Mercurial > libervia-backend
annotate frontends/sortilege_old/editbox.py @ 480:2a072735e459
Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Wed, 01 Aug 2012 22:53:02 +0200 |
| parents | b1794cbb88e5 |
| children | 952322b1d490 |
| rev | line source |
|---|---|
| 0 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 """ | |
| 5 sortilege: a SAT frontend | |
| 228 | 6 Copyright (C) 2009, 2010, 2011 Jérôme Poisson (goffi@goffi.org) |
| 0 | 7 |
| 8 This program is free software: you can redistribute it and/or modify | |
|
480
2a072735e459
Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
Goffi <goffi@goffi.org>
parents:
228
diff
changeset
|
9 it under the terms of the GNU Affero General Public License as published by |
| 0 | 10 the Free Software Foundation, either version 3 of the License, or |
| 11 (at your option) any later version. | |
| 12 | |
| 13 This program is distributed in the hope that it will be useful, | |
| 14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
|
480
2a072735e459
Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
Goffi <goffi@goffi.org>
parents:
228
diff
changeset
|
16 GNU Affero General Public License for more details. |
| 0 | 17 |
|
480
2a072735e459
Licence modification: the full project is now under AGPL v3+ instead of GPL v3+
Goffi <goffi@goffi.org>
parents:
228
diff
changeset
|
18 You should have received a copy of the GNU Affero General Public License |
| 0 | 19 along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 20 """ | |
| 21 | |
| 22 | |
| 23 import curses | |
| 24 from curses import ascii | |
| 25 from window import Window | |
| 26 | |
| 27 def C(k): | |
| 28 """return the value of Ctrl+key""" | |
| 29 return ord(ascii.ctrl(k)) | |
| 30 | |
| 31 def A(k): | |
| 32 """return the value of Alt+key""" | |
| 33 return ord(ascii.alt(k)) | |
| 34 | |
| 35 class EditBox(Window): | |
| 36 """This class manage the edition of text""" | |
| 37 | |
| 38 def __init__(self, parent, header, code="utf-8"): | |
| 39 self.__header=header | |
| 40 self.__text = unicode() | |
| 41 self.__curs_pos=0 | |
| 42 self.__buffer=str() | |
| 43 self.__replace_mode=False | |
| 44 self.__parent=parent | |
| 45 self.__code=code | |
| 46 | |
| 47 Window.__init__(self, self.__parent, 1, self.__parent.getmaxyx()[1], self.__parent.getmaxyx()[0]-1,0, code=code) | |
| 48 self.update() | |
| 49 | |
| 50 def registerEnterCB(self, CB): | |
| 51 self.__enterCB=CB | |
| 52 | |
| 53 def resizeAdapt(self): | |
| 54 """Adapt window size to self.__parent size. | |
| 55 Must be called when self.__parent is resized.""" | |
| 56 self.resize(1, self.__parent.getmaxyx()[1], self.__parent.getmaxyx()[0]-1,0) | |
| 57 self.update() | |
| 58 | |
| 59 def __getTextToPrint(self): | |
| 60 """return the text printed on the edit line""" | |
| 61 width = self.rWidth - len(self.__header) -1 | |
| 62 if self.__curs_pos<width: | |
| 63 begin = 0 | |
| 64 end = width | |
| 65 else: | |
| 66 begin = self.__curs_pos-width | |
| 67 end = self.__curs_pos | |
| 68 return self.__header+self.__text[begin:end] | |
| 69 | |
| 70 def update(self): | |
| 71 Window.update(self) | |
| 72 text = self.__getTextToPrint() | |
| 73 self.addYXStr(0, 0, text, limit=self.rWidth) | |
| 74 | |
| 75 self.noutrefresh() | |
| 76 | |
| 77 def __dec_cur(self): | |
