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Implement Window methods to set large property values. #283

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Implement Window methods to set large property values. #283

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27 changes: 27 additions & 0 deletions Xlib/xobject/drawable.py
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Original file line number Diff line number Diff line change
Expand Up @@ -435,6 +435,25 @@ def change_property(self, property, property_type, format, data,
type = property_type,
data = (format, data))

def change_full_property(self, property, property_type, format, data, onerror = None):
maxlen = (self.display.info.max_request_length << 2) \
- request.ChangeProperty._request.static_size
mode = X.PropModeReplace
if maxlen >= len(data):
self.change_property(property, property_type, format,
data, mode, onerror)
else:
off = 0
self.display.grab_server()
try:
while off < len(data) - 1:
self.change_property(property, property_type, format,
data[off:off + maxlen], mode, onerror)
mode = X.PropModeAppend
off += maxlen
finally:
self.display.ungrab_server()

def change_text_property(self, property, property_type, data,
mode = X.PropModeReplace, onerror = None):
if not isinstance(data, bytes):
Expand All @@ -445,6 +464,14 @@ def change_text_property(self, property, property_type, data,
self.change_property(property, property_type, 8, data,
mode=mode, onerror=onerror)

def change_full_text_property(self, property, property_type, data, onerror = None):
if not isinstance(data, bytes):
if property_type == Xatom.STRING:
data = data.encode(self._STRING_ENCODING)
elif property_type == self.display.get_atom('UTF8_STRING'):
data = data.encode(self._UTF8_STRING_ENCODING)
self.change_property(property, property_type, 8, data, onerror=onerror)

def delete_property(self, property, onerror = None):
request.DeleteProperty(display = self.display,
onerror = onerror,
Expand Down