input: print keypresses #8

src/input/input.cpp

@@ -12,18 +12,30 @@ int main(void){
   notcurses_options opts{};
   opts.outfp = stdout;
   struct notcurses* nc = notcurses_init(&opts);
+  struct ncplane* n = notcurses_stdplane(nc);
   if(nc == nullptr){
     return EXIT_FAILURE;;
   }
   int r;
   cell c = CELL_TRIVIAL_INITIALIZER;
+  if(ncplane_fg_rgb8(n, 255, 255, 255)){
+    return EXIT_FAILURE;
+  }
   while((r = notcurses_getc_blocking(nc, &c)) >= 0){
     if(r == 0){ // interrupted by signal
       continue;
     }
+    if(ncplane_printf(n, "Got keypress: [%04x] '%c'\n", c.gcluster, c.gcluster) < 0){
+      break;
+    }
+    if(notcurses_render(nc)){
+      break;
+    }
   }
   int e = errno;
   notcurses_stop(nc);
-  std::cerr << "Error reading from terminal (" << strerror(e) << "?)\n";
+  if(r < 0){
+    std::cerr << "Error reading from terminal (" << strerror(e) << "?)\n";
+  }
   return EXIT_FAILURE;
 }