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[ncplane_put] implement autogrow in both dimensions #2440

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nick black 2021-12-08 01:06:33 -05:00 committed by nick black
parent fff05e54ab
commit bda4748096
1 changed files with 16 additions and 9 deletions
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25
src/lib/notcurses.c
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@ -1640,6 +1640,10 @@ void scroll_down(ncplane* n){
//fprintf(stderr, "pre-scroll: %d/%d %d/%d log: %d scrolling: %u\n", n->y, n->x, n->leny, n->lenx, n->logrow, n->scrolling);
n->x = 0;
if(n->y == n->leny - 1){
if(n->autogrow){
ncplane_resize_simple(n, n->leny + 1, n->lenx);
return;
}
if(n == notcurses_stdplane(ncplane_notcurses(n))){
ncplane_pile(n)->scrolls++;
}
@ -1734,24 +1738,27 @@ ncplane_put(ncplane* n, int y, int x, const char* egc, int cols,
// line. if scrolling is enabled, move to the next line if so. if x or y are
// specified, we must always try to print at exactly that location, and
// there's no need to check the present location in that dimension.
bool linesend = false;
if(x < 0){
// we checked x for all negatives, but only -1 is valid (our else clause is
// predicated on a non-negative x).
if(x == -1){
if(n->x + cols - 1 >= n->lenx){
if(n->scrolling){
scroll_down(n);
}else if(n->autogrow){
// FIXME groooooow to the right
}else{
logerror("target x %d [%.*s] > length %d\n", n->x, bytes, egc, n->lenx);
return -1;
}
linesend = true;
}
}
}else{
if((unsigned)x + cols - 1 >= n->lenx){
logerror("no room for %d cols [%.*s] at length %d\n", cols, bytes, egc, n->lenx);
linesend = true;
}
}
if(linesend){
if(n->scrolling){
scroll_down(n);
}else if(n->autogrow){
ncplane_resize_simple(n, n->leny, n->lenx + cols);
}else{
logerror("target x %d [%.*s] > length %d\n", n->x, bytes, egc, n->lenx);
return -1;
}
}