diff options
Diffstat (limited to 'window-copy.c')
| -rw-r--r-- | window-copy.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/window-copy.c b/window-copy.c index 834a2d99..743364d6 100644 --- a/window-copy.c +++ b/window-copy.c @@ -1251,6 +1251,32 @@ window_copy_cmd_cursor_right(struct window_copy_cmd_state *cs) } static enum window_copy_cmd_action +window_copy_cmd_scroll_middle(struct window_copy_cmd_state *cs) +{ + struct window_mode_entry *wme = cs->wme; