Files
Phoenix/etg/_xrc.py
2020-06-26 22:35:51 -07:00

228 lines
8.1 KiB
Python

#---------------------------------------------------------------------------
# Name: etg/_xrc.py
# Author: Robin Dunn
#
# Created: 28-Nov-2012
# Copyright: (c) 2012-2020 by Total Control Software
# License: wxWindows License
#---------------------------------------------------------------------------
import etgtools
import etgtools.tweaker_tools as tools
from etgtools import ClassDef, MethodDef, ParamDef
PACKAGE = "wx"
MODULE = "_xrc"
NAME = "_xrc" # Base name of the file to generate to for this script
DOCSTRING = """\
The classes in this module enable loading widgets and layout from XML.
"""
# The classes and/or the basename of the Doxygen XML files to be processed by
# this script.
ITEMS = [ 'wxXmlResource',
'wxXmlResourceHandler',
]
# The list of other ETG scripts and back-end generator modules that are
# included as part of this module. These should all be items that are put in
# the wxWidgets "xrc" library in a multi-lib build.
INCLUDES = [ ]
# Separate the list into those that are generated from ETG scripts and the
# rest. These lists can be used from the build scripts to get a list of
# sources and/or additional dependencies when building this extension module.
ETGFILES = ['etg/%s.py' % NAME] + tools.getEtgFiles(INCLUDES)
DEPENDS = tools.getNonEtgFiles(INCLUDES)
OTHERDEPS = [ ]
#---------------------------------------------------------------------------
def run():
# Parse the XML file(s) building a collection of Extractor objects
module = etgtools.ModuleDef(PACKAGE, MODULE, NAME, DOCSTRING)
etgtools.parseDoxyXML(module, ITEMS)
module.check4unittest = False
#-----------------------------------------------------------------
# Tweak the parsed meta objects in the module object as needed for
# customizing the generated code and docstrings.
module.addHeaderCode('#include <wxPython/wxpy_api.h>')
module.addImport('_core')
module.addImport('_xml')
module.addPyCode('''\
import wx
ID_NONE = wx.ID_NONE # Needed for some parameter defaults in this module
''', order=10)
module.addInclude(INCLUDES)
module.addInitializerCode("""\
wxXmlInitResourceModule();
wxXmlResource::Get()->InitAllHandlers();
""")
module.addHeaderCode('#include <wx/animate.h>')
module.addHeaderCode('#include <wx/xrc/xmlres.h>')
module.addHeaderCode('#include <wx/fs_mem.h>')
module.addHeaderCode('#include "wxpybuffer.h"')
module.insertItem(0, etgtools.WigCode("""\
// forward declarations
class wxAnimation;
class wxAnimationCtrl;
"""))
#-----------------------------------------------------------------
c = module.find('wxXmlResource')
assert isinstance(c, etgtools.ClassDef)
c.addPrivateCopyCtor()
# Add a bit of code to the ctors to call InitAllHandlers(), for
# compatibility with Classic
for ctor in c.find('wxXmlResource').all():
template = """\
Py_BEGIN_ALLOW_THREADS
sipCpp = new sipwxXmlResource({args});
sipCpp->InitAllHandlers();
Py_END_ALLOW_THREADS
"""
if 'filemask' in ctor.argsString:
args = '*filemask,flags,*domain'
else:
args = 'flags,*domain'
ctor.setCppCode_sip(template.format(args=args))
c.addPublic()
c.addCppMethod('bool', 'LoadFromBuffer', '(wxPyBuffer* data)',
doc="Load the resource from a bytes string or other data buffer compatible object.",
#protection='public',
body="""\
static int s_memFileIdx = 0;
// Check for memory FS. If not present, load the handler:
wxMemoryFSHandler::AddFile(wxT("XRC_resource/dummy_file"),
wxT("dummy data"));
wxFileSystem fsys;
wxFSFile *f = fsys.OpenFile(wxT("memory:XRC_resource/dummy_file"));
wxMemoryFSHandler::RemoveFile(wxT("XRC_resource/dummy_file"));
if (f)
delete f;
else
wxFileSystem::AddHandler(new wxMemoryFSHandler);
// Now put the resource data into the memory FS
wxString filename(wxT("XRC_resource/data_string_"));
filename << s_memFileIdx;
s_memFileIdx += 1;
wxMemoryFSHandler::AddFile(filename, data->m_ptr, data->m_len);
// Load the "file" into the resource object
bool retval = self->Load(wxT("memory:") + filename );
return retval;
""")
c.addPyCode("XmlResource.LoadFromString = wx.deprecated(XmlResource.LoadFromBuffer, 'Use LoadFromBuffer instead')")
c.find('AddHandler.handler').transfer = True
c.find('InsertHandler.handler').transfer = True
c.find('Set.res').transfer = True
c.find('Set').transferBack = True
c.find('AddSubclassFactory.factory').transfer = True
#-----------------------------------------------------------------
c = module.find('wxXmlResourceHandler')
# un-ignore all the protected methods
for item in c.allItems():
if isinstance(item, etgtools.MethodDef):
item.ignore(False)
c.find('DoCreateResource').factory = True
# TODO: It looks like there may be a bug in wx here.
# Just ignore it for now.
c.find('GetFilePath').ignore()
c.find('GetAnimation.ctrl').type = 'wxAnimationCtrl *'
#-----------------------------------------------------------------
module.addPyFunction('EmptyXmlResource', '(flags=XRC_USE_LOCALE, domain="")',
deprecated="Use :class:`xrc.XmlResource` instead",
doc='A compatibility wrapper for the XmlResource(flags, domain) constructor',
body='return XmlResource(flags, domain)')
module.addPyFunction('XRCID', '(str_id, value_if_not_found=wx.ID_NONE)',
doc='Returns a numeric ID that is equivalent to the string ID used in an XML resource.',
body='return XmlResource.GetXRCID(str_id, value_if_not_found)')
module.addPyFunction('XRCCTRL', '(window, str_id, *ignoreargs)',
doc='Returns the child window associated with the string ID in an XML resource.',
body='return window.FindWindow(XRCID(str_id))')
cls = ClassDef(name='wxXmlSubclassFactory',
briefDoc="",
items=[
MethodDef(name='wxXmlSubclassFactory', isCtor=True),
MethodDef(name='~wxXmlSubclassFactory', isDtor=True),
MethodDef(name='Create', type='wxObject*',
isVirtual=True, isPureVirtual=True, factory=True,
items=[ParamDef(type='const wxString&', name='className')])
])
module.addItem(cls)
module.addPyCode("""\
# Create a factory for handling the subclass property of XRC's
# object tag. This factory will search for the specified
# package.module.class and will try to instantiate it for XRC's
# use. The class must support instantiation with no parameters and
# delayed creation of the UI widget (aka 2-phase create).
def _my_import(name):
try:
mod = __import__(name)
except ImportError:
import traceback
print(traceback.format_exc())
raise
components = name.split('.')
for comp in components[1:]:
mod = getattr(mod, comp)
return mod
class XmlSubclassFactory_Python(XmlSubclassFactory):
def __init__(self):
XmlSubclassFactory.__init__(self)
def Create(self, className):
assert className.find('.') != -1, "Module name must be specified!"
mname = className[:className.rfind('.')]
cname = className[className.rfind('.')+1:]
module = _my_import(mname)
klass = getattr(module, cname)
inst = klass()
return inst
XmlResource.AddSubclassFactory(XmlSubclassFactory_Python())
""")
#-----------------------------------------------------------------
tools.doCommonTweaks(module)
tools.runGenerators(module)
#---------------------------------------------------------------------------
if __name__ == '__main__':
run()