Mercurial > code > home > repos > light9
annotate light8/Xfader.py @ 134:f2f73a2171e6
many adjustments to the loops and timing
many adjustments to the loops and timing
now sends the hardware updates only when clients change, but at least 1Hz
new option to adjust the rate of the loop that considers sending changes (if
the lights have changed)
| author | drewp |
|---|---|
| date | Sat, 14 Jun 2003 14:59:09 +0000 |
| parents | e04f7b552bcd |
| children |
| rev | line source |
|---|---|
|
51
71489bb71528
- Meet Fader. He is going to grow up and be a crossfader some day
dmcc
parents:
4
diff
changeset
|
1 from Tix import * |
| 0 | 2 from __future__ import division |
| 3 | |
| 4 class Xfader(Canvas): | |
| 5 def __init__(self, scalelevelsIn): | |
| 6 global scalelevels | |
| 7 scalelevels=scalelevelsIn | |
| 8 self.checkbuttons={} | |
| 9 self.startcoord=None | |
| 10 def sub2(self,a,b): | |
| 11 return ( (a[0]-b[0]), (a[1]-b[1])) | |
| 12 def down(self,ev): | |
| 13 global scalelevels | |
| 14 self.startcoord=(ev.x,-ev.y) | |
| 15 self.startlevels = dict([(k,v.get()) for k,v in scalelevels.items()]) | |
| 16 # find the channel names of the selected subs | |
| 17 self.onchannel = { | |
| 18 'x':[x for x in scalelevels.keys() if self.checkbuttons[x]['x'].get()], | |
| 19 'y':[x for x in scalelevels.keys() if self.checkbuttons[x]['y'].get()] | |
| 20 } | |
| 21 | |
| 22 | |
| 23 #self.create_line(0,0,100,100,tag='transient') | |
| 24 | |
| 25 def getoriglevel(self,subname): | |
| 26 return self.startlevels[subname] | |
| 27 def up(self,ev): | |
| 28 self.startcoord=None | |
| 29 self.delete('transient') | |
| 30 # self.clearallbuttons() | |
| 31 def moved(self,ev): | |
| 32 if self.startcoord is None: | |
| 33 return | |
| 34 pos=(ev.x,-ev.y) | |
| 35 deltas= self.sub2(pos,self.startcoord) | |
| 36 for axis,delta in zip(('x','y'),deltas): | |
| 37 onchan=self.onchannel[axis] | |
| 38 for subn in onchan: | |
| 39 newlev = self.getoriglevel(subn) + 1.0*delta/75 | |
| 40 newlev = int(newlev*1000)/1000.0 | |
| 41 newlev = min(1.0,max(newlev,0.0)) | |
| 42 scalelevels[subn].set( newlev ) | |
| 43 def width(self): | |
| 44 return int(self['width']) | |
| 45 def height(self): | |
| 46 return int(self['height']) | |
| 47 def setupwidget(self,parent): | |
| 102 | 48 Canvas.__init__(self,parent,width=150,height=150,bg="grey40") |
| 0 | 49 self.pack(side='bottom') |
| 50 self.create_rectangle(5,5,self.width()-5,self.height()-5) | |
| 51 self.create_line(0,self.height()/2,150,self.height()/2) | |
| 52 self.create_line(self.width()/2,0,self.width()/2,self.height()) | |
| 53 self.bind("<ButtonPress-1>",self.down) | |
| 54 self.bind("<ButtonRelease-1>",self.up) | |
| 55 self.bind("<B1-Motion>",self.moved) | |
| 56 | |
| 57 def registerbutton(self,subname,axis,checkvar): | |
| 58 if subname not in self.checkbuttons: | |
| 59 self.checkbuttons[subname]={} | |
| 60 self.checkbuttons[subname][axis]=checkvar | |
| 61 def clearallbuttons(self, axis='both'): | |
| 62 for cb in self.checkbuttons.values(): | |
| 63 if axis == 'both': | |
| 64 for a in cb.values(): | |
| 65 a.set(0) | |
| 66 else: | |
| 67 cb[axis].set(0) | |
| 68 def grab(self,axis): | |
| 69 self.clearallbuttons(axis) | |
| 70 for n,sv in scalelevels.items(): | |
| 71 if sv.get() and n != 'blacklight': | |
| 72 self.checkbuttons[n][axis].set(1) | |
| 73 | |
| 74 |