Mercurial > code > home > repos > light9
annotate light8/uihelpers.py @ 67:0bf7e664f913
window pos saving
| author | dmcc |
|---|---|
| date | Tue, 09 Jul 2002 09:27:47 +0000 |
| parents | 2508c6b7a4e0 |
| children | 57b3c454465a |
| 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 |
| 8 def make_frame(parent): | |
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9 f = Frame(parent, bd=0) |
| 0 | 10 f.pack(side='left') |
| 11 return f | |
| 12 | |
| 13 def bindkeys(root,key, func): | |
| 14 root.bind(key, func) | |
| 15 for w in root.winfo_children(): | |
| 16 w.bind(key, func) | |
| 17 | |
| 67 | 18 # def toplevelat(x,y,w=None,h=None): |
| 19 def toplevelat(name, windowpos): | |
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20 tl = Toplevel() |
| 67 | 21 |
| 22 if name in windowpos: | |
| 23 tkname, geom = windowpos[name] | |
| 24 tl.wm_geometry(geom) | |
| 25 windowpos[name] = str(tl), geom | |
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26 else: |
| 67 | 27 windowpos[name] = str(tl), '+0+0' |
| 28 | |
| 29 # if w and h: | |
| 30 # tl.wm_geometry("%dx%d+%d+%d" % (w,h,x,y)) | |
| 31 # else: | |
| 32 # tl.wm_geometry("+%d+%d" % (x,y)) | |
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33 return tl |
| 0 | 34 |
| 35 def toggle_slider(s): | |
| 36 if s.get() == 0: | |
| 37 s.set(100) | |
| 38 else: | |
| 39 s.set(0) | |
| 40 | |
| 41 # for lambda callbacks | |
| 42 def printout(t): | |
| 43 print t | |
| 58 | 44 |
| 45 def printevent(ev): | |
| 46 for k in dir(ev): | |
| 47 if not k.startswith('__'): | |
| 48 print k,getattr(ev,k) | |
| 49 print "" | |
| 0 | 50 |
| 58 | 51 def eventtoparent(ev,sequence): |
| 52 "passes an event to the parent" | |
| 53 evdict={} | |
| 54 for x in ['state', 'time', 'y', 'x', 'serial']: | |
| 55 evdict[x]=getattr(ev,x) | |
| 56 # evdict['button']=ev.num | |
| 57 par=ev.widget.winfo_parent() | |
| 58 if par!=".": | |
| 59 ev.widget.nametowidget(par).event_generate(sequence,**evdict) | |
| 60 #else the event made it all the way to the top, unhandled | |
| 61 | |
| 0 | 62 def colorlabel(label): |
| 63 """color a label based on its own text""" | |
| 64 txt=label['text'] or "0" | |
| 65 lev=float(txt)/100 | |
| 66 low=(80,80,180) | |
| 67 high=(255,55,050) | |
| 68 out = [int(l+lev*(h-l)) for h,l in zip(high,low)] | |
| 69 col="#%02X%02X%02X" % tuple(out) | |
| 70 label.config(bg=col) | |
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71 |
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72 # TODO: get everyone to use this |
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73 def colorfade(low, high, percent): |
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74 '''not foolproof. make sure 0 < percent < 1''' |
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75 out = [int(l+percent*(h-l)) for h,l in zip(high,low)] |
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76 col="#%02X%02X%02X" % tuple(out) |
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77 return col |
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78 |
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79 def colortotuple(anytkobj, colorname): |
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80 'pass any tk object and a color name, like "yellow"' |
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81 rgb = anytkobj.winfo_rgb(colorname) |
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82 return [v / 256 for v in rgb] |
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83 |
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84 class Togglebutton(Button): |
| 47 | 85 """works like a single radiobutton, but it's a button so the |
| 86 label's on the button face, not to the side. the optional command | |
| 87 callback is called on button set, not on unset. takes a variable | |
| 88 just like a checkbutton""" | |
| 52 | 89 def __init__(self,parent,variable=None,command=None,downcolor='red',**kw): |
| 47 | 90 |
| 91 self.oldcommand = command | |
| 92 Button.__init__(self,parent,command=self.invoke,**kw) | |
| 93 | |
| 94 self._origbkg = self.cget('bg') | |
| 52 | 95 self.downcolor = downcolor |
| 47 | 96 |
| 97 self._variable = variable | |
| 98 if self._variable: | |
| 99 self._variable.trace('w',self._varchanged) | |
| 100 self._setstate(self._variable.get()) | |
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101 else: |
| 47 | 102 self._setstate(0) |
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103 |
| 47 | 104 self.bind("<Return>",self.invoke) |
| 105 self.bind("<1>",self.invoke) | |
| 106 self.bind("<space>",self.invoke) | |
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107 |
| 47 | 108 def _varchanged(self,*args): |
| 109 self._setstate(self._variable.get()) | |
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110 |
| 47 | 111 def invoke(self,*ev): |
| 112 if self._variable: | |
| 113 self._variable.set(not self.state) | |
| 114 else: | |
| 115 self._setstate(not self.state) | |
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116 |
| 47 | 117 if self.oldcommand and self.state: # call command only when state goes to 1 |
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118 self.oldcommand() |
| 47 | 119 return "break" |
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120 |
| 47 | 121 def _setstate(self,newstate): |
| 122 self.state = newstate | |
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123 if newstate: # set |
| 52 | 124 self.config(bg=self.downcolor,relief='sunken') |
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125 else: # unset |
| 47 | 126 self.config(bg=self._origbkg,relief='raised') |
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127 return "break" |
| 47 | 128 |
| 129 if __name__=='__main__': | |
| 130 root=Tk() | |
| 131 root.tk_focusFollowsMouse() | |
| 132 iv=IntVar() | |
| 133 def cb(): | |
| 134 print "cb!" | |
| 135 t = Togglebutton(root,text="testbutton",command=cb,variable=iv) | |
| 136 t.pack() | |
| 137 Entry(root,textvariable=iv).pack() | |
| 138 root.mainloop() |