X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=710cf344fa61e305f1a23f37ec15d1c164e94fc3;hb=9cae1eb0ded2e1ca604753893e2307531ef73afc;hp=515dfb169dc0c3966da028779422412da1f9cdc1;hpb=a7d7e29300acade90f2025f0b85fa5eae06edb24;p=st.git

diff --git a/st.c b/st.c
index 515dfb1..710cf34 100644
--- a/st.c
+++ b/st.c
@@ -239,13 +239,11 @@ typedef struct {
 	int descent;
 	short lbearing;
 	short rbearing;
-	XFontSet set;
 	XftFont* xft_set;
 } Font;
 
 /* Drawing Context */
 typedef struct {
-	ulong col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
 	XftColor xft_col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
 	GC gc;
 	Font font, bfont, ifont, ibfont;
@@ -299,12 +297,14 @@ static void ttywrite(const char *, size_t);
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
 static void xclear(int, int, int, int);
+static void xclearborders(void);
 static void xdrawcursor(void);
 static void xinit(void);
 static void xloadcols(void);
 static void xresettitle(void);
 static void xseturgency(int);
 static void xsetsel(char*);
+static void xtermclear(int, int, int, int);
 static void xresize(int, int);
 
 static void expose(XEvent *);
@@ -336,6 +336,7 @@ static int isfullutf8(char *, int);
 static void *xmalloc(size_t);
 static void *xrealloc(void *, size_t);
 static void *xcalloc(size_t nmemb, size_t size);
+static char *smstrcat(char *, ...);
 
 static void (*handler[LASTEvent])(XEvent *) = {
 	[KeyPress] = kpress,
@@ -393,6 +394,44 @@ xcalloc(size_t nmemb, size_t size) {
 	return p;
 }
 
+char *
+smstrcat(char *src, ...)
+{
+	va_list fmtargs;
+	char *ret, *p, *v;
+	int len, slen, flen;
+
+	len = slen = strlen(src);
+
+	va_start(fmtargs, src);
+	for(;;) {
+		v = va_arg(fmtargs, char *);
+		if(v == NULL)
+			break;
+		len += strlen(v);
+	}
+	va_end(fmtargs);
+
+	p = ret = xmalloc(len+1);
+	memmove(p, src, slen);
+	p += slen;
+
+	va_start(fmtargs, src);
+	for(;;) {
+		v = va_arg(fmtargs, char *);
+		if(v == NULL)
+			break;
+		flen = strlen(v);
+		memmove(p, v, flen);
+		p += flen;
+	}
+	va_end(fmtargs);
+
+	ret[len] = '\0';
+
+	return ret;
+}
+
 int
 utf8decode(char *s, long *u) {
 	uchar c;
@@ -1307,7 +1346,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 				break;
 			case 5: /* DECSCNM -- Reverve video */
 				mode = term.mode;
-				MODBIT(term.mode,set, MODE_REVERSE);
+				MODBIT(term.mode, set, MODE_REVERSE);
 				if(mode != term.mode)
 					redraw();
 				break;
@@ -1668,6 +1707,35 @@ tputc(char *c, int len) {
 	if(iofd != -1)
 		write(iofd, c, len);
 
+	switch(ascii) {
+	case '\t':
+		tputtab(1);
+		return;
+	case '\b':
+		tmoveto(term.c.x-1, term.c.y);
+		return;
+	case '\r':
+		tmoveto(0, term.c.y);
+		return;
+	case '\f':
+	case '\v':
+	case '\n':
+		/* go to first col if the mode is set */
+		tnewline(IS_SET(MODE_CRLF));
+		return;
+	case '\a':
+		if(term.esc & ESC_STR)
+			break;
+
+		if(!(xw.state & WIN_FOCUSED))
+			xseturgency(1);
+		return;
+	case '\033':
+		csireset();
+		term.esc = ESC_START;
+		return;
+	}
+
 	if(term.esc & ESC_START) {
 		if(term.esc & ESC_CSI) {
 			csiescseq.buf[csiescseq.len++] = ascii;
@@ -1760,7 +1828,7 @@ tputc(char *c, int len) {
 			case 'c': /* RIS -- Reset to inital state */
 				treset();
 				term.esc = 0;
-				xclear(0, 0, xw.w, xw.h);
+				xclearborders();
 				xresettitle();
 				break;
 			case '=': /* DECPAM -- Application keypad */
@@ -1791,40 +1859,14 @@ tputc(char *c, int len) {
 	} else {
 		if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
 			sel.bx = -1;
-		switch(ascii) {
-		case '\t':
-			tputtab(1);
-			break;
-		case '\b':
-			tmoveto(term.c.x-1, term.c.y);
-			break;
-		case '\r':
-			tmoveto(0, term.c.y);
-			break;
-		case '\f':
-		case '\v':
-		case '\n':
-			/* go to first col if the mode is set */
-			tnewline(IS_SET(MODE_CRLF));
-			break;
-		case '\a':
-			if(!(xw.state & WIN_FOCUSED))
-				xseturgency(1);
-			break;
-		case '\033':
-			csireset();
-			term.esc = ESC_START;
-			break;
-		default:
-			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;
-			}
+		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;
 		}
 	}
 }
@@ -1911,17 +1953,14 @@ void
 xloadcols(void) {
 	int i, r, g, b;
 	XRenderColor xft_color = { .alpha = 0 };
-	ulong white = WhitePixel(xw.dpy, xw.scr);
 
