autoMate/util/screen_selector.py
2025-03-15 11:16:39 +08:00

150 lines
5.2 KiB
Python

import tkinter as tk
from tkinter import Button
import sys
class ScreenSelector:
def __init__(self):
self.root = tk.Tk()
self.root.withdraw()
# 创建全屏窗口
self.window = tk.Toplevel(self.root)
self.window.attributes("-fullscreen", True)
self.window.attributes("-alpha", 0.6)
self.window.attributes("-topmost", True)
# 初始化变量
self.start_x = self.start_y = self.current_x = self.current_y = None
self.selection_rect = self.confirm_button = None
self.result = None
# 创建画布
self.canvas = tk.Canvas(self.window, bg="gray20", highlightthickness=0)
self.canvas.pack(fill=tk.BOTH, expand=True)
# 绑定事件
self.canvas.bind("<ButtonPress-1>", self.on_press)
self.canvas.bind("<B1-Motion>", self.on_drag)
self.canvas.bind("<ButtonRelease-1>", self.on_release)
self.window.bind("<Escape>", self.cancel)
def on_press(self, event):
# 清除已有选择
if self.selection_rect:
self.canvas.delete(self.selection_rect)
if self.confirm_button:
self.confirm_button.destroy()
self.confirm_button = None
self.start_x = self.canvas.canvasx(event.x)
self.start_y = self.canvas.canvasy(event.y)
self.selection_rect = self.canvas.create_rectangle(
self.start_x, self.start_y, self.start_x, self.start_y,
outline="red", width=5
)
def on_drag(self, event):
self.current_x = self.canvas.canvasx(event.x)
self.current_y = self.canvas.canvasy(event.y)
# 更新选择框
self.canvas.coords(self.selection_rect,
self.start_x, self.start_y,
self.current_x, self.current_y)
# 更新透明区域
self.update_region()
def update_region(self):
self.canvas.delete("transparent_region")
# 计算坐标
x1 = min(self.start_x, self.current_x)
y1 = min(self.start_y, self.current_y)
x2 = max(self.start_x, self.current_x)
y2 = max(self.start_y, self.current_y)
# 绘制背景和透明区域
self.canvas.create_rectangle(
0, 0, self.window.winfo_width(), self.window.winfo_height(),
fill="gray20", stipple="gray50", tags="transparent_region"
)
self.canvas.create_rectangle(
x1, y1, x2, y2, fill="", outline="", tags="transparent_region"
)
# 确保选择框在最上层
self.canvas.tag_raise(self.selection_rect)
def on_release(self, event):
self.current_x = self.canvas.canvasx(event.x)
self.current_y = self.canvas.canvasy(event.y)
# 有效选择判断
if abs(self.current_x - self.start_x) > 5 and abs(self.current_y - self.start_y) > 5:
self.show_button()
def show_button(self):
if self.confirm_button:
self.confirm_button.destroy()
# 计算坐标
x1 = min(self.start_x, self.current_x)
y1 = min(self.start_y, self.current_y)
x2 = max(self.start_x, self.current_x)
y2 = max(self.start_y, self.current_y)
# 计算距离四个角的距离
distances = [
((self.current_x - x1)**2 + (self.current_y - y1)**2, (x1 - 90, y1 - 40)), # 左上
((self.current_x - x2)**2 + (self.current_y - y1)**2, (x2 + 10, y1 - 40)), # 右上
((self.current_x - x1)**2 + (self.current_y - y2)**2, (x1 - 90, y2 + 10)), # 左下
((self.current_x - x2)**2 + (self.current_y - y2)**2, (x2 + 10, y2 + 10)) # 右下
]
# 选择最近的角
btn_x, btn_y = min(distances, key=lambda d: d[0])[1]
# 边界检查
width, height = self.window.winfo_width(), self.window.winfo_height()
if btn_x + 80 > width: btn_x = x1 - 90
if btn_x < 0: btn_x = x2 + 10
if btn_y < 0: btn_y = y2 + 10
if btn_y + 30 > height: btn_y = y1 - 40
# 创建按钮
self.confirm_button = Button(
self.window, text="Confirm", command=self.confirm,
bg="white", fg="black", font=("Arial", 12, "bold"),
padx=10, pady=5
)
self.confirm_button.place(x=btn_x, y=btn_y)
def confirm(self):
# 获取选择区域坐标
x1 = min(self.start_x, self.current_x)
y1 = min(self.start_y, self.current_y)
x2 = max(self.start_x, self.current_x)
y2 = max(self.start_y, self.current_y)
self.result = (int(x1), int(y1), int(x2), int(y2))
self.root.quit()
self.window.destroy()
def cancel(self, event=None):
self.result = None
self.root.quit()
self.window.destroy()
def get_selection(self):
self.root.mainloop()
if hasattr(self, 'root') and self.root:
self.root.destroy()
return self.result
if __name__ == "__main__":
region = ScreenSelector().get_selection()
print(f"Selected region: {region}")
sys.exit(0)