shell_view.py 文件源码

def OnContextMenu(self, hwnd, msg, wparam, lparam):
        # Get the selected items.
        pidls = []
        n = -1
        while 1:
            n = win32gui.SendMessage(self.hwnd_child,
                                     commctrl.LVM_GETNEXTITEM,
                                     n,
                                     commctrl.LVNI_SELECTED)
            if n==-1:
                break
            pidls.append(self.children[n][-1:])

        spt = win32api.GetCursorPos()
        if not pidls:
            print "Ignoring background click"
            return
        # Get the IContextMenu for the items.
        inout, cm = self.folder.GetUIObjectOf(self.hwnd_parent, pidls, shell.IID_IContextMenu, 0)
        hmenu = win32gui.CreatePopupMenu()
        sel = None
        # As per 'Q179911', we need to determine if the default operation
        # should be 'open' or 'explore'
        try:
            flags = 0
            try:
                self.browser.GetControlWindow(shellcon.FCW_TREE)
                flags |= shellcon.CMF_EXPLORE
            except pythoncom.com_error:
                pass
            id_cmd_first = 1 # TrackPopupMenu makes it hard to use 0
            cm.QueryContextMenu(hmenu, 0, id_cmd_first, -1, flags)
            tpm_flags = win32con.TPM_LEFTALIGN | win32con.TPM_RETURNCMD | \
                        win32con.TPM_RIGHTBUTTON
            sel = win32gui.TrackPopupMenu(hmenu,
                                          tpm_flags,
                                          spt[0], spt[1],
                                          0, self.hwnd, None)
            print "TrackPopupMenu returned", sel
        finally:
            win32gui.DestroyMenu(hmenu)
        if sel:
            ci = 0, self.hwnd_parent, sel-id_cmd_first, None, None, 0, 0, 0
            cm.InvokeCommand(ci)