Mercurial > libervia-backend
annotate frontends/primitivus/custom_widgets.py @ 119:ded2431cea5a
Primitivus: chat window / text sending.
Primitivus has now the most basics features \o/
- core: new getVersion method
- primitivus: new debug key (C-d), only work if SàT is in dev version (D in version)
- quick_app: new post_init method, used for automatique task like auto-plug
- primitivus: lists now use genericList (Box) or List (Flow)
- primitivus: List now manage correctly its size
- primitivus: new FocusFrame widget which manage focus changing with 'tab'
- primitivus: advancedEdit now manage 'click' signal
- primitivus: contactList now manager 'change' and 'click' signals
- primitivus: Chat window now working
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 05 Jul 2010 19:13:36 +0800 |
| parents | 76055a209ed9 |
| children | 1ca5f254ce41 |
| 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 signals = urwid.Edit.signals + ['click'] |
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42 |
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43 def keypress(self, size, key): |
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44 #TODO: insert mode is not managed yet |
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45 if key == 'ctrl a': |
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46 key = 'home' |
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47 elif key == 'ctrl e': |
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48 key = 'end' |
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49 elif key == 'ctrl k': |
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50 self._delete_highlighted() |
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51 self.set_edit_text(self.edit_text[:self.edit_pos]) |
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52 elif key == 'ctrl w': |
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53 before = self.edit_text[:self.edit_pos] |
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54 pos = before.rstrip().rfind(" ")+1 |
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55 self.set_edit_text(before[:pos] + self.edit_text[self.edit_pos:]) |
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56 self.set_edit_pos(pos) |
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57 elif key == 'enter': |
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58 self._emit('click') |
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59 return super(AdvancedEdit, self).keypress(size, key) |
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60 |
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61 |
| 113 | 62 class SelectableText(urwid.FlowWidget): |
| 63 signals = ['change'] | |
| 64 | |
| 65 def __init__(self, text, align='left'): | |
| 66 self.text=unicode(text) | |
| 67 self.align = align | |
| 68 self.__selected=False | |
| 69 | |
| 70 def getValue(self): | |
| 71 return self.text | |
| 72 | |
| 73 def setState(self, selected, invisible=False): | |
| 74 """Change state | |
| 75 @param selected: boolean state value | |
| 76 @param invisible: don't emit change signal if True""" | |
| 77 assert(type(selected)==bool) | |
| 78 self.__selected=selected | |
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79 self._invalidate() |
| 113 | 80 if not invisible: |
| 81 self._emit("change", self.__selected) | |
| 82 | |
| 83 def getState(self): | |
| 84 return self.__selected | |
| 85 | |
| 86 def selectable(self): | |
| 87 return True | |
| 88 | |
| 89 def keypress(self, size, key): | |
| 90 if key==' ' or key=='enter': | |
| 91 self.setState(not self.__selected) | |
| 92 else: | |
| 93 return key | |
| 94 | |
| 95 def rows(self,size,focus=False): | |
| 96 return self.display_widget(size, focus).rows(size, focus) | |
| 97 | |
| 98 def render(self, size, focus=False): | |
| 99 return self.display_widget(size, focus).render(size, focus) | |
| 100 | |
| 101 def display_widget(self, size, focus): | |
| 102 attr = 'selected' if self.__selected else 'default' | |
| 103 if focus: | |
| 104 attr+="_focus" | |
| 105 return urwid.Text((attr,self.text), align=self.align) | |
| 106 | |
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107 class GenericList(urwid.WidgetWrap): |
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108 signals = ['click','change'] |
| 113 | 109 |
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110 def __init__(self, options, style=[], align='left', on_click=None, on_change=None, user_data=None): |
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111 """ |
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112 Widget managing list of string and their selection |
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113 @param options: list of strings used for options |
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114 @param style: list of string: |
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115 - 'single' if only one must be selected |
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116 - 'no_first_select' nothing selected when list is first displayed |
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117 - 'can_select_none' if we can select nothing |
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118 @param align: alignement of text inside the list |
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119 @param on_click: method called when click signal is emited |
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120 @param user_data: data sent to the callback for click signal |
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121 """ |
| 113 | 122 self.single = 'single' in style |
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123 self.no_first_select = 'no_first_select' in style |
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124 self.can_select_none = 'can_select_none' in style |
| 113 | 125 self.align = align |
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126 self.first_display = True |
| 113 | 127 |
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128 if on_click: |
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129 urwid.connect_signal(self, 'click', on_click, user_data) |
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130 |
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131 if on_change: |
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132 urwid.connect_signal(self, 'change', on_change, user_data) |
