X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=b4dc5912b371c7e16d0c5740ffc2b7818f5b7025;hb=2752018e27420947a034d50f1ce165bbb76ae1a8;hp=bb8032130aebccb432807b2e8a7ff42db93b702d;hpb=29b209f5f55c80e457a5a913a463bd24f8e307e9;p=st.git

diff --git a/st.c b/st.c
index bb80321..b4dc591 100644
--- a/st.c
+++ b/st.c
@@ -26,6 +26,7 @@
 #include <X11/keysym.h>
 #include <X11/extensions/Xdbe.h>
 #include <X11/Xft/Xft.h>
+#include <fontconfig/fontconfig.h>
 #define Glyph Glyph_
 #define Font Font_
 
@@ -39,8 +40,8 @@
 
 #define USAGE \
 	"st " VERSION " (c) 2010-2012 st engineers\n" \
-	"usage: st [-t title] [-c class] [-g geometry]" \
-	" [-w windowid] [-v] [-f file] [-e command...]\n"
+	"usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+	" [-t title] [-w windowid] [-e command ...]\n"
 
 /* XEMBED messages */
 #define XEMBED_FOCUS_IN  4
@@ -235,17 +236,17 @@ typedef struct {
 
 /* Font structure */
 typedef struct {
+	int height;
+	int width;
 	int ascent;
 	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 +300,14 @@ 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 +339,7 @@ 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,
@@ -364,11 +368,12 @@ static int cmdfd;
 static pid_t pid;
 static Selection sel;
 static int iofd = -1;
-static char **opt_cmd  = NULL;
-static char *opt_io    = NULL;
+static char **opt_cmd = NULL;
+static char *opt_io = NULL;
 static char *opt_title = NULL;
 static char *opt_embed = NULL;
 static char *opt_class = NULL;
+static char *opt_font = NULL;
 
 void *
 xmalloc(size_t len) {
@@ -393,6 +398,44 @@ 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;
@@ -1305,9 +1348,9 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 			case 1: /* DECCKM -- Cursor key */
 				MODBIT(term.mode, set, MODE_APPKEYPAD);
 				break;
-			case 5: /* DECSCNM -- Reverve video */
+			case 5: /* DECSCNM -- Reverse video */
 				mode = term.mode;
-				MODBIT(term.mode,set, MODE_REVERSE);
+				MODBIT(term.mode, set, MODE_REVERSE);
 				if(mode != term.mode)
 					redraw();
 				break;
@@ -1789,7 +1832,7 @@ 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 */
@@ -1914,50 +1957,69 @@ 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 */
-	for(i = 16, r = 0; r < 6; r++)
-		for(g = 0; g < 6; g++)
+	for(i = 16, r = 0; r < 6; r++) {
+		for(g = 0; g < 6; g++) {
 			for(b = 0; b < 6; b++) {
 				xft_color.red = r == 0 ? 0 : 0x3737 + 0x2828 * r;
 				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;
-			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);
+		}
 	}
 }
 
 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
@@ -1987,23 +2049,50 @@ xhints(void) {
 
 void
 xinitfont(Font *f, char *fontstr) {
-	f->xft_set = XftFontOpenName(xw.dpy, xw.scr, fontstr);
-
-	if(!f->xft_set)
+	FcPattern *pattern, *match;
+	FcResult result;
+
+	pattern = FcNameParse((FcChar8 *)fontstr);
+	if(!pattern)
+		die("st: can't open font %s\n", fontstr);
+
+	match = XftFontMatch(xw.dpy, xw.scr, pattern, &result);
+	FcPatternDestroy(pattern);
+	if(!match)
+		die("st: can't open font %s\n", fontstr);
+	if(!(f->xft_set = XftFontOpenPattern(xw.dpy, match))) {
+		FcPatternDestroy(match);
 		die("st: can't open font %s.\n", fontstr);
+	}
 
 	f->ascent = f->xft_set->ascent;
 	f->descent = f->xft_set->descent;
 	f->lbearing = 0;
 	f->rbearing = f->xft_set->max_advance_width;
+
+	f->height = f->xft_set->height;
+	f->width = f->lbearing + f->rbearing;
 }
 
 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);
+	xw.cw = dc.font.width;
+	xw.ch = dc.font.height;
+
+	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
@@ -2019,11 +2108,7 @@ xinit(void) {
 	xw.vis = XDefaultVisual(xw.dpy, xw.scr);
 
 	/* font */
-	initfonts(FONT, BOLDFONT, ITALICFONT, ITALICBOLDFONT);
-
-	/* XXX: Assuming same size for bold font */
-	xw.cw = dc.font.rbearing - dc.font.lbearing;
-	xw.ch = dc.font.ascent + dc.font.descent;
+	initfonts((opt_font != NULL)? opt_font : FONT);
 
