def scrollbar_rect(self):
# Get the distance between the scroll buttons (d)
sub = self.scroll_up_rect().bottom
t = self.scroll_down_rect().top
d = t - sub
# Get the total row number (n).
n = self.num_items() / getattr(getattr(self, 'parent', None), 'num_cols', lambda: 1)()
# Get the displayed row number (v)
v = self.num_rows()
if n:
s = float(d) / n
else:
s = 0
h = s * v
if type(h) == float:
if h - int(h) > 0:
h += 1
top = max(sub, sub + (s * self.scroll) + self.scroll_rel)
r = Rect(0, top, self.scroll_button_size, h)
m = self.margin
r.right = self.width - m
r.bottom = min(r.bottom, t)
r.inflate_ip(-4, -4)
if r.h < 1:
r.h = int(h)
return r
def delta(self, rect: pg.Rect) -> pg.Rect:
rect = rect.copy()
rect.x = ceil(rect.x * self.dz + self.dx)
rect.y = ceil(rect.y * self.dz + self.dy)
rect.w = ceil(rect.w * self.dz)
rect.h = ceil(rect.h * self.dz)
return rect
def world_to_screen_rect(self, rect: pg.Rect, is_world=True, clip=True):
rect = rect.copy()
if is_world:
rect.x -= self.position[0]
rect.y -= self.position[1]
rect.x *= self.scale
rect.y *= self.scale
rect.w *= self.scale
rect.h *= self.scale
if self.cam_alignment[0] == self.ALIGNMENT_RIGHT:
rect.x += self.display_port.x
elif self.cam_alignment[0] == self.ALIGNMENT_CENTER:
rect.x += self.display_port.x + (self.display_port.w // 2)
elif self.cam_alignment[0] == self.ALIGNMENT_LEFT:
rect.x += self.display_port.x + self.display_port.w
if self.cam_alignment[1] == self.ALIGNMENT_BOTTOM:
rect.y += self.display_port.y
elif self.cam_alignment[1] == self.ALIGNMENT_CENTER:
rect.y += self.display_port.y + (self.display_port.h // 2)
elif self.cam_alignment[1] == self.ALIGNMENT_TOP:
rect.y += self.display_port.y + self.display_port.h
if clip:
if rect.x < self.display_port.x:
difference = self.display_port.x - rect.x
rect.x += difference
rect.w -= difference
if rect.x + rect.w > self.display_port.x + self.display_port.w:
difference = (rect.x + rect.w) - (self.display_port.x + self.display_port.w)
rect.w -= difference
if rect.y < self.display_port.y:
difference = self.display_port.y - rect.y
rect.y += difference
rect.h -= difference
if rect.y + rect.h > self.display_port.y + self.display_port.h:
difference = (rect.y + rect.h) - (self.display_port.y + self.display_port.h)
rect.h -= difference
rect.w = max(rect.w, 0)
rect.h = max(rect.h, 0)
return rect
def scale_rect(rectangle: pygame.Rect, scale=2):
rectangle.x = rectangle.x * scale
rectangle.y = rectangle.y * scale
rectangle.w = rectangle.w * scale
rectangle.h = rectangle.h * scale
return rectangle
