''' 
    self.current_buffer().set_text(u'\N{}')
'''

symbol_maps = [
    ['greek', [
        [u'\N{greek small letter alpha}', '\\alpha'],
        [u'\N{greek small letter beta}', '\\beta'],
        [u'\N{greek small letter gamma}', '\\gamma'],
        [u'\N{greek small letter delta}', '\\delta'],
        [u'\N{greek small letter epsilon}', '\\epsilon'],
        [u'\N{greek small letter zeta}', '\\zeta'],
        [u'\N{greek small letter eta}', '\\eta'],
        [u'\N{greek small letter theta}', '\\theta'],
        [u'\N{greek small letter iota}', '\\iota'],
        [u'\N{greek small letter kappa}', '\\kappa'],
        [u'\N{greek small letter lamda}', '\\lambda'],
        [u'\N{greek small letter mu}', '\\mu'],
        [u'\N{greek small letter nu}', '\\nu'],
        [u'\N{greek small letter xi}', '\\xi'],
        [u'\N{greek small letter pi}', '\\pi'],
        [u'\N{greek small letter rho}', '\\rho'],
        [u'\N{greek small letter sigma}', '\\sigma'],
        [u'\N{greek small letter tau}', '\\tau'],
        [u'\N{greek small letter upsilon}', '\\upsilon'],
        [u'\N{greek small letter phi}', '\\phi'],
        [u'\N{greek small letter chi}', '\\chi'],
        [u'\N{greek small letter psi}', '\\psi'],
        [u'\N{greek small letter omega}', '\\omega'],
    ]],
    ['Greek', [
        [u'\N{greek capital letter alpha}', '\\Alpha'],
        [u'\N{greek capital letter beta}', '\\Beta'],
        [u'\N{greek capital letter gamma}', '\\Gamma'],
        [u'\N{greek capital letter delta}', '\\Delta'],
        [u'\N{greek capital letter epsilon}', '\\Epsilon'],
        [u'\N{greek capital letter zeta}', '\\Zeta'],
        [u'\N{greek capital letter eta}', '\\Eta'],
        [u'\N{greek capital letter theta}', '\\Theta'],
        [u'\N{greek capital letter iota}', '\\Iota'],
        [u'\N{greek capital letter kappa}', '\\Kappa'],
        [u'\N{greek capital letter lamda}', '\\Lambda'],
        [u'\N{greek capital letter mu}', '\\Mu'],
        [u'\N{greek capital letter nu}', '\\Nu'],
        [u'\N{greek capital letter xi}', '\\Xi'],
        [u'\N{greek capital letter pi}', '\\Pi'],
        [u'\N{greek capital letter rho}', '\\Rho'],
        [u'\N{greek capital letter sigma}', '\\Sigma'],
        [u'\N{greek capital letter tau}', '\\Tau'],
        [u'\N{greek capital letter upsilon}', '\\Upsilon'],
        [u'\N{greek capital letter phi}', '\\Phi'],
        [u'\N{greek capital letter chi}', '\\Chi'],
        [u'\N{greek capital letter psi}', '\\Psi'],
        [u'\N{greek capital letter omega}', '\\Omega'],
    ]],
    ['Operators', [
        [u'\N{integral}', '\\int'],
        [u'\N{contour integral}', '\\oint'],
        [u'\N{there exists}', '\\exists'],
        [u'\N{for all}', '\\forall'],
    ]],
    ['Sets', [
        [u'\N{union}', '\\union'],
        [u'\N{intersection}', '\\intersect'],
        [u'\N{element of}', '\\in'],
        [u'\N{not an element of}', '\\notin'],
        [u'\N{subset of}', '\\subset'],
        [u'\N{not a subset of}', '\\notsubset'],
    ]],
    ['Functions', [
        ['log', '\\log'],
        ['ln', '\\ln'],
        ['sin', '\\sin'],
        ['cos', '\\cos'],
        ['tan', '\\tan'],
        ['cot', '\\cot'],
        ['exp', '\\exp'],
    ]],
    ['Modifiers', [
    ]],
    
]

N_COLUMNS = 10

def LaTeX(*a):
    '''
    '''
    Button = flauxtext.gtk.Button
    Table = flauxtext.gtk.Table
    Label = flauxtext.gtk.Label
    make_callback = lambda TeX: lambda *a: self.current_buffer().insert_at_cursor(TeX)
    
    w = flauxtext.gtk.Window()
    notebook = flauxtext.gtk.Notebook()
    w.add(notebook)
    
    for page_name, symbol_map in symbol_maps:
        table = Table()
        notebook.append_page(table, Label(page_name))
        for n, (symbol, TeX) in enumerate(symbol_map):
            button = Button(symbol)
            button.connect('clicked', make_callback(TeX))
            row, col = divmod(n, N_COLUMNS)
            table.attach(button, col, col + 1, row, row + 1)
    
    w.show_all()