172 lines
6.0 KiB
Python
172 lines
6.0 KiB
Python
from ctypes import windll
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from typing import Literal
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from importlib import resources
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from functools import cached_property
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import cv2
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import win32ui
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import win32gui
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import numpy as np
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from ahk import AHK
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from cv2.typing import MatLike
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from ..device import Device
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from ..protocol import Commandable, Touchable, Screenshotable
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class WindowsImpl(Touchable, Screenshotable):
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def __init__(self, device: Device):
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self.__hwnd: int | None = None
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# TODO: 硬编码路径
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self.ahk = AHK(executable_path=str(resources.files('kaa.res.bin') / 'AutoHotkey.exe'))
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self.device = device
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self.emergency = False
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# 设置 DPI aware，否则高缩放显示器上返回的坐标会错误
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windll.user32.SetProcessDPIAware()
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def toggle_emergency():
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self.emergency = True
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self.ahk.msg_box('已启用紧急暂停模式')
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self.ahk.add_hotkey('^F4', toggle_emergency)
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self.ahk.start_hotkeys()
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# 将点击坐标设置为相对 Client
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self.ahk.set_coord_mode('Mouse', 'Client')
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@cached_property
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def scale_ratio(self) -> float:
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"""
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缩放比例。截图与模拟输入前都会根据这个比例缩放。
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"""
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left, _, right, _ = self.__client_rect()
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w = right - left
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return 720 / w
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@property
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def hwnd(self) -> int:
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if self.__hwnd is None:
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self.__hwnd = win32gui.FindWindow(None, 'gakumas')
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if self.__hwnd is None or self.__hwnd == 0:
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raise RuntimeError('Failed to find window')
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return self.__hwnd
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def __client_rect(self) -> tuple[int, int, int, int]:
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"""获取 Client 区域屏幕坐标"""
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hwnd = self.hwnd
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client_left, client_top, client_right, client_bottom = win32gui.GetClientRect(hwnd)
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client_left, client_top = win32gui.ClientToScreen(hwnd, (client_left, client_top))
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client_right, client_bottom = win32gui.ClientToScreen(hwnd, (client_right, client_bottom))
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return client_left, client_top, client_right, client_bottom
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def __client_to_screen(self, hwnd: int, x: int, y: int) -> tuple[int, int]:
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"""将 Client 区域坐标转换为屏幕坐标"""
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return win32gui.ClientToScreen(hwnd, (x, y))
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def __wait_not_emergency(self):
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from time import sleep # TODO: 改为 kotonebot.backend.context.sleep
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while self.emergency:
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sleep(0.2)
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def screenshot(self) -> MatLike:
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if not self.ahk.win_is_active('gakumas'):
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self.ahk.win_activate('gakumas')
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hwnd = self.hwnd
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# TODO: 需要检查下面这些 WinAPI 的返回结果
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# 获取整个窗口的坐标
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left, top, right, bot = win32gui.GetWindowRect(hwnd)
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w = right - left
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h = bot - top
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# 获取客户区域的坐标
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client_left, client_top, client_right, client_bot = self.__client_rect()
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# 获取整个屏幕的截图
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hwndDC = win32gui.GetWindowDC(0)
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mfcDC = win32ui.CreateDCFromHandle(hwndDC)
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saveDC = mfcDC.CreateCompatibleDC()
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saveBitMap = win32ui.CreateBitmap()
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saveBitMap.CreateCompatibleBitmap(mfcDC, w, h)
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saveDC.SelectObject(saveBitMap)
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# 截图整个屏幕
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result = windll.gdi32.BitBlt(saveDC.GetSafeHdc(), 0, 0, w, h, mfcDC.GetSafeHdc(), left, top, 0x00CC0020)
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# 将截图转换为OpenCV格式
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bmpinfo = saveBitMap.GetInfo()
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bmpstr = saveBitMap.GetBitmapBits(True)
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im = np.frombuffer(bmpstr, dtype=np.uint8)
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im = im.reshape((bmpinfo['bmHeight'], bmpinfo['bmWidth'], 4))
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# 裁剪出客户区域
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cropped_im = im[client_top - top:client_bot - top, client_left - left:client_right - left]
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# 释放资源
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win32gui.DeleteObject(saveBitMap.GetHandle())
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saveDC.DeleteDC()
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mfcDC.DeleteDC()
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win32gui.ReleaseDC(hwnd, hwndDC)
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# 将 RGBA 转换为 RGB
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cropped_im = cv2.cvtColor(cropped_im, cv2.COLOR_RGBA2RGB)
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# 缩放
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cropped_im = cv2.resize(cropped_im, None, fx=self.scale_ratio, fy=self.scale_ratio)
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return cropped_im
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@property
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def screen_size(self) -> tuple[int, int]:
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# 因为截图和点击的坐标都被缩放了，
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# 因此这里只要返回固定值即可
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if self.device.orientation == 'landscape':
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return 1280, 720
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else:
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return 720, 1280
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def detect_orientation(self) -> None | Literal['portrait'] | Literal['landscape']:
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pos = self.ahk.win_get_position('gakumas')
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if pos is None:
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return None
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w, h = pos.width, pos.height
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if w > h:
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return 'landscape'
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else:
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return 'portrait'
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def click(self, x: int, y: int) -> None:
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self.__wait_not_emergency()
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# x, y = self.__client_to_screen(self.hwnd, x, y)
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# (0, 0) 很可能会点到窗口边框上
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if x == 0:
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x = 2
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if y == 0:
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y = 2
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x, y = int(x / self.scale_ratio), int(y / self.scale_ratio)
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if not self.ahk.win_is_active('gakumas'):
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self.ahk.win_activate('gakumas')
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self.ahk.click(x, y)
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def swipe(self, x1: int, y1: int, x2: int, y2: int, duration: float | None = None) -> None:
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self.__wait_not_emergency()
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if not self.ahk.win_is_active('gakumas'):
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self.ahk.win_activate('gakumas')
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x1, y1 = int(x1 / self.scale_ratio), int(y1 / self.scale_ratio)
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x2, y2 = int(x2 / self.scale_ratio), int(y2 / self.scale_ratio)
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# TODO: 这个 speed 的单位是什么？
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self.ahk.mouse_drag(x2, y2, from_position=(x1, y1), coord_mode='Client', speed=10)
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if __name__ == '__main__':
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from ..device import Device
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from time import sleep
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device = Device()
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impl = WindowsImpl(device)
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device._screenshot = impl
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device._touch = impl
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device.swipe_scaled(0.5, 0.8, 0.5, 0.2)
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# impl.swipe(0, 100, 0, 0)
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# impl.click(100, 100)
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# while True:
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# im = impl.screenshot()
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# cv2.imshow('test', im)
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# cv2.waitKey(1)
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