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Untriex Programming
334
.venv/lib/python3.9/site-packages/Xlib/ext/shape.py
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334
.venv/lib/python3.9/site-packages/Xlib/ext/shape.py
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# Xlib.ext.shape -- SHAPE extension module
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#
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# Copyright (C) 2002 Jeffrey Boser <verin@lvcm.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# Constants to use
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#
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# Regions of a window
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ShapeBounding = 0 # the 'edge' of a shaped window
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ShapeClip = 1 # the clipping region
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# Shape Operations
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ShapeSet = 0 # Set the region unmodified (dest=src)
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ShapeUnion = 1 # Add the new region to the old (dest=src|dest)
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ShapeIntersect = 2 # Use the intersection (dest=src&dest)
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ShapeSubtract = 3 # remove region (dest = dest - intersect)
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ShapeInvert = 4 # opposite of subtract (dest = src - intersect)
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# Events
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ShapeNotifyMask = (1<<0) #a keypress mask?
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ShapeNotify = 0 #still unsure of these values
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# How to Use
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# The basic functions that change the shapes of things are:
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# shape_rectangles (uses a set of rectangles as the source)
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# operation, region, ordering, rects
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# shape_mask (uses a bitmap as the source)
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# operation, region, x_offset, y_offset, bitmap
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# shape_combine (uses a window as the source)
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# operation, src_region, dest_region, x_offset, y_offset, src_window
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# shape_offset (moves the region)
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# region, x_offset, y_offset
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# The functions to find stuff out (these three return mappings of field/values):
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# shape_query_version (shape extension version)
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# major_version, minor_version
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# shape_query_extents (rectangle boundaries of a window's regions)
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# clip_shaped, clip_x, clip_y, clip_width, clip_height,
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# bounding_shaped, bounding_x, bounding_y, bounding_width, bounding_height
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# shape_input_selected (if the window products shapenotify events)
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# enabled
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# shape_get_rectangles (the rectangles set by shape_rectangles)
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# ordering, rects
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# And to turn on shape notify events:
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# shape_select_input
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# enable
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from Xlib import X
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from Xlib.protocol import rq, structs
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extname = 'SHAPE'
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class QueryVersion(rq.ReplyRequest):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(0),
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rq.RequestLength(),
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)
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_reply = rq.Struct(
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rq.ReplyCode(),
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rq.Pad(1),
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rq.Card16('sequence_number'),
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rq.ReplyLength(),
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rq.Card16('major_version'),
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rq.Card16('minor_version'),
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rq.Pad(20),
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)
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def query_version(self):
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return QueryVersion(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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)
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class Rectangles(rq.Request):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(1),
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rq.RequestLength(),
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rq.Card8('operation'),
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rq.Set('region', 1, (ShapeBounding, ShapeClip)),
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rq.Card8('ordering'),
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rq.Pad(1),
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rq.Window('window'),
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rq.Int16('x'),
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rq.Int16('y'),
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rq.List('rectangles', structs.Rectangle),
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)
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def rectangles(self, region, operation, ordering, x, y, rectangles):
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Rectangles(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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operation = operation,
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region = region,
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ordering = ordering,
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window = self.id,
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x = x,
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y = y,
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rectangles = rectangles,
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)
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class Mask(rq.Request):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(2),
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rq.RequestLength(),
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rq.Card8('operation'),
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rq.Set('region', 1, (ShapeBounding, ShapeClip)),
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rq.Pad(2),
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rq.Window('window'),
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rq.Int16('x'),
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rq.Int16('y'),
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rq.Pixmap('source', (X.NONE, )),
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)
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def mask(self, operation, region, x, y, source):
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Mask(display = self.display,
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opcode = self.display.get_extension_major(extname),
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window = self.id,
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operation = operation,
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region = region,
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x = x,
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y = y,
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source = source,
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)
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class Combine(rq.Request):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(3),
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rq.RequestLength(),
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rq.Card8('operation'),
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rq.Set('dest_region', 1, (ShapeBounding, ShapeClip)),
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rq.Set('source_region', 1, (ShapeBounding, ShapeClip)),
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rq.Pad(1),
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rq.Window('dest'),
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rq.Int16('x'),
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rq.Int16('y'),
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rq.Window('source'),
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)
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def combine(self, operation, region, source, source_region, x, y):
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Combine(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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operation = operation,
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dest_region = region,
