def with_clipboard_lock(self,
success_callback,
failure_callback,
retries=RETRY,
delay=DELAY):
log("with_clipboard_lock%s",
(success_callback, failure_callback, retries, delay))
r = OpenClipboard(self.window)
if r:
log("OpenClipboard(%#x)=%s", self.window, r)
try:
r = success_callback()
log("%s()=%s", success_callback, r)
if r:
return
finally:
r = CloseClipboard()
log("CloseClipboard()=%s", r)
e = WinError(GetLastError())
owner = GetClipboardOwner()
log("OpenClipboard(%#x)=%s, current owner: %s", self.window, e,
get_owner_info(owner, self.window))
if retries <= 0:
failure_callback(
"OpenClipboard: too many failed attempts, giving up")
return
#try again later:
GLib.timeout_add(delay, self.with_clipboard_lock, success_callback,
failure_callback, retries - 1, delay + 5)
def got_clipboard_lock():
EmptyClipboard()
c = 0
for fmt, handle in image_formats.items():
log("do_set_clipboard_image: %s", format_name(fmt))
r = SetClipboardData(fmt, handle)
if not r:
e = WinError(GetLastError())
log("SetClipboardData(%s, %#x)=%s (%s)", format_name(fmt), handle, r, e)
else:
c += 1
return bool(c)
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 with_clipboard_lock(self, success_callback, failure_callback, retries=5, delay=5):
r = OpenClipboard(self.window)
log("OpenClipboard(%#x)=%s", self.window, r)
if r:
try:
success_callback()
return
finally:
CloseClipboard()
if GetLastError()!=ERROR_ACCESS_DENIED:
failure_callback("OpenClipboard: access denied")
return
log("clipboard lock: access denied")
if retries<=0:
failure_callback("OpenClipboard: too many failed attemps, giving up")
return
#try again later:
glib.timeout_add(delay, self.with_clipboard_lock,
success_callback, failure_callback, retries-1, delay)
def with_clipboard_lock(self,
success_callback,
failure_callback,
retries=5,
delay=5):
r = OpenClipboard(self.window)
if r:
log("OpenClipboard(%#x)=%s", self.window, r)
try:
success_callback()
return
finally:
CloseClipboard()
log("OpenClipboard(%#x)=%s, owner=%#x", self.window,
WinError(GetLastError()), GetClipboardOwner())
if retries <= 0:
failure_callback(
"OpenClipboard: too many failed attemps, giving up")
return
#try again later:
glib.timeout_add(delay, self.with_clipboard_lock, success_callback,
failure_callback, retries - 1, delay + 5)
