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uniblock: don't emit useless \u200e

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nick black 2020-01-07 03:40:15 -05:00
parent 309211e308
commit f4cda62d63
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 11 additions and 9 deletions
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20
src/demo/unicodeblocks.c
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@ -11,14 +11,18 @@
#define CHUNKSIZE 32 // show this many per line
static int
fade_block(struct ncplane* nn, const struct timespec* subdelay){
int ret = ncplane_fadein(nn, subdelay, demo_fader);
fade_block(struct notcurses* nc, struct ncplane* nn, const struct timespec* subdelay){
//int ret = ncplane_fadein(nn, subdelay, demo_fader);
int ret = notcurses_render(nc);
nanosleep(subdelay, NULL);
ncplane_destroy(nn);
return ret;
}
static int
draw_block(struct ncplane* nn, uint32_t blockstart){
int dimx, dimy;
ncplane_dim_yx(nn, &dimy, &dimx);
cell ul = CELL_TRIVIAL_INITIALIZER, ur = CELL_TRIVIAL_INITIALIZER;
cell ll = CELL_TRIVIAL_INITIALIZER, lr = CELL_TRIVIAL_INITIALIZER;
cell hl = CELL_TRIVIAL_INITIALIZER, vl = CELL_TRIVIAL_INITIALIZER;
@ -35,8 +39,7 @@ draw_block(struct ncplane* nn, uint32_t blockstart){
cell_set_fg_rgb(&vl, 255, 255, 255);
cell_set_bg_rgb(&hl, 0, 0, 0);
cell_set_bg_rgb(&vl, 0, 0, 0);
int dimx, dimy;
ncplane_dim_yx(nn, &dimy, &dimx);
ncplane_cursor_move_yx(nn, 0, 0);
if(ncplane_box_sized(nn, &ul, &ur, &ll, &lr, &hl, &vl, dimy, dimx, 0)){
return -1;
}
@ -45,11 +48,10 @@ draw_block(struct ncplane* nn, uint32_t blockstart){
int chunk;
for(chunk = 0 ; chunk < BLOCKSIZE / CHUNKSIZE ; ++chunk){
int z;
// 16 to a line
for(z = 0 ; z < CHUNKSIZE ; ++z){
wchar_t w[3] = { blockstart + chunk * CHUNKSIZE + z, L'\u200e', L'\0' };
wchar_t w[2] = { blockstart + chunk * CHUNKSIZE + z, L'\0' };
char utf8arr[MB_CUR_MAX * 2 + 1];
if(wcswidth(w, 3) >= 1 && iswprint(w[0])){
if(wcswidth(w, sizeof(w) / sizeof(*w)) >= 1 && iswgraph(w[0])){
mbstate_t ps;
memset(&ps, 0, sizeof(ps));
const wchar_t *wptr = w;
@ -68,7 +70,7 @@ draw_block(struct ncplane* nn, uint32_t blockstart){
strcpy(utf8arr, " ");
}
ncplane_set_fg_rgb(nn, 0xad + z * 2, 0xff, 0x2f - z * 2);
ncplane_set_bg_rgb(nn, 8 * chunk, 8 * chunk + z, 8 * chunk);
ncplane_set_bg_rgb(nn, 8 * chunk, 8 * chunk, 8 * chunk);
if(ncplane_putstr_yx(nn, chunk + 1, z * 2 + 1, utf8arr) < 0){
return -1;
}
@ -186,7 +188,7 @@ int unicodeblocks_demo(struct notcurses* nc){
if(ncplane_printf_aligned(n, 6 + BLOCKSIZE / CHUNKSIZE, NCALIGN_CENTER, "%s", description) <= 0){
return -1;
}
if(fade_block(nn, &subdelay)){ // destroys nn
if(fade_block(nc, nn, &subdelay)){ // destroys nn
return -1;
}
// for a 32-bit wchar_t, we would want up through 24 bits of block ID. but