Sync OpenBSD patchset 1035:

Add move-pane command (like join-pane but allows the same window). Also
-b flag to join-pane and move-pane to place the pane to the left or
above. From George Nachman.

1 files changed, 29 insertions, 6 deletions

diff --git a/cmd-join-pane.c b/cmd-join-pane.c
index cb30687b..c87c5331 100644
--- a/cmd-join-pane.c
+++ b/cmd-join-pane.c
@@ -1,6 +1,7 @@
 /* $Id$ */
 
 /*
+ * Copyright (c) 2011 George Nachman <tmux@georgester.com>
  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
  *
  * Permission to use, copy, modify, and distribute this software for any
@@ -24,22 +25,34 @@
 #include "tmux.h"
 
 /*
- * Join a pane into another (like split/swap/kill).
+ * Join or move a pane into another (like split/swap/kill).
  */
 
 void	cmd_join_pane_key_binding(struct cmd *, int);
 int	cmd_join_pane_exec(struct cmd *, struct cmd_ctx *);
 
+int	join_pane(struct cmd *, struct cmd_ctx *, int);
+
 const struct cmd_entry cmd_join_pane_entry = {
 	"join-pane", "joinp",
-	"dhvp:l:s:t:", 0, 0,
-	"[-dhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
+	"bdhvp:l:s:t:", 0, 0,
+	"[-bdhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
 	0,
 	cmd_join_pane_key_binding,
 	NULL,
 	cmd_join_pane_exec
 };
 
+const struct cmd_entry cmd_move_pane_entry = {
+	"move-pane", "movep",
+	"bdhvp:l:s:t:", 0, 0,
+	"[-bdhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
+	0,
+	NULL,
+	NULL,
+	cmd_join_pane_exec
+};
+
 void
 cmd_join_pane_key_binding(struct cmd *self, int key)
 {
@@ -57,6 +70,12 @@ cmd_join_pane_key_binding(struct cmd *self, int key)
 int
 cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 {
+	return join_pane(self, ctx, self->entry == &cmd_join_pane_entry);
+}
+
+int
+join_pane(struct cmd *self, struct cmd_ctx *ctx, int not_same_window)
+{
 	struct args		*args = self->args;
 	struct session		*dst_s;
 	struct winlink		*src_wl, *dst_wl;
@@ -78,10 +97,14 @@ cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 		return (-1);
 	src_w = src_wl->window;
 
-	if (src_w == dst_w) {
+	if (not_same_window && src_w == dst_w) {
 		ctx->error(ctx, "can't join a pane to its own window");
 		return (-1);
 	}
+	if (!not_same_window && src_wp == dst_wp) {
+		ctx->error(ctx, "source and target panes must be different");
+		return (-1);
+	}
 
 	type = LAYOUT_TOPBOTTOM;
 	if (args_has(args, 'h'))
@@ -107,8 +130,8 @@ cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
 		else
 			size = (dst_wp->sx * percentage) / 100;
 	}
-
-	if ((lc = layout_split_pane(dst_wp, type, size)) == NULL) {
+	lc = layout_split_pane(dst_wp, type, size, args_has(args, 'b'));
+	if (lc == NULL) {
 		ctx->error(ctx, "create pane failed: pane too small");
 		return (-1);
 	}