def set_clipboard_image(self, img_format, img_data):
image_formats = {}
if COMPRESSED_IMAGES:
#first save it as binary compressed data:
fmt_name = LPCSTR(img_format.upper().encode("latin1")+b"\0") #ie: "PNG"
fmt = RegisterClipboardFormatA(fmt_name)
if fmt:
buf = create_string_buffer(img_data)
pbuf = cast(byref(buf), c_void_p)
l = len(img_data)
data_handle = GlobalAlloc(GMEM_MOVEABLE, l)
if not data_handle:
log.error("Error: failed to allocate %i bytes of global memory", l)
return True
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 %i bytes of '%s' data", data, l, img_format)
try:
memmove(data, pbuf, l)
finally:
GlobalUnlock(data)
image_formats[fmt] = data_handle
#also convert it to a bitmap:
from PIL import Image
buf = BytesIO(img_data)
img = Image.open(buf)
if img.mode!="RGBA":
img = img.convert("RGBA")
rgb_data = img.tobytes("raw", "BGRA")
w, h = img.size
log("set_clipboard_image(%s, %s) image size=%s, BGR buffer=%i bytes",
img_format, ellipsizer(data), img.size, len(rgb_data))
header = BITMAPINFOHEADER()
memset(byref(header), 0, sizeof(BITMAPINFOHEADER ))
header.biSize = sizeof(BITMAPINFOHEADER)
header.biWidth = w
header.biHeight = -h
header.biPlanes = 1
header.biBitCount = 32
header.biCompression = BI_RGB
header.biSizeImage = 0
header.biXPelsPerMeter = 10
header.biYPelsPerMeter = 10
bitmapinfo = BITMAPINFO()
bitmapinfo.bmiColors = 0
memmove(byref(bitmapinfo.bmiHeader), byref(header), sizeof(BITMAPINFOHEADER))
rgb_buf = create_string_buffer(rgb_data)
pbuf = cast(byref(rgb_buf), c_void_p)
hdc = GetDC(None)
CBM_INIT = 4
bitmap = CreateDIBitmap(hdc, byref(header), CBM_INIT, pbuf, byref(bitmapinfo), win32con.DIB_RGB_COLORS)
ReleaseDC(None, hdc)
image_formats[win32con.CF_BITMAP] = bitmap
self.do_set_clipboard_image(image_formats)
def set_clipboard_text(self, text):
#convert to wide char
#get the length in wide chars:
if CONVERT_LINE_ENDINGS:
text = text.decode("utf8").replace("\n", "\r\n").encode("utf8")
wlen = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, text, len(text), None, 0)
if not wlen:
self.set_err("failed to prepare to convert to wide char")
return True
log("MultiByteToWideChar wlen=%i", wlen)
#allocate some memory for it:
l = (wlen+1)*2
buf = GlobalAlloc(GMEM_MOVEABLE, l)
if not buf:
self.set_err("failed to allocate %i bytes of global memory" % l)
return True
log("GlobalAlloc buf=%#x", buf)
locked = GlobalLock(buf)
if not locked:
self.set_err("failed to lock buffer %#x" % buf)
GlobalFree(buf)
return True
try:
locked_buf = cast(locked, LPWSTR)
r = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, text, len(text), locked_buf, wlen)
if not r:
self.set_err("failed to convert to wide char")
GlobalFree(buf)
return True
finally:
GlobalUnlock(locked)
#we're going to alter the clipboard ourselves,
#ignore messages until we're done:
self._block_owner_change = True
def cleanup():
GLib.idle_add(self.remove_block)
def set_clipboard_data():
r = EmptyClipboard()
log("EmptyClipboard()=%s", r)
if not r:
self.set_err("failed to empty the clipboard")
return False
r = SetClipboardData(win32con.CF_UNICODETEXT, buf)
if not r:
e = WinError(GetLastError())
log("SetClipboardData(CF_UNICODETEXT, %i chars)=%s (%s)", wlen, r, e)
return False
log("SetClipboardData(CF_UNICODETEXT, %i chars)=%s", wlen, r)
cleanup()
return True
def set_clipboard_error(error_text=""):
log("set_clipboard_error(%s)", error_text)
if error_text:
log.warn("Warning: failed to set clipboard data")
log.warn(" %s", error_text)
cleanup()
self.with_clipboard_lock(set_clipboard_data, set_clipboard_error)
def do_set_clipboard_text(self, text):
#convert to wide char
#get the length in wide chars:
wlen = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, text, len(text), None, 0)
if not wlen:
self.set_err("failed to prepare to convert to wide char")
return False
log("MultiByteToWideChar wlen=%i", wlen)
#allocate some memory for it:
l = (wlen+1)*2
buf = GlobalAlloc(GMEM_MOVEABLE, l)
if not buf:
self.set_err("failed to allocate %i bytes of global memory" % l)
return False
log("GlobalAlloc buf=%#x", buf)
locked = GlobalLock(buf)
if not locked:
self.set_err("failed to lock buffer %#x" % buf)
GlobalFree(buf)
return False
try:
locked_buf = cast(locked, LPWSTR)
r = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, text, len(text), locked_buf, wlen)
if not r:
self.set_err("failed to convert to wide char")
return False
finally:
GlobalUnlock(locked)
#we're going to alter the clipboard ourselves,
#ignore messages until we're done:
self._block_owner_change = True
#def empty_error():
# self.set_err("failed to empty the clipboard")
#self.with_clipboard_lock(EmptyClipboard, empty_error)
def cleanup():
GlobalFree(buf)
glib.idle_add(self.remove_block)
ret = [False]
def do_set_data():
if not EmptyClipboard():
self.set_err("failed to empty the clipboard")
if not SetClipboardData(win32con.CF_UNICODETEXT, buf):
#no need to warn here
#set_clipboard_text() will try again
return
log("SetClipboardData(..) done")
cleanup()
ret[0] = True
def set_error(error_text=""):
log.error("Error: failed to set clipboard data")
if error_text:
log.error(" %s", error_text)
cleanup()
self.with_clipboard_lock(do_set_data, set_error)
return ret[0]