explorer_browser.py 文件源码

def __init__(self):
        message_map = {
                win32con.WM_DESTROY: self.OnDestroy,
                win32con.WM_COMMAND: self.OnCommand,
                win32con.WM_SIZE: self.OnSize,
        }
        # Register the Window class.
        wc = win32gui.WNDCLASS()
        hinst = wc.hInstance = win32api.GetModuleHandle(None)
        wc.lpszClassName = "test_explorer_browser"
        wc.lpfnWndProc = message_map # could also specify a wndproc.
        classAtom = win32gui.RegisterClass(wc)
        # Create the Window.
        style = win32con.WS_OVERLAPPEDWINDOW | win32con.WS_VISIBLE
        self.hwnd = win32gui.CreateWindow( classAtom, "Python IExplorerBrowser demo", style, \
                0, 0, win32con.CW_USEDEFAULT, win32con.CW_USEDEFAULT, \
                0, 0, hinst, None)
        eb = pythoncom.CoCreateInstance(shellcon.CLSID_ExplorerBrowser, None, pythoncom.CLSCTX_ALL, shell.IID_IExplorerBrowser)
        # as per MSDN docs, hook up events early
        self.event_cookie = eb.Advise(wrap(EventHandler()))

        eb.SetOptions(shellcon.EBO_SHOWFRAMES)
        rect = win32gui.GetClientRect(self.hwnd)
        # Set the flags such that the folders autoarrange and non web view is presented
        flags = (shellcon.FVM_LIST, shellcon.FWF_AUTOARRANGE | shellcon.FWF_NOWEBVIEW)
        eb.Initialize(self.hwnd, rect, (0, shellcon.FVM_DETAILS))
        if len(sys.argv)==2:
            # If an arg was specified, ask the desktop parse it.
            # You can pass anything explorer accepts as its '/e' argument -
            # eg, "::{guid}\::{guid}" etc.
            # "::{20D04FE0-3AEA-1069-A2D8-08002B30309D}" is "My Computer"
            pidl = shell.SHGetDesktopFolder().ParseDisplayName(0, None, sys.argv[1])[1]
        else:
            # And start browsing at the root of the namespace.
            pidl = []
        eb.BrowseToIDList(pidl, shellcon.SBSP_ABSOLUTE)
        # and for some reason the "Folder" view in the navigator pane doesn't
        # magically synchronize itself - so let's do that ourself.
        # Get the tree control.
        sp = eb.QueryInterface(pythoncom.IID_IServiceProvider)
        try:
            tree = sp.QueryService(shell.IID_INameSpaceTreeControl,
                                   shell.IID_INameSpaceTreeControl)
        except pythoncom.com_error as exc:
            # this should really only fail if no "nav" frame exists...
            print("Strange - failed to get the tree control even though " \
                  "we asked for a EBO_SHOWFRAMES")
            print(exc)
        else:
            # get the IShellItem for the selection.
            si = shell.SHCreateItemFromIDList(pidl, shell.IID_IShellItem)
            # set it to selected.
            tree.SetItemState(si, shellcon.NSTCIS_SELECTED, shellcon.NSTCIS_SELECTED)

        #eb.FillFromObject(None, shellcon.EBF_NODROPTARGET); 
        #eb.SetEmptyText("No known folders yet...");  
        self.eb = eb