From f518a077b176e65a30a187af21b00b0b9031dad7 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Mon, 11 Aug 2014 22:14:30 +0000
Subject: [PATCH] Add flags to selectp to enable and disable input to a pane,
 from Anish Athalye.

---
 cmd-select-pane.c | 34 +++++++++++++++++++++++-----------
 tmux.1            | 17 ++++++++++++++---
 tmux.h            |  1 +
 window.c          |  7 ++++---
 4 files changed, 42 insertions(+), 17 deletions(-)

diff --git a/cmd-select-pane.c b/cmd-select-pane.c
index 1a1072d8..a491c433 100644
--- a/cmd-select-pane.c
+++ b/cmd-select-pane.c
@@ -29,8 +29,8 @@ enum cmd_retval	 cmd_select_pane_exec(struct cmd *, struct cmd_q *);
 
 const struct cmd_entry cmd_select_pane_entry = {
 	"select-pane", "selectp",
-	"lDLRt:U", 0, 0,
-	"[-lDLRU] " CMD_TARGET_PANE_USAGE,
+	"DdeLlRt:U", 0, 0,
+	"[-DdeLlRU] " CMD_TARGET_PANE_USAGE,
 	0,
 	cmd_select_pane_key_binding,
 	cmd_select_pane_exec
@@ -38,8 +38,8 @@ const struct cmd_entry cmd_select_pane_entry = {
 
 const struct cmd_entry cmd_last_pane_entry = {
 	"last-pane", "lastp",
-	"t:", 0, 0,
-	CMD_TARGET_WINDOW_USAGE,
+	"det:", 0, 0,
+	"[-de] " CMD_TARGET_WINDOW_USAGE,
 	0,
 	NULL,
 	cmd_select_pane_exec
@@ -78,10 +78,16 @@ cmd_select_pane_exec(struct cmd *self, struct cmd_q *cmdq)
 			return (CMD_RETURN_ERROR);
 		}
 
-		server_unzoom_window(wl->window);
-		window_set_active_pane(wl->window, wl->window->last);
-		server_status_window(wl->window);
-		server_redraw_window_borders(wl->window);
+		if (args_has(self->args, 'e'))
+			wl->window->last->flags &= ~PANE_INPUTOFF;
+		else if (args_has(self->args, 'd'))
+			wl->window->last->flags |= PANE_INPUTOFF;
+		else {
+			server_unzoom_window(wl->window);
+			window_set_active_pane(wl->window, wl->window->last);
+			server_status_window(wl->window);
+			server_redraw_window_borders(wl->window);
+		}
 
 		return (CMD_RETURN_NORMAL);
 	}
@@ -108,9 +114,15 @@ cmd_select_pane_exec(struct cmd *self, struct cmd_q *cmdq)
 		return (CMD_RETURN_ERROR);
 	}
 
-	window_set_active_pane(wl->window, wp);
-	server_status_window(wl->window);
-	server_redraw_window_borders(wl->window);
+	if (args_has(self->args, 'e'))
+		wp->flags &= ~PANE_INPUTOFF;
+	else if (args_has(self->args, 'd'))
+		wp->flags |= PANE_INPUTOFF;
+	else {
+		window_set_active_pane(wl->window, wp);
+		server_status_window(wl->window);
+		server_redraw_window_borders(wl->window);
+	}
 
 	return (CMD_RETURN_NORMAL);
 }
diff --git a/tmux.1 b/tmux.1
index f70ac391..ab51689c 100644
--- a/tmux.1
+++ b/tmux.1
@@ -1292,7 +1292,7 @@ flag, see the
 section.
 This command works only if at least one client is attached.
 .It Ic display-panes Op Fl t Ar target-client
-.D1 (alias: Ic displayp)
+.D1 (alias: Ic displayp )
 Display a visible indicator of each pane shown by
 .Ar target-client .
 See the
@@ -1382,9 +1382,16 @@ The
 .Fl a
 option kills all but the window given with
 .Fl t .
-.It Ic last-pane Op Fl t Ar target-window
+.It Xo Ic last-pane
+.Op Fl de
+.Op Fl t Ar target-window
+.Xc
 .D1 (alias: Ic lastp )
 Select the last (previously selected) pane.
+.Fl e
+enables or
+.Fl d
+disables input to the pane.
 .It Ic last-window Op Fl t Ar target-session
 .D1 (alias: Ic last )
 Select the last (previously selected) window.
@@ -1701,7 +1708,7 @@ and
 .Ic previous-layout
 commands.
 .It Xo Ic select-pane
-.Op Fl lDLRU
+.Op Fl DdeLlRU
 .Op Fl t Ar target-pane
 .Xc
 .D1 (alias: Ic selectp )
@@ -1721,6 +1728,10 @@ target pane is used.
 is the same as using the
 .Ic last-pane
 command.
+.Fl e
+enables or
+.Fl d
+disables input to the pane.
 .It Xo Ic select-window
 .Op Fl lnpT
 .Op Fl t Ar target-window
diff --git a/tmux.h b/tmux.h
index 614b7077..a0cbbd41 100644
--- a/tmux.h
+++ b/tmux.h
@@ -956,6 +956,7 @@ struct window_pane {
 #define PANE_FOCUSED 0x4
 #define PANE_RESIZE 0x8
 #define PANE_FOCUSPUSH 0x10
+#define PANE_INPUTOFF 0x20
 
 	int		 argc;
 	char	       **argv;
diff --git a/window.c b/window.c
index a0c53ca8..21dd8d55 100644
--- a/window.c
+++ b/window.c
@@ -1057,8 +1057,9 @@ window_pane_key(struct window_pane *wp, struct session *sess, int key)
 		return;
 	}
 
-	if (wp->fd == -1)
+	if (wp->fd == -1 || wp->flags & PANE_INPUTOFF)
 		return;
+
 	input_key(wp, key);
 	if (options_get_number(&wp->window->options, "synchronize-panes")) {
 		TAILQ_FOREACH(wp2, &wp->window->panes, entry) {
@@ -1071,8 +1072,8 @@ window_pane_key(struct window_pane *wp, struct session *sess, int key)
 }
 
 void
-window_pane_mouse(
-    struct window_pane *wp, struct session *sess, struct mouse_event *m)
+window_pane_mouse(struct window_pane *wp, struct session *sess,
+    struct mouse_event *m)
 {
 	if (!window_pane_visible(wp))
 		return;