<reponame>1byte2bytes/cpython<filename>Mac/Modules/ctl/ctlsupport.py
# This script generates a Python interface for an Apple Macintosh Manager.
# It uses the "bgen" package to generate C code.
# The function specifications are generated by scanning the mamager's header file,
# using the "scantools" package (customized for this particular manager).

import string

# Declarations that change for each manager
MACHEADERFILE = 'Controls.h'		# The Apple header file
MODNAME = 'Ctl'				# The name of the module
OBJECTNAME = 'Control'			# The basic name of the objects used here

# The following is *usually* unchanged but may still require tuning
MODPREFIX = MODNAME			# The prefix for module-wide routines
OBJECTTYPE = OBJECTNAME + 'Handle'	# The C type used to represent them
OBJECTPREFIX = MODPREFIX + 'Obj'	# The prefix for object methods
INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
OUTPUTFILE = MODNAME + "module.c"	# The file generated by this program

from macsupport import *

# Create the type objects

ControlHandle = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
ControlRef = ControlHandle
ExistingControlHandle = OpaqueByValueType(OBJECTTYPE, "CtlObj_WhichControl", "BUG")

RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
CCTabHandle = OpaqueByValueType("CCTabHandle", "ResObj")
AuxCtlHandle = OpaqueByValueType("AuxCtlHandle", "ResObj")
ControlPartCode = Type("ControlPartCode", "h")
DragConstraint = Type("DragConstraint", "h")
ControlVariant = Type("ControlVariant", "h")
IconTransformType = Type("IconTransformType", "h")
ControlButtonGraphicAlignment = Type("ControlButtonGraphicAlignment", "h")
ControlButtonTextAlignment = Type("ControlButtonTextAlignment", "h")
ControlButtonTextPlacement = Type("ControlButtonTextPlacement", "h")
ControlContentType = Type("ControlContentType", "h")
ControlFocusPart = Type("ControlFocusPart", "h")

ControlFontStyleRec = OpaqueType('ControlFontStyleRec', 'ControlFontStyle')
ControlFontStyleRec_ptr = ControlFontStyleRec

includestuff = includestuff + """
#include <%s>""" % MACHEADERFILE + """

#define as_Control(h) ((ControlHandle)h)

#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */

extern PyObject *CtlObj_WhichControl(ControlHandle); /* Forward */
extern PyObject *QdRGB_New(RGBColorPtr);
extern QdRGB_Convert(PyObject *, RGBColorPtr);

#ifdef THINK_C
#define  ControlActionUPP ProcPtr
#endif

/*
** Parse/generate ControlFontStyleRec records
*/
#if 0 /* Not needed */
PyObject *ControlFontStyle_New(itself)
	ControlFontStyleRec *itself;
{

	return Py_BuildValue("hhhhhhO&O&", itself->flags, itself->font,
		itself->size, itself->style, itself->mode, itself->just,
		QdRGB_New, &itself->foreColor, QdRGB_New, &itself->backColor);
}
#endif

ControlFontStyle_Convert(v, itself)
	PyObject *v;
	ControlFontStyleRec *itself;
{
	return PyArg_ParseTuple(v, "hhhhhhO&O&", &itself->flags,
		&itself->font, &itself->size, &itself->style, &itself->mode, 
		&itself->just, QdRGB_Convert, &itself->foreColor, 
		QdRGB_Convert, &itself->backColor);
}

/* TrackControl callback support */
static PyObject *tracker;
static ControlActionUPP mytracker_upp;

extern int settrackfunc(PyObject *); 	/* forward */
extern void clrtrackfunc(void);	/* forward */
"""

finalstuff = finalstuff + """
PyObject *CtlObj_NewUnmanaged(itself)
	ControlHandle itself;
{
	ControlObject *it;
	if (itself == NULL) return PyMac_Error(resNotFound);
	it = PyObject_NEW(ControlObject, &Control_Type);
	if (it == NULL) return NULL;
	it->ob_itself = itself;
	return (PyObject *)it;
}

