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pyobjc / Modules / AppKit / _AppKitMapping_NSGraphicsContext.m

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/*
 * NSGraphicsContext mappings for difficult methods:
 *
 * Unsupported:
 * -focusStack
 * -setFocusStack
 */
#include <Python.h>
#include <Foundation/Foundation.h>
#include "pyobjc-api.h"

#ifdef MACOSX

#include <ApplicationServices/ApplicationServices.h>

static PyObject*
call_NSGraphicsContext_graphicsPort(
    PyObject* method, PyObject* self, PyObject* arguments)
{
	PyObject* pyCoreGraphicsModule;
	PyObject* pyCGContextPtr;
	PyObject* sillySwigThing;
	CGContextRef res;
	char ptrString[9];
	struct objc_super super;
	PyObject* retVal;

	if (!PyArg_ParseTuple(arguments, "")) {
		return NULL;
	}

	if ((pyCoreGraphicsModule = PyImport_ImportModule("CoreGraphics")) == NULL ) {
		return 0;
	}
	pyCGContextPtr = PyObject_GetAttrString(pyCoreGraphicsModule, "CGContextPtr");
	Py_DECREF(pyCoreGraphicsModule);
	if (pyCGContextPtr == NULL) {
		return 0;
	}

	PyObjC_DURING
		PyObjC_InitSuper(&super,
		    PyObjCSelector_GetClass(method),
		    PyObjCObject_GetObject(self));

		res = (CGContextRef)objc_msgSendSuper(&super,
		    @selector(graphicsPort));
	PyObjC_HANDLER
		PyObjCErr_FromObjC(localException);
		res = NULL;
	PyObjC_ENDHANDLER

	if (res == NULL && PyErr_Occurred()) {
		Py_DECREF(pyCGContextPtr);
		return NULL;
	}

	sprintf(ptrString, "%08x", (unsigned int)res);
	sillySwigThing = PyString_FromFormat("_%s_CGContextRef", ptrString);
	retVal = PyObject_CallFunctionObjArgs(pyCGContextPtr, sillySwigThing, NULL);
	Py_DECREF(sillySwigThing);
	Py_DECREF(pyCGContextPtr);
	return retVal;
}
#endif

static int 
_pyobjc_install_NSGraphicsContext(void)
{
	if (PyObjC_RegisterMethodMapping(objc_lookUpClass("NSGraphicsContext"), 
		@selector(focusStack),
		PyObjCUnsupportedMethod_Caller,
		PyObjCUnsupportedMethod_IMP) < 0 ) {

		return -1;
	}

	if (PyObjC_RegisterMethodMapping(objc_lookUpClass("NSGraphicsContext"), 
		@selector(setFocusStack:),
		PyObjCUnsupportedMethod_Caller,
		PyObjCUnsupportedMethod_IMP) < 0 ) {

		return -1;
	}

#ifdef MACOSX
	if (PyObjC_RegisterMethodMapping(objc_lookUpClass("NSGraphicsContext"), 
		@selector(graphicsPort),
		call_NSGraphicsContext_graphicsPort,
		PyObjCUnsupportedMethod_IMP) < 0 ) {

		return -1;
	}
#else
	if (PyObjC_RegisterMethodMapping(objc_lookUpClass("NSGraphicsContext"), 
		@selector(graphicsPort),
		PyObjCUnsupportedMethod_Caller,
		PyObjCUnsupportedMethod_IMP) < 0 ) {

		return -1;
	}
#endif

	return 0;
}