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[demo] rewrite usage screen without direct mode #2486

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nick black 2021-12-18 15:55:32 -05:00 committed by nick black
parent e71f15e6a9
commit f8d5eac938
1 changed files with 54 additions and 43 deletions
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97
src/demo/demo.c
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@ -10,7 +10,6 @@
#include <stdlib.h>
#include <inttypes.h>
#include <stdatomic.h>
#include <notcurses/direct.h>
#include "demo.h"
// (non-)ansi terminal definition-4-life
@ -101,40 +100,51 @@ static struct {
};
static void
usage_option(FILE* out, struct ncdirect* n, const char* op){
if(n) ncdirect_set_fg_rgb8(n, 0x80, 0x80, 0x80);
fprintf(out, " [ ");
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0x80);
fprintf(out, "%s", op);
if(n) ncdirect_set_fg_rgb8(n, 0x80, 0x80, 0x80);
fprintf(out, " ] ");
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0xff);
usage_option(struct ncplane* n, const char* op){
ncplane_set_fg_rgb8(n, 0x80, 0x80, 0x80);
ncplane_printf(n, " [ ");
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0x80);
ncplane_printf(n, "%s", op);
ncplane_set_fg_rgb8(n, 0x80, 0x80, 0x80);
ncplane_printf(n, " ] ");
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0xff);
}
static void
usage_expo(FILE* out, struct ncdirect* n, const char* op, const char* expo){
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0x80);
fprintf(out, " %s: ", op);
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0xff);
fprintf(out, "%s\n", expo);
usage_expo(struct ncplane* n, const char* op, const char* expo){
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0x80);
ncplane_printf(n, " %s: ", op);
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0xff);
ncplane_printf(n, "%s\n", expo);
}
static void
usage(const char* exe, int status){
FILE* out = status == EXIT_SUCCESS ? stdout : stderr;
struct ncdirect* n = ncdirect_init(NULL, out, 0);
if(n) ncdirect_set_fg_rgb8(n, 0x00, 0xc0, 0xc0);
fprintf(out, "usage: ");
if(n) ncdirect_set_fg_rgb8(n, 0x80, 0xff, 0x80);
fprintf(out, "%s ", exe);
struct notcurses_options opts = {0};
opts.flags = NCOPTION_NO_ALTERNATE_SCREEN
| NCOPTION_DRAIN_INPUT
| NCOPTION_NO_CLEAR_BITMAPS
| NCOPTION_PRESERVE_CURSOR
| NCOPTION_SUPPRESS_BANNERS;
struct notcurses* nc = notcurses_init(&opts, out);
if(!nc){
exit(status);
}
struct ncplane* n = notcurses_stdplane(nc);
ncplane_set_scrolling(n, true);
ncplane_set_fg_rgb8(n, 0x00, 0xc0, 0xc0);
ncplane_putstr(n, "usage: ");
ncplane_set_fg_rgb8(n, 0x80, 0xff, 0x80);
ncplane_printf(n, "%s ", exe);
const char* options[] = { "-hVkc", "-m margins", "-p path", "-l loglevel",
"-d mult", "-J jsonfile", "demospec",
NULL };
for(const char** op = options ; *op ; ++op){
usage_option(out, n, *op);
usage_option(n, *op);
}
fprintf(out, "\n\n");
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0xff);
ncplane_putstr(n, "\n\n");
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0xff);
const char* optexpo[] = {
"-h|--help", "this message",
"-V|--version", "print program name and version",
@ -147,40 +157,41 @@ usage(const char* exe, int status){
};
for(const char** op = optexpo ; *op ; op += 2){
const char* expo = op[1];
usage_expo(out, n, *op, expo);
usage_expo(n, *op, expo);
}
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0x80);
fprintf(out, " -l:");
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0xff);
fprintf(out, " logging level (%d: silent..%d: manic)\n", NCLOGLEVEL_SILENT, NCLOGLEVEL_TRACE);
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0x80);
fprintf(out, " -p:");
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0xff);
fprintf(out, " data file path (default: %s)\n", NOTCURSES_SHARE);
fprintf(out, "\nspecify demos via their first letter. repetitions are allowed.\n");
if(n) ncdirect_set_fg_rgb8(n, 0x80, 0xff, 0x80);
fprintf(out, " default spec: %s\n\n", DEFAULT_DEMO);
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0xff);
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0x80);
ncplane_printf(n, " -l:");
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0xff);
ncplane_printf(n, " logging level (%d: silent..%d: manic)\n", NCLOGLEVEL_SILENT, NCLOGLEVEL_TRACE);
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0x80);
ncplane_printf(n, " -p:");
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0xff);
ncplane_printf(n, " data file path (default: %s)\n", NOTCURSES_SHARE);
ncplane_printf(n, "\nspecify demos via their first letter. repetitions are allowed.\n");
ncplane_set_fg_rgb8(n, 0x80, 0xff, 0x80);
ncplane_printf(n, " default spec: %s\n\n", DEFAULT_DEMO);
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0xff);
int printed = 0;
for(size_t i = 0 ; i < sizeof(demos) / sizeof(*demos) ; ++i){
if(demos[i].name){
if(printed % 5 == 0){
fprintf(out, " ");
ncplane_printf(n, " ");
}
// U+24D0: CIRCLED LATIN SMALL LETTER A
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0x80);
fprintf(out, "%lc ", *demos[i].name - 'a' + 0x24d0);
if(n) ncdirect_set_fg_rgb8(n, 0xff, 0xff, 0xff);
fprintf(out, "%-*.*s", 8, 8, demos[i].name + 1);
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0x80);
ncplane_printf(n, "%lc ", *demos[i].name - 'a' + 0x24d0);
ncplane_set_fg_rgb8(n, 0xff, 0xff, 0xff);
ncplane_printf(n, "%-*.*s", 8, 8, demos[i].name + 1);
if(++printed % 5 == 0){
fprintf(out, "\n");
ncplane_printf(n, "\n");
}
}
}
if(printed % 5){
fprintf(out, "\n");
ncplane_printf(n, "\n");
}
ncdirect_stop(n);
notcurses_render(nc);
notcurses_stop(nc);
exit(status);
}