skeleton of mojibake demo #689

doc/man/man1/notcurses-demo.1.md

@@ -33,6 +33,7 @@ The demonstrations include (see NOTES below):
 * (i)ntro—a setting of tone
 * (j)ungle—low-bandwidth color cycling reveals ancient ruins
 * (l)uigi—a dashing Apennine plumber in a world of fire
+* (m)ojibake—a selection of market-price emoji
 * (n)ormal—a normal map of a friend, with effects
 * (o)utro—a message of hope from the library's author
 * (q)rcode—quick response codes (from ISO/IEC 18004:2015)
@@ -72,7 +73,7 @@ At any time, press 'q' to quit. The demo is best run in at least an 80x45 termin
 **-V**: Print the program name and version, and exit with success.
 
 demospec: Select which demos to run, and what order to run them in. The
-default is **ixeaydthnbcgrwuvlsfjqo**. See above for a list of demos.
+default is **ixeaydthnbcmgrwuvlsfjqo**. See above for a list of demos.
 
 Default margins are all 0, and thus the full screen will be rendered. Using
 **-m**, margins can be supplied. Provide a single number to set all four margins

src/demo/demo.c

@@ -19,7 +19,7 @@ static int democount;
 static demoresult* results;
 static char *datadir = NOTCURSES_SHARE;
 
-static const char DEFAULT_DEMO[] = "ixeaydthnbcgrwuvlsfjqo";
+static const char DEFAULT_DEMO[] = "ixeaydthnbcmgrwuvlsfjqo";
 
 atomic_bool interrupted = ATOMIC_VAR_INIT(false);
 // checked following demos, whether aborted, failed, or otherwise
@@ -85,7 +85,7 @@ static struct {
   { "jungle", jungle_demo, true, },
   { NULL, NULL, false, }, // FIXME
   { "luigi", luigi_demo, true, },
-  { NULL, NULL, false, }, // mojibake
+  { "mojibake", mojibake_demo, false, },
   { "normal", normal_demo, false, },
   { "outro", outro, false, },
   { NULL, NULL, false, }, // pango

src/demo/demo.h

@@ -45,6 +45,7 @@ int fallin_demo(struct notcurses* nc);
 int highcontrast_demo(struct notcurses* nc);
 int jungle_demo(struct notcurses* nc);
 int yield_demo(struct notcurses* nc);
+int mojibake_demo(struct notcurses* nc);
 int normal_demo(struct notcurses* nc);
 int sliding_puzzle_demo(struct notcurses* nc);
 int view_demo(struct notcurses* nc);

src/demo/mojibake.c

@@ -0,0 +1,8 @@
+#include "demo.h"
+
+int mojibake_demo(struct notcurses* nc){
+  if(!notcurses_canutf8(nc)){
+    return 0;
+  }
+  return 0;
+}