我刚刚大炮打蚊子,用 ahk,windows 命令面板,python 做了个我想要的窗口切换器

import sys
from PyQt5.QtWidgets import (QApplication, QMainWindow, QListWidget, 
                             QVBoxLayout, QLineEdit, QWidget, QFrame)
from PyQt5.QtCore import Qt, QEvent
from PyQt5.QtWidgets import QDesktopWidget
import pyautogui
import pyperclip 
import time
def powertoy_active_window(text):
    sleep_second = 0.2
    time.sleep(sleep_second)
    pyautogui.hotkey("win", "alt", "k")
    time.sleep(sleep_second)
    pyperclip.copy(text)
    pyautogui.hotkey("ctrl", "v")
    time.sleep(sleep_second)
    pyautogui.hotkey("enter")


class CommandPalette(QWidget):
    def __init__(self, parent=None):
        super().__init__(parent)
        # 1. 设置 UI 属性：无边框、置顶、背景透明
        self.setWindowFlags(Qt.FramelessWindowHint | Qt.Dialog)
        self.setAttribute(Qt.WA_TranslucentBackground)
        
        # 外层容器（用于实现圆角和边框）
        self.container = QFrame(self)
        self.container.setFixedWidth(500)
        self.container.setStyleSheet("""
            QFrame {
                background-color: #252526;
                border: 1px solid #454545;
                border-radius: 6px;
            }
        """)
        
        layout = QVBoxLayout(self.container)
        
        # 2. 搜索输入框
        self.search_bar = QLineEdit()
        self.search_bar.setPlaceholderText("键入命令名称以筛选...")
        self.search_bar.setStyleSheet("""
            QLineEdit {
                background-color: #3c3c3c;
                color: #cccccc;
                border: 1px solid #007acc;
                padding: 6px;
                font-size: 14px;
                selection-background-color: #264f78;
            }
        """)
        
        # 3. 命令列表
        self.list_widget = QListWidget()
        self.list_widget.setStyleSheet("""
            QListWidget {
                background-color: #252526;
                color: #cccccc;
                border: none;
                font-size: 13px;
                outline: none;
            }
            QListWidget::item { padding: 10px; border-radius: 4px; }
            QListWidget::item:selected { background-color: #094771; color: white; }
            QListWidget::item:hover { background-color: #2a2d2e; }
        """)

        layout.addWidget(self.search_bar)
        layout.addWidget(self.list_widget)
        
        main_layout = QVBoxLayout(self)
        main_layout.setContentsMargins(0, 0, 0, 0)
        main_layout.addWidget(self.container, alignment=Qt.AlignCenter)

        # 模拟命令数据
        # self.commands = [
        # "File: New File", 
        # "Git: Commit All", 
        # "Python: Run Current File", 
        # "Settings: Open Settings", 
        # "Terminal: Toggle Terminal",
        # "View: Layout Grid"
        # ]
        self.commands = [
            ["1. book", "book code"],
            ["2. anti2", "anti2 code"],
            ["4. chrounim", "chro"],
            ["5.q-dir", "q-dir"],
        ]
        self.refresh_list("")

        # 信号连接
        self.search_bar.textChanged.connect(self.refresh_list)
        self.search_bar.returnPressed.connect(self.execute_selected)
        self.list_widget.itemClicked.connect(self.execute_selected)

        # 2. 当在列表中通过方向键选中某项并按回车时，触发 itemActivated
        self.list_widget.itemActivated.connect(self.execute_selected)


        # 安装事件过滤器以捕获按键
        self.installEventFilter(self)

    def refresh_list(self, text):
        self.list_widget.clear()
        # 简单的包含搜索（不区分大小写）
        # filtered = [cmd for cmd in self.commands if text.lower() in cmd.lower()]
        filtered = [info[0] for info in self.commands if text.lower() in info[0].lower()]
        self.list_widget.addItems(filtered)
        if self.list_widget.count() > 0:
            self.list_widget.setCurrentRow(0)

    def execute_selected(self):
        item = self.list_widget.currentItem()
        if item:
            print(f"触发动作: {item.text()}")
            text = item.text()
            item = [e for e in self.commands if e[0] == text][0]
            send_text = item[1]
            print("#执行命令#:{}".format(send_text))
            powertoy_active_window(send_text)
            # self.hide()
            QApplication.instance().quit() 

    def show_palette(self):
        width = 500
        height = 400 # 假设高度为 400
        self.setFixedSize(width, height)

        # 2. 获取屏幕中心
        # availableGeometry() 会避开任务栏，确保真正的视觉垂直居中
        screen_geo = QDesktopWidget().availableGeometry()
        screen_center = screen_geo.center()

        # 3. 计算面板位置，使其中心点与屏幕中心点重合
        # 我们可以通过 moveCenter 方便地实现
        qr = self.frameGeometry()
        qr.moveCenter(screen_center)
        self.move(qr.topLeft())

        # 4. 显示并聚焦
        self.show()
        self.raise_()
        self.activateWindow()
        self.search_bar.setFocus()
        self.search_bar.selectAll() # 方便用户直接覆盖键入

    def eventFilter(self, obj, event):
        if event.type() == QEvent.KeyPress:
            # Esc 键退出
            if event.key() == Qt.Key_Escape:
                self.hide()
                return True
            # 下方向键快速进入列表选择
            if event.key() == Qt.Key_Down and self.search_bar.hasFocus():
                self.list_widget.setFocus()
                return True
        return super().eventFilter(obj, event)

class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("PyQt5 VS Code Command Palette")
        self.resize(1000, 700)
        # self.minimumSize()
        self.showMinimized()
        self.setStyleSheet("background-color: #1e1e1e;") # 模拟 VS Code 背景
        
        # 初始化命令面板
        self.palette = CommandPalette(self)
        # self.palette.hide()
        self.palette.show_palette()
    def center_on_screen(self):
        # 获取窗口几何结构
        frame_geometry = self.frameGeometry()
        
        # 获取屏幕中心点
        # QDesktopWidget().availableGeometry() 会排除任务栏占据的空间
        screen_center = QDesktopWidget().availableGeometry().center()
        
        # 将窗口几何结构的中心点移动到屏幕中心点
        frame_geometry.moveCenter(screen_center)
        
        # 移动窗口左上角到计算出的位置
        self.move(frame_geometry.topLeft())

    def keyPressEvent(self, event):
        # 绑定快捷键 Ctrl+Shift+P (Qt.ControlModifier | Qt.ShiftModifier)
        if (event.modifiers() == (Qt.ControlModifier | Qt.ShiftModifier) and 
            event.key() == Qt.Key_P):
            self.palette.show_palette()

if __name__ == "__main__":
    app = QApplication(sys.argv)
    # 设置应用字体
    app.setStyle("Fusion")
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())