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python.c
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python.c
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/*--------------------------------------------------------------*/
/* python.c --- Embedded python interpreter for xcircuit */
/* Copyright (c) 2002 Tim Edwards, Johns Hopkins University */
/*--------------------------------------------------------------*/
/* NOTE: These routines work only if python-2.0 is installed. */
/* Requires library file libpython2.0.a. Hopefully */
/* one day there will be a standard libpython${VERSION}.so */
/* so that the whole thing doesn't have to be linked */
/* into the xcircuit executable. . . */
/* */
/* Modeled after demo.c in Python2.0 source Demo/embed */
/*--------------------------------------------------------------*/
#if defined(HAVE_PYTHON) && !defined(TCL_WRAPPER)
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h> /* for usleep() */
#include <string.h>
#include <Python.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include "Xw/Xw.h"
#include "Xw/MenuBtn.h"
#ifdef HAVE_XPM
#include <X11/xpm.h>
#include "lib/pixmaps/q.xpm"
#endif
PyObject *xcmod;
/*----------------------------------------------------------------------*/
/* Local includes */
/*----------------------------------------------------------------------*/
#include "xcircuit.h"
#include "menudep.h"
#include "colordefs.h"
/*----------------------------------------------------------------------*/
/* Function prototype declarations */
/*----------------------------------------------------------------------*/
#include "prototypes.h"
static PyObject *xc_new(PyObject *, PyObject *);
static PyObject *xc_set(PyObject *, PyObject *);
static PyObject *xc_override(PyObject *, PyObject *);
static PyObject *xc_library(PyObject *, PyObject *);
static PyObject *xc_font(PyObject *, PyObject *);
static PyObject *xc_color(PyObject *, PyObject *);
static PyObject *xc_pause(PyObject *, PyObject *);
static PyObject *xc_refresh(PyObject *, PyObject *);
static PyObject *xc_bind(PyObject *, PyObject *);
static PyObject *xc_unbind(PyObject *, PyObject *);
static PyObject *xc_simplepopup(PyObject *, PyObject *);
static PyObject *xc_popupprompt(PyObject *, PyObject *);
static PyObject *xc_filepopup(PyObject *, PyObject *);
static PyObject *xc_newbutton(PyObject *, PyObject *);
static PyObject *xc_page(PyObject *, PyObject *);
static PyObject *xc_load(PyObject *, PyObject *);
static PyObject *xc_pan(PyObject *, PyObject *);
static PyObject *xc_zoom(PyObject *, PyObject *);
static PyObject *xc_getcursor();
static PyObject *xc_getwindow();
static PyObject *xc_reset();
static PyObject *xc_netlist();
#ifdef HAVE_XPM
static PyObject *xc_newtool(PyObject *, PyObject *);
#endif
int string_to_type(const char *);
/*----------------------------------------------------------------------*/
/* External variable declarations */
/*----------------------------------------------------------------------*/
extern char _STR2[250], _STR[150];
extern fontinfo *fonts;
extern short fontcount;
extern XCWindowData *areawin;
extern Globaldata xobjs;
extern short beeper;
extern Widget menuwidgets[];
extern Display *dpy;
extern keybinding *keylist;
extern int number_colors;
extern colorindex *colorlist;
extern ApplicationData appdata;
#ifdef HAVE_XPM
extern Widget toolbar;
#endif
/*----------------------------------------------------------------------*/
short flags = -1;
#define LIBOVERRIDE 1
#define LIBLOADED 2
