mirror of https://github.com/python/cpython.git
Un PMW-ified
This commit is contained in:
Barry Warsaw
parent
04c7886764
commit
6a3ea7468e
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@ -1,6 +1,5 @@
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import string
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from Tkinter import *
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import Pmw
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import ColorDB
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# Load this script into the Tcl interpreter and call it in
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@ -88,33 +87,23 @@ def _x(self):
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class StripWidget(Pmw.MegaWidget):
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class StripWidget:
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_CHIPHEIGHT = 50
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_CHIPWIDTH = 10
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_NUMCHIPS = 40
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def __init__(self, parent=None, **kw):
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def __init__(self, switchboard,
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parent = None,
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color = (128, 128, 128),
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chipwidth = self._CHIPWIDTH,
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chipheight = self._CHIPHEIGHT,
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numchips = self._NUMCHIPS,
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generator = None,
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axis = None,
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label = ''):
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# the last chip selected
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self.__lastchip = None
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options = (('color', (128, 128, 128), self.__set_color),
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('delegate', None, self.__set_delegate),
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('chipwidth', self._CHIPWIDTH, Pmw.INITOPT),
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('chipheight', self._CHIPHEIGHT, Pmw.INITOPT),
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('numchips', self._NUMCHIPS, Pmw.INITOPT),
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('generator', None, Pmw.INITOPT),
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('axis', None, Pmw.INITOPT),
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('label', '', Pmw.INITOPT),
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)
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self.defineoptions(kw, options)
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Pmw.MegaWidget.__init__(self, parent)
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interiorarg = (self.interior(),)
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# group component contains a convas containing a bunch of objects
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# (moveable arrow + text label, relief'd rectangle color chips)
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chipwidth = self.__chipwidth = self['chipwidth']
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chipheight = self.__chipheight = self['chipheight']
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numchips = self.__numchips = self['numchips']
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self.__sb = switchboard
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canvaswidth = numchips * (chipwidth + 1)
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canvasheight = chipheight + 43 # TBD: Kludge
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@ -148,11 +137,10 @@ def __init__(self, parent=None, **kw):
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x, y, x+chipwidth, y+chipheight,
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fill=color, outline=color,
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tags=tags)
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x = x + chipwidth + 1 # for outline
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chips.append(color)
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# create the string tag
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# create the strip label
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self.__label = canvas.create_text(
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3, y + chipheight + 8,
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text=self['label'],
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@ -165,13 +153,13 @@ def __init__(self, parent=None, **kw):
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chipx = self.__arrow_x(len(chips) - 1)
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self.__rightarrow = RightArrow(canvas, chipx)
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self.__generator = self['generator']
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self.__axis = self['axis']
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self.__generator = generator
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self.__axis = axis
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assert self.__axis in (0, 1, 2)
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self.initialiseoptions(StripWidget)
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self.__delegate = self['delegate']
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self.__update_while_dragging = 0
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# Invoked when one of the chips is clicked. This should just tell the
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# switchboard to set the color on all the output components
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def __set_color(self):
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rgbtuple = self['color']
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self.set_color(self, rgbtuple)
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@ -210,26 +198,23 @@ def __trackarrow(self, chip, rgbtuple):
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color = self.__canvas.itemcget(self.__lastchip, 'fill')
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self.__canvas.itemconfigure(self.__lastchip, outline=color)
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self.__lastchip = chip
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# get the arrow's text
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coloraxis = rgbtuple[self.__axis]
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text = repr(coloraxis)
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# move the arrow, and set it's text
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if coloraxis <= 128:
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# use the left chip
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# use the left arrow
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self.__leftarrow.set_text(text)
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self.__leftarrow.move_to(self.__arrow_x(chip-1))
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self.__rightarrow.move_to(-100)
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else:
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# use the right chip
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# use the right arrow
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self.__rightarrow.set_text(text)
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self.__rightarrow.move_to(self.__arrow_x(chip-1))
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self.__leftarrow.move_to(-100)
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# and set the chip's outline
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pmwrgb = ColorDB.triplet_to_pmwrgb(rgbtuple)
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b = Pmw.Color.rgb2brightness(pmwrgb)
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if b <= 0.5:
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brightness = ColorDB.triplet_to_brightness(rgbtuple)
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if brightness <= 0.5:
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outline = 'white'
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else:
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outline = 'black'
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@ -240,15 +225,14 @@ def __trackarrow(self, chip, rgbtuple):
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# public interface
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#
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def set_color(self, obj, rgbtuple):
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red, green, blue = rgbtuple
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def update_yourself(self, red, green, blue):
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assert self.__generator
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i = 1
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chip = 0
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chips = self.__chips = []
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tclcmd = []
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tk = self.__canvas.tk
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# get the red, green, and blue components for all chips
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for t in self.__generator(self.__numchips, rgbtuple):
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rrggbb = ColorDB.triplet_to_rrggbb(t)
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chips.append(rrggbb)
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@ -259,9 +243,8 @@ def set_color(self, obj, rgbtuple):
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# call the raw tcl script
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colors = string.join(chips)
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tk.eval('setcolor %s {%s}' % (self.__canvas._w, colors))
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# move the arrows around
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self.__trackarrow(chip, rgbtuple)
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self.__trackarrow(chip, (red, green, blue))
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def set_update_while_dragging(self, flag):
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self.__update_while_dragging = flag
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