light9 Changeset - d5deeed83228

Changeset - d5deeed83228

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drewp - 22 years ago 2002-07-13 03:27:19

FancyDoubleVar is a DoubleVar where you can temporarily disable the callbacks
FancyDoubleVar is a DoubleVar where you can temporarily disable the callbacks
(at least the ones you made in python)

3 files changed with 26 insertions and 2 deletions:

light8/Lightboard.py

light8/panels.py

light8/uihelpers.py

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light8/Lightboard.py

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@@ @@ -156,13 +156,16 @@ class Lightboard: @@
         levels = [int(l) for l in levels]
         # load levels from external sliders
         extlevels = self.slidermapper.get_levels()
         for name, val in extlevels.items():
             if name in self.scalelevels:
                 self.scalelevels[name].set(val)
                 sl = self.scalelevels[name]
                 sl.disable_traces()
                 sl.set(val)
                 sl.recreate_traces()
         for lev,lab,oldlev,numlab in zip(levels, self.channel_levels,
                                          self.oldlevels,
                                          self.leveldisplay.number_labels):
             if lev != oldlev:
                 lab.config(text="%d" % lev) # update labels in lev display

light8/panels.py

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@@ @@ -132,13 +132,13 @@ class Subpanels: @@
             f.pack(fill='both',exp=1,side=side2)
             # make DoubleVar (there might be one left around from
             # before a refresh)
             if name not in scalelevels:
-                scalelevels[name]=DoubleVar()
+                scalelevels[name]=FancyDoubleVar()
             sub.set_slider_var(scalelevels[name])
             scaleopts = {'troughcolor' : 'grey70'}
             if sub.color:
                 scaleopts['troughcolor'] = sub.color

light8/uihelpers.py

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@@ @@ -150,12 +150,33 @@ class Togglebutton(Button): @@
         if newstate: # set
             self.config(bg=self.downcolor,relief='sunken')
         else: # unset
             self.config(bg=self._origbkg,relief='raised')
         return "break"
 class FancyDoubleVar(DoubleVar):
     def __init__(self,master=None):
         DoubleVar.__init__(self,master)
         self.callbacklist = {}
     def trace_variable(self,mode,callback):
         # we build a list of the trace callbacks (the py functrions and the tcl functionnames)
         id=DoubleVar.trace_variable(self,mode,callback)
         self.callbacklist[id]= [mode,callback]
         return id
     def disable_traces(self):
         for k,v in self.callbacklist.items():
             self.trace_vdelete(v[0],k)
     def recreate_traces(self):
         for k,v in self.callbacklist.items():
             self.trace_variable(v[0],v[1])
 if __name__=='__main__':
     root=Tk()
     root.tk_focusFollowsMouse()
     iv=IntVar()
     def cb():
         print "cb!"

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