void del_so(QSP_ARG_DECL Screen_Obj *sop)
{
del_scrnobj(sop); // delete from database...
if( SOB_ACTION(sop) != NULL ) rls_str(SOB_ACTION(sop));
if( SOB_SELECTOR(sop) != NULL ) rls_str(SOB_SELECTOR(sop));
}
void close_pipe(QSP_ARG_DECL Pipe *pp)
{
if( pp->p_fp != NULL && pclose(pp->p_fp) == -1 ){
sprintf(ERROR_STRING,"Error closing pipe \"%s\"!?",pp->p_name);
WARN(ERROR_STRING);
}
del_pipe(QSP_ARG pp);
rls_str(pp->p_name);
rls_str(pp->p_cmd);
}
void _log_message(QSP_ARG_DECL const char *msg)
{
const char *log_time;
log_time = get_date_string(SINGLE_QSP_ARG);
if( HAS_PREV_LOG_MSG(THIS_QSP) ){
if( !strcmp(msg,PREV_LOG_MSG(THIS_QSP)) ){
INCREMENT_LOG_MSG_COUNT(THIS_QSP);
return;
} else {
unsigned long c;
if( (c=LOG_MSG_COUNT(THIS_QSP)) > 1 ){
sprintf(ERROR_STRING,
"%s: previous message was repeated %ld time%s", log_time,c-1,c==2?"":"s");
advise(ERROR_STRING);
}
}
rls_str(PREV_LOG_MSG(THIS_QSP));
} else {
SET_QS_FLAG_BITS(THIS_QSP,QS_HAS_PREV_LOG_MSG);
}
sprintf(ERROR_STRING,"%s: %s", log_time,msg);
advise(ERROR_STRING);
SET_PREV_LOG_MSG(THIS_QSP,savestr(msg));
SET_LOG_MSG_COUNT(THIS_QSP,1);
}
Disp_Obj *open_display(QSP_ARG_DECL const char *name,int desired_depth)
{
Disp_Obj *dop;
static int siz_done=0;
dop = new_disp_obj(QSP_ARG name);
if( dop == NO_DISP_OBJ ){
sprintf(ERROR_STRING, "Couldn't create object for display %s",
name);
NWARN(ERROR_STRING);
return(NO_DISP_OBJ);
}
if( dop_open(QSP_ARG dop) < 0 ){
return(NO_DISP_OBJ);
}
if( dop_setup(QSP_ARG dop,desired_depth) < 0 ){
/* Bug - XCloseDisplay?? */
/* need to destroy object here */
del_disp_obj(QSP_ARG dop);
rls_str((char *)dop->do_name);
return(NO_DISP_OBJ);
}
set_display(dop);
if( ! siz_done ){
siz_done++;
add_sizable(QSP_ARG disp_obj_itp,&dpy_sf, NULL );
}
return(dop);
}
static int dop_open( QSP_ARG_DECL Disp_Obj *dop )
{
/* BUG - on Solaris, when we have DISPLAY set to :0,
* but are on a remote server, this call hangs...
* (e.g., run iview on vision from xterm on stiles,
* w/ DISPLAY erroneously set to :0 instead of stiles:0)
* We ought to put a watchdog timer here...
*/
if ( (dop->do_dpy=XOpenDisplay(dop->do_name)) == NULL) {
sprintf(ERROR_STRING,
"dop_open: Can't open display \"%s\"\n",dop->do_name);
NWARN(ERROR_STRING);
/* remove the object */
del_disp_obj(QSP_ARG dop);
rls_str((char *)dop->do_name);
return(-1);
}
return(0);
}
static void _make_zombie(QSP_ARG_DECL Data_Obj *dp)
{
static int n_zombie=1;
char zname[LLEN];
/* this function removes it from the hash table and
* active item list, doesn't add the structure to the
* item free list. This is why we release the node
* and later free the object...
*
* I think the idea here is that there might be a dangling reference
* to an image - for instance, if we display an image, then delete it,
* and then later want to refresh the window...
*/
zombie_item(dobj_itp,(Item *)dp);
sprintf(zname,"Z.%s.%d",OBJ_NAME(dp),n_zombie++);
fprintf(stderr,"make_zombie, changing object %s to %s\n",OBJ_NAME(dp),zname);
rls_str( (char *) OBJ_NAME(dp) ); /* unsave old name, make_zombie */
SET_OBJ_NAME(dp,savestr(zname));
SET_OBJ_FLAG_BITS(dp,DT_ZOMBIE);
} // make_zombie
void _delvec(QSP_ARG_DECL Data_Obj *dp)
{
assert(dp!=NULL);
assert(OBJ_NAME(dp)!=NULL);
#ifdef ZOMBIE_SUPPORT
// This should go back in eventually!
if( OBJ_FLAGS(dp) & DT_STATIC && OWNS_DATA(dp) ){
sprintf(ERROR_STRING,"delvec: static object %s will be made a zombie",OBJ_NAME(dp));
advise(ERROR_STRING);
make_zombie(dp);
return;
}
if( OBJ_REFCOUNT(dp) > 0 ){
/* This zombie business was introduced at a time
* when a displayed image had to be kept around
* to refresh its window... with the current
* X windows implementation of viewers that is
* no longer the case, so this may be unecessary...
