X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/708b697ed77e1ba4e96399ed6cb0f73a37565321..b0bddc694a79dd24edb8f997acadecbff356a9e0:/st.c

diff --git a/st.c b/st.c
index db9a332..e27daf0 100644
--- a/st.c
+++ b/st.c
@@ -63,8 +63,6 @@ char *argv0;
 #define XK_NO_MOD     0
 #define XK_SWITCH_MOD (1<<13)
 
-#define REDRAW_TIMEOUT (80*1000) /* 80 ms */
-
 /* macros */
 #define MIN(a, b)  ((a) < (b) ? (a) : (b))
 #define MAX(a, b)  ((a) < (b) ? (b) : (a))
@@ -349,7 +347,7 @@ typedef struct {
 
 static void die(const char *, ...);
 static void draw(void);
-static void redraw(int);
+static void redraw(void);
 static void drawregion(int, int, int, int);
 static void execsh(void);
 static void sigchld(int);
@@ -524,6 +522,7 @@ enum {
 typedef struct {
 	XftFont *font;
 	int flags;
+	long unicodep;
 } Fontcache;
 
 /* Fontcache is an array now. A new font will be appended to the array. */
@@ -1826,7 +1825,7 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 				mode = term.mode;
 				MODBIT(term.mode, set, MODE_REVERSE);
 				if(mode != term.mode)
-					redraw(REDRAW_TIMEOUT);
+					redraw();
 				break;
 			case 6: /* DECOM -- Origin */
 				MODBIT(term.c.state, set, CURSOR_ORIGIN);
@@ -2200,7 +2199,7 @@ strhandle(void) {
 				 * TODO if defaultbg color is changed, borders
 				 * are dirty
 				 */
-				redraw(0);
+				redraw();
 			}
 			return;
 		}
@@ -2673,13 +2672,16 @@ tputc(char *c, int len) {
 	if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
 		gp->mode |= ATTR_WRAP;
 		tnewline(1);
+		gp = &term.line[term.c.y][term.c.x];
 	}
 
-	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
-		memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph));
+	if(IS_SET(MODE_INSERT) && term.c.x+width < term.col)
+		memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
 
-	if(term.c.x+width > term.col)
+	if(term.c.x+width > term.col) {
 		tnewline(1);
+		gp = &term.line[term.c.y][term.c.x];
+	}
 
 	tsetchar(c, &term.c.attr, term.c.x, term.c.y);
 
@@ -2989,7 +2991,7 @@ xloadfonts(char *fontstr, double fontsize) {
 	if(!pattern)
 		die("st: can't open font %s\n", fontstr);
 
-	if(fontsize > 0) {
+	if(fontsize > 1) {
 		FcPatternDel(pattern, FC_PIXEL_SIZE);
 		FcPatternDel(pattern, FC_SIZE);
 		FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
@@ -3090,7 +3092,7 @@ xzoomabs(const Arg *arg) {
 	xunloadfonts();
 	xloadfonts(usedfont, arg->i);
 	cresize(0, 0);
-	redraw(0);
+	redraw();
 	xhints();
 }
 
@@ -3207,7 +3209,7 @@ void
 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
 	    width = charlen * xw.cw, xp, i;
-	int frcflags;
+	int frcflags, charexists;
 	int u8fl, u8fblen, u8cblen, doesexist;
 	char *u8c, *u8fs;
 	long unicodep;
@@ -3390,8 +3392,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 
 		/* Search the font cache. */
 		for(i = 0; i < frclen; i++) {
-			if(XftCharExists(xw.dpy, frc[i].font, unicodep)
-					&& frc[i].flags == frcflags) {
+			charexists = XftCharExists(xw.dpy, frc[i].font, unicodep);
+			/* Everything correct. */
+			if(charexists && frc[i].flags == frcflags)
+				break;
+			/* We got a default font for a not found glyph. */
+			if(!charexists && frc[i].flags == frcflags \
+					&& unicodep == unicodep) {
 				break;
 			}
 		}
@@ -3420,10 +3427,11 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 
 			FcConfigSubstitute(0, fcpattern,
 					FcMatchPattern);
+			FcPatternPrint(fcpattern);
 			FcDefaultSubstitute(fcpattern);
 
-			fontpattern = FcFontSetMatch(0, fcsets,
-					FcTrue, fcpattern, &fcres);
+			fontpattern = FcFontSetMatch(0, fcsets, 1,
+					fcpattern, &fcres);
 
 			/*
 			 * Overwrite or create the new cache entry.
@@ -3431,11 +3439,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 			if(frclen >= LEN(frc)) {
 				frclen = LEN(frc) - 1;
 				XftFontClose(xw.dpy, frc[frclen].font);
+				frc[frclen].unicodep = 0;
 			}
 
 			frc[frclen].font = XftFontOpenPattern(xw.dpy,
 					fontpattern);
 			frc[frclen].flags = frcflags;
+			frc[frclen].unicodep = unicodep;
 
 			i = frclen;
 			frclen++;
@@ -3555,16 +3565,9 @@ xresettitle(void) {
 }
 
 void
-redraw(int timeout) {
-	struct timespec tv = {0, timeout * 1000};
-
+redraw(void) {
 	tfulldirt();
 	draw();
-
-	if(timeout > 0) {
-		nanosleep(&tv, NULL);
-		XSync(xw.dpy, False); /* necessary for a good tput flash */
-	}
 }
 
 void
@@ -3631,7 +3634,7 @@ expose(XEvent *ev) {
 		if(!e->count)
 			xw.state &= ~WIN_REDRAW;
 	}
-	redraw(0);
+	redraw();
 }
 
 void
@@ -3935,7 +3938,7 @@ run(void) {
 
 void
 usage(void) {
-	die("%s " VERSION " (c) 2010-2014 st engineers\n" \
+	die("%s " VERSION " (c) 2010-2015 st engineers\n" \
 	"usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]\n"
 	"          [-i] [-t title] [-w windowid] [-e command ...]\n", argv0);
 }