Add an option to move the status line to the top of the screen,

requested by many.

1 files changed, 35 insertions, 30 deletions

diff --git a/tty.c b/tty.c
index 51718c3c..6e3e2cf2 100644
--- a/tty.c
+++ b/tty.c
@@ -513,10 +513,10 @@ tty_redraw_region(struct tty *tty, const struct tty_ctx *ctx)
 
 	if (ctx->ocy < ctx->orupper || ctx->ocy > ctx->orlower) {
 		for (i = ctx->ocy; i < screen_size_y(s); i++)
-			tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
+			tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
 	} else {
 		for (i = ctx->orupper; i <= ctx->orlower; i++)
-			tty_draw_line(tty, s, i, wp->xoff, wp->yoff);
+			tty_draw_line(tty, s, i, ctx->xoff, ctx->yoff);
 	}
 }
 
@@ -585,11 +585,13 @@ tty_draw_line(struct tty *tty, struct screen *s, u_int py, u_int ox, u_int oy)
 }
 
 void
-tty_write(void (*cmdfn)(
-    struct tty *, const struct tty_ctx *), const struct tty_ctx *ctx)
+tty_write(
+    void (*cmdfn)(struct tty *, const struct tty_ctx *), struct tty_ctx *ctx)
 {
 	struct window_pane	*wp = ctx->wp;
 	struct client		*c;
+	struct session		*s;
+	struct options		*oo;
 	u_int		 	 i;
 
 	/* wp can be NULL if updating the screen but not the terminal. */
@@ -607,12 +609,20 @@ tty_write(void (*cmdfn)(
 			continue;
 		if (c->flags & CLIENT_SUSPENDED)
 			continue;
+		s = c->session;
 
-		if (c->session->curw->window == wp->window) {
+		if (s->curw->window == wp->window) {
 			if (c->tty.term == NULL)
 				continue;
 			if (c->tty.flags & (TTY_FREEZE|TTY_BACKOFF))
 				continue;
+			oo = &s->options;
+
+			ctx->xoff = wp->xoff;
+			ctx->yoff = wp->yoff;
+			if (status_at_line(c) == 0)
+				ctx->yoff++;
+
 			cmdfn(&c->tty, ctx);
 		}
 	}
@@ -625,8 +635,8 @@ tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
 	struct screen		*s = wp->screen;
 	u_int			 i;
 
-	if (wp->xoff != 0 || screen_size_x(s) < tty->sx) {
-		tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
+	if (ctx->xoff != 0 || screen_size_x(s) < tty->sx) {
+		tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
 		return;
 	}
 
@@ -644,7 +654,7 @@ tty_cmd_insertcharacter(struct tty *tty, const struct tty_ctx *ctx)
 			tty_putc(tty, ' ');
 		tty_putcode(tty, TTYC_RMIR);
 	} else
-		tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
+		tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
 }
 
 void
@@ -653,10 +663,10 @@ tty_cmd_deletecharacter(struct tty *tty, const struct tty_ctx *ctx)
 	struct window_pane	*wp = ctx->wp;
 	struct screen		*s = wp->screen;
 
-	if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+	if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
 	    (!tty_term_has(tty->term, TTYC_DCH) &&
 	    !tty_term_has(tty->term, TTYC_DCH1))) {
-		tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
+		tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
 		return;
 	}
 
@@ -675,7 +685,7 @@ tty_cmd_insertline(struct tty *tty, const struct tty_ctx *ctx)
 	struct window_pane	*wp = ctx->wp;
 	struct screen		*s = wp->screen;
 
-	if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+	if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
 	    !tty_term_has(tty->term, TTYC_CSR) ||
 	    !tty_term_has(tty->term, TTYC_IL1)) {
 		tty_redraw_region(tty, ctx);
@@ -696,7 +706,7 @@ tty_cmd_deleteline(struct tty *tty, const struct tty_ctx *ctx)
 	struct window_pane	*wp = ctx->wp;
 	struct screen		*s = wp->screen;
 
-	if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+	if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
 	    !tty_term_has(tty->term, TTYC_CSR) ||
 	    !tty_term_has(tty->term, TTYC_DL1)) {
 		tty_redraw_region(tty, ctx);
@@ -722,7 +732,7 @@ tty_cmd_clearline(struct tty *tty, const struct tty_ctx *ctx)
 
 	tty_cursor_pane(tty, ctx, 0, ctx->ocy);
 
-	if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+	if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
 	    tty_term_has(tty->term, TTYC_EL)) {
 		tty_putcode(tty, TTYC_EL);
 	} else {
@@ -742,7 +752,7 @@ tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
 
 	tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
 
-	if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+	if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
 	    tty_term_has(tty->term, TTYC_EL))
 		tty_putcode(tty, TTYC_EL);
 	else {
@@ -754,12 +764,11 @@ tty_cmd_clearendofline(struct tty *tty, const struct tty_ctx *ctx)
 void
 tty_cmd_clearstartofline(struct tty *tty, const struct tty_ctx *ctx)
 {
-	struct window_pane	*wp = ctx->wp;
-	u_int		 	 i;
+	u_int 	 i;
 
 	tty_reset(tty);
 
-	if (wp->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
+	if (ctx->xoff == 0 && tty_term_has(tty->term, TTYC_EL1)) {
 		tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
 		tty_putcode(tty, TTYC_EL1);
 	} else {
@@ -778,7 +787,7 @@ tty_cmd_reverseindex(struct tty *tty, const struct tty_ctx *ctx)
 	if (ctx->ocy != ctx->orupper)
 		return;
 
-	if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+	if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
 	    !tty_term_has(tty->term, TTYC_CSR) ||
 	    !tty_term_has(tty->term, TTYC_RI)) {
 		tty_redraw_region(tty, ctx);
@@ -802,7 +811,7 @@ tty_cmd_linefeed(struct tty *tty, const struct tty_ctx *ctx)
 	if (ctx->ocy != ctx->orlower)
 		return;
 
-	if (wp->xoff != 0 || screen_size_x(s) < tty->sx ||
+	if (ctx->xoff != 0 || screen_size_x(s) < tty->sx ||
 	    !tty_term_has(tty->term, TTYC_CSR)) {
 		tty_redraw_region(tty, ctx);
 		return;
@@ -836,7 +845,7 @@ tty_cmd_clearendofscreen(struct tty *tty, const struct tty_ctx *ctx)
 	tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
 	tty_cursor_pane(tty, ctx, ctx->ocx, ctx->ocy);
 
-	if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+	if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
 	    tty_term_has(tty->term, TTYC_EL)) {
 		tty_putcode(tty, TTYC_EL);
 		if (ctx->ocy != screen_size_y(s) - 1) {
@@ -872,7 +881,7 @@ tty_cmd_clearstartofscreen(struct tty *tty, const struct tty_ctx *ctx)
 	tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
 	tty_cursor_pane(tty, ctx, 0, 0);
 
-	if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+	if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
 	    tty_term_has(tty->term, TTYC_EL)) {
 		for (i = 0; i < ctx->ocy; i++) {
 			tty_putcode(tty, TTYC_EL);
@@ -902,7 +911,7 @@ tty_cmd_clearscreen(struct tty *tty, const struct tty_ctx *ctx)
 	tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1);
 	tty_cursor_pane(tty, ctx, 0, 0);
 
-	if (wp->xoff == 0 && screen_size_x(s) >= tty->sx &&
+	if (ctx->xoff == 0 && screen_size_x(s) >= tty->sx &&
 	    tty_term_has(tty->term, TTYC_EL)) {
 		for (i = 0; i < screen_size_y(s); i++) {
 			tty_putcode(tty, TTYC_EL);
@@ -957,7 +966,7 @@ tty_cmd_cell(struct tty *tty, const struct tty_ctx *ctx)
 
 	/* Is the cursor in the very last position? */
 	if (ctx->ocx > wp->sx - width) {
-		if (wp->xoff != 0 || wp->sx != tty->sx) {
+		if (ctx->xoff != 0 || wp->sx != tty->sx) {
 			/*
 			 * The pane doesn't fill the entire line, the linefeed
 			 * will already have happened, so just move the cursor.
@@ -991,7 +1000,7 @@ tty_cmd_utf8character(struct tty *tty, const struct tty_ctx *ctx)
 	 * Cannot rely on not being a partial character, so just redraw the
 	 * whole line.
 	 */
-	tty_draw_line(tty, wp->screen, ctx->ocy, wp->xoff, wp->yoff);
+	tty_draw_line(tty, wp->screen, ctx->ocy, ctx->xoff, ctx->yoff);
 }
 
 void
@@ -1078,9 +1087,7 @@ void
 tty_region_pane(
     struct tty *tty, const struct tty_ctx *ctx, u_int rupper, u_int rlower)
 {
-	struct window_pane	*wp = ctx->wp;
-
-	tty_region(tty, wp->yoff + rupper, wp->yoff + rlower);
+	tty_region(tty, ctx->yoff + rupper, ctx->yoff + rlower);
 }
 
 /* Set region at absolute position. */
@@ -1112,9 +1119,7 @@ tty_region(struct tty *tty, u_int rupper, u_int rlower)
 void
 tty_cursor_pane(struct tty *tty, const struct tty_ctx *ctx, u_int cx, u_int cy)
 {
-	struct window_pane	*wp = ctx->wp;
-
-	tty_cursor(tty, wp->xoff + cx, wp->yoff + cy);
+	tty_cursor(tty, ctx->xoff + cx, ctx->yoff + cy);
 }
 
 /* Move cursor to absolute position. */