Mercurial > libervia-backend
annotate frontends/primitivus/custom_widgets.py @ 120:1ca5f254ce41
primitivus group chat & misc
primitivus: new widget: SurroundedText (text with a character repeated around it)
primitivus: new decorator LabelLine (like lineBox, but with a label on the top line)
wix & primitivus & quick_app: group chat method move to quick_chat
wix: when new message, window is not raised anymore, but RequestUserAttention is called instead
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 08 Jul 2010 14:12:18 +0800 |
| parents | ded2431cea5a |
| children | 03d8bcc67182 |
| 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 | |
| 120 | 23 from urwid.escape import utf8decode |
| 113 | 24 |
| 25 class Password(urwid.Edit): | |
| 26 | |
| 27 def __init__(self, *args, **kwargs): | |
| 28 self.hidden_char=kwargs['hidden_char'] if kwargs.has_key('hidden_char') else '*' | |
| 29 self.__real_text='' | |
| 30 super(Password, self).__init__(*args, **kwargs) | |
| 31 | |
| 32 def set_edit_text(self, text): | |
| 33 self.__real_text = text | |
| 34 hidden_txt = len(text)*'*' | |
| 35 super(Password, self).set_edit_text(hidden_txt) | |
| 36 | |
| 37 def get_edit_text(self): | |
| 38 return self.__real_text | |
| 39 | |
|
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40 class AdvancedEdit(urwid.Edit): |
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41 """Edit box with some custom improvments""" |
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42 signals = urwid.Edit.signals + ['click'] |
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43 |
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44 def keypress(self, size, key): |
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45 #TODO: insert mode is not managed yet |
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46 if key == 'ctrl a': |
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47 key = 'home' |
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48 elif key == 'ctrl e': |
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49 key = 'end' |
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50 elif key == 'ctrl k': |
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51 self._delete_highlighted() |
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52 self.set_edit_text(self.edit_text[:self.edit_pos]) |
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53 elif key == 'ctrl w': |
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54 before = self.edit_text[:self.edit_pos] |
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55 pos = before.rstrip().rfind(" ")+1 |
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56 self.set_edit_text(before[:pos] + self.edit_text[self.edit_pos:]) |
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57 self.set_edit_pos(pos) |
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58 elif key == 'enter': |
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59 self._emit('click') |
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60 return super(AdvancedEdit, self).keypress(size, key) |
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61 |
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62 |
| 120 | 63 class SurroundedText(urwid.FlowWidget): |
| 64 | |
| 65 def __init__(self,text,car=utf8decode('─')): | |
| 66 self.text=text | |
| 67 self.car=car | |
| 68 | |
| 69 def rows(self,size,focus=False): | |
| 70 return self.display_widget(size, focus).rows(size, focus) | |
| 71 | |
| 72 def render(self, size, focus=False): | |
| 73 return self.display_widget(size, focus).render(size, focus) | |
| 74 | |
| 75 def display_widget(self, size, focus): | |
| 76 (maxcol,) = size | |
| 77 middle = (maxcol-len(self.text))/2 | |
| 78 render_text = middle * self.car + self.text + (maxcol - len(self.text) - middle) * self.car | |
| 79 return urwid.Text(render_text) | |
| 80 | |
| 81 | |
| 82 | |
| 113 | 83 class SelectableText(urwid.FlowWidget): |
| 120 | 84 """Text which can be selected with space""" |
| 113 | 85 signals = ['change'] |
| 86 | |
| 87 def __init__(self, text, align='left'): | |
| 88 self.text=unicode(text) | |
| 89 self.align = align | |
| 90 self.__selected=False | |
| 91 | |
| 92 def getValue(self): | |
| 93 return self.text | |
| 94 | |
| 95 def setState(self, selected, invisible=False): | |
| 96 """Change state | |
| 97 @param selected: boolean state value | |
| 98 @param invisible: don't emit change signal if True""" | |
| 99 assert(type(selected)==bool) | |
| 100 self.__selected=selected | |
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101 self._invalidate() |
| 113 | 102 if not invisible: |
| 103 self._emit("change", self.__selected) | |
| 104 | |
| 105 def getState(self): | |
| 106 return self.__selected | |
| 107 | |
| 108 def selectable(self): | |
| 109 return True | |
| 110 | |
| 111 def keypress(self, size, key): | |
| 112 if key==' ' or key=='enter': | |
| 113 self.setState(not self.__selected) | |
| 114 else: | |
| 115 return key | |
| 116 | |
| 117 def rows(self,size,focus=False): | |
| 118 return self.display_widget(size, focus).rows(size, focus) | |
| 119 | |
| 120 def render(self, size, focus=False): | |
| 121 return self.display_widget(size, focus).render(size, focus) | |
| 122 | |
| 123 def display_widget(self, size, focus): | |
| 124 attr = 'selected' if self.__selected else 'default' | |
| 125 if focus: | |
| 126 attr+="_focus" | |
| 127 return urwid.Text((attr,self.text), align=self.align) | |
| 128 | |
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129 class GenericList(urwid.WidgetWrap): |
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130 signals = ['click','change'] |
| 113 | 131 |
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132 def __init__(self, options, style=[], align='left', on_click=None, on_change=None, user_data=None): |
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133 """ |
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134 Widget managing list of string and their selection |
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135 @param options: list of strings used for options |
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136 @param style: list of string: |
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137 - 'single' if only one must be selected |
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138 - 'no_first_select' nothing selected when list is first displayed |
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139 - 'can_select_none' if we can select nothing |
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140 @param align: alignement of text inside the list |
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141 @param on_click: method called when click signal is emited |
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142 @param user_data: data sent to the callback for click signal |
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143 """ |
| 113 | 144 self.single = 'single' in style |
