Mercurial > libervia-backend
annotate frontends/primitivus/custom_widgets.py @ 159:2fa58703f1b7
Primitivus: notification bar, first draft
- popup queue is now managed
- notifications can auto-hide when nothing to show
- ctrl-n show next notification
Primitivus: ctrl-s allow to temporarily hide a popup
Primitivus: cards in card_game now answer to mouse click
Primitivus: notification is shown when invalid card is played in card_game
Primitivus: SelectableText has now methods get_text and set_text
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Wed, 04 Aug 2010 17:57:51 +0800 |
| parents | 7fcb4f083686 |
| children | ae50b53ff868 |
| rev | line source |
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| 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): | |
| 121 | 26 """Edit box which doesn't show what is entered (show '*' or other char instead)""" |
| 113 | 27 |
| 28 def __init__(self, *args, **kwargs): | |
| 121 | 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 """ | |
| 113 | 32 self.hidden_char=kwargs['hidden_char'] if kwargs.has_key('hidden_char') else '*' |
| 33 self.__real_text='' | |
| 34 super(Password, self).__init__(*args, **kwargs) | |
| 35 | |
| 36 def set_edit_text(self, text): | |
| 37 self.__real_text = text | |
| 38 hidden_txt = len(text)*'*' | |
| 39 super(Password, self).set_edit_text(hidden_txt) | |
| 40 | |
| 41 def get_edit_text(self): | |
| 42 return self.__real_text | |
| 43 | |
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44 def insert_text(self, text): |
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45 self._edit_text = self.__real_text |
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46 super(Password,self).insert_text(text) |
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47 |
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48 def render(self, size, focus=False): |
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49 return super(Password, self).render(size, focus) |
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50 |
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51 class AdvancedEdit(urwid.Edit): |
| 121 | 52 """Edit box with some custom improvments |
| 53 new chars: | |
| 54 - C-a: like 'home' | |
| 55 - C-e: like 'end' | |
| 56 - C-k: remove everything on the right of the cursor | |
| 57 - C-w: remove the word on the back | |
| 58 new behaviour: emit a 'click' signal when enter is pressed""" | |
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59 signals = urwid.Edit.signals + ['click'] |
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60 |
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61 def keypress(self, size, key): |
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62 #TODO: insert mode is not managed yet |
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63 if key == 'ctrl a': |
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64 key = 'home' |
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65 elif key == 'ctrl e': |
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66 key = 'end' |
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67 elif key == 'ctrl k': |
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68 self._delete_highlighted() |
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69 self.set_edit_text(self.edit_text[:self.edit_pos]) |
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70 elif key == 'ctrl w': |
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71 before = self.edit_text[:self.edit_pos] |
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72 pos = before.rstrip().rfind(" ")+1 |
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73 self.set_edit_text(before[:pos] + self.edit_text[self.edit_pos:]) |
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74 self.set_edit_pos(pos) |
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75 elif key == 'enter': |
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76 self._emit('click') |
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77 return super(AdvancedEdit, self).keypress(size, key) |
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78 |
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79 |
| 120 | 80 class SurroundedText(urwid.FlowWidget): |
| 121 | 81 """Text centered on a repeated character (like a Divider, but with a text in the center)""" |
| 120 | 82 |
| 83 def __init__(self,text,car=utf8decode('─')): | |
| 84 self.text=text | |
| 85 self.car=car | |
| 86 | |
| 87 def rows(self,size,focus=False): | |
| 88 return self.display_widget(size, focus).rows(size, focus) | |
| 89 | |
| 90 def render(self, size, focus=False): | |
| 91 return self.display_widget(size, focus).render(size, focus) | |
| 92 | |
| 93 def display_widget(self, size, focus): | |
| 94 (maxcol,) = size | |
| 95 middle = (maxcol-len(self.text))/2 | |
| 96 render_text = middle * self.car + self.text + (maxcol - len(self.text) - middle) * self.car | |
| 97 return urwid.Text(render_text) | |
| 98 | |
| 113 | 99 class SelectableText(urwid.FlowWidget): |
| 120 | 100 """Text which can be selected with space""" |
| 113 | 101 signals = ['change'] |
| 102 | |
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103 def __init__(self, text, align='left', header='', select_attr=None, default_attr=None, selected = False, data=None): |
| 113 | 104 self.text=unicode(text) |
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105 self.header=header |
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106 if data: |
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107 self.data=data |
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108 if select_attr: |
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109 self.selected = select_attr |
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110 if default_attr: |
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111 self.default = default_attr |
| 113 | 112 self.align = align |
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113 self.__selected=selected |
| 113 | 114 |
| 115 def getValue(self): | |
| 116 return self.text | |
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117 |
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118 def get_text(self): |
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119 """for compatibility with urwid.Text""" |
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120 return self.getValue() |
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121 |
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122 def set_text(self, text): |
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123 self.text=unicode(text) |
