X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/50e6355e0d6c9843b51ac4711980401205ce06c1..3949aa7c5db6db76e545f6201b1c49f1b91fb245:/st.c?ds=sidebyside

diff --git a/st.c b/st.c
index 9637834..546db41 100644
--- a/st.c
+++ b/st.c
@@ -89,7 +89,7 @@ char *argv0;
 #define VT102ID "\033[?6c"
 
 enum glyph_attribute {
-        ATTR_NULL      = 0,
+	ATTR_NULL      = 0,
 	ATTR_BOLD      = 1,
 	ATTR_FAINT     = 2,
 	ATTR_ITALIC    = 4,
@@ -375,6 +375,7 @@ static void tdeletechar(int);
 static void tdeleteline(int);
 static void tinsertblank(int);
 static void tinsertblankline(int);
+static int tlinelen(int);
 static void tmoveto(int, int);
 static void tmoveato(int, int);
 static void tnew(int, int);
@@ -404,6 +405,7 @@ static void ttyread(void);
 static void ttyresize(void);
 static void ttysend(char *, size_t);
 static void ttywrite(const char *, size_t);
+static void tstrsequence(uchar c);
 
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
@@ -920,7 +922,7 @@ bpress(XEvent *e) {
 char *
 getsel(void) {
 	char *str, *ptr;
-	int x, y, bufsize, size, ex;
+	int y, bufsize, size, lastx, linelen;
 	Glyph *gp, *last;
 
 	if(sel.ob.x == -1)
@@ -931,16 +933,19 @@ getsel(void) {
 
 	/* append every set & selected glyph to the selection */
 	for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
-		gp = &term.line[y][0];
-		last = &gp[term.col-1];
+		linelen = tlinelen(y);
 
-		while(last >= gp && !(selected(last - gp, y) &&
-				      strcmp(last->c, " ") != 0)) {
-			--last;
+		if(sel.type == SEL_RECTANGULAR) {
+			gp = &term.line[y][sel.nb.x];
+			lastx = sel.ne.x;
+		} else {
+			gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
+			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
 		}
+		last = &term.line[y][MIN(lastx, linelen-1)];
 
-		for(x = 0; gp <= last; x++, ++gp) {
-			if(!selected(x, y) || (gp->mode & ATTR_WDUMMY))
+		for( ; gp <= last; ++gp) {
+			if(gp->mode & ATTR_WDUMMY)
 				continue;
 
 			size = utf8len(gp->c);
@@ -957,20 +962,8 @@ getsel(void) {
 		 * st.
 		 * FIXME: Fix the computer world.
 		 */
-		if(y < sel.ne.y && !(x > 0 && (gp-1)->mode & ATTR_WRAP))
+		if(sel.ne.y > y || lastx >= linelen)
 			*ptr++ = '\n';
-
-		/*
-		 * If the last selected line expands in the selection
-		 * after the visible text '\n' is appended.
-		 */
-		if(y == sel.ne.y) {
-			ex = sel.ne.x;
-			if(sel.nb.y == sel.ne.y && sel.ne.x < sel.nb.x)
-				ex = sel.nb.x;
-			if(tlinelen(y) < ex)
-				*ptr++ = '\n';
-		}
 	}
 	*ptr = 0;
 	return str;
@@ -2287,12 +2280,10 @@ tdumpline(int n) {
 	Glyph *bp, *end;
 
 	bp = &term.line[n][0];
-	end = &bp[term.col-1];
-	while(end > bp && !strcmp(" ", end->c))
-		--end;
-	if(bp != end || strcmp(bp->c, " ")) {
+	end = &bp[MIN(tlinelen(n), term.col) - 1];
+	if(bp != end || bp->c[0] != ' ') {
 		for( ;bp <= end; ++bp)
-			tprinter(bp->c, strlen(bp->c));
+			tprinter(bp->c, utf8len(bp->c));
 	}
 	tprinter("\n", 1);
 }
@@ -2357,6 +2348,30 @@ tdeftran(char ascii) {
 	}
 }
 