#define COLOROVERRIDE 4
#define FONTOVERRIDE 8
#define KEYOVERRIDE 16
/*----------------------------------------------------------------*/
/* Similar to "PyRun_SimpleString()" but returns a PyObject value */
/* rather than a status word. */
/*----------------------------------------------------------------*/
PyObject *PyRun_ObjString(char *string)
{
PyObject *m, *d, *v;
m = PyImport_AddModule("__main__");
if (m == NULL) return NULL;
d = PyModule_GetDict(m);
v = PyRun_String(string, Py_file_input, d, d);
return v;
}
/*--------------------------------------------------------------*/
/* Define all of the xcircuit functions available to Python */
/* Currently this does the bare minimum of having Python do the */
/* argument parsing; ideally, we would like to be doing more */
/* fundamental processing here. */
/*--------------------------------------------------------------*/
/*--------------------------------------------------------------*/
/* Extract text from a popup and call the indicated python */
/* function. If there is no text, function is called without */
/* arguments. */
/*--------------------------------------------------------------*/
void pypromptvalue(Widget w, char *functionptr)
{
if (strlen(_STR2) == 0)
sprintf(_STR, "%s()\n", functionptr);
else
sprintf(_STR, "%s('%s')\n", functionptr, _STR2);
PyRun_SimpleString(_STR);
refresh(NULL, NULL, NULL);
}
/*--------------------------------------------------------------*/
/* Pop up a prompt, and return the value to the indicated */
/* python function. */
/*--------------------------------------------------------------*/
static PyObject *pypopupprompt(PyObject *self, PyObject *args,
const char *dofile, char *displaystr)
{
const char *pfunction = NULL;
const char *prompt = NULL;
buttonsave *savebutton;
if (!PyArg_ParseTuple(args, "ss:popupprompt", &prompt, &pfunction))
return PyInt_FromLong(-1L);
savebutton = getgeneric(NULL, NULL, (void *)pfunction);
popupprompt(areawin->area, (char *)prompt, displaystr,
pypromptvalue, savebutton, dofile);
return PyInt_FromLong(0L);
}
/*--------------------------------------------------------------*/
/* Wrappers for pypopuprompt() */
/*--------------------------------------------------------------*/
static PyObject *xc_popupprompt(PyObject *self, PyObject *args)
{
return pypopupprompt(self, args, NULL, "");
}
static PyObject *xc_filepopup(PyObject *self, PyObject *args)
{
return pypopupprompt(self, args, "", "");
}
static PyObject *xc_simplepopup(PyObject *self, PyObject *args)
{
_STR2[0] = '\0';
return pypopupprompt(self, args, False, NULL);
}
/*--------------------------------------------------------------*/
/* Create objects and return a handle to that object in the */
/* form of a Python integer Object. */
/*--------------------------------------------------------------*/
static PyObject *xc_new(PyObject *self, PyObject *args)
{
const char *etype;
int type;
genericptr *newgen;
arcptr *newarc;
splineptr *newspline;
polyptr *newpoly;
labelptr *newlabel;
pathptr *newpath;
objinstptr *newobjinst;
if (!PyArg_ParseTuple(args, "s:newelement", &etype))
return NULL;
switch(type = string_to_type(etype)) {
case ARC:
NEW_ARC(newarc, topobject);
arcdefaults(*newarc, 0, 0);
newgen = (genericptr *)newarc;
break;
case SPLINE:
NEW_SPLINE(newspline, topobject);
splinedefaults(*newspline, 0, 0);
newgen = (genericptr *)newspline;
break;
case POLYGON:
NEW_POLY(newpoly, topobject);
polydefaults(*newpoly, 4, 0, 0);
newgen = (genericptr *)newpoly;
break;
case LABEL:
NEW_LABEL(newlabel, topobject);
labeldefaults(*newlabel, 0, 0, 0);
newgen = (genericptr *)newlabel;
break;
case PATH:
NEW_PATH(newpath, topobject);
pathdefaults(*newpath, 0, 0);
newgen = (genericptr *)newpath;
break;
case OBJINST:
NEW_OBJINST(newobjinst, topobject);
instancedefaults(*newobjinst, NULL, 0, 0);
newgen = (genericptr *)newobjinst;
break;
default:
PyErr_SetString(PyExc_TypeError,
"newelement() 2nd argument must be a valid element type");
return NULL;
}
incr_changes(topobject);
invalidate_netlist(topobject);
return PyInt_FromLong((long)(*newgen));
}
/*--------------------------------------------------------------*/
/* Convert object type to a string */
/*--------------------------------------------------------------*/
char *type_to_string(int type)
{
char *retstr = NULL;
switch(type) {
case LABEL:
retstr = malloc(6);
strcpy(retstr, "Label");
break;
case POLYGON:
retstr = malloc(8);
strcpy(retstr, "Polygon");
break;
case SPLINE:
retstr = malloc(12);
strcpy(retstr, "Bezier Curve");
break;
case OBJINST:
retstr = malloc(16);
strcpy(retstr, "Object Instance");
break;
case PATH:
retstr = malloc(5);
strcpy(retstr, "Path");
break;
case ARC:
retstr = malloc(4);
strcpy(retstr, "Arc");
break;
}
return retstr;
}
/*--------------------------------------------------------------*/
/* Convert a string to an element type */
/*--------------------------------------------------------------*/
int string_to_type(const char *etype)
{
if (!strcmp(etype, "Arc"))
return ARC;
else if (!strcmp(etype, "Bezier Curve"))
return SPLINE;
else if (!strcmp(etype, "Polygon"))
return POLYGON;
else if (!strcmp(etype, "Label"))
return LABEL;
else if (!strcmp(etype, "Path"))
return PATH;
else if (!strcmp(etype, "Object Instance"))
return OBJINST;
else
return -1;
}
/*--------------------------------------------------------------*/
/* Convert color index to 3-tuple and vice versa */
/* We assume that this color exists in the color table. */
/*--------------------------------------------------------------*/
PyObject *PyIndexToRGB(int cidx)
{
int i;
PyObject *RGBTuple;
if (cidx < 0) { /* Handle "default color" */
return PyString_FromString("Default");
}
for (i = 0; i < number_colors; i++) {
if (cidx == colorlist[i].color.pixel) {
RGBTuple = PyTuple_New(3);
PyTuple_SetItem(RGBTuple, 0,
PyInt_FromLong((long)(colorlist[i].color.red / 256)));
PyTuple_SetItem(RGBTuple, 1,
PyInt_FromLong((long)(colorlist[i].color.green / 256)));
PyTuple_SetItem(RGBTuple, 2,
PyInt_FromLong((long)(colorlist[i].color.blue / 256)));
return RGBTuple;
}
}
PyErr_SetString(PyExc_TypeError, "invalid or unknown color index");
return NULL;
}
/*--------------------------------------------------------------*/
/* Convert color 3-tuple (RGB) or name to a color index */
/*--------------------------------------------------------------*/
int PyRGBToIndex(PyObject *cobj)
{
PyObject *tobj;
int ccolor, r, g, b;
if (PyTuple_Check(cobj) && PyTuple_Size(cobj) == 3) { /* RGB 3-tuple */
tobj = PyTuple_GetItem(cobj, 0);
if (PyFloat_Check(tobj)) {
r = (int)(65535 * (float)PyFloat_AsDouble(tobj));
g = (int)(65535 * (float)PyFloat_AsDouble(PyTuple_GetItem(cobj, 1)));
b = (int)(65535 * (float)PyFloat_AsDouble(PyTuple_GetItem(cobj, 2)));
}
else if (PyInt_Check(tobj)) {
r = (int)(256 * PyInt_AsLong(tobj));
g = (int)(256 * PyInt_AsLong(PyTuple_GetItem(cobj, 1)));
b = (int)(256 * PyInt_AsLong(PyTuple_GetItem(cobj, 2)));
}
else {
PyErr_SetString(PyExc_TypeError, "tuple components must be integer or float");
return -1;
}