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124 self._invalidate() |
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125 |
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126 def setAttribute(self, name, value): |
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127 """Change attribut used for rendering widget |
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128 @param name: one of |
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129 -default: when not selected |
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130 -selected: when selected |
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131 @param value: name of the attribute |
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132 /!\ the attribute name followed by _focus is used when widget has focus""" |
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133 assert name in ['default', 'selected'] |
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134 self.__setattr__(name,value) |
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135 self._invalidate() |
| 113 | 136 |
| 137 def setState(self, selected, invisible=False): | |
| 138 """Change state | |
| 139 @param selected: boolean state value | |
| 140 @param invisible: don't emit change signal if True""" | |
| 141 assert(type(selected)==bool) | |
| 142 self.__selected=selected | |
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143 self._invalidate() |
| 113 | 144 if not invisible: |
| 145 self._emit("change", self.__selected) | |
| 146 | |
| 147 def getState(self): | |
| 148 return self.__selected | |
| 149 | |
| 150 def selectable(self): | |
| 151 return True | |
| 152 | |
| 153 def keypress(self, size, key): | |
| 154 if key==' ' or key=='enter': | |
| 155 self.setState(not self.__selected) | |
| 156 else: | |
| 157 return key | |
| 158 | |
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159 def mouse_event(self, size, event, button, x, y, focus): |
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160 if urwid.is_mouse_press(event) and button == 1: |
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161 self.setState(not self.__selected) |
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162 return True |
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163 |
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164 return False |
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165 |
| 113 | 166 def rows(self,size,focus=False): |
| 167 return self.display_widget(size, focus).rows(size, focus) | |
| 168 | |
| 169 def render(self, size, focus=False): | |
| 170 return self.display_widget(size, focus).render(size, focus) | |
| 171 | |
| 172 def display_widget(self, size, focus): | |
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173 try: |
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174 select_attr = self.selected |
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175 except AttributeError: |
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176 select_attr = 'selected' |
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177 try: |
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178 default_attr = self.default |
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179 except AttributeError: |
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180 default_attr = 'default' |
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181 attr = select_attr if self.__selected else default_attr |
| 113 | 182 if focus: |
| 183 attr+="_focus" | |
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184 return urwid.Text((attr,self.header+self.text), align=self.align) |
| 113 | 185 |
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186 class ClickableText(SelectableText): |
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187 signals = SelectableText.signals + ['click'] |
| 124 | 188 |
| 189 def setState(self, selected, invisible=False): | |
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190 self._emit('click') |
| 124 | 191 |
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192 class CustomButton(ClickableText): |
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193 |
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194 def __init__(self, label, on_press=None, user_data=None, left_border = "[ ", right_border = " ]"): |
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195 self.label = label |
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196 render_txt = "%s%s%s" % (left_border, label, right_border) |
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197 self.size = len(render_txt) |
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198 super(CustomButton, self).__init__(render_txt) |
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199 if on_press: |
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200 urwid.connect_signal(self, 'click', on_press, user_data) |
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201 |
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202 def getSize(self): |
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203 """Return representation size of the button""" |
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204 return self.size |
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205 |
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206 def get_label(self): |
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207 return self.label |
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208 |
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209 class GenericList(urwid.WidgetWrap): |
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210 signals = ['click','change'] |
| 113 | 211 |
| 124 | 212 def __init__(self, options, style=[], align='left', option_type = SelectableText, on_click=None, on_change=None, user_data=None): |
|
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213 """ |
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214 Widget managing list of string and their selection |
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215 @param options: list of strings used for options |
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216 @param style: list of string: |
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217 - 'single' if only one must be selected |
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218 - 'no_first_select' nothing selected when list is first displayed |
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219 - 'can_select_none' if we can select nothing |
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220 @param align: alignement of text inside the list |
