graphic charset and a few more escapes.
Aurélien Aptel aurelien.aptel@gmail.com
M
config.h
→
config.h
@@ -36,3 +36,38 @@ { XK_Right, "\033[C" },
{ XK_Up, "\033[A" }, { XK_Down, "\033[B" }, }; + +static char gfx[] = { + ['}'] = 'f', + ['.'] = 'v', + [','] = '<', + ['+'] = '>', + ['-'] = '^', + ['h'] = '#', + ['~'] = 'o', + ['a'] = ':', + ['f'] = '\\', + ['`'] = '+', + ['z'] = '>', + ['{'] = '*', + ['q'] = '-', + ['i'] = '#', + ['n'] = '+', + ['y'] = '<', + ['m'] = '+', + ['j'] = '+', + ['|'] = '!', + ['g'] = '#', + ['o'] = '~', + ['p'] = '-', + ['r'] = '-', + ['s'] = '_', + ['0'] = '#', + ['w'] = '+', + ['u'] = '+', + ['t'] = '+', + ['v'] = '+', + ['l'] = '+', + ['k'] = '+', + ['x'] = '|', +};
M
st.c
→
st.c
@@ -38,11 +38,11 @@ #define LIMIT(x, a, b) (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
#define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg) /* Attribute, Cursor, Character state, Terminal mode, Screen draw mode */ -enum { ATnone=0 , ATreverse=1 , ATunderline=2, ATbold=4 }; -enum { CSup, CSdown, CSright, CSleft, CShide, CSdraw, CSwrap, CSsave, CSload }; +enum { ATnone=0 , ATreverse=1 , ATunderline=2, ATbold=4, ATgfx=8 }; +enum { CSup, CSdown, CSright, CSleft, CShide, CSdraw, CSsave, CSload }; enum { CRset=1, CRupdate=2 }; -enum { TMwrap=1, TMinsert=2, TMtitle=4 }; -enum { ESCin = 1, ESCcsi = 2, ESCosc = 4, ESCtitle = 8 }; +enum { TMwrap=1, TMinsert=2 }; +enum { ESCin=1, ESCcsi=2, ESCosc=4, ESCtitle=8, ESCcharset=16 }; enum { SCupdate, SCredraw }; typedef int Color;@@ -68,7 +68,7 @@ /* CSI Escape sequence structs */
/* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */ typedef struct { char buf[ESCSIZ]; /* raw string */ - int len; /* raw string length */ + int len; /* raw string length */ char priv; int arg[ESCARGSIZ]; int narg; /* nb of args */@@ -389,7 +389,7 @@
void tcursor(int dir) { int xf = term.c.x, yf = term.c.y; - + switch(dir) { case CSup: yf--;@@ -399,7 +399,7 @@ yf++;
break; case CSleft: xf--; - if(xf < 0) { + if(term.mode & TMwrap && xf < 0) { xf = term.col-1, yf--; if(yf < term.top) yf = term.top, xf = 0;@@ -407,7 +407,7 @@ }
break; case CSright: xf++; - if(xf >= term.col) { + if(term.mode & TMwrap && xf >= term.col) { xf = 0, yf++; if(yf > term.bot) yf = term.bot, tscroll();@@ -416,7 +416,7 @@ break;
} tmoveto(xf, yf); } - + void tsetchar(char c) { term.line[term.c.y][term.c.x] = term.c.attr;@@ -535,7 +535,7 @@
for(i = 0; i < l; i++) { switch(attr[i]) { case 0: - memset(&term.c.attr, 0, sizeof(term.c.attr)); + term.c.attr.mode &= ~(ATreverse | ATunderline | ATbold); term.c.attr.fg = DefaultFG; term.c.attr.bg = DefaultBG; break;@@ -593,7 +593,10 @@ }
void csihandle(void) { + if(escseq.priv) + csidump(); switch(escseq.mode) { + unknown: default: fprintf(stderr, "erresc: unknown sequence\n"); csidump();@@ -672,8 +675,16 @@ DEFAULT(escseq.arg[0], 1);
tinsertblankline(escseq.arg[0]); break; case 'l': - if(escseq.priv && escseq.arg[0] == 25) + if(escseq.priv) { + switch(escseq.arg[0]) { + case 7: + term.mode &= ~TMwrap; + break; + case 25: term.c.hidden = 1; + break; + } + } break; case 'M': /* Delete <n> lines */ DEFAULT(escseq.arg[0], 1);@@ -689,15 +700,25 @@ DEFAULT(escseq.arg[0], 1);
tmoveto(term.c.x, escseq.arg[0]-1); break; case 'h': /* Set terminal mode */ - if(escseq.priv && escseq.arg[0] == 25) - term.c.hidden = 0; + if(escseq.priv) + switch(escseq.arg[0]) { + case 7: + term.mode |= TMwrap; + break; + case 25: + term.c.hidden = 0; + break; + case 1034: + /* XXX: Interpret "meta" key, sets eighth bit. */ + break; + } break; case 'm': /* Terminal attribute (color) */ tsetattr(escseq.arg, escseq.narg); break; case 'r': if(escseq.priv) - ; + goto unknown; else { DEFAULT(escseq.arg[0], 1); DEFAULT(escseq.arg[1], term.row);@@ -766,6 +787,17 @@ XStoreName(xw.dis, xw.win, term.title);
} else { term.title[term.titlelen++] = c; } + } else if(term.esc & ESCcharset) { + printf("ESC ( %c\n", c); + switch(c) { + case '0': /* Line drawing crap */ + term.c.attr.mode |= ATgfx; + break; + case 'B': /* Back to regular text */ + term.c.attr.mode &= ~ATgfx; + break; + } + term.esc = 0; } else { switch(c) { case '[':@@ -774,6 +806,23 @@ break;
case ']': term.esc |= ESCosc; break; + case '(': + term.esc |= ESCcharset; + break; + case 'A': + tmoveto(term.c.x, term.c.y-1); + break; + case 'B': + tmoveto(term.c.x, term.c.y+1); + break; + case 'C': + tmoveto(term.c.x+1, term.c.y); + break; + case 'D': + tmoveto(term.c.x-1, term.c.y); + break; + default: + fprintf(stderr, "erresc: unknown sequence ESC %02X '%c'\n", c, isprint(c)?c:'.'); } } } else {@@ -931,6 +980,8 @@ void
xdraws (char *s, Glyph base, int x, int y, int len) { unsigned long xfg, xbg; int winx = x*xw.cw, winy = y*xw.ch + dc.font->ascent, width = len*xw.cw; + int i; + if(base.mode & ATreverse) xfg = dc.col[base.bg], xbg = dc.col[base.fg]; else@@ -938,6 +989,13 @@ xfg = dc.col[base.fg], xbg = dc.col[base.bg];
XSetBackground(xw.dis, dc.gc, xbg); XSetForeground(xw.dis, dc.gc, xfg); + + if(base.mode & ATgfx) { + + for(i = 0; i < len; i++) + s[i] = gfx[s[i]]; + } + XDrawImageString(xw.dis, xw.win, dc.gc, winx, winy, s, len); if(base.mode & ATunderline)@@ -1006,7 +1064,8 @@ }
} xdraws(buf, base, ox, y, i); } - xcursor(CSdraw); + if(!term.c.hidden) + xcursor(CSdraw); } void@@ -1014,7 +1073,7 @@ expose(XEvent *ev) {
draw(SCredraw); } -char * +char* kmap(KeySym k) { int i; for(i = 0; i < LEN(key); i++)