PyObject *
CtlObj_WhichControl(ControlHandle c)
{
	PyObject *it;
	
	if (c == NULL)
		it = Py_None;
	else {
		it = (PyObject *) GetControlReference(c);
		/*
		** If the refcon is zero or doesn't point back to the Python object
		** the control is not ours. Return a temporary object.
		*/
		if (it == NULL || ((ControlObject *)it)->ob_itself != c)
			return CtlObj_NewUnmanaged(c);
	}
	Py_INCREF(it);
	return it;
}

static int
settrackfunc(obj)
	PyObject *obj;
{
	if (tracker) {
		PyErr_SetString(Ctl_Error, "Tracker function in use");
		return 0;
	}
	tracker = obj;
	Py_INCREF(tracker);
}

static void
clrtrackfunc()
{
	Py_XDECREF(tracker);
	tracker = 0;
}

static pascal void
mytracker(ctl, part)
	ControlHandle ctl;
	short part;
{
	PyObject *args, *rv=0;
	
	args = Py_BuildValue("(O&i)", CtlObj_WhichControl, ctl, (int)part);
	if (args && tracker) {
		rv = PyEval_CallObject(tracker, args);
		Py_DECREF(args);
	}
	if (rv)
		Py_DECREF(rv);
	else
		PySys_WriteStderr("TrackControl: exception in tracker function\\n");
}
"""

initstuff = initstuff + """
mytracker_upp = NewControlActionProc(mytracker);
"""

class MyObjectDefinition(ObjectIdentityMixin, GlobalObjectDefinition):
	def outputCheckNewArg(self):
		Output("if (itself == NULL) return PyMac_Error(resNotFound);")
	def outputInitStructMembers(self):
		GlobalObjectDefinition.outputInitStructMembers(self)
		Output("SetControlReference(itself, (long)it);")
	def outputCleanupStructMembers(self):
		Output("if (self->ob_itself) SetControlReference(self->ob_itself, (long)0); /* Make it forget about us */")
		
# Create the generator groups and link them
module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
module.addobject(object)

# Create the generator classes used to populate the lists
Function = OSErrFunctionGenerator
Method = OSErrMethodGenerator

# Create and populate the lists
functions = []
methods = []
execfile(INPUTFILE)
execfile('ctledit.py')

# add the populated lists to the generator groups
for f in functions: module.add(f)
for f in methods: object.add(f)

# Manual generator for TrackControl, due to callback ideosyncracies
trackcontrol_body = """
ControlPartCode _rv;
Point startPoint;
ControlActionUPP upp = 0;
PyObject *callback = 0;

if (!PyArg_ParseTuple(_args, "O&|O",
                      PyMac_GetPoint, &startPoint, &callback))
	return NULL;
if (callback && callback != Py_None) {
	if (PyInt_Check(callback) && PyInt_AS_LONG(callback) == -1)
		upp = (ControlActionUPP)-1;
	else {
		settrackfunc(callback);
		upp = mytracker_upp;
	}
}
_rv = TrackControl(_self->ob_itself,
                   startPoint,
                   upp);
clrtrackfunc();
_res = Py_BuildValue("h",
                     _rv);
return _res;
"""

f = ManualGenerator("TrackControl", trackcontrol_body);
#f.docstring = "(Point startPoint [,trackercallback]) -> (ControlPartCode _rv)"
object.add(f)