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221 @param on_click: method called when click signal is emited |
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222 @param user_data: data sent to the callback for click signal |
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223 """ |
| 113 | 224 self.single = 'single' in style |
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225 self.no_first_select = 'no_first_select' in style |
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226 self.can_select_none = 'can_select_none' in style |
| 113 | 227 self.align = align |
| 124 | 228 self.option_type = option_type |
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229 self.first_display = True |
| 113 | 230 |
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231 if on_click: |
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232 urwid.connect_signal(self, 'click', on_click, user_data) |
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233 |
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234 if on_change: |
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235 urwid.connect_signal(self, 'change', on_change, user_data) |
| 113 | 236 |
| 114 | 237 self.content = urwid.SimpleListWalker([]) |
| 113 | 238 self.list_box = urwid.ListBox(self.content) |
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239 urwid.WidgetWrap.__init__(self, self.list_box) |
| 114 | 240 self.changeValues(options) |
| 113 | 241 |
| 242 def __onStateChange(self, widget, selected): | |
| 243 if self.single: | |
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244 if not selected and not self.can_select_none: |
| 113 | 245 #if in single mode, it's forbidden to unselect a value |
| 246 widget.setState(True, invisible=True) | |
| 247 return | |
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248 if selected: |
| 113 | 249 self.unselectAll(invisible=True) |
| 250 widget.setState(True, invisible=True) | |
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251 self._emit("click") |
| 113 | 252 |
| 253 | |
| 254 def unselectAll(self, invisible=False): | |
| 255 for widget in self.content: | |
| 256 if widget.getState(): | |
| 257 widget.setState(False, invisible) | |
| 258 widget._invalidate() | |
| 259 | |
|
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260 def deleteValue(self, value): |
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261 """Delete the first value equal to the param given""" |
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262 for widget in self.content: |
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263 if widget.getValue() == value: |
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264 self.content.remove(widget) |
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265 self._emit('change') |
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266 return |
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267 raise ValueError("%s ==> %s" % (str(value),str(self.content))) |
|
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268 |
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269 def getSelectedValue(self): |
| 114 | 270 """Convenience method to get the value selected as a string in single mode, or None""" |
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271 values = self.getSelectedValues() |
| 114 | 272 return values[0] if values else None |
| 273 | |
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274 def getAllValues(self): |
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275 """Return values of all items""" |
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276 return [widget.getValue() for widget in self.content] |
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277 |
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278 def getSelectedValues(self): |
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279 """Return values of selected items""" |
| 113 | 280 result = [] |
| 281 for widget in self.content: | |
| 282 if widget.getState(): | |
| 283 result.append(widget.getValue()) | |
| 284 return result | |
| 285 | |
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286 def getDisplayWidget(self): |
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287 return self.list_box |
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288 |
| 113 | 289 def changeValues(self, new_values): |
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290 """Change all value in one shot""" |
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291 if not self.first_display: |
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292 old_selected = self.getSelectedValues() |
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293 widgets = [] |
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294 for option in new_values: |
| 124 | 295 widget = self.option_type(option, self.align) |
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296 if not self.first_display and option in old_selected: |
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297 widget.setState(True) |
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298 widgets.append(widget) |
| 124 | 299 try: |
| 300 urwid.connect_signal(widget, 'change', self.__onStateChange) | |
| 301 except NameError: | |
| 302 pass #the widget given doesn't support 'change' signal | |
| 113 | 303 self.content[:] = widgets |
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304 if self.first_display and self.single and new_values and not self.no_first_select: |
| 114 | 305 self.content[0].setState(True) |
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306 display_widget = self.getDisplayWidget() |
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307 self._set_w(display_widget) |
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308 self._emit('change') |
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309 self.first_display = False |
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310 |
| 113 | 311 def selectValue(self, value): |
| 312 self.unselectAll() | |
| 313 idx = 0 | |
| 314 for widget in self.content: | |
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315 if widget.getSelectedValue() == value: |
| 113 | 316 widget.setState(True) |
| 317 self.list_box.set_focus(idx) | |
| 318 return | |
| 319 idx+=1 | |
| 320 | |
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321 class List(urwid.FlowWidget): |
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322 """FlowWidget list, same arguments as GenericList, with an additional one 'max_height'""" |
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323 signals = ['click','change'] |
