
    def __init__(self, master, port=-1, fid='', orient=HW_HORIZONTAL,
                 status=STATUS_OFF):
	JConnector.__init__(self, master=master, width=90, height=18, 
			    port=port, fid=fid,
			    status=status, orient=orient)

class FastSerial(JConnector):
    def __init__(self, master, port=-1, fid='', orient=HW_HORIZONTAL,
                 status=STATUS_OFF):
	JConnector.__init__(self, master=master, width=66, height=24, 
			    port=port, fid=fid,
			    status=status, orient=orient)

class PanelText:
    def __init__(self, master=None, appearance="flat", width=0, 
		 bg='gray15', bd=0, text="", fg='yellow'):
	# preserve various values

        self.text_frame = Frame(master, relief=appearance, bg=bg, bd=bd,
                                highlightthickness=0, takefocus=0)

#        font = ("PixelPoint", 10)
        font = ("Verdana", 10)
        self.text=Label(self.text_frame, text=text[:2], fg=fg,
                        bg=bg, font=font)
	self.text.pack()

    def display(self, newtext):
	self.text['text'] = newtext
	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)

	Label(self.psu_frame, text='DC OK', fg='white',
              bg=self.dbase, font=('Verdana', 10, 'bold'),
              bd=0).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, 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=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 E10BASETCard(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)
        yy = 0.26
        for i in range(8):
            setattr(self, 'j%d' % (i+1), Enet10baseT(self.card_frame,
               fid="10Base-T-%d", port=i+1,orient=HW_LEFT, status=STATUS_OFF))
            getattr(self, 'j%d' % (i+1)).j45_frame.place(relx=0.5, rely=yy,
                                                       anchor=CENTER)
            yy = yy + 0.08

        xypos = [(0.2,0.1), (0.8,0.1),
                 (0.2,0.13),(0.8,0.13),
                 (0.2,0.16),(0.8,0.16),
                 (0.2,0.19),(0.8,0.19)]
        
        for i in range(8):
            xpos,ypos = xypos[i]
            setattr(self, 'led%d' % (i+1), LED(self.card_frame,shape=ROUND,
                        width=6, status=STATUS_ON, bg=bg))
            getattr(self, 'led%d' % (i+1)).led_frame.place(relx=xpos,
                                                  rely=ypos,anchor=CENTER)
        for lbl, ypos in [('1 2', 0.1), ('3 4', 0.13),
                          ('5 6', 0.16),('7 8', 0.19)]:
            Label(self.card_frame,text=lbl,
                  font=("verdana", 4), fg="white",
                  bg=bg).place(relx=0.5,rely=ypos,anchor=CENTER)
                 
class FastSerialCard(CardBlank,StandardLEDs):