mirror of https://github.com/python/cpython
250 lines
7.0 KiB
Python
250 lines
7.0 KiB
Python
# 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_WhichControl(ControlHandle c)
|
|
{
|
|
PyObject *it;
|
|
|
|
/* XXX What if we find a control belonging to some other package? */
|
|
if (c == NULL)
|
|
it = NULL;
|
|
else
|
|
it = (PyObject *) GetControlReference(c);
|
|
if (it == NULL || ((ControlObject *)it)->ob_itself != c)
|
|
it = Py_None;
|
|
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(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()
|