+void
+tstrsequence(uchar c) {
+	if (c & 0x80) {
+		switch (c) {
+		case 0x90:   /* DCS -- Device Control String */
+			c = 'P';
+			break;
+		case 0x9f:   /* APC -- Application Program Command */
+			c = '_';
+			break;
+		case 0x9e:   /* PM -- Privacy Message */
+			c = '^';
+			break;
+		case 0x9d:   /* OSC -- Operating System Command */
+			c = ']';
+			break;
+		}
+	}
+	strreset();
+	strescseq.type = c;
+	term.esc |= ESC_STR;
+	return;
+}
+
 void
 tcontrolcode(uchar ascii) {
 	static char question[UTF_SIZ] = "?";
@@ -2411,20 +2426,30 @@ tcontrolcode(uchar ascii) {
 	case 0177:   /* DEL (IGNORED) */
 		return;
 	case 0x84:   /* TODO: IND */
-	case 0x85:   /* TODO: NEL */
-	case 0x88:   /* TODO: HTS */
+		break;
+	case 0x85:   /* NEL -- Next line */
+		tnewline(1); /* always go to first col */
+		break;
+	case 0x88:   /* HTS -- Horizontal tab stop */
+		term.tabs[term.c.x] = 1;
+		break;
 	case 0x8d:   /* TODO: RI */
 	case 0x8e:   /* TODO: SS2 */
 	case 0x8f:   /* TODO: SS3 */
-	case 0x90:   /* TODO: DCS */
 	case 0x98:   /* TODO: SOS */
-	case 0x9a:   /* TODO: DECID */
+		break;
+	case 0x9a:   /* DECID -- Identify Terminal */
+		ttywrite(VT102ID, sizeof(VT102ID) - 1);
+		break;
 	case 0x9b:   /* TODO: CSI */
 	case 0x9c:   /* TODO: ST */
-	case 0x9d:   /* TODO: OSC */
-	case 0x9e:   /* TODO: PM */
-	case 0x9f:   /* TODO: APC */
 		break;
+	case 0x90:   /* DCS -- Device Control String */
+	case 0x9f:   /* APC -- Application Program Command */
+	case 0x9e:   /* PM -- Privacy Message */
+	case 0x9d:   /* OSC -- Operating System Command */
+		tstrsequence(ascii);
+		return;
 	}
 	/* only CAN, SUB, \a and C1 chars interrupt a sequence */
 	term.esc &= ~(ESC_STR_END|ESC_STR);
@@ -2540,9 +2565,7 @@ tputc(char *c, int len) {
 			case '^': /* PM -- Privacy Message */
 			case ']': /* OSC -- Operating System Command */
 			case 'k': /* old title set compatibility */
-				strreset();
-				strescseq.type = ascii;
-				term.esc |= ESC_STR;
+				tstrsequence(ascii);
 				return;
 			case '(': /* set primary charset G0 */
 			case ')': /* set secondary charset G1 */
@@ -3189,7 +3212,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 		 * change basic system colors [0-7]
 		 * to bright system colors [8-15]
 		 */
-		if(BETWEEN(base.fg, 0, 7))
+		if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT))
 			fg = &dc.col[base.fg + 8];
 
 		if(base.mode & ATTR_ITALIC) {
@@ -3233,9 +3256,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 		bg = temp;
 	}
 
+	if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) {
+		colfg.red = fg->color.red / 2;
+		colfg.green = fg->color.green / 2;
+		colfg.blue = fg->color.blue / 2;
+		XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+		fg = &revfg;
+	}
+
 	if(base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
 		fg = bg;
 
+	if(base.mode & ATTR_INVISIBLE)
+		fg = bg;
+
 	/* Intelligent cleaning up of the borders. */
 	if(x == 0) {
 		xclear(0, (y == 0)? 0 : winy, borderpx,
@@ -3380,6 +3414,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 				width, 1);
 	}
 
+	if(base.mode & ATTR_STRUCK) {
+		XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3,
+				width, 1);
+	}
+
 	/* Reset clip to none. */
 	XftDrawSetClip(xw.draw, 0);
 }
@@ -3747,6 +3786,8 @@ run(void) {
 	/* Waiting for window mapping */
 	while(1) {
 		XNextEvent(xw.dpy, &ev);
+		if(XFilterEvent(&ev, None))
+			continue;
 		if(ev.type == ConfigureNotify) {
 			w = ev.xconfigure.width;
 			h = ev.xconfigure.height;