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#!/usr/bin/env python
# coding=utf-8
'''
gMathEditor, mathematic expressions editor
Copyright (C) 2007 Guillaume Seguin <guillaume@segu.in>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
'''
import pygtk
pygtk.require ("2.0")
import gtk
import gmathview
import gmathselector
# FIXME: we need a kind of parser which generates this list automagically
SYMBOLS = {
"Characters" : ["alpha", "beta", "gamma"],
"Symbols" : ["integral", "sum", "product", "union", "intersection"],
"Operators" : ["frac"]
}
def load_selector_symbols (selector):
global SYMBOLS
def load_symbol (symbol, category):
if type (symbol) == type (()):
selector.add_symbol (symbol[0], symbol[1], category)
else:
selector.add_symbol (symbol, "", category)
def load_category_symbols ((category, symbols)):
map (lambda symbol: load_symbol (symbol, category), symbols)
map (load_category_symbols, SYMBOLS.items ())
class gMathEditor (gtk.Window):
'''Mathematic expressions editor'''
main_box = None
menubar = None
mathview = None
mathselector = None
statusbar = None
def __init__ (self):
'''Initialize UI'''
gtk.Window.__init__ (self)
self.set_default_size (300, 200)
self.set_title ("gMathEditor")
self.connect ("delete-event", gtk.main_quit)
# Main vertical box
self.main_box = gtk.VBox ()
self.add (self.main_box)
# Menu bar
self.menu_bar = gtk.MenuBar ()
self.main_box.pack_start (self.menu_bar, False, False)
# gMathSelector editor widget
self.mathselector = gmathselector.MathSelector ()
load_selector_symbols (self.mathselector)
self.main_box.pack_start (self.mathselector, False, False)
self.mathselector.connect ("symbol-selected", self.symbol_selected_cb)
self.main_box.pack_start (gtk.HSeparator (), False, False)
# gMathView editor widget
self.mathview = gmathview.MathView ()
self.mathview.set_editor_mode (True)
self.main_box.pack_start (self.mathview, False, False)
# Status bar
self.status_bar = gtk.Statusbar ()
self.main_box.pack_end (self.status_bar, False, False)
self.main_box.show_all ()
def symbol_selected_cb (self, selector, symbol):
print symbol
if __name__ == "__main__":
editor = gMathEditor ()
editor.show ()
try:
gtk.main ()
except KeyboardInterrupt:
pass
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