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# IBCarbonsupport.py
from macsupport import *
from CarbonEvtscan import RefObjectTypes
# where should this go? macsupport.py?
CFStringRef = OpaqueByValueType('CFStringRef')
for typ in RefObjectTypes:
execstr = "%(name)s = OpaqueByValueType('%(name)s')" % {"name": typ}
exec execstr
# these types will have no methods and will merely be opaque blobs
# should write getattr and setattr for them?
StructObjectTypes = ["EventTypeSpec",
"HIPoint",
"HICommand",
"EventHotKeyID",
]
for typ in StructObjectTypes:
execstr = "%(name)s = OpaqueType('%(name)s')" % {"name": typ}
exec execstr
EventTypeSpec_ptr = OpaqueType("EventTypeSpec *", "EventTypeSpec")
# is this the right type for the void * in GetEventParameter
#void_ptr = FixedInputBufferType(1024)
void_ptr = stringptr
# here are some types that are really other types
EventTime = double
EventTimeout = EventTime
EventTimerInterval = EventTime
EventAttributes = UInt32
EventParamName = OSType
EventParamType = OSType
EventPriority = SInt16
EventMask = UInt16
EventComparatorUPP = FakeType("(EventComparatorUPP)0")
EventLoopTimerUPP = FakeType("(EventLoopTimerUPP)0")
EventHandlerUPP = FakeType("(EventHandlerUPP)0")
EventHandlerUPP = FakeType("(EventHandlerUPP)0")
EventComparatorProcPtr = FakeType("(EventComparatorProcPtr)0")
EventLoopTimerProcPtr = FakeType("(EventLoopTimerProcPtr)0")
EventHandlerProcPtr = FakeType("(EventHandlerProcPtr)0")
CarbonEventsFunction = OSErrFunctionGenerator
CarbonEventsMethod = OSErrMethodGenerator
includestuff = """
#include <Carbon/Carbon.h>
#include "macglue.h"
#define USE_MAC_MP_MULTITHREADING 1
#if USE_MAC_MP_MULTITHREADING
static PyThreadState *_save;
static MPCriticalRegionID reentrantLock;
#endif /* USE_MAC_MP_MULTITHREADING */
extern int CFStringRef_New(CFStringRef *);
extern int CFStringRef_Convert(PyObject *, CFStringRef *);
extern int CFBundleRef_Convert(PyObject *, CFBundleRef *);
int EventTargetRef_Convert(PyObject *, EventTargetRef *);
PyObject *EventHandlerCallRef_New(EventHandlerCallRef itself);
PyObject *EventRef_New(EventRef itself);
/********** EventTypeSpec *******/
static PyObject*
EventTypeSpec_New(EventTypeSpec *in)
{
return Py_BuildValue("ll", in->eventClass, in->eventKind);
}
static int
EventTypeSpec_Convert(PyObject *v, EventTypeSpec *out)
{
if (PyArg_ParseTuple(v, "ll", &(out->eventClass), &(out->eventKind)))
return 1;
return NULL;
}
/********** end EventTypeSpec *******/
/********** HIPoint *******/
static PyObject*
HIPoint_New(HIPoint *in)
{
return Py_BuildValue("ff", in->x, in->y);
}
static int
HIPoint_Convert(PyObject *v, HIPoint *out)
{
if (PyArg_ParseTuple(v, "ff", &(out->x), &(out->y)))
return 1;
return NULL;
}
/********** end HIPoint *******/
/********** EventHotKeyID *******/
static PyObject*
EventHotKeyID_New(EventHotKeyID *in)
{
return Py_BuildValue("ll", in->signature, in->id);
}
static int
EventHotKeyID_Convert(PyObject *v, EventHotKeyID *out)
{
if (PyArg_ParseTuple(v, "ll", &out->signature, &out->id))
return 1;
return NULL;
}
/********** end EventHotKeyID *******/
/******** handlecommand ***********/
pascal OSStatus CarbonEvents_HandleCommand(EventHandlerCallRef handlerRef, EventRef event, void *outPyObject) {
PyObject *retValue;
int status;
#if USE_MAC_MP_MULTITHREADING
MPEnterCriticalRegion(reentrantLock, kDurationForever);
PyEval_RestoreThread(_save);
#endif /* USE_MAC_MP_MULTITHREADING */
retValue = PyObject_CallFunction((PyObject *)outPyObject, "O&O&", EventHandlerCallRef_New, handlerRef, EventRef_New, event);
status = PyInt_AsLong(retValue);
#if USE_MAC_MP_MULTITHREADING
_save = PyEval_SaveThread();
MPExitCriticalRegion(reentrantLock);
#endif /* USE_MAC_MP_MULTITHREADING */
return status;
}
/******** end handlecommand ***********/
"""
module = MacModule('CarbonEvents', 'CarbonEvents', includestuff, finalstuff, initstuff)
#class CFReleaserObj(GlobalObjectDefinition):
# def outputFreeIt(self, name):
# Output("CFRelease(%s);" % name)
for typ in RefObjectTypes:
execstr = typ + 'object = GlobalObjectDefinition(typ)'
exec execstr
module.addobject(eval(typ + 'object'))
functions = []
for typ in RefObjectTypes: ## go thru all ObjectTypes as defined in CarbonEventsscan.py
# initialize the lists for carbongen to fill
execstr = typ + 'methods = []'
exec execstr
execfile('CarbonEventsgen.py')
for f in functions: module.add(f) # add all the functions carboneventsgen put in the list
for typ in RefObjectTypes: ## go thru all ObjectTypes as defined in CarbonEventsscan.py
methods = eval(typ + 'methods') ## get a reference to the method list from the main namespace
obj = eval(typ + 'object') ## get a reference to the object
for m in methods: obj.add(m) ## add each method in the list to the object
installeventhandler = """
EventTypeSpec inSpec;
PyObject *callback;
EventHandlerRef outRef;
OSStatus _err;
EventHandlerUPP event;
if (!PyArg_ParseTuple(_args, "O&O", EventTypeSpec_Convert, &inSpec, &callback))
return NULL;
event = NewEventHandlerUPP(CarbonEvents_HandleCommand);
_err = InstallEventHandler(_self->ob_itself, event, 1, &inSpec, (void *)callback, &outRef);
if (_err != noErr) return PyMac_Error(_err);
return Py_BuildValue("l", outRef);
"""
f = ManualGenerator("InstallEventHandler", installeventhandler);
f.docstring = lambda: "(EventTargetRef inTarget, EventTypeSpec inSpec, Method callback) -> (EventHandlerRef outRef)"
EventTargetRefobject.add(f)
runappeventloop = """
#if USE_MAC_MP_MULTITHREADING
if (MPCreateCriticalRegion(&reentrantLock) != noErr) {
printf("lock failure\n");
return NULL;
}
_save = PyEval_SaveThread();
#endif /* USE_MAC_MP_MULTITHREADING */
RunApplicationEventLoop();
#if USE_MAC_MP_MULTITHREADING
PyEval_RestoreThread(_save);
MPDeleteCriticalRegion(reentrantLock);
#endif /* USE_MAC_MP_MULTITHREADING */
Py_INCREF(Py_None);
return Py_None;
"""
f = ManualGenerator("RunApplicationEventLoop", runappeventloop);
f.docstring = lambda: "() -> ()"
module.add(f)
SetOutputFileName('_CarbonEvt.c')
module.generate()
##import os
##os.system("python setup.py build")
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