Mercurial > libervia-backend
annotate frontends/primitivus/custom_widgets.py @ 151:7fcb4f083686
Primitivus: custom_widgets imrpovments
- new container: TabsContainer
- menu roller can now remove a menu
- new Button: CustomButton (use ClickableText, and we can define the borders)
- SelectableText now manage mouse events
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 30 Jul 2010 18:43:09 +0800 |
| parents | 80661755ea8d |
| children | 2fa58703f1b7 |
| 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): | |
| 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 setAttribute(self, name, value): |
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119 """Change attribut used for rendering widget |
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120 @param name: one of |
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121 -default: when not selected |
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122 -selected: when selected |
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123 @param value: name of the attribute |
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124 /!\ the attribute name followed by _focus is used when widget has focus""" |
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125 assert name in ['default', 'selected'] |
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126 self.__setattr__(name,value) |
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127 self._invalidate() |
| 113 | 128 |
| 129 def setState(self, selected, invisible=False): | |
| 130 """Change state | |
| 131 @param selected: boolean state value | |
| 132 @param invisible: don't emit change signal if True""" | |
| 133 assert(type(selected)==bool) | |
| 134 self.__selected=selected | |
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135 self._invalidate() |
| 113 | 136 if not invisible: |
| 137 self._emit("change", self.__selected) | |
| 138 | |
| 139 def getState(self): | |
| 140 return self.__selected | |
| 141 | |
| 142 def selectable(self): | |
| 143 return True | |
| 144 | |
| 145 def keypress(self, size, key): | |
| 146 if key==' ' or key=='enter': | |
| 147 self.setState(not self.__selected) | |
| 148 else: | |
| 149 return key | |
| 150 | |
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151 def mouse_event(self, size, event, button, x, y, focus): |
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152 if urwid.is_mouse_press(event) and button == 1: |
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153 self.setState(not self.__selected) |
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154 return True |
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155 |
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156 return False |
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157 |
| 113 | 158 def rows(self,size,focus=False): |
| 159 return self.display_widget(size, focus).rows(size, focus) | |
| 160 | |
| 161 def render(self, size, focus=False): | |
| 162 return self.display_widget(size, focus).render(size, focus) | |
| 163 | |
| 164 def display_widget(self, size, focus): | |
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165 try: |
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166 select_attr = self.selected |
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167 except AttributeError: |
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168 select_attr = 'selected' |
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169 try: |
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170 default_attr = self.default |
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171 except AttributeError: |
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172 default_attr = 'default' |
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173 attr = select_attr if self.__selected else default_attr |
| 113 | 174 if focus: |
| 175 attr+="_focus" | |
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176 return urwid.Text((attr,self.header+self.text), align=self.align) |
| 113 | 177 |
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178 class ClickableText(SelectableText): |
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179 signals = SelectableText.signals + ['click'] |
| 124 | 180 |
| 181 def setState(self, selected, invisible=False): | |
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182 self._emit('click') |
| 124 | 183 |
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184 class CustomButton(ClickableText): |
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185 |
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186 def __init__(self, label, on_press=None, user_data=None, left_border = "[ ", right_border = " ]"): |
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187 self.label = label |
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188 render_txt = "%s%s%s" % (left_border, label, right_border) |
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189 self.size = len(render_txt) |
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190 super(CustomButton, self).__init__(render_txt) |
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191 if on_press: |
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192 urwid.connect_signal(self, 'click', on_press, user_data) |
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193 |
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194 def getSize(self): |
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195 """Return representation size of the button""" |
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196 return self.size |
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197 |
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198 def get_label(self): |
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199 return self.label |
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200 |
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201 class GenericList(urwid.WidgetWrap): |
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202 signals = ['click','change'] |
| 113 | 203 |
| 124 | 204 def __init__(self, options, style=[], align='left', option_type = SelectableText, on_click=None, on_change=None, user_data=None): |
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205 """ |
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206 Widget managing list of string and their selection |
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207 @param options: list of strings used for options |
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208 @param style: list of string: |
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209 - 'single' if only one must be selected |
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210 - 'no_first_select' nothing selected when list is first displayed |
