Some layout changes; added EventRecord Get/Build functions (as a tuple).

This commit is contained in:
Guido van Rossum 1995-01-25 23:06:44 +00:00
parent 01f5a81d11
commit cf27c2d541
2 changed files with 120 additions and 21 deletions

View File

@ -24,18 +24,32 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include <Types.h>
#include <Files.h>
#include <Events.h>
char *macstrerror Py_PROTO((int)); /* strerror with mac errors */
char *macstrerror(int); /* strerror with mac errors */
PyObject *PyErr_Mac Py_PROTO((PyObject *, int)); /* Exception with a mac error */
extern PyObject *PyMac_OSErrException; /* Exception for OSErr */
PyObject *PyMac_GetOSErrException(void); /* Initialize & return it */
int PyMac_Idle Py_PROTO((void)); /* Idle routine */
PyObject *PyErr_Mac(PyObject *, int); /* Exception with a mac error */
PyObject *PyMac_Error(OSErr); /* Uses PyMac_GetOSErrException */
int PyMac_GetOSType Py_PROTO((PyObject *, OSType *)); /* argument parser for OSType */
PyObject *PyMac_BuildOSType Py_PROTO((OSType)); /* Convert OSType to PyObject */
int PyMac_Idle(void); /* Idle routine */
int PyMac_GetStr255 Py_PROTO((PyObject *, Str255)); /* argument parser for Str255 */
PyObject *PyMac_BuildStr255 Py_PROTO((Str255)); /* Convert Str255 to PyObject */
int PyMac_GetOSType(PyObject *, OSType *); /* argument parser for OSType */
PyObject *PyMac_BuildOSType(OSType); /* Convert OSType to PyObject */
int PyMac_GetFSSpec Py_PROTO((PyObject *, FSSpec *)); /* argument parser for FSSpec */
PyObject *PyMac_BuildFSSpec Py_PROTO((FSSpec *)); /* Convert FSSpec to PyObject */
int PyMac_GetStr255(PyObject *, Str255); /* argument parser for Str255 */
PyObject *PyMac_BuildStr255(Str255); /* Convert Str255 to PyObject */
int PyMac_GetFSSpec(PyObject *, FSSpec *); /* argument parser for FSSpec */
PyObject *PyMac_BuildFSSpec(FSSpec *); /* Convert FSSpec to PyObject */
int PyMac_GetRect(PyObject *, Rect *); /* argument parser for Rect */
PyObject *PyMac_BuildRect(Rect *); /* Convert Rect to PyObject */
int PyMac_GetPoint(PyObject *, Point *); /* argument parser for Point */
PyObject *PyMac_BuildPoint(Point); /* Convert Point to PyObject */
int PyMac_GetEventRecord(PyObject *, EventRecord *); /* argument parser for EventRecord */
PyObject *PyMac_BuildEventRecord(EventRecord *); /* Convert EventRecord to PyObject */