| 113 | 133 |
| 114 | 134 self.content = urwid.SimpleListWalker([]) |
| 113 | 135 self.list_box = urwid.ListBox(self.content) |
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136 urwid.WidgetWrap.__init__(self, self.list_box) |
| 114 | 137 self.changeValues(options) |
| 113 | 138 |
| 139 def __onStateChange(self, widget, selected): | |
| 140 if self.single: | |
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141 if not selected and not self.can_select_none: |
| 113 | 142 #if in single mode, it's forbidden to unselect a value |
| 143 widget.setState(True, invisible=True) | |
| 144 return | |
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145 if selected: |
| 113 | 146 self.unselectAll(invisible=True) |
| 147 widget.setState(True, invisible=True) | |
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148 self._emit("click") |
| 113 | 149 |
| 150 | |
| 151 def unselectAll(self, invisible=False): | |
| 152 for widget in self.content: | |
| 153 if widget.getState(): | |
| 154 widget.setState(False, invisible) | |
| 155 widget._invalidate() | |
| 156 | |
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157 def deleteValue(self, value): |
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158 """Delete the first value equal to the param given""" |
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159 for widget in self.content: |
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160 if widget.getValue() == value: |
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161 self.content.remove(widget) |
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162 self._emit('change') |
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163 return |
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164 raise ValueError("%s ==> %s" % (str(value),str(self.content))) |
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165 |
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166 def getSelectedValue(self): |
| 114 | 167 """Convenience method to get the value selected as a string in single mode, or None""" |
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168 values = self.getSelectedValues() |
| 114 | 169 return values[0] if values else None |
| 170 | |
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171 def getAllValues(self): |
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172 """Return values of all items""" |
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173 return [widget.getValue() for widget in self.content] |
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174 |
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175 def getSelectedValues(self): |
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176 """Return values of selected items""" |
| 113 | 177 result = [] |
| 178 for widget in self.content: | |
| 179 if widget.getState(): | |
| 180 result.append(widget.getValue()) | |
| 181 return result | |
| 182 | |
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183 def getDisplayWidget(self): |
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184 return self.list_box |
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185 |
| 113 | 186 def changeValues(self, new_values): |
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187 """Change all value in one shot""" |
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188 if not self.first_display: |
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189 old_selected = self.getSelectedValues() |
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190 widgets = [] |
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191 for option in new_values: |
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192 widget = SelectableText(option, self.align) |
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193 if not self.first_display and option in old_selected: |
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194 widget.setState(True) |
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195 widgets.append(widget) |
| 114 | 196 urwid.connect_signal(widget, 'change', self.__onStateChange) |
| 113 | 197 self.content[:] = widgets |
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198 if self.first_display and self.single and new_values and not self.no_first_select: |
| 114 | 199 self.content[0].setState(True) |
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200 display_widget = self.getDisplayWidget() |
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201 self._set_w(display_widget) |
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202 self._emit('change') |
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203 self.first_display = False |
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204 |
| 113 | 205 def selectValue(self, value): |
| 206 self.unselectAll() | |
| 207 idx = 0 | |
| 208 for widget in self.content: | |
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209 if widget.getSelectedValue() == value: |
| 113 | 210 widget.setState(True) |
| 211 self.list_box.set_focus(idx) | |
| 212 return | |
| 213 idx+=1 | |
| 214 | |
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215 class List(urwid.FlowWidget): |
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216 """FlowWidget list, same arguments as GenericList, with an additional one 'max_height'""" |
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217 signals = ['click','change'] |
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218 |
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219 def __init__(self, options, style=[], max_height=5, align='left', on_click=None, on_change=None, user_data=None): |
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220 self.genericList = GenericList(options, style, align, on_click, on_change, user_data) |
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221 self.max_height = max_height |
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222 |
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223 def selectable(self): |
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224 return True |
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225 |
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226 def keypress(self, size, key): |
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227 return self.displayWidget(size,True).keypress(size, key) |
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228 |
