Mercurial > libervia-backend
annotate frontends/primitivus/custom_widgets.py @ 118:76055a209ed9
primitivus: added edition zone at the bottom
- primitivus: new AdvancedEdit widget, which is like Edit but manage some new keys (C-a, C-e, C-k, C-w)
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 03 Jul 2010 13:56:44 +0800 |
| parents | 1f0fd6f03e2b |
| children | ded2431cea5a |
| rev | line source |
|---|---|
| 113 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 """ | |
| 5 Primitivus: a SAT frontend | |
| 6 Copyright (C) 2009, 2010 Jérôme Poisson (goffi@goffi.org) | |
| 7 | |
| 8 This program is free software: you can redistribute it and/or modify | |
| 9 it under the terms of the GNU General Public License as published by | |
| 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 | |
| 16 GNU General Public License for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 20 """ | |
| 21 | |
| 22 import urwid | |
| 23 | |
| 24 class Password(urwid.Edit): | |
| 25 | |
| 26 def __init__(self, *args, **kwargs): | |
| 27 self.hidden_char=kwargs['hidden_char'] if kwargs.has_key('hidden_char') else '*' | |
| 28 self.__real_text='' | |
| 29 super(Password, self).__init__(*args, **kwargs) | |
| 30 | |
| 31 def set_edit_text(self, text): | |
| 32 self.__real_text = text | |
| 33 hidden_txt = len(text)*'*' | |
| 34 super(Password, self).set_edit_text(hidden_txt) | |
| 35 | |
| 36 def get_edit_text(self): | |
| 37 return self.__real_text | |
| 38 | |
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39 class AdvancedEdit(urwid.Edit): |
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40 """Edit box with some custom improvments""" |
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41 |
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42 def keypress(self, size, key): |
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43 #TODO: insert mode is not managed yet |
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44 if key == 'ctrl a': |
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45 key = 'home' |
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46 elif key == 'ctrl e': |
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47 key = 'end' |
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48 elif key == 'ctrl k': |
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49 self._delete_highlighted() |
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50 self.set_edit_text(self.edit_text[:self.edit_pos]) |
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51 elif key == 'ctrl w': |
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52 before = self.edit_text[:self.edit_pos] |
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53 pos = before.rstrip().rfind(" ")+1 |
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54 self.set_edit_text(before[:pos] + self.edit_text[self.edit_pos:]) |
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55 self.set_edit_pos(pos) |
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56 return super(AdvancedEdit, self).keypress(size, key) |
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57 |
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58 |
| 113 | 59 class SelectableText(urwid.FlowWidget): |
| 60 signals = ['change'] | |
| 61 | |
| 62 def __init__(self, text, align='left'): | |
| 63 self.text=unicode(text) | |
| 64 self.align = align | |
| 65 self.__selected=False | |
| 66 | |
| 67 def getValue(self): | |
| 68 return self.text | |
| 69 | |
| 70 def setState(self, selected, invisible=False): | |
| 71 """Change state | |
| 72 @param selected: boolean state value | |
| 73 @param invisible: don't emit change signal if True""" | |
| 74 assert(type(selected)==bool) | |
| 75 self.__selected=selected | |
| 76 if not invisible: | |
| 77 self._emit("change", self.__selected) | |
| 78 self._invalidate() | |
| 79 | |
| 80 def getState(self): | |
| 81 return self.__selected | |
| 82 | |
| 83 def selectable(self): | |
| 84 return True | |
| 85 | |
| 86 def keypress(self, size, key): | |
| 87 if key==' ' or key=='enter': | |
| 88 self.setState(not self.__selected) | |
| 89 else: | |
| 90 return key | |
| 91 | |
| 92 def rows(self,size,focus=False): | |
| 93 return self.display_widget(size, focus).rows(size, focus) | |
| 94 | |
| 95 def render(self, size, focus=False): | |
| 96 return self.display_widget(size, focus).render(size, focus) | |
| 97 | |
| 98 def display_widget(self, size, focus): | |
| 99 attr = 'selected' if self.__selected else 'default' | |
| 100 if focus: | |
| 101 attr+="_focus" | |
| 102 return urwid.Text((attr,self.text), align=self.align) | |
| 103 | |
| 104 class List(urwid.WidgetWrap): | |
| 105 signals = ['change'] | |
| 106 | |
| 107 def __init__(self, options, style=[], align='left', on_state_change=None, user_data=None): | |
