Mercurial > libervia-backend
diff frontends/sortilege_old/editbox.py @ 112:f551e44adb25
Primitivus first draft
- Sortilège is recoded using urwid, and renamed in Primitivus as it is no more based on curses
- soritlege code moved to sortilege_old, and deprecated
- Primitivus first draft, begining of ProfileManager widget
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 30 Jun 2010 14:24:24 +0800 |
parents | frontends/sortilege/editbox.py@a5b5fb5fc9fd |
children | b1794cbb88e5 |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/frontends/sortilege_old/editbox.py Wed Jun 30 14:24:24 2010 +0800 @@ -0,0 +1,176 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +""" +sortilege: a SAT frontend +Copyright (C) 2009, 2010 Jérôme Poisson (goffi@goffi.org) + +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 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/>. +""" + + +import curses +from curses import ascii +from window import Window + +def C(k): + """return the value of Ctrl+key""" + return ord(ascii.ctrl(k)) + +def A(k): + """return the value of Alt+key""" + return ord(ascii.alt(k)) + +class EditBox(Window): + """This class manage the edition of text""" + + def __init__(self, parent, header, code="utf-8"): + self.__header=header + self.__text = unicode() + self.__curs_pos=0 + self.__buffer=str() + self.__replace_mode=False + self.__parent=parent + self.__code=code + + Window.__init__(self, self.__parent, 1, self.__parent.getmaxyx()[1], self.__parent.getmaxyx()[0]-1,0, code=code) + self.update() + + def registerEnterCB(self, CB): + self.__enterCB=CB + + def resizeAdapt(self): + """Adapt window size to self.__parent size. + Must be called when self.__parent is resized.""" + self.resize(1, self.__parent.getmaxyx()[1], self.__parent.getmaxyx()[0]-1,0) + self.update() + + def __getTextToPrint(self): + """return the text printed on the edit line""" + width = self.rWidth - len(self.__header) -1 + if self.__curs_pos<width: + begin = 0 + end = width + else: + begin = self.__curs_pos-width + end = self.__curs_pos + return self.__header+self.__text[begin:end] + + def update(self): + Window.update(self) + text = self.__getTextToPrint() + self.addYXStr(0, 0, text, limit=self.rWidth) + + self.noutrefresh() + + def __dec_cur(self): + """move cursor on the left""" + if self.__curs_pos>0: + self.__curs_pos = self.__curs_pos - 1 + + def __inc_cur(self): + """move cursor on the right""" + if self.__curs_pos<len(self.__text): + self.__curs_pos = self.__curs_pos + 1 + + def move_cur(self, x): + pos = x+len(self.__header) + if pos>=self.rWidth: + pos=self.rWidth-1 + self.move(0, pos) + + def clear_text(self): + """Clear the text of the edit box""" + self.__text="" + self.__curs_pos=0 + + def replace_cur(self): + """must be called earch time the cursor is moved""" + self.move_cur(self.__curs_pos) + self.noutrefresh() + + def activate(self, state=True): + cursor_mode = 1 if state else 0 + curses.curs_set(cursor_mode) + Window.activate(self,state) + + def handleKey(self, k): + if ascii.isgraph(k) or ascii.isblank(k): + pacman = 0 if not self.__replace_mode else 1 + self.__text = self.__text[:self.__curs_pos] + chr(k) + self.__text[self.__curs_pos + pacman:] + self.__curs_pos = self.__curs_pos + 1 + + elif k==ascii.NL: + try: + self.__enterCB(self.__text) + except NameError: + pass # TODO: thrown an error here + self.clear_text() + + elif k==curses.KEY_BACKSPACE: + self.__text = self.__text[:self.__curs_pos-1]+self.__text[self.__curs_pos:] + self.__dec_cur() + + elif k==curses.KEY_DC: + self.__text = self.__text[:self.__curs_pos]+self.__text[self.__curs_pos+1:] + + elif k==curses.KEY_IC: + self.__replace_mode = not self.__replace_mode + + elif k==curses.KEY_LEFT: + self.__dec_cur() + + elif k==curses.KEY_RIGHT: + self.__inc_cur() + + elif k==curses.KEY_HOME or k==C('a'): + self.__curs_pos=0 + + elif k==curses.KEY_END or k==C('e'): + self.__curs_pos=len(self.__text) + + elif k==C('k'): + self.__text = self.__text[:self.__curs_pos] + + elif k==C('w'): + before = self.__text[:self.__curs_pos] + pos = before.rstrip().rfind(" ")+1 + self.__text = before[:pos] + self.__text[self.__curs_pos:] + self.__curs_pos = pos + + elif k>255: + self.__buffer="" + + else: ## FIXME: dangerous code, must be checked ! (specialy buffer overflow) ## + #We now manage unicode + self.__buffer = self.__buffer+chr(k) + decoded=unicode() + if len(self.__buffer)>4: + self.__buffer="" + return + try: + decoded = self.__buffer.decode(self.__code) + except UnicodeDecodeError, e: + if e.reason!="unexpected end of data": + self.__buffer="" + return + if len(self.__buffer)==1: ## FIXME: awful ! only for test ! + self.__buffer="" + return + self.__text = self.__text + decoded + self.__curs_pos = self.__curs_pos + 1 + self.__buffer="" + + self.update() +