mirror of https://github.com/python/cpython
410 lines
11 KiB
C
410 lines
11 KiB
C
/***********************************************************
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Copyright 1991-1997 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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#include "Python.h"
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#include "pymactoolbox.h"
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#ifdef WITHOUT_FRAMEWORKS
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#include <Script.h>
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#include <Resources.h>
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#endif
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/*
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** Find out what the current script is.
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** Donated by Fredrik Lund.
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*/
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char *PyMac_getscript()
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{
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int font, script, lang;
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font = 0;
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font = GetSysFont();
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script = FontToScript(font);
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switch (script) {
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case smRoman:
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lang = GetScriptVariable(script, smScriptLang);
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if (lang == langIcelandic)
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return "mac-iceland";
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else if (lang == langTurkish)
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return "mac-turkish";
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else if (lang == langGreek)
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return "mac-greek";
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else
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return "mac-roman";
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break;
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#if 0
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/* We don't have a codec for this, so don't return it */
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case smJapanese:
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return "mac-japan";
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#endif
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case smGreek:
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return "mac-greek";
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case smCyrillic:
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return "mac-cyrillic";
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default:
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return "ascii"; /* better than nothing */
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}
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}
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/* Like strerror() but for Mac OS error numbers */
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char *PyMac_StrError(int err)
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{
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static char buf[256];
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Handle h;
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char *str;
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h = GetResource('Estr', err);
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if ( h ) {
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HLock(h);
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str = (char *)*h;
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memcpy(buf, str+1, (unsigned char)str[0]);
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buf[(unsigned char)str[0]] = '\0';
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HUnlock(h);
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ReleaseResource(h);
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} else {
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sprintf(buf, "Mac OS error code %d", err);
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}
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return buf;
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}
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/* Exception object shared by all Mac specific modules for Mac OS errors */
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PyObject *PyMac_OSErrException;
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/* Initialize and return PyMac_OSErrException */
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PyObject *
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PyMac_GetOSErrException()
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{
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if (PyMac_OSErrException == NULL)
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PyMac_OSErrException = PyString_FromString("MacOS.Error");
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return PyMac_OSErrException;
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}
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/* Set a MAC-specific error from errno, and return NULL; return None if no error */
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PyObject *
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PyErr_Mac(PyObject *eobj, int err)
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{
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char *msg;
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PyObject *v;
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if (err == 0 && !PyErr_Occurred()) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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if (err == -1 && PyErr_Occurred())
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return NULL;
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msg = PyMac_StrError(err);
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v = Py_BuildValue("(is)", err, msg);
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PyErr_SetObject(eobj, v);
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Py_DECREF(v);
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return NULL;
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}
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/* Call PyErr_Mac with PyMac_OSErrException */
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PyObject *
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PyMac_Error(OSErr err)
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{
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return PyErr_Mac(PyMac_GetOSErrException(), err);
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}
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/* Convert a 4-char string object argument to an OSType value */
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int
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PyMac_GetOSType(PyObject *v, OSType *pr)
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{
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if (!PyString_Check(v) || PyString_Size(v) != 4) {
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PyErr_SetString(PyExc_TypeError,
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"OSType arg must be string of 4 chars");
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return 0;
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}
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memcpy((char *)pr, PyString_AsString(v), 4);
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return 1;
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}
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/* Convert an OSType value to a 4-char string object */
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PyObject *
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PyMac_BuildOSType(OSType t)
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{
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return PyString_FromStringAndSize((char *)&t, 4);
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}
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/* Convert an NumVersion value to a 4-element tuple */
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PyObject *
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PyMac_BuildNumVersion(NumVersion t)
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{
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return Py_BuildValue("(hhhh)", t.majorRev, t.minorAndBugRev, t.stage, t.nonRelRev);
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}
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/* Convert a Python string object to a Str255 */
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int
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PyMac_GetStr255(PyObject *v, Str255 pbuf)
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{
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int len;
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if (!PyString_Check(v) || (len = PyString_Size(v)) > 255) {
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PyErr_SetString(PyExc_TypeError,
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"Str255 arg must be string of at most 255 chars");
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return 0;
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}
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pbuf[0] = len;
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memcpy((char *)(pbuf+1), PyString_AsString(v), len);
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return 1;
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}
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/* Convert a Str255 to a Python string object */
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PyObject *
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PyMac_BuildStr255(Str255 s)
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{
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if ( s == NULL ) {
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PyErr_SetString(PyExc_SystemError, "Str255 pointer is NULL");
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return NULL;
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}
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return PyString_FromStringAndSize((char *)&s[1], (int)s[0]);
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}
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PyObject *
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PyMac_BuildOptStr255(Str255 s)
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{
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if ( s == NULL ) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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return PyString_FromStringAndSize((char *)&s[1], (int)s[0]);
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}
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/* Convert a Python object to a Rect.
