From 6ceeceab7adfb7b6a779df52f811f010aae0721c Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Mon, 15 Jul 2019 18:25:07 +0000
Subject: [PATCH] Make layout_fix_offsets take a window like layout_fix_panes.

---
 layout-custom.c |  2 +-
 layout-set.c    |  8 ++++----
 layout.c        | 30 +++++++++++++++++++++---------
 tmux.h          |  2 +-
 4 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/layout-custom.c b/layout-custom.c
index bedcaf10..d759c206 100644
--- a/layout-custom.c
+++ b/layout-custom.c
@@ -165,7 +165,7 @@ layout_parse(struct window *w, const char *layout)
 	layout_assign(&wp, lc);
 
 	/* Update pane offsets and sizes. */
-	layout_fix_offsets(lc);
+	layout_fix_offsets(w);
 	layout_fix_panes(w);
 	recalculate_sizes();
 
diff --git a/layout-set.c b/layout-set.c
index 12b4780f..82247149 100644
--- a/layout-set.c
+++ b/layout-set.c
@@ -158,7 +158,7 @@ layout_set_even(struct window *w, enum layout_type type)
 	layout_spread_cell(w, lc);
 
 	/* Fix cell offsets. */
-	layout_fix_offsets(lc);
+	layout_fix_offsets(w);
 	layout_fix_panes(w);
 
 	layout_print_cell(w->layout_root, __func__, 1);
@@ -257,7 +257,7 @@ layout_set_main_h(struct window *w)
 	}
 
 	/* Fix cell offsets. */
-	layout_fix_offsets(lc);
+	layout_fix_offsets(w);
 	layout_fix_panes(w);
 
 	layout_print_cell(w->layout_root, __func__, 1);
@@ -344,7 +344,7 @@ layout_set_main_v(struct window *w)
 	}
 
 	/* Fix cell offsets. */
-	layout_fix_offsets(lc);
+	layout_fix_offsets(w);
 	layout_fix_panes(w);
 
 	layout_print_cell(w->layout_root, __func__, 1);
@@ -453,7 +453,7 @@ layout_set_tiled(struct window *w)
 	}
 
 	/* Fix cell offsets. */
-	layout_fix_offsets(lc);
+	layout_fix_offsets(w);
 	layout_fix_panes(w);
 
 	layout_print_cell(w->layout_root, __func__, 1);
diff --git a/layout.c b/layout.c
index e84da936..f6bba34f 100644
--- a/layout.c
+++ b/layout.c
@@ -200,8 +200,8 @@ layout_make_node(struct layout_cell *lc, enum layout_type type)
 }
 
 /* Fix cell offsets based on their sizes. */
-void
-layout_fix_offsets(struct layout_cell *lc)
+static void
+layout_fix_offsets1(struct layout_cell *lc)
 {
 	struct layout_cell	*lcchild;
 	u_int			 xoff, yoff;
@@ -212,7 +212,7 @@ layout_fix_offsets(struct layout_cell *lc)
 			lcchild->xoff = xoff;
 			lcchild->yoff = lc->yoff;
 			if (lcchild->type != LAYOUT_WINDOWPANE)
-				layout_fix_offsets(lcchild);
+				layout_fix_offsets1(lcchild);
 			xoff += lcchild->sx + 1;
 		}
 	} else {
@@ -221,12 +221,24 @@ layout_fix_offsets(struct layout_cell *lc)
 			lcchild->xoff = lc->xoff;
 			lcchild->yoff = yoff;
 			if (lcchild->type != LAYOUT_WINDOWPANE)
-				layout_fix_offsets(lcchild);
+				layout_fix_offsets1(lcchild);
 			yoff += lcchild->sy + 1;
 		}
 	}
 }
 
+/* Update cell offsets based on their sizes. */
+void
+layout_fix_offsets(struct window *w)
+{
+	struct layout_cell      *lc = w->layout_root;
+
+	lc->xoff = 0;
+	lc->yoff = 0;
+
+	layout_fix_offsets1(lc);
+}
+
 /*
  * Returns 1 if we need to reserve space for the pane status line. This is the
  * case for the most upper panes only.
@@ -507,7 +519,7 @@ layout_resize(struct window *w, u_int sx, u_int sy)
 		layout_resize_adjust(w, lc, LAYOUT_TOPBOTTOM, ychange);
 
 	/* Fix cell offsets. */
-	layout_fix_offsets(lc);
+	layout_fix_offsets(w);
 	layout_fix_panes(w);
 }
 
@@ -567,7 +579,7 @@ layout_resize_layout(struct window *w, struct layout_cell *lc,
 	}
 
 	/* Fix cell offsets. */
-	layout_fix_offsets(w->layout_root);
+	layout_fix_offsets(w);
 	layout_fix_panes(w);
 	notify_window("window-layout-changed", w);
 }
@@ -988,7 +1000,7 @@ layout_split_pane(struct window_pane *wp, enum layout_type type, int size,
 	if (full_size) {
 		if (!resize_first)
 			layout_resize_child_cells(wp->window, lc);
-		layout_fix_offsets(wp->window->layout_root);
+		layout_fix_offsets(wp->window);
 	} else
 		layout_make_leaf(lc, wp);
 
@@ -1006,7 +1018,7 @@ layout_close_pane(struct window_pane *wp)
 
 	/* Fix pane offsets and sizes. */
 	if (w->layout_root != NULL) {
-		layout_fix_offsets(w->layout_root);
+		layout_fix_offsets(w);
 		layout_fix_panes(w);
 	}
 	notify_window("window-layout-changed", w);
@@ -1073,7 +1085,7 @@ layout_spread_out(struct window_pane *wp)
 
 	do {
 		if (layout_spread_cell(w, parent)) {
-			layout_fix_offsets(parent);
+			layout_fix_offsets(w);
 			layout_fix_panes(w);
 			break;
 		}
diff --git a/tmux.h b/tmux.h
index b09b52a8..076a5fe6 100644
--- a/tmux.h
+++ b/tmux.h
@@ -2438,7 +2438,7 @@ void		 layout_set_size(struct layout_cell *, u_int, u_int, u_int,
 		     u_int);
 void		 layout_make_leaf(struct layout_cell *, struct window_pane *);
 void		 layout_make_node(struct layout_cell *, enum layout_type);
-void		 layout_fix_offsets(struct layout_cell *);
+void		 layout_fix_offsets(struct window *);
 void		 layout_fix_panes(struct window *);
 void		 layout_resize_adjust(struct window *, struct layout_cell *,
 		     enum layout_type, int);