# And manual generators to get/set popup menu information
getpopupdata_body = """
PopupPrivateDataHandle hdl;

if ( (*_self->ob_itself)->contrlData == NULL ) {
	PyErr_SetString(Ctl_Error, "No contrlData handle in control");
	return 0;
}
hdl = (PopupPrivateDataHandle)(*_self->ob_itself)->contrlData;
HLock((Handle)hdl);
_res = Py_BuildValue("O&i", MenuObj_New, (*hdl)->mHandle, (int)(*hdl)->mID);
HUnlock((Handle)hdl);
return _res;
"""
f = ManualGenerator("GetPopupData", getpopupdata_body)
object.add(f)

setpopupdata_body = """
PopupPrivateDataHandle hdl;
MenuHandle mHandle;
short mID;

if (!PyArg_ParseTuple(_args, "O&h", MenuObj_Convert, &mHandle, &mID) )
	return 0;
if ( (*_self->ob_itself)->contrlData == NULL ) {
	PyErr_SetString(Ctl_Error, "No contrlData handle in control");
	return 0;
}
hdl = (PopupPrivateDataHandle)(*_self->ob_itself)->contrlData;
(*hdl)->mHandle = mHandle;
(*hdl)->mID = mID;
Py_INCREF(Py_None);
return Py_None;
"""
f = ManualGenerator("SetPopupData", setpopupdata_body)
object.add(f)


# generate output (open the output file as late as possible)
SetOutputFileName(OUTPUTFILE)
module.generate()

# This script generates a Python interface for an Apple Macintosh Manager.
# It uses the "bgen" package to generate C code.
# The function specifications are generated by scanning the mamager's header file,
# using the "scantools" package (customized for this particular manager).

import string

# Declarations that change for each manager
MACHEADERFILE = 'Controls.h'		# The Apple header file
MODNAME = 'Ctl'				# The name of the module
OBJECTNAME = 'Control'			# The basic name of the objects used here

# The following is *usually* unchanged but may still require tuning
MODPREFIX = MODNAME			# The prefix for module-wide routines
OBJECTTYPE = OBJECTNAME + 'Handle'	# The C type used to represent them
OBJECTPREFIX = MODPREFIX + 'Obj'	# The prefix for object methods
INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
OUTPUTFILE = MODNAME + "module.c"	# The file generated by this program

from macsupport import *

# Create the type objects

ControlHandle = OpaqueByValueType(OBJECTTYPE, OBJECTPREFIX)
ControlRef = ControlHandle
ExistingControlHandle = OpaqueByValueType(OBJECTTYPE, "CtlObj_WhichControl", "BUG")

RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
CCTabHandle = OpaqueByValueType("CCTabHandle", "ResObj")
AuxCtlHandle = OpaqueByValueType("AuxCtlHandle", "ResObj")
ControlPartCode = Type("ControlPartCode", "h")
DragConstraint = Type("DragConstraint", "h")
ControlVariant = Type("ControlVariant", "h")
IconTransformType = Type("IconTransformType", "h")
ControlButtonGraphicAlignment = Type("ControlButtonGraphicAlignment", "h")
ControlButtonTextAlignment = Type("ControlButtonTextAlignment", "h")
ControlButtonTextPlacement = Type("ControlButtonTextPlacement", "h")
ControlContentType = Type("ControlContentType", "h")
ControlFocusPart = Type("ControlFocusPart", "h")

ControlFontStyleRec = OpaqueType('ControlFontStyleRec', 'ControlFontStyle')
ControlFontStyleRec_ptr = ControlFontStyleRec

includestuff = includestuff + """
#include <%s>""" % MACHEADERFILE + """

#define as_Control(h) ((ControlHandle)h)

#define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */

extern PyObject *CtlObj_WhichControl(ControlHandle); /* Forward */
extern PyObject *QdRGB_New(RGBColorPtr);
extern QdRGB_Convert(PyObject *, RGBColorPtr);

#ifdef THINK_C
#define  ControlActionUPP ProcPtr
#endif

/*
** Parse/generate ControlFontStyleRec records
*/
#if 0 /* Not needed */
PyObject *ControlFontStyle_New(itself)
	ControlFontStyleRec *itself;
{

	return Py_BuildValue("hhhhhhO&O&", itself->flags, itself->font,
		itself->size, itself->style, itself->mode, itself->just,
		QdRGB_New, &itself->foreColor, QdRGB_New, &itself->backColor);
}
#endif

