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Set wxVisualAttributes members as read-only (no setter) and make copies of the member objects in the getter

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Robin Dunn
2019-04-13 13:56:16 -07:00
parent 9823b387dd
commit f9cd6bdb3c
1 changed files with 23 additions and 0 deletions
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23
etg/window.py
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@@ -35,6 +35,29 @@ def run():
# Tweak the parsed meta objects in the module object as needed for
# customizing the generated code and docstrings.
c = module.find('wxVisualAttributes')
assert isinstance(c, etgtools.ClassDef)
# Mark the stucture memebers as read-only, and make copies of the values
# when fetching them. This is to protect against cases where the
# VisualAttributes object is transient and may be GC'd while we still are
# using a reference to a C++ member value.
c.find('colBg').noSetter = True
c.find('colBg').getCode = """\
wxColour* clr = new wxColour(sipCpp->colBg);
sipPy = wxPyConstructObject((void*)clr, "wxColour", true);
"""
c.find('colFg').noSetter = True
c.find('colFg').getCode = """\
wxColour* clr = new wxColour(sipCpp->colFg);
sipPy = wxPyConstructObject((void*)clr, "wxColour", true);
"""
c.find('font').noSetter = True
c.find('font').getCode = """\
wxFont* font = new wxFont(sipCpp->font);
sipPy = wxPyConstructObject((void*)font, "wxFont", true);
"""
c = module.find('wxWindow')
assert isinstance(c, etgtools.ClassDef)
module.addGlobalStr('wxPanelNameStr', c)