(g)Vim - výběr barvy

function! ColorChooser()
python << endpython

import vim
import gtk, sys

def tohex(c):
    #Convert to hex string
    #little hack to fix bug
    s = ['#',hex(int(c[0]*256))[2:].zfill(2),hex(int(c[1]*256))[2:].zfill(2),hex(int(c[2]*256))[2:].zfill(2)]
    for item in enumerate(s):
        if item[1]=='100':
            s[item[0]]='ff'
    return ''.join(s).upper()

print 'Choosing color...'

csd = gtk.ColorSelectionDialog('Gnome Color Chooser')
cs = csd.colorsel
cs.set_has_opacity_control(False)
cs.set_current_alpha(65536)
cs.set_has_palette(True)

vim.command("let save_cursor = getpos('.')")  # save cursor position
vim.command("let l:save_z = @z")  # backup register z
vim.command(':normal ebh"zy2w')
color = vim.eval("@z")
vim.command("let @z = l:save_z")  # restore register z

try:
    parsed_color = gtk.gdk.color_parse(color)
except (ValueError, TypeError):  # not on a valid hexcode -> inserting new one
    cs.set_current_color(gtk.gdk.color_parse("#000")) 
    vim.command("call setpos('.', save_cursor)")  # restore cursor position
    parsed_ok = False
else:  # changing the hexcode under cursor
    cs.set_current_color(parsed_color)
    parsed_ok = True

if csd.run()==gtk.RESPONSE_OK:
    c = cs.get_current_color()
    hexcolor = tohex((c.red/65536.0, c.green/65536.0, c.blue/65536.0)) 
    if parsed_ok:  # changing hexcode under cursor -> delete old hexcode
        vim.command(":normal d2w")
    vim.command(":normal i%s" % hexcolor)

csd.destroy()

# clear status bar
vim.command(":redraw")
print ""

endpython
endfunction

:map <F2> :call ColorChooser()<enter>