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211 - 'can_select_none' if we can select nothing |
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212 @param align: alignement of text inside the list |
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213 @param on_click: method called when click signal is emited |
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214 @param user_data: data sent to the callback for click signal |
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215 """ |
| 113 | 216 self.single = 'single' in style |
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217 self.no_first_select = 'no_first_select' in style |
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218 self.can_select_none = 'can_select_none' in style |
| 113 | 219 self.align = align |
| 124 | 220 self.option_type = option_type |
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221 self.first_display = True |
| 113 | 222 |
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223 if on_click: |
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224 urwid.connect_signal(self, 'click', on_click, user_data) |
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225 |
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226 if on_change: |
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227 urwid.connect_signal(self, 'change', on_change, user_data) |
| 113 | 228 |
| 114 | 229 self.content = urwid.SimpleListWalker([]) |
| 113 | 230 self.list_box = urwid.ListBox(self.content) |
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231 urwid.WidgetWrap.__init__(self, self.list_box) |
| 114 | 232 self.changeValues(options) |
| 113 | 233 |
| 234 def __onStateChange(self, widget, selected): | |
| 235 if self.single: | |
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236 if not selected and not self.can_select_none: |
| 113 | 237 #if in single mode, it's forbidden to unselect a value |
| 238 widget.setState(True, invisible=True) | |
| 239 return | |
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240 if selected: |
| 113 | 241 self.unselectAll(invisible=True) |
| 242 widget.setState(True, invisible=True) | |
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243 self._emit("click") |
| 113 | 244 |
| 245 | |
| 246 def unselectAll(self, invisible=False): | |
| 247 for widget in self.content: | |
| 248 if widget.getState(): | |
| 249 widget.setState(False, invisible) | |
| 250 widget._invalidate() | |
| 251 | |
|
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252 def deleteValue(self, value): |
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253 """Delete the first value equal to the param given""" |
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254 for widget in self.content: |
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255 if widget.getValue() == value: |
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256 self.content.remove(widget) |
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257 self._emit('change') |
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258 return |
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259 raise ValueError("%s ==> %s" % (str(value),str(self.content))) |
|
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260 |
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261 def getSelectedValue(self): |
| 114 | 262 """Convenience method to get the value selected as a string in single mode, or None""" |
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263 values = self.getSelectedValues() |
| 114 | 264 return values[0] if values else None |
| 265 | |
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266 def getAllValues(self): |
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267 """Return values of all items""" |
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268 return [widget.getValue() for widget in self.content] |
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269 |
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270 def getSelectedValues(self): |
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271 """Return values of selected items""" |
| 113 | 272 result = [] |
| 273 for widget in self.content: | |
| 274 if widget.getState(): | |
| 275 result.append(widget.getValue()) | |
| 276 return result | |
| 277 | |
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278 def getDisplayWidget(self): |
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279 return self.list_box |
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280 |
| 113 | 281 def changeValues(self, new_values): |
|
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282 """Change all value in one shot""" |
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283 if not self.first_display: |
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284 old_selected = self.getSelectedValues() |
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285 widgets = [] |
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286 for option in new_values: |
| 124 | 287 widget = self.option_type(option, self.align) |
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288 if not self.first_display and option in old_selected: |
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289 widget.setState(True) |
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290 widgets.append(widget) |
| 124 | 291 try: |
| 292 urwid.connect_signal(widget, 'change', self.__onStateChange) | |
| 293 except NameError: | |
| 294 pass #the widget given doesn't support 'change' signal | |
| 113 | 295 self.content[:] = widgets |
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296 if self.first_display and self.single and new_values and not self.no_first_select: |
| 114 | 297 self.content[0].setState(True) |
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298 display_widget = self.getDisplayWidget() |
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299 self._set_w(display_widget) |
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300 self._emit('change') |
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301 self.first_display = False |
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302 |
| 113 | 303 def selectValue(self, value): |
| 304 self.unselectAll() | |
| 305 idx = 0 | |
| 306 for widget in self.content: | |
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307 if widget.getSelectedValue() == value: |
| 113 | 308 widget.setState(True) |
| 309 self.list_box.set_focus(idx) | |
| 310 return | |
| 311 idx+=1 | |
| 312 | |
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313 class List(urwid.FlowWidget): |
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314 """FlowWidget list, same arguments as GenericList, with an additional one 'max_height'""" |
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315 signals = ['click','change'] |
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316 |