| 78 """move cursor on the left""" | |
| 79 if self.__curs_pos>0: | |
| 80 self.__curs_pos = self.__curs_pos - 1 | |
| 81 | |
| 82 def __inc_cur(self): | |
| 83 """move cursor on the right""" | |
| 84 if self.__curs_pos<len(self.__text): | |
| 85 self.__curs_pos = self.__curs_pos + 1 | |
| 86 | |
| 87 def move_cur(self, x): | |
| 88 pos = x+len(self.__header) | |
| 89 if pos>=self.rWidth: | |
| 90 pos=self.rWidth-1 | |
| 91 self.move(0, pos) | |
| 92 | |
| 93 def clear_text(self): | |
| 94 """Clear the text of the edit box""" | |
| 95 self.__text="" | |
| 96 self.__curs_pos=0 | |
| 97 | |
| 98 def replace_cur(self): | |
| 99 """must be called earch time the cursor is moved""" | |
| 100 self.move_cur(self.__curs_pos) | |
| 101 self.noutrefresh() | |
| 102 | |
| 103 def activate(self, state=True): | |
| 104 cursor_mode = 1 if state else 0 | |
| 105 curses.curs_set(cursor_mode) | |
| 106 Window.activate(self,state) | |
| 107 | |
| 108 def handleKey(self, k): | |
| 109 if ascii.isgraph(k) or ascii.isblank(k): | |
| 110 pacman = 0 if not self.__replace_mode else 1 | |
| 111 self.__text = self.__text[:self.__curs_pos] + chr(k) + self.__text[self.__curs_pos + pacman:] | |
| 112 self.__curs_pos = self.__curs_pos + 1 | |
| 113 | |
| 114 elif k==ascii.NL: | |
| 115 try: | |
| 116 self.__enterCB(self.__text) | |
| 117 except NameError: | |
| 118 pass # TODO: thrown an error here | |
| 119 self.clear_text() | |
| 120 | |
| 121 elif k==curses.KEY_BACKSPACE: | |
| 122 self.__text = self.__text[:self.__curs_pos-1]+self.__text[self.__curs_pos:] | |
| 123 self.__dec_cur() | |
| 124 | |
| 125 elif k==curses.KEY_DC: | |
| 126 self.__text = self.__text[:self.__curs_pos]+self.__text[self.__curs_pos+1:] | |
| 127 | |
| 128 elif k==curses.KEY_IC: | |
| 129 self.__replace_mode = not self.__replace_mode | |
| 130 | |
| 131 elif k==curses.KEY_LEFT: | |
| 132 self.__dec_cur() | |
| 133 | |
| 134 elif k==curses.KEY_RIGHT: | |
| 135 self.__inc_cur() | |
| 136 | |
| 137 elif k==curses.KEY_HOME or k==C('a'): | |
| 138 self.__curs_pos=0 | |
| 139 | |
| 140 elif k==curses.KEY_END or k==C('e'): | |
| 141 self.__curs_pos=len(self.__text) | |
| 142 | |
| 143 elif k==C('k'): | |
| 144 self.__text = self.__text[:self.__curs_pos] | |
| 145 | |
| 146 elif k==C('w'): | |
| 147 before = self.__text[:self.__curs_pos] | |
| 148 pos = before.rstrip().rfind(" ")+1 | |
| 149 self.__text = before[:pos] + self.__text[self.__curs_pos:] | |
| 150 self.__curs_pos = pos | |
| 151 | |
| 152 elif k>255: | |
| 153 self.__buffer="" | |
| 154 | |
| 155 else: ## FIXME: dangerous code, must be checked ! (specialy buffer overflow) ## | |
| 156 #We now manage unicode | |
| 157 self.__buffer = self.__buffer+chr(k) | |
| 158 decoded=unicode() | |
| 159 if len(self.__buffer)>4: | |
| 160 self.__buffer="" | |
| 161 return | |
| 162 try: | |
| 163 decoded = self.__buffer.decode(self.__code) | |
| 164 except UnicodeDecodeError, e: | |
| 165 if e.reason!="unexpected end of data": | |
| 166 self.__buffer="" | |
| 167 return | |
| 168 if len(self.__buffer)==1: ## FIXME: awful ! only for test ! | |
| 169 self.__buffer="" | |
| 170 return | |
| 171 self.__text = self.__text + decoded | |
| 172 self.__curs_pos = self.__curs_pos + 1 | |
| 173 self.__buffer="" | |
| 174 | |
| 175 self.update() | |
| 176 |