Difficult-Rocket/Difficult_Rocket/gui/widget/button.py

#  -------------------------------
#  Difficult Rocket
#  Copyright © 2020-2023 by shenjackyuanjie 3695888@qq.com
#  All rights reserved
#  -------------------------------

from typing import Optional, Tuple

# from libs import pyglet
import pyglet
from pyglet.text import Label
from pyglet.gui import widgets
from pyglet.window import mouse
# from pyglet.sprite import Sprite
from pyglet.shapes import Rectangle
# from pyglet.image import AbstractImage
from pyglet.graphics import Batch, Group

from Difficult_Rocket.api.types import Options, FontData

# from Difficult_Rocket import DR_status


RGBA = Tuple[int, int, int, int]


class ButtonDrawTheme:
    """
    直接绘制按钮的风格
    """
    name = 'ButtonDrawTheme'

    def __init__(self,
                 batch: Batch,
                 group: Group):
        self.batch = batch
        self.group = group
        a = (72, 73, 74)
        b = (109, 109, 110)
        c = (88, 91, 92)
        d = (124, 124, 125)
        e = (49, 50, 51)
        touch_a = (49, 50, 51)
        touch_b = (90, 91, 92)
        touch_c = (71, 72, 72)
        touch_d = (106, 107, 108)

    def on_touch(self, x, y) -> None:
        """
        当鼠标在按钮上的时候
        :param x: 鼠标绝对位置
        :param y: 鼠标绝对位置
        :return:
        """

    def on_move_away(self) -> None:
        """
        当鼠标移出按钮的时候
        :return:
        """

    def on_hit(self, x: int, y: int) -> None:
        """
        当鼠标点击按钮的时候
        :param x: 鼠标绝对位置
        :param y: 鼠标绝对位置
        :return:
        """

    def on_release(self) -> None:
        """
        当鼠标松开按钮的时候
        :return:
        """



class ButtonThemeOptions(Options):
    """ 基于 Options 写的 ButtonTheme """
    name = 'ButtonTheme'
    untouched_color: RGBA = (39, 73, 114, 255)
    touched_color: RGBA = (66, 150, 250, 255)
    hit_color: RGBA = (15, 135, 250, 255)
    font_theme: FontData = FontData()

    def __str__(self):
        return self.as_markdown()


class PressTextButton(widgets.WidgetBase):
    """
    自带 字符 + 材质 的按钮，就不用单独做材质了
    """

    def __init__(self,
                 x: int,
                 y: int,
                 width: int,
                 height: int,
                 text: str,
                 batch: Optional[Batch] = None,
                 group: Optional[Group] = None,
                 theme: Optional[ButtonThemeOptions] = None,
                 ):
        super().__init__(x, y, width, height)
        self.main_batch = batch or Batch()
        self.user_batch = batch is not None
        self.front_group = Group(order=10, parent=group)
        self.back_ground_group = Group(order=5, parent=group)
        self.pressed = False

        self.theme = theme or ButtonThemeOptions()

        self.untouched_color = self.theme.untouched_color
        self.touched_color = self.theme.touched_color
        self.hit_color = self.theme.hit_color
        # from ImGui

        self.text = text
        self.text_label = Label(font_name=self.theme.font_theme.font_name, font_size=self.theme.font_theme.font_size,
                                batch=self.main_batch, group=self.front_group,
                                x=self._x, y=self._y, width=self._width,
                                height=self._height,)
        self.font = pyglet.font.load(self.theme.font_theme.font_name,
                                     self.theme.font_theme.font_size,
                                     bold=self.theme.font_theme.bold,
                                     italic=self.theme.font_theme.italic,
                                     stretch=self.theme.font_theme.stretch)
        self.font_height = self.font.ascent - self.font.descent
        self.back_rec = Rectangle(x=self._x, y=self._y,
                                  width=self._width, height=self._height,
                                  color=self.untouched_color,  # ImGui color
                                  batch=self.main_batch, group=self.back_ground_group)

        self.value = text  # 重新分配一下高度和宽度的位置

    @property
    def value(self):
        return self.text

    @value.setter
    def value(self, value):
        self.text = value
        self.text_label.text = value
        text_width = self.text_label.content_width
        self.text_label.x = self._x + (self.width - text_width) // 2
        self.text_label.y = self._y + (self.height - self.font_height) // 2 + (self.font_height * 0.2)  # 修正一下位置

    def __contains__(self, item):
        return item in self.back_rec

    def on_draw(self):
        if not self.user_batch:
            self.main_batch.draw()

    def on_mouse_motion(self, x, y, dx, dy):
        if (x, y) in self.back_rec:
            self.back_rec.color = self.touched_color
        else:
            self.pressed = False
            self.back_rec.color = self.untouched_color

    def on_mouse_press(self, x, y, buttons, modifiers) -> bool:
        if (x, y) in self and buttons == mouse.LEFT:
            self.back_rec.color = self.hit_color
            self.dispatch_event('on_press', x, y)
            self.pressed = True
            return True
        return False

    def on_mouse_release(self, x, y, buttons, modifiers):
        if self.pressed and (x, y) in self:
            self.back_rec.color = self.touched_color
            self.pressed = False

    def _update_position(self):
        self.text_label.position = self._x, self._y
        self.back_rec.position = self._x, self._y
        self.back_rec.width = self._width
        self.back_rec.height = self._height


PressTextButton.register_event_type('on_press')