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comparison urwid_satext/sat_widgets.py @ 57:d493f95724a7

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new ModalEdit for vi-like bahaviour
author Goffi <goffi@goffi.org>
date Sun, 21 Oct 2012 16:36:59 +0200
parents 22ab98a06492
children a99951c9ce2a
comparison
equal deleted inserted replaced
56:22ab98a06492 57:d493f95724a7
111 except AttributeError: 111 except AttributeError:
112 #No completion method defined 112 #No completion method defined
113 pass 113 pass
114 return super(AdvancedEdit, self).keypress(size, key) 114 return super(AdvancedEdit, self).keypress(size, key)
115 115
116 class ModalEdit(AdvancedEdit):
117 """AdvancedEdit with vi-like mode management
118 - there is a new 'mode' property wich can be changed with properties
119 specified during init
120 - completion callback received a new 'mode' argument
121 """
122
123 def __init__(self, modes, *args, **kwargs):
124 """ first argument is "modes", others are the same paramaters as AdvancedEdit
125 @param modes: dictionnary in the form:
126 'key_to_change_mode': ('Mode', caption)
127 e.g.: 'i': ('INSERTION', '> ')
128 There *MUST* be a None key (for NORMAL mode)"""
129 assert(isinstance(modes, dict) and None in modes)
130 self._modes = modes
131 super(ModalEdit, self).__init__(*args, **kwargs)
132 self.mode = self._modes[None][0]
133
134 @property
135 def mode(self):
136 return self._mode
137
138 @mode.setter
139 def mode(self, value):
140 mode_key = None
141 for key in self._modes:
142 if self._modes[key][0] == value:
143 mode_key = key
144 break
145
146 mode, caption = self._modes[mode_key]
147 self._mode = mode
148 self.set_caption(caption)
149 if not mode_key: #we are in NORMAL mode
150 self.set_edit_text('')
151
152 def setCompletionMethod(self, callback):
153 """ Same as AdvancedEdit.setCompletionMethod, but with a third argument: current mode"""
154 super(ModalEdit, self).setCompletionMethod(lambda text,data: callback(text, data, self._mode))
155
156 def keypress(self, size, key):
157 if key == 'esc':
158 self.mode = "NORMAL"
159 return
160 if self._mode == 'NORMAL' and key in self._modes:
161 self.mode = self._modes[key][0]
162 return
163 return super(ModalEdit, self).keypress(size, key)
116 164
117 class SurroundedText(urwid.FlowWidget): 165 class SurroundedText(urwid.FlowWidget):
118 """Text centered on a repeated character (like a Divider, but with a text in the center)""" 166 """Text centered on a repeated character (like a Divider, but with a text in the center)"""
119 167
120 def __init__(self,text,car=utf8decode('─')): 168 def __init__(self,text,car=utf8decode('─')):