diff options
Diffstat (limited to 'usr.bin/tmux/window-copy.c')
| -rw-r--r-- | usr.bin/tmux/window-copy.c | 58 |
1 files changed, 51 insertions, 7 deletions
diff --git a/usr.bin/tmux/window-copy.c b/usr.bin/tmux/window-copy.c index 56551d24430..401d7fcaa74 100644 --- a/usr.bin/tmux/window-copy.c +++ b/usr.bin/tmux/window-copy.c @@ -1,4 +1,4 @@ -/* $OpenBSD: window-copy.c,v 1.339 2022/08/23 08:14:19 nicm Exp $ */ +/* $OpenBSD: window-copy.c,v 1.340 2022/09/28 07:59:50 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> @@ -1250,20 +1250,23 @@ window_copy_cmd_cursor_right(struct window_copy_cmd_state *cs) return (WINDOW_COPY_CMD_NOTHING); } +/* Scroll line containing the cursor to the given position. */ static enum window_copy_cmd_action -window_copy_cmd_scroll_middle(struct window_copy_cmd_state *cs) +window_copy_cmd_scroll_to(struct window_copy_cmd_state *cs, u_int to) { struct window_mode_entry *wme = cs->wme; struct window_copy_mode_data *data = wme->data; - u_int mid_value, oy, delta; + u_int oy, delta; int scroll_up; /* >0 up, <0 down */ - mid_value = (screen_size_y(&data->screen) - 1) / 2; - scroll_up = data->cy - mid_value; + scroll_up = data->cy - to; delta = abs(scroll_up); - oy = screen_hsize(data->backing) + data->cy - data->oy; + oy = screen_hsize(data->backing) - data->oy; - log_debug ("XXX %u %u %u %d %u", mid_value, oy, delta, scroll_up, data->oy); + /* + * oy is the maximum scroll down amount, while data->oy is the maximum + * scroll up amount. + */ if (scroll_up > 0 && data->oy >= delta) { window_copy_scroll_up(wme, delta); data->cy -= delta; @@ -1276,6 +1279,35 @@ window_copy_cmd_scroll_middle(struct window_copy_cmd_state *cs) return (WINDOW_COPY_CMD_REDRAW); } +/* Scroll line containing the cursor to the bottom. */ +static enum window_copy_cmd_action +window_copy_cmd_scroll_bottom(struct window_copy_cmd_state *cs) +{ + struct window_copy_mode_data *data = cs->wme->data; + u_int bottom; + + bottom = screen_size_y(&data->screen) - 1; + return (window_copy_cmd_scroll_to(cs, bottom)); +} + +/* Scroll line containing the cursor to the middle. */ +static enum window_copy_cmd_action +window_copy_cmd_scroll_middle(struct window_copy_cmd_state *cs) +{ + struct window_copy_mode_data *data = cs->wme->data; + u_int mid_value; + + mid_value = (screen_size_y(&data->screen) - 1) / 2; + return (window_copy_cmd_scroll_to(cs, mid_value)); +} + +/* Scroll line containing the cursor to the top. */ +static enum window_copy_cmd_action +window_copy_cmd_scroll_top(struct window_copy_cmd_state *cs) +{ + return (window_copy_cmd_scroll_to(cs, 0)); +} + static enum window_copy_cmd_action window_copy_cmd_cursor_up(struct window_copy_cmd_state *cs) { @@ -2794,6 +2826,12 @@ static const struct { .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS, .f = window_copy_cmd_refresh_from_pane }, + { .command = "scroll-bottom", + .minargs = 0, + .maxargs = 0, + .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS, + .f = window_copy_cmd_scroll_bottom + }, { .command = "scroll-down", .minargs = 0, .maxargs = 0, @@ -2812,6 +2850,12 @@ static const struct { .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS, .f = window_copy_cmd_scroll_middle }, + { .command = "scroll-top", + .minargs = 0, + .maxargs = 0, + .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS, + .f = window_copy_cmd_scroll_top + }, { .command = "scroll-up", .minargs = 0, .maxargs = 0, |