| 124 | 317 def __init__(self, options, style=[], max_height=5, align='left', option_type = SelectableText, on_click=None, on_change=None, user_data=None): |
| 318 self.genericList = GenericList(options, style, align, option_type, on_click, on_change, user_data) | |
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319 self.max_height = max_height |
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320 |
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321 def selectable(self): |
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322 return True |
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323 |
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324 def keypress(self, size, key): |
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325 return self.displayWidget(size,True).keypress(size, key) |
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326 |
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327 def unselectAll(self, invisible=False): |
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328 return self.genericList.unselectAll(invisible) |
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329 |
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330 def deleteValue(self, value): |
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331 return self.genericList.deleteValue(value) |
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332 |
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333 def getSelectedValue(self): |
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334 return self.genericList.getSelectedValue() |
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335 |
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336 def getAllValues(self): |
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337 return self.genericList.getAllValues() |
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338 |
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339 def getSelectedValues(self): |
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340 return self.genericList.getSelectedValues() |
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341 |
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342 def changeValues(self, new_values): |
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343 return self.genericList.changeValues(new_values) |
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344 |
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345 def selectValue(self, value): |
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346 return self.genericList.selectValue(value) |
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347 |
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348 def render(self, size, focus=False): |
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349 return self.displayWidget(size, focus).render(size, focus) |
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350 |
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351 def rows(self, size, focus=False): |
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352 return self.displayWidget(size, focus).rows(size, focus) |
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353 |
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354 def displayWidget(self, size, focus): |
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355 list_size = sum([wid.rows(size, focus) for wid in self.genericList.content]) |
| 120 | 356 height = min(list_size,self.max_height) or 1 |
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357 return urwid.BoxAdapter(self.genericList, height) |
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358 |
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359 ## MISC ## |
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360 |
| 131 | 361 class MenuBox(urwid.WidgetWrap): |
|
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362 """Show menu items of a category in a box""" |
| 131 | 363 signals = ['click'] |
| 364 | |
| 365 def __init__(self,parent,items): | |
| 366 self.parent = parent | |
| 367 self.selected = None | |
| 368 content = urwid.SimpleListWalker([ClickableText(text,default_attr='menuitem') for text in items]) | |
| 369 for wid in content: | |
| 370 urwid.connect_signal(wid, 'click', self.onClick) | |
| 371 | |
| 372 self.listBox = urwid.ListBox(content) | |
| 373 menubox = urwid.LineBox(urwid.BoxAdapter(self.listBox,len(items))) | |
| 374 urwid.WidgetWrap.__init__(self,menubox) | |
| 375 | |
| 376 def getValue(self): | |
| 377 return self.selected | |
| 378 | |
| 379 def keypress(self, size, key): | |
| 380 if key=='up': | |
| 381 if self.listBox.get_focus()[1] == 0: | |
| 382 self.parent.keypress(size, key) | |
| 383 elif key=='left' or key=='right': | |
| 384 self.parent.keypress(size,'up') | |
| 385 self.parent.keypress(size,key) | |
| 386 return super(MenuBox,self).keypress(size,key) | |
| 387 | |
| 388 def onClick(self, wid): | |
| 389 self.selected = wid.getValue() | |
| 390 self._emit('click') | |
| 391 | |
|
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392 class Menu(urwid.FlowWidget): |
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393 |
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394 def __init__(self,loop, x_orig=0): |
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395 """Menu widget |
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396 @param loop: main loop of urwid |
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397 @param x_orig: absolute start of the abscissa |
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398 """ |
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399 super(Menu, self).__init__() |
| 131 | 400 self.loop = loop |
| 401 self.menu_keys = [] | |
| 402 self.menu = {} | |
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403 self.x_orig = x_orig |
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404 self.shortcuts = {} #keyboard shortcuts |
| 131 | 405 self.focus_menu = 0 |
| 406 self.save_bottom = None | |
| 407 | |
| 408 def selectable(self): | |
| 409 return True | |
|
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410 |
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411 def getMenuSize(self): |
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412 """return the current number of categories in this menu""" |
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413 return len(self.menu_keys) |
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414 |
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415 def setOrigX(self, orig_x): |
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416 self.x_orig = orig_x |
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417 |
| 131 | 418 def __buildOverlay(self,menu_key,columns): |
| 419 """Build the overlay menu which show menuitems | |