ccolor = rgb_alloccolor(r, g, b);
}
else if (PyString_Check(cobj)) { /* color name */
ccolor = xc_alloccolor(PyString_AsString(cobj));
}
else if (PyInt_Check(cobj)) { /* index (for backward compatibility) */
ccolor = (int)PyInt_AsLong(cobj);
}
else {
PyErr_SetString(PyExc_TypeError, "argument must be a string or 3-tuple");
return -1;
}
addnewcolorentry(ccolor);
return ccolor;
}
/*--------------------------------------------------------------*/
/* Convert a Python list to a stringpart* */
/*--------------------------------------------------------------*/
stringpart *PySetStringParts(PyObject *dval)
{
PyObject *lstr, *litem, *ditem, *sitem, *titem;
int i, j, llen;
stringpart *strptr, *newpart;
char *string;
/* If we pass a string, create a list of size 1 to hold the string. */
/* Otherwise, the argument must be a list. */
if (PyList_Check(dval)) {
lstr = dval;
}
else {
if (PyString_Check(dval)) {
lstr = PyList_New(1);
PyList_SetItem(lstr, 0, dval);
}
else {
PyErr_SetString(PyExc_TypeError, "argument must be a string or a list");
return NULL;
}
}
strptr = NULL;
llen = PyList_Size(lstr);
for (i = 0; i < llen; i++) {
newpart = makesegment(&strptr, NULL);
newpart->nextpart = NULL;
litem = PyList_GetItem(lstr, i);
if (PyDict_Check(litem)) {
if ((ditem = PyDict_GetItemString(litem, "Parameter")) != NULL) {
newpart->type = PARAM_START;
newpart->data.string = strdup(PyString_AsString(ditem));
}
else if ((ditem = PyDict_GetItemString(litem, "Font")) != NULL) {
newpart->type = FONT_NAME;
string = PyString_AsString(ditem);
for (j = 0; j < fontcount; j++)
if (!strcmp(fonts[j].psname, string)) break;
if (j == fontcount) loadfontfile(string);
newpart->data.font = j;
}
else if ((ditem = PyDict_GetItemString(litem, "Kern")) != NULL) {
newpart->type = KERN;
newpart->data.kern[0] = (int)PyInt_AsLong(PyTuple_GetItem(ditem, 0));
newpart->data.kern[1] = (int)PyInt_AsLong(PyTuple_GetItem(ditem, 1));
}
else if ((ditem = PyDict_GetItemString(litem, "Color")) != NULL) {
newpart->type = FONT_COLOR;
newpart->data.color = PyRGBToIndex(ditem);
}
else if ((ditem = PyDict_GetItemString(litem, "Font Scale")) != NULL) {
newpart->type = FONT_SCALE;
newpart->data.scale = (float)PyFloat_AsDouble(ditem);
}
else if ((ditem = PyDict_GetItemString(litem, "Text")) != NULL) {
newpart->type = TEXT_STRING;
newpart->data.string = strdup(PyString_AsString(ditem));
}
}
else if (PyString_Check(litem)) {
string = PyString_AsString(litem);
if (!strcmp(string, "End Parameter")) {
newpart->type = PARAM_END;
newpart->data.string = (u_char *)NULL;
}
else if (!strcmp(string, "Tab Stop")) {
newpart->type = TABSTOP;
}
else if (!strcmp(string, "Tab Forward")) {
newpart->type = TABFORWARD;
}
else if (!strcmp(string, "Tab Backward")) {
newpart->type = TABBACKWARD;
}
else if (!strcmp(string, "Return")) {
newpart->type = RETURN;
}
else if (!strcmp(string, "Subscript")) {
newpart->type = SUBSCRIPT;
}
else if (!strcmp(string, "Superscript")) {
newpart->type = SUPERSCRIPT;
}
else if (!strcmp(string, "Normalscript")) {
newpart->type = NORMALSCRIPT;
}
else if (!strcmp(string, "Underline")) {
newpart->type = UNDERLINE;
}
else if (!strcmp(string, "Overline")) {
newpart->type = OVERLINE;
}
else if (!strcmp(string, "No Line")) {
newpart->type = NOLINE;
}
else if (!strcmp(string, "Half Space")) {
newpart->type = HALFSPACE;
}
else if (!strcmp(string, "Quarter Space")) {
newpart->type = QTRSPACE;
}
else {
newpart->type = TEXT_STRING;
newpart->data.string = strdup(string);
}
}
}
return strptr;
}