*
* But another case arises when we have a static
* object in the expression language, that gets
* deleted outside of the expression language.
* This shouldn't be done, but we don't want to
* be able to crash the program either...
*/
sprintf(ERROR_STRING,"delvec: object %s (refcount = %d) will be made a zombie",OBJ_NAME(dp),dp->dt_refcount);
advise(ERROR_STRING);
make_zombie(dp);
return;
}
#endif /* ZOMBIE_SUPPORT */
// If the object has been exported, we need to delete
// the associated identifier...
//
// BUT if it was exported, then it may be referenced!?
// So it should be static...
//
// If we have references, and are therefore keeping the
// object as a zombie, then we don't want to delete the
// identifier, and we probably don't want to change the
// object's name...
if( IS_EXPORTED(dp) ){
Identifier *idp;
idp = id_of(OBJ_NAME(dp));
assert( idp != NULL );
delete_id((Item *)idp);
}
if( OBJ_CHILDREN( dp ) != NULL ){
delete_subobjects(dp);
}
if( OBJ_PARENT(dp) != NULL ){
disown_child(dp);
}
if( IS_TEMP(dp) ){
if( OBJ_DECLFILE(dp) != NULL ){
sprintf(ERROR_STRING,"delvec %s: temp object has declfile %s!?\n",
OBJ_NAME(dp),OBJ_DECLFILE(dp));
advise(ERROR_STRING);
}
release_tmp_obj(dp);
/*
* Most likely called when parent is deleted.
* Temp objects are not hashed, and are not dynamically
* allocated.
*
* Simply mark as free by clearing name field.
*/
return;
}
// We might clean this up by making the release
// function a platform member...
if( OWNS_DATA(dp) ){
if( ! UNKNOWN_SHAPE(OBJ_SHAPE(dp)) ){
release_data(dp);
}
}
// In the first OpenCL implementation, we used subbuffers, which had
// to be released here even for subimages. But now we handle subobjects
// ourselves, managing offsets, so non-data-owners don't need to release.
rls_shape( OBJ_SHAPE(dp) );
// We don't need to do this if we have garbage collection?
/* The name might be null if we had an error creating the object... */
if( OBJ_DECLFILE(dp) != NULL ){
rls_str( OBJ_DECLFILE(dp) );
}
#ifdef ZOMBIE_SUPPORT
/* BUG context code assumes that this is really deleted... */
// not sure I understand the above comment?
if( IS_ZOMBIE(dp) ){
// The object is a zombie that is no longer referenced...
/* NOTE: we used to release the struct here with givbuf,
* but in the current implementation of the item package,
* objects aren't allocated with getbuf!
*/
// The object has already been removed from the dictionary,
// so we don't need to call del_item...
/* put this back on the free list... */
recycle_item(dobj_itp,dp);
} else {
del_item(dobj_itp, dp );
}
#else /* ! ZOMBIE_SUPPORT */
DELETE_OBJ_ITEM(dp); // del_dobj - item function
#endif /* ! ZOMBIE_SUPPORT */
// used to release the name here
// and set to null, but that is done in del_item
}
static COMMAND_FUNC( do_slct_obj )
{
int x, y;
const char *s;
GLuint n_names, *ptr;
GLint hits;
GLuint this_hit=0; /* initialize to silence compiler */
GLuint the_hit;
float z1,z2;
float z_this,z_min;
int clickWindowSize = 1;
GLint viewport[4];
GLint i;
GLuint j;
char ret_str[32];
x=(int)HOW_MANY("x location");
y=(int)HOW_MANY("y location");
s=NAMEOF("scene render command");
s=savestr(s);
//glPushMatrix();
glSelectBuffer(MAX_SELECT,selectBuf);
check_gl_error("glSelectBuffer");
glRenderMode(GL_SELECT);
check_gl_error("glRenderMode");
glMatrixMode(GL_PROJECTION);
check_gl_error("glMatrixMode");
glPushMatrix();
check_gl_error("glPushMatrix");
glLoadIdentity();
check_gl_error("glLoadIdentity");
glGetIntegerv(GL_VIEWPORT,viewport);
check_gl_error("glGetIntegerv");
gluPickMatrix(x,viewport[3]-y,
clickWindowSize,clickWindowSize,viewport);
check_gl_error("gluPickMatrix");
// Setup camera.
//drawer.setupCamera(&manager);
//glMatrixMode(GL_MODELVIEW);
glInitNames();
check_gl_error("glInitNames");
glPushName(0);
check_gl_error("glPushName");
//drawer.drawAirspace(&manager, &table);
/* Call the user's draw routine here... */
chew_text(s, "(gl object selection)" );
rls_str(s);
// Restoring the original projection matrix.
glMatrixMode(GL_PROJECTION);
check_gl_error("glMatrixMode GL_PROJECTION");
glPopMatrix();
check_gl_error("glPopMatrix");
glMatrixMode(GL_MODELVIEW);
check_gl_error("glMatrixMode GL_MODELVIEW");
glFlush();
check_gl_error("glFlush");
// Returning to normal rendering mode.
hits = glRenderMode(GL_RENDER);
//printf ("hits = %d\n", hits);
// Red book example.