| 420 @param menu_key: name of the category | |
| 421 @colums: column number where the menubox must be displayed""" | |
| 422 max_len = 0 | |
| 423 for item in self.menu[menu_key]: | |
| 424 if len(item[0]) > max_len: | |
| 425 max_len = len(item[0]) | |
| 426 | |
| 427 self.save_bottom = self.loop.widget | |
| 428 menu_box = MenuBox(self,[item[0] for item in self.menu[menu_key]]) | |
| 429 urwid.connect_signal(menu_box, 'click', self.onClick) | |
| 430 | |
| 431 self.loop.widget = urwid.Overlay(urwid.AttrMap(menu_box,'menubar'),self.save_bottom,('fixed left', columns),max_len+2,('fixed top',1),None) | |
| 432 | |
| 433 def keypress(self, size, key): | |
| 434 if key == 'right' and self.focus_menu < len(self.menu)-1: | |
| 435 self.focus_menu += 1 | |
| 436 self._invalidate() | |
| 437 elif key == 'left' and self.focus_menu > 0: | |
| 438 self.focus_menu -= 1 | |
| 439 self._invalidate() | |
|
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440 return |
| 131 | 441 elif key == 'down': |
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442 if self.menu_keys and not self.save_bottom: |
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443 column = sum([len(menu)+4 for menu in self.menu_keys[0:self.focus_menu]],self.focus_menu+self.x_orig) |
| 131 | 444 self.__buildOverlay(self.menu_keys[self.focus_menu],column) |
| 445 elif key == 'up': | |
| 446 if self.save_bottom: | |
| 447 self.loop.widget = self.save_bottom | |
| 448 self.save_bottom = None | |
| 449 | |
| 450 return key | |
|
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451 |
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452 def checkShortcuts(self, key): |
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453 for shortcut in self.shortcuts.keys(): |
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454 if key == shortcut: |
| 131 | 455 category, item, callback = self.shortcuts[shortcut] |
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456 callback((category, item)) |
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457 return key |
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458 |
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459 def addMenu(self, category, item, callback, shortcut=None): |
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460 """Add a menu item, create the category if new |
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461 @param category: category of the menu (e.g. File/Edit) |
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462 @param item: menu item (e.g. new/close/about) |
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463 @callback: method to call when item is selected""" |
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464 if not category in self.menu.keys(): |
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465 self.menu_keys.append(category) |
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466 self.menu[category] = [] |
| 131 | 467 self.menu[category].append((item, callback)) |
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468 if shortcut: |
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469 assert(shortcut not in self.shortcuts.keys()) |
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470 self.shortcuts[shortcut] = (category, item, callback) |
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471 |
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472 def rows(self,size,focus=False): |
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473 return self.display_widget(size, focus).rows(size, focus) |
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474 |
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475 def render(self, size, focus=False): |
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476 return self.display_widget(size, focus).render(size, focus) |
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477 |
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478 def display_widget(self, size, focus): |
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479 render_txt = [] |
| 131 | 480 idx = 0 |
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481 for menu in self.menu_keys: |
| 131 | 482 if focus and idx == self.focus_menu: |
| 483 render_txt.append(('selected_menu', '[ %s ]' % menu)) | |
| 484 render_txt.append(' ') | |
| 485 else: | |
| 486 render_txt.append('[ %s ] ' % menu) | |
| 487 idx += 1 | |
|
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488 return urwid.AttrMap(urwid.Text(render_txt), 'menubar') |
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489 |
| 131 | 490 def onClick(self, widget): |
| 491 category = self.menu_keys[self.focus_menu] | |
| 492 item = widget.getValue() | |
| 493 for menu_item in self.menu[category]: | |
| 494 if item == menu_item[0]: | |
| 495 callback = menu_item[1] | |
| 496 break | |
| 497 if callback: | |
| 498 self.keypress(None,'up') | |
| 499 callback((category, item)) | |
| 500 | |
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501 class MenuRoller(urwid.WidgetWrap): |
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502 |
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503 def __init__(self,menus_list): |
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504 """Create a MenuRoller |
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505 @param menus_list: list of tuple with (name, Menu_instance), name can be None |
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506 """ |
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507 assert (menus_list) |
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508 self.selected = 0 |
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509 self.name_list = [] |
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510 self.menus = {} |
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511 |
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512 self.columns = urwid.Columns([urwid.Text(''),urwid.Text('')]) |
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513 urwid.WidgetWrap.__init__(self, self.columns) |
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514 |
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515 for menu_tuple in menus_list: |
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516 name,menu = menu_tuple |
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517 self.addMenu(name, menu) |
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518 |
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519 def __showSelected(self): |
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520 """show menu selected""" |
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521 name_txt = u'\u21c9 '+self.name_list[self.selected]+u' \u21c7 ' |
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522 current_name = ClickableText(name_txt) |
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523 name_len = len(name_txt) |
