X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=4c4a0c35bf57e8a0198600a3f26a497128b34adc;hb=6681af165b06c32cf65bf970a295600d46cb7025;hp=0425c725eb0851696675d23ff3250c8db8a65978;hpb=53105cf74fde46229912275c073f8c0f219b05bb;p=st.git

diff --git a/st.c b/st.c
index 0425c72..4c4a0c3 100644
--- a/st.c
+++ b/st.c
@@ -70,8 +70,9 @@ 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 ISCONTROLC0(c) (BETWEEN((uchar) (c), 0, 0x1f))
-#define ISCONTROLC1(c) (BETWEEN((uchar) (c), 0x80, 0x9f))
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f))
+#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
+#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
 #define LIMIT(x, a, b)    (x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
 #define ATTRCMP(a, b) ((a).mode != (b).mode || (a).fg != (b).fg || (a).bg != (b).bg)
 #define IS_SET(flag) ((term.mode & (flag)) != 0)
@@ -393,6 +394,7 @@ static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void techo(char *, int);
 static bool tcontrolcode(uchar );
+static void tdectest(char );
 static int32_t tdefcolor(int *, int *, int);
 static void tselcs(void);
 static void tdeftran(char);
@@ -402,7 +404,6 @@ static void ttyread(void);
 static void ttyresize(void);
 static void ttysend(char *, size_t);
 static void ttywrite(const char *, size_t);
-static inline bool iscontrol(char);
 
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
@@ -448,6 +449,8 @@ static char *getsel(void);
 static void selcopy(void);
 static void selscroll(int, int);
 static void selsnap(int, int *, int *, int);
+static void getbuttoninfo(XEvent *);
+static void mousereport(XEvent *);
 
 static size_t utf8decode(char *, long *, size_t);
 static long utf8decodebyte(char, size_t *);
@@ -461,6 +464,8 @@ static void *xmalloc(size_t);
 static void *xrealloc(void *, size_t);
 static char *xstrdup(char *);
 
+static void usage(void);
+
 static void (*handler[LASTEvent])(XEvent *) = {
 	[KeyPress] = kpress,
 	[ClientMessage] = cmessage,
@@ -1236,15 +1241,6 @@ ttynew(void) {
 	}
 }
 
-void
-dump(char c) {
-	static int col;
-
-	fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.');
-	if(++col % 10 == 0)
-		fprintf(stderr, "\n");
-}
-
 void
 ttyread(void) {
 	static char buf[BUFSIZ];
@@ -2086,8 +2082,8 @@ csihandle(void) {
 			len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
 					term.c.y+1, term.c.x+1);
 			ttywrite(buf, len);
-			break;
 		}
+		break;
 	case 'r': /* DECSTBM -- Set Scrolling Region */
 		if(csiescseq.priv) {
 			goto unknown;
@@ -2300,17 +2296,12 @@ tputtab(int n) {
 	tmoveto(x, term.c.y);
 }
 
-static inline bool
-iscontrol(char c) {
-	return ISCONTROLC0(c) || ISCONTROLC1(c);
-}
-
 void
 techo(char *buf, int len) {
 	for(; len > 0; buf++, len--) {
 		char c = *buf;
 
-		if(iscontrol(c)) { /* control code */
+		if(ISCONTROL(c)) { /* control code */
 			if(c & 0x80) {
 				c &= 0x7f;
 				tputc("^", 1);
@@ -2430,25 +2421,40 @@ tcontrolcode(uchar ascii) {
 	return 1;
 }
 
+void
+tdectest(char c) {
+	static char E[UTF_SIZ] = "E";
+	int x, y;
+
+	if(c == '8') { /* DEC screen alignment test. */
+		for(x = 0; x < term.col; ++x) {
+			for(y = 0; y < term.row; ++y)
+				tsetchar(E, &term.c.attr, x, y);
+		}
+	}
+}
+
 void
 tputc(char *c, int len) {
 	uchar ascii;
 	bool control;
 	long unicodep;
 	int width;
+	Glyph *gp;
 
 	if(len == 1) {
 		width = 1;
-		ascii = *c;
+		unicodep = ascii = *c;
 	} else {
 		utf8decode(c, &unicodep, UTF_SIZ);
 		width = wcwidth(unicodep);
+		control = ISCONTROLC1(unicodep);
 		ascii = unicodep;
 	}
 