// When there are multiple objects, the hits are recorded
// in drawing order, we have to check the z values to know
// which is the foreground object.
z_min=100000;
ptr = (GLuint *) selectBuf;
for (i = 0; i < hits; i++) {
n_names = *ptr++;
z1= ((float)*ptr++)/0x7fffffff;
z2= ((float)*ptr++)/0x7fffffff;
if( z1 < z2 ) z_this = z1;
else z_this=z2;
if( z_this < z_min ) z_min=z_this;
for(j=0;j<n_names;j++){
this_hit=*ptr++;
}
// sprintf(ERROR_STRING,"Hit %d, %d from %g to %g, last is %d",
// i,n_names,z1,z2,this_hit);
// advise(ERROR_STRING);
}
the_hit=0;
ptr = (GLuint *) selectBuf;
for (i = 0; i < hits; i++) {
n_names = *ptr++;
z1= ((float)*ptr++)/0x7fffffff;
z2= ((float)*ptr++)/0x7fffffff;
if( z1 < z2 ) z_this = z1;
else z_this=z2;
for(j=0;j<n_names;j++){
this_hit=*ptr++;
}
if( z_this == z_min )
the_hit=this_hit;
}
//sprintf(ERROR_STRING,"front-most hit is %d",the_hit);
//advise(ERROR_STRING);
sprintf(ret_str,"%d",the_hit);
assign_reserved_var("selection_index",ret_str);
//if (hits != 0) {
//manager.advanceTrial(processHits());
//}
//glPopMatrix();
/* Set a variable to indicate what happened */
}
static void release_container(Container *cnt_p)
{
rls_str((char *)cnt_p->name);
givbuf(cnt_p);
}
long _recv_img_file(QSP_ARG_DECL Port *mpp, /* char **bufp */ Packet *pkp )
{
long len;
Image_File *old_ifp, *new_ifp;
char namebuf[LLEN];
Image_File imgf, *ifp;
long code;
ifp=(&imgf);
len=get_port_int32(mpp);
if( len <= 0 ) goto error_return;
#ifdef QUIP_DEBUG
if( debug & debug_data ){
sprintf(ERROR_STRING,
"recv_file: want %ld name bytes",len);
advise(ERROR_STRING);
}
#endif /* QUIP_DEBUG */
if( (ifp->if_nfrms = get_port_int32(mpp)) == BAD_PORT_LONG ||
(ifp->if_ftp = filetype_for_code( QSP_ARG (filetype_code) get_port_int32(mpp))) == NULL ||
(ifp->if_flags = (short) get_port_int32(mpp)) == (short)BAD_PORT_LONG ){
warn("error getting image file data");
goto error_return;
}
if( len > LLEN ){
warn("more than LLEN name chars!?");
goto error_return;
}
if( read_port(mpp,namebuf,len) != len ){
warn("recv_file: error reading data object name");
goto error_return;
}
/* where does the string get null-terminated? */
if( (long)strlen( namebuf ) != len-1 ){
u_int i;
sprintf(ERROR_STRING,"name length %ld, expected %ld",
(long)strlen(namebuf), len-1);
advise(ERROR_STRING);
sprintf(ERROR_STRING,"name: \"%s\"",namebuf);
advise(ERROR_STRING);
for(i=0;i<strlen(namebuf);i++){
sprintf(ERROR_STRING,"name[%d] = '%c' (0%o)",
i,namebuf[i],namebuf[i]);
advise(ERROR_STRING);
}
error1("choked");
}
old_ifp=img_file_of(namebuf);
if( old_ifp != NULL ){
del_img_file(old_ifp);
rls_str((char *)old_ifp->if_name); // BUG? release name here or not?
old_ifp = NULL;
}
new_ifp=new_img_file(namebuf);
if( new_ifp==NULL ){
sprintf(ERROR_STRING,
"recv_file: couldn't create file struct \"%s\"",
namebuf);
warn(ERROR_STRING);
goto error_return;
}
new_ifp->if_nfrms = imgf.if_nfrms;
new_ifp->if_ftp = filetype_for_code(QSP_ARG IFT_NETWORK);
new_ifp->if_flags = imgf.if_flags;
new_ifp->if_dp = NULL; /* BUG should receive? */
new_ifp->if_pathname = new_ifp->if_name;
code = get_port_int32(mpp);
if( code == -1 )
error1("error port code received!?");
if( code != P_DATA ){
sprintf(ERROR_STRING,
"recv_file: expected data object packet to complete transmission of file %s!?",
new_ifp->if_name);
error1(ERROR_STRING);
}
// the cast generates a compiler warning???
if( recv_obj(mpp, pkp ) != sizeof(Data_Obj) ){
warn("Error receiving data object!?");
goto error_return;
}
// The packet returns the dp in pk_extra...
return sizeof(*new_ifp); // BUG - what size should we return???
error_return:
return -1;
}
void rls_stringref( String_Ref *srp )
{
rls_str(srp->sr_string);
givbuf(srp);
}