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324 |
| 124 | 325 def __init__(self, options, style=[], max_height=5, align='left', option_type = SelectableText, on_click=None, on_change=None, user_data=None): |
| 326 self.genericList = GenericList(options, style, align, option_type, on_click, on_change, user_data) | |
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327 self.max_height = max_height |
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328 |
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329 def selectable(self): |
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330 return True |
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331 |
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332 def keypress(self, size, key): |
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333 return self.displayWidget(size,True).keypress(size, key) |
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334 |
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335 def unselectAll(self, invisible=False): |
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336 return self.genericList.unselectAll(invisible) |
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337 |
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338 def deleteValue(self, value): |
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339 return self.genericList.deleteValue(value) |
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340 |
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341 def getSelectedValue(self): |
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342 return self.genericList.getSelectedValue() |
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343 |
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344 def getAllValues(self): |
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345 return self.genericList.getAllValues() |
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346 |
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347 def getSelectedValues(self): |
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348 return self.genericList.getSelectedValues() |
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349 |
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350 def changeValues(self, new_values): |
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351 return self.genericList.changeValues(new_values) |
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352 |
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353 def selectValue(self, value): |
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354 return self.genericList.selectValue(value) |
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355 |
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356 def render(self, size, focus=False): |
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357 return self.displayWidget(size, focus).render(size, focus) |
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358 |
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359 def rows(self, size, focus=False): |
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360 return self.displayWidget(size, focus).rows(size, focus) |
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361 |
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362 def displayWidget(self, size, focus): |
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363 list_size = sum([wid.rows(size, focus) for wid in self.genericList.content]) |
| 120 | 364 height = min(list_size,self.max_height) or 1 |
|
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365 return urwid.BoxAdapter(self.genericList, height) |
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366 |
|
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367 ## MISC ## |
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368 |
|
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369 class NotificationBar(urwid.WidgetWrap): |
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370 """Bar used to show misc information to user""" |
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371 signals = ['change'] |
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372 |
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373 def __init__(self): |
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374 self.waitNotifs = urwid.Text('') |
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375 self.message = ClickableText('', default_attr='notifs') |
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376 urwid.connect_signal(self.message, 'click', lambda wid: self.showNext()) |
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377 self.columns = urwid.Columns([('fixed',6,self.waitNotifs),self.message]) |
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378 urwid.WidgetWrap.__init__(self, urwid.AttrMap(self.columns,'notifs')) |
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379 self.notifs = [] |
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380 |
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381 def __modQueue(self): |
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382 """must be called each time the notifications queue is changed""" |
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383 self.waitNotifs.set_text("(%i)" % len(self.notifs) if self.notifs else '') |
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384 self._emit('change') |
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385 |
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386 def addPopUp(self, pop_up_widget): |
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387 """Add a popup to the waiting queue""" |
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388 self.notifs.append(('popup',pop_up_widget)) |
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389 self.__modQueue() |
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390 |
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391 def addMessage(self, message): |
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392 "Add a message to the notificatio bar" |
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393 if not self.message.get_text(): |
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394 self.message.set_text(message) |
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395 self._invalidate() |
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396 self._emit('change') |
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397 else: |
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398 self.notifs.append(('message',message)) |
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399 self.__modQueue() |
