#!/usr/bin/env python # # Urwid Palette Test. Showing off highcolor support # Copyright (C) 2004-2009 Ian Ward # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # Urwid web site: http://excess.org/urwid/ """ Palette test. Shows the available foreground and background settings in monochrome, 16 color, 88 color, 256 color, and 24-bit (true) color modes. """ import re import sys import urwid import urwid.raw_display CHART_TRUE=""" #e50000#e51000#e52000#e53000#e54000#e55000#e56000#e57000#e58000#e59000\ #e5a000#e5b100#e5c100#e5d100#e5e100#d9e500#c9e500#b9e500#a9e500#99e500\ #89e500#79e500#68e500#58e500#48e500#38e500#28e500#18e500#08e500#00e507\ #00e517#00e527#00e538#00e548#00e558#00e568#00e578#00e588#00e598#00e5a8\ #00e5b8#00e5c8#00e5d8#00e1e5#00d1e5#00c1e5#00b1e5#00a1e5#0091e5#0081e5\ #0071e5#0061e5#0051e5#0040e5#0030e5#0020e5#0010e5#0000e5#0f00e5#1f00e5\ #2f00e5#3f00e5#4f00e5#5f00e5#7000e5#8000e5#9000e5#a000e5#b000e5#c000e5\ #d000e5#e000e5#e500da#e500ca#e500b9#e500a9#e50099#e50089 #da0000#da0f00#da1e00#da2e00#da3d00#da4c00#da5c00#da6b00#da7a00#da8a00\ #da9900#daa800#dab800#dac700#dad600#cfda00#c0da00#b0da00#a1da00#92da00\ #82da00#73da00#64da00#54da00#45da00#35da00#26da00#17da00#07da00#00da07\ #00da16#00da26#00da35#00da44#00da54#00da63#00da72#00da82#00da91#00daa0\ #00dab0#00dabf#00dace#00d7da#00c8da#00b8da#00a9da#0099da#008ada#007bda\ #006bda#005cda#004dda#003dda#002eda#001fda#000fda#0000da#0e00da#1e00da\ #2d00da#3c00da#4c00da#5b00da#6a00da#7a00da#8900da#9800da#a800da#b700da\ #c600da#d600da#da00cf#da00c0#da00b1#da00a1#da0092#da0083 #d00000#d00e00#d01d00#d02b00#d03a00#d04800#d05700#d06600#d07400#d08300\ #d09100#d0a000#d0af00#d0bd00#d0cc00#c5d000#b6d000#a8d000#99d000#8ad000\ #7cd000#6dd000#5fd000#50d000#41d000#33d000#24d000#16d000#07d000#00d007\ #00d015#00d024#00d032#00d041#00d04f#00d05e#00d06d#00d07b#00d08a#00d098\ #00d0a7#00d0b6#00d0c4#00ccd0#00bed0#00afd0#00a1d0#0092d0#0083d0#0075d0\ #0066d0#0058d0#0049d0#003ad0#002cd0#001dd0#000fd0#0000d0#0e00d0#1c00d0\ #2b00d0#3900d0#4800d0#5600d0#6500d0#7400d0#8200d0#9100d0#9f00d0#ae00d0\ #bd00d0#cb00d0#d000c5#d000b7#d000a8#d00099#d0008b#d0007c #c50000#c50d00#c51b00#c52900#c53700#c54500#c55300#c56000#c56e00#c57c00\ #c58a00#c59800#c5a600#c5b300#c5c100#bbc500#adc500#9fc500#91c500#83c500\ #75c500#68c500#5ac500#4cc500#3ec500#30c500#22c500#15c500#07c500#00c506\ 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#510059#580059#590055#59004f#590048#590042#59003c#590035 #4f0000#4f0500#4f0b00#4f1000#4f1600#4f1b00#4f2100#4f2600#4f2c00#4f3100\ #4f3700#4f3d00#4f4200#4f4800#4f4d00#4b4f00#454f00#3f4f00#3a4f00#344f00\ #2f4f00#294f00#244f00#1e4f00#194f00#134f00#0d4f00#084f00#024f00#004f02\ #004f08#004f0d#004f13#004f18#004f1e#004f23#004f29#004f2f#004f34#004f3a\ #004f3f#004f45#004f4a#004d4f#00484f#00424f#003d4f#00374f#00324f#002c4f\ #00274f#00214f#001b4f#00164f#00104f#000b4f#00054f#00004f#05004f#0a004f\ #10004f#16004f#1b004f#21004f#26004f#2c004f#31004f#37004f#3c004f#42004f\ #47004f#4d004f#4f004b#4f0045#4f0040#4f003a#4f0035#4f002f #440000#440400#440900#440e00#441300#441800#441c00#442100#442600#442b00\ #443000#443400#443900#443e00#444300#404400#3c4400#374400#324400#2d4400\ #284400#244400#1f4400#1a4400#154400#104400#0c4400#074400#024400#004402\ #004407#00440b#004410#004415#00441a#00441f#004423#004428#00442d#004432\ #004437#00443b#004440#004344#003e44#003944#003444#003044#002b44#002644\ #002144#001c44#001844#001344#000e44#000944#000444#000044#040044#090044\ #0e0044#130044#170044#1c0044#210044#260044#2b0044#2f0044#340044#390044\ #3e0044#430044#440041#44003c#440037#440032#44002d#440029 #390000#390400#390800#390c00#391000#391400#391800#391c00#392000#392400\ #392800#392c00#393000#393400#393800#363900#323900#2e3900#2a3900#263900\ #223900#1e3900#1a3900#163900#123900#0e3900#0a3900#063900#023900#003901\ #003905#00390a#00390e#003912#003916#00391a#00391e#003922#003926#00392a\ #00392e#003932#003936#003839#003439#003039#002c39#002839#002439#002039\ #001c39#001839#001439#001039#000c39#000839#000439#000039#030039#070039\ #0b0039#100039#140039#180039#1c0039#200039#240039#280039#2c0039#300039\ #340039#380039#390036#390032#39002e#39002a#390026#390022 #2e0000#2e0300#2e0600#2e0900#2e0d00#2e1000#2e1300#2e1700#2e1a00#2e1d00\ #2e2000#2e2400#2e2700#2e2a00#2e2e00#2c2e00#292e00#252e00#222e00#1f2e00\ #1c2e00#182e00#152e00#122e00#0e2e00#0b2e00#082e00#052e00#012e00#002e01\ #002e04#002e08#002e0b#002e0e#002e12#002e15#002e18#002e1b#002e1f#002e22\ #002e25#002e29#002e2c#002e2e#002a2e#00272e#00242e#00212e#001d2e#001a2e\ #00172e#00132e#00102e#000d2e#000a2e#00062e#00032e#00002e#03002e#06002e\ #09002e#0d002e#10002e#13002e#16002e#1a002e#1d002e#20002e#24002e#27002e\ #2a002e#2d002e#2e002c#2e0029#2e0026#2e0022#2e001f#2e001c #240000#240200#240500#240700#240a00#240c00#240f00#241100#241400#241600\ #241900#241b00#241e00#242100#242300#222400#1f2400#1d2400#1a2400#182400\ #152400#132400#102400#0e2400#0b2400#082400#062400#032400#012400#002401\ #002403#002406#002408#00240b#00240d#002410#002413#002415#002418#00241a\ #00241d#00241f#002422#002324#002124#001e24#001c24#001924#001624#001424\ #001124#000f24#000c24#000a24#000724#000524#000224#000024#020024#040024\ #070024#0a0024#0c0024#0f0024#110024#140024#160024#190024#1b0024#1e0024\ #200024#230024#240022#24001f#24001d#24001a#240018#240015 #190000#190100#190300#190500#190700#190800#190a00#190c00#190e00#191000\ #191100#191300#191500#191700#191900#181900#161900#141900#121900#111900\ #0f1900#0d1900#0b1900#091900#081900#061900#041900#021900#001900#001900\ #001902#001904#001906#001908#001909#00190b#00190d#00190f#001910#001912\ #001914#001916#001918#001919#001719#001519#001319#001119#001019#000e19\ #000c19#000a19#000919#000719#000519#000319#000119#000019#010019#030019\ #050019#070019#080019#0a0019#0c0019#0e0019#100019#110019#130019#150019\ #170019#180019#190018#190016#190014#190012#190011#19000f """ # raise Exception(CHART_TRUE) CHART_256 = """ brown__ dark_red_ dark_magenta_ dark_blue_ dark_cyan_ dark_green_ yellow_ light_red light_magenta light_blue light_cyan light_green #00f#06f#08f#0af#0df#0ff black_______ dark_gray___ #60f#00d#06d#08d#0ad#0dd#0fd light_gray__ white_______ #80f#60d#00a#06a#08a#0aa#0da#0fa #a0f#80d#60a#008#068#088#0a8#0d8#0f8 #d0f#a0d#80d#608#006#066#086#0a6#0d6#0f6 #f0f#d0d#a0a#808#606#000#060#080#0a0#0d0#0f0#0f6#0f8#0fa#0fd#0ff #f0d#d0a#a08#806#600#660#680#6a0#6d0#6f0#6f6#6f8#6fa#6fd#6ff#0df #f0a#d08#a06#800#860#880#8a0#8d0#8f0#8f6#8f8#8fa#8fd#8ff#6df#0af #f08#d06#a00#a60#a80#aa0#ad0#af0#af6#af8#afa#afd#aff#8df#6af#08f #f06#d00#d60#d80#da0#dd0#df0#df6#df8#dfa#dfd#dff#adf#8af#68f#06f #f00#f60#f80#fa0#fd0#ff0#ff6#ff8#ffa#ffd#fff#ddf#aaf#88f#66f#00f #fd0#fd6#fd8#fda#fdd#fdf#daf#a8f#86f#60f #66d#68d#6ad#6dd #fa0#fa6#fa8#faa#fad#faf#d8f#a6f#80f #86d#66a#68a#6aa#6da #f80#f86#f88#f8a#f8d#f8f#d6f#a0f #a6d#86a#668#688#6a8#6d8 #f60#f66#f68#f6a#f6d#f6f#d0f #d6d#a6a#868#666#686#6a6#6d6#6d8#6da#6dd #f00#f06#f08#f0a#f0d#f0f #d6a#a68#866#886#8a6#8d6#8d8#8da#8dd#6ad #d68#a66#a86#aa6#ad6#ad8#ada#add#8ad#68d #d66#d86#da6#dd6#dd8#dda#ddd#aad#88d#66d g78_g82_g85_g89_g93_g100 #da6#da8#daa#dad#a8d#86d g52_g58_g62_g66_g70_g74_ #88a#8aa #d86#d88#d8a#d8d#a6d g27_g31_g35_g38_g42_g46_g50_ #a8a#888#8a8#8aa #d66#d68#d6a#d6d g0__g3__g7__g11_g15_g19_g23_ #a88#aa8#aaa#88a #a88#a8a """ CHART_88 = """ brown__ dark_red_ dark_magenta_ dark_blue_ dark_cyan_ dark_green_ yellow_ light_red light_magenta light_blue light_cyan light_green #00f#08f#0cf#0ff black_______ dark_gray___ #80f#00c#08c#0cc#0fc light_gray__ white_______ #c0f#80c#008#088#0c8#0f8 #f0f#c0c#808#000#080#0c0#0f0#0f8#0fc#0ff #88c#8cc #f0c#c08#800#880#8c0#8f0#8f8#8fc#8ff#0cf #c8c#888#8c8#8cc #f08#c00#c80#cc0#cf0#cf8#cfc#cff#8cf#08f #c88#cc8#ccc#88c #f00#f80#fc0#ff0#ff8#ffc#fff#ccf#88f#00f #c88#c8c #fc0#fc8#fcc#fcf#c8f#80f #f80#f88#f8c#f8f#c0f g62_g74_g82_g89_g100 #f00#f08#f0c#f0f g0__g19_g35_g46_g52 """ CHART_16 = """ brown__ dark_red_ dark_magenta_ dark_blue_ dark_cyan_ dark_green_ yellow_ light_red light_magenta light_blue light_cyan light_green black_______ dark_gray___ light_gray__ white_______ """ ATTR_RE = re.compile("(?P[ \n]*)(?P(?:#[0-9A-Fa-f]{6})|(?:#[0-9A-Fa-f]{3})|(?:[^ \n]+))") LONG_ATTR = 7 SHORT_ATTR = 4 # length of short high-colour descriptions which may # be packed one after the next def parse_chart(chart, convert): """ Convert string chart into text markup with the correct attributes. chart -- palette chart as a string convert -- function that converts a single palette entry to an (attr, text) tuple, or None if no match is found """ out = [] for match in re.finditer(ATTR_RE, chart): if match.group('whitespace'): out.append(match.group('whitespace')) entry = match.group('entry') entry = entry.replace("_", " ") while entry: if chart == CHART_TRUE and len(entry) == LONG_ATTR: attrtext = convert(entry[:LONG_ATTR]) elen = LONG_ATTR else: elen = SHORT_ATTR attrtext = convert(entry[:SHORT_ATTR]) # try the first four characters if attrtext: entry = entry[elen:].strip() else: # try the whole thing attrtext = convert(entry.strip()) assert attrtext, "Invalid palette entry: %r" % entry elen = len(entry) entry = "" attr, text = attrtext if chart == CHART_TRUE: out.append((attr, u"\u2584")) else: out.append((attr, text.ljust(elen))) return out def foreground_chart(chart, background, colors): """ Create text markup for a foreground colour chart chart -- palette chart as string background -- colour to use for background of chart colors -- number of colors (88 or 256) """ def convert_foreground(entry): try: attr = urwid.AttrSpec(entry, background, colors) except