bool CFrmSettings::createLayout()
{
rdr_t rdr;
//first attach attributes to graph
int _pos = graphData.indexOf(tr("{"));
graphData.replace(_pos, 1,
"{" + WIDGET(QTextEdit,
teAttributes)->toPlainText());
/* Reset line number and file name;
* If known, might want to use real name
*/
agsetfile((char*)"<gvedit>");
QByteArray bytes = graphData.toUtf8();
rdr.data = bytes.constData();
rdr.len = strlen(rdr.data);
rdr.cur = 0;
graph = agmemread(rdr.data);
if (!graph)
return false;
if (agerrors()) {
agclose(graph);
graph = NULL;
return false;
}
Agraph_t *G = this->graph;
QString layout;
layout=WIDGET(QComboBox, cbLayout)->currentText();
gvLayout(gvc, G, (char *)layout.toUtf8().constData()); /* library function */
return true;
}
/* nextFile:
* Set next available file.
* If Files is NULL, we just read from stdin.
*/
static void nextFile(ingraph_state * sp)
{
void *rv = NULL;
char *fname;
if (sp->u.Files == NULL) {
if (sp->ctr++ == 0) {
rv = sp->fns->dflt;
}
} else {
while ((fname = sp->u.Files[sp->ctr++])) {
if (*fname == '-') {
rv = sp->fns->dflt;
break;
} else if ((rv = sp->fns->openf(fname)) != 0)
break;
else {
fprintf(stderr, "Can't open %s\n", sp->u.Files[sp->ctr - 1]);
sp->errors++;
}
}
}
if (rv)
agsetfile(fileName(sp));
sp->fp = rv;
}
graph_t *gvNextInputGraph(GVC_t *gvc)
{
graph_t *g = NULL;
static char *fn;
static FILE *fp;
static int fidx, gidx;
GVG_t *gvg;
while (!g) {
if (!fp) {
if (!(fn = gvc->input_filenames[0])) {
if (fidx++ == 0)
fp = stdin;
}
else {
while ((fn = gvc->input_filenames[fidx++]) && !(fp = fopen(fn, "r"))) {
agerr(AGERR, "%s: can't open %s\n", gvc->common.cmdname, fn);
graphviz_errors++;
}
}
}
if (fp == NULL)
break;
agsetfile(fn ? fn : "<stdin>");
#ifdef EXPERIMENTAL_MYFGETS
g = agread_usergets(fp, myfgets);
#else
g = agread(fp);
#endif
if (g) {
gvg = zmalloc(sizeof(GVG_t));
if (!gvc->gvgs)
gvc->gvgs = gvg;
else
gvc->gvg->next = gvg;
gvc->gvg = gvg;
gvg->gvc = gvc;
gvg->g = g;
gvg->input_filename = fn;
gvg->graph_index = gidx++;
break;
}
fp = NULL;
gidx = 0;
}
return g;
}
graph_t *gvNextInputGraph(GVC_t *gvc)
{
graph_t *g = NULL;
static char *fn;
static FILE *fp;
static FILE *oldfp;
static int fidx, gidx;
while (!g) {
if (!fp) {
if (!(fn = gvc->input_filenames[0])) {
if (fidx++ == 0)
fp = stdin;
}
else {
while ((fn = gvc->input_filenames[fidx++]) && !(fp = fopen(fn, "r"))) {
agerr(AGERR, "%s: can't open %s\n", gvc->common.cmdname, fn);
graphviz_errors++;
}
}
}
if (fp == NULL)
break;
if (oldfp != fp) {
agsetfile(fn ? fn : "<stdin>");
oldfp = fp;
}
#ifdef EXPERIMENTAL_MYFGETS
g = agread_usergets(fp, myfgets);
#else
g = agread(fp,NIL(Agdisc_t*));
#endif
if (g) {
gvg_init(gvc, g, fn, gidx++);
break;
}
if (fp != stdin)
fclose (fp);
fp = NULL;
gidx = 0;
}
return g;
}
FILE *
next_input_file(void)
{
static int ctr = 0;
FILE *rv = NULL;
if (Files[0] == NULL) {
if (ctr++ == 0) rv = stdin;
}
else {
rv = NULL;
while (Files[ctr]) {
if ((rv = fopen(Files[ctr++],"r"))) break;
else {
agerr(AGERR, "%s: can't open %s\n",CmdName,Files[ctr-1]);
graphviz_errors++;
}
}
}
if (rv) agsetfile (Files[0]?Files[ctr-1]:"<stdin>");
return rv;
}