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400 |
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401 def showNext(self): |
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402 """Show next message if any, else delete current message""" |
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403 found = None |
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404 for notif in self.notifs: |
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405 if notif[0] == "message": |
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406 found = notif |
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407 break |
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408 if found: |
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409 self.notifs.remove(found) |
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410 self.message.set_text(found[1]) |
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411 self.__modQueue() |
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412 else: |
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413 self.message.set_text('') |
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414 self._emit('change') |
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415 |
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416 def getNextPopup(self): |
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417 """Return next pop-up and remove it from the queue |
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418 @return: pop-up or None if there is no more in the queue""" |
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419 ret = None |
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420 for notif in self.notifs: |
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421 if notif[0] == 'popup': |
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422 ret = notif[1] |
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423 break |
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424 if ret: |
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425 self.notifs.remove(notif) |
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426 self.__modQueue() |
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427 return ret |
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428 |
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429 def isQueueEmpty(self): |
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430 return not bool(self.notifs) |
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431 |
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432 def canHide(self): |
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433 """Return True if there is now important information to show""" |
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434 return self.isQueueEmpty() and not self.message.get_text() |
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435 |
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436 |
| 131 | 437 class MenuBox(urwid.WidgetWrap): |
|
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438 """Show menu items of a category in a box""" |
| 131 | 439 signals = ['click'] |
| 440 | |
| 441 def __init__(self,parent,items): | |
| 442 self.parent = parent | |
| 443 self.selected = None | |
| 444 content = urwid.SimpleListWalker([ClickableText(text,default_attr='menuitem') for text in items]) | |
| 445 for wid in content: | |
| 446 urwid.connect_signal(wid, 'click', self.onClick) | |
| 447 | |
| 448 self.listBox = urwid.ListBox(content) | |
| 449 menubox = urwid.LineBox(urwid.BoxAdapter(self.listBox,len(items))) | |
| 450 urwid.WidgetWrap.__init__(self,menubox) | |
| 451 | |
| 452 def getValue(self): | |
| 453 return self.selected | |
| 454 | |
| 455 def keypress(self, size, key): | |
| 456 if key=='up': | |
| 457 if self.listBox.get_focus()[1] == 0: | |
| 458 self.parent.keypress(size, key) | |
| 459 elif key=='left' or key=='right': | |
| 460 self.parent.keypress(size,'up') | |
| 461 self.parent.keypress(size,key) | |
| 462 return super(MenuBox,self).keypress(size,key) | |
| 463 | |
| 464 def onClick(self, wid): | |
| 465 self.selected = wid.getValue() | |
| 466 self._emit('click') | |
| 467 | |
|
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468 class Menu(urwid.FlowWidget): |
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469 |
|
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470 def __init__(self,loop, x_orig=0): |
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471 """Menu widget |
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472 @param loop: main loop of urwid |
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473 @param x_orig: absolute start of the abscissa |
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474 """ |
|
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475 super(Menu, self).__init__() |
| 131 | 476 self.loop = loop |
| 477 self.menu_keys = [] | |
| 478 self.menu = {} | |
|
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479 self.x_orig = x_orig |
|
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480 self.shortcuts = {} #keyboard shortcuts |
| 131 | 481 self.focus_menu = 0 |
| 482 self.save_bottom = None | |
| 483 | |
| 484 def selectable(self): | |
| 485 return True | |
|
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486 |
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487 def getMenuSize(self): |
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488 """return the current number of categories in this menu""" |
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489 return len(self.menu_keys) |
|
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490 |
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491 def setOrigX(self, orig_x): |
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492 self.x_orig = orig_x |
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493 |
| 131 | 494 def __buildOverlay(self,menu_key,columns): |
| 495 """Build the overlay menu which show menuitems | |
| 496 @param menu_key: name of the category | |
| 497 @colums: column number where the menubox must be displayed""" | |
| 498 max_len = 0 | |
| 499 for item in self.menu[menu_key]: | |
| 500 if len(item[0]) > max_len: | |
| 501 max_len = len(item[0]) | |
| 502 | |
| 503 self.save_bottom = self.loop.widget | |
| 504 menu_box = MenuBox(self,[item[0] for item in self.menu[menu_key]]) | |
| 505 urwid.connect_signal(menu_box, 'click', self.onClick) | |
| 506 | |
| 507 self.loop.widget = urwid.Overlay(urwid.AttrMap(menu_box,'menubar'),self.save_bottom,('fixed left', columns),max_len+2,('fixed top',1),None) | |