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The object must be a (left, top, right, bottom) tuple.
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(This differs from the order in the struct but is consistent with
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the arguments to SetRect(), and also with STDWIN). */
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int
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PyMac_GetRect(PyObject *v, Rect *r)
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{
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return PyArg_Parse(v, "(hhhh)", &r->left, &r->top, &r->right, &r->bottom);
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}
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/* Convert a Rect to a Python object */
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PyObject *
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PyMac_BuildRect(Rect *r)
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{
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return Py_BuildValue("(hhhh)", r->left, r->top, r->right, r->bottom);
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}
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/* Convert a Python object to a Point.
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The object must be a (h, v) tuple.
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(This differs from the order in the struct but is consistent with
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the arguments to SetPoint(), and also with STDWIN). */
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int
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PyMac_GetPoint(PyObject *v, Point *p)
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{
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return PyArg_Parse(v, "(hh)", &p->h, &p->v);
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}
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/* Convert a Point to a Python object */
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PyObject *
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PyMac_BuildPoint(Point p)
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{
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return Py_BuildValue("(hh)", p.h, p.v);
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}
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/* Convert a Python object to an EventRecord.
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The object must be a (what, message, when, (v, h), modifiers) tuple. */
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int
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PyMac_GetEventRecord(PyObject *v, EventRecord *e)
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{
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return PyArg_Parse(v, "(Hll(hh)H)",
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&e->what,
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&e->message,
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&e->when,
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&e->where.h,
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&e->where.v,
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&e->modifiers);
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}
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/* Convert a Rect to an EventRecord object */
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PyObject *
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PyMac_BuildEventRecord(EventRecord *e)
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{
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return Py_BuildValue("(hll(hh)h)",
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e->what,
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e->message,
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e->when,
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e->where.h,
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e->where.v,
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e->modifiers);
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}
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/* Convert Python object to Fixed */
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int
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PyMac_GetFixed(PyObject *v, Fixed *f)
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{
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double d;
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if( !PyArg_Parse(v, "d", &d))
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return 0;
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*f = (Fixed)(d * 0x10000);
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return 1;
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}
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/* Convert a Point to a Python object */
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PyObject *
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PyMac_BuildFixed(Fixed f)
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{
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double d;
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d = f;
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d = d / 0x10000;
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return Py_BuildValue("d", d);
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}
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/* Convert wide to/from Python int or (hi, lo) tuple. XXXX Should use Python longs */
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int
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PyMac_Getwide(PyObject *v, wide *rv)
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{
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if (PyInt_Check(v)) {
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rv->hi = 0;
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rv->lo = PyInt_AsLong(v);
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if( rv->lo & 0x80000000 )
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rv->hi = -1;
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return 1;
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}
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return PyArg_Parse(v, "(ll)", &rv->hi, &rv->lo);
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}
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PyObject *
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PyMac_Buildwide(wide *w)
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{
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if ( (w->hi == 0 && (w->lo & 0x80000000) == 0) ||
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(w->hi == -1 && (w->lo & 0x80000000) ) )
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return PyInt_FromLong(w->lo);
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return Py_BuildValue("(ll)", w->hi, w->lo);
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}
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#ifdef USE_TOOLBOX_OBJECT_GLUE
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/*
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** Glue together the toolbox objects.
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**
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** Because toolbox modules interdepend on each other, they use each others
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** object types, on MacOSX/MachO this leads to the situation that they
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** cannot be dynamically loaded (or they would all have to be lumped into
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** a single .so, but this would be bad for extensibility).
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**
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** This file defines wrappers for all the _New and _Convert functions,
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** which are the Py_BuildValue and PyArg_ParseTuple helpers. The wrappers
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** check an indirection function pointer, and if it isn't filled in yet
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** they import the appropriate module, whose init routine should fill in
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** the pointer.
