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114 lines
3.9 KiB
Python
114 lines
3.9 KiB
Python
#---------------------------------------------------------------------------
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# Name: etg/region.py
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# Author: Robin Dunn
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#
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# Created: 30-Nov-2010
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# Copyright: (c) 2010-2020 by Total Control Software
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# License: wxWindows License
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#---------------------------------------------------------------------------
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import etgtools
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import etgtools.tweaker_tools as tools
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PACKAGE = "wx"
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MODULE = "_core"
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NAME = "region" # Base name of the file to generate to for this script
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DOCSTRING = ""
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# The classes and/or the basename of the Doxygen XML files to be processed by
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# this script.
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ITEMS = [ 'wxRegionIterator',
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'wxRegion'
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]
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#---------------------------------------------------------------------------
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def run():
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# Parse the XML file(s) building a collection of Extractor objects
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module = etgtools.ModuleDef(PACKAGE, MODULE, NAME, DOCSTRING)
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etgtools.parseDoxyXML(module, ITEMS)
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#-----------------------------------------------------------------
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# Tweak the parsed meta objects in the module object as needed for
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# customizing the generated code and docstrings.
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c = module.find('wxRegion')
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assert isinstance(c, etgtools.ClassDef)
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tools.removeVirtuals(c)
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c.mustHaveApp()
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# Replace one of the constructors with one having a more python-friendly API
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c.find('wxRegion').findOverload('points').ignore()
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c.addCppCode(tools.ObjArrayHelperTemplate('wxPoint', 'sipType_wxPoint',
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"Expected a sequence of length-2 sequences or wx.Point objects."))
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c.addCppCtor_sip('(PyObject* points, wxPolygonFillMode fillStyle = wxODDEVEN_RULE)',
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doc="""\
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Constructs a region corresponding to the polygon made from the points
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in the provided sequence.""",
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body="""\
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size_t count;
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wxPoint* array = wxPoint_array_helper(points, &count);
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if ( array != NULL ) {
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sipCpp = new wxRegion(count, array, fillStyle);
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delete [] array;
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}
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if (PyErr_Occurred()) sipIsErr = 1;
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""")
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c.find('GetBox').findOverload('wxCoord').ignore()
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# Iterator stuff
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c.addPyMethod('__iter__', '(self)', 'return PyRegionIterator(self)',
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"""\
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Returns a rectangle iterator conforming to the Python iterator
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protocol.""")
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c.addPyCode("""\
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class PyRegionIterator(object):
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"A Python iterator for wx.Region objects"
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def __init__(self, region):
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self._region = region
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self._iterator = wx.RegionIterator(region)
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def next(self):
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if not self._iterator:
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raise StopIteration
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rect = self._iterator.GetRect()
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if self._iterator.HaveRects():
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self._iterator.Next()
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return rect
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__next__ = next # for Python 3
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""")
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c = module.find('wxRegionIterator')
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c.mustHaveApp()
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c.find('operator++').ignore()
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c.find('operator bool').ignore()
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c.addCppMethod('int', '__nonzero__', '()', 'return (int)self->operator bool();',
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'Returns true while there are still rectangles available in the iteration.')
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c.addCppMethod('int', '__bool__', '()', 'return (int)self->operator bool();',
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'Returns true while there are still rectangles available in the iteration.')
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c.addCppMethod('void', 'Next', '()', 'self->operator++();',
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'Move the iterator to the next rectangle in the region.')
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# This is defined in the docs, but not in any of the real headers!
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module.find('wxNullRegion').ignore()
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#-----------------------------------------------------------------
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tools.doCommonTweaks(module)
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tools.runGenerators(module)
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#---------------------------------------------------------------------------
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if __name__ == '__main__':
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run()
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