st

commit 122de543a45e9b2aa930f771cf43b5e95fa1e3c5
parent b414db2e95d86b327dcf14837968ebaf8b481d88
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 31 Jan 2014 21:53:53 +0100

Add MC for a single line

This sequence print the current line. It is different to the
'printer on' sequence, where all the characters that arrive to the
terminal are printer. Here only the ascii characters are printed.

Diffstat:
M
st.c
 | 
41
++++++++++++++++++++++++++++++++---------

1 file changed, 32 insertions(+), 9 deletions(-)
diff --git a/st.c b/st.c
@@ -356,6 +356,8 @@ static void strparse(void);
 static void strreset(void);
 
 static int tattrset(int);
+static void tprinter(char *s, size_t len);
+static void tdumpline(int);
 static void tclearregion(int, int, int, int);
 static void tcursor(int);
 static void tdeletechar(int);
@@ -470,7 +472,7 @@ static STREscape strescseq;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;
-static int iofd;
+static int iofd = STDOUT_FILENO;
 static char **opt_cmd = NULL;
 static char *opt_io = NULL;
 static char *opt_title = NULL;
@@ -1985,6 +1987,8 @@ csihandle(void) {
 		switch(csiescseq.arg[0]) {
 		case 0:
 		case 1:
+			tdumpline(term.c.y);
+			break;
 		case 4:
 			term.mode &= ~MODE_PRINT;
 			break;
@@ -2266,6 +2270,31 @@ strreset(void) {
 }
 
 void
+tprinter(char *s, size_t len) {
+	if(iofd != -1 && xwrite(iofd, s, len) < 0) {
+		fprintf(stderr, "Error writing in %s:%s\n",
+			opt_io, strerror(errno));
+		close(iofd);
+		iofd = -1;
+	}
+}
+
+void
+tdumpline(int n) {
+	Glyph *bp, *end;
+
+	bp = &term.line[n][0];
+	end = &bp[term.col-1];
+	while(end > bp && !strcmp(" ", end->c))
+		--end;
+	if(bp != end || strcmp(bp->c, " ")) {
+		for( ;bp <= end; ++bp)
+			tprinter(bp->c, strlen(bp->c));
+	}
+	tprinter("\n", 1);
+}
+
+void
 tputtab(bool forward) {
 	uint x = term.c.x;
 
@@ -2346,14 +2375,8 @@ tputc(char *c, int len) {
 		width = wcwidth(u8char);
 	}
 
-	if(IS_SET(MODE_PRINT) && iofd != -1) {
-		if(xwrite(iofd, c, len) < 0) {
-			fprintf(stderr, "Error writing in %s:%s\n",
-				opt_io, strerror(errno));
-			close(iofd);
-			iofd = -1;
-		}
-	}
+	if(IS_SET(MODE_PRINT))
+		tprinter(c, len);
 
 	/*
 	 * STR sequences must be checked before anything else