From e1fc6b31eed435877351817c70ad71f7212081c2 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Fri, 3 Jul 2026 15:10:07 +0000
Subject: [PATCH] Add manual width and height window formats.

---
 format.c | 32 ++++++++++++++++++++++++++++++++
 tmux.1   |  2 ++
 2 files changed, 34 insertions(+)

diff --git a/format.c b/format.c
index f73a6caa0..dd6961b95 100644
--- a/format.c
+++ b/format.c
@@ -2844,6 +2844,19 @@ format_cb_window_height(struct format_tree *ft)
 	return (NULL);
 }
 
+/* Callback for window_manual_height. */
+static void *
+format_cb_window_manual_height(struct format_tree *ft)
+{
+	struct window	*w = ft->w;
+
+	if (w == NULL)
+		return (NULL);
+	if (options_get_number(w->options, "window-size") != WINDOW_SIZE_MANUAL)
+		return (xstrdup(""));
+	return (format_printf("%u", w->manual_sy));
+}
+
 /* Callback for window_id. */
 static void *
 format_cb_window_id(struct format_tree *ft)
@@ -3024,6 +3037,19 @@ format_cb_window_width(struct format_tree *ft)
 	return (NULL);
 }
 
+/* Callback for window_manual_width. */
+static void *
+format_cb_window_manual_width(struct format_tree *ft)
+{
+	struct window	*w = ft->w;
+
+	if (w == NULL)
+		return (NULL);
+	if (options_get_number(w->options, "window-size") != WINDOW_SIZE_MANUAL)
+		return (xstrdup(""));
+	return (format_printf("%u", w->manual_sx));
+}
+
 /* Callback for window_zoomed_flag. */
 static void *
 format_cb_window_zoomed_flag(struct format_tree *ft)
@@ -3730,6 +3756,12 @@ static const struct format_table_entry format_table[] = {
 	{ "window_linked_sessions_list", FORMAT_TABLE_STRING,
 	  format_cb_window_linked_sessions_list
 	},
+	{ "window_manual_height", FORMAT_TABLE_STRING,
+	  format_cb_window_manual_height
+	},
+	{ "window_manual_width", FORMAT_TABLE_STRING,
+	  format_cb_window_manual_width
+	},
 	{ "window_marked_flag", FORMAT_TABLE_STRING,
 	  format_cb_window_marked_flag
 	},
diff --git a/tmux.1 b/tmux.1
index f016d9db9..83c6bf042 100644
--- a/tmux.1
+++ b/tmux.1
@@ -7180,6 +7180,8 @@ The following variables are available, where appropriate:
 .It Li "window_linked" Ta "" Ta "1 if window is linked across sessions"
 .It Li "window_linked_sessions" Ta "" Ta "Number of sessions this window is linked to"
 .It Li "window_linked_sessions_list" Ta "" Ta "List of sessions this window is linked to"
+.It Li "window_manual_height" Ta "" Ta "Manual height of window, if set"
+.It Li "window_manual_width" Ta "" Ta "Manual width of window, if set"
 .It Li "window_marked_flag" Ta "" Ta "1 if window contains the marked pane"
 .It Li "window_name" Ta "#W" Ta "Name of window"
 .It Li "window_offset_x" Ta "" Ta "X offset into window if larger than client"