/*--------------------------------------------------------------*/
/* Convert a stringpart* to a Python list */
/*--------------------------------------------------------------*/
PyObject *PyGetStringParts(stringpart *thisstring)
{
PyObject *lstr, *sdict, *stup;
int i, llen;
stringpart *strptr;
llen = stringparts(thisstring);
lstr = PyList_New(llen);
for (strptr = thisstring, i = 0; strptr != NULL;
strptr = strptr->nextpart, i++) {
switch(strptr->type) {
case TEXT_STRING:
sdict = PyDict_New();
PyDict_SetItem(sdict, PyString_FromString("Text"),
PyString_FromString(strptr->data.string));
PyList_SetItem(lstr, i, sdict);
break;
case PARAM_START:
sdict = PyDict_New();
PyDict_SetItem(sdict, PyString_FromString("Parameter"),
PyString_FromString(strptr->data.string));
PyList_SetItem(lstr, i, sdict);
break;
case PARAM_END:
PyList_SetItem(lstr, i, PyString_FromString("End Parameter"));
break;
case FONT_NAME:
sdict = PyDict_New();
PyDict_SetItem(sdict, PyString_FromString("Font"),
PyString_FromString(fonts[strptr->data.font].psname));
PyList_SetItem(lstr, i, sdict);
break;
case FONT_SCALE:
sdict = PyDict_New();
PyDict_SetItem(sdict, PyString_FromString("Font Scale"),
PyFloat_FromDouble((double)strptr->data.scale));
PyList_SetItem(lstr, i, sdict);
break;
case KERN:
sdict = PyDict_New();
stup = PyTuple_New(2);
PyTuple_SetItem(stup, 0, PyInt_FromLong((long)strptr->data.kern[0]));
PyTuple_SetItem(stup, 1, PyInt_FromLong((long)strptr->data.kern[1]));
PyDict_SetItem(sdict, PyString_FromString("Kern"), stup);
PyList_SetItem(lstr, i, sdict);
break;
case FONT_COLOR:
stup = PyIndexToRGB(strptr->data.color);
if (stup != NULL) {
sdict = PyDict_New();
PyDict_SetItem(sdict, PyString_FromString("Color"), stup);
PyList_SetItem(lstr, i, sdict);
}
break;
case TABSTOP:
PyList_SetItem(lstr, i, PyString_FromString("Tab Stop"));
break;
case TABFORWARD:
PyList_SetItem(lstr, i, PyString_FromString("Tab Forward"));
break;
case TABBACKWARD:
PyList_SetItem(lstr, i, PyString_FromString("Tab Backward"));
break;
case RETURN:
PyList_SetItem(lstr, i, PyString_FromString("Return"));
break;
case SUBSCRIPT:
PyList_SetItem(lstr, i, PyString_FromString("Subscript"));
break;
case SUPERSCRIPT:
PyList_SetItem(lstr, i, PyString_FromString("Superscript"));
break;
case NORMALSCRIPT:
PyList_SetItem(lstr, i, PyString_FromString("Normalscript"));
break;
case UNDERLINE:
PyList_SetItem(lstr, i, PyString_FromString("Underline"));
break;
case OVERLINE:
PyList_SetItem(lstr, i, PyString_FromString("Overline"));
break;
case NOLINE:
PyList_SetItem(lstr, i, PyString_FromString("No Line"));
break;
case HALFSPACE:
PyList_SetItem(lstr, i, PyString_FromString("Half Space"));
break;
case QTRSPACE:
PyList_SetItem(lstr, i, PyString_FromString("Quarter Space"));
break;
}
}
return lstr;
}
/*--------------------------------------------------------------*/
/* Check if the handle (integer) is an existing element */
/*--------------------------------------------------------------*/
genericptr *CheckHandle(PyObject *ehandle)
{
genericptr *gelem;
int i, j;
long int eaddr;
objectptr thisobj;
Library *thislib;
eaddr = PyInt_AsLong(ehandle);
for (gelem = topobject->plist; gelem < topobject->plist +
topobject->parts; gelem++)
if ((long int)(*gelem) == eaddr) goto exists;
/* Okay, it isn't in topobject. Try all other pages. */
for (i = 0; i < xobjs.pages; i++) {
if (xobjs.pagelist[i]->pageinst == NULL) continue;
thisobj = xobjs.pagelist[i]->pageinst->thisobject;
for (gelem = thisobj->plist; gelem < thisobj->plist + thisobj->parts; gelem++)
