85 lines
2.6 KiB
Python
85 lines
2.6 KiB
Python
from typing import TYPE_CHECKING, Type
|
|
|
|
import pyglet
|
|
|
|
from source.gui.better_pyglet import Sprite, Label
|
|
from source.gui.texture.abc import Style
|
|
from source.gui.widget.abc import BoxWidget
|
|
from source.type import Distance
|
|
from source.utils import dict_filter_prefix
|
|
|
|
if TYPE_CHECKING:
|
|
from source.gui.scene.abc import Scene
|
|
|
|
|
|
class Button(BoxWidget):
|
|
"""
|
|
A button widget with a background texture that change depending on if it is clicked or hovered, and a label.
|
|
You can pass parameter to the background and label by adding "background_" and "label_" before the parameter.
|
|
"""
|
|
|
|
def __init__(self, scene: "Scene",
|
|
|
|
style: Type[Style],
|
|
|
|
x: Distance = 0,
|
|
y: Distance = 0,
|
|
width: Distance = None,
|
|
height: Distance = None,
|
|
|
|
**kwargs):
|
|
super().__init__(scene, x, y, width, height)
|
|
|
|
self.style = style
|
|
|
|
self.background = Sprite(
|
|
img=self.style.get("normal"),
|
|
batch=self.scene.batch,
|
|
**dict_filter_prefix("background_", kwargs)
|
|
)
|
|
|
|
self.label = Label(
|
|
width=None, height=None,
|
|
anchor_x="center", anchor_y="center",
|
|
batch=self.scene.batch,
|
|
**dict_filter_prefix("label_", kwargs)
|
|
)
|
|
|
|
self.add_listener("on_hover_change", lambda *_: self._refresh_background())
|
|
self.add_listener("on_click_change", lambda *_: self._refresh_background())
|
|
|
|
self._refresh_size() # refresh the size and position for the background and label
|
|
|
|
# background
|
|
|
|
@property
|
|
def background_texture(self) -> pyglet.image.AbstractImage:
|
|
"""
|
|
Return the correct texture for the background.
|
|
The clicking texture per default, if hover the hovered texture (if it exists)
|
|
and if click the clicking texture (if it exists)
|
|
:return: the corresponding texture
|
|
"""
|
|
|
|
return (
|
|
texture if self.clicking and (texture := self.style.get("click")) is not None else # NOQA
|
|
texture if self.hovering and (texture := self.style.get("hover")) is not None else
|
|
self.style.get("normal")
|
|
)
|
|
|
|
# refresh
|
|
|
|
def _refresh_background(self) -> None:
|
|
self.background.image = self.background_texture
|
|
|
|
def _refresh_size(self) -> None:
|
|
self.background.x, self.background.y = self.xy
|
|
self.background.width, self.background.height = self.size
|
|
|
|
# center the label
|
|
self.label.x, self.label.y = self.center
|
|
|
|
# event
|
|
|
|
def on_resize(self, width: int, height: int):
|
|
self._refresh_size()
|