| 108 self.single = 'single' in style | |
| 109 self.align = align | |
| 110 | |
| 111 if on_state_change: | |
| 112 urwid.connect_signal(self, 'change', on_state_change, user_data) | |
| 113 | |
| 114 | 114 self.content = urwid.SimpleListWalker([]) |
| 113 | 115 self.list_box = urwid.ListBox(self.content) |
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116 urwid.WidgetWrap.__init__(self, self.list_box) |
| 114 | 117 self.changeValues(options) |
| 113 | 118 |
| 119 def __onStateChange(self, widget, selected): | |
| 120 if self.single: | |
| 121 if not selected: | |
| 122 #if in single mode, it's forbidden to unselect a value | |
| 123 widget.setState(True, invisible=True) | |
| 124 return | |
| 125 else: | |
| 126 self.unselectAll(invisible=True) | |
| 127 widget.setState(True, invisible=True) | |
| 128 self._emit("change") | |
| 129 | |
| 130 | |
| 131 def unselectAll(self, invisible=False): | |
| 132 for widget in self.content: | |
| 133 if widget.getState(): | |
| 134 widget.setState(False, invisible) | |
| 135 widget._invalidate() | |
| 136 | |
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137 def deleteValue(self, value): |
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138 """Delete the first value equal to the param given""" |
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139 try: |
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140 self.content.remove(value) |
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141 except ValueError: |
| 117 | 142 raise ValuError("%s ==> %s" % (str(value),str(self.content))) |
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143 |
| 114 | 144 def getValue(self): |
| 145 """Convenience method to get the value selected as a string in single mode, or None""" | |
| 146 values = self.getValues() | |
| 147 return values[0] if values else None | |
| 148 | |
| 113 | 149 def getValues(self): |
| 150 result = [] | |
| 151 for widget in self.content: | |
| 152 if widget.getState(): | |
| 153 result.append(widget.getValue()) | |
| 154 return result | |
| 155 | |
| 156 def changeValues(self, new_values): | |
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157 """Change all value in one shot""" |
| 114 | 158 widgets = [SelectableText(option, self.align) for option in new_values] |
| 159 for widget in widgets: | |
| 160 urwid.connect_signal(widget, 'change', self.__onStateChange) | |
| 113 | 161 self.content[:] = widgets |
| 114 | 162 if self.single and new_values: |
| 163 self.content[0].setState(True) | |
| 117 | 164 display_widget = urwid.BoxAdapter(self.list_box, min(len(new_values),5) or 1) |
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165 self._set_w(display_widget) |
| 113 | 166 |
| 167 def selectValue(self, value): | |
| 168 self.unselectAll() | |
| 169 idx = 0 | |
| 170 for widget in self.content: | |
| 171 if widget.getValue() == value: | |
| 172 widget.setState(True) | |
| 173 self.list_box.set_focus(idx) | |
| 174 return | |
| 175 idx+=1 | |
| 176 | |
| 177 class genericDialog(urwid.WidgetWrap): | |
| 178 | |
| 179 def __init__(self, widgets_lst, title, style=[], **kwargs): | |
| 180 frame_header = urwid.AttrMap(urwid.Text(title,'center'),'title') | |
| 181 | |
| 182 buttons = None | |
| 183 | |
| 184 if "OK/CANCEL" in style: | |
| 185 buttons = [urwid.Button(_("Cancel"), kwargs['cancel_cb']), | |
| 186 urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 187 elif "YES/NO" in style: | |
| 188 buttons = [urwid.Button(_("Yes"), kwargs['yes_cb']), | |
| 189 urwid.Button(_("No"), kwargs['no_cb'], kwargs['yes_value'])] | |
| 114 | 190 if "OK" in style: |
| 191 buttons = [urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 113 | 192 if buttons: |
| 193 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center') | |
| 194 widgets_lst.append(buttons_flow) | |
| 195 body_content = urwid.SimpleListWalker(widgets_lst) | |
| 196 frame_body = urwid.ListBox(body_content) | |
| 197 frame = urwid.Frame(frame_body, frame_header) | |
| 198 decorated_frame = urwid.LineBox(frame) | |
| 199 urwid.WidgetWrap.__init__(self, decorated_frame) | |
| 200 | |
| 201 | |
| 202 | |
| 203 class InputDialog(genericDialog): | |
| 204 | |
| 205 def __init__(self, title, instrucions, style=['OK/CANCEL'], **kwargs): | |
| 206 instr_wid = urwid.Text(instrucions+':') | |
| 207 edit_box = urwid.Edit() | |
| 208 genericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs) | |
| 209 | |
| 210 class ConfirmDialog(genericDialog): | |
| 211 | |
| 212 def __init__(self, title, style=['YES/NO'], **kwargs): | |
| 213 genericDialog.__init__(self, [], title, style, yes_value=None, **kwargs) | |
| 114 | 214 |
| 215 class Alert(genericDialog): | |
| 216 | |
| 217 def __init__(self, title, message, style=['OK'], **kwargs): | |
| 218 genericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) |