ControlFontStyle_Convert(v, itself)
	PyObject *v;
	ControlFontStyleRec *itself;
{
	return PyArg_ParseTuple(v, "hhhhhhO&O&", &itself->flags,
		&itself->font, &itself->size, &itself->style, &itself->mode, 
		&itself->just, QdRGB_Convert, &itself->foreColor, 
		QdRGB_Convert, &itself->backColor);
}

/* TrackControl callback support */
static PyObject *tracker;
static ControlActionUPP mytracker_upp;

extern int settrackfunc(PyObject *); 	/* forward */
extern void clrtrackfunc(void);	/* forward */
"""

finalstuff = finalstuff + """
PyObject *CtlObj_NewUnmanaged(itself)
	ControlHandle itself;
{
	ControlObject *it;
	if (itself == NULL) return PyMac_Error(resNotFound);
	it = PyObject_NEW(ControlObject, &Control_Type);
	if (it == NULL) return NULL;
	it->ob_itself = itself;
	return (PyObject *)it;
}

PyObject *
CtlObj_WhichControl(ControlHandle c)
{
	PyObject *it;
	
	if (c == NULL)
		it = Py_None;
	else {
		it = (PyObject *) GetControlReference(c);
		/*
		** If the refcon is zero or doesn't point back to the Python object
		** the control is not ours. Return a temporary object.
		*/
		if (it == NULL || ((ControlObject *)it)->ob_itself != c)
			return CtlObj_NewUnmanaged(c);
	}
	Py_INCREF(it);
	return it;
}

static int
settrackfunc(obj)
	PyObject *obj;
{
	if (tracker) {
		PyErr_SetString(Ctl_Error, "Tracker function in use");
		return 0;
	}
	tracker = obj;
	Py_INCREF(tracker);
}

static void
clrtrackfunc()
{
	Py_XDECREF(tracker);
	tracker = 0;
}

static pascal void
mytracker(ctl, part)
	ControlHandle ctl;
	short part;
{
	PyObject *args, *rv=0;
	
	args = Py_BuildValue("(O&i)", CtlObj_WhichControl, ctl, (int)part);
	if (args && tracker) {
		rv = PyEval_CallObject(tracker, args);
		Py_DECREF(args);
	}
	if (rv)
		Py_DECREF(rv);
	else
		PySys_WriteStderr("TrackControl: exception in tracker function\\n");
}
"""

initstuff = initstuff + """
mytracker_upp = NewControlActionProc(mytracker);
"""

class MyObjectDefinition(ObjectIdentityMixin, GlobalObjectDefinition):
	def outputCheckNewArg(self):
		Output("if (itself == NULL) return PyMac_Error(resNotFound);")
	def outputInitStructMembers(self):
		GlobalObjectDefinition.outputInitStructMembers(self)
		Output("SetControlReference(itself, (long)it);")
	def outputCleanupStructMembers(self):
		Output("if (self->ob_itself) SetControlReference(self->ob_itself, (long)0); /* Make it forget about us */")
		
# Create the generator groups and link them
module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
module.addobject(object)

# Create the generator classes used to populate the lists
Function = OSErrFunctionGenerator
Method = OSErrMethodGenerator

# Create and populate the lists
functions = []
methods = []
execfile(INPUTFILE)
execfile('ctledit.py')

# add the populated lists to the generator groups
for f in functions: module.add(f)
for f in methods: object.add(f)

# Manual generator for TrackControl, due to callback ideosyncracies
trackcontrol_body = """
ControlPartCode _rv;
Point startPoint;
ControlActionUPP upp = 0;
PyObject *callback = 0;

if (!PyArg_ParseTuple(_args, "O&|O",
                      PyMac_GetPoint, &startPoint, &callback))
	return NULL;
if (callback && callback != Py_None) {
	if (PyInt_Check(callback) && PyInt_AS_LONG(callback) == -1)
		upp = (ControlActionUPP)-1;
	else {
		settrackfunc(callback);
		upp = mytracker_upp;
	}
}
_rv = TrackControl(_self->ob_itself,
                   startPoint,
                   upp);
clrtrackfunc();
_res = Py_BuildValue("h",
                     _rv);
return _res;
"""

f = ManualGenerator("TrackControl", trackcontrol_body);
#f.docstring = "(Point startPoint [,trackercallback]) -> (ControlPartCode _rv)"
object.add(f)

