X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/872a7f18eaffd96eefb31e3dcb45fd86bc67029b..6b03bb769a105f797bce40aa0258cf035266e7bf:/st.c?ds=sidebyside

diff --git a/st.c b/st.c
index bca9dc7..7f53981 100644
--- a/st.c
+++ b/st.c
@@ -36,6 +36,7 @@ char *argv0;
 #define Draw XftDraw *
 #define Colour XftColor
 #define Colourmap Colormap
+#define Rectangle XRectangle
 
 #if   defined(__linux)
  #include <pty.h>
@@ -85,6 +86,7 @@ enum glyph_attribute {
 	ATTR_GFX       = 8,
 	ATTR_ITALIC    = 16,
 	ATTR_BLINK     = 32,
+	ATTR_WRAP      = 64,
 };
 
 enum cursor_movement {
@@ -113,6 +115,7 @@ enum term_mode {
 	MODE_ECHO	 = 1024,
 	MODE_APPCURSOR	 = 2048,
 	MODE_MOUSESGR    = 4096,
+	MODE_8BIT	 = 8192,
 };
 
 enum escape_state {
@@ -668,17 +671,15 @@ void
 selsnap(int mode, int *x, int *y, int direction) {
 	switch(mode) {
 	case SNAP_WORD:
-		while(*x > 0 && *x < term.col-1 && term.line[*y][*x + direction].c[0] != ' ') {
+		while(*x > 0 && *x < term.col-1
+				&& term.line[*y][*x + direction].c[0] != ' ') {
 			*x += direction;
 		}
 		break;
-
 	case SNAP_LINE:
 		*x = (direction < 0) ? 0 : term.col - 1;
 		break;
-	
 	default:
-		/* do nothing */
 		break;
 	}
 }
@@ -771,6 +772,7 @@ bpress(XEvent *e) {
 		mousereport(e);
 	} else if(e->xbutton.button == Button1) {
 		gettimeofday(&now, NULL);
+
 		/* Clear previous selection, logically and visually. */
 		if(sel.bx != -1) {
 			sel.bx = -1;
@@ -781,14 +783,15 @@ bpress(XEvent *e) {
 		sel.type = SEL_REGULAR;
 		sel.ex = sel.bx = x2col(e->xbutton.x);
 		sel.ey = sel.by = y2row(e->xbutton.y);
+
 		/*
 		 * Snap handling.
 		 * If user clicks are fasst enough (e.g. below timeouts),
-		 * we ignore if his hand slipped left or down and accidentally selected more;
-		 * we are just snapping to whatever we're snapping.
+		 * we ignore if his hand slipped left or down and accidentally
+		 * selected more; we are just snapping to whatever we're
+		 * snapping.
 		 */
 		if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
-			/* Snap to line */
 			sel.snap = SNAP_LINE;
 		} else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
 			sel.snap = SNAP_WORD;
@@ -797,8 +800,15 @@ bpress(XEvent *e) {
 		}
 		selsnap(sel.snap, &sel.bx, &sel.by, -1);
 		selsnap(sel.snap, &sel.ex, &sel.ey, 1);
-		sel.b.x = sel.bx, sel.b.y = sel.by, sel.e.x = sel.ex, sel.e.y = sel.ey;
-		/* Draw selection, unless it's regular and we don't want to make clicks visible */
+		sel.b.x = sel.bx;
+		sel.b.y = sel.by;
+		sel.e.x = sel.ex;
+		sel.e.y = sel.ey;
+
+		/*
+		 * Draw selection, unless it's regular and we don't want to
+		 * make clicks visible
+		 */
 		if (sel.snap != 0) {
 			tsetdirt(sel.b.y, sel.e.y);
 			draw();
@@ -834,9 +844,8 @@ selcopy(void) {
 				/* nothing */;
 
 			for(x = 0; gp <= last; x++, ++gp) {
-				if(!selected(x, y)) {
+				if(!selected(x, y))
 					continue;
-				}
 
 				size = utf8size(gp->c);
 				memcpy(ptr, gp->c, size);
@@ -852,7 +861,7 @@ selcopy(void) {
 			 * st.
 			 * FIXME: Fix the computer world.
 			 */
-			if(y < sel.e.y)
+			if(y < sel.e.y && !((gp-1)->mode & ATTR_WRAP))
 				*ptr++ = '\n';
 		}
 		*ptr = 0;
@@ -1643,6 +1652,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 			case 1006:
 				MODBIT(term.mode, set, MODE_MOUSESGR);
 				break;
+			case 1034:
+				MODBIT(term.mode, set, MODE_8BIT);
+				break;
 			case 1049: /* = 1047 and 1048 */
 			case 47:
 			case 1047:
@@ -2266,8 +2278,10 @@ tputc(char *c, int len) {
 		return;
 	if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
 		sel.bx = -1;
-	if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
-		tnewline(1); /* always go to first col */
+	if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
+		term.line[term.c.y][term.c.x].mode |= ATTR_WRAP;
+		tnewline(1);
+	}
 
 	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
 		memmove(&term.line[term.c.y][term.c.x+1],
@@ -2751,6 +2765,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	FcCharSet *fccharset;
 	Colour *fg, *bg, *temp, revfg, revbg;
 	XRenderColor colfg, colbg;
+	Rectangle r;
 
 	frcflags = FRC_NORMAL;
 
@@ -2839,6 +2854,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	/* Clean up the region we want to draw to. */
 	XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
 
+	/* Set the clip region because Xft is sometimes dirty. */
+	r.x = 0;
+	r.y = 0;
+	r.height = xw.ch;
+	r.width = width;
+	XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
+
 	fcsets[0] = font->set;
 	for(xp = winx; bytelen > 0;) {
 		/*
@@ -2872,6 +2894,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 							(FcChar8 *)u8fs,
 							u8fblen);
 					xp += font->width * u8fl;
+
 				}
 				break;
 			}
@@ -2956,6 +2979,9 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 		XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
 				width, 1);
 	}
+
+	/* Reset clip to none. */
+	XftDrawSetClip(xw.draw, 0);
 }
 
 void
@@ -3219,7 +3245,8 @@ kpress(XEvent *ev) {
 	XKeyEvent *e = &ev->xkey;
 	KeySym ksym;
 	char xstr[31], buf[32], *customkey, *cp = buf;
-	int len;
+	int len, ret;
+	long c;
 	Status status;
 	Shortcut *bp;
 
@@ -3240,13 +3267,23 @@ kpress(XEvent *ev) {
 	if((customkey = kmap(ksym, e->state))) {
 		len = strlen(customkey);
 		memcpy(buf, customkey, len);
-	/* 2. hardcoded (overrides X lookup) */
+	/* 3. hardcoded (overrides X lookup) */
 	} else {
 		if(len == 0)
 			return;
 
-		if(len == 1 && e->state & Mod1Mask)
-			*cp++ = '\033';
+		if(len == 1 && e->state & Mod1Mask) {
+			if(IS_SET(MODE_8BIT)) {
+				if(*xstr < 0177) {
+					c = *xstr | B7;
+					ret = utf8encode(&c, cp);
+					cp += ret;
+					len = 0;
+				}
+			} else {
+				*cp++ = '\033';
+			}
+		}
 
 		memcpy(cp, xstr, len);
 		len = cp - buf + len;