From 532532704e72156aff140a07f8d7768d596eec02 Mon Sep 17 00:00:00 2001
From: luukvbaal <31730729+luukvbaal@users.noreply.github.com>
Date: Tue, 21 Sep 2021 06:44:25 +0200
Subject: [PATCH] Close previewer when opening file (#1171)

---
 plugins/preview-tabbed |  4 ++++
 plugins/preview-tui    |  1 +
 src/nnn.c              | 29 ++++++++++++++++++++++-------
 3 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/plugins/preview-tabbed b/plugins/preview-tabbed
index a4921786..74f6ec5e 100755
--- a/plugins/preview-tabbed
+++ b/plugins/preview-tabbed
@@ -133,6 +133,10 @@ previewer_loop () {
             continue
         fi
 
+        if [ "$FILE" = "close" ] ; then
+            break
+        fi
+
         kill_viewer
 
         MIME="$(file -bL --mime-type "$FILE")"
diff --git a/plugins/preview-tui b/plugins/preview-tui
index b6788fc4..f9b8236b 100755
--- a/plugins/preview-tui
+++ b/plugins/preview-tui
@@ -389,6 +389,7 @@ preview_fifo() {
         if [ -n "$selection" ]; then
             kill "$(cat "$PREVIEWPID")"
             [ -p "$FIFO_UEBERZUG" ] && ueberzug_remove
+            [ "$selection" = "close" ] && break
             preview_file "$selection"
             printf "%s" "$selection" > "$CURSEL"
         fi
diff --git a/src/nnn.c b/src/nnn.c
index 44f297f4..42768d9a 100644
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -846,7 +846,7 @@ static char *load_input(int fd, const char *path);
 static int set_sort_flags(int r);
 static void statusbar(char *path);
 #ifndef NOFIFO
-static void notify_fifo(bool force);
+static void notify_fifo(bool force, bool closepreview);
 #endif
 
 /* Functions */
@@ -3045,7 +3045,7 @@ try_quit:
 			} else {
 #ifndef NOFIFO
 				if (!g_state.fifomode)
-					notify_fifo(TRUE); /* Send hovered path to NNN_FIFO */
+					notify_fifo(TRUE, FALSE); /* Send hovered path to NNN_FIFO */
 #endif
 				escaped = TRUE;
 				settimeout();
@@ -5787,7 +5787,7 @@ static void populate(char *path, char *lastname)
 }
 
 #ifndef NOFIFO
-static void notify_fifo(bool force)
+static void notify_fifo(bool force, bool closepreview)
 {
 	if (!fifopath)
 		return;
@@ -5803,6 +5803,12 @@ static void notify_fifo(bool force)
 		}
 	}
 
+	if (closepreview) {
+		if (write(fifofd, "close\n", 6) != 6)
+			xerror();
+		return;
+	}
+
 	static struct entry lastentry;
 
 	if (!force && !memcmp(&lastentry, &pdents[cur], sizeof(struct entry)))
@@ -5852,7 +5858,7 @@ static void move_cursor(int target, int ignore_scrolloff)
 
 #ifndef NOFIFO
 	if (!g_state.fifomode)
-		notify_fifo(FALSE); /* Send hovered path to NNN_FIFO */
+		notify_fifo(FALSE, FALSE); /* Send hovered path to NNN_FIFO */
 #endif
 }
 
@@ -6735,7 +6741,7 @@ nochange:
 					move_cursor(r, 1);
 #ifndef NOFIFO
 				else if ((event.bstate == BUTTON1_PRESSED) && !g_state.fifomode)
-					notify_fifo(TRUE); /* Send clicked path to NNN_FIFO */
+					notify_fifo(TRUE, FALSE); /* Send clicked path to NNN_FIFO */
 #endif
 				/* Handle right click selection */
 				if (event.bstate == BUTTON3_PRESSED) {
@@ -6808,7 +6814,7 @@ nochange:
                         }
 #ifndef NOFIFO
 			if (g_state.fifomode && (sel == SEL_OPEN)) {
-				notify_fifo(TRUE); /* Send opened path to NNN_FIFO */
+				notify_fifo(TRUE, FALSE); /* Send opened path to NNN_FIFO */
 				goto nochange;
 			}
 #endif
@@ -6890,6 +6896,9 @@ nochange:
 			    && strstr(g_buf, "text")
 #endif
 			) {
+#ifndef NOFIFO
+				notify_fifo(FALSE, TRUE);
+#endif
 				spawn(editor, newpath, NULL, NULL, F_CLI);
 				if (cfg.filtermode) {
 					presel = FILTER;
@@ -6942,6 +6951,9 @@ nochange:
 			}
 
 			/* Invoke desktop opener as last resort */
+#ifndef NOFIFO
+			notify_fifo(FALSE, TRUE);
+#endif
 			spawn(opener, newpath, NULL, NULL, opener_flags);
 
 			/* Move cursor to the next entry if not the last entry */
@@ -7198,6 +7210,9 @@ nochange:
 				copycurname();
 				goto nochange;
 			case SEL_EDIT:
+#ifndef NOFIFO
+				notify_fifo(FALSE, TRUE);
+#endif
 				spawn(editor, newpath, NULL, NULL, F_CLI);
 				continue;
 			default: /* SEL_LOCK */
@@ -8681,7 +8696,7 @@ int main(int argc, char *argv[])
 
 #ifndef NOFIFO
 	if (!g_state.fifomode)
-		notify_fifo(FALSE);
+		notify_fifo(FALSE, FALSE);
 	if (fifofd != -1)
 		close(fifofd);
 #endif