X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=27536d28acea16b88ae9dab60de263c6408fcb20;hb=66556d967028a0b770e9bfcb9667389a6e994a58;hp=005bf1d560ba309a6921086bdf03635d7dc5765d;hpb=82335583eba15e87749d0e663270353005fca30b;p=st.git

diff --git a/st.c b/st.c
index 005bf1d..27536d2 100644
--- a/st.c
+++ b/st.c
@@ -68,6 +68,7 @@ char *argv0;
 #define LEN(a)			(sizeof(a) / sizeof(a)[0])
 #define DEFAULT(a, b)		(a) = (a) ? (a) : (b)
 #define BETWEEN(x, a, b)	((a) <= (x) && (x) <= (b))
+#define DIVCEIL(n, d)		(((n) + ((d) - 1)) / (d))
 #define ISCONTROLC0(c)		(BETWEEN(c, 0, 0x1f) || (c) == '\177')
 #define ISCONTROLC1(c)		(BETWEEN(c, 0x80, 0x9f))
 #define ISCONTROL(c)		(ISCONTROLC0(c) || ISCONTROLC1(c))
@@ -439,7 +440,6 @@ static void xresettitle(void);
 static void xsetpointermotion(int);
 static void xseturgency(int);
 static void xsetsel(char *, Time);
-static void xtermclear(int, int, int, int);
 static void xunloadfont(Font *);
 static void xunloadfonts(void);
 static void xresize(int, int);
@@ -1404,9 +1404,9 @@ stty(void)
 		if ((n = strlen(s)) > siz-1)
 			die("stty parameter length too long\n");
 		*q++ = ' ';
-		q = memcpy(q, s, n);
+		memcpy(q, s, n);
 		q += n;
-		siz-= n + 1;
+		siz -= n + 1;
 	}
 	*q = '\0';
 	if (system(cmd) != 0)
@@ -1441,8 +1441,6 @@ ttynew(void)
 	if (openpty(&m, &s, NULL, NULL, &w) < 0)
 		die("openpty failed: %s\n", strerror(errno));
 
-	ttyresize();
-
 	switch (pid = fork()) {
 	case -1:
 		die("fork failed\n");
@@ -3215,17 +3213,6 @@ xsetcolorname(int x, const char *name)
 	return 0;
 }
 
-void
-xtermclear(int col1, int row1, int col2, int row2)
-{
-	XftDrawRect(xw.draw,
-			&dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
-			borderpx + col1 * xw.cw,
-			borderpx + row1 * xw.ch,
-			(col2-col1+1) * xw.cw,
-			(row2-row1+1) * xw.ch);
-}
-
 /*
  * Absolute coordinates.
  */
@@ -3291,6 +3278,7 @@ xloadfont(Font *f, FcPattern *pattern)
 {
 	FcPattern *match;
 	FcResult result;
+	XGlyphInfo extents;
 
 	match = FcFontMatch(NULL, pattern, &result);
 	if (!match)
@@ -3301,6 +3289,10 @@ xloadfont(Font *f, FcPattern *pattern)
 		return 1;
 	}
 
+	XftTextExtentsUtf8(xw.dpy, f->match,
+		(const FcChar8 *) ascii_printable,
+		strlen(ascii_printable), &extents);
+
 	f->set = NULL;
 	f->pattern = FcPatternDuplicate(pattern);
 
@@ -3310,7 +3302,7 @@ xloadfont(Font *f, FcPattern *pattern)
 	f->rbearing = f->match->max_advance_width;
 
 	f->height = f->ascent + f->descent;
-	f->width = f->lbearing + f->rbearing;
+	f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
 
 	return 0;
 }
@@ -3427,6 +3419,7 @@ xzoomabs(const Arg *arg)
 	xunloadfonts();
 	xloadfonts(usedfont, arg->f);
 	cresize(0, 0);
+	ttyresize();
 	redraw();
 	xhints();
 }
@@ -3678,7 +3671,7 @@ xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x
 		specs[numspecs].font = frc[f].font;
 		specs[numspecs].glyph = glyphidx;
 		specs[numspecs].x = (short)xp;
-		specs[numspecs].y = (short)(winy + frc[f].font->ascent);
+		specs[numspecs].y = (short)yp;
 		xp += runewidth;
 		numspecs++;
 	}
@@ -3984,7 +3977,6 @@ drawregion(int x1, int y1, int x2, int y2)
 		if (!term.dirty[y])
 			continue;
 
-		xtermclear(0, y, term.col, y);
 		term.dirty[y] = 0;
 
 		specs = term.specbuf;
@@ -4210,7 +4202,6 @@ cresize(int width, int height)
 
 	tresize(col, row);
 	xresize(col, row);
-	ttyresize();
 }
 
 void
@@ -4220,6 +4211,7 @@ resize(XEvent *e)
 		return;
 
 	cresize(e->xconfigure.width, e->xconfigure.height);
+	ttyresize();
 }
 
 void
@@ -4248,8 +4240,9 @@ run(void)
 		}
 	} while (ev.type != MapNotify);
 
-	ttynew();
 	cresize(w, h);
+	ttynew();
+	ttyresize();
 
 	clock_gettime(CLOCK_MONOTONIC, &last);
 	lastblink = last;
@@ -4333,12 +4326,14 @@ run(void)
 void
 usage(void)
 {
-	die("usage: %s "
-	"[-aiv] [-c class] [-f font] [-g geometry] [-n name] [-o file]\n       "
-	"   [-T title] [-t title] [-w windowid] [[-e] command [args ...]\n     "
-	"  %s [-aiv] [-c class] [-f font] [-g geometry] [-n name] [-o file]\n  "
-	"        [-o file] [-T title] [-t title] [-w windowid] -l line"
-	" [stty_args ...]\n", argv0, argv0);
+	die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
+	    " [-n name] [-o file]\n"
+	    "          [-T title] [-t title] [-w windowid]"
+	    " [[-e] command [args ...]]\n"
+	    "       %s [-aiv] [-c class] [-f font] [-g geometry]"
+	    " [-n name] [-o file]\n"
+	    "          [-T title] [-t title] [-w windowid] -l line"
+	    " [stty_args ...]\n", argv0, argv0);
 }
 
 int