def __init__(self, child: SingleApplicationScreenSubWidget, **kwargs):
super(SingleApplicationScreenWidget, self).__init__(**kwargs)
self.cols = 1
self.__stack = ScreenStack()
self.__stack.push(child)
self.__useBottomBar = child.use_bottom_bar
self.__useTopBar = child.use_top_bar
self.__childWidget = child
self.__create_bars()
self.__update_layout()
class SingleApplicationScreenWidget(GridLayout):
"""
Displays a single screen with the possibility to toggle a top and a bottom bar
"""
__childWidget = None # type: SingleApplicationScreenSubWidget
__bottomBar = None # type: Widget
__topBar = None # type: Widget
__useBottomBar = True # type: Widget
__useTopBar = True # type: Widget
__bottomBarHeight = 50 # type: int
__topBarHeight = 50 # type: int
__stack = None # type: ScreenStack
def __init__(self, child: SingleApplicationScreenSubWidget, **kwargs):
super(SingleApplicationScreenWidget, self).__init__(**kwargs)
self.cols = 1
self.__stack = ScreenStack()
self.__stack.push(child)
self.__useBottomBar = child.use_bottom_bar
self.__useTopBar = child.use_top_bar
self.__childWidget = child
self.__create_bars()
self.__update_layout()
def __create_bars(self):
self.__bottomBar = BottomBar(self.__bottomBarHeight, lambda: self.get_screen_back(), lambda: self.to_home_screen())
self.__topBar = TopBar(self.__topBarHeight)
self.col_default_width = Window.size[0]
self.col_force_default = True
self.row_force_default = True
def __update_layout(self):
if self.__childWidget is not None:
if self.__childWidget.parent is not None:
self.__childWidget.parent.remove_widget(self.__childWidget)
for child in self.children:
self.remove_widget(child)
for child in self.children:
self.remove_widget(child)
self.rows_minimum = []
if self.__useTopBar:
self.__topBar.clear_buttons()
self.__topBar.add_buttons(self.__childWidget.get_topbar_buttons())
if self.__useBottomBar and self.__useTopBar:
self.rows = 3
self.rows_minimum[0] = self.__topBarHeight
self.rows_minimum[1] = Window.size[1] - self.__bottomBarHeight - self.__topBarHeight
self.rows_minimum[2] = self.__bottomBarHeight
self.add_widget(self.__topBar)
self.add_widget(self.__childWidget)
self.add_widget(self.__bottomBar)
self.__childWidget.change_size(Window.size[0], self.rows_minimum[1])
elif self.__useBottomBar and not self.__useTopBar:
self.rows = 2
self.rows_minimum[0] = Window.size[1] - self.__bottomBarHeight
self.rows_minimum[1] = self.__bottomBarHeight
self.add_widget(self.__childWidget)
self.add_widget(self.__bottomBar)
self.__childWidget.change_size(Window.size[0], self.rows_minimum[0])
elif self.__useTopBar and not self.__useBottomBar:
self.rows = 2
self.rows_minimum[0] = self.__topBarHeight
self.rows_minimum[1] = Window.size[1] - self.__topBarHeight
self.add_widget(self.__topBar)
self.add_widget(self.__childWidget)
self.__childWidget.change_size(Window.size[0], self.rows_minimum[1])
else:
self.rows = 1
self.rows_minimum[0] = Window.size[1]
self.add_widget(self.__childWidget)
def set_widget(self, widget: SingleApplicationScreenSubWidget):
if self.__childWidget == widget:
return
self.__childWidget = widget
self.__useBottomBar = self.__childWidget.use_bottom_bar
self.__useTopBar = self.__childWidget.use_top_bar
self.__stack.push(widget)
self.__update_layout()
def to_home_screen(self):
screen = self.__stack.get_first_element()
self.set_widget(screen)
def get_screen_back(self):
self.__stack.pop()
screen = self.__stack.pop()
if screen == None:
return
self.set_widget(screen)
def toggle_bars(self, topBar: bool = True, bottomBar: bool = True):
updateLayout = (topBar is not self.__useTopBar) or (bottomBar is not self.__useBottomBar)
self.__useTopBar = topBar
self.__useBottomBar = bottomBar
if updateLayout:
self.__update_layout()