 	/* colors */
 	xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
@@ -2048,8 +2133,8 @@ 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
@@ -2097,42 +2182,61 @@ xinit(void) {
 
 void
 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
-	int fg = base.fg, bg = base.bg, temp;
-	int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch + dc.font.ascent, width = charlen*xw.cw;
+	int winx = BORDER+x*xw.cw, winy = BORDER+y*xw.ch,
+	    width = charlen*xw.cw;
 	Font *font = &dc.font;
 	XGlyphInfo extents;
-
-	/* only switch default fg/bg if term is in RV mode */
-	if(IS_SET(MODE_REVERSE)) {
-		if(fg == DefaultFG)
-			fg = DefaultBG;
-		if(bg == DefaultBG)
-			bg = DefaultFG;
-	}
+	XftColor *fg = &dc.xft_col[base.fg], *bg = &dc.xft_col[base.bg],
+		 *temp, revfg, revbg;
+	XRenderColor colfg, colbg;
 
 	if(base.mode & ATTR_REVERSE)
 		temp = fg, fg = bg, bg = temp;
-
 	if(base.mode & ATTR_BOLD) {
-		fg += 8;
+		fg = &dc.xft_col[base.fg + 8];
 		font = &dc.bfont;
 	}
-
 	if(base.mode & ATTR_ITALIC)
 		font = &dc.ifont;
 	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]);
+	if(IS_SET(MODE_REVERSE)) {
+		if(fg == &dc.xft_col[DefaultFG]) {
+			fg = &dc.xft_col[DefaultBG];
+		} else {
+			colfg.red = ~fg->color.red;
+			colfg.green = ~fg->color.green;
+			colfg.blue = ~fg->color.blue;
+			colfg.alpha = fg->color.alpha;
+			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+			fg = &revfg;
+		}
+
+		if(bg == &dc.xft_col[DefaultBG]) {
+			bg = &dc.xft_col[DefaultFG];
+		} else {
+			colbg.red = ~bg->color.red;
+			colbg.green = ~bg->color.green;
+			colbg.blue = ~bg->color.blue;
+			colbg.alpha = bg->color.alpha;
+			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
+			bg = &revbg;
+		}
+	}
 
-	XftTextExtentsUtf8(xw.dpy, font->xft_set, (FcChar8 *)s, bytelen, &extents);
+	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);
+	XftDrawRect(xw.xft_draw, bg, winx, winy, width, xw.ch);
+	XftDrawStringUtf8(xw.xft_draw, fg, font->xft_set, winx,
+			winy + font->ascent, (FcChar8 *)s, bytelen);
+
+	if(base.mode & ATTR_UNDERLINE) {
+		XftDrawRect(xw.xft_draw, fg, winx, winy+1,
+				width, 1);
+	}
 }
 
 void
@@ -2153,7 +2257,7 @@ 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)) {
@@ -2178,7 +2282,7 @@ 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 */
@@ -2186,7 +2290,7 @@ redraw(void) {
 }
 
 void
-draw() {
+draw(void) {
 	XdbeSwapInfo swpinfo[1] = {{xw.win, XdbeCopied}};
 
 	drawregion(0, 0, term.col, term.row);
@@ -2208,7 +2312,7 @@ 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;
@@ -2371,9 +2475,9 @@ 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();
 }
 
@@ -2436,22 +2540,19 @@ main(int argc, char *argv[]) {
 
 	for(i = 1; i < argc; i++) {
 		switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
-		case 't':
-			if(++i < argc) opt_title = argv[i];
-			break;
 		case 'c':
-			if(++i < argc) opt_class = argv[i];
-			break;
-		case 'w':
-			if(++i < argc) opt_embed = argv[i];
-			break;
-		case 'f':
-			if(++i < argc) opt_io = argv[i];
+			if(++i < argc)
+				opt_class = argv[i];
 			break;
 		case 'e':
 			/* eat every remaining arguments */
-			if(++i < argc) opt_cmd = &argv[i];
+			if(++i < argc)
+				opt_cmd = &argv[i];
 			goto run;
+		case 'f':
+			if(++i < argc)
+				opt_font = argv[i];
+			break;
 		case 'g':
 			if(++i >= argc)
 				break;
@@ -2473,9 +2574,21 @@ main(int argc, char *argv[]) {
 			if(xw.fh != 0 && xw.fw != 0)
 				xw.isfixed = True;
 			break;
+		case 'o':
+			if(++i < argc)
+				opt_io = argv[i];
+			break;
+		case 't':
+			if(++i < argc)
+				opt_title = argv[i];
+			break;
 		case 'v':
 		default:
 			die(USAGE);
+		case 'w':
+			if(++i < argc)
+				opt_embed = argv[i];
+			break;
 		}
 	}