 	/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
 	for(i = 0; i < LEN(colorname); i++) {
 		if(!colorname[i])
 			continue;
 		if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, colorname[i], &dc.xft_col[i])) {
-			dc.col[i] = white;
-			fprintf(stderr, "Could not allocate color '%s'\n", colorname[i]);
-		} else
-			dc.col[i] = dc.xft_col[i].pixel;
+			die("Could not allocate color '%s'\n", colorname[i]);
+		}
 	}
 
 	/* load colors [16-255] ; same colors as xterm */
@@ -1932,29 +1971,50 @@ xloadcols(void) {
 				xft_color.green = g == 0 ? 0 : 0x3737 + 0x2828 * g;
 				xft_color.blue = b == 0 ? 0 : 0x3737 + 0x2828 * b;
 				if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) {
-					dc.col[i] = white;
-					fprintf(stderr, "Could not allocate color %d\n", i);
-				} else
-					dc.col[i] = dc.xft_col[i].pixel;
+					die("Could not allocate color %d\n", i);
+				}
 				i++;
 			}
 
 	for(r = 0; r < 24; r++, i++) {
 		xft_color.red = xft_color.green = xft_color.blue = 0x0808 + 0x0a0a * r;
 		if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &xft_color, &dc.xft_col[i])) {
-			dc.col[i] = white;
+			dc.xft_col[i] = dc.xft_col[256];
 			fprintf(stderr, "Could not allocate color %d\n", i);
-		} else
-			dc.col[i] = dc.xft_col[i].pixel;
+		}
 	}
 }
 
 void
+xtermclear(int col1, int row1, int col2, int row2) {
+	XftDrawRect(xw.xft_draw,
+			&dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+			BORDER + col1 * xw.cw,
+			BORDER + row1 * xw.ch,
+			(col2-col1+1) * xw.cw,
+			(row2-row1+1) * xw.ch);
+}
+
+/*
+ * Absolute coordinates.
+ */
+void
 xclear(int x1, int y1, int x2, int y2) {
-	XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG]);
-	XFillRectangle(xw.dpy, xw.buf, dc.gc,
-		       BORDER + x1 * xw.cw, BORDER + y1 * xw.ch,
-		       (x2-x1+1) * xw.cw, (y2-y1+1) * xw.ch);
+	XftDrawRect(xw.xft_draw,
+			&dc.xft_col[IS_SET(MODE_REVERSE) ? DefaultFG : DefaultBG],
+			x1, y1, x2-x1, y2-y1);
+}
+
+void
+xclearborders(void) {
+	/* top and left border */
+	xclear(0, 0, BORDER, xw.h);
+	xclear(0, 0, xw.w, BORDER);
+
+	/* lower and right border */
+	xclear(BORDER, xw.th - 1, xw.w, xw.h);
+	/* Will just draw what hasn't been drawn by the previous call. */
+	xclear(xw.tw - 1, BORDER, xw.w, xw.h - xw.th - 2);
 }
 
