iframe-proxy | Sunbelt Computer Software

History

125 lines (109 loc) · 3.67 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

"""Color chooser implementing (almost) the tkColorColor interface

"""

import os

import Main

import ColorDB

class Chooser:

"""Ask for a color"""

def __init__(self,

master = None,

databasefile = None,

initfile = None,

ignore = None,

wantspec = None):

self.__master = master

self.__databasefile = databasefile

self.__initfile = initfile or os.path.expanduser('~/.pynche')

self.__ignore = ignore

self.__pw = None

self.__wantspec = wantspec

def show(self, color, options):

# scan for options that can override the ctor options

self.__wantspec = options.get('wantspec', self.__wantspec)

dbfile = options.get('databasefile', self.__databasefile)

# load the database file

colordb = None

if dbfile != self.__databasefile:

colordb = ColorDB.get_colordb(dbfile)

if not self.__master:

from tkinter import Tk

self.__master = Tk()

if not self.__pw:

self.__pw, self.__sb = \

Main.build(master = self.__master,

initfile = self.__initfile,

ignore = self.__ignore)

else:

self.__pw.deiconify()

# convert color

if colordb:

self.__sb.set_colordb(colordb)

else:

colordb = self.__sb.colordb()

if color:

r, g, b = Main.initial_color(color, colordb)

self.__sb.update_views(r, g, b)

# reset the canceled flag and run it

self.__sb.canceled(0)

Main.run(self.__pw, self.__sb)

rgbtuple = self.__sb.current_rgb()

self.__pw.withdraw()

# check to see if the cancel button was pushed

if self.__sb.canceled_p():

return None, None

# Try to return the color name from the database if there is an exact

# match, otherwise use the "#rrggbb" spec. BAW: Forget about color

# aliases for now, maybe later we should return these too.

name = None

if not self.__wantspec:

try:

name = colordb.find_byrgb(rgbtuple)[0]

except ColorDB.BadColor:

pass

if name is None:

name = ColorDB.triplet_to_rrggbb(rgbtuple)

return rgbtuple, name

def save(self):

if self.__sb:

self.__sb.save_views()

# convenience stuff

_chooser = None

def askcolor(color = None, **options):

"""Ask for a color"""

global _chooser

if not _chooser:

_chooser = Chooser(**options)

return _chooser.show(color, options)

def save():

global _chooser

if _chooser:

_chooser.save()

# test stuff

if __name__ == '__main__':

from tkinter import *

class Tester:

def __init__(self):

self.__root = tk = Tk()

b = Button(tk, text='Choose Color...', command=self.__choose)

b.pack()

self.__l = Label(tk)

self.__l.pack()

q = Button(tk, text='Quit', command=self.__quit)

q.pack()

def __choose(self, event=None):

rgb, name = askcolor(master=self.__root)

if rgb is None:

text = 'You hit CANCEL!'

else:

r, g, b = rgb

text = 'You picked %s (%3d/%3d/%3d)' % (name, r, g, b)

self.__l.configure(text=text)

def __quit(self, event=None):

self.__root.quit()

def run(self):

self.__root.mainloop()

t = Tester()

t.run()

# simpler

## print 'color:', askcolor()

Sunbelt Computer Software

PL/B Language Development and Support

Navigation Menu

Uh oh!

Sunbelt Computer Software

PL/B Language Development and Support

Uh oh!

FilesExpand file tree

pyColorChooser.py

Latest commit

History

pyColorChooser.py

File metadata and controls