Add function to get current offset from copy mode, from Michael Grant.

diff --git a/usr.bin/tmux/tmux.h b/usr.bin/tmux/tmux.h
index 1f6e4c4..3e20243 100644 (file)
--- a/usr.bin/tmux/tmux.h
+++ b/usr.bin/tmux/tmux.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: tmux.h,v 1.1234 2024/10/07 08:50:47 nicm Exp $ */
+/* $OpenBSD: tmux.h,v 1.1235 2024/10/21 12:39:49 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -3245,6 +3245,8 @@ void               window_copy_pagedown(struct window_pane *, int, int);
 void            window_copy_start_drag(struct client *, struct mouse_event *);
 char           *window_copy_get_word(struct window_pane *, u_int, u_int);
 char           *window_copy_get_line(struct window_pane *, u_int);
+int             window_copy_get_current_offset(struct window_pane *, u_int *,
+                    u_int *);
 
 /* window-option.c */
 extern const struct window_mode window_customize_mode;

diff --git a/usr.bin/tmux/window-copy.c b/usr.bin/tmux/window-copy.c
index 6e29031..3129bf1 100644 (file)
--- a/usr.bin/tmux/window-copy.c
+++ b/usr.bin/tmux/window-copy.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: window-copy.c,v 1.357 2024/10/05 00:35:35 nicm Exp $ */
+/* $OpenBSD: window-copy.c,v 1.358 2024/10/21 12:39:49 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -4188,6 +4188,23 @@ window_copy_write_one(struct window_mode_entry *wme,
        }
 }
 
+int
+window_copy_get_current_offset(struct window_pane *wp, u_int *offset,
+    u_int *size)
+{
+       struct window_mode_entry        *wme = TAILQ_FIRST(&wp->modes);
+       struct window_copy_mode_data    *data = wme->data;
+       u_int                            hsize;
+
+       if (data == NULL)
+               return (0);
+       hsize = screen_hsize(data->backing);
+
+       *offset = hsize - data->oy;
+       *size = hsize;
+       return (1);
+}
+
 static void
 window_copy_write_line(struct window_mode_entry *wme,
     struct screen_write_ctx *ctx, u_int py)