| 508 | |
| 509 def keypress(self, size, key): | |
| 510 if key == 'right' and self.focus_menu < len(self.menu)-1: | |
| 511 self.focus_menu += 1 | |
| 512 self._invalidate() | |
| 513 elif key == 'left' and self.focus_menu > 0: | |
| 514 self.focus_menu -= 1 | |
| 515 self._invalidate() | |
|
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516 return |
| 131 | 517 elif key == 'down': |
|
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518 if self.menu_keys and not self.save_bottom: |
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519 column = sum([len(menu)+4 for menu in self.menu_keys[0:self.focus_menu]],self.focus_menu+self.x_orig) |
| 131 | 520 self.__buildOverlay(self.menu_keys[self.focus_menu],column) |
| 521 elif key == 'up': | |
| 522 if self.save_bottom: | |
| 523 self.loop.widget = self.save_bottom | |
| 524 self.save_bottom = None | |
| 525 | |
| 526 return key | |
|
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527 |
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528 def checkShortcuts(self, key): |
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529 for shortcut in self.shortcuts.keys(): |
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530 if key == shortcut: |
| 131 | 531 category, item, callback = self.shortcuts[shortcut] |
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532 callback((category, item)) |
|
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533 return key |
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534 |
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535 def addMenu(self, category, item, callback, shortcut=None): |
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536 """Add a menu item, create the category if new |
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537 @param category: category of the menu (e.g. File/Edit) |
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538 @param item: menu item (e.g. new/close/about) |
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539 @callback: method to call when item is selected""" |
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540 if not category in self.menu.keys(): |
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541 self.menu_keys.append(category) |
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542 self.menu[category] = [] |
| 131 | 543 self.menu[category].append((item, callback)) |
|
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544 if shortcut: |
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545 assert(shortcut not in self.shortcuts.keys()) |
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546 self.shortcuts[shortcut] = (category, item, callback) |
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547 |
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548 def rows(self,size,focus=False): |
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549 return self.display_widget(size, focus).rows(size, focus) |
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550 |
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551 def render(self, size, focus=False): |
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552 return self.display_widget(size, focus).render(size, focus) |
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553 |
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554 def display_widget(self, size, focus): |
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555 render_txt = [] |
| 131 | 556 idx = 0 |
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557 for menu in self.menu_keys: |
| 131 | 558 if focus and idx == self.focus_menu: |
| 559 render_txt.append(('selected_menu', '[ %s ]' % menu)) | |
| 560 render_txt.append(' ') | |
| 561 else: | |
| 562 render_txt.append('[ %s ] ' % menu) | |
| 563 idx += 1 | |
|
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564 return urwid.AttrMap(urwid.Text(render_txt), 'menubar') |
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565 |
| 131 | 566 def onClick(self, widget): |
| 567 category = self.menu_keys[self.focus_menu] | |
| 568 item = widget.getValue() | |
| 569 for menu_item in self.menu[category]: | |
| 570 if item == menu_item[0]: | |
| 571 callback = menu_item[1] | |
| 572 break | |
| 573 if callback: | |
| 574 self.keypress(None,'up') | |
| 575 callback((category, item)) | |
| 576 | |
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577 class MenuRoller(urwid.WidgetWrap): |
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578 |
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579 def __init__(self,menus_list): |
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580 """Create a MenuRoller |
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581 @param menus_list: list of tuple with (name, Menu_instance), name can be None |
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582 """ |
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583 assert (menus_list) |
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584 self.selected = 0 |
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585 self.name_list = [] |
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586 self.menus = {} |
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587 |
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588 self.columns = urwid.Columns([urwid.Text(''),urwid.Text('')]) |
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589 urwid.WidgetWrap.__init__(self, self.columns) |
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590 |
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591 for menu_tuple in menus_list: |
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592 name,menu = menu_tuple |
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593 self.addMenu(name, menu) |
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594 |
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595 def __showSelected(self): |
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596 """show menu selected""" |
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597 name_txt = u'\u21c9 '+self.name_list[self.selected]+u' \u21c7 ' |
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598 current_name = ClickableText(name_txt) |
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599 name_len = len(name_txt) |
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600 current_menu = self.menus[self.name_list[self.selected]] |
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601 current_menu.setOrigX(name_len) |
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602 self.columns.widget_list[0] = current_name |
