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ncplane_resize: rebuild TAM #1750

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nick black 2021-06-10 01:34:27 -04:00
parent ad13e5c428
commit d7d032732f
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1 changed files with 15 additions and 0 deletions
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src/lib/notcurses.c
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@ -666,6 +666,7 @@ int ncplane_resize_internal(ncplane* n, int keepy, int keepx, int keepleny,
// we're good to resize. we'll need alloc up a new framebuffer, and copy in
// those elements we're retaining, zeroing out the rest. alternatively, if
// we've shrunk, we will be filling the new structure.
int oldarea = rows * cols;
int keptarea = keepleny * keeplenx;
int newarea = ylen * xlen;
size_t fbsize = sizeof(nccell) * newarea;
@ -673,6 +674,20 @@ int ncplane_resize_internal(ncplane* n, int keepy, int keepx, int keepleny,
if(fb == NULL){
return -1;
}
if(n->tam){
loginfo(ncplane_notcurses_const(n), "TAM realloc to %d entries\n", newarea);
tament* tmptam = realloc(n->tam, sizeof(*tmptam) * newarea);
if(tmptam == NULL){
free(fb);
return -1;
}
n->tam = tmptam;
// FIXME need to set up the entries based on new distribution for
// cell-pixel geometry change, and split across new rows
if(newarea > oldarea){
memset(n->tam + oldarea, 0, sizeof(*n->tam) * (newarea - oldarea));
}
}
// update the cursor, if it would otherwise be off-plane
if(n->y >= ylen){
n->y = ylen - 1;