X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=515dfb169dc0c3966da028779422412da1f9cdc1;hb=a7d7e29300acade90f2025f0b85fa5eae06edb24;hp=9760b6cee71697961ab03389fc7c7b85ea87b990;hpb=74d6abfee5a1455c7c126d6b78760efd65d9d7c3;p=st.git

diff --git a/st.c b/st.c
index 9760b6c..515dfb1 100644
--- a/st.c
+++ b/st.c
@@ -278,7 +278,7 @@ static void tmoveto(int, int);
 static void tnew(int, int);
 static void tnewline(int);
 static void tputtab(bool);
-static void tputc(char*);
+static void tputc(char*, int);
 static void treset(void);
 static int tresize(int, int);
 static void tscrollup(int, int);
@@ -884,7 +884,7 @@ ttyread(void) {
 	while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
 		charsize = utf8decode(ptr, &utf8c);
 		utf8encode(&utf8c, s);
-		tputc(s);
+		tputc(s, charsize);
 		ptr    += charsize;
 		buflen -= charsize;
 	}
@@ -953,7 +953,7 @@ treset(void) {
 		term.tabs[i] = 1;
 	term.top = 0, term.bot = term.row - 1;
 	term.mode = MODE_WRAP;
-	xclear(0, 0, xw.w, xw.h);
+
 	tclearregion(0, 0, term.col-1, term.row-1);
 }
 
@@ -1094,6 +1094,27 @@ tmoveto(int x, int y) {
 
 void
 tsetchar(char *c) {
+	/*
+	 * The table is proudly stolen from rxvt.
+	 */
+	if(term.c.attr.mode & ATTR_GFX) {
+		char *vt100_0[62] = { /* 0x41 - 0x7e */
+			"↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
+			0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
+			0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
+			0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
+			"◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
+			"␤", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
+			"⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
+			"│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
+		};
+
+		if(c[0] >= 0x41 && c[0] <= 0x7e
+				&& vt100_0[c[0] - 0x41]) {
+			c = vt100_0[c[0] - 0x41];
+		}
+	}
+
 	term.dirty[term.c.y] = 1;
 	term.line[term.c.y][term.c.x] = term.c.attr;
 	memcpy(term.line[term.c.y][term.c.x].c, c, UTF_SIZ);
@@ -1641,11 +1662,11 @@ tputtab(bool forward) {
 }
 
 void
-tputc(char *c) {
-	char ascii = *c;
+tputc(char *c, int len) {
+	uchar ascii = *c;
 
 	if(iofd != -1)
-		write(iofd, c, 1);
+		write(iofd, c, len);
 
 	if(term.esc & ESC_START) {
 		if(term.esc & ESC_CSI) {
@@ -1676,12 +1697,18 @@ tputc(char *c) {
 				strhandle();
 		} else if(term.esc & ESC_ALTCHARSET) {
 			switch(ascii) {
-			case '0': /* Line drawing crap */
+			case '0': /* Line drawing set */
 				term.c.attr.mode |= ATTR_GFX;
 				break;
-			case 'B': /* Back to regular text */
+			case 'B': /* USASCII */
 				term.c.attr.mode &= ~ATTR_GFX;
 				break;
+			case 'A': /* UK (IGNORED) */
+			case '<': /* multinational charset (IGNORED) */
+			case '5': /* Finnish (IGNORED) */
+			case 'C': /* Finnish (IGNORED) */
+			case 'K': /* German (IGNORED) */
+				break;
 			default:
 				fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
 			}
@@ -1700,9 +1727,14 @@ tputc(char *c) {
 				strescseq.type = ascii;
 				term.esc |= ESC_STR;
 				break;
-			case '(':
+			case '(': /* set primary charset G0 */
 				term.esc |= ESC_ALTCHARSET;
 				break;
+			case ')': /* set secondary charset G1 (IGNORED) */
+			case '*': /* set tertiary charset G2 (IGNORED) */
+			case '+': /* set quaternary charset G3 (IGNORED) */
+				term.esc = 0;
+				break;
 			case 'D': /* IND -- Linefeed */
 				if(term.c.y == term.bot)
 					tscrollup(term.top, 1);
@@ -1728,6 +1760,7 @@ tputc(char *c) {
 			case 'c': /* RIS -- Reset to inital state */
 				treset();
 				term.esc = 0;
+				xclear(0, 0, xw.w, xw.h);
 				xresettitle();
 				break;
 			case '=': /* DECPAM -- Application keypad */
@@ -1759,8 +1792,6 @@ tputc(char *c) {
 		if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
 			sel.bx = -1;
 		switch(ascii) {
-		case '\0': /* padding character, do nothing */
-			break;
 		case '\t':
 			tputtab(1);
 			break;
@@ -1785,13 +1816,15 @@ tputc(char *c) {
 			term.esc = ESC_START;
 			break;
 		default:
-			if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
-				tnewline(1); /* always go to first col */
-			tsetchar(c);
-			if(term.c.x+1 < term.col)
-				tmoveto(term.c.x+1, term.c.y);
-			else
-				term.c.state |= CURSOR_WRAPNEXT;
+			if(ascii >= '\020' || term.c.attr.mode & ATTR_GFX) {
+				if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
+					tnewline(1); /* always go to first col */
+				tsetchar(c);
+				if(term.c.x+1 < term.col)
+					tmoveto(term.c.x+1, term.c.y);
+				else
+					term.c.state |= CURSOR_WRAPNEXT;
+			}
 		}
 	}
 }
@@ -2065,7 +2098,6 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
 	Font *font = &dc.font;
 	XGlyphInfo extents;
-	int i;
 
 	/* only switch default fg/bg if term is in RV mode */
 	if(IS_SET(MODE_REVERSE)) {
@@ -2091,16 +2123,6 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
 	XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
 
-	if(base.mode & ATTR_GFX) {
-		for(i = 0; i < bytelen; i++) {
-			char c = gfx[(uint)s[i] % 256];
-			if(c)
-				s[i] = c;
-			else if(s[i] > 0x5f)
-				s[i] -= 0x5f;
-		}
-	}
-
 	XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen, &extents);
 	width = extents.xOff;
 	XftDrawRect(xw.xft_draw, &dc.xft_col[bg], winx, winy - font->ascent, width, xw.ch);
@@ -2456,9 +2478,9 @@ main(int argc, char *argv[]) {
 
  run:
 	setlocale(LC_CTYPE, "");
-	xinit();
 	tnew(80, 24);
 	ttynew();
+	xinit();
 	selinit();
 	run();
 	return 0;