shithub: riscv

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rio: shorten overlong window labels

--- a/sys/src/cmd/rio/rio.c

+++ b/sys/src/cmd/rio/rio.c

@@ -695,6 +695,32 @@

 	return 0;

 }

+static char*

+shortlabel(char *s)

+{

+	enum { NBUF=60 };

+	static char buf[NBUF*UTFmax];

+	int i, k, l;

+	Rune r;

+

+	l = utflen(s);

+	if(l < NBUF-2)

+		return estrdup(s);

+	k = i = 0;

+	while(i < NBUF/2){

+		k += chartorune(&r, s+k);

+		i++;

+	}

+	strncpy(buf, s, k);

+	strcpy(buf+k, "...");

+	while((l-i) >= NBUF/2-4){

+		k += chartorune(&r, s+k);

+		i++;

+	}

+	strcat(buf, s+k);

+	return estrdup(buf);

+}

+

 void

 button3menu(void)

 {

@@ -716,7 +742,7 @@

 		n = nelem(menu3str)-Hidden-1;

 	for(i=0; i<n; i++){

 		free(menu3str[i+Hidden]);

-		menu3str[i+Hidden] = estrdup(hidden[i]->label);

+		menu3str[i+Hidden] = shortlabel(hidden[i]->label);

 	}

 	for(i+=Hidden; menu3str[i]; i++){

 		free(menu3str[i]);