# And manual generators to get/set popup menu information
getpopupdata_body = """
PopupPrivateDataHandle hdl;

if ( (*_self->ob_itself)->contrlData == NULL ) {
	PyErr_SetString(Ctl_Error, "No contrlData handle in control");
	return 0;
}
hdl = (PopupPrivateDataHandle)(*_self->ob_itself)->contrlData;
HLock((Handle)hdl);
_res = Py_BuildValue("O&i", MenuObj_New, (*hdl)->mHandle, (int)(*hdl)->mID);
HUnlock((Handle)hdl);
return _res;
"""
f = ManualGenerator("GetPopupData", getpopupdata_body)
object.add(f)

setpopupdata_body = """
PopupPrivateDataHandle hdl;
MenuHandle mHandle;
short mID;

if (!PyArg_ParseTuple(_args, "O&h", MenuObj_Convert, &mHandle, &mID) )
	return 0;
if ( (*_self->ob_itself)->contrlData == NULL ) {
	PyErr_SetString(Ctl_Error, "No contrlData handle in control");
	return 0;
}
hdl = (PopupPrivateDataHandle)(*_self->ob_itself)->contrlData;
(*hdl)->mHandle = mHandle;
(*hdl)->mID = mID;
Py_INCREF(Py_None);
return Py_None;
"""
f = ManualGenerator("SetPopupData", setpopupdata_body)
object.add(f)