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524 current_menu = self.menus[self.name_list[self.selected]] |
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525 current_menu.setOrigX(name_len) |
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526 self.columns.widget_list[0] = current_name |
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527 self.columns.column_types[0]=('fixed', name_len) |
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528 self.columns.widget_list[1] = current_menu |
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529 |
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530 def keypress(self, size, key): |
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531 if key=='up': |
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532 if self.columns.get_focus_column()==0 and self.selected > 0: |
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533 self.selected -= 1 |
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534 self.__showSelected() |
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535 elif key=='down': |
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536 if self.columns.get_focus_column()==0 and self.selected < len(self.name_list)-1: |
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537 self.selected += 1 |
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538 self.__showSelected() |
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539 elif key=='right': |
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540 if self.columns.get_focus_column()==0 and \ |
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541 (isinstance(self.columns.widget_list[1], urwid.Text) or \ |
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542 self.menus[self.name_list[self.selected]].getMenuSize()==0): |
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543 return #if we have no menu or the menu is empty, we don't go the right column |
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544 |
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545 return super(MenuRoller, self).keypress(size, key) |
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546 |
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547 def addMenu(self, name_param, menu): |
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548 name = name_param or '' |
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549 if name not in self.name_list: |
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550 self.name_list.append(name) |
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551 self.menus[name] = menu |
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552 if self.name_list[self.selected] == name: |
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553 self.__showSelected() #if we are on the menu, we update it |
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554 |
|
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555 def removeMenu(self, name): |
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556 if name in self.name_list: |
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557 self.name_list.remove(name) |
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558 if name in self.menus.keys(): |
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559 del self.menus[name] |
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560 self.selected = 0 |
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561 self.__showSelected() |
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562 |
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563 def checkShortcuts(self, key): |
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564 for menu in self.name_list: |
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565 key = self.menus[menu].checkShortcuts(key) |
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566 return key |
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567 |
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568 |
| 120 | 569 ## DIALOGS ## |
| 570 | |
|
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571 class GenericDialog(urwid.WidgetWrap): |
| 113 | 572 |
| 573 def __init__(self, widgets_lst, title, style=[], **kwargs): | |
| 574 frame_header = urwid.AttrMap(urwid.Text(title,'center'),'title') | |
| 575 | |
| 576 buttons = None | |
| 577 | |
| 578 if "OK/CANCEL" in style: | |
| 579 buttons = [urwid.Button(_("Cancel"), kwargs['cancel_cb']), | |
| 580 urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 581 elif "YES/NO" in style: | |
| 582 buttons = [urwid.Button(_("Yes"), kwargs['yes_cb']), | |
| 583 urwid.Button(_("No"), kwargs['no_cb'], kwargs['yes_value'])] | |
| 114 | 584 if "OK" in style: |
| 585 buttons = [urwid.Button(_("Ok"), kwargs['ok_cb'], kwargs['ok_value'])] | |
| 113 | 586 if buttons: |
| 587 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center') | |
| 588 widgets_lst.append(buttons_flow) | |
| 589 body_content = urwid.SimpleListWalker(widgets_lst) | |
| 590 frame_body = urwid.ListBox(body_content) | |
| 591 frame = urwid.Frame(frame_body, frame_header) | |
| 592 decorated_frame = urwid.LineBox(frame) | |
| 593 urwid.WidgetWrap.__init__(self, decorated_frame) | |
| 594 | |
| 595 | |
| 596 | |
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597 class InputDialog(GenericDialog): |
| 121 | 598 """Dialog with an edit box""" |
| 113 | 599 |
| 120 | 600 def __init__(self, title, instrucions, style=['OK/CANCEL'], default_txt = '', **kwargs): |
| 113 | 601 instr_wid = urwid.Text(instrucions+':') |
| 120 | 602 edit_box = urwid.Edit(edit_text=default_txt) |
|
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603 GenericDialog.__init__(self, [instr_wid,edit_box], title, style, ok_value=edit_box, **kwargs) |
| 113 | 604 |
|
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605 class ConfirmDialog(GenericDialog): |
| 121 | 606 """Dialog with buttons for confirm or cancel an action""" |
| 113 | 607 |
| 608 def __init__(self, title, style=['YES/NO'], **kwargs): | |
|
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609 GenericDialog.__init__(self, [], title, style, yes_value=None, **kwargs) |
| 114 | 610 |
|
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611 class Alert(GenericDialog): |
| 121 | 612 """Dialog with just a message and a OK button""" |
| 114 | 613 |
| 614 def __init__(self, title, message, style=['OK'], **kwargs): | |
|
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615 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) |
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616 |
| 120 | 617 ## CONTAINERS ## |
| 618 | |
|
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619 class FocusFrame(urwid.Frame): |
| 121 | 620 """Frame which manage 'tab' key""" |
|
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621 |