View File

@ -71,6 +71,18 @@ char *macstrerror(int err)
return buf;
}
/* Exception object shared by all Mac specific modules for Mac OS errors */
PyObject *PyMac_OSErrException;
/* Initialize and return PyMac_OSErrException */
PyObject *
PyMac_GetOSErrException()
{
if (PyMac_OSErrException == NULL)
PyMac_OSErrException = PyString_FromString("Mac OS Error");
return PyMac_OSErrException;
}
/* Set a MAC-specific error from errno, and return NULL; return None if no error */
PyObject *
PyErr_Mac(PyObject *eobj, int err)
@ -91,6 +103,13 @@ PyErr_Mac(PyObject *eobj, int err)
return NULL;
}
/* Call PyErr_Mac with PyMac_OSErrException */
PyObject *
PyMac_Error(OSErr err)
{
return PyErr_Mac(PyMac_GetOSErrException(), err);
}
/*
** Idle routine for busy-wait loops.
** This is rather tricky: if we see an event we check whether it is
@ -117,9 +136,9 @@ PyMac_Idle()
}
/* Convert a ResType argument */
/* Convert a 4-char string object argument to an OSType value */
int
PyMac_GetOSType(PyObject *v, ResType *pr)
PyMac_GetOSType(PyObject *v, OSType *pr)
{
if (!PyString_Check(v) || PyString_Size(v) != 4) {
PyErr_SetString(PyExc_TypeError,
@ -130,7 +149,15 @@ PyMac_GetOSType(PyObject *v, ResType *pr)
return 1;
}
/* Convert a Python string to a Str255 */
/* Convert an OSType value to a 4-char string object */
PyObject *
PyMac_BuildOSType(OSType t)
{
return PyString_FromStringAndSize((char *)&t, 4);
}
/* Convert a Python string object to a Str255 */
int
PyMac_GetStr255(PyObject *v, Str255 pbuf)
{
@ -145,8 +172,18 @@ PyMac_GetStr255(PyObject *v, Str255 pbuf)
return 1;
}
/* Convert a Str255 to a Python string object */
PyObject *
PyMac_BuildStr255(Str255 s)
{
return PyString_FromStringAndSize((char *)&s[1], (int)s[0]);
}
/*
** Convert anything resembling an FSSpec argument
** Convert a Python object to an FSSpec.
** The object may either be a full pathname or a triple
** (vrefnum, dirid, path).
** NOTE: This routine will fail on pre-sys7 machines.
** The caller is responsible for not calling this routine
** in those cases (which is fine, since everyone calling
@ -180,23 +217,71 @@ PyMac_GetFSSpec(PyObject *v, FSSpec *fs)
return 1;
}
/* Return a Python object that describes an FSSpec */
/* Convert an FSSpec to a Python object -- a triple (vrefnum, dirid, path) */
PyObject *
PyMac_BuildFSSpec(FSSpec *fs)
{
return Py_BuildValue("(iis#)", fs->vRefNum, fs->parID, &fs->name[1], fs->name[0]);
}
/* Convert an OSType value to a 4-char string object */
PyObject *
PyMac_BuildOSType(OSType t)
/* Convert a Python object to a Rect.
The object must be a (top, left, bottom, right) tuple.
(Unfortunately this is different from STDWIN's convention). */
int
PyMac_GetRect(PyObject *v, Rect *r)
{
return PyString_FromStringAndSize((char *)&t, 4);
return PyArg_Parse(v, "(hhhh)", &r->top, &r->left, &r->bottom, &r->right);
}
/* Convert a Str255 to a Python string */
/* Convert a Rect to a Python object */
PyObject *
PyMac_BuildStr255(Str255 s)
PyMac_BuildRect(Rect *r)
{
return PyString_FromStringAndSize((char *)&s[1], (int)s[0]);
return Py_BuildValue("(hhhh)", r->top, r->left, r->bottom, r->right);
}
/* Convert a Python object to a Point.
The object must be a (v, h) tuple.
(Unfortunately this is different from STDWIN's convention). */
int
PyMac_GetPoint(PyObject *v, Point *p)
{
return PyArg_Parse(v, "(hh)", &p->v, &p->h);
}
/* Convert a Point to a Python object */
PyObject *
PyMac_BuildPoint(Point p)
{
return Py_BuildValue("(hh)", p.v, p.h);
}
/* Convert a Python object to an EventRecord.
The object must be a (what, message, when, (v, h), modifiers) tuple. */
int
PyMac_GetEventRecord(PyObject *v, EventRecord *e)
{
return PyArg_Parse(v, "(hll(hh)h)",
&e->what,
&e->message,
&e->when,
&e->where.v,
&e->where.h,
&e->modifiers);
}
/* Convert a Rect to an EventRecord object */
PyObject *
PyMac_BuildEventRecord(EventRecord *e)
{
return Py_BuildValue("(hll(hh)h)",
e->what,
e->message,
e->when,
e->where.v,
e->where.h,
e->modifiers);
}