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f93c72a4b0
macstrerror - strerror which uses 'Estr' resource to convert numerical MacOS errors to strings. PyErr_Mac - Raise exception with MacOS error in string form. PyMac_Idle - better idle-loop routine, which allows the user to switch applications.
87 lines
1.6 KiB
C
87 lines
1.6 KiB
C
/*
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** macglue - A couple of mac-specific routines often needed.
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**
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** Jack Jansen, CWI, 1994.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "Python.h"
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#include "macglue.h"
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#include <OSUtils.h> /* for Set(Current)A5 */
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#include <Resources.h>
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#include <Memory.h>
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#include <Events.h>
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#include <Windows.h>
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#include <Desk.h>
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/* Replace strerror with something that might work */
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char *macstrerror(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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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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/* 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(object *eobj, int err)
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{
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char *msg;
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PyObject *v;
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Handle h;
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if (err == 0) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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msg = macstrerror(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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/*
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** Idle routine for busy-wait loops.
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** This is rather tricky: if we see an event we check whether it is
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** for somebody else (i.e. a click outside our windows) and, if so,
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** we pass the event on (so the user can switch processes). However,
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** by doing this we loose events meant for our windows. Too bad, I guess...
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*/
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int
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PyMac_Idle()
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{
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EventRecord ev;
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WindowPtr wp;
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#if 0
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SystemTask();
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if ( intrcheck() )
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return 0;
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if ( GetNextEvent(0xffff, &ev) ) {
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if ( ev.what == mouseDown ) {
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if ( FindWindow(ev.where, &wp) == inSysWindow )
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SystemClick(&ev, wp);
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}
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}
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#endif
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return 1;
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}
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