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229 def unselectAll(self, invisible=False): |
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230 return self.genericList.unselectAll(invisible) |
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231 |
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232 def deleteValue(self, value): |
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233 return self.genericList.deleteValue(value) |
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234 |
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235 def getSelectedValue(self): |
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236 return self.genericList.getSelectedValue() |
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237 |
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238 def getAllValues(self): |
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239 return self.genericList.getAllValues() |
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240 |
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241 def getSelectedValues(self): |
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242 return self.genericList.getSelectedValues() |
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243 |
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244 def changeValues(self, new_values): |
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245 return self.genericList.changeValues(new_values) |
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246 |
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247 def selectValue(self, value): |
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248 return self.genericList.selectValue(value) |
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249 |
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250 def render(self, size, focus=False): |
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251 return self.displayWidget(size, focus).render(size, focus) |
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252 |
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253 def rows(self, size, focus=False): |
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254 return self.displayWidget(size, focus).rows(size, focus) |
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255 |
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256 def displayWidget(self, size, focus): |
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257 list_size = sum([wid.rows(size, focus) for wid in self.genericList.content]) |
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258 height = min(list_size,self.max_height) |
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259 return urwid.BoxAdapter(self.genericList, height) |
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260 |
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261 class GenericDialog(urwid.WidgetWrap): |
| 113 | 262 |
| 263 def __init__(self, widgets_lst, title, style=[], **kwargs): | |
| 264 frame_header = urwid.AttrMap(urwid.Text(title,'center'),'title') | |
| 265 | |
| 266 buttons = None | |
| 267 | |
| 268 if "OK/CANCEL" in style: | |
| 269 buttons = [urwid.Button(_("Cancel"), kwargs['cancel_cb']), | |
| 270 urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 271 elif "YES/NO" in style: | |
| 272 buttons = [urwid.Button(_("Yes"), kwargs['yes_cb']), | |
| 273 urwid.Button(_("No"), kwargs['no_cb'], kwargs['yes_value'])] | |
| 114 | 274 if "OK" in style: |
| 275 buttons = [urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 113 | 276 if buttons: |
| 277 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center') | |
| 278 widgets_lst.append(buttons_flow) | |
| 279 body_content = urwid.SimpleListWalker(widgets_lst) | |
| 280 frame_body = urwid.ListBox(body_content) | |
| 281 frame = urwid.Frame(frame_body, frame_header) | |
| 282 decorated_frame = urwid.LineBox(frame) | |
| 283 urwid.WidgetWrap.__init__(self, decorated_frame) | |
| 284 | |
| 285 | |
| 286 | |
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287 class InputDialog(GenericDialog): |
| 113 | 288 |
| 289 def __init__(self, title, instrucions, style=['OK/CANCEL'], **kwargs): | |
| 290 instr_wid = urwid.Text(instrucions+':') | |
| 291 edit_box = urwid.Edit() | |
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292 GenericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs) |
| 113 | 293 |
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294 class ConfirmDialog(GenericDialog): |
| 113 | 295 |
| 296 def __init__(self, title, style=['YES/NO'], **kwargs): | |
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297 GenericDialog.__init__(self, [], title, style, yes_value=None, **kwargs) |
| 114 | 298 |
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299 class Alert(GenericDialog): |
| 114 | 300 |
| 301 def __init__(self, title, message, style=['OK'], **kwargs): | |
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302 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) |
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303 |
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304 class FocusFrame(urwid.Frame): |
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305 """Frame which manage "tab" key""" |
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306 |
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307 def keypress(self, size, key): |
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308 if key == 'tab': |
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309 focus_list = ('header','body','footer') |
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310 focus_idx = focus_list.index(self.focus_part) |
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311 for i in range(2): |
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312 focus_idx = (focus_idx + 1) % len(focus_list) |
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313 focus_name = focus_list[focus_idx] |
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314 widget = getattr(self,'_'+focus_name) |
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315 if widget!=None and widget.selectable(): |
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316 self.set_focus(focus_name) |
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317 |
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318 return urwid.Frame.keypress(self, size, key) |