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"""DetailsViewer class. This class implements a pure input window which allows you to meticulously edit the current color. You have both mouse control of the color (via the buttons along the bottom row), and there are keyboard bindings for each of the increment/decrement buttons. The top three check buttons allow you to specify which of the three color variations are tied together when incrementing and decrementing. Red, green, and blue are self evident. By tying together red and green, you can modify the yellow level of the color. By tying together red and blue, you can modify the magenta level of the color. By tying together green and blue, you can modify the cyan level, and by tying all three together, you can modify the grey level. The behavior at the boundaries (0 and 255) are defined by the `At boundary' option menu: Stop When the increment or decrement would send any of the tied variations out of bounds, the entire delta is discarded. Wrap Around When the increment or decrement would send any of the tied variations out of bounds, the out of bounds variation is wrapped around to the other side. Thus if red were at 238 and 25 were added to it, red would have the value 7. Preseve Distance When the increment or decrement would send any of the tied variations out of bounds, all tied variations are wrapped as one, so as to preserve the distance between them. Thus if green and blue were tied, and green was at 238 while blue was at 223, and an increment of 25 were applied, green would be at 15 and blue would be at 0. Squash When the increment or decrement would send any of the tied variations out of bounds, the out of bounds variation is set to the ceiling of 255 or floor of 0, as appropriate. In this way, all tied variations are squashed to one edge or the other. The following key bindings can be used as accelerators. Note that Pynche can fall behind if you hold the key down as a key repeat: Left arrow == -1 Right arrow == +1 Control + Left == -10 Control + Right == 10 Shift + Left == -25 Shift + Right == +25 """ from Tkinter import * STOP = 'Stop' WRAP = 'Wrap Around' RATIO = 'Preserve Distance' GRAV = 'Squash' ADDTOVIEW = 'Details Window...'  class DetailsViewer: def __init__(self, switchboard, master=None): self.__sb = switchboard optiondb = switchboard.optiondb() self.__red, self.__green, self.__blue = switchboard.current_rgb() # GUI root = self.__root = Toplevel(master, class_='Pynche') root.protocol('WM_DELETE_WINDOW', self.withdraw) root.title('Pynche Details Window') root.iconname('Pynche Details Window') root.bind('<Alt-q>', self.__quit) root.bind('<Alt-Q>', self.__quit) root.bind('<Alt-w>', self.withdraw) root.bind('<Alt-W>', self.withdraw) # accelerators root.bind('<KeyPress-Left>', self.__minus1) root.bind('<KeyPress-Right>', self.__plus1) root.bind('<Control-KeyPress-Left>', self.__minus10) root.bind('<Control-KeyPress-Right>', self.__plus10) root.bind('<Shift-KeyPress-Left>', self.__minus25) root.bind('<Shift-KeyPress-Right>', self.__plus25) # # color ties frame = self.__frame = Frame(root) frame.pack(expand=YES, fill=X) self.__l1 = Label(frame, text='Move Sliders:') self.__l1.grid(row=1, column=0, sticky=E) self.__rvar = IntVar() self.__rvar.set(optiondb.get('RSLIDER', 4)) self.__radio1 = Checkbutton(frame, text='Red', variable=self.__rvar, command=self.__effect, onvalue=4, offvalue=0) self.__radio1.grid(row=1, column=1, sticky=W) self.__gvar = IntVar() self.__gvar.set(optiondb.get('GSLIDER', 2)) self.__radio2 = Checkbutton(frame, text='Green', variable=self.__gvar, command=self.__effect, onvalue=2, offvalue=0) self.__radio2.grid(row=2, column=1, sticky=W) self.__bvar = IntVar() self.__bvar.set(optiondb.get('BSLIDER', 1)) self.