Merging upstream version 3.4.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 26 deletions

diff --git a/window.c b/window.c
index c0cd9bd..77ce41d 100644
--- a/window.c
+++ b/window.c
@@ -64,6 +64,7 @@ static u_int	next_active_point;
 struct window_pane_input_data {
 	struct cmdq_item	*item;
 	u_int			 wp;
+	struct client_file	*file;
 };
 
 static struct window_pane *window_pane_create(struct window *, u_int, u_int,
@@ -245,21 +246,15 @@ winlink_stack_push(struct winlink_stack *stack, struct winlink *wl)
 
 	winlink_stack_remove(stack, wl);
 	TAILQ_INSERT_HEAD(stack, wl, sentry);
+	wl->flags |= WINLINK_VISITED;
 }
 
 void
 winlink_stack_remove(struct winlink_stack *stack, struct winlink *wl)
 {
-	struct winlink	*wl2;
-
-	if (wl == NULL)
-		return;
-
-	TAILQ_FOREACH(wl2, stack, sentry) {
-		if (wl2 == wl) {
-			TAILQ_REMOVE(stack, wl, sentry);
-			return;
-		}
+	if (wl != NULL && (wl->flags & WINLINK_VISITED)) {
+		TAILQ_REMOVE(stack, wl, sentry);
+		wl->flags &= ~WINLINK_VISITED;
 	}
 }
 
@@ -309,6 +304,7 @@ window_create(u_int sx, u_int sy, u_int xpixel, u_int ypixel)
 	w->flags = 0;
 
 	TAILQ_INIT(&w->panes);
+	TAILQ_INIT(&w->last_panes);
 	w->active = NULL;
 
 	w->lastlayout = -1;
@@ -342,6 +338,7 @@ window_destroy(struct window *w)
 {
 	log_debug("window @%u destroyed (%d references)", w->id, w->references);
 
+	window_unzoom(w);
 	RB_REMOVE(windows, &windows, w);
 
 	if (w->layout_root != NULL)
@@ -518,18 +515,23 @@ window_pane_update_focus(struct window_pane *wp)
 int
 window_set_active_pane(struct window *w, struct window_pane *wp, int notify)
 {
+	struct window_pane *lastwp;
+
 	log_debug("%s: pane %%%u", __func__, wp->id);
 
 	if (wp == w->active)
 		return (0);
-	w->last = w->active;
+	lastwp = w->active;
+
+	window_pane_stack_remove(&w->last_panes, wp);
+	window_pane_stack_push(&w->last_panes, lastwp);
 
 	w->active = wp;
 	w->active->active_point = next_active_point++;
 	w->active->flags |= PANE_CHANGED;
 
 	if (options_get_number(global_options, "focus-events")) {
-		window_pane_update_focus(w->last);
+		window_pane_update_focus(lastwp);
 		window_pane_update_focus(w->active);
 	}
 
@@ -752,21 +754,21 @@ window_lost_pane(struct window *w, struct window_pane *wp)
 	if (wp == marked_pane.wp)
 		server_clear_marked();
 
+	window_pane_stack_remove(&w->last_panes, wp);
 	if (wp == w->active) {
-		w->active = w->last;
-		w->last = NULL;
+		w->active = TAILQ_FIRST(&w->last_panes);
 		if (w->active == NULL) {
 			w->active = TAILQ_PREV(wp, window_panes, entry);
 			if (w->active == NULL)
 				w->active = TAILQ_NEXT(wp, entry);
 		}
 		if (w->active != NULL) {
+			window_pane_stack_remove(&w->last_panes, w->active);
 			w->active->flags |= PANE_CHANGED;
 			notify_window("window-pane-changed", w);
 			window_update_focus(w);
 		}
-	} else if (wp == w->last)
-		w->last = NULL;
+	}
 }
 
 void
@@ -850,6 +852,11 @@ window_destroy_panes(struct window *w)
 {
 	struct window_pane	*wp;
 
+	while (!TAILQ_EMPTY(&w->last_panes)) {
+		wp = TAILQ_FIRST(&w->last_panes);
+		window_pane_stack_remove(&w->last_panes, wp);
+	}
+
 	while (!TAILQ_EMPTY(&w->panes)) {
 		wp = TAILQ_FIRST(&w->panes);
 		TAILQ_REMOVE(&w->panes, wp, entry);
@@ -940,6 +947,7 @@ window_pane_create(struct window *w, u_int sx, u_int sy, u_int hlimit)
 
 	screen_init(&wp->base, sx, sy, hlimit);
 	wp->screen = &wp->base;
+	window_pane_default_cursor(wp);
 
 	screen_init(&wp->status_screen, 1, 1, 0);
 
