Files
Boids/lpgf.py
2024-11-17 12:35:37 -06:00

269 lines
8.7 KiB
Python

from typing import Any
import pygame as pg
from math import ceil
def isoceles_triangle(dimensions: tuple[int, int], color = (0,0,0,255)) -> pg.Surface:
surf = pg.Surface(dimensions, pg.SRCALPHA)
surf.fill((255,255,255,0))
pg.draw.polygon(
surf,
color,
(
(dimensions[0], dimensions[1] / 2),
(0,0),
(0, dimensions[1])
)
)
return surf
def circle(radius, color: tuple[int,int,int,int] = (0,0,0,255)) -> pg.Surface:
surf = pg.Surface((radius, radius), pg.SRCALPHA)
surf.fill((255,255,255,0))
pg.draw.circle(surf, color, (radius / 2, radius / 2), radius)
return surf
class Pane(pg.Surface):
on_click = lambda self, m_pos: None
on_click_release = lambda self, m_pos: None
on_click_held = lambda self, m_pos: None
on_middle_click = lambda self, m_pos: None
on_middle_click_release = lambda self, m_pos: None
on_middle_click_held = lambda self, m_pos: None
on_right_click = lambda self, m_pos: None
on_right_click_release = lambda self, m_pos: None
on_right_click_held = lambda self, m_pos: None
on_mouse_move = lambda self, l_m_pos, m_pos: None
on_mouse_enter = lambda self, m_pos: None
on_mouse_exit = lambda self, m_pos: None
def get_screen_position(self):
if isinstance(self._parent, Pane):
screen_position = self._parent.get_screen_position()
return (
self.position[0] + screen_position[0],
self.position[1] + screen_position[1]
)
return self.position
def get_screen_rect(self):
return self.get_rect().move(self.get_screen_position())
def get_rect(self) -> pg.Rect:
return super().get_rect().move(*self.position)
def get_rect_position_zero(self) -> pg.Rect:
return super().get_rect()
def master_pane(dimensions: tuple[int,int], blanking_color: tuple[int,int,int] = (0,0,0), **kwargs) -> 'Pane':
return Pane(
dimensions,
(0,0),
pg.display.set_mode(dimensions, **kwargs),
blanking_color=blanking_color,
**kwargs
)
def __init__(
self,
dimensions: tuple[int,int],
position: tuple[int, int],
parent: pg.Surface,
blanking_color: tuple[int,int,int] = (0,0,0),
background_image: pg.Surface | None = None,
flags=0
):
self._m_last_state = [False,False,False]
self._m_last_inframe = False
self._m_last_pos = pg.mouse.get_pos()
self.position = position
self.blanking_color = blanking_color
self._background_image = background_image
self._subpanes: list['Pane'] = []
if isinstance(parent, Pane):
parent.add_subpane(self)
else:
self._parent = parent
super().__init__(dimensions, flags)
def add_subpane(self, subpane: 'Pane') -> None:
subpane._parent = self
self._subpanes.append(subpane)
def blank(self) -> None:
self.fill(self.blanking_color)
if self._background_image:
self.blit(self._background_image, (0,0))
for subpane in self._subpanes:
subpane.blank()
def poll_mouse(self, _m_upper_pane_position: tuple[int,int] | None = None, _occluded: bool = False) -> None:
if not _m_upper_pane_position:
_m_upper_pane_position = pg.mouse.get_pos()
m_pos = (
_m_upper_pane_position[0] - self.position[0],
_m_upper_pane_position[1] - self.position[1]
)
for subpane in self._subpanes[::-1]:
subpane.poll_mouse(m_pos, _occluded)
if not _occluded and subpane.get_rect().collidepoint(m_pos): _occluded = True
m_state = pg.mouse.get_pressed()
m_inframe = not _occluded and pg.mouse.get_focused() and self.get_rect_position_zero().collidepoint(m_pos)
if not m_state[0] and self._m_last_state[0]:
self.on_click_release(m_pos)
self._m_last_state[0] = False
