X-Git-Url: https://jasonwoof.com/gitweb/?a=blobdiff_plain;f=st.c;h=db21901c158e063092b66bb7405a8638605c5987;hb=0df350cd0b64f83fbc2324bb2a1bc04b51e657e0;hp=14408c566a54369e7fde2d7a167930fb75b21803;hpb=ea782bfc5d34d712bc9391e498935d2d27f3116c;p=st.git

diff --git a/st.c b/st.c
index 14408c5..db21901 100644
--- a/st.c
+++ b/st.c
@@ -59,13 +59,12 @@
 #define STR_ARG_SIZ   16
 #define DRAW_BUF_SIZ  20*1024
 #define UTF_SIZ       4
-#define XK_NO_MOD     UINT_MAX
-#define XK_ANY_MOD    0
+#define XK_ANY_MOD    UINT_MAX
+#define XK_NO_MOD     0
 
 #define REDRAW_TIMEOUT (80*1000) /* 80 ms */
 
 /* macros */
-#define CLEANMASK(mask) (mask & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
 #define SERRNO strerror(errno)
 #define MIN(a, b)  ((a) < (b) ? (a) : (b))
 #define MAX(a, b)  ((a) < (b) ? (b) : (a))
@@ -90,10 +89,6 @@ enum glyph_attribute {
 };
 
 enum cursor_movement {
-	CURSOR_UP,
-	CURSOR_DOWN,
-	CURSOR_LEFT,
-	CURSOR_RIGHT,
 	CURSOR_SAVE,
 	CURSOR_LOAD
 };
@@ -329,6 +324,7 @@ static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void techo(char *, int);
 
+static inline bool match(uint, uint);
 static void ttynew(void);
 static void ttyread(void);
 static void ttyresize(void);
@@ -2100,11 +2096,19 @@ tputc(char *c, int len) {
 		sel.bx = -1;
 	if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
 		tnewline(1); /* always go to first col */
+
+	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));
+	}
+
 	tsetchar(c, &term.c.attr, term.c.x, term.c.y);
-	if(term.c.x+1 < term.col)
+	if(term.c.x+1 < term.col) {
 		tmoveto(term.c.x+1, term.c.y);
-	else
+	} else {
 		term.c.state |= CURSOR_WRAPNEXT;
+	}
 }
 
 int
@@ -2688,32 +2692,60 @@ focus(XEvent *ev) {
 	}
 }
 
+inline bool
+match(uint mask, uint state) {
+	if(mask == XK_NO_MOD && state)
+		return false;
+	if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
+		return false;
+	if((state & mask) != state)
+		return false;
+	return true;
+}
+
 char*
 kmap(KeySym k, uint state) {
 	uint mask;
 	Key *kp;
+	int i;
+
+	/* Check for mapped keys out of X11 function keys. */
+	for(i = 0; i < LEN(mappedkeys); i++) {
+		if(mappedkeys[i] == k)
+			break;
+	}
+	if(i == LEN(mappedkeys)) {
+		if((k & 0xFFFF) < 0xFF00)
+			return NULL;
+	}
 
-	state &= ~Mod2Mask;
 	for(kp = key; kp < key + LEN(key); kp++) {
 		mask = kp->mask;
 
 		if(kp->k != k)
 			continue;
-		if((state & mask) != mask &&
-		   (mask == XK_NO_MOD && state))
+
+		if(!match(mask, state))
 			continue;
+
 		if((kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) ||
-		   (kp->appkey > 0 && !IS_SET(MODE_APPKEYPAD)))
+				(kp->appkey > 0 && !IS_SET(MODE_APPKEYPAD))) {
 			continue;
+		}
+
 		if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
-		   (kp->appcursor > 0 && !IS_SET(MODE_APPCURSOR)))
+				(kp->appcursor > 0 && !IS_SET(MODE_APPCURSOR))) {
 			continue;
+		}
+
 		if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
-		   (kp->crlf > 0 && !IS_SET(MODE_CRLF)))
+				(kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
 			continue;
+		}
 
 		return kp->s;
 	}
+
 	return NULL;
 }
 
@@ -2722,21 +2754,20 @@ kpress(XEvent *ev) {
 	XKeyEvent *e = &ev->xkey;
 	KeySym ksym;
 	char xstr[31], buf[32], *customkey, *cp = buf;
-	int len, i;
+	int len;
 	Status status;
+	Shortcut *bp;
 
 	if (IS_SET(MODE_KBDLOCK))
 		return;
 
 	len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
-
+	e->state &= ~Mod2Mask;
 	/* 1. shortcuts */
-	for(i = 0; i < LEN(shortcuts); i++) {
-		if((ksym == shortcuts[i].keysym)
-				&& (CLEANMASK(shortcuts[i].mod) == \
-					CLEANMASK(e->state))
-				&& shortcuts[i].func) {
-			shortcuts[i].func(&(shortcuts[i].arg));
+	for(bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
+		if(ksym == bp->keysym && match(bp->mod, e->state)) {
+			bp->func(&(bp->arg));
+			return;
 		}
 	}
 
@@ -2755,6 +2786,7 @@ kpress(XEvent *ev) {
 		memcpy(cp, xstr, len);
 		len = cp - buf + len;
 	}
+
 	ttywrite(buf, len);
 	if(IS_SET(MODE_ECHO))
 		techo(buf, len);
@@ -2869,7 +2901,7 @@ main(int argc, char *argv[]) {
 				opt_class = argv[i];
 			break;
 		case 'e':
-			/* eat every remaining arguments */
+			/* eat all remaining arguments */
 			if(++i < argc)
 				opt_cmd = &argv[i];
 			goto run;
@@ -2924,6 +2956,7 @@ run:
 	ttynew();
 	selinit();
 	run();
+
 	return 0;
 }