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move_family_{below,above}() need return int #2232

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nick black 2021-10-04 13:41:14 -04:00
parent a2837a9754
commit 518eca2f60
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4 changed files with 20 additions and 14 deletions
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8
USAGE.md
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@ -1121,11 +1121,11 @@ int ncplane_move_above(struct ncplane* RESTRICT n,
int ncplane_move_below(struct ncplane* RESTRICT n,
struct ncplane* RESTRICT below);
void ncplane_move_family_above(struct ncplane* RESTRICT n,
struct ncplane* RESTRICT above);
int ncplane_move_family_above(struct ncplane* RESTRICT n,
struct ncplane* RESTRICT above);
void ncplane_move_family_below(struct ncplane* RESTRICT n,
struct ncplane* RESTRICT below);
int ncplane_move_family_below(struct ncplane* RESTRICT n,
struct ncplane* RESTRICT below);
// Return the ncplane below this one, or NULL if this is at the stack's bottom.
struct ncplane* ncplane_below(struct ncplane* n);

8
doc/man/man3/notcurses_plane.3.md
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@ -95,9 +95,9 @@ typedef struct ncplane_options {
**int ncplane_base(struct ncplane* ***ncp***, nccell* ***c***);**
**int ncplane_move_top(struct ncplane* ***n***);**
**void ncplane_move_top(struct ncplane* ***n***);**
**int ncplane_move_bottom(struct ncplane* ***n***);**
**void ncplane_move_bottom(struct ncplane* ***n***);**
**void ncplane_move_family_top(struct ncplane* ***n***);**
@ -107,9 +107,9 @@ typedef struct ncplane_options {
**int ncplane_move_below(struct ncplane* restrict ***n***, struct ncplane* restrict ***targ***);**
**void ncplane_move_family_above(struct ncplane* restrict ***n***, struct ncplane* restrict ***targ***);**
**int ncplane_move_family_above(struct ncplane* restrict ***n***, struct ncplane* restrict ***targ***);**
**void ncplane_move_family_below(struct ncplane* restrict ***n***, struct ncplane* restrict ***targ***);**
**int ncplane_move_family_below(struct ncplane* restrict ***n***, struct ncplane* restrict ***targ***);**
**struct ncplane* ncplane_below(struct ncplane* ***n***);**

4
include/notcurses/notcurses.h
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@ -1658,10 +1658,10 @@ API void ncplane_move_bottom(struct ncplane* n)
// reinserted planes. For a plane E bound to C, with z-ordering A B C D E,
// moving the C family to the top results in C E A B D, while moving it to
// the bottom results in A B D C E.
API void ncplane_move_family_above(struct ncplane* n, struct ncplane* targ)
API int ncplane_move_family_above(struct ncplane* n, struct ncplane* targ)
__attribute__ ((nonnull (1)));
API void ncplane_move_family_below(struct ncplane* n, struct ncplane* targ)
API int ncplane_move_family_below(struct ncplane* n, struct ncplane* targ)
__attribute__ ((nonnull (1)));
__attribute__ ((nonnull (1)))

14
src/lib/notcurses.c
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@ -1453,10 +1453,12 @@ void ncplane_move_bottom(ncplane* n){
}
// if above is NULL, we're moving to the bottom
void ncplane_move_family_above(ncplane* restrict n, ncplane* restrict bpoint){
int ncplane_move_family_above(ncplane* restrict n, ncplane* restrict bpoint){
ncplane* above = ncplane_above(n);
ncplane* below = ncplane_below(n);
ncplane_move_above(n, bpoint);
if(ncplane_move_above(n, bpoint)){
return -1;
}
// traverse the planes above n, until we hit NULL. do the planes above n
// first, so that we know the topmost element of our new ensplicification.
// at this point, n is the bottommost plane, and we're inserting above it.
@ -1481,13 +1483,16 @@ void ncplane_move_family_above(ncplane* restrict n, ncplane* restrict bpoint){
}
below = tmp;
}
return 0;
}
// if below is NULL, we're moving to the top
void ncplane_move_family_below(ncplane* restrict n, ncplane* restrict bpoint){
int ncplane_move_family_below(ncplane* restrict n, ncplane* restrict bpoint){
ncplane* below = ncplane_below(n);
ncplane* above = ncplane_above(n);
ncplane_move_below(n, bpoint);
if(ncplane_move_below(n, bpoint)){
return -1;
}
// traverse the planes below n, until we hit NULL. do the planes below n
// first, so that we know the bottommost element of our new ensplicification.
// we're inserting below n...
@ -1512,6 +1517,7 @@ void ncplane_move_family_below(ncplane* restrict n, ncplane* restrict bpoint){
}
above = tmp;
}
return 0;
}
void ncplane_cursor_yx(const ncplane* n, int* y, int* x){