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622 def keypress(self, size, key): |
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623 if key == 'tab': |
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624 focus_list = ('header','body','footer') |
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625 focus_idx = focus_list.index(self.focus_part) |
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626 for i in range(2): |
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627 focus_idx = (focus_idx + 1) % len(focus_list) |
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628 focus_name = focus_list[focus_idx] |
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629 widget = getattr(self,'_'+focus_name) |
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630 if widget!=None and widget.selectable(): |
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631 self.set_focus(focus_name) |
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632 |
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633 return urwid.Frame.keypress(self, size, key) |
| 120 | 634 |
|
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635 class TabsContainer(urwid.WidgetWrap): |
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636 signals = ['click'] |
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637 |
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638 def __init__(self): |
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639 #self._current_tab = 0 |
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640 self._buttons_cont = urwid.GridFlow([],19,1,0,'left') |
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641 self.tabs = [] |
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642 self.__frame = urwid.Frame(urwid.Text(''),urwid.Pile([self._buttons_cont,urwid.Divider(u"─")])) |
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643 urwid.WidgetWrap.__init__(self, self.__frame) |
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644 |
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645 """def selectable(self): |
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646 return True |
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647 |
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648 def keypress(self, size, key): |
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649 return key""" |
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650 |
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651 def __buttonClicked(self, button, invisible=False): |
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652 """Called when a button on the tab is changed, |
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653 change the page |
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654 @param button: button clicked |
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655 @param invisible: emit signal only if False""" |
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656 tab_name = button.get_label() |
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657 for tab in self.tabs: |
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658 if tab[0] == tab_name: |
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659 break |
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660 if tab[0] != tab_name: |
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661 error(_("INTERNAL ERROR: Tab not found")) |
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662 assert(False) |
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663 self.__frame.body = tab[1] |
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664 if not invisible: |
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665 self._emit('click') |
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666 |
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667 def __appendButton(self, name): |
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668 """Append a button to the frame header, |
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669 and link it to the page change method""" |
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670 button = CustomButton(name, self.__buttonClicked, left_border = '', right_border=' |') |
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671 self._buttons_cont.cells.append(button) |
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672 if len(self._buttons_cont.cells): |
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673 #first button: we set the focus and the body |
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674 self._buttons_cont.set_focus(0) |
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675 self.__buttonClicked(button,True) |
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676 |
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677 def addTab(self,name,content=[]): |
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678 """Add a page to the container |
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679 @param name: name of the page (what appear on the tab) |
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680 @param content: content of the page |
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681 @return: ListBox (content of the page)""" |
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682 listbox = urwid.ListBox(urwid.SimpleListWalker(content)) |
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683 self.tabs.append([name,listbox]) |
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684 self.__appendButton(name) |
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685 return listbox |
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686 |
| 120 | 687 ## DECORATORS ## |
| 688 class LabelLine(urwid.LineBox): | |
| 121 | 689 """Like LineBox, but with a Label centered in the top line""" |
| 120 | 690 |
| 691 def __init__(self, original_widget, label_widget): | |
| 692 urwid.LineBox.__init__(self, original_widget) | |
| 693 top_columns = self._w.widget_list[0] | |
| 694 top_columns.widget_list[1] = label_widget | |
| 124 | 695 |
| 696 class VerticalSeparator(urwid.WidgetDecoration, urwid.WidgetWrap): | |
| 697 def __init__(self, original_widget, left_char = utf8decode("│"), right_char = ''): | |
|
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698 """Draw a separator on left and/or right of original_widget.""" |
| 120 | 699 |
| 124 | 700 widgets = [original_widget] |
| 701 if left_char: | |
| 702 widgets.insert(0, ('fixed', 1, urwid.SolidFill(left_char))) | |
| 703 if right_char: | |
| 704 widgets.append(('fixed', 1, urwid.SolidFill(right_char))) | |
| 705 columns = urwid.Columns(widgets, box_columns = [0,2], focus_column = 1) | |
| 706 urwid.WidgetDecoration.__init__(self, original_widget) | |
| 707 urwid.WidgetWrap.__init__(self, columns) | |
| 708 | |
| 709 |