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textplayer: support longdelay on '…'

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nick black 2021-05-10 19:26:26 -04:00 committed by Nick Black
parent 52ebb71ac9
commit e7d40e00e3
1 changed files with 42 additions and 7 deletions
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49
src/poc/textplay.c
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@ -3,7 +3,9 @@
static const uint32_t LOWCOLOR = 0x004080;
static const uint32_t HICOLOR = 0xddffdd;
static const uint32_t NANOSEC = 1000000000ull / 60; // 60 cps
static const uint32_t GIG = 1000000000ull;
static const uint32_t NANOSEC = GIG / 60; // 60 cps
static const int FRAMERATIO = 2; // display 1 of every FRAMERATIO frames
#define MARGIN 2
static struct notcurses*
@ -60,6 +62,34 @@ colorize(struct ncplane* n){
return 0;
}
// whenever the text indicates a lengthy delay, keep the frame rolling...
static int
longdelay(struct notcurses* nc, struct ncvisual* ncv, struct ncvisual_options* vopts){
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
uint64_t nowns, deadlinens;
nowns = now.tv_sec * GIG + now.tv_nsec;
deadlinens = nowns + 5ull * GIG;
do{
if(ncv){
for(int i = 0 ; i < FRAMERATIO ; ++i){
ncvisual_decode(ncv);
}
if(ncvisual_render(nc, ncv, vopts) == NULL){
return -1;
}
if(notcurses_render(nc)){
return -1;
}
}else{
// FIXME clock_nanosleep
}
clock_gettime(CLOCK_MONOTONIC, &now);
nowns = now.tv_sec * GIG + now.tv_nsec;
}while(nowns < deadlinens);
return 0;
}
static int
textplay(struct notcurses* nc, struct ncplane* tplane, struct ncvisual* ncv){
char* buf = NULL;
@ -110,10 +140,15 @@ textplay(struct notcurses* nc, struct ncplane* tplane, struct ncvisual* ncv){
if(!ncv){
clock_nanosleep(CLOCK_MONOTONIC, 0, &ts, NULL);
}else{
for(int i = 0 ; i < 2 ; ++i){
for(int i = 0 ; i < FRAMERATIO ; ++i){
ncvisual_decode(ncv);
}
}
if(wc == L'…'){
if(longdelay(nc, ncv, &vopts)){
goto err;
}
}
}
ncplane_destroy(vopts.n);
return 0;
@ -131,16 +166,16 @@ textplane(struct notcurses* nc){
struct ncplane_options nopts = {
.y = MARGIN * 2 + 2,
.x = MARGIN * 4 + 2,
.rows = dimy - MARGIN * 4,
.rows = dimy - MARGIN * 4 + 1,
.cols = dimx - MARGIN * 8,
.name = "text",
};
struct ncplane* n = ncplane_create(stdn, &nopts);
uint64_t channels = 0;
ncchannels_set_fg_alpha(&channels, CELL_ALPHA_TRANSPARENT);
ncchannels_set_bg_alpha(&channels, CELL_ALPHA_TRANSPARENT);
uint64_t channels = CHANNELS_RGB_INITIALIZER(0, 0, 0, 0x22, 0x22, 0x22);
/*ncchannels_set_fg_alpha(&channels, CELL_ALPHA_TRANSPARENT);
ncchannels_set_bg_alpha(&channels, CELL_ALPHA_TRANSPARENT);*/
if(n){
ncplane_set_base(n, " ", 0, channels);
ncplane_set_base(n, "", 0, channels);
}
return n;
}