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145 self.no_first_select = 'no_first_select' in style |
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146 self.can_select_none = 'can_select_none' in style |
| 113 | 147 self.align = align |
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148 self.first_display = True |
| 113 | 149 |
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150 if on_click: |
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151 urwid.connect_signal(self, 'click', on_click, user_data) |
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152 |
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153 if on_change: |
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154 urwid.connect_signal(self, 'change', on_change, user_data) |
| 113 | 155 |
| 114 | 156 self.content = urwid.SimpleListWalker([]) |
| 113 | 157 self.list_box = urwid.ListBox(self.content) |
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158 urwid.WidgetWrap.__init__(self, self.list_box) |
| 114 | 159 self.changeValues(options) |
| 113 | 160 |
| 161 def __onStateChange(self, widget, selected): | |
| 162 if self.single: | |
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163 if not selected and not self.can_select_none: |
| 113 | 164 #if in single mode, it's forbidden to unselect a value |
| 165 widget.setState(True, invisible=True) | |
| 166 return | |
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167 if selected: |
| 113 | 168 self.unselectAll(invisible=True) |
| 169 widget.setState(True, invisible=True) | |
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170 self._emit("click") |
| 113 | 171 |
| 172 | |
| 173 def unselectAll(self, invisible=False): | |
| 174 for widget in self.content: | |
| 175 if widget.getState(): | |
| 176 widget.setState(False, invisible) | |
| 177 widget._invalidate() | |
| 178 | |
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179 def deleteValue(self, value): |
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180 """Delete the first value equal to the param given""" |
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181 for widget in self.content: |
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182 if widget.getValue() == value: |
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183 self.content.remove(widget) |
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184 self._emit('change') |
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185 return |
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186 raise ValueError("%s ==> %s" % (str(value),str(self.content))) |
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187 |
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188 def getSelectedValue(self): |
| 114 | 189 """Convenience method to get the value selected as a string in single mode, or None""" |
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190 values = self.getSelectedValues() |
| 114 | 191 return values[0] if values else None |
| 192 | |
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193 def getAllValues(self): |
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194 """Return values of all items""" |
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195 return [widget.getValue() for widget in self.content] |
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196 |
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197 def getSelectedValues(self): |
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198 """Return values of selected items""" |
| 113 | 199 result = [] |
| 200 for widget in self.content: | |
| 201 if widget.getState(): | |
| 202 result.append(widget.getValue()) | |
| 203 return result | |
| 204 | |
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205 def getDisplayWidget(self): |
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206 return self.list_box |
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207 |
| 113 | 208 def changeValues(self, new_values): |
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209 """Change all value in one shot""" |
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210 if not self.first_display: |
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211 old_selected = self.getSelectedValues() |
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212 widgets = [] |
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213 for option in new_values: |
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214 widget = SelectableText(option, self.align) |
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215 if not self.first_display and option in old_selected: |
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216 widget.setState(True) |
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217 widgets.append(widget) |
| 114 | 218 urwid.connect_signal(widget, 'change', self.__onStateChange) |
| 113 | 219 self.content[:] = widgets |
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220 if self.first_display and self.single and new_values and not self.no_first_select: |
| 114 | 221 self.content[0].setState(True) |
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222 display_widget = self.getDisplayWidget() |
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223 self._set_w(display_widget) |
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224 self._emit('change') |
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225 self.first_display = False |
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226 |
| 113 | 227 def selectValue(self, value): |
| 228 self.unselectAll() | |
| 229 idx = 0 | |
| 230 for widget in self.content: | |
|
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231 if widget.getSelectedValue() == value: |
| 113 | 232 widget.setState(True) |
| 233 self.list_box.set_focus(idx) | |
| 234 return | |
| 235 idx+=1 | |
| 236 | |
|
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237 class List(urwid.FlowWidget): |
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238 """FlowWidget list, same arguments as GenericList, with an additional one 'max_height'""" |
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239 signals = ['click','change'] |
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240 |
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241 def __init__(self, options, style=[], max_height=5, align='left', on_click=None, on_change=None, user_data=None): |
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242 self.genericList = GenericList(options, style, align, on_click, on_change, user_data) |
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243 self.max_height = max_height |
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244 |
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245 def selectable(self): |
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246 return True |
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247 |
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248 def keypress(self, size, key): |