urwid.AttrSpecError: return None return attr, entry return parse_chart(chart, convert_foreground) def background_chart(chart, foreground, colors): """ Create text markup for a background colour chart chart -- palette chart as string foreground -- colour to use for foreground of chart colors -- number of colors (88 or 256) This will remap 8 <= colour < 16 to high-colour versions in the hopes of greater compatibility """ def convert_background(entry): try: attr = urwid.AttrSpec(foreground, entry, colors) except urwid.AttrSpecError: return None # fix 8 <= colour < 16 if colors > 16 and attr.background_basic and \ attr.background_number >= 8: # use high-colour with same number entry = 'h%d'%attr.background_number attr = urwid.AttrSpec(foreground, entry, colors) return attr, entry return parse_chart(chart, convert_background) def main(): palette = [ ('header', 'black,underline', 'light gray', 'standout,underline', 'black,underline', '#88a'), ('panel', 'light gray', 'dark blue', '', '#ffd', '#00a'), ('focus', 'light gray', 'dark cyan', 'standout', '#ff8', '#806'), ] screen = urwid.raw_display.Screen() screen.register_palette(palette) lb = urwid.SimpleListWalker([]) chart_offset = None # offset of chart in lb list mode_radio_buttons = [] chart_radio_buttons = [] def fcs(widget): # wrap widgets that can take focus return urwid.AttrMap(widget, None, 'focus') def set_mode(colors, is_foreground_chart): # set terminal mode and redraw chart screen.set_terminal_properties(colors) screen.reset_default_terminal_palette() chart_fn = (background_chart, foreground_chart)[is_foreground_chart] if colors == 1: lb[chart_offset] = urwid.Divider() else: chart = {16: CHART_16, 88: CHART_88, 256: CHART_256, 2**24: CHART_TRUE}[colors] txt = chart_fn(chart, 'default', colors) lb[chart_offset] = urwid.Text(txt, wrap='clip') def on_mode_change(rb, state, colors): # if this radio button is checked if state: is_foreground_chart = chart_radio_buttons[0].state set_mode(colors, is_foreground_chart) def mode_rb(text, colors, state=False): # mode radio buttons rb = urwid.RadioButton(mode_radio_buttons, text, state) urwid.connect_signal(rb, 'change', on_mode_change, colors) return fcs(rb) def on_chart_change(rb, state): # handle foreground check box state change set_mode(screen.colors, state) def click_exit(button): raise urwid.ExitMainLoop() lb.extend([ urwid.AttrMap(urwid.Text("Urwid Palette Test"), 'header'), urwid.AttrMap(urwid.Columns([ urwid.Pile([ mode_rb("Monochrome", 1), mode_rb("16-Color", 16, True), mode_rb("88-Color", 88), mode_rb("256-Color", 256), mode_rb("24-bit Color", 2**24),]), urwid.Pile([ fcs(urwid.RadioButton(chart_radio_buttons, "Foreground Colors", True, on_chart_change)), fcs(urwid.RadioButton(chart_radio_buttons, "Background Colors")), urwid.Divider(), fcs(urwid.Button("Exit", click_exit)), ]), ]),'panel') ]) chart_offset = len(lb) lb.extend([ urwid.Divider() # placeholder for the chart ]) set_mode(16, True) # displays the chart def unhandled_input(key): if key in ('Q','q','esc'): raise urwid.ExitMainLoop() urwid.MainLoop(urwid.ListBox(lb), screen=screen, unhandled_input=unhandled_input).run() if __name__ == "__main__": main()