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account for reel borders when laying out tablets #1036

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nick black 2020-10-05 16:46:56 -04:00
parent 1eff105cb9
commit 4d95ae185f
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 22 additions and 4 deletions
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26
src/lib/reel.c
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@ -222,6 +222,13 @@ tablet_geom(const ncreel* nr, nctablet* t, int* begx, int* begy,
if(!(nr->ropts.bordermask & NCBOXMASK_RIGHT)){
--*lenx;
}
if(!(nr->ropts.bordermask & NCBOXMASK_TOP)){
++*begy;
--*leny;
}
if(!(nr->ropts.bordermask & NCBOXMASK_BOTTOM)){
--*leny;
}
// at this point, our coordinates describe the largest possible tablet for
// this ncreel. this is the correct solution for the focused tablet. other
// tablets can only grow in one of two directions, so tighten them up.
@ -233,6 +240,9 @@ tablet_geom(const ncreel* nr, nctablet* t, int* begx, int* begy,
*begy = frontiertop - *leny;
}
}
if(*leny <= 0 || *lenx <= 0){
return -1;
}
return 0;
}
@ -256,7 +266,7 @@ ncreel_draw_tablet(const ncreel* nr, nctablet* t, int frontiertop,
//fprintf(stderr, "no room: %p base %d/%d len %d/%d dir %d\n", t, begy, begx, leny, lenx, direction);
return -1;
}
//fprintf(stderr, "tplacement: %p base %d/%d len %d/%d frontiery %d %d dir %d\n", t, begy, begx, leny, lenx, frontiertop, frontierbottom, direction);
//fprintf(stderr, "p tplacement: %p base %d/%d len %d/%d frontiery %d %d dir %d\n", t, begy, begx, leny, lenx, frontiertop, frontierbottom, direction);
ncplane* fp = ncplane_new(nr->p, leny, lenx, begy, begx, NULL, "tab");
if((t->p = fp) == NULL){
//fprintf(stderr, "failure creating border plane %d %d %d %d\n", leny, lenx, begy, begx);
@ -276,7 +286,7 @@ ncreel_draw_tablet(const ncreel* nr, nctablet* t, int frontiertop,
++cbx;
}
if(cbleny - cby + 1 > 0){
//fprintf(stderr, "CREATING %dx%d\n", cbleny, cblenx);
//fprintf(stderr, "cbp placement %dx%d @ %dx%d\n", cbleny, cblenx, cby, cbx);
t->cbp = ncplane_new(t->p, cbleny, cblenx, cby, cbx, NULL, "tdat");
if(t->cbp == NULL){
//fprintf(stderr, "failure creating data plane %d %d %d %d\n", cbleny, cblenx, cby, cbx);
@ -329,9 +339,10 @@ ncreel_draw_tablet(const ncreel* nr, nctablet* t, int frontiertop,
static nctablet*
draw_following_tablets(const ncreel* nr, nctablet* otherend,
int frontiertop, int* frontierbottom){
const bool botborder = !(nr->ropts.bordermask & NCBOXMASK_BOTTOM);
//fprintf(stderr, "following otherend: %p ->p: %p %d/%d\n", otherend, otherend->p, frontiertop, *frontierbottom);
nctablet* working = nr->tablets->next;
const int maxx = ncplane_dim_y(nr->p) - 1;
const int maxx = ncplane_dim_y(nr->p) - 1 - botborder;
// move down past the focused tablet, filling up the reel to the bottom
while(*frontierbottom <= maxx && (working != otherend || !otherend->p)){
if(working->p){
@ -358,10 +369,11 @@ draw_following_tablets(const ncreel* nr, nctablet* otherend,
static nctablet*
draw_previous_tablets(const ncreel* nr, nctablet* otherend,
int* frontiertop, int frontierbottom){
const bool topborder = !(nr->ropts.bordermask & NCBOXMASK_TOP);
nctablet* upworking = nr->tablets->prev;
//fprintf(stderr, "preceding %p otherend: %p ->p: %p frontiers: %d %d\n", upworking, otherend, otherend->p, *frontiertop, frontierbottom);
// modify frontier based off the one we're at
while(*frontiertop >= 0 && (upworking != otherend || !otherend->p)){
while(*frontiertop >= topborder && (upworking != otherend || !otherend->p)){
if(upworking->p){
break;
}
@ -650,6 +662,7 @@ int ncreel_redraw(ncreel* nr){
if(focused){
//fprintf(stderr, "drawing focused tablet %p dir: %d fulcrum: %d!\n", focused, nr->direction, fulcrum);
if(ncreel_draw_tablet(nr, focused, fulcrum, fulcrum, DIRECTION_DOWN)){
logerror(nr->p->nc, "Error drawing tablet\n");
return -1;
}
//fprintf(stderr, "drew focused tablet %p -> %p lastdir: %d!\n", focused, focused->p, nr->direction);
@ -661,21 +674,25 @@ int ncreel_redraw(ncreel* nr){
if(nr->direction == LASTDIRECTION_DOWN){
otherend = draw_previous_tablets(nr, otherend, &frontiertop, frontierbottom);
if(otherend == NULL){
logerror(nr->p->nc, "Error drawing higher tablets\n");
return -1;
}
otherend = draw_following_tablets(nr, otherend, frontiertop, &frontierbottom);
}else{ // DIRECTION_UP
otherend = draw_previous_tablets(nr, otherend, &frontiertop, frontierbottom);
if(otherend == NULL){
logerror(nr->p->nc, "Error drawing higher tablets\n");
return -1;
}
otherend = draw_following_tablets(nr, otherend, frontiertop, &frontierbottom);
}
if(otherend == NULL){
logerror(nr->p->nc, "Error drawing following tablets\n");
return -1;
}
//notcurses_debug(nr->p->nc, stderr);
if(tighten_reel(nr)){
logerror(nr->p->nc, "Error tightening reel\n");
return -1;
}
//notcurses_debug(nr->p->nc, stderr);
@ -683,6 +700,7 @@ int ncreel_redraw(ncreel* nr){
nr->vft = nr->tablets; // update the visually-focused tablet pointer
//fprintf(stderr, "DONE ARRANGING\n");
if(draw_ncreel_borders(nr)){
logerror(nr->p->nc, "Error drawing reel borders\n");
return -1; // enforces specified dimensional minima
}
return 0;