if not m_state[1] and self._m_last_state[1]:
self.on_middle_click_release(m_pos)
self._m_last_state[1] = False
if not m_state[2] and self._m_last_state[2]:
self.on_right_click_release(m_pos)
self._m_last_state[2] = False
if m_inframe:
if m_state[0]:
self.on_click_held(m_pos)
if not self._m_last_state[0]: self.on_click(m_pos)
if m_state[1]:
self.on_middle_click_held(m_pos)
if not self._m_last_state[1]: self.on_middle_click(m_pos)
if m_state[2]:
self.on_right_click_held(m_pos)
if not self._m_last_state[2]: self.on_right_click(m_pos)
if m_pos != self._m_last_pos:
self.on_mouse_move(self._m_last_pos, m_pos)
for index, state in enumerate(m_state):
if state: self._m_last_state[index] = True
#this is done so the on_click_release callback is still called if mouse is out of frame
if m_inframe and not self._m_last_inframe:
self.on_mouse_enter(m_pos)
elif not m_inframe and self._m_last_inframe:
self.on_mouse_exit(m_pos)
self._m_last_inframe = m_inframe
self._m_last_pos = m_pos
def update(self, **draw_options):
for subpane in self._subpanes:
subpane.update()
def move_to_front(self, item):
if item not in self._subpanes:
return
self._subpanes.remove(item)
self._subpanes.append(item)
def draw(self, special_flags: int = 0):
for subpane in self._subpanes:
subpane.draw()
self._parent.blit(self, self.position, special_flags=special_flags)
class DynamicPane(Pane):
@property
def content_pane(self):
return self._content_pane
def _stick(self, _):
self._stuck = True
self._parent.move_to_front(self)
def _unstick(self, _):
self._stuck = False
parent_rect = self._parent.get_rect()
self_rect = self.get_rect()
if not parent_rect.collidepoint(self_rect.center):
self.position = (
parent_rect.center[0] - ceil(self_rect.width / 2),
parent_rect.center[1] - ceil(self_rect.height / 2)
)
def __init__(
self,
dimensions: tuple[int,int],
position: tuple[int,int,int],
parent: Pane,
ribbon_height: int,
ribbon_color: tuple[int,int,int] = (255,255,255),
blanking_color: tuple[int,int,int] = (0,0,0),
background_image: pg.Surface | None = None,
content_flags=0,
ribbon_flags=0
):
super().__init__(
dimensions,
position,
parent,
(255,255,255,0),
flags=pg.SRCALPHA
)
self._ribbon: Pane = Pane(
(dimensions[0], ribbon_height),
(0,0),
self,
ribbon_color,
flags=ribbon_flags
)
self._content_pane: Pane = Pane(
(dimensions[0], dimensions[1] - ribbon_height),
(0, ribbon_height),
self,
blanking_color=blanking_color,
background_image=background_image,
flags=content_flags
)
self._stuck = False
self._ribbon.on_click = self._stick
self._ribbon.on_click_release = self._unstick
def update(self):
m_pos = pg.mouse.get_pos()
s_pos = self.get_screen_position()
m_pane_pos = (
m_pos[0] - s_pos[0],
m_pos[1] - s_pos[1]
)
if self._stuck:
delta = (
m_pane_pos[0] - self._m_last_pos[0],
m_pane_pos[1] - self._m_last_pos[1]
)
self.position = (
self.position[0] + delta[0],
self.position[1] + delta[1]
)
super().update()
class Slider(Pane):
def __init__(
self,
dimensions: tuple[int,int],
parent: Pane,
knob_size: int,
bar_thickness: int,
knob_color: tuple[int,int,int] = (255,255,255),
bar_color: tuple[int,int,int] = (150,150,150)
):
self._bar = Pane(
(dimensions[0], bar_thickness),
(0, ceil(dimensions[1] / 2) + ceil(bar_thickness / 2)),
self,
bar_color
)
self._knob = Pane(
(knob_size, knob_size),
(0, ceil(dimensions[1] / 2) + ceil(knob_size / 2)),
self,
(0,0,0,0),
background_image=circle(knob_size, knob_color)
)