 void
@@ -1996,11 +2056,22 @@ xinitfont(Font *f, char *fontstr) {
 }
 
 void
-initfonts(char *fontstr, char *bfontstr, char *ifontstr, char *ibfontstr) {
+initfonts(char *fontstr) {
+	char *fstr;
+
 	xinitfont(&dc.font, fontstr);
-	xinitfont(&dc.bfont, bfontstr);
-	xinitfont(&dc.ifont, ifontstr);
-	xinitfont(&dc.ibfont, ibfontstr);
+
+	fstr = smstrcat(fontstr, ":weight=bold", NULL);
+	xinitfont(&dc.bfont, fstr);
+	free(fstr);
+
+	fstr = smstrcat(fontstr, ":slant=italic,oblique", NULL);
+	xinitfont(&dc.ifont, fstr);
+	free(fstr);
+
+	fstr = smstrcat(fontstr, ":weight=bold:slant=italic,oblique", NULL);
+	xinitfont(&dc.ibfont, fstr);
+	free(fstr);
 }
 
 void
@@ -2016,7 +2087,7 @@ xinit(void) {
 	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
 
 	/* font */
-	initfonts(FONT, BOLDFONT, ITALICFONT, ITALICBOLDFONT);
+	initfonts(FONT);
 
 	/* XXX: Assuming same size for bold font */
 	xw.cw = dc.font.rbearing - dc.font.lbearing;
@@ -2045,8 +2116,8 @@ xinit(void) {
 		xw.fy = 0;
 	}
 
-	attrs.background_pixel = dc.col[DefaultBG];
-	attrs.border_pixel = dc.col[DefaultBG];
+	attrs.background_pixel = dc.xft_col[DefaultBG].pixel;
+	attrs.border_pixel = dc.xft_col[DefaultBG].pixel;
 	attrs.bit_gravity = NorthWestGravity;
 	attrs.event_mask = FocusChangeMask | KeyPressMask
 		| ExposureMask | VisibilityChangeMask | StructureNotifyMask
@@ -2120,16 +2191,15 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	if(base.mode & (ATTR_ITALIC|ATTR_ITALIC))
 		font = &dc.ibfont;
 
-	XSetBackground(xw.dpy, dc.gc, dc.col[bg]);
-	XSetForeground(xw.dpy, dc.gc, dc.col[fg]);
-
 	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);
 	XftDrawStringUtf8(xw.xft_draw, &dc.xft_col[fg], font->xft_set, winx, winy, (FcChar8 *)s, bytelen);
 
-	if(base.mode & ATTR_UNDERLINE)
-		XDrawLine(xw.dpy, xw.buf, dc.gc, winx, winy+1, winx+width-1, winy+1);
+	if(base.mode & ATTR_UNDERLINE) {
+		XftDrawRect(xw.xft_draw, &dc.xft_col[fg], winx, winy+1,
+				width, 1);
+	}
 }
 
 void
@@ -2150,7 +2220,7 @@ xdrawcursor(void) {
 		sl = utf8size(term.line[oldy][oldx].c);
 		xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx, oldy, 1, sl);
 	} else
-		xclear(oldx, oldy, oldx, oldy);
+		xtermclear(oldx, oldy, oldx, oldy);
 
 	/* draw the new one */
 	if(!(term.c.state & CURSOR_HIDE)) {
@@ -2175,7 +2245,7 @@ void
 redraw(void) {
 	struct timespec tv = {0, REDRAW_TIMEOUT * 1000};
 
-	xclear(0, 0, xw.w, xw.h);
+	xclearborders();
 	tfulldirt();
 	draw();
 	XSync(xw.dpy, False); /* necessary for a good tput flash */
@@ -2183,7 +2253,7 @@ redraw(void) {
 }
 
 void
-draw() {
+draw(void) {
 	XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
 
 	drawregion(0, 0, term.col, term.row);
@@ -2205,7 +2275,7 @@ drawregion(int x1, int y1, int x2, int y2) {
 	for(y = y1; y < y2; y++) {
 		if(!term.dirty[y])
 			continue;
-		xclear(0, y, term.col, y);
+		xtermclear(0, y, term.col, y);
 		term.dirty[y] = 0;
 		base = term.line[y][0];
 		ic = ib = ox = 0;
@@ -2368,9 +2438,9 @@ resize(XEvent *e) {
 	if(col == term.col && row == term.row)
 		return;
 
-	xclear(0, 0, xw.w, xw.h);
 	tresize(col, row);
 	xresize(col, row);
+	xclearborders();
 	ttyresize();
 }