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603 self.columns.column_types[0]=('fixed', name_len) |
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604 self.columns.widget_list[1] = current_menu |
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605 |
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606 def keypress(self, size, key): |
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607 if key=='up': |
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608 if self.columns.get_focus_column()==0 and self.selected > 0: |
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609 self.selected -= 1 |
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610 self.__showSelected() |
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611 elif key=='down': |
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612 if self.columns.get_focus_column()==0 and self.selected < len(self.name_list)-1: |
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613 self.selected += 1 |
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614 self.__showSelected() |
|
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615 elif key=='right': |
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616 if self.columns.get_focus_column()==0 and \ |
|
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617 (isinstance(self.columns.widget_list[1], urwid.Text) or \ |
|
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618 self.menus[self.name_list[self.selected]].getMenuSize()==0): |
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619 return #if we have no menu or the menu is empty, we don't go the right column |
|
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620 |
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621 return super(MenuRoller, self).keypress(size, key) |
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622 |
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623 def addMenu(self, name_param, menu): |
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624 name = name_param or '' |
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625 if name not in self.name_list: |
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626 self.name_list.append(name) |
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627 self.menus[name] = menu |
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628 if self.name_list[self.selected] == name: |
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629 self.__showSelected() #if we are on the menu, we update it |
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630 |
|
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631 def removeMenu(self, name): |
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632 if name in self.name_list: |
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633 self.name_list.remove(name) |
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634 if name in self.menus.keys(): |
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635 del self.menus[name] |
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636 self.selected = 0 |
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637 self.__showSelected() |
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638 |
|
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639 def checkShortcuts(self, key): |
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640 for menu in self.name_list: |
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641 key = self.menus[menu].checkShortcuts(key) |
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642 return key |
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643 |
|
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644 |
| 120 | 645 ## DIALOGS ## |
| 646 | |
|
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647 class GenericDialog(urwid.WidgetWrap): |
| 113 | 648 |
| 649 def __init__(self, widgets_lst, title, style=[], **kwargs): | |
| 650 frame_header = urwid.AttrMap(urwid.Text(title,'center'),'title') | |
| 651 | |
| 652 buttons = None | |
| 653 | |
| 654 if "OK/CANCEL" in style: | |
| 655 buttons = [urwid.Button(_("Cancel"), kwargs['cancel_cb']), | |
| 656 urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 657 elif "YES/NO" in style: | |
| 658 buttons = [urwid.Button(_("Yes"), kwargs['yes_cb']), | |
| 659 urwid.Button(_("No"), kwargs['no_cb'], kwargs['yes_value'])] | |
| 114 | 660 if "OK" in style: |
| 661 buttons = [urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 113 | 662 if buttons: |
| 663 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center') | |
| 664 widgets_lst.append(buttons_flow) | |
| 665 body_content = urwid.SimpleListWalker(widgets_lst) | |
| 666 frame_body = urwid.ListBox(body_content) | |
| 667 frame = urwid.Frame(frame_body, frame_header) | |
| 668 decorated_frame = urwid.LineBox(frame) | |
| 669 urwid.WidgetWrap.__init__(self, decorated_frame) | |
| 670 | |
| 671 | |
| 672 | |
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673 class InputDialog(GenericDialog): |
| 121 | 674 """Dialog with an edit box""" |
| 113 | 675 |
| 120 | 676 def __init__(self, title, instrucions, style=['OK/CANCEL'], default_txt = '', **kwargs): |
| 113 | 677 instr_wid = urwid.Text(instrucions+':') |
| 120 | 678 edit_box = urwid.Edit(edit_text=default_txt) |
|
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679 GenericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs) |
| 113 | 680 |
|
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681 class ConfirmDialog(GenericDialog): |
| 121 | 682 """Dialog with buttons for confirm or cancel an action""" |
| 113 | 683 |
| 684 def __init__(self, title, style=['YES/NO'], **kwargs): | |
|
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685 GenericDialog.__init__(self, [], title, style, yes_value=None, **kwargs) |
| 114 | 686 |
|
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687 class Alert(GenericDialog): |
| 121 | 688 """Dialog with just a message and a OK button""" |
| 114 | 689 |
| 690 def __init__(self, title, message, style=['OK'], **kwargs): | |
|
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691 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) |
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692 |
| 120 | 693 ## CONTAINERS ## |
| 694 | |
|
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695 class FocusFrame(urwid.Frame): |
| 121 | 696 """Frame which manage 'tab' key""" |
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697 |
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698 def keypress(self, size, key): |
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699 if key == 'tab': |
