libervia-backend: frontends/primitivus/custom

comparison 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

comparison

equal deleted inserted replaced

-:63d20bda5754
+:7fcb4f083686
 def display_widget(self, size, focus):
 (maxcol,) = size
 middle = (maxcol-len(self.text))/2
 render_text = middle * self.car + self.text + (maxcol - len(self.text) - middle) * self.car
 return urwid.Text(render_text)
 class SelectableText(urwid.FlowWidget):
 """Text which can be selected with space"""
 signals = ['change']
 if key==' ' or key=='enter':
 self.setState(not self.__selected)
 else:
 return key
+def mouse_event(self, size, event, button, x, y, focus):
+if urwid.is_mouse_press(event) and button == 1:
+self.setState(not self.__selected)
+return True
+return False
 def rows(self,size,focus=False):
 return self.display_widget(size, focus).rows(size, focus)
 def render(self, size, focus=False):
 return self.display_widget(size, focus).render(size, focus)
 class ClickableText(SelectableText):
 signals = SelectableText.signals + ['click']
 def setState(self, selected, invisible=False):
 self._emit('click')
+class CustomButton(ClickableText):
+def __init__(self, label, on_press=None, user_data=None, left_border = "[ ", right_border = " ]"):
+self.label = label
+render_txt = "%s%s%s" % (left_border, label, right_border)
+self.size = len(render_txt)
+super(CustomButton, self).__init__(render_txt)
+if on_press:
+urwid.connect_signal(self, 'click', on_press, user_data)
+def getSize(self):
+"""Return representation size of the button"""
+return self.size
+def get_label(self):
+return self.label
 class GenericList(urwid.WidgetWrap):
 signals = ['click','change']
 def __init__(self, options, style=[], align='left', option_type = SelectableText, on_click=None, on_change=None, user_data=None):
 return urwid.BoxAdapter(self.genericList, height)
 ## MISC ##
 class MenuBox(urwid.WidgetWrap):
+"""Show menu items of a category in a box"""
 signals = ['click']
 def __init__(self,parent,items):
 self.parent = parent
 self.selected = None
 if self.columns.get_focus_column()==0 and self.selected < len(self.name_list)-1:
 self.selected += 1
 self.__showSelected()
 elif key=='right':
 if self.columns.get_focus_column()==0 and \
-(self.columns.widget_list[1].__class__ == urwid.Text or \
+(isinstance(self.columns.widget_list[1], urwid.Text) or \
 self.menus[self.name_list[self.selected]].getMenuSize()==0):
 return #if we have no menu or the menu is empty, we don't go the right column
 return super(MenuRoller, self).keypress(size, key)
 if name not in self.name_list:
 self.name_list.append(name)
 self.menus[name] = menu
 if self.name_list[self.selected] == name:
 self.__showSelected() #if we are on the menu, we update it
+def removeMenu(self, name):
+if name in self.name_list:
+self.name_list.remove(name)
+if name in self.menus.keys():
+del self.menus[name]
+self.selected = 0
+self.__showSelected()
 def checkShortcuts(self, key):
 for menu in self.name_list:
 key = self.menus[menu].checkShortcuts(key)
 return key
 if widget!=None and widget.selectable():
 self.set_focus(focus_name)
 return urwid.Frame.keypress(self, size, key)
+class TabsContainer(urwid.WidgetWrap):
+signals = ['click']
+def __init__(self):
+#self._current_tab = 0
+self._buttons_cont = urwid.GridFlow([],19,1,0,'left')
+self.tabs = []
+self.__frame = urwid.Frame(urwid.Text(''),urwid.Pile([self._buttons_cont,urwid.Divider(u"─")]))
+urwid.WidgetWrap.__init__(self, self.__frame)
+"""def selectable(self):
+return True
+def keypress(self, size, key):
+return key"""
+def __buttonClicked(self, button, invisible=False):
+"""Called when a button on the tab is changed,
+change the page
+@param button: button clicked
+@param invisible: emit signal only if False"""
+tab_name = button.get_label()
+for tab in self.tabs:
+if tab[0] == tab_name:
+break
+if tab[0] != tab_name:
+error(_("INTERNAL ERROR: Tab not found"))
+assert(False)
+self.__frame.body = tab[1]
+if not invisible:
+self._emit('click')
+def __appendButton(self, name):
+"""Append a button to the frame header,
+and link it to the page change method"""
+button = CustomButton(name, self.__buttonClicked, left_border = '', right_border=' |')
+self._buttons_cont.cells.append(button)
+if len(self._buttons_cont.cells):
+#first button: we set the focus and the body
+self._buttons_cont.set_focus(0)
+self.__buttonClicked(button,True)
+def addTab(self,name,content=[]):
+"""Add a page to the container
+@param name: name of the page (what appear on the tab)
+@param content: content of the page
+@return: ListBox (content of the page)"""
+listbox = urwid.ListBox(urwid.SimpleListWalker(content))
+self.tabs.append([name,listbox])
+self.__appendButton(name)
+return listbox
 ## DECORATORS ##
 class LabelLine(urwid.LineBox):
 """Like LineBox, but with a Label centered in the top line"""
 def __init__(self, original_widget, label_widget):
 top_columns = self._w.widget_list[0]
 top_columns.widget_list[1] = label_widget
 class VerticalSeparator(urwid.WidgetDecoration, urwid.WidgetWrap):
 def __init__(self, original_widget, left_char = utf8decode("│"), right_char = ''):
-"""Draw a separator on left and/or of original_widget."""
+"""Draw a separator on left and/or right of original_widget."""
 widgets = [original_widget]
 if left_char:
 widgets.insert(0, ('fixed', 1, urwid.SolidFill(left_char)))
 if right_char:

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comparison frontends/primitivus/custom_widgets.py @ 151:7fcb4f083686