mirror of
https://github.com/apprenticeharper/DeDRM_tools
synced 2024-11-15 06:12:51 +00:00
214 lines
6.4 KiB
Python
214 lines
6.4 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# vim:ts=4:sw=4:softtabstop=4:smarttab:expandtab
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# to work around tk_chooseDirectory not properly returning unicode paths on Windows
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# need to use a dialog that can be hacked up to actually return full unicode paths
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# originally based on AskFolder from EasyDialogs for Windows but modified to fix it
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# to actually use unicode for path
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# The original license for EasyDialogs is as follows
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#
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# Copyright (c) 2003-2005 Jimmy Retzlaff
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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# Adjusted for Python 3, September 2020
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"""
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AskFolder(...) -- Ask the user to select a folder Windows specific
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"""
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import os
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import ctypes
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from ctypes import POINTER, byref, cdll, c_int, windll
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from ctypes.wintypes import LPCWSTR, LPWSTR
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import ctypes.wintypes as wintypes
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__all__ = ['AskFolder']
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# Load required Windows DLLs
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ole32 = ctypes.windll.ole32
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shell32 = ctypes.windll.shell32
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user32 = ctypes.windll.user32
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# Windows Constants
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BFFM_INITIALIZED = 1
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BFFM_SETOKTEXT = 1129
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BFFM_SETSELECTIONA = 1126
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BFFM_SETSELECTIONW = 1127
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BIF_EDITBOX = 16
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BS_DEFPUSHBUTTON = 1
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CB_ADDSTRING = 323
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CB_GETCURSEL = 327
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CB_SETCURSEL = 334
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CDM_SETCONTROLTEXT = 1128
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EM_GETLINECOUNT = 186
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EM_GETMARGINS = 212
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EM_POSFROMCHAR = 214
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EM_SETSEL = 177
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GWL_STYLE = -16
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IDC_STATIC = -1
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IDCANCEL = 2
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IDNO = 7
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IDOK = 1
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IDYES = 6
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MAX_PATH = 260
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OFN_ALLOWMULTISELECT = 512
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OFN_ENABLEHOOK = 32
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OFN_ENABLESIZING = 8388608
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OFN_ENABLETEMPLATEHANDLE = 128
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OFN_EXPLORER = 524288
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OFN_OVERWRITEPROMPT = 2
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OPENFILENAME_SIZE_VERSION_400 = 76
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PBM_GETPOS = 1032
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PBM_SETMARQUEE = 1034
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PBM_SETPOS = 1026
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PBM_SETRANGE = 1025
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PBM_SETRANGE32 = 1030
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PBS_MARQUEE = 8
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PM_REMOVE = 1
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SW_HIDE = 0
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SW_SHOW = 5
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SW_SHOWNORMAL = 1
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SWP_NOACTIVATE = 16
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SWP_NOMOVE = 2
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SWP_NOSIZE = 1
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SWP_NOZORDER = 4
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VER_PLATFORM_WIN32_NT = 2
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WM_COMMAND = 273
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WM_GETTEXT = 13
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WM_GETTEXTLENGTH = 14
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WM_INITDIALOG = 272
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WM_NOTIFY = 78
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# Windows function prototypes
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BrowseCallbackProc = ctypes.WINFUNCTYPE(ctypes.c_int, wintypes.HWND, ctypes.c_uint, wintypes.LPARAM, wintypes.LPARAM)
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# Windows types
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LPCTSTR = ctypes.c_char_p
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LPTSTR = ctypes.c_char_p
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LPVOID = ctypes.c_voidp
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TCHAR = ctypes.c_char
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class BROWSEINFO(ctypes.Structure):
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_fields_ = [
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("hwndOwner", wintypes.HWND),
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("pidlRoot", LPVOID),
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("pszDisplayName", LPTSTR),
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("lpszTitle", LPCTSTR),
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("ulFlags", ctypes.c_uint),
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("lpfn", BrowseCallbackProc),
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("lParam", wintypes.LPARAM),
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("iImage", ctypes.c_int)
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]
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# Utilities
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def CenterWindow(hwnd):
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desktopRect = GetWindowRect(user32.GetDesktopWindow())
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myRect = GetWindowRect(hwnd)
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x = width(desktopRect) // 2 - width(myRect) // 2
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y = height(desktopRect) // 2 - height(myRect) // 2
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user32.SetWindowPos(hwnd, 0,
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desktopRect.left + x,
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desktopRect.top + y,
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0, 0,
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SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER
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)
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def GetWindowRect(hwnd):
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rect = wintypes.RECT()
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user32.GetWindowRect(hwnd, ctypes.byref(rect))
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return rect
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def width(rect):
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return rect.right-rect.left
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def height(rect):
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return rect.bottom-rect.top
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def AskFolder(
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message=None,
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version=None,
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defaultLocation=None,
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location=None,
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windowTitle=None,
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actionButtonLabel=None,
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cancelButtonLabel=None,
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multiple=None):
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"""Display a dialog asking the user for select a folder.
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modified to use unicode strings as much as possible
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returns unicode path
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"""
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def BrowseCallback(hwnd, uMsg, lParam, lpData):
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if uMsg == BFFM_INITIALIZED:
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if actionButtonLabel:
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label = actionButtonLabel.decode('utf-8', 'replace')
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user32.SendMessageW(hwnd, BFFM_SETOKTEXT, 0, label)
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if cancelButtonLabel:
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label = cancelButtonLabel.decode('utf-8', 'replace')
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cancelButton = user32.GetDlgItem(hwnd, IDCANCEL)
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if cancelButton:
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user32.SetWindowTextW(cancelButton, label)
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if windowTitle:
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title = windowTitle.decode('utf-8', 'replace')
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user32.SetWindowTextW(hwnd, title)
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if defaultLocation:
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user32.SendMessageW(hwnd, BFFM_SETSELECTIONW, 1, defaultLocation.replace('/', '\\'))
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if location:
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x, y = location
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desktopRect = wintypes.RECT()
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user32.GetWindowRect(0, ctypes.byref(desktopRect))
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user32.SetWindowPos(hwnd, 0,
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desktopRect.left + x,
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desktopRect.top + y, 0, 0,
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SWP_NOACTIVATE | SWP_NOSIZE | SWP_NOZORDER)
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else:
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CenterWindow(hwnd)
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return 0
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# This next line is needed to prevent gc of the callback
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callback = BrowseCallbackProc(BrowseCallback)
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browseInfo = BROWSEINFO()
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browseInfo.pszDisplayName = ctypes.c_char_p('\0' * (MAX_PATH+1))
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browseInfo.lpszTitle = message
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browseInfo.lpfn = callback
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pidl = shell32.SHBrowseForFolder(ctypes.byref(browseInfo))
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if not pidl:
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result = None
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else:
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path = LPCWSTR(" " * (MAX_PATH+1))
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shell32.SHGetPathFromIDListW(pidl, path)
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ole32.CoTaskMemFree(pidl)
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result = path.value
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return result
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