-	control = iscontrol(ascii) && width == 1;
 	if(IS_SET(MODE_PRINT))
 		tprinter(c, len);
+	control = ISCONTROL(unicodep);
 
 	/*
 	 * STR sequence must be checked before anything else
@@ -2460,7 +2466,7 @@ tputc(char *c, int len) {
 		if(width == 1 &&
 		   (ascii == '\a' || ascii == 030 ||
 		    ascii == 032  || ascii == 033 ||
-		    ISCONTROLC1(ascii))) {
+		    ISCONTROLC1(unicodep))) {
 			term.esc &= ~ESC_STR;
 			term.esc |= ESC_STR_END;
 		} else if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
@@ -2508,15 +2514,7 @@ tputc(char *c, int len) {
 			tdeftran(ascii);
 			tselcs();
 		} else if(term.esc & ESC_TEST) {
-			if(ascii == '8') { /* DEC screen alignment test. */
-				char E[UTF_SIZ] = "E";
-				int x, y;
-
-				for(x = 0; x < term.col; ++x) {
-					for(y = 0; y < term.row; ++y)
-						tsetchar(E, &term.c.attr, x, y);
-				}
-			}
+			tdectest(ascii);
 		} else {
 			switch(ascii) {
 			case '[':
@@ -2605,16 +2603,15 @@ tputc(char *c, int len) {
 		return;
 	if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
 		selclear(NULL);
+
+	gp = &term.line[term.c.y][term.c.x];
 	if(IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
-		term.line[term.c.y][term.c.x].mode |= ATTR_WRAP;
+		gp->mode |= ATTR_WRAP;
 		tnewline(1);
 	}
 
-	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
-		memmove(&term.line[term.c.y][term.c.x+1],
-			&term.line[term.c.y][term.c.x],
-			(term.col - term.c.x - 1) * sizeof(Glyph));
-	}
+	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
+		memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph));
 
 	if(term.c.x+width > term.col)
 		tnewline(1);
@@ -2622,10 +2619,10 @@ tputc(char *c, int len) {
 	tsetchar(c, &term.c.attr, term.c.x, term.c.y);
 
 	if(width == 2) {
-		term.line[term.c.y][term.c.x].mode |= ATTR_WIDE;
+		gp->mode |= ATTR_WIDE;
 		if(term.c.x+1 < term.col) {
-			term.line[term.c.y][term.c.x+1].c[0] = '\0';
-			term.line[term.c.y][term.c.x+1].mode = ATTR_WDUMMY;
+			gp[1].c[0] = '\0';
+			gp[1].mode = ATTR_WDUMMY;
 		}
 	}
 	if(term.c.x+width < term.col) {
@@ -3489,12 +3486,9 @@ drawregion(int x1, int y1, int x2, int y2) {
 	int ic, ib, x, y, ox, sl;
 	Glyph base, new;
 	char buf[DRAW_BUF_SIZ];
-	bool ena_sel = sel.ob.x != -1;
+	bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
 	long unicodep;
 
-	if(sel.alt != IS_SET(MODE_ALTSCREEN))
-		ena_sel = 0;
-
 	if(!(xw.state & WIN_VISIBLE))
 		return;
 
@@ -3571,7 +3565,7 @@ void
 xseturgency(int add) {
 	XWMHints *h = XGetWMHints(xw.dpy, xw.win);
 
-	h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint);
+	MODBIT(h->flags, add, XUrgencyHint);
 	XSetWMHints(xw.dpy, xw.win, h);
 	XFree(h);
 }