light9 Changeset - c65119b66b00

Changeset - c65119b66b00

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dmcc - 23 years ago 2002-07-07 06:01:57

- no more kw args -- they didn't do anything. use configure to change
- no more kw args -- they didn't do anything. use configure to change
things instead.
- colortrough on the way to a more generic color fader, now called
colorfade
- get/set methods make FlyingFader seem more like a Scale

1 file changed with 11 insertions and 5 deletions:

Widgets/FlyingFader.py

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Widgets/FlyingFader.py

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 from Tkinter import *
 from time import time
 class FlyingFader(Frame):
     def __init__(self, master, variable, label, time=1.5, font=('Arial', 8),
                  **kw):
     def __init__(self, master, variable, label, time=1.5, font=('Arial', 8)):
         Frame.__init__(self, master)
         self.name = label
         self.variable = variable
         self.fadelength = time
         self.curfade = None
         self.fadetimes = 0, 0
         self.config({'bd':1, 'relief':'raised'})
         self.scale = Scale(self, variable=variable, showvalue=0, from_=100,
             to_=0, res=0.1, width=20, length=200)
         self.vlabel = Label(self, text="0.0", font=font)
         self.label = Label(self, text=label, wraplength=40, font=font)
@@ @@ -22,24 +21,25 @@ class FlyingFader(Frame): @@
         self.scale.pack(side=TOP, expand=1, fill=BOTH, anchor='c')
         self.vlabel.pack(side=BOTTOM, expand=0, fill=X)
         self.label.pack(side=BOTTOM, expand=0, fill=X)
         for k in range(1, 10):
             self.scale.bind("<Key-%d>" % k,
                 lambda evt, k=k: self.newfade(k * 10, evt))
         self.scale.bind("<Key-0>", lambda evt: self.newfade(100, evt))
         self.scale.bind("<grave>", lambda evt: self.newfade(0, evt))
         self.scale.bind("<1>", self.cancelfade)
         self.scale.bind("<2>", self.cancelfade)
         self.scale.bind("<3>", self.mousefade)
         self.variable.trace('w', self.updatelabel)
     def cancelfade(self, evt):
         self.fadetimes = 0, 0
         self.curfade = 0, self.variable.get()
         self.scale['troughcolor'] = self.oldtrough
     def mousefade(self, evt):
         target = float(self.tk.call(self.scale, 'get', evt.x, evt.y))
         self.newfade(target, evt)
@@ @@ -64,41 +64,47 @@ class FlyingFader(Frame): @@
     def gofade(self):
         now = time()
         start, end = self.fadetimes
         lstart, lend = self.curfade
         if now > end:
             self.fadetimes = 0, 0
             self.variable.set(lend)
             self.scale['troughcolor'] = self.oldtrough
             return
         percent = (now - start) / (end - start)
         newvalue = (percent * (lend - lstart)) + lstart
         self.variable.set(newvalue)
-        colortrough(self.scale, percent)
+        colorfade(self.scale, percent)
         self.after(10, self.gofade)
     def updatelabel(self, *args):
         self.vlabel['text'] = "%.1f" % self.variable.get()
         if self.fadetimes[1] == 0: # no fade
             self.vlabel['fg'] = 'black'
         elif self.curfade[1] > self.curfade[0]:
             self.vlabel['fg'] = 'red'
         else:
             self.vlabel['fg'] = 'blue'
     def get(self):
         return self.scale.get()
 def colortrough(scale, lev):
     def set(self, val):
         self.scale.set(val)
 def colorfade(scale, lev):
     low = (255, 255, 255)
     high = (0, 0, 0)
     out = [int(l+lev*(h-l)) for h,l in zip(high,low)]
+    out = [int(l+lev*(h-l)) for h, l in zip(high,low)]
     col="#%02X%02X%02X" % tuple(out)
     scale.config(troughcolor=col)
 if __name__ == '__main__':
     root = Tk()
     root.tk_focusFollowsMouse()
     FlyingFader(root, variable=DoubleVar(), label="suck").pack(side=LEFT,
         expand=1, fill=BOTH)
     FlyingFader(root, variable=DoubleVar(), label="moof").pack(side=LEFT,
         expand=1, fill=BOTH)
     FlyingFader(root, variable=DoubleVar(), label="zarf").pack(side=LEFT,

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