Mercurial > urwid-satext
diff urwid_satext/sat_widgets.py @ 91:b447a9c6f1d3
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 |
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--- a/urwid_satext/sat_widgets.py Mon Sep 08 15:42:25 2014 +0200 +++ b/urwid_satext/sat_widgets.py Mon Sep 08 15:42:25 2014 +0200 @@ -392,6 +392,36 @@ return [(ListOption(option)) for option in options] +class UnselectableListBox(urwid.ListBox): + """List box that can be unselectable if all widget are unselectable and visible""" + + def __init__(self, body): + super(UnselectableListBox, self).__init__(body) + self.__size_cache = None + + def selectable(self): + """Selectable that return False if everything is visible and nothing is selectable""" + if self.__size_cache is None: + return self._selectable + middle, top, bottom = self.calculate_visible(self.__size_cache, self.__focus_cache) + if top is None or bottom is None: + return True + if top[0] or bottom[0]: + # if not everything is visible, we can select + return True + for wid in self.body: + # if any widget is selectable, we can select + if wid.selectable(): + return True + return False + + def render(self, size, focus=False): + """Call ListBox render, but keep size and focus in cache""" + self.__size_cache = size + self.__focus_cache = focus + return super(UnselectableListBox, self).render(size, focus) + + class GenericList(urwid.WidgetWrap): signals = ['click','change'] @@ -910,7 +940,7 @@ if buttons: buttons_flow = urwid.GridFlow(buttons, max([len(button.get_label()) for button in buttons])+4, 1, 1, 'center') body_content = urwid.SimpleListWalker(widgets_lst) - frame_body = urwid.ListBox(body_content) + frame_body = UnselectableListBox(body_content) frame = FocusFrame(frame_body, frame_header, buttons_flow if buttons else None, 'footer' if buttons else 'body') decorated_frame = urwid.LineBox(frame) urwid.WidgetWrap.__init__(self, decorated_frame) @@ -947,7 +977,6 @@ def __init__(self, title, message, style=['OK'], **kwargs): GenericDialog.__init__(self, [urwid.Text(message, 'center')], title, style, ok_value=None, **kwargs) - ## CONTAINERS ## class ColumnsRoller(urwid.Widget):