# generate output (open the output file as late as possible)
SetOutputFileName(OUTPUTFILE)
module.generate()
# This script generates a Python interface for an Apple Macintosh Manager. # It uses the "bgen" package to generate C code. # The function specifications are generated by scanning the mamager's header file, # using the "scantools" package (customized for this particular manager). # Declarations that change for each manager # The Apple header file # The name of the module # The basic name of the objects used here # The following is *usually* unchanged but may still require tuning # The prefix for module-wide routines # The C type used to represent them # The prefix for object methods # The file generated by the scanner # The file generated by this program # Create the type objects #include <%s> #define as_Control(h) ((ControlHandle)h)  #define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */  extern PyObject *CtlObj_WhichControl(ControlHandle); /* Forward */ extern PyObject *QdRGB_New(RGBColorPtr); extern QdRGB_Convert(PyObject *, RGBColorPtr);  #ifdef THINK_C #define  ControlActionUPP ProcPtr #endif  /* ** Parse/generate ControlFontStyleRec records */ #if 0 /* Not needed */ PyObject *ControlFontStyle_New(itself) 	ControlFontStyleRec *itself; {  	return Py_BuildValue("hhhhhhO&O&", itself->flags, itself->font, 		itself->size, itself->style, itself->mode, itself->just, 		QdRGB_New, &itself->foreColor, QdRGB_New, &itself->backColor); } #endif  ControlFontStyle_Convert(v, itself) 	PyObject *v; 	ControlFontStyleRec *itself; { 	return PyArg_ParseTuple(v, "hhhhhhO&O&", &itself->flags, 		&itself->font, &itself->size, &itself->style, &itself->mode,  		&itself->just, QdRGB_Convert, &itself->foreColor,  		QdRGB_Convert, &itself->backColor); }  /* TrackControl callback support */ static PyObject *tracker; static ControlActionUPP mytracker_upp;  extern int settrackfunc(PyObject *); 	/* forward */ extern void clrtrackfunc(void);	/* forward */ PyObject *CtlObj_NewUnmanaged(itself) 	ControlHandle itself; { 	ControlObject *it; 	if (itself == NULL) return PyMac_Error(resNotFound); 	it = PyObject_NEW(ControlObject, &Control_Type); 	if (it == NULL) return NULL; 	it->ob_itself = itself; 	return (PyObject *)it; }  PyObject * CtlObj_WhichControl(ControlHandle c) { 	PyObject *it; 	 	if (c == NULL) 		it = Py_None; 	else { 		it = (PyObject *) GetControlReference(c); 		/* 		** If the refcon is zero or doesn't point back to the Python object 		** the control is not ours. Return a temporary object. 		*/ 		if (it == NULL || ((ControlObject *)it)->ob_itself != c) 			return CtlObj_NewUnmanaged(c); 	} 	Py_INCREF(it); 	return it; }  static int settrackfunc(obj) 	PyObject *obj; { 	if (tracker) { 		PyErr_SetString(Ctl_Error, "Tracker function in use"); 		return 0; 	} 	tracker = obj; 	Py_INCREF(tracker); }  static void clrtrackfunc() { 	Py_XDECREF(tracker); 	tracker = 0; }  static pascal void mytracker(ctl, part) 	ControlHandle ctl; 	short part; { 	PyObject *args, *rv=0; 	 	args = Py_BuildValue("(O&i)", CtlObj_WhichControl, ctl, (int)part); 	if (args && tracker) { 		rv = PyEval_CallObject(tracker, args); 		Py_DECREF(args); 	} 	if (rv) 		Py_DECREF(rv); 	else 		PySys_WriteStderr("TrackControl: exception in tracker function\\n"); } mytracker_upp = NewControlActionProc(mytracker); # Create the generator groups and link them # Create the generator classes used to populate the lists # Create and populate the lists # add the populated lists to the generator groups # Manual generator for TrackControl, due to callback ideosyncracies ControlPartCode _rv; Point startPoint; ControlActionUPP upp = 0; PyObject *callback = 0;  if (!PyArg_ParseTuple(_args, "O&|O",                       PyMac_GetPoint, &startPoint, &callback)) 	return NULL; if (callback && callback != Py_None) { 	if (PyInt_Check(callback) && PyInt_AS_LONG(callback) == -1) 		upp = (ControlActionUPP)-1; 	else { 		settrackfunc(callback); 		upp = mytracker_upp; 	} } _rv = TrackControl(_self->ob_itself,                    startPoint,                    upp); clrtrackfunc(); _res = Py_BuildValue("h",                      _rv); return _res; #f.docstring = "(Point startPoint [,trackercallback]) -> (ControlPartCode _rv)" # And manual generators to get/set popup menu information PopupPrivateDataHandle hdl;  if ( (*_self->ob_itself)->contrlData == NULL ) { 	PyErr_SetString(Ctl_Error, "No contrlData handle in control"); 	return 0; } hdl = (PopupPrivateDataHandle)(*_self->ob_itself)->contrlData; HLock((Handle)hdl); _res = Py_BuildValue("O&i", MenuObj_New, (*hdl)->mHandle, (int)(*hdl)->mID); HUnlock((Handle)hdl); return _res; PopupPrivateDataHandle hdl; MenuHandle mHandle; short mID;  if (!PyArg_ParseTuple(_args, "O&h", MenuObj_Convert, &mHandle, &mID) ) 	return 0; if ( (*_self->ob_itself)->contrlData == NULL ) { 	PyErr_SetString(Ctl_Error, "No contrlData handle in control"); 	return 0; } hdl = (PopupPrivateDataHandle)(*_self->ob_itself)->contrlData; (*hdl)->mHandle = mHandle; (*hdl)->mID = mID; Py_INCREF(Py_None); return Py_None; # generate output (open the output file as late as possible)