- if(maxw>0 && p->brush!=NULL){
- char *tmp=grbrush_make_label(p->brush, str, maxw);
- if(tmp!=NULL){
- infowin_do_set_text(p, tmp);
- free(tmp);
- set=TRUE;
+ if(str==NULL){
+ INFOWIN_BUFFER(p)[0]='\0';
+ }else{
+ if(maxw>0 && p->brush!=NULL){
+ char *tmp=grbrush_make_label(p->brush, str, maxw);
+ if(tmp!=NULL){
+ infowin_do_set_text(p, tmp);
+ free(tmp);
+ set=TRUE;
+ }