168 lines
4.4 KiB
Python
168 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
|
||
# Relational
|
||
# Copyright (C) 2010 Salvo "LtWorf" Tomaselli
|
||
#
|
||
# Relational 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 3 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, see <http://www.gnu.org/licenses/>.
|
||
#
|
||
# author Salvo "LtWorf" Tomaselli <tiposchi@tiscali.it>
|
||
import curses
|
||
import curses.panel
|
||
import locale
|
||
import signal
|
||
import sys
|
||
from relational import *
|
||
|
||
|
||
def terminate(*a):
|
||
'''Restores the terminal and terminates'''
|
||
curses.nocbreak()
|
||
stdscr.keypad(0)
|
||
curses.echo()
|
||
curses.endwin()
|
||
|
||
sys.exit(0)
|
||
|
||
|
||
def main():
|
||
global stdscr
|
||
# Initializes the signal
|
||
signal.signal(signal.SIGINT, terminate)
|
||
|
||
# Initialize locale, to print unicode chars
|
||
locale.setlocale(locale.LC_ALL, "")
|
||
# Initializes curses
|
||
stdscr = curses.initscr()
|
||
curses.start_color()
|
||
curses.noecho()
|
||
curses.cbreak() # Handles keys immediately rather than awaiting for enter
|
||
stdscr.keypad(1)
|
||
termsize = stdscr.getmaxyx()
|
||
symselect = init_symbol_list(termsize)
|
||
|
||
lop = curses.panel.new_panel(stdscr)
|
||
|
||
win = curses.panel.new_panel(curses.newwin(termsize[0], termsize[1]))
|
||
|
||
# win.window().box()
|
||
win.window().addstr(0, (termsize[1] / 2) - 5, "Relational")
|
||
win.window().refresh()
|
||
# curses.napms(1000)
|
||
|
||
query = curses.panel.new_panel(curses.newwin(3, termsize[1], 1, 0))
|
||
query.window().box()
|
||
query.window().addstr(1, 1, "")
|
||
query.window().refresh()
|
||
# curses.napms(1000)
|
||
|
||
# win.show()
|
||
|
||
# curses.napms(1000)
|
||
|
||
# qq=curses.textpad.Textbox(stdscr)
|
||
'''win = curses.newwin(0, 0)#New windows for the entire screen
|
||
#stdscr.border(0)
|
||
stdscr.addstr(str(dir (win)))
|
||
|
||
#curses.init_pair(1, curses.COLOR_RED, curses.COLOR_BLACK)
|
||
#stdscr.addstr(0,0,"ciao",curses.color_pair(1))
|
||
|
||
stdscr.addstr(5, 30, "Welcome to Relational")#,curses.A_REVERSE)
|
||
stdscr.refresh()
|
||
|
||
stdscr.refresh()
|
||
curses.napms(300)
|
||
curses.flash()
|
||
curses.textpad.rectangle(win,0,0,5,10)'''
|
||
|
||
squery = ''
|
||
|
||
while True:
|
||
c = win.window().getch()
|
||
|
||
if c == 27: # Escape
|
||
squery += add_symbol(symselect)
|
||
|
||
# elif c==curses.KEY_BACKSPACE: #Delete
|
||
elif c == 13:
|
||
squery = squery[:-1]
|
||
else:
|
||
squery += chr(c)
|
||
|
||
query.window().box()
|
||
query.top()
|
||
query.window().addstr(1, 1, spaces(termsize[1] - 2))
|
||
query.window().addstr(1, 1, squery)
|
||
|
||
query.window().refresh()
|
||
|
||
|
||
def init_symbol_list(termsize, create=True):
|
||
|
||
if create:
|
||
p = curses.panel.new_panel(
|
||
curses.newwin(15, 16, 2, termsize[1] / 2 - 7))
|
||
else:
|
||
p = termsize
|
||
p.window().box()
|
||
# p.window().addstr(1,1,"\n8 \na \nb \n")
|
||
p.window().addstr(01, 2, "0 *")
|
||
p.window().addstr(02, 2, "1 -")
|
||
p.window().addstr(03, 2, "2 ᑌ")
|
||
p.window().addstr(04, 2, "3 ᑎ")
|
||
p.window().addstr(05, 2, "4 ᐅᐊ")
|
||
p.window().addstr(06, 2, "5 ᐅLEFTᐊ")
|
||
p.window().addstr(07, 2, "6 ᐅRIGHTᐊ")
|
||
p.window().addstr(8, 2, "7 ᐅFULLᐊ")
|
||
p.window().addstr(9, 2, "8 σ")
|
||
p.window().addstr(10, 2, "9 ρ")
|
||
p.window().addstr(11, 2, "a π")
|
||
p.window().addstr(12, 2, "b ➡")
|
||
p.window().addstr(13, 2, "")
|
||
|
||
# p.hide()
|
||
return p
|
||
|
||
|
||
def add_symbol(p):
|
||
'''Shows the panel to add a symbol
|
||
and then returns the choosen symbol itself'''
|
||
init_symbol_list(p, False)
|
||
|
||
d_ = {'0': '*', '1': '-', '2': 'ᑌ', '3': 'ᑎ', '4': 'ᐅᐊ', '5': 'ᐅLEFTᐊ',
|
||
'6': 'ᐅRIGHTᐊ', '7': 'ᐅFULLᐊ', '8': 'σ', '9': 'ρ', 'a': 'π', 'b': '➡'}
|
||
|
||
p.show()
|
||
p.top()
|
||
p.window().refresh()
|
||
c = p.window().getch()
|
||
|
||
p.hide()
|
||
p.window().refresh()
|
||
try:
|
||
char = d_[chr(c)]
|
||
except:
|
||
char = ''
|
||
return char
|
||
|
||
|
||
def spaces(t):
|
||
'''Returns a number of spaces specified t'''
|
||
s = ''
|
||
for i in range(t):
|
||
s += ' '
|
||
return s
|
||
if __name__ == '__main__':
|
||
main()
|
||
terminate()
|