if ((long int)(*gelem) == eaddr) goto exists;
}
/* Still not found? Maybe in a library */
for (i = 0; i < xobjs.numlibs; i++) {
thislib = xobjs.userlibs + i;
for (j = 0; j < thislib->number; j++) {
thisobj = thislib->library[j];
for (gelem = thisobj->plist; gelem < thisobj->plist + thisobj->parts; gelem++)
if ((long int)(*gelem) == eaddr) goto exists;
}
}
/* Either in the delete list (where we don't want to go) or */
/* is an invalid number. */
return NULL;
exists:
return gelem;
}
/*--------------------------------------------------------------*/
/* Check if the handle (integer) is an existing page */
/*--------------------------------------------------------------*/
objectptr CheckPageHandle(PyObject *ehandle)
{
int pageno;
long int eaddr;
eaddr = PyInt_AsLong(ehandle);
pageno = is_page((objectptr)eaddr);
if (pageno < 0) return NULL;
return (objectptr)eaddr;
}
/*--------------------------------------------------------------*/
/* Form a 2-tuple from a pair of integers. */
/*--------------------------------------------------------------*/
static PyObject *make_pair(XPoint *thispoint)
{
PyObject *dtup;
dtup = PyTuple_New(2);
PyTuple_SetItem(dtup, 0,
PyInt_FromLong((long)(thispoint->x)));
PyTuple_SetItem(dtup, 1,
PyInt_FromLong((long)(thispoint->y)));
return dtup;
}
/*--------------------------------------------------------------*/
/* Get the properties of a page (returned as a dictionary) */
/*--------------------------------------------------------------*/
static PyObject *xc_getpage(PyObject *self, PyObject *args)
{
Pagedata *thispage;
PyObject *rdict, *dlist;
int pageno = areawin->page + 1, i;
if (!PyArg_ParseTuple(args, "|d:getpage", &pageno))
return NULL;
if (pageno <= 0 || pageno > xobjs.pages) return NULL;
else pageno--;
thispage = xobjs.pagelist[pageno];
rdict = PyDict_New();
PyDict_SetItem(rdict, PyString_FromString("filename"),
PyString_FromString(thispage->filename));
PyDict_SetItem(rdict, PyString_FromString("page label"),
PyString_FromString(thispage->pageinst->thisobject->name));
PyDict_SetItem(rdict, PyString_FromString("output scale"),
PyFloat_FromDouble((double)thispage->outscale));
/* To be done: change these from internal units to "natural" units */
PyDict_SetItem(rdict, PyString_FromString("grid space"),
PyFloat_FromDouble((double)thispage->gridspace));
PyDict_SetItem(rdict, PyString_FromString("snap space"),
PyFloat_FromDouble((double)thispage->snapspace));
PyDict_SetItem(rdict, PyString_FromString("orientation"),
PyInt_FromLong((long)thispage->orient));
PyDict_SetItem(rdict, PyString_FromString("output mode"),
PyInt_FromLong((long)thispage->pmode));
PyDict_SetItem(rdict, PyString_FromString("coordinate style"),
PyInt_FromLong((long)thispage->coordstyle));
PyDict_SetItem(rdict, PyString_FromString("page size"),
make_pair(&(thispage->pagesize)));
PyDict_SetItem(rdict, PyString_FromString("drawing scale"),
make_pair(&(thispage->drawingscale)));
return rdict;
}
/*--------------------------------------------------------------*/
/* Get the properties of a library (returned as a dictionary) */
/*--------------------------------------------------------------*/
static PyObject *xc_getlibrary(PyObject *self, PyObject *args)
{
PyObject *rdict, *dlist;
const char *lname = NULL;
objectptr *curlib = NULL, thisobj;
char *errptr;
int i, lpage;
int curobjs;
if (!PyArg_ParseTuple(args, "s:getlibrary", &lname))
return NULL;
lpage = strtol(lname, &errptr, 10);
if (*lname != '\0' && *errptr == '\0' && lpage <= xobjs.numlibs &&
