X-Git-Url: https://git.danieliu.xyz/?a=blobdiff_plain;f=st.c;h=2612c955872b516a0ad76e2097b7f09d9a47bc78;hb=74cff67bd7746c2636ea7bc78a0b8af2f8c44838;hp=543c6150a6aeb5229d0995371166f367bd7a362d;hpb=403c57ebb5b3745ff93e49b87e526c49dc59a5b9;p=st.git

diff --git a/st.c b/st.c
index 543c615..2612c95 100644
--- a/st.c
+++ b/st.c
@@ -13,6 +13,7 @@
 #include <sys/select.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <termios.h>
 #include <unistd.h>
 #include <wchar.h>
 
@@ -445,6 +446,7 @@ selstart(int col, int row, int snap)
 	selclear();
 	sel.mode = SEL_EMPTY;
 	sel.type = SEL_REGULAR;
+	sel.alt = IS_SET(MODE_ALTSCREEN);
 	sel.snap = snap;
 	sel.oe.x = sel.ob.x = col;
 	sel.oe.y = sel.ob.y = row;
@@ -460,7 +462,7 @@ selextend(int col, int row, int type, int done)
 {
 	int oldey, oldex, oldsby, oldsey, oldtype;
 
-	if (!sel.mode)
+	if (sel.mode == SEL_IDLE)
 		return;
 	if (done && sel.mode == SEL_EMPTY) {
 		selclear();
@@ -473,7 +475,6 @@ selextend(int col, int row, int type, int done)
 	oldsey = sel.ne.y;
 	oldtype = sel.type;
 
-	sel.alt = IS_SET(MODE_ALTSCREEN);
 	sel.oe.x = col;
 	sel.oe.y = row;
 	selnormalize();
@@ -739,7 +740,6 @@ sigchld(int a)
 	exit(0);
 }
 
-
 void
 stty(char **args)
 {
@@ -761,7 +761,7 @@ stty(char **args)
 	}
 	*q = '\0';
 	if (system(cmd) != 0)
-	    perror("Couldn't call stty");
+		perror("Couldn't call stty");
 }
 
 int
@@ -1693,7 +1693,6 @@ csihandle(void)
 		tputtab(csiescseq.arg[0]);
 		break;
 	case 'J': /* ED -- Clear screen */
-		selclear();
 		switch (csiescseq.arg[0]) {
 		case 0: /* below */
 			tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);