[notcurses-info] add chess pieces

include/notcurses/ncseqs.h

@@ -76,6 +76,10 @@ extern "C" {
 #define NCSEGDIGITS L"\U0001FBF0\U0001FBF1\U0001FBF2\U0001FBF3\U0001FBF4"\
                      "\U0001FBF5\U0001FBF6\U0001FBF7\U0001FBF8\U0001FBF9"
 
+// chess
+#define NCCHESSBLACK L"\u265f\u265c\u265e\u265d\u265b\u265a" // "♟♜♞♝♛♚"
+#define NCCHESSWHITE L"\u265f\u265c\u265e\u265d\u265b\u265a" // "♙♖♘♗♕♔"
+
 // argh
 #define NCBOXLIGHT  "┌┐└┘─│"
 #define NCBOXHEAVY  "┏┓┗┛━┃"

src/info/main.c

@@ -213,7 +213,7 @@ triviz(struct ncplane* n, const wchar_t* w1, const wchar_t* w2, const wchar_t* w
        const wchar_t* wa, const wchar_t* wb, const wchar_t* wc,
        const wchar_t* wd, const wchar_t* we, const wchar_t* wf,
        const wchar_t* w10, const wchar_t* w11, const wchar_t* w12,
-       const wchar_t* w13, const wchar_t* w14){
+       const wchar_t* w13, const wchar_t* w14, const wchar_t* w15){
   wvizn(n, w1, 2);
   ncplane_putchar(n, ' ');
   wvizn(n, w2, 2);
@@ -232,22 +232,20 @@ triviz(struct ncplane* n, const wchar_t* w1, const wchar_t* w2, const wchar_t* w
   wvizn(n, w9, 2);
   wvizn(n, wa, 1);
   ncplane_putchar(n, ' ');
-  ncplane_putchar(n, ' ');
   wvizn(n, wb, 2);
   wvizn(n, wc, 1);
   ncplane_putchar(n, ' ');
   wvizn(n, wd, 2);
   wvizn(n, we, 1);
   ncplane_putchar(n, ' ');
-  ncplane_putchar(n, ' ');
   wvizn(n, wf, 2);
   wvizn(n, w10, 1);
   ncplane_putchar(n, ' ');
   wvizn(n, w11, 2);
   wvizn(n, w12, 1);
-  ncplane_putchar(n, ' ');
+  wvizn(n, w13, 3); // chess
-  wviz(n, w13);
   wviz(n, w14);
+  wviz(n, w15);
 }
 
 static void
@@ -288,14 +286,14 @@ unicodedumper(struct ncplane* n, const char* indent){
            NCCIRCULARARCSW, NCWHITETRIANGLESW, NCSHADETRIANGLESW, NCBLACKTRIANGLESW,
            NCBOXLIGHTW, &NCBOXLIGHTW[4], NCBOXHEAVYW, &NCBOXHEAVYW[4], NCBOXROUNDW,
            &NCBOXROUNDW[4], NCBOXDOUBLEW, &NCBOXDOUBLEW[4], NCBOXOUTERW, &NCBOXOUTERW[4],
-           L"⩘▵△▹▷▿▽◃◁", NCARROWW);
+           NCCHESSBLACK, L"⩘▵△▹▷▿▽◃◁", NCARROWW);
     vertviz(n, L'⎪', NCEIGHTHSR[2], NCEIGHTHSL[2], L'⎪', L"├─╨╫╨─┤┇⎜⎟");
     ncplane_printf(n, "%s╱╽╲ ", indent);
     triviz(n, &NCWHITESQUARESW[2], &NCWHITECIRCLESW[2], &NCDIAGONALSW[2], &NCDIAGONALSW[6],
            &NCCIRCULARARCSW[2], &NCWHITETRIANGLESW[2], &NCSHADETRIANGLESW[2], &NCBLACKTRIANGLESW[2],
            &NCBOXLIGHTW[2], &NCBOXLIGHTW[5], &NCBOXHEAVYW[2], &NCBOXHEAVYW[5], &NCBOXROUNDW[2],
            &NCBOXROUNDW[5], &NCBOXDOUBLEW[2], &NCBOXDOUBLEW[5], &NCBOXOUTERW[2], &NCBOXOUTERW[5],
-           L"⩗▴⏶⯅▲▸⏵⯈▶", L"▾⏷⯆▼◂⏴⯇◀");
+           &NCCHESSBLACK[3], L"⩗▴⏶⯅▲▸⏵⯈▶", L"▾⏷⯆▼◂⏴⯇◀");
     vertviz(n, L'⎪', NCEIGHTHSR[3], NCEIGHTHSL[3], L'⎪', L"╞═╤╬╤═╡┋⎜⎟");
     braille_viz(n, L'⎡', NCBRAILLEEGCS, L'⎤', indent, L"⎨⎬", NCEIGHTHSR[4], NCEIGHTHSL[4],
                 L"╞╕╘╬╛╒╡┊⎜⎟");