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comparison frontends/primitivus/custom_widgets.py @ 7:94868f58850b

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misc documentation
author Goffi <goffi@goffi.org>
date Thu, 08 Jul 2010 14:19:30 +0800
parents d586d06a9d8f
children ec01505ec109
comparison
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6:d586d06a9d8f 7:94868f58850b
21 21
22 import urwid 22 import urwid
23 from urwid.escape import utf8decode 23 from urwid.escape import utf8decode
24 24
25 class Password(urwid.Edit): 25 class Password(urwid.Edit):
26 """Edit box which doesn't show what is entered (show '*' or other char instead)"""
26 27
27 def __init__(self, *args, **kwargs): 28 def __init__(self, *args, **kwargs):
29 """Same args than Edit.__init__ with an additional keyword arg 'hidden_char'
30 @param hidden_char: char to show instead of what is actually entered: default '*'
31 """
28 self.hidden_char=kwargs['hidden_char'] if kwargs.has_key('hidden_char') else '*' 32 self.hidden_char=kwargs['hidden_char'] if kwargs.has_key('hidden_char') else '*'
29 self.__real_text='' 33 self.__real_text=''
30 super(Password, self).__init__(*args, **kwargs) 34 super(Password, self).__init__(*args, **kwargs)
31 35
32 def set_edit_text(self, text): 36 def set_edit_text(self, text):
36 40
37 def get_edit_text(self): 41 def get_edit_text(self):
38 return self.__real_text 42 return self.__real_text
39 43
40 class AdvancedEdit(urwid.Edit): 44 class AdvancedEdit(urwid.Edit):
41 """Edit box with some custom improvments""" 45 """Edit box with some custom improvments
46 new chars:
47 - C-a: like 'home'
48 - C-e: like 'end'
49 - C-k: remove everything on the right of the cursor
50 - C-w: remove the word on the back
51 new behaviour: emit a 'click' signal when enter is pressed"""
42 signals = urwid.Edit.signals + ['click'] 52 signals = urwid.Edit.signals + ['click']
43 53
44 def keypress(self, size, key): 54 def keypress(self, size, key):
45 #TODO: insert mode is not managed yet 55 #TODO: insert mode is not managed yet
46 if key == 'ctrl a': 56 if key == 'ctrl a':
59 self._emit('click') 69 self._emit('click')
60 return super(AdvancedEdit, self).keypress(size, key) 70 return super(AdvancedEdit, self).keypress(size, key)
61 71
62 72
63 class SurroundedText(urwid.FlowWidget): 73 class SurroundedText(urwid.FlowWidget):
74 """Text centered on a repeated character (like a Divider, but with a text in the center)"""
64 75
65 def __init__(self,text,car=utf8decode('─')): 76 def __init__(self,text,car=utf8decode('─')):
66 self.text=text 77 self.text=text
67 self.car=car 78 self.car=car
68 79
307 urwid.WidgetWrap.__init__(self, decorated_frame) 318 urwid.WidgetWrap.__init__(self, decorated_frame)
308 319
309 320
310 321
311 class InputDialog(GenericDialog): 322 class InputDialog(GenericDialog):
323 """Dialog with an edit box"""
312 324
313 def __init__(self, title, instrucions, style=['OK/CANCEL'], default_txt = '', **kwargs): 325 def __init__(self, title, instrucions, style=['OK/CANCEL'], default_txt = '', **kwargs):
314 instr_wid = urwid.Text(instrucions+':') 326 instr_wid = urwid.Text(instrucions+':')
315 edit_box = urwid.Edit(edit_text=default_txt) 327 edit_box = urwid.Edit(edit_text=default_txt)
316 GenericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs) 328 GenericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs)
317 329
318 class ConfirmDialog(GenericDialog): 330 class ConfirmDialog(GenericDialog):
331 """Dialog with buttons for confirm or cancel an action"""
319 332
320 def __init__(self, title, style=['YES/NO'], **kwargs): 333 def __init__(self, title, style=['YES/NO'], **kwargs):
321 GenericDialog.__init__(self, [], title, style, yes_value=None, **kwargs) 334 GenericDialog.__init__(self, [], title, style, yes_value=None, **kwargs)
322 335
323 class Alert(GenericDialog): 336 class Alert(GenericDialog):
337 """Dialog with just a message and a OK button"""
324 338
325 def __init__(self, title, message, style=['OK'], **kwargs): 339 def __init__(self, title, message, style=['OK'], **kwargs):
326 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) 340 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs)
327 341
328 ## CONTAINERS ## 342 ## CONTAINERS ##
329 343
330 class FocusFrame(urwid.Frame): 344 class FocusFrame(urwid.Frame):
331 """Frame which manage "tab" key""" 345 """Frame which manage 'tab' key"""
332 346
333 def keypress(self, size, key): 347 def keypress(self, size, key):
334 if key == 'tab': 348 if key == 'tab':
335 focus_list = ('header','body','footer') 349 focus_list = ('header','body','footer')
336 focus_idx = focus_list.index(self.focus_part) 350 focus_idx = focus_list.index(self.focus_part)
343 357
344 return urwid.Frame.keypress(self, size, key) 358 return urwid.Frame.keypress(self, size, key)
345 359
346 ## DECORATORS ## 360 ## DECORATORS ##
347 class LabelLine(urwid.LineBox): 361 class LabelLine(urwid.LineBox):
362 """Like LineBox, but with a Label centered in the top line"""
348 363
349 def __init__(self, original_widget, label_widget): 364 def __init__(self, original_widget, label_widget):
350 urwid.LineBox.__init__(self, original_widget) 365 urwid.LineBox.__init__(self, original_widget)
351 top_columns = self._w.widget_list[0] 366 top_columns = self._w.widget_list[0]
352 top_columns.widget_list[1] = label_widget 367 top_columns.widget_list[1] = label_widget