Mercurial > code > home > repos > light9
annotate light8/uihelpers.py @ 69:ab0be21b549b
result of 7.9.2002 rehearsal
| author | dmcc |
|---|---|
| date | Thu, 11 Jul 2002 00:17:02 +0000 |
| parents | 57b3c454465a |
| children | 0969d8a6729d |
| 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', | |
| 69 | 14 'stage' : '823x683+37+030', |
| 15 'scenes' : '504x198+462+12', | |
| 16 | |
| 68 | 17 } |
| 18 | |
| 0 | 19 def make_frame(parent): |
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20 f = Frame(parent, bd=0) |
| 0 | 21 f.pack(side='left') |
| 22 return f | |
| 23 | |
| 24 def bindkeys(root,key, func): | |
| 25 root.bind(key, func) | |
| 26 for w in root.winfo_children(): | |
| 27 w.bind(key, func) | |
| 28 | |
| 67 | 29 # def toplevelat(x,y,w=None,h=None): |
| 68 | 30 def toplevelat(name, windowpos=None): |
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31 tl = Toplevel() |
| 67 | 32 |
| 68 | 33 tl.wm_geometry(windowlocations[name]) |
| 34 | |
| 35 # if name in windowpos: | |
| 36 # tkname, geom = windowpos[name] | |
| 37 # tl.wm_geometry(geom) | |
| 38 # windowpos[name] = str(tl), geom | |
| 67 | 39 |
| 40 # if w and h: | |
| 41 # tl.wm_geometry("%dx%d+%d+%d" % (w,h,x,y)) | |
| 42 # else: | |
| 43 # tl.wm_geometry("+%d+%d" % (x,y)) | |
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44 return tl |
| 0 | 45 |
| 46 def toggle_slider(s): | |
| 47 if s.get() == 0: | |
| 48 s.set(100) | |
| 49 else: | |
| 50 s.set(0) | |
| 51 | |
| 52 # for lambda callbacks | |
| 53 def printout(t): | |
| 54 print t | |
| 58 | 55 |
| 56 def printevent(ev): | |
| 57 for k in dir(ev): | |
| 58 if not k.startswith('__'): | |
| 59 print k,getattr(ev,k) | |
| 60 print "" | |
| 0 | 61 |
| 58 | 62 def eventtoparent(ev,sequence): |
| 63 "passes an event to the parent" | |
| 64 evdict={} | |
| 65 for x in ['state', 'time', 'y', 'x', 'serial']: | |
| 66 evdict[x]=getattr(ev,x) | |
| 67 # evdict['button']=ev.num | |
| 68 par=ev.widget.winfo_parent() | |
| 69 if par!=".": | |
| 70 ev.widget.nametowidget(par).event_generate(sequence,**evdict) | |
| 71 #else the event made it all the way to the top, unhandled | |
| 72 | |
| 0 | 73 def colorlabel(label): |
| 74 """color a label based on its own text""" | |
| 75 txt=label['text'] or "0" | |
| 76 lev=float(txt)/100 | |
| 77 low=(80,80,180) | |
| 78 high=(255,55,050) | |
| 79 out = [int(l+lev*(h-l)) for h,l in zip(high,low)] | |
| 80 col="#%02X%02X%02X" % tuple(out) | |
| 81 label.config(bg=col) | |
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82 |
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83 # TODO: get everyone to use this |
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84 def colorfade(low, high, percent): |
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85 '''not foolproof. make sure 0 < percent < 1''' |
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86 out = [int(l+percent*(h-l)) for h,l in zip(high,low)] |
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87 col="#%02X%02X%02X" % tuple(out) |
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88 return col |
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89 |
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90 def colortotuple(anytkobj, colorname): |
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91 'pass any tk object and a color name, like "yellow"' |
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92 rgb = anytkobj.winfo_rgb(colorname) |
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93 return [v / 256 for v in rgb] |
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94 |
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95 class Togglebutton(Button): |
| 47 | 96 """works like a single radiobutton, but it's a button so the |
| 97 label's on the button face, not to the side. the optional command | |
| 98 callback is called on button set, not on unset. takes a variable | |
| 99 just like a checkbutton""" | |
| 52 | 100 def __init__(self,parent,variable=None,command=None,downcolor='red',**kw): |
| 47 | 101 |
| 102 self.oldcommand = command | |
| 103 Button.__init__(self,parent,command=self.invoke,**kw) | |
| 104 | |
| 105 self._origbkg = self.cget('bg') | |
| 52 | 106 self.downcolor = downcolor |
| 47 | 107 |
| 108 self._variable = variable | |
| 109 if self._variable: | |
| 110 self._variable.trace('w',self._varchanged) | |
| 111 self._setstate(self._variable.get()) | |
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112 else: |
| 47 | 113 self._setstate(0) |
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114 |
| 47 | 115 self.bind("<Return>",self.invoke) |
| 116 self.bind("<1>",self.invoke) | |
| 117 self.bind("<space>",self.invoke) | |
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118 |
| 47 | 119 def _varchanged(self,*args): |
| 120 self._setstate(self._variable.get()) | |
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121 |
| 47 | 122 def invoke(self,*ev): |
| 123 if self._variable: | |
| 124 self._variable.set(not self.state) | |
| 125 else: | |
| 126 self._setstate(not self.state) | |
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127 |
| 47 | 128 if self.oldcommand and self.state: # call command only when state goes to 1 |
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129 self.oldcommand() |
| 47 | 130 return "break" |
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131 |
| 47 | 132 def _setstate(self,newstate): |
| 133 self.state = newstate | |
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134 if newstate: # set |
| 52 | 135 self.config(bg=self.downcolor,relief='sunken') |
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136 else: # unset |
| 47 | 137 self.config(bg=self._origbkg,relief='raised') |
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138 return "break" |
| 47 | 139 |
| 140 if __name__=='__main__': | |
| 141 root=Tk() | |
| 142 root.tk_focusFollowsMouse() | |
| 143 iv=IntVar() | |
| 144 def cb(): | |
| 145 print "cb!" | |
| 146 t = Togglebutton(root,text="testbutton",command=cb,variable=iv) | |
| 147 t.pack() | |
| 148 Entry(root,textvariable=iv).pack() | |
| 149 root.mainloop() |