lpage > 0) { /* numerical */
curlib = xobjs.userlibs[lpage - 1].library;
}
else {
for (lpage = 0; lpage < xobjs.numlibs; lpage++) {
if (!strcmp(lname, xobjs.libtop[lpage + LIBRARY]->thisobject->name)) {
curlib = xobjs.userlibs[lpage - 1].library;
break;
}
else if (!strncmp(xobjs.libtop[lpage + LIBRARY]->thisobject->name,
"Library: ", 9)) {
if (!strcmp(lname, xobjs.libtop[lpage + LIBRARY]->thisobject->name + 9)) {
curlib = xobjs.userlibs[lpage - 1].library;
break;
}
}
}
}
if (curlib == NULL) {
PyErr_SetString(PyExc_TypeError,
"getlibrary() 2nd argument must be a library page or name");
return NULL;
}
curobjs = xobjs.userlibs[lpage - 1].number;
/* Argument to getlibrary() can be a library name or library page # */
rdict = PyDict_New();
PyDict_SetItem(rdict, PyString_FromString("name"),
PyString_FromString(xobjs.libtop[lpage + LIBRARY]->thisobject->name));
if (curobjs > 0) {
dlist = PyList_New(curobjs);
for (i = 0; i < curobjs; i++) {
thisobj = *(curlib + i);
PyList_SetItem(dlist, i, PyString_FromString(thisobj->name));
}
PyDict_SetItem(rdict, PyString_FromString("objects"), dlist);
}
return rdict;
}
/*--------------------------------------------------------------*/
/* Get the properties of an object (returned as a dictionary) */
/*--------------------------------------------------------------*/
static PyObject *xc_getobject(PyObject *self, PyObject *args)
{
objectptr thisobj = NULL, *libobj;
oparamptr ops;
PyObject *rdict, *dlist, *tpos;
const char *oname;
int i, j, k, nparam;
if (!PyArg_ParseTuple(args, "s:getobject", &oname))
return NULL;
for (k = 0; k < xobjs.numlibs; k++) {
for (j = 0; j < xobjs.userlibs[k].number; j++) {
libobj = xobjs.userlibs[k].library + j;
if (!strcmp(oname, (*libobj)->name)) {
thisobj = *libobj;
break;
}
}
if (thisobj != NULL) break;
}
if (thisobj == NULL) { /* try the page objects */
for (k = 0; k < xobjs.pages; k++) {
if (xobjs.pagelist[k]->pageinst != NULL)
if (!strcmp(oname, xobjs.pagelist[k]->pageinst->thisobject->name))
break;
}
if (k == xobjs.pages) return NULL; /* not found */
}
/* return all the object's properties as a dictionary */
rdict = PyDict_New();
PyDict_SetItem(rdict, PyString_FromString("name"),
PyString_FromString(thisobj->name));
PyDict_SetItem(rdict, PyString_FromString("width"),
PyInt_FromLong((long)(thisobj->bbox.width)));
PyDict_SetItem(rdict, PyString_FromString("height"),
PyInt_FromLong((long)(thisobj->bbox.height)));
PyDict_SetItem(rdict, PyString_FromString("viewscale"),
PyFloat_FromDouble((double)(thisobj->viewscale)));
tpos = PyTuple_New(2);
PyTuple_SetItem(tpos, 0, PyInt_FromLong((long)thisobj->bbox.lowerleft.x));
PyTuple_SetItem(tpos, 1, PyInt_FromLong((long)thisobj->bbox.lowerleft.y));
PyDict_SetItem(rdict, PyString_FromString("boundingbox"), tpos);
tpos = PyTuple_New(2);
PyTuple_SetItem(tpos, 0, PyInt_FromLong((long)thisobj->pcorner.x));
PyTuple_SetItem(tpos, 1, PyInt_FromLong((long)thisobj->pcorner.y));
PyDict_SetItem(rdict, PyString_FromString("viewcorner"), tpos);
dlist = PyList_New(thisobj->parts);
for (i = 0; i < thisobj->parts; i++)
PyList_SetItem(dlist, i, PyInt_FromLong((long)(*(thisobj->plist + i))));
PyDict_SetItem(rdict, PyString_FromString("parts"), dlist);
nparam = get_num_params(thisobj);
if (nparam > 0) {
dlist = PyList_New(nparam);
i = 0;
for (ops = thisobj->params; ops != NULL; ops = ops->next) {
i++;
if (ops->type == XC_INT)
PyList_SetItem(dlist, i, PyInt_FromLong((long)(ops->parameter.ivalue)));
else if (ops->type == XC_FLOAT)
PyList_SetItem(dlist, i,
