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comparison urwid_satext/sat_widgets.py @ 91:b447a9c6f1d3

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added UnselectableListBox which is a ListBox which can be unselectable when everything is not selectable and visible. Its is used in dialogs
author Goffi <goffi@goffi.org>
date Mon, 08 Sep 2014 15:42:25 +0200
parents f5992b2a0dbf
children 66b65ed9baf2
comparison
equal deleted inserted replaced
90:f5992b2a0dbf 91:b447a9c6f1d3
390 return: list of ListOption 390 return: list of ListOption
391 """ 391 """
392 return [(ListOption(option)) for option in options] 392 return [(ListOption(option)) for option in options]
393 393
394 394
395 class UnselectableListBox(urwid.ListBox):
396 """List box that can be unselectable if all widget are unselectable and visible"""
397
398 def __init__(self, body):
399 super(UnselectableListBox, self).__init__(body)
400 self.__size_cache = None
401
402 def selectable(self):
403 """Selectable that return False if everything is visible and nothing is selectable"""
404 if self.__size_cache is None:
405 return self._selectable
406 middle, top, bottom = self.calculate_visible(self.__size_cache, self.__focus_cache)
407 if top is None or bottom is None:
408 return True
409 if top[0] or bottom[0]:
410 # if not everything is visible, we can select
411 return True
412 for wid in self.body:
413 # if any widget is selectable, we can select
414 if wid.selectable():
415 return True
416 return False
417
418 def render(self, size, focus=False):
419 """Call ListBox render, but keep size and focus in cache"""
420 self.__size_cache = size
421 self.__focus_cache = focus
422 return super(UnselectableListBox, self).render(size, focus)
423
424
395 class GenericList(urwid.WidgetWrap): 425 class GenericList(urwid.WidgetWrap):
396 signals = ['click','change'] 426 signals = ['click','change']
397 427
398 def __init__(self, options, style=None, align='left', option_type = SelectableText, on_click=None, on_change=None, user_data=None): 428 def __init__(self, options, style=None, align='left', option_type = SelectableText, on_click=None, on_change=None, user_data=None):
399 """ 429 """
908 ok_arg = [kwargs['ok_value']] if kwargs.has_key('ok_value') else [] 938 ok_arg = [kwargs['ok_value']] if kwargs.has_key('ok_value') else []
909 buttons = [urwid.Button(_("Ok"), kwargs['ok_cb'], *ok_arg)] 939 buttons = [urwid.Button(_("Ok"), kwargs['ok_cb'], *ok_arg)]
910 if buttons: 940 if buttons:
911 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center') 941 buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center')
912 body_content = urwid.SimpleListWalker(widgets_lst) 942 body_content = urwid.SimpleListWalker(widgets_lst)
913 frame_body = urwid.ListBox(body_content) 943 frame_body = UnselectableListBox(body_content)
914 frame = FocusFrame(frame_body, frame_header, buttons_flow if buttons else None, 'footer' if buttons else 'body') 944 frame = FocusFrame(frame_body, frame_header, buttons_flow if buttons else None, 'footer' if buttons else 'body')
915 decorated_frame = urwid.LineBox(frame) 945 decorated_frame = urwid.LineBox(frame)
916 urwid.WidgetWrap.__init__(self, decorated_frame) 946 urwid.WidgetWrap.__init__(self, decorated_frame)
917 947
918 948
944 class Alert(GenericDialog): 974 class Alert(GenericDialog):
945 """Dialog with just a message and a OK button""" 975 """Dialog with just a message and a OK button"""
946 976
947 def __init__(self, title, message, style=['OK'], **kwargs): 977 def __init__(self, title, message, style=['OK'], **kwargs):
948 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) 978 GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs)
949
950 979
951 ## CONTAINERS ## 980 ## CONTAINERS ##
952 981
953 class ColumnsRoller(urwid.Widget): 982 class ColumnsRoller(urwid.Widget):
954 _sizing = frozenset(['flow']) 983 _sizing = frozenset(['flow'])