__radio3 = Checkbutton(frame, text='Blue', variable=self.__bvar, command=self.__effect, onvalue=1, offvalue=0) self.__radio3.grid(row=3, column=1, sticky=W) self.__l2 = Label(frame) self.__l2.grid(row=4, column=1, sticky=W) self.__effect() # # Boundary behavior self.__l3 = Label(frame, text='At boundary:') self.__l3.grid(row=5, column=0, sticky=E) self.__boundvar = StringVar() self.__boundvar.set(optiondb.get('ATBOUND', STOP)) self.__omenu = OptionMenu(frame, self.__boundvar, STOP, WRAP, RATIO, GRAV) self.__omenu.grid(row=5, column=1, sticky=W) self.__omenu.configure(width=17) # # Buttons frame = self.__btnframe = Frame(frame) frame.grid(row=0, column=0, columnspan=2, sticky='EW') self.__down25 = Button(frame, text='-25', command=self.__minus25) self.__down10 = Button(frame, text='-10', command=self.__minus10) self.__down1 = Button(frame, text='-1', command=self.__minus1) self.__up1 = Button(frame, text='+1', command=self.__plus1) self.__up10 = Button(frame, text='+10', command=self.__plus10) self.__up25 = Button(frame, text='+25', command=self.__plus25) self.__down25.pack(expand=YES, fill=X, side=LEFT) self.__down10.pack(expand=YES, fill=X, side=LEFT) self.__down1.pack(expand=YES, fill=X, side=LEFT) self.__up1.pack(expand=YES, fill=X, side=LEFT) self.__up10.pack(expand=YES, fill=X, side=LEFT) self.__up25.pack(expand=YES, fill=X, side=LEFT) def __effect(self, event=None): tie = self.__rvar.get() + self.__gvar.get() + self.__bvar.get() if tie in (0, 1, 2, 4): text = '' else: text = '(= %s Level)' % {3: 'Cyan', 5: 'Magenta', 6: 'Yellow', 7: 'Grey'}[tie] self.__l2.configure(text=text) def __quit(self, event=None): self.__root.quit() def withdraw(self, event=None): self.__root.withdraw() def deiconify(self, event=None): self.__root.deiconify() def __minus25(self, event=None): self.__delta(-25) def __minus10(self, event=None): self.__delta(-10) def __minus1(self, event=None): self.__delta(-1) def __plus1(self, event=None): self.__delta(1) def __plus10(self, event=None): self.__delta(10) def __plus25(self, event=None): self.__delta(25) def __delta(self, delta): tie = [] if self.__rvar.get(): red = self.__red + delta tie.append(red) else: red = self.__red if self.__gvar.get(): green = self.__green + delta tie.append(green) else: green = self.__green if self.__bvar.get(): blue = self.__blue + delta tie.append(blue) else: blue = self.__blue # now apply at boundary behavior atbound = self.__boundvar.get() if atbound == STOP: if red < 0 or green < 0 or blue < 0 or \ red > 255 or green > 255 or blue > 255: # then red, green, blue = self.__red, self.__green, self.__blue elif atbound == WRAP or (atbound == RATIO and len(tie) < 2): if red < 0: red += 256 if green < 0: green += 256 if blue < 0: blue += 256 if red > 255: red -= 256 if green > 255: green -= 256 if blue > 255: blue -= 256 elif atbound == RATIO: # for when 2 or 3 colors are tied together dir = 0 for c in tie: if c < 0: dir = -1 elif c > 255: dir = 1 if dir == -1: delta = max(tie) if self.__rvar.get(): red = red + 255 - delta if self.__gvar.get(): green = green + 255 - delta if self.__bvar.get(): blue = blue + 255 - delta elif dir == 1: delta = min(tie) if self.__rvar.get(): red = red - delta if self.__gvar.get(): green = green - delta if self.__bvar.get(): blue = blue - delta elif atbound == GRAV: if red < 0: red = 0 if green < 0: green = 0 if blue < 0: blue = 0 if red > 255: red = 255 if green > 255: green = 255 if blue > 255: blue = 255 self.__sb.update_views(red, green, blue) self.__root.update_idletasks() def update_yourself(self, red, green, blue): self.__red = red self.__green = green self.__blue = blue def save_options(self, optiondb): optiondb['RSLIDER'] = self.__rvar.get() optiondb['GSLIDER'] = self.__gvar.get() optiondb['BSLIDER'] = self.__bvar.get() optiondb['ATBOUND'] = self.__boundvar.get()