PyFloat_FromDouble((double)(ops->parameter.fvalue)));
else if (ops->type == XC_STRING)
PyList_SetItem(dlist, i, PyGetStringParts(ops->parameter.string));
}
PyDict_SetItem(rdict, PyString_FromString("parameters"), dlist);
}
return rdict;
}
/*--------------------------------------------------------------*/
/* Reset the current page */
/*--------------------------------------------------------------*/
static PyObject *xc_reset()
{
resetbutton(NULL, (pointertype)0, NULL);
return PyInt_FromLong(0L);
}
/*--------------------------------------------------------------*/
/* Get a netlist */
/*--------------------------------------------------------------*/
extern PyObject *pyglobals(objectptr);
extern PyObject *pytoplevel(objectptr);
static PyObject *xc_netlist()
{
PyObject *rdict = NULL;
if (updatenets(areawin->topinstance, FALSE) <= 0) {
PyErr_SetString(PyExc_TypeError, "Error: Check circuit for infinite recursion.");
return NULL;
}
rdict = PyDict_New();
PyDict_SetItem(rdict, PyString_FromString("globals"), pyglobals(topobject));
PyDict_SetItem(rdict, PyString_FromString("circuit"), pytoplevel(topobject));
return rdict;
}
/*--------------------------------------------------------------*/
/* Load the specified file */
/*--------------------------------------------------------------*/
static PyObject *xc_load(PyObject *self, PyObject *args)
{
char *filename;
int pageno = 0, savepage;
if (!PyArg_ParseTuple(args, "s|i:load", &filename, &pageno))
return PyInt_FromLong((long)areawin->page);
if (--pageno < 0) pageno = areawin->page;
savepage = areawin->page;
strcpy(_STR2, filename);
if (savepage != pageno) newpage(pageno);
startloadfile(-1);
if (savepage != pageno) newpage(savepage);
return PyString_FromString(filename);
}
/*--------------------------------------------------------------*/
/* Go to the specified page */
/*--------------------------------------------------------------*/
static PyObject *xc_page(PyObject *self, PyObject *args)
{
int pageno;
if (!PyArg_ParseTuple(args, "i:page", &pageno))
return PyInt_FromLong((long)areawin->page);
newpage(pageno - 1);
return PyInt_FromLong((long)pageno);
}
/*--------------------------------------------------------------*/
/* Zoom */
/*--------------------------------------------------------------*/
static PyObject *xc_zoom(PyObject *self, PyObject *args)
{
float factor, save;
if (!PyArg_ParseTuple(args, "f:zoom", &factor))
return NULL;
if (factor <= 0) {
PyErr_SetString(PyExc_TypeError, "Argument must be positive.");
return NULL;
}
save = areawin->zoomfactor;
if (factor < 1.0) {
areawin->zoomfactor = 1.0 / factor;
zoomout(0, 0); /* Needs to be fixed---give x, y for drag fn */
}
else {
areawin->zoomfactor = factor;
zoomin(0, 0); /* Needs to be fixed---see above */
}
areawin->zoomfactor = save;
return PyFloat_FromDouble((double)topobject->viewscale);
}
/*--------------------------------------------------------------*/
/* Pan */
/*--------------------------------------------------------------*/
static PyObject *xc_pan(PyObject *self, PyObject *args)
{
PyObject *cornerpos, *xobj, *yobj = NULL, *pval;
int x, y;
XPoint upoint, wpoint;
if (!PyArg_ParseTuple(args, "O|O:pan", &xobj, &yobj))
return NULL;
if (yobj == NULL) {
if (PyTuple_Check(xobj) && PyTuple_Size(xobj) == 2) {
if ((pval = PyTuple_GetItem(xobj, 0)) != NULL)
upoint.x = PyInt_AsLong(pval);
if ((pval = PyTuple_GetItem(xobj, 1)) != NULL)
upoint.y = PyInt_AsLong(pval);
}
else return NULL;
}
else {
upoint.x = PyInt_AsLong(xobj);
upoint.y = PyInt_AsLong(yobj);