Carbon Event Manager module donated by Donovan Preston. Checked in as I...

Carbon Event Manager module donated by Donovan Preston. Checked in as I received them (except for namechange), these will not work as-is, that'll be fixed in a later checkin.

Mac/Modules/carbonevt/CarbonEvtscan.py

+# IBCarbonscan.py
+
+import sys
+import os
+import string
+import MacOS
+
+BGENDIR= '/Users/dsp/Documents/python/dist/src/Tools/bgen/bgen'
+sys.path.append(BGENDIR)
+
+from bgenlocations import TOOLBOXDIR
+
+from scantools import Scanner, Scanner_OSX
+
+def main():
+	print "---Scanning CarbonEvents.h---"
+	input = ["CarbonEvents.h"]
+	output = "CarbonEventsgen.py"
+	defsoutput = TOOLBOXDIR + "CarbonEvents.py"
+	scanner = CarbonEvents_Scanner(input, output, defsoutput)
+	scanner.scan()
+	scanner.close()
+	print "--done scanning, importing--"
+	import CarbonEventssupport
+	print "done"
+
+RefObjectTypes = ["EventRef", 
+				"EventQueueRef", 
+				"EventLoopRef",
+				"EventLoopTimerRef",
+				"EventHandlerRef",
+				"EventHandlerCallRef",
+				"EventTargetRef",
+				"EventHotKeyRef",
+				]
+
+class CarbonEvents_Scanner(Scanner):
+	def destination(self, type, name, arglist):
+		classname = "CarbonEventsFunction"
+		listname = "functions"
+		if arglist:
+			t, n, m = arglist[0]
+			print "*********", t,
+			if t in RefObjectTypes and m == "InMode":
+				print "method"
+				classname = "CarbonEventsMethod"
+				listname = t + "methods"
+			else:
+				print "not method"
+		return classname, listname
+
+	def makeblacklistnames(self):
+		return [
+			"MacCreateEvent",
+			"TrackMouseLocationWithOptions",
+			"TrackMouseLocation",
+			"TrackMouseRegion",
+			"RegisterToolboxObjectClass",
+			"UnregisterToolboxObjectClass",
+			"ProcessHICommand",
+			"GetCFRunLoopFromEventLoop",
+			
+			"InvokeEventHandlerUPP",
+			"InvokeEventComparatorUPP",
+			"InvokeEventLoopTimerUPP",
+
+			# Wrote by hand
+			"InstallEventHandler",
+			"RunApplicationEventLoop",
+						
+			# Write by hand?
+			"GetEventParameter",
+			"FlushSpecificEventsFromQueue",
+			"FindSpecificEventInQueue",
+			"InstallEventLoopTimer",
+
+			# Don't do these because they require a CFRelease
+			"CreateTypeStringWithOSType",
+			"CopyEvent",
+			]
+
+#	def makeblacklisttypes(self):
+#		return ["EventComparatorUPP",
+#				"EventLoopTimerUPP",
+#				#"EventHandlerUPP",
+#				"EventComparatorProcPtr",
+#				"EventLoopTimerProcPtr",
+#				"EventHandlerProcPtr",
+#				]
+if __name__ == "__main__":
+	main()

Mac/Modules/carbonevt/CarbonEvtsupport.py

+# IBCarbonsupport.py
+
+from macsupport import *
+
+from CarbonEventsscan 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, Even
+tRef 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&", EventHand
+lerCallRef_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, in
+itstuff)
+
+#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 CarbonEvent
+sscan.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 ObjectT
+ypes 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 obj
+ect
+	for m in methods: obj.add(m)	## add each method in the list to the o
+bject
+
+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 *)callbac
+k, &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 c
+allback) -> (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('_CarbonEvents.c')
+module.generate()
+
+import os
+os.system("python setup.py build")