コード例 #1
0
ファイル: clipboard.py プロジェクト: frostbane/xpra
 def get_text():
     formats = get_clipboard_formats()
     matching = []
     for u in (utf8, not utf8):
         if u:
             fmts = [win32con.CF_UNICODETEXT]
         else:
             fmts = [win32con.CF_TEXT, win32con.CF_OEMTEXT]
         matching += [fmt for fmt in formats if fmt in fmts]
     log("supported formats: %s (prefer utf8: %s)",
         csv(format_names(matching)), utf8)
     if not matching:
         log("no supported formats, only: %s",
             csv(format_names(formats)))
         errback()
         return True
     data_handle = None
     fmt = None
     for fmt in matching:
         data_handle = GetClipboardData(fmt)
         log("GetClipboardData(%s)=%#x", format_name(fmt), data_handle
             or 0)
         if data_handle:
             break
     if not data_handle:
         log("no valid data handle using %s (may try again)",
             csv(format_names(matching)))
         return False
     data = GlobalLock(data_handle)
     if not data:
         log("failed to lock data handle %#x (may try again)",
             data_handle)
         return False
     log("got data handle lock %#x for format '%s'", data,
         format_name(fmt))
     try:
         if fmt == win32con.CF_UNICODETEXT:
             try:
                 v = w_to_utf8(data)
             except Exception as e:
                 log("w_to_utf8(..)", exc_info=True)
                 errback(str(e))
                 return True
             callback(v)
             return True
         #CF_TEXT or CF_OEMTEXT:
         astr = cast(data, LPCSTR)
         s = astr.value.decode("latin1")
         if CONVERT_LINE_ENDINGS:
             s = s.replace("\r\n", "\n")
         b = s.encode("latin1")
         ulen = len(b)
         if ulen > MAX_CLIPBOARD_PACKET_SIZE:
             errback("text data is too large: %i characters" % ulen)
             return True
         log("got %i bytes of TEXT data: %s", len(b), ellipsizer(b))
         callback(b)
         return True
     finally:
         GlobalUnlock(data)
コード例 #2
0
ファイル: clipboard.py プロジェクト: wangluo2028/StoneSpider
 def get_text():
     data_handle = GetClipboardData(win32con.CF_UNICODETEXT)
     if not data_handle:
         errback("no data handle")
         return
     data = GlobalLock(data_handle)
     if not data:
         errback("failed to lock handle")
         return
     try:
         wstr = cast(data, LPCWSTR)
         ulen = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, None, 0, None, None)
         if ulen>MAX_CLIPBOARD_PACKET_SIZE:
             errback("too much data")
             return
         buf = create_string_buffer(ulen)
         l = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, byref(buf), ulen, None, None)
         if l>0:
             if buf.raw[l-1:l]==b"\0":
                 s = buf.raw[:l-1]
             else:
                 s = buf.raw[:l]
             log("got %i bytes of data: %s", len(s), repr_ellipsized(str(s)))
             callback(strtobytes(s))
         else:
             errback("failed to convert to UTF8: %s" % FormatError(get_last_error()))
     finally:
         GlobalUnlock(data)
コード例 #3
0
 def get_text():
     formats = []
     fmt = 0
     while True:
         fmt = EnumClipboardFormats(fmt)
         if fmt:
             formats.append(fmt)
         else:
             break
     log("clipboard formats: %s", csv(format_name(x) for x in formats))
     matching = []
     for u in (utf8, not utf8):
         if u:
             fmts = [win32con.CF_UNICODETEXT]
         else:
             fmts = [win32con.CF_TEXT, win32con.CF_OEMTEXT]
         matching += [fmt for fmt in formats if fmt in fmts]
     log("supported formats: %s (prefer utf8: %s)",
         csv(format_name(x) for x in matching), utf8)
     if not matching:
         log("no supported formats, only: %s",
             csv(format_name(x) for x in formats))
         errback()
         return True
     data_handle = None
     for fmt in matching:
         data_handle = GetClipboardData(fmt)
         log("GetClipboardData(%s)=%#x", format_name(fmt), data_handle
             or 0)
         if data_handle:
             break
     if not data_handle:
         log("no valid data handle using %s (may try again)",
             csv(format_name(x) for x in matching))
         return False
     data = GlobalLock(data_handle)
     if not data:
         log("failed to lock data handle %#x (may try again)",
             data_handle)
         return False
     log("got data handle lock %#x for format '%s'", data,
         format_name(fmt))
     try:
         if fmt == win32con.CF_UNICODETEXT:
             wstr = cast(data, LPCWSTR)
             ulen = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, None, 0,
                                        None, None)
             if ulen > MAX_CLIPBOARD_PACKET_SIZE:
                 errback("unicode data is too large: %i bytes" % ulen)
                 return True
             buf = create_string_buffer(ulen)
             l = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, byref(buf),
                                     ulen, None, None)
             if l == 0:
                 errback("failed to convert to UTF8: %s" %
                         FormatError(get_last_error()))
                 return True
             if buf.raw[l - 1:l] == b"\0":
                 s = buf.raw[:l - 1]
             else:
                 s = buf.raw[:l]
             log("got %i bytes of UNICODE data: %s", len(s),
                 ellipsizer(s))
             if CONVERT_LINE_ENDINGS:
                 v = s.decode("utf8").replace("\r\n",
                                              "\n").encode("utf8")
             else:
                 v = strtobytes(s)
             callback(v)
             return True
         #CF_TEXT or CF_OEMTEXT:
         astr = cast(data, LPCSTR)
         s = astr.value.decode("latin1")
         if CONVERT_LINE_ENDINGS:
             s = s.replace("\r\n", "\n")
         b = s.encode("latin1")
         ulen = len(b)
         if ulen > MAX_CLIPBOARD_PACKET_SIZE:
             errback("text data is too large: %i characters" % ulen)
             return True
         log("got %i bytes of TEXT data: %s", len(b), ellipsizer(b))
         callback(b)
         return True
     finally:
         GlobalUnlock(data)
コード例 #4
0
ファイル: clipboard.py プロジェクト: frostbane/xpra
        def got_clipboard_lock():
            if COMPRESSED_IMAGES:
                fmt_name = LPCSTR(img_format.upper().encode("latin1") +
                                  b"\0")  #ie: "PNG"
                fmt = RegisterClipboardFormatA(fmt_name)
                if fmt:
                    data_handle = GetClipboardData(fmt)
                    if data_handle:
                        size = GlobalSize(data_handle)
                        data = GlobalLock(data_handle)
                        log("GetClipboardData(%s)=%#x size=%s, data=%#x",
                            img_format.upper(), data_handle, size, data)
                        if data and size:
                            try:
                                cdata = (c_char * size).from_address(data)
                            finally:
                                GlobalUnlock(data)
                            got_image(bytes(cdata), False)
                            return True

            data_handle = GetClipboardData(win32con.CF_DIBV5)
            log("CF_BITMAP=%s", data_handle)
            data = GlobalLock(data_handle)
            if not data:
                log("failed to lock data handle %#x (may try again)",
                    data_handle)
                return False
            try:
                header = cast(data, PBITMAPV5HEADER).contents
                offset = header.bV5Size + header.bV5ClrUsed * 4
                w, h = header.bV5Width, abs(header.bV5Height)
                bits = header.bV5BitCount
                log(
                    "offset=%s, width=%i, height=%i, compression=%s", offset,
                    w, h,
                    BI_FORMATS.get(header.bV5Compression,
                                   header.bV5Compression))
                log("planes=%i, bitcount=%i", header.bV5Planes, bits)
                log("colorspace=%s",
                    COLOR_PROFILES.get(header.bV5CSType, header.bV5CSType))
                #if header.bV5Compression in (BI_JPEG, BI_PNG):
                #    pass
                if header.bV5Compression != BI_RGB:
                    errback(
                        "cannot handle %s compression yet" % BI_FORMATS.get(
                            header.bV5Compression, header.bV5Compression))
                    return True
                if bits == 24:
                    save_format = "RGB"
                    rgb_format = "BGR"
                    stride = roundup(w * 3, 4)
                elif bits == 32:
                    save_format = "RGBA"
                    rgb_format = "BGRA"
                    stride = w * 4
                else:
                    errback(
                        "cannot handle image data with %i bits per pixel yet" %
                        bits)
                    return True
                img_size = stride * h
                rgb_data = (c_char * img_size).from_address(data + offset)
                from PIL import Image, ImageOps
                img = Image.frombytes(save_format, (w, h), rgb_data, "raw",
                                      rgb_format, stride, 1)
                if header.bV5Height > 0:
                    img = ImageOps.flip(img)
                buf = BytesIO()
                img.save(buf, format=save_format)
                data = buf.getvalue()
                buf.close()
                got_image(data, True)
                return True
            finally:
                GlobalUnlock(data)