static PyObject * virtkey_get_layouts(PyObject * self, PyObject *args)
{
int inout = 20;
int i=0;
virtkey * cvirt = (virtkey *)self;
XkbComponentNamesRec names;
XkbComponentNamesPtr namesPtr = &names;
namesPtr->keymap = "*";
XkbComponentListPtr components = XkbListComponents(cvirt->display,
XkbUseCoreKbd,namesPtr,&inout);
PyObject *tuple = PyTuple_New(components->num_keymaps);
for(; i<components->num_keymaps; i++){
char *name = strdup(components->keymaps[i].name);
//no error checking version of set_item because tuple is empty.
PyTuple_SET_ITEM(tuple, i, PyString_FromString(name));
}
XkbFreeComponentList(components);
return tuple;
}
XkbComponentListPtr
XkbListComponents( Display * dpy,
unsigned deviceSpec,
XkbComponentNamesPtr ptrns,
int * max_inout)
{
register xkbListComponentsReq* req;
xkbListComponentsReply rep;
XkbInfoPtr xkbi;
XkbComponentListPtr list;
XkbReadBufferRec buf;
int left;
char * str;
int extraLen,len,mapLen,codesLen,typesLen,compatLen,symsLen,geomLen;
if ( (dpy==NULL) || (dpy->flags & XlibDisplayNoXkb) ||
(!dpy->xkb_info && !XkbUseExtension(dpy,NULL,NULL)) ||
(ptrns==NULL) || (max_inout==NULL))
return NULL;
xkbi= dpy->xkb_info;
LockDisplay(dpy);
GetReq(kbListComponents, req);
req->reqType = xkbi->codes->major_opcode;
req->xkbReqType = X_kbListComponents;
req->deviceSpec = deviceSpec;
req->maxNames = *max_inout;
mapLen= codesLen= typesLen= compatLen= symsLen= geomLen= 0;
if (ptrns->keymap)
mapLen= (int)strlen(ptrns->keymap);
if (ptrns->keycodes)
codesLen= (int)strlen(ptrns->keycodes);
if (ptrns->types)
typesLen= (int)strlen(ptrns->types);
if (ptrns->compat)
compatLen= (int)strlen(ptrns->compat);
if (ptrns->symbols)
symsLen= (int)strlen(ptrns->symbols);
if (ptrns->geometry)
geomLen= (int)strlen(ptrns->geometry);
if (mapLen>255) mapLen= 255;
if (codesLen>255) codesLen= 255;
if (typesLen>255) typesLen= 255;
if (compatLen>255) compatLen= 255;
if (symsLen>255) symsLen= 255;
if (geomLen>255) geomLen= 255;
len= mapLen+codesLen+typesLen+compatLen+symsLen+geomLen+6;
len= XkbPaddedSize(len);
req->length+= len/4;
BufAlloc(char *,str,len);
*str++= mapLen;
if (mapLen>0) {
memcpy(str,ptrns->keymap,mapLen);
str+= mapLen;
}
*str++= codesLen;
if (codesLen>0) {
memcpy(str,ptrns->keycodes,codesLen);
str+= codesLen;
}
*str++= typesLen;
if (typesLen>0) {
memcpy(str,ptrns->types,typesLen);
str+= typesLen;
}
*str++= compatLen;
if (compatLen>0) {
memcpy(str,ptrns->compat,compatLen);
str+= compatLen;
}
*str++= symsLen;
if (symsLen>0) {
memcpy(str,ptrns->symbols,symsLen);
str+= symsLen;
}
*str++= geomLen;
if (geomLen>0) {
memcpy(str,ptrns->geometry,geomLen);
str+= geomLen;
}
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse))
goto BAILOUT;
extraLen= (int)rep.length*4;
*max_inout= rep.extra;
if (extraLen==0) { /* no matches, but we don't want to report a failure */
list= _XkbTypedCalloc(1,XkbComponentListRec);
UnlockDisplay(dpy);
SyncHandle();
return list;
}
if (_XkbInitReadBuffer(dpy,&buf,extraLen)) {
Status status;
status= Success;
list= _XkbTypedCalloc(1,XkbComponentListRec);
if (!list) {
_XkbFreeReadBuffer(&buf);
goto BAILOUT;
}
list->num_keymaps= rep.nKeymaps;
list->num_keycodes= rep.nKeycodes;
list->num_types= rep.nTypes;
list->num_compat= rep.nCompatMaps;
list->num_symbols= rep.nSymbols;
list->num_geometry= rep.nGeometries;
if ((status==Success)&&(list->num_keymaps>0))
list->keymaps= _ReadListing(&buf,list->num_keymaps,&status);
if ((status==Success)&&(list->num_keycodes>0))
list->keycodes= _ReadListing(&buf,list->num_keycodes,&status);
if ((status==Success)&&(list->num_types>0))
list->types= _ReadListing(&buf,list->num_types,&status);
if ((status==Success)&&(list->num_compat>0))
list->compat= _ReadListing(&buf,list->num_compat,&status);
if ((status==Success)&&(list->num_symbols>0))
list->symbols= _ReadListing(&buf,list->num_symbols,&status);
if ((status==Success)&&(list->num_geometry>0))
list->geometry= _ReadListing(&buf,list->num_geometry,&status);
left= _XkbFreeReadBuffer(&buf);
if ((status!=Success)||(buf.error)||(left>2)) {
XkbFreeComponentList(list);
goto BAILOUT;
}
UnlockDisplay(dpy);
SyncHandle();
return list;
}
BAILOUT:
UnlockDisplay(dpy);
SyncHandle();
return NULL;
}