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source_region = source_region,
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dest = self.id,
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x = x,
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y = y,
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source = source,
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)
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class Offset(rq.Request):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(4),
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rq.RequestLength(),
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rq.Set('region', 1, (ShapeBounding, ShapeClip)),
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rq.Pad(3),
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rq.Window('window'),
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rq.Int16('x'),
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rq.Int16('y'),
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)
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def offset(self, region, x, y):
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Offset(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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region = region,
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window = self.id,
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x = x,
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y = y,
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)
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class QueryExtents(rq.ReplyRequest):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(5),
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rq.RequestLength(),
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rq.Window('window'),
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)
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_reply = rq.Struct(
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rq.ReplyCode(),
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rq.Pad(1),
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rq.Card16('sequence_number'),
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rq.ReplyLength(),
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rq.Bool('bounding_shaped'),
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rq.Bool('clip_shaped'),
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rq.Pad(2),
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rq.Int16('bounding_x'),
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rq.Int16('bounding_y'),
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rq.Card16('bounding_width'),
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rq.Card16('bounding_height'),
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rq.Int16('clip_x'),
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rq.Int16('clip_y'),
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rq.Card16('clip_width'),
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rq.Card16('clip_height'),
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rq.Pad(4),
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)
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def query_extents(self):
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return QueryExtents(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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window = self.id,
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)
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class SelectInput(rq.Request):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(6),
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rq.RequestLength(),
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rq.Window('window'),
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rq.Bool('enable'),
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rq.Pad(3),
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)
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def select_input(self, enable = 1):
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SelectInput(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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window = self.id,
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enable = enable,
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)
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class InputSelected(rq.ReplyRequest):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(7),
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rq.RequestLength(),
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rq.Window('window'),
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)
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_reply = rq.Struct(
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rq.ReplyCode(),
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rq.Bool('enabled'),
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rq.Card16('sequence_number'),
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rq.ReplyLength(),
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rq.Pad(24),
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)
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def input_selected(self):
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reply = InputSelected(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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window = self.id,
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)
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return reply.enabled
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class GetRectangles(rq.ReplyRequest):
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_request = rq.Struct(
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rq.Card8('opcode'),
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rq.Opcode(8),
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rq.RequestLength(),
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rq.Window('window'),
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rq.Set('region', 1, (ShapeBounding, ShapeClip)),
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rq.Pad(3),
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)
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_reply = rq.Struct(
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rq.ReplyCode(),
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rq.Card8('ordering'),
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rq.Card16('sequence_number'),
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rq.ReplyLength(),
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rq.LengthOf('rectangles', 4),
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rq.Pad(20),
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rq.List('rectangles', structs.Rectangle),
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)
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def get_rectangles(self, region):
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return GetRectangles(
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display = self.display,
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opcode = self.display.get_extension_major(extname),
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window = self.id,
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region = region,
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)
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class ShapeNotify(rq.Event):
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_code = None
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_fields = rq.Struct( rq.Card8('type'),
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rq.Set('region', 1, (ShapeBounding, ShapeClip)),
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rq.Card16('sequence_number'),
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rq.Window('window'),
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rq.Int16('x'),
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rq.Int16('y'),
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rq.Card16('width'),
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rq.Card16('height'),
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rq.Card32('time'),
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rq.Bool('shaped'),
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rq.Pad(11),
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)
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def init(disp, info):
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disp.extension_add_method('display', 'shape_query_version', query_version )
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disp.extension_add_method('window', 'shape_rectangles', rectangles )
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disp.extension_add_method('window', 'shape_mask', mask )
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disp.extension_add_method('window', 'shape_combine', combine )
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disp.extension_add_method('window', 'shape_offset', offset )
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disp.extension_add_method('window', 'shape_query_extents', query_extents )
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disp.extension_add_method('window', 'shape_select_input', select_input )
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disp.extension_add_method('window', 'shape_input_selected', input_selected )
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disp.extension_add_method('window', 'shape_get_rectangles', get_rectangles )
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disp.extension_add_event(info.first_event, ShapeNotify)
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