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700 focus_list = ('header','body','footer') |
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701 focus_idx = focus_list.index(self.focus_part) |
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702 for i in range(2): |
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703 focus_idx = (focus_idx + 1) % len(focus_list) |
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704 focus_name = focus_list[focus_idx] |
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705 widget = getattr(self,'_'+focus_name) |
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706 if widget!=None and widget.selectable(): |
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707 self.set_focus(focus_name) |
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708 |
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709 return urwid.Frame.keypress(self, size, key) |
| 120 | 710 |
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711 class TabsContainer(urwid.WidgetWrap): |
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712 signals = ['click'] |
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713 |
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714 def __init__(self): |
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715 #self._current_tab = 0 |
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716 self._buttons_cont = urwid.GridFlow([],19,1,0,'left') |
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717 self.tabs = [] |
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718 self.__frame = urwid.Frame(urwid.Text(''),urwid.Pile([self._buttons_cont,urwid.Divider(u"─")])) |
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719 urwid.WidgetWrap.__init__(self, self.__frame) |
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720 |
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721 """def selectable(self): |
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722 return True |
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723 |
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724 def keypress(self, size, key): |
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725 return key""" |
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726 |
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727 def __buttonClicked(self, button, invisible=False): |
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728 """Called when a button on the tab is changed, |
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729 change the page |
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730 @param button: button clicked |
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731 @param invisible: emit signal only if False""" |
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732 tab_name = button.get_label() |
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733 for tab in self.tabs: |
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734 if tab[0] == tab_name: |
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735 break |
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736 if tab[0] != tab_name: |
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737 error(_("INTERNAL ERROR: Tab not found")) |
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738 assert(False) |
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739 self.__frame.body = tab[1] |
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740 if not invisible: |
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741 self._emit('click') |
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742 |
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743 def __appendButton(self, name): |
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744 """Append a button to the frame header, |
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745 and link it to the page change method""" |
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746 button = CustomButton(name, self.__buttonClicked, left_border = '', right_border=' |') |
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747 self._buttons_cont.cells.append(button) |
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748 if len(self._buttons_cont.cells): |
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749 #first button: we set the focus and the body |
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750 self._buttons_cont.set_focus(0) |
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751 self.__buttonClicked(button,True) |
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752 |
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753 def addTab(self,name,content=[]): |
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754 """Add a page to the container |
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755 @param name: name of the page (what appear on the tab) |
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756 @param content: content of the page |
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757 @return: ListBox (content of the page)""" |
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758 listbox = urwid.ListBox(urwid.SimpleListWalker(content)) |
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759 self.tabs.append([name,listbox]) |
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760 self.__appendButton(name) |
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761 return listbox |
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762 |
| 120 | 763 ## DECORATORS ## |
| 764 class LabelLine(urwid.LineBox): | |
| 121 | 765 """Like LineBox, but with a Label centered in the top line""" |
| 120 | 766 |
| 767 def __init__(self, original_widget, label_widget): | |
| 768 urwid.LineBox.__init__(self, original_widget) | |
| 769 top_columns = self._w.widget_list[0] | |
| 770 top_columns.widget_list[1] = label_widget | |
| 124 | 771 |
| 772 class VerticalSeparator(urwid.WidgetDecoration, urwid.WidgetWrap): | |
| 773 def __init__(self, original_widget, left_char = utf8decode("│"), right_char = ''): | |
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774 """Draw a separator on left and/or right of original_widget.""" |
| 120 | 775 |
| 124 | 776 widgets = [original_widget] |
| 777 if left_char: | |
| 778 widgets.insert(0, ('fixed', 1, urwid.SolidFill(left_char))) | |
| 779 if right_char: | |
| 780 widgets.append(('fixed', 1, urwid.SolidFill(right_char))) | |
| 781 columns = urwid.Columns(widgets, box_columns = [0,2], focus_column = 1) | |
| 782 urwid.WidgetDecoration.__init__(self, original_widget) | |
| 783 urwid.WidgetWrap.__init__(self, columns) | |
| 784 | |
| 785 |