def redraw_scrollbar(self):
"""
Redraws the 'scrollbar' portion of the whole UI element. Called when we change the visible percentage.
"""
self.sliding_button.kill()
self.scrollable_height = (self.rect.height - (2 * self.button_height) -
(2 * self.border_width) -
(2 * self.shadow_width))
scroll_bar_height = int(self.scrollable_height *
self.visible_percentage)
self.sliding_rect_position.y = (
self.rect.y + self.button_height + self.shadow_width +
self.border_width +
(self.start_percentage * self.scrollable_height))
self.sliding_button = ui_button.UIButton(pygame.Rect(
self.sliding_rect_position,
(self.rect.width - (2 * self.border_width) -
(2 * self.shadow_width), scroll_bar_height)),
'',
self.ui_manager,
container=self.ui_container,
starting_height=2,
parent_element=self,
object_id="#sliding_button")
def __init__(self, relative_rect: pygame.Rect,
visible_percentage: float,
manager: ui_manager.UIManager,
container: ui_container.UIContainer = None,
parent_element: UIElement = None,
object_id: Union[str, None] = None):
new_element_ids, new_object_ids = self.create_valid_ids(parent_element=parent_element,
object_id=object_id,
element_id='vertical_scroll_bar')
super().__init__(relative_rect, manager, container,
layer_thickness=1, starting_height=1,
element_ids=new_element_ids,
object_ids=new_object_ids)
self.button_height = 20
self.background_colour = self.ui_theme.get_colour(self.object_ids, self.element_ids, 'dark_bg')
self.border_width = 0
border_width_string = self.ui_theme.get_misc_data(self.object_ids, self.element_ids, 'border_width')
if border_width_string is not None:
self.border_width = int(border_width_string)
self.shadow_width = 0
shadow_width_string = self.ui_theme.get_misc_data(self.object_ids, self.element_ids, 'shadow_width')
if shadow_width_string is not None:
self.shadow_width = int(shadow_width_string)
self.background_colour = self.ui_theme.get_colour(self.object_ids, self.element_ids, 'dark_bg')
self.border_colour = self.ui_theme.get_colour(self.object_ids, self.element_ids, 'normal_border')
if self.shadow_width > 0:
self.image = self.ui_manager.get_shadow(self.rect.size)
else:
self.image = pygame.Surface(self.rect.size, flags=pygame.SRCALPHA)
border_rect = pygame.Rect((self.shadow_width, self.shadow_width),
(self.rect.width - (2 * self.shadow_width),
self.rect.height - (2 * self.shadow_width)))
if self.border_width > 0:
self.image.fill(self.border_colour,
border_rect)
relative_background_rect = pygame.Rect((self.border_width + self.shadow_width,
self.border_width + self.shadow_width),
(border_rect.width - (2 * self.border_width),
border_rect.height - (2 * self.border_width)))
background_rect = pygame.Rect((relative_background_rect.x + relative_rect.x,
relative_background_rect.y + relative_rect.y),
relative_background_rect.size)
self.image.fill(self.background_colour,
relative_background_rect)
self.top_button = ui_button.UIButton(pygame.Rect(background_rect.topleft,
(background_rect.width,
self.button_height)),
'▲', self.ui_manager,
container=self.ui_container,
starting_height=2,
parent_element=self,
object_id="#top_button")
bottom_button_y = background_rect.y + background_rect.height - self.button_height
self.bottom_button = ui_button.UIButton(pygame.Rect((background_rect.x,
bottom_button_y),
(background_rect.width,
self.button_height)),
'▼', self.ui_manager,
container=self.ui_container,
starting_height=2,
parent_element=self,
object_id="#bottom_button")
self.visible_percentage = max(0.0, min(visible_percentage, 1.0))
self.start_percentage = 0.0
self.sliding_rect_position = pygame.math.Vector2(background_rect.x,
background_rect.y + self.button_height)
self.scrollable_height = background_rect.height - (2 * self.button_height)
scroll_bar_height = int(self.scrollable_height * self.visible_percentage)
self.sliding_button = ui_button.UIButton(pygame.Rect(self.sliding_rect_position,
(background_rect.width,
scroll_bar_height)),
'', self.ui_manager,
container=self.ui_container,
starting_height=2,
parent_element=self,
object_id="#sliding_button")
self.sliding_button.set_hold_range((100, background_rect.height))
self.scroll_position = 0.0
self.top_limit = 0.0
self.bottom_limit = self.scrollable_height
self.grabbed_slider = False
self.starting_grab_y_difference = 0
self.has_moved_recently = False
self.scroll_wheel_up = False
self.scroll_wheel_down = False
def __init__(self,
relative_rect: pygame.Rect,
visible_percentage: float,
manager: ui_manager.UIManager,
container: ui_container.UIContainer = None,
parent_element: UIElement = None,
object_id: Union[str, None] = None):
new_element_ids, new_object_ids = self.create_valid_ids(
parent_element=parent_element,
object_id=object_id,
element_id='vertical_scroll_bar')
super().__init__(relative_rect,
manager,
container,
layer_thickness=1,
starting_height=1,
element_ids=new_element_ids,
object_ids=new_object_ids)
self.button_height = 20
self.scroll_position = 0.0
self.top_limit = 0.0
self.starting_grab_y_difference = 0
self.visible_percentage = max(0.0, min(visible_percentage, 1.0))
self.start_percentage = 0.0
self.grabbed_slider = False
self.has_moved_recently = False
self.scroll_wheel_up = False
self.scroll_wheel_down = False
self.background_colour = None
self.border_colour = None
self.border_width = None
self.shadow_width = None
self.drawable_shape = None
self.shape_type = 'rectangle'
self.shape_corner_radius = None
self.background_rect = None
self.border_rect = None
self.relative_background_rect = None
self.scrollable_height = None # type: Union[None, int, float]
self.bottom_limit = None
self.sliding_rect_position = None
self.top_button = None
self.bottom_button = None
self.sliding_button = None
self.rebuild_from_changed_theme_data()
self.top_button = ui_button.UIButton(pygame.Rect(
self.background_rect.topleft,
(self.background_rect.width, self.button_height)),
'▲',
self.ui_manager,
container=self.ui_container,
starting_height=2,
parent_element=self,
object_id="#top_button")
bottom_button_y = self.background_rect.y + self.background_rect.height - self.button_height
self.bottom_button = ui_button.UIButton(pygame.Rect(
(self.background_rect.x, bottom_button_y),
(self.background_rect.width, self.button_height)),
'▼',
self.ui_manager,
container=self.ui_container,
starting_height=2,
parent_element=self,
object_id="#bottom_button")
scroll_bar_height = int(self.scrollable_height *
self.visible_percentage)
self.sliding_button = ui_button.UIButton(pygame.Rect(
(int(self.sliding_rect_position[0]),
int(self.sliding_rect_position[1])),
(self.background_rect.width, scroll_bar_height)),
'',
self.ui_manager,
container=self.ui_container,
starting_height=2,
parent_element=self,
object_id="#sliding_button")
self.sliding_button.set_hold_range((100, self.background_rect.height))