L3-Bataille-Navale/source/gui/widget/abc/BoxWidget.py

171 lines
5.5 KiB
Python

from abc import ABC
from typing import TYPE_CHECKING, Optional
from source.gui.widget.abc import Widget
from source.type import Distance, Percentage
from source.utils import in_bbox
if TYPE_CHECKING:
from source.gui.scene.abc import Scene
class BoxWidget(Widget, ABC):
"""
Same as a basic widget, but inside a box
"""
def __init__(self, scene: "Scene",
x: Distance = 0,
y: Distance = 0,
width: Distance = None,
height: Distance = None):
super().__init__(scene)
# memorize the value with a percent value
self.x = x
self.y = y
self.width = width
self.height = height
self.hovering = False # is the button currently hovered ?
self.clicking = False # is the button currently clicked ?
self.activated = False # is the button activated ? (the last click was inside this widget)
# property
def _getter_distance(self, max_distance: int, raw_distance: Distance) -> int:
"""
Return the true distance in pixel from a more abstract distance
:param max_distance: the max value the distance in pixel should have
:param raw_distance: the distance object to convert to pixel
:return: the true distance in pixel
"""
if isinstance(raw_distance, Percentage): return int(max_distance * raw_distance)
if isinstance(raw_distance, int): return raw_distance
if callable(raw_distance): return raw_distance(self)
if raw_distance is None: return 0
raise TypeError(f"Invalid type for the distance : {type(raw_distance)}")
@property
def x(self) -> int:
return self._getter_distance(self.scene.window.width, self._x)
@x.setter
def x(self, x: Distance):
self._x = x
@property
def y(self) -> int:
return self._getter_distance(self.scene.window.height, self._y)
@y.setter
def y(self, y: Distance):
self._y = y
@property
def xy(self) -> tuple[int, int]:
return self.x, self.y
@property
def x2(self) -> int:
return self.x + self.width
@property
def y2(self) -> int:
return self.y + self.height
@property
def xy2(self) -> tuple[int, int]:
return self.x2, self.y2
@property
def width(self) -> int:
return self._getter_distance(self.scene.window.width, self._width)
@width.setter
def width(self, width: Optional[Distance]):
self._width = width
@property
def height(self) -> int:
return self._getter_distance(self.scene.window.height, self._height)
@height.setter
def height(self, height: Optional[Distance]):
self._height = height
@property
def size(self) -> tuple[int, int]:
return self.width, self.height
@property
def bbox(self) -> tuple[int, int, int, int]:
return self.x, self.y, self.x2, self.y2
@property
def center_x(self) -> float:
return self.x + (self.width / 2)
@property
def center_y(self) -> float:
return self.y + (self.height / 2)
@property
def center(self) -> tuple[float, float]:
return self.center_x, self.center_y
# event
def on_mouse_motion(self, x: int, y: int, dx: int, dy: int):
"""
When the mouse is moved, this event is triggered.
Allow the implementation of the on_hover_enter and on_hover_leave events
:x: the x position of the mouse
:y: the y position of the mouse
:dx: the difference of the x mouse axis
:dy: the difference of the y mouse axis
"""
rel_x, rel_y = x - self.x, y - self.y
old_hovering = self.hovering
self.hovering = in_bbox((x, y), self.bbox)
if old_hovering != self.hovering: # if the hover changed
# call the hover changed event
self.trigger_event("on_hover_change", rel_x, rel_y)
# call the hover enter / leave event
self.trigger_event("on_hover_enter" if self.hovering else "on_hover_leave", rel_x, rel_y)
if self.hovering: # if the mouse motion is inside the collision
self.trigger_event("on_hover", rel_x, rel_y) # call the hover event
def on_mouse_press(self, x: int, y: int, button: int, modifiers: int):
rel_x, rel_y = x - self.x, y - self.y
self.activated = in_bbox((x, y), self.bbox)
self.trigger_event("on_activate_change", rel_x, rel_y, button, modifiers)
if self.activated: # if the click was inside the widget
self.trigger_event("on_activate_enter", rel_x, rel_y, button, modifiers)
self.clicking = True # the widget is also now clicked
self.trigger_event("on_click_change", rel_x, rel_y, button, modifiers)
self.trigger_event("on_click_press", rel_x, rel_y, button, modifiers)
else:
self.trigger_event("on_activate_leave", rel_x, rel_y, button, modifiers)
def on_mouse_release(self, x: int, y: int, button: int, modifiers: int):
rel_x, rel_y = x - self.x, y - self.y
old_click: bool = self.clicking
self.clicking = False # the widget is no longer clicked
if not in_bbox((x, y), self.bbox): return # if the release was not in the collision, ignore
if old_click: # if this button was the one hovered when the click was pressed
self.trigger_event("on_click_change", rel_x, rel_y, button, modifiers)
self.trigger_event("on_click_release", rel_x, rel_y, button, modifiers)