===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/cmd-resize-pane.c,v
retrieving revision 1.31
retrieving revision 1.32
diff -u -r1.31 -r1.32
--- src/usr.bin/tmux/cmd-resize-pane.c	2017/05/11 07:24:42	1.31
+++ src/usr.bin/tmux/cmd-resize-pane.c	2018/06/08 20:54:22	1.32
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-resize-pane.c,v 1.31 2017/05/11 07:24:42 nicm Exp $ */
+/* $OpenBSD: cmd-resize-pane.c,v 1.32 2018/06/08 20:54:22 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -129,14 +129,16 @@
 cmd_resize_pane_mouse_update(struct client *c, struct mouse_event *m)
 {
 	struct winlink		*wl;
-	struct window_pane	*loop, *wp_x, *wp_y;
-	u_int			 y, ly, x, lx, sx, sy, ex, ey;
+	struct window		*w;
+	u_int			 y, ly, x, lx;
+	struct layout_cell	*lc;
 
 	wl = cmd_mouse_window(m, NULL);
 	if (wl == NULL) {
 		c->tty.mouse_drag_update = NULL;
 		return;
 	}
+	w = wl->window;
 
 	y = m->y; x = m->x;
 	if (m->statusat == 0 && y > 0)
@@ -149,37 +151,16 @@
 	else if (m->statusat > 0 && ly >= (u_int)m->statusat)
 		ly = m->statusat - 1;
 
-	wp_x = wp_y = NULL;
-	TAILQ_FOREACH(loop, &wl->window->panes, entry) {
-		if (!window_pane_visible(loop))
-			continue;
+	lc = layout_search_by_border(w->layout_root, lx, ly);
+	if (lc == NULL)
+		return;
 
-		sx = loop->xoff;
-		if (sx != 0)
-			sx--;
-		ex = loop->xoff + loop->sx;
-
-		sy = loop->yoff;
-		if (sy != 0)
-			sy--;
-		ey = loop->yoff + loop->sy;
-
-		if ((lx == sx || lx == ex) &&
-		    (ly >= sy && ly <= ey) &&
-		    (wp_x == NULL || loop->sy > wp_x->sy))
-			wp_x = loop;
-		if ((ly == sy || ly == ey) &&
-		    (lx >= sx && lx <= ex) &&
-		    (wp_y == NULL || loop->sx > wp_y->sx))
-			wp_y = loop;
-	}
-	if (wp_x == NULL && wp_y == NULL) {
-		c->tty.mouse_drag_update = NULL;
+	if (y != ly && lc->parent->type == LAYOUT_TOPBOTTOM)
+		layout_resize_layout(w, lc, LAYOUT_TOPBOTTOM, y - ly, 0);
+	else if (x != lx && lc->parent->type == LAYOUT_LEFTRIGHT)
+		layout_resize_layout(w, lc, LAYOUT_LEFTRIGHT, x - lx, 0);
+	else
 		return;
-	}
-	if (wp_x != NULL)
-		layout_resize_pane(wp_x, LAYOUT_LEFTRIGHT, x - lx, 0);
-	if (wp_y != NULL)
-		layout_resize_pane(wp_y, LAYOUT_TOPBOTTOM, y - ly, 0);
-	server_redraw_window(wl->window);
+
+	server_redraw_window(w);
 }