class PopUpTarget(WidgetDecoration):
# FIXME: this whole class is a terrible hack and must be fixed
# when layout and rendering are separated
_sizing = set([BOX])
_selectable = True
def __init__(self, original_widget):
self.__super.__init__(original_widget)
self._pop_up = None
self._current_widget = self._original_widget
def _update_overlay(self, size, focus):
canv = self._original_widget.render(size, focus=focus)
self._cache_original_canvas = canv # imperfect performance hack
pop_up = canv.get_pop_up()
if pop_up:
left, top, (w, overlay_width, overlay_height) = pop_up
if self._pop_up != w:
self._pop_up = w
self._current_widget = Overlay(w, self._original_widget,
('fixed left', left),
overlay_width,
('fixed top', top),
overlay_height)
else:
self._current_widget.set_overlay_parameters(
('fixed left', left), overlay_width, ('fixed top', top),
overlay_height)
else:
self._pop_up = None
self._current_widget = self._original_widget
def render(self, size, focus=False):
self._update_overlay(size, focus)
return self._current_widget.render(size, focus=focus)
def get_cursor_coords(self, size):
self._update_overlay(size, True)
return self._current_widget.get_cursor_coords(size)
def get_pref_col(self, size):
self._update_overlay(size, True)
return self._current_widget.get_pref_col(size)
def keypress(self, size, key):
self._update_overlay(size, True)
return self._current_widget.keypress(size, key)
def move_cursor_to_coords(self, size, x, y):
self._update_overlay(size, True)
return self._current_widget.move_cursor_to_coords(size, x, y)
def mouse_event(self, size, event, button, x, y, focus):
self._update_overlay(size, focus)
return self._current_widget.mouse_event(size, event, button, x, y,
focus)
def pack(self, size=None, focus=False):
self._update_overlay(size, focus)
return self._current_widget.pack(size)
class PopUpTarget(WidgetDecoration):
# FIXME: this whole class is a terrible hack and must be fixed
# when layout and rendering are separated
_sizing = set([BOX])
_selectable = True
def __init__(self, original_widget):
self.__super.__init__(original_widget)
self._pop_up = None
self._current_widget = self._original_widget
def _update_overlay(self, size, focus):
canv = self._original_widget.render(size, focus=focus)
self._cache_original_canvas = canv # imperfect performance hack
pop_up = canv.get_pop_up()
if pop_up:
left, top, (w, overlay_width, overlay_height) = pop_up
if self._pop_up != w:
self._pop_up = w
self._current_widget = Overlay(
w, self._original_widget, ('fixed left', left),
overlay_width, ('fixed top', top), overlay_height)
else:
self._current_widget.set_overlay_parameters(
('fixed left', left), overlay_width, ('fixed top', top),
overlay_height)
else:
self._pop_up = None
self._current_widget = self._original_widget
def render(self, size, focus=False):
self._update_overlay(size, focus)
return self._current_widget.render(size, focus=focus)
def get_cursor_coords(self, size):
self._update_overlay(size, True)
return self._current_widget.get_cursor_coords(size)
def get_pref_col(self, size):
self._update_overlay(size, True)
return self._current_widget.get_pref_col(size)
def keypress(self, size, key):
self._update_overlay(size, True)
return self._current_widget.keypress(size, key)
def move_cursor_to_coords(self, size, x, y):
self._update_overlay(size, True)
return self._current_widget.move_cursor_to_coords(size, x, y)
def mouse_event(self, size, event, button, x, y, focus):
self._update_overlay(size, focus)
return self._current_widget.mouse_event(size, event, button, x, y,
focus)
def pack(self, size=None, focus=False):
self._update_overlay(size, focus)
return self._current_widget.pack(size)
def _update_overlay(self, size, focus):
canv = self._original_widget.render(size, focus=focus)
self._cache_original_canvas = canv # imperfect performance hack
pop_up = canv.get_pop_up()
if pop_up:
left, top, (
w, overlay_width, overlay_height) = pop_up
if self._pop_up != w:
self._pop_up = w
self._current_widget = Overlay(w, self._original_widget,
('fixed left', left), overlay_width,
('fixed top', top), overlay_height)
else:
self._current_widget.set_overlay_parameters(
('fixed left', left), overlay_width,
('fixed top', top), overlay_height)
else:
self._pop_up = None
self._current_widget = self._original_widget
def _update_overlay(self, size, focus):
canv = self._original_widget.render(size, focus=focus)
self._cache_original_canvas = canv # imperfect performance hack
pop_up = canv.get_pop_up()
if pop_up:
left, top, (w, overlay_width, overlay_height) = pop_up
if self._pop_up != w:
self._pop_up = w
self._current_widget = Overlay(
w, self._original_widget, ('fixed left', left),
overlay_width, ('fixed top', top), overlay_height)
else:
self._current_widget.set_overlay_parameters(
('fixed left', left), overlay_width, ('fixed top', top),
overlay_height)
else:
self._pop_up = None
self._current_widget = self._original_widget
def __init__(self, title, input_title, min_chars=0, dim=False):
"""
:param title: the string used in the application heading
:param input_title: the name of the input string being captured (e.g. Password)
:param min_chars: minimum number of characters for a valid string (default: 8)
:param dim: optimize for a smaller screen (True/False)
"""
self._input_title = input_title
self._min_chars = min_chars
self.small_display = dim
self.def_keys = []
self.frame = self.setup_frame(title, input_title)
self.pop_up = self.setup_popup("Error")
# Create the main view, overlaying the popup widget with the main view
view = Overlay(self.pop_up, self.frame, 'center', None, 'middle', None)
self.view = view