dariuino-ide/src/gui.py

436 lines
10 KiB
Python
Executable File

import math
import pygame
import json
from typing import Self
from typing import Tuple
class Position:
def __init__(self, x = 0, y = 0):
self.x = x
self.y = y
def __add__(self, position: Self) -> Self:
return Position(self.x + position.x, self.y + position.y)
def __sub__(self, position: Self) -> Self:
return Position(self.x - position.x, self.y - position.y)
def __mul__(self, position: Self) -> Self:
return Position(self.x * position.x, self.y * position.y)
def __str__(self):
return 'Position(%d, %d)' % (self.x, self.y)
def as_tuple(self) -> Tuple:
return (self.x, self.y)
def get_distance(self, position: Self) -> Self:
delta = position - self
return math.sqrt(math.pow(delta.x, 2) + math.pow(delta.y, 2))
def get_duplicate(self) -> Self:
return Position(self.x, self.y)
@staticmethod
def from_tuple(tuple) -> Self:
return Position(tuple[0], tuple[1])
class Color:
def __init__(self, red, green, blue):
self.red = red
self.green = green
self.blue = blue
def as_tuple(self) -> Tuple:
return (self.red, self.green, self.blue)
class Dimensions:
def __init__(self, width, height):
self.width = width
self.height = height
def __add__(self, dimensions: Self):
return Dimensions(self.width + dimensions.width, self.height + dimensions.height)
def as_tuple(self):
return self.width, self.height
@staticmethod
def from_tuple(tuple: Tuple):
return Dimensions(tuple[0], tuple[1])
class Drawable:
def __init__(self, dimensions = Dimensions(0, 0)):
self.surface = pygame.Surface(dimensions.as_tuple(), pygame.SRCALPHA)
def draw_inside(self, drawable: Self, position: Position):
self.surface.blit(drawable.surface, position.as_tuple())
def clear(self, color = Color(0, 0, 0)):
if color is None:
self.surface.fill(pygame.Color(0, 0, 0, 0))
return
self.surface.fill(color.as_tuple())
def get_image(self):
image = Image()
image.surface = self.surface
return image
def get_dimensions(self) -> Dimensions:
return Dimensions.from_tuple(self.surface.get_size())
def set_transparency(self, transparency: float):
self.surface.set_alpha(255 - 255 * transparency)
class Image(Drawable):
def __init__(self, path = None):
Drawable.__init__(self)
if path is not None:
self.surface = pygame.image.load(path)
class Canvas(Drawable):
def __init__(self, size: Dimensions):
Drawable.__init__(self, size)
class Screen:
def __init__(self, title: str, resolution: Dimensions):
self.resolution = resolution
self.screen = pygame.display.set_mode(resolution.as_tuple(), pygame.NOFRAME | pygame.FULLSCREEN | pygame.DOUBLEBUF)
pygame.display.set_caption(title)
def get_canvas(self):
canvas = Canvas(self.resolution)
canvas.surface = pygame.display.get_surface()
return canvas
def update(self) -> None:
pygame.dispay.flip()
@staticmethod
def get_screen_resolutions():
resolutions = []
for mode in pygame.display.list_modes():
resolutions.append(Dimensions.from_tuple(mode))
return resolutions
class Visualization:
def __init__(self, canvas: Canvas, position: Position):
self.canvas = canvas
self.position = position
self.on_hover = lambda : None
def draw(self, canvas: Canvas) -> None:
canvas.draw_inside(self.canvas, self.position)
def set_transparency(self, transparency: float):
self.canvas.set_transparency(transparency)
def get_dimensions(self) -> Dimensions:
return self.canvas.get_dimensions()
def is_inside(self, position: Position) -> bool:
if position.x < self.position.x:
return False
if position.y < self.position.y:
return False
dimensions = self.canvas.get_dimensions()
if position.x > self.position.x + dimensions.width:
return False
if position.y > self.position.y + dimensions.height:
return False
return True
class Clickable(Visualization):
def __init__(self, surface: Canvas, position: Position):
Visualization.__init__(self, surface, position)
self.on_click = lambda : None
def click(self) -> None:
self.on_click()
class Dragable(Clickable):
def __init__(self, canvas: Canvas, position: Position):
Clickable.__init__(self, canvas, position)
self.on_drag = lambda: None
self.on_drop = lambda dropable: None
self.on_fail = lambda drag: None
def drag(self) -> None:
self.on_drag()
def drop(self, dropable: 'Dropable') -> None:
self.on_drop(dropable)
def fail(self, drag: 'Drag'):
self.on_fail(drag)
class Container(Visualization):
def __init__(self, position: Position, dimensions: Dimensions):
Visualization.__init__(self, Canvas(dimensions), position)
self.background_image = None
self.background_color = Color(0, 0, 0)
self.visualizations = []
self.clickables = []
self.dropables = []
def set_background_image(self, image: Image) -> None:
self.background_image = image
def render(self) -> None:
self.canvas.clear(self.background_color)
if self.background_image is not None:
self.canvas.draw_inside(self.background_image, Dimensions(0, 0))
for visualization in self.visualizations:
visualization.draw(self.canvas)
def add_visualization(self, visualization: Visualization) -> None:
self.visualizations.append(visualization)
def add_clickable(self, clickable: Clickable) -> None:
self.add_visualization(clickable)
self.clickables.append(clickable)
def add_dropable(self, dropable: 'Dropable'):
self.add_visualization(dropable)
self.dropables.append(dropable)
class Dropable(Container):
def __init__(self, position: Position, dimensions: Dimensions):
Container.__init__(self, position, dimensions)
self.on_drop = lambda dragable: None
def drop(self, dragable: Dragable) -> None:
self.on_drop(dragable)
class Text(Visualization, Drawable):
def __init__(self, text: str, size: int = 12, font_family: str = 'freesansbold.ttf', color: Color = Color(255, 255, 255)):
font = pygame.font.Font(font_family, size)
self.surface = font.render(text, True, color.as_tuple())
Visualization.__init__(
self,
Canvas(Dimensions.from_tuple(self.surface.get_size())),
Position(0, 0)
)
self.canvas.surface = self.surface
class Drag:
def __init__(self, dragable: Dragable, cursor_offset: Position):
self.dragable = dragable
self.origin = dragable.position.get_duplicate()
self.cursor_offset = cursor_offset
class UI:
def __init__(self, title: str, resolution: Dimensions):
pygame.init()
self.is_running = True
self.clock = pygame.time.Clock()
self.screen = Screen(title, resolution)
self.canvas = self.screen.get_canvas()
self.drag = None
self.containers = []
def init(self) -> None:
pass
def update(self) -> None:
self.canvas.clear()
for container in self.containers:
container.render()
container.draw(self.canvas)
pygame.display.update()
def add_container(self, container: Container) -> None:
self.containers.append(container)
def exit(self) -> None:
self.is_running = False
def main(self) -> None:
while self.is_running:
event = pygame.event.wait()
if event.type == pygame.QUIT:
self.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
self.exit()
elif event.type == pygame.MOUSEBUTTONDOWN:
self._handle_click(event)
elif event.type == pygame.MOUSEBUTTONUP:
self._handle_drop(event)
elif event.type == pygame.MOUSEMOTION:
self._handle_mouse_motion(event)
self.update()
pygame.quit()
def _handle_click(self, event: pygame.event.Event) -> None:
clickables_clicked = self._get_clickables_clicked(event)
if len(clickables_clicked) == 0:
return
clickable = clickables_clicked[-1]
if self._is_in_filter(clickable, [Dragable]):
self.drag = Drag(
clickable,
Position.from_tuple(event.pos) - clickable.position
)
clickable.click()
def _handle_drag(self, event: pygame.event.Event) -> None:
position_cursor = Position.from_tuple(event.pos)
position = position_cursor - self.drag.cursor_offset
self.drag.dragable.position = position
self.drag.dragable.drag()
def _handle_drop(self, event: pygame.event.Event) -> None:
if self.drag is None:
return
position_cursor = Position.from_tuple(event.pos)
dropables_hovered = self._get_visualizations_hovered(position_cursor, [Dropable])
if len(dropables_hovered) == 0:
self.drag.dragable.fail(self.drag)
self.drag.dragable.position = self.drag.origin
else:
dropables_hovered[-1].drop(self.drag.dragable)
self.drag.dragable.drop(dropables_hovered[-1])
self.drag = None
def _handle_mouse_motion(self, event: pygame.event.Event) -> None:
if type(self.drag) is Drag:
self._handle_drag(event)
def _get_visualizations_hovered(self, cursor_position: Position, filter: list = []) -> list[Visualization]:
containers_hovered = []
visualizations_hovered = []
for container in self.containers:
if not container.is_inside(cursor_position):
continue
containers_hovered.append(container)
for container_hovered in containers_hovered:
for visualization in container_hovered.visualizations:
if not self._is_in_filter(visualization, filter):
continue
if visualization.is_inside(cursor_position):
visualizations_hovered.append(visualization)
return visualizations_hovered
def _get_clickables_clicked(self, event: pygame.event.Event) -> list[Clickable]:
clickables = self._get_visualizations_hovered(
Position.from_tuple(event.pos),
[Clickable, Dragable]
)
print(clickables)
return clickables
def _is_in_filter(self, visualization: Visualization, filter: list[Visualization] = []) -> bool:
if len(filter) == 0:
return True
for f in filter:
for parent in visualization.__class__.mro():
if parent is f:
return True
return False
class ListItem(Dragable):
def __init__(self, canvas: Canvas):
Dragable.__init__(self, canvas, Position(0, 0))
class ItemList(Dropable):
def __init__(self, position: Position, dimensions: Dimensions):
Dropable.__init__(self, position, dimensions)
def add_item(self, item: ListItem) -> None:
self.add_dropable(item)
class ResourceContainer:
def __init__(self):
self.images = {}
def add_image(self, name, url) -> None:
self.images[name] = Image(url)
def get_image(self, name) -> Image:
return self._get_resource(self.images, name)
def _get_resource(self, resources: list, name: str):
try:
return resources[name]
except KeyError:
raise Exception('Resource "%s" not found!' % (name))
@staticmethod
def from_json_file(json_file) -> Self:
with open(json_file, 'r') as file:
data = json.loads(file.read())
resources = ResourceContainer()
for image in data['images']:
resources.add_image(image, data['images'][image])
return resources