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*/
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#define GLUE_NEW(object, routinename, module) \
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PyObject *(*PyMacGluePtr_##routinename)(object); \
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\
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PyObject *routinename(object cobj) { \
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if (!PyMacGluePtr_##routinename) { \
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if (!PyImport_ImportModule(module)) return NULL; \
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if (!PyMacGluePtr_##routinename) { \
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PyErr_SetString(PyExc_ImportError, "Module did not provide routine: " module ": " #routinename); \
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return NULL; \
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} \
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} \
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return (*PyMacGluePtr_##routinename)(cobj); \
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}
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#define GLUE_CONVERT(object, routinename, module) \
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int (*PyMacGluePtr_##routinename)(PyObject *, object *); \
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\
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int routinename(PyObject *pyobj, object *cobj) { \
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if (!PyMacGluePtr_##routinename) { \
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if (!PyImport_ImportModule(module)) return NULL; \
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if (!PyMacGluePtr_##routinename) { \
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PyErr_SetString(PyExc_ImportError, "Module did not provide routine: " module ": " #routinename); \
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return NULL; \
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} \
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} \
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return (*PyMacGluePtr_##routinename)(pyobj, cobj); \
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}
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GLUE_CONVERT(FSSpec, PyMac_GetFSSpec, "macfs")
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GLUE_NEW(AppleEvent *, AEDesc_New, "AE") /* XXXX Why by address? */
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GLUE_CONVERT(AppleEvent, AEDesc_Convert, "AE")
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GLUE_NEW(Component, CmpObj_New, "Cm")
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GLUE_CONVERT(Component, CmpObj_Convert, "Cm")
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GLUE_NEW(ComponentInstance, CmpInstObj_New, "Cm")
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GLUE_CONVERT(ComponentInstance, CmpInstObj_Convert, "Cm")
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GLUE_NEW(ControlHandle, CtlObj_New, "Ctl")
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GLUE_CONVERT(ControlHandle, CtlObj_Convert, "Ctl")
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GLUE_NEW(DialogPtr, DlgObj_New, "Dlg")
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GLUE_CONVERT(DialogPtr, DlgObj_Convert, "Dlg")
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GLUE_NEW(DialogPtr, DlgObj_WhichDialog, "Dlg")
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GLUE_NEW(DragReference, DragObj_New, "Drag")
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GLUE_CONVERT(DragReference, DragObj_Convert, "Drag")
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GLUE_NEW(ListHandle, ListObj_New, "List")
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GLUE_CONVERT(ListHandle, ListObj_Convert, "List")
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GLUE_NEW(MenuHandle, MenuObj_New, "Menu")
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GLUE_CONVERT(MenuHandle, MenuObj_Convert, "Menu")
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GLUE_NEW(GrafPtr, GrafObj_New, "Qd")
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GLUE_CONVERT(GrafPtr, GrafObj_Convert, "Qd")
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GLUE_NEW(BitMapPtr, BMObj_New, "Qd")
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GLUE_CONVERT(BitMapPtr, BMObj_Convert, "Qd")
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GLUE_NEW(RGBColor *, QdRGB_New, "Qd") /* XXXX Why? */
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GLUE_CONVERT(RGBColor, QdRGB_Convert, "Qd")
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GLUE_NEW(GWorldPtr, GWorldObj_New, "Qdoffs")
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GLUE_CONVERT(GWorldPtr, GWorldObj_Convert, "Qdoffs")
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GLUE_NEW(Track, TrackObj_New, "Qt")
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GLUE_CONVERT(Track, TrackObj_Convert, "Qt")
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GLUE_NEW(Movie, MovieObj_New, "Qt")
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GLUE_CONVERT(Movie, MovieObj_Convert, "Qt")
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GLUE_NEW(MovieController, MovieCtlObj_New, "Qt")
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GLUE_CONVERT(MovieController, MovieCtlObj_Convert, "Qt")
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GLUE_NEW(TimeBase, TimeBaseObj_New, "Qt")
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GLUE_CONVERT(TimeBase, TimeBaseObj_Convert, "Qt")
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GLUE_NEW(UserData, UserDataObj_New, "Qt")
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GLUE_CONVERT(UserData, UserDataObj_Convert, "Qt")
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GLUE_NEW(Media, MediaObj_New, "Qt")
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GLUE_CONVERT(Media, MediaObj_Convert, "Qt")
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GLUE_NEW(Handle, ResObj_New, "Res")
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GLUE_CONVERT(Handle, ResObj_Convert, "Res")
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GLUE_NEW(Handle, OptResObj_New, "Res")
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GLUE_CONVERT(Handle, OptResObj_Convert, "Res")
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GLUE_NEW(TEHandle, TEObj_New, "TE")
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GLUE_CONVERT(TEHandle, TEObj_Convert, "TE")
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GLUE_NEW(WindowPtr, WinObj_New, "Win")
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GLUE_CONVERT(WindowPtr, WinObj_Convert, "Win")
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GLUE_NEW(WindowPtr, WinObj_WhichWindow, "Win")
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#endif /* USE_TOOLBOX_OBJECT_GLUE */ |