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notcurses-view: implement -q(uiet) #1069

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nick black 2020-10-18 18:49:29 -04:00 committed by Nick Black
parent 46bd3dc4b4
commit d6dda19dcd
1 changed files with 24 additions and 11 deletions
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35
src/view/view.cpp
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@ -17,7 +17,9 @@ static void usage(std::ostream& os, const char* name, int exitcode)
__attribute__ ((noreturn));
void usage(std::ostream& o, const char* name, int exitcode){
o << "usage: " << name << " [ -h ] [ -m margins ] [ -l loglevel ] [ -d mult ] [ -s scaletype ] [ -k ] files" << '\n';
o << "usage: " << name << " [ -h ] [ -q ] [ -m margins ] [ -l loglevel ] [ -d mult ] [ -s scaletype ] [ -k ] files" << '\n';
o << " -h: display help and exit with success\n";
o << " -q: be quiet (no frame/timing information along top of screen)\n";
o << " -k: don't use the alternate screen\n";
o << " -l loglevel: integer between 0 and 9, goes to stderr'\n";
o << " -s scaletype: one of 'none', 'scale', or 'stretch'\n";
@ -56,7 +58,11 @@ auto perframe(struct ncvisual* ncv, struct ncvisual_options* vopts,
}
std::unique_ptr<Plane> stdn(nc.get_stdplane());
int* framecount = static_cast<int*>(vframecount);
++*framecount;
// negative framecount means don't print framecount/timing (quiet mode)
if(*framecount >= 0){
++*framecount;
}
const bool quiet = (*framecount < 0);
stdn->set_fg_rgb(0x80c080);
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
@ -66,9 +72,10 @@ auto perframe(struct ncvisual* ncv, struct ncvisual_options* vopts,
blitter = ncvisual_default_blitter(notcurses_canutf8(nc), vopts->scaling);
vopts->blitter = blitter;
}
// clear top line only
stdn->printf(0, NCAlign::Left, "frame %06d\u2026 (%s)", *framecount,
notcurses_str_blitter(blitter));
if(!quiet){
stdn->printf(0, NCAlign::Left, "frame %06d\u2026 (%s)", *framecount,
notcurses_str_blitter(blitter));
}
char* subtitle = ncvisual_subtitle(ncv);
if(subtitle){
if(!subtitle_plane){
@ -95,8 +102,10 @@ auto perframe(struct ncvisual* ncv, struct ncvisual_options* vopts,
ns -= m * (60 * NANOSECS_IN_SEC);
const intmax_t s = ns / NANOSECS_IN_SEC;
ns -= s * NANOSECS_IN_SEC;
stdn->printf(0, NCAlign::Right, "%02jd:%02jd:%02jd.%04jd",
h, m, s, ns / 1000000);
if(!quiet){
stdn->printf(0, NCAlign::Right, "%02jd:%02jd:%02jd.%04jd",
h, m, s, ns / 1000000);
}
if(!nc.render()){
return -1;
}
@ -142,17 +151,20 @@ auto perframe(struct ncvisual* ncv, struct ncvisual_options* vopts,
}
// can exit() directly. returns index in argv of first non-option param.
auto handle_opts(int argc, char** argv, notcurses_options& opts,
auto handle_opts(int argc, char** argv, notcurses_options& opts, bool* quiet,
float* timescale, ncscale_e* scalemode, ncblitter_e* blitter)
-> int {
*timescale = 1.0;
*scalemode = NCSCALE_STRETCH;
int c;
while((c = getopt(argc, argv, "hl:d:s:b:m:k")) != -1){
while((c = getopt(argc, argv, "hql:d:s:b:m:k")) != -1){
switch(c){
case 'h':
usage(std::cout, argv[0], EXIT_SUCCESS);
break;
case 'q':
*quiet = true;
break;
case 's':
if(notcurses_lex_scalemode(optarg, scalemode)){
std::cerr << "Scaling type should be one of stretch, scale, none (got "
@ -226,7 +238,8 @@ auto main(int argc, char** argv) -> int {
ncscale_e scalemode;
notcurses_options nopts{};
ncblitter_e blitter = NCBLIT_DEFAULT;
auto nonopt = handle_opts(argc, argv, nopts, &timescale, &scalemode, &blitter);
bool quiet = false;
auto nonopt = handle_opts(argc, argv, nopts, &quiet, &timescale, &scalemode, &blitter);
nopts.flags |= NCOPTION_INHIBIT_SETLOCALE;
NotCurses nc{nopts};
if(!nc.can_open_images()){
@ -239,7 +252,7 @@ auto main(int argc, char** argv) -> int {
{
std::unique_ptr<Plane> stdn(nc.get_stdplane(&dimy, &dimx));
for(auto i = nonopt ; i < argc ; ++i){
int frames = 0;
int frames = quiet ? -1 : 0;
std::unique_ptr<Visual> ncv;
try{
ncv = std::make_unique<Visual>(argv[i]);