Python窗口激活

Question

如何以编程方式激活Windows中使用Python的窗口？我正在向它发送键击，现在我只是确保它是最后一个应用程序，然后发送按键Alt + Tab从DOS控制台切换到它。有没有更好的方法（因为我从经验中学到这种方式绝不是万无一失的）？

Answer 1

你可以使用win32gui模块来做到这一点。首先，您需要获得有效的窗口句柄。如果您知道窗口类名称或确切标题，则可以使用win32gui.FindWindow。如果没有，您可以使用win32gui.EnumWindows来枚举窗口并尝试找到合适的窗口。

一旦你有手柄，你可以用手柄拨打win32gui.SetForegroundWindow。它会激活窗口，并准备好获取您的击键。

查看下面的示例。我希望它能帮助

import win32gui 
import re 


class WindowMgr: 
    """Encapsulates some calls to the winapi for window management""" 

    def __init__ (self): 
     """Constructor""" 
     self._handle = None 

    def find_window(self, class_name, window_name=None): 
     """find a window by its class_name""" 
     self._handle = win32gui.FindWindow(class_name, window_name) 

    def _window_enum_callback(self, hwnd, wildcard): 
     """Pass to win32gui.EnumWindows() to check all the opened windows""" 
     if re.match(wildcard, str(win32gui.GetWindowText(hwnd))) is not None: 
      self._handle = hwnd 

    def find_window_wildcard(self, wildcard): 
     """find a window whose title matches the wildcard regex""" 
     self._handle = None 
     win32gui.EnumWindows(self._window_enum_callback, wildcard) 

    def set_foreground(self): 
     """put the window in the foreground""" 
     win32gui.SetForegroundWindow(self._handle) 


w = WindowMgr() 
w.find_window_wildcard(".*Hello.*") 
w.set_foreground() 

Answer 2

Pywinauto和SWAPY可能只需要最少的努力to set the focus of a window。

使用SWAPY如果发生意外，其他窗口都在关注的窗口，而不是一个问题前自动生成必要的检索窗​​口对象的Python代码，例如：

import pywinauto 

# SWAPY will record the title and class of the window you want activated 
app = pywinauto.application.Application() 
t, c = u'WINDOW SWAPY RECORDS', u'CLASS SWAPY RECORDS' 
handle = pywinauto.findwindows.find_windows(title=t, class_name=c)[0] 
# SWAPY will also get the window 
window = app.window_(handle=handle) 

# this here is the only line of code you actually write (SWAPY recorded the rest) 
window.SetFocus() 

。 This additional code或this将确保它运行上面的代码之前显示：

# minimize then maximize to bring this window in front of all others 
window.Minimize() 
window.Maximize() 
# now you can set its focus 
window.SetFocus()