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249 return self.displayWidget(size,True).keypress(size, key) |
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250 |
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251 def unselectAll(self, invisible=False): |
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252 return self.genericList.unselectAll(invisible) |
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253 |
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254 def deleteValue(self, value): |
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255 return self.genericList.deleteValue(value) |
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256 |
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257 def getSelectedValue(self): |
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258 return self.genericList.getSelectedValue() |
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259 |
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260 def getAllValues(self): |
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261 return self.genericList.getAllValues() |
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262 |
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263 def getSelectedValues(self): |
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264 return self.genericList.getSelectedValues() |
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265 |
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266 def changeValues(self, new_values): |
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267 return self.genericList.changeValues(new_values) |
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268 |
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269 def selectValue(self, value): |
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270 return self.genericList.selectValue(value) |
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271 |
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272 def render(self, size, focus=False): |
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273 return self.displayWidget(size, focus).render(size, focus) |
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274 |
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275 def rows(self, size, focus=False): |
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276 return self.displayWidget(size, focus).rows(size, focus) |
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277 |
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278 def displayWidget(self, size, focus): |
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279 list_size = sum([wid.rows(size, focus) for wid in self.genericList.content]) |
| 120 | 280 height = min(list_size,self.max_height) or 1 |
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281 return urwid.BoxAdapter(self.genericList, height) |
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282 |
| 120 | 283 ## DIALOGS ## |
| 284 | |
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285 class GenericDialog(urwid.WidgetWrap): |
| 113 | 286 |
| 287 def __init__(self, widgets_lst, title, style=[], **kwargs): | |
| 288 frame_header = urwid.AttrMap(urwid.Text(title,'center'),'title') | |
| 289 | |
| 290 buttons = None | |
| 291 | |
| 292 if "OK/CANCEL" in style: | |
| 293 buttons = [urwid.Button(_("Cancel"), kwargs['cancel_cb']), | |
| 294 urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 295 elif "YES/NO" in style: | |
| 296 buttons = [urwid.Button(_("Yes"), kwargs['yes_cb']), | |
| 297 urwid.Button(_("No"), kwargs['no_cb'], kwargs['yes_value'])] | |
| 114 | 298 if "OK" in style: |
| 299 buttons = [urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 113 | 300 if buttons: |
| 301 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center') | |
| 302 widgets_lst.append(buttons_flow) | |
| 303 body_content = urwid.SimpleListWalker(widgets_lst) | |
| 304 frame_body = urwid.ListBox(body_content) | |
| 305 frame = urwid.Frame(frame_body, frame_header) | |
| 306 decorated_frame = urwid.LineBox(frame) | |
| 307 urwid.WidgetWrap.__init__(self, decorated_frame) | |
| 308 | |
| 309 | |
| 310 | |
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311 class InputDialog(GenericDialog): |
| 113 | 312 |
| 120 | 313 def __init__(self, title, instrucions, style=['OK/CANCEL'], default_txt = '', **kwargs): |
| 113 | 314 instr_wid = urwid.Text(instrucions+':') |
| 120 | 315 edit_box = urwid.Edit(edit_text=default_txt) |
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316 GenericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs) |
| 113 | 317 |
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318 class ConfirmDialog(GenericDialog): |
| 113 | 319 |
| 320 def __init__(self, title, style=['YES/NO'], **kwargs): | |
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321 GenericDialog.__init__(self, [], title, style, yes_value=None, **kwargs) |
| 114 | 322 |
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323 class Alert(GenericDialog): |
| 114 | 324 |
| 325 def __init__(self, title, message, style=['OK'], **kwargs): | |
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326 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) |
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327 |
| 120 | 328 ## CONTAINERS ## |
| 329 | |
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330 class FocusFrame(urwid.Frame): |
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331 """Frame which manage "tab" key""" |
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332 |
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333 def keypress(self, size, key): |
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334 if key == 'tab': |
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335 focus_list = ('header','body','footer') |
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336 focus_idx = focus_list.index(self.focus_part) |
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337 for i in range(2): |
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338 focus_idx = (focus_idx + 1) % len(focus_list) |
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339 focus_name = focus_list[focus_idx] |
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340 widget = getattr(self,'_'+focus_name) |
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341 if widget!=None and widget.selectable(): |
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342 self.set_focus(focus_name) |
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343 |
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344 return urwid.Frame.keypress(self, size, key) |
| 120 | 345 |
| 346 ## DECORATORS ## | |
| 347 class LabelLine(urwid.LineBox): | |
| 348 | |
| 349 def __init__(self, original_widget, label_widget): | |
| 350 urwid.LineBox.__init__(self, original_widget) | |
| 351 top_columns = self._w.widget_list[0] | |
| 352 top_columns.widget_list[1] = label_widget | |
| 353 |