Mercurial > code > home > repos > light9
annotate light8/uihelpers.py @ 47:2ae11dc56b38
did a nice job with Togglebutton
| author | drewp |
|---|---|
| date | Sun, 07 Jul 2002 15:11:48 +0000 |
| parents | 411de8b46aef |
| children | 71489bb71528 |
| rev | line source |
|---|---|
| 0 | 1 """all the tiny tk helper functions""" |
| 47 | 2 from __future__ import nested_scopes |
| 0 | 3 from Tkinter import * |
|
34
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
4 from types import StringType |
| 0 | 5 |
| 6 def make_frame(parent): | |
|
12
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
7 f = Frame(parent, bd=0) |
| 0 | 8 f.pack(side='left') |
| 9 return f | |
| 10 | |
| 11 def bindkeys(root,key, func): | |
| 12 root.bind(key, func) | |
| 13 for w in root.winfo_children(): | |
| 14 w.bind(key, func) | |
| 15 | |
|
12
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
16 def toplevelat(x,y,w=None,h=None): |
|
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
17 tl=Toplevel() |
|
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
18 if w and h: |
|
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
19 tl.wm_geometry("%dx%d+%d+%d"%(w,h,x,y)) |
|
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
20 else: |
|
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
21 tl.wm_geometry("+%d+%d"%(x,y)) |
|
7adc65771676
big restructuring - moved lots of things (including most panels) to other files
drewp
parents:
0
diff
changeset
|
22 return tl |
| 0 | 23 |
| 24 def toggle_slider(s): | |
| 25 if s.get() == 0: | |
| 26 s.set(100) | |
| 27 else: | |
| 28 s.set(0) | |
| 29 | |
| 30 # for lambda callbacks | |
| 31 def printout(t): | |
| 32 print t | |
| 33 | |
| 34 def colorlabel(label): | |
| 35 """color a label based on its own text""" | |
| 36 txt=label['text'] or "0" | |
| 37 lev=float(txt)/100 | |
| 38 low=(80,80,180) | |
| 39 high=(255,55,050) | |
| 40 out = [int(l+lev*(h-l)) for h,l in zip(high,low)] | |
| 41 col="#%02X%02X%02X" % tuple(out) | |
| 42 label.config(bg=col) | |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
43 |
|
34
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
44 # TODO: get everyone to use this |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
45 def colorfade(low, high, percent): |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
46 '''not foolproof. make sure 0 < percent < 1''' |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
47 out = [int(l+percent*(h-l)) for h,l in zip(high,low)] |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
48 col="#%02X%02X%02X" % tuple(out) |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
49 return col |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
50 |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
51 def colortotuple(anytkobj, colorname): |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
52 'pass any tk object and a color name, like "yellow"' |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
53 rgb = anytkobj.winfo_rgb(colorname) |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
54 return [v / 256 for v in rgb] |
|
411de8b46aef
the famous you-are-in-the-process-of-changing-this-light indicator.
dmcc
parents:
30
diff
changeset
|
55 |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
56 class Togglebutton(Button): |
| 47 | 57 """works like a single radiobutton, but it's a button so the |
| 58 label's on the button face, not to the side. the optional command | |
| 59 callback is called on button set, not on unset. takes a variable | |
| 60 just like a checkbutton""" | |
| 61 def __init__(self,parent,variable=None,command=None,**kw): | |
| 62 | |
| 63 self.oldcommand = command | |
| 64 Button.__init__(self,parent,command=self.invoke,**kw) | |
| 65 | |
| 66 self._origbkg = self.cget('bg') | |
| 67 | |
| 68 self._variable = variable | |
| 69 if self._variable: | |
| 70 self._variable.trace('w',self._varchanged) | |
| 71 self._setstate(self._variable.get()) | |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
72 else: |
| 47 | 73 self._setstate(0) |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
74 |
| 47 | 75 self.bind("<Return>",self.invoke) |
| 76 self.bind("<1>",self.invoke) | |
| 77 self.bind("<space>",self.invoke) | |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
78 |
| 47 | 79 def _varchanged(self,*args): |
| 80 self._setstate(self._variable.get()) | |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
81 |
| 47 | 82 def invoke(self,*ev): |
| 83 if self._variable: | |
| 84 self._variable.set(not self.state) | |
| 85 else: | |
| 86 self._setstate(not self.state) | |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
87 |
| 47 | 88 if self.oldcommand and self.state: # call command only when state goes to 1 |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
89 self.oldcommand() |
| 47 | 90 return "break" |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
91 |
| 47 | 92 def _setstate(self,newstate): |
| 93 self.state = newstate | |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
94 if newstate: # set |
| 47 | 95 self.config(bg='red',relief='sunken') |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
96 else: # unset |
| 47 | 97 self.config(bg=self._origbkg,relief='raised') |
|
30
e9d2e7754fd9
sideways subs, new x/y buttons (which don't draw right, but they work)
drewp
parents:
26
diff
changeset
|
98 return "break" |
| 47 | 99 |
| 100 if __name__=='__main__': | |
| 101 root=Tk() | |
| 102 root.tk_focusFollowsMouse() | |
| 103 iv=IntVar() | |
| 104 def cb(): | |
| 105 print "cb!" | |
| 106 t = Togglebutton(root,text="testbutton",command=cb,variable=iv) | |
| 107 t.pack() | |
| 108 Entry(root,textvariable=iv).pack() | |
| 109 root.mainloop() |