@@ -1042,6 +1050,8 @@ window_pane_set_event(struct window_pane *wp)
 
 	wp->event = bufferevent_new(wp->fd, window_pane_read_callback,
 	    NULL, window_pane_error_callback, wp);
+	if (wp->event == NULL)
+		fatalx("out of memory");
 	wp->ictx = input_init(wp, wp->event, &wp->palette);
 
 	bufferevent_enable(wp->event, EV_READ|EV_WRITE);
@@ -1126,6 +1136,7 @@ window_pane_reset_mode(struct window_pane *wp)
 
 	next = TAILQ_FIRST(&wp->modes);
 	if (next == NULL) {
+		wp->flags &= ~PANE_UNSEENCHANGES;
 		log_debug("%s: no next mode", __func__);
 		wp->screen = &wp->base;
 	} else {
@@ -1203,6 +1214,12 @@ window_pane_visible(struct window_pane *wp)
 	return (wp == wp->window->active);
 }
 
+int
+window_pane_exited(struct window_pane *wp)
+{
+	return (wp->fd == -1 || (wp->flags & PANE_EXITED));
+}
+
 u_int
 window_pane_search(struct window_pane *wp, const char *term, int regex,
     int ignore)
@@ -1483,6 +1500,25 @@ window_pane_find_right(struct window_pane *wp)
 	return (best);
 }
 
+void
+window_pane_stack_push(struct window_panes *stack, struct window_pane *wp)
+{
+	if (wp != NULL) {
+		window_pane_stack_remove(stack, wp);
+		TAILQ_INSERT_HEAD(stack, wp, sentry);
+		wp->flags |= PANE_VISITED;
+	}
+}
+
+void
+window_pane_stack_remove(struct window_panes *stack, struct window_pane *wp)
+{
+	if (wp != NULL && (wp->flags & PANE_VISITED)) {
+		TAILQ_REMOVE(stack, wp, sentry);
+		wp->flags &= ~PANE_VISITED;
+	}
+}
+
 /* Clear alert flags for a winlink */
 void
 winlink_clear_flags(struct winlink *wl)
@@ -1540,18 +1576,18 @@ window_pane_input_callback(struct client *c, __unused const char *path,
 	size_t				 len = EVBUFFER_LENGTH(buffer);
 
 	wp = window_pane_find_by_id(cdata->wp);
-	if (wp == NULL || closed || error != 0 || (c->flags & CLIENT_DEAD)) {
-		if (wp == NULL)
+	if (cdata->file != NULL && (wp == NULL || c->flags & CLIENT_DEAD)) {
+		if (wp == NULL) {
+			c->retval = 1;
 			c->flags |= CLIENT_EXIT;
-
-		evbuffer_drain(buffer, len);
+		}
+		file_cancel(cdata->file);
+	} else if (cdata->file == NULL || closed || error != 0) {
 		cmdq_continue(cdata->item);
-
 		server_client_unref(c);
 		free(cdata);
-		return;
-	}
-	input_parse_buffer(wp, buf, len);
+	} else
+		input_parse_buffer(wp, buf, len);
 	evbuffer_drain(buffer, len);
 }
 
@@ -1574,9 +1610,8 @@ window_pane_start_input(struct window_pane *wp, struct cmdq_item *item,
 	cdata = xmalloc(sizeof *cdata);
 	cdata->item = item;
 	cdata->wp = wp->id;
-
+	cdata->file = file_read(c, "-", window_pane_input_callback, cdata);
 	c->references++;
-	file_read(c, "-", window_pane_input_callback, cdata);
 
 	return (0);
 }
@@ -1618,3 +1653,17 @@ window_set_fill_character(struct window *w)
 			w->fill_character = ud;
 	}
 }
+
+void
+window_pane_default_cursor(struct window_pane *wp)
+{
+	struct screen	*s = wp->screen;
+	int		 c;
+
+	c = options_get_number(wp->options, "cursor-colour");
+	s->default_ccolour = c;
+
+	c = options_get_number(wp->options, "cursor-style");
+	s->default_mode = 0;
+	screen_set_cursor_style(c, &s->default_cstyle, &s->default_mode);
+}