/* Raise a fatal error condition. */
void
AG_FatalError(const char *fmt, ...)
{
va_list args;
char *buf;
/* Use callback if defined. The callback must gracefully exit. */
if (agErrorCallback != NULL) {
if (fmt != NULL) {
va_start(args, fmt);
Vasprintf(&buf, fmt, args);
va_end(args);
agErrorCallback(buf);
abort(); /* not reached */
} else {
agErrorCallback(AG_GetError());
abort(); /* not reached */
}
} else {
fprintf(stderr, "Fatal error: ");
if (fmt != NULL) {
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
} else {
fprintf(stderr, "%s", AG_GetError());
}
fprintf(stderr, "\n");
abort();
}
}
/* Issue a debug message. */
void
AG_Debug(void *p, const char *fmt, ...)
{
#ifdef AG_DEBUG
AG_Object *obj = p;
va_list args;
if (obj != NULL && obj->debugFn != NULL) {
char *buf, *p;
va_start(args, fmt);
Vasprintf(&buf, fmt, args);
p = &buf[strlen(buf)-1];
if (*p == '\n') { *p = '\0'; }
obj->debugFn(obj, obj->debugPtr, buf);
Free(buf);
va_end(args);
} else {
if (agDebugLvl >= 1 || (obj != NULL && OBJECT_DEBUG(obj))) {
va_start(args, fmt);
if (obj != NULL) {
if (OBJECT(obj)->name[0] != '\0') {
printf("%s: ", OBJECT(obj)->name);
} else {
printf("<%p>: ", obj);
}
}
vprintf(fmt, args);
va_end(args);
}
}
#endif /* AG_DEBUG */
}
AG_Label *
AG_StatusbarAddLabel(AG_Statusbar *sbar, const char *fmt, ...)
{
AG_Label *lab;
va_list ap;
AG_ObjectLock(sbar);
#ifdef AG_DEBUG
if (sbar->nlabels+1 >= AG_STATUSBAR_MAX_LABELS)
AG_FatalError("AG_StatusbarAddLabel: Too many labels");
#endif
sbar->labels[sbar->nlabels] = Malloc(sizeof(AG_Label));
lab = sbar->labels[sbar->nlabels];
AG_ObjectInit(lab, &agLabelClass);
lab->type = AG_LABEL_STATIC;
va_start(ap, fmt);
Vasprintf(&lab->text, fmt, ap);
va_end(ap);
AG_ExpandHoriz(lab);
AG_ObjectAttach(&sbar->box, lab);
lab = sbar->labels[sbar->nlabels++];
AG_ObjectUnlock(sbar);
AG_Redraw(sbar);
return (lab);
}
/* Set the textbox label (format string). */
void
AG_TextboxSetLabel(AG_Textbox *tb, const char *fmt, ...)
{
char *s;
va_list ap;
va_start(ap, fmt);
Vasprintf(&s, fmt, ap);
va_end(ap);
AG_TextboxSetLabelS(tb, s);
Free(s);
}
AG_Button *
AG_ButtonNew(void *parent, Uint flags, const char *fmt, ...)
{
va_list ap;
char *s;
if (fmt != NULL) {
va_start(ap, fmt);
Vasprintf(&s, fmt, ap);
va_end(ap);
} else {
s = NULL;
}
return AG_ButtonNewS(parent, flags, s);
}
/* Set the label text (format string). */
void
AG_BoxSetLabel(AG_Box *box, const char *fmt, ...)
{
char *s;
va_list ap;
if (fmt != NULL) {
va_start(ap, fmt);
Vasprintf(&s, fmt, ap);
va_end(ap);
AG_BoxSetLabelS(box, s);
free(s);
box->flags |= AG_BOX_FRAME;
} else {
AG_BoxSetLabelS(box, NULL);
box->flags &= ~(AG_BOX_FRAME);
}
}
/* Set the error message string. */
void
AG_SetError(const char *fmt, ...)
{
va_list args;
char *buf;
va_start(args, fmt);
Vasprintf(&buf, fmt, args);
va_end(args);
#ifdef AG_THREADS
{
char *ekey;
if ((ekey = (char *)AG_ThreadKeyGet(agErrorKey)) != NULL) {
Free(ekey);
}
AG_ThreadKeySet(agErrorKey, buf);
}
#else
Free(agErrorKey);
agErrorKey = buf;
#endif
}
