X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=6117c929df5a053b5114f913574a7f9000f02379;hb=efaf1c2a94ed9193c04c3a67f374d31f988b0e9a;hp=300e5ec571b19ce24e5f3af43a3a11b4486e908f;hpb=3865e9eaaf4e1c7820b1f41ce9d0b1d7b109fb26;p=st.git

diff --git a/st.c b/st.c
index 300e5ec..6117c92 100644
--- a/st.c
+++ b/st.c
@@ -348,6 +348,7 @@ static void xclear(int, int, int, int);
 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);
+static int xsetcolorname(int, const char *);
 static int xloadfont(Font *, FcPattern *);
 static void xloadfonts(char *, int);
 static void xresettitle(void);
@@ -939,7 +940,7 @@ brelease(XEvent *e) {
 
 void
 bmotion(XEvent *e) {
-	int oldey, oldex;
+	int oldey, oldex, oldsby, oldsey;
 
 	if(IS_SET(MODE_MOUSE)) {
 		mousereport(e);
@@ -951,10 +952,12 @@ bmotion(XEvent *e) {
 
 	oldey = sel.ey;
 	oldex = sel.ex;
+	oldsby = sel.b.y;
+	oldsey = sel.e.y;
 	getbuttoninfo(e);
 
 	if(oldey != sel.ey || oldex != sel.ex) {
-		tsetdirt(sel.b.y, sel.e.y);
+		tsetdirt(MIN(sel.b.y, oldsby), MAX(sel.e.y, oldsey));
 	}
 }
 
@@ -1857,32 +1860,38 @@ csireset(void) {
 
 void
 strhandle(void) {
-	char *p;
+	char *p = NULL;
+	int i, j, narg;
+	XTextProperty prop;
 
-	/*
-	 * TODO: make this being useful in case of color palette change.
-	 */
 	strparse();
-
-	p = strescseq.buf;
+	narg = strescseq.narg;
 
 	switch(strescseq.type) {
 	case ']': /* OSC -- Operating System Command */
-		switch(p[0]) {
-		case '0':
-		case '1':
-		case '2':
-			/*
-			 * TODO: Handle special chars in string, like umlauts.
-			 */
-			if(p[1] == ';') {
-				XStoreName(xw.dpy, xw.win, strescseq.buf+2);
+		switch(i = atoi(strescseq.args[0])) {
+		case 0:
+		case 1:
+		case 2:
+			if(narg > 1) {
+				p += 2;
+				Xutf8TextListToTextProperty(xw.dpy, &p, 1,
+						XUTF8StringStyle, &prop);
+				XSetWMName(xw.dpy, xw.win, &prop);
 			}
 			break;
-		case ';':
-			XStoreName(xw.dpy, xw.win, strescseq.buf+1);
-			break;
-		case '4': /* TODO: Set color (arg0) to "rgb:%hexr/$hexg/$hexb" (arg1) */
+		case 4: /* color set */
+			if(narg < 3)
+				break;
+			p = strescseq.args[2];
+			/* fall through */
+		case 104: /* color reset, here p = NULL */
+			j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
+			if (!xsetcolorname(j, p)) {
+				fprintf(stderr, "erresc: invalid color %s\n", p);
+			} else {
+				redraw(0); /* TODO if defaultbg color is changed, borders are dirty */
+			}
 			break;
 		default:
 			fprintf(stderr, "erresc: unknown str ");
@@ -1891,7 +1900,10 @@ strhandle(void) {
 		}
 		break;
 	case 'k': /* old title set compatibility */
-		XStoreName(xw.dpy, xw.win, strescseq.buf);
+		p += 1;
+		Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
+				&prop);
+		XSetWMName(xw.dpy, xw.win, &prop);
 		break;
 	case 'P': /* DSC -- Device Control String */
 	case '_': /* APC -- Application Program Command */
@@ -1910,7 +1922,19 @@ strparse(void) {
 	 * TODO: Implement parsing like for CSI when required.
 	 * Format: ESC type cmd ';' arg0 [';' argn] ESC \
 	 */
-	return;
+	int narg = 0;
+	char *start = strescseq.buf, *end = start + strescseq.len;
+	strescseq.args[0] = start;
+	while(start < end && narg < LEN(strescseq.args)) {
+		start = memchr(start, ';', end - start);
+		if(!start)
+			break;
+		*start++ = '\0';
+		if(start < end) {
+			strescseq.args[++narg] = start;
+		}
+	}
+	strescseq.narg = narg + 1;
 }
 
 void
@@ -2325,6 +2349,11 @@ xresize(int col, int row) {
 	XftDrawChange(xw.draw, xw.buf);
 }
 
+static inline ushort
+sixd_to_16bit(int x) {
+	return x == 0 ? 0 : 0x3737 + 0x2828 * x;
+}
+
 void
 xloadcols(void) {
 	int i, r, g, b;
@@ -2343,9 +2372,9 @@ xloadcols(void) {
 	for(i = 16, r = 0; r < 6; r++) {
 		for(g = 0; g < 6; g++) {
 			for(b = 0; b < 6; b++) {
-				color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
-				color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
-				color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
+				color.red = sixd_to_16bit(r);
+				color.green = sixd_to_16bit(g);
+				color.blue = sixd_to_16bit(b);
 				if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
 					die("Could not allocate color %d\n", i);
 				}
@@ -2363,6 +2392,38 @@ xloadcols(void) {
 	}
 }
 
+int
+xsetcolorname(int x, const char *name) {
+	XRenderColor color = { .alpha = 0xffff };
+	Colour colour;
+	if (x < 0 || x > LEN(colorname))
+		return -1;
+	if(!name) {
+		if(16 <= x && x < 16 + 216) {
+			int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6;
+			color.red = sixd_to_16bit(r);
+			color.green = sixd_to_16bit(g);
+			color.blue = sixd_to_16bit(b);
+			if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+				return 0; /* something went wrong */
+			dc.col[x] = colour;
+			return 1;
+		} else if (16 + 216 <= x && x < 256) {
+			color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216));
+			if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
+				return 0; /* something went wrong */
+			dc.col[x] = colour;
+			return 1;
+		} else {
+			name = colorname[x];
+		}
+	}
+	if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour))
+		return 0;
+	dc.col[x] = colour;
+	return 1;
+}
+
 void
 xtermclear(int col1, int row1, int col2, int row2) {
 	XftDrawRect(xw.draw,