Mercurial > code > home > repos > light9
annotate light8/uihelpers.py @ 68:57b3c454465a
result of 7.8.2002 run-through
| author | dmcc |
|---|---|
| date | Wed, 10 Jul 2002 00:39:14 +0000 |
| parents | 0bf7e664f913 |
| children | ab0be21b549b |
| rev | line source |
|---|---|
| 0 | 1 """all the tiny tk helper functions""" |
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| 47 | 3 from __future__ import nested_scopes |
| 0 | 4 from Tkinter import * |
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5 from Tix import * |
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6 from types import StringType |
| 0 | 7 |
| 68 | 8 windowlocations = { |
| 9 'sub' : '425x738+00+00', | |
| 10 'console' : '168x24+848+000', | |
| 11 'leveldisplay' : '144x340+870+400', | |
| 12 'cuefader' : '314x212+546+741', | |
| 13 'effect' : '24x24+0963+338', | |
| 14 'stage' : '823x683+117+030', | |
| 15 } | |
| 16 | |
| 0 | 17 def make_frame(parent): |
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18 f = Frame(parent, bd=0) |
| 0 | 19 f.pack(side='left') |
| 20 return f | |
| 21 | |
| 22 def bindkeys(root,key, func): | |
| 23 root.bind(key, func) | |
| 24 for w in root.winfo_children(): | |
| 25 w.bind(key, func) | |
| 26 | |
| 67 | 27 # def toplevelat(x,y,w=None,h=None): |
| 68 | 28 def toplevelat(name, windowpos=None): |
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29 tl = Toplevel() |
| 67 | 30 |
| 68 | 31 tl.wm_geometry(windowlocations[name]) |
| 32 | |
| 33 # if name in windowpos: | |
| 34 # tkname, geom = windowpos[name] | |
| 35 # tl.wm_geometry(geom) | |
| 36 # windowpos[name] = str(tl), geom | |
| 67 | 37 |
| 38 # if w and h: | |
| 39 # tl.wm_geometry("%dx%d+%d+%d" % (w,h,x,y)) | |
| 40 # else: | |
| 41 # tl.wm_geometry("+%d+%d" % (x,y)) | |
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42 return tl |
| 0 | 43 |
| 44 def toggle_slider(s): | |
| 45 if s.get() == 0: | |
| 46 s.set(100) | |
| 47 else: | |
| 48 s.set(0) | |
| 49 | |
| 50 # for lambda callbacks | |
| 51 def printout(t): | |
| 52 print t | |
| 58 | 53 |
| 54 def printevent(ev): | |
| 55 for k in dir(ev): | |
| 56 if not k.startswith('__'): | |
| 57 print k,getattr(ev,k) | |
| 58 print "" | |
| 0 | 59 |
| 58 | 60 def eventtoparent(ev,sequence): |
| 61 "passes an event to the parent" | |
| 62 evdict={} | |
| 63 for x in ['state', 'time', 'y', 'x', 'serial']: | |
| 64 evdict[x]=getattr(ev,x) | |
| 65 # evdict['button']=ev.num | |
| 66 par=ev.widget.winfo_parent() | |
| 67 if par!=".": | |
| 68 ev.widget.nametowidget(par).event_generate(sequence,**evdict) | |
| 69 #else the event made it all the way to the top, unhandled | |
| 70 | |
| 0 | 71 def colorlabel(label): |
| 72 """color a label based on its own text""" | |
| 73 txt=label['text'] or "0" | |
| 74 lev=float(txt)/100 | |
| 75 low=(80,80,180) | |
| 76 high=(255,55,050) | |
| 77 out = [int(l+lev*(h-l)) for h,l in zip(high,low)] | |
| 78 col="#%02X%02X%02X" % tuple(out) | |
| 79 label.config(bg=col) | |
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80 |
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81 # TODO: get everyone to use this |
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82 def colorfade(low, high, percent): |
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83 '''not foolproof. make sure 0 < percent < 1''' |
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84 out = [int(l+percent*(h-l)) for h,l in zip(high,low)] |
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85 col="#%02X%02X%02X" % tuple(out) |
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86 return col |
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87 |
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88 def colortotuple(anytkobj, colorname): |
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89 'pass any tk object and a color name, like "yellow"' |
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90 rgb = anytkobj.winfo_rgb(colorname) |
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91 return [v / 256 for v in rgb] |
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92 |
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93 class Togglebutton(Button): |
| 47 | 94 """works like a single radiobutton, but it's a button so the |
| 95 label's on the button face, not to the side. the optional command | |
| 96 callback is called on button set, not on unset. takes a variable | |
| 97 just like a checkbutton""" | |
| 52 | 98 def __init__(self,parent,variable=None,command=None,downcolor='red',**kw): |
| 47 | 99 |
| 100 self.oldcommand = command | |
| 101 Button.__init__(self,parent,command=self.invoke,**kw) | |
| 102 | |
| 103 self._origbkg = self.cget('bg') | |
| 52 | 104 self.downcolor = downcolor |
| 47 | 105 |
| 106 self._variable = variable | |
| 107 if self._variable: | |
| 108 self._variable.trace('w',self._varchanged) | |
| 109 self._setstate(self._variable.get()) | |
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110 else: |
| 47 | 111 self._setstate(0) |
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112 |
| 47 | 113 self.bind("<Return>",self.invoke) |
| 114 self.bind("<1>",self.invoke) | |
| 115 self.bind("<space>",self.invoke) | |
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116 |
| 47 | 117 def _varchanged(self,*args): |
| 118 self._setstate(self._variable.get()) | |
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119 |
| 47 | 120 def invoke(self,*ev): |
| 121 if self._variable: | |
| 122 self._variable.set(not self.state) | |
| 123 else: | |
| 124 self._setstate(not self.state) | |
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125 |
| 47 | 126 if self.oldcommand and self.state: # call command only when state goes to 1 |
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127 self.oldcommand() |
| 47 | 128 return "break" |
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129 |
| 47 | 130 def _setstate(self,newstate): |
| 131 self.state = newstate | |
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132 if newstate: # set |
| 52 | 133 self.config(bg=self.downcolor,relief='sunken') |
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134 else: # unset |
| 47 | 135 self.config(bg=self._origbkg,relief='raised') |
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136 return "break" |
| 47 | 137 |
| 138 if __name__=='__main__': | |
| 139 root=Tk() | |
| 140 root.tk_focusFollowsMouse() | |
| 141 iv=IntVar() | |
| 142 def cb(): | |
| 143 print "cb!" | |
| 144 t = Togglebutton(root,text="testbutton",command=cb,variable=iv) | |
| 145 t.pack() | |
| 146 Entry(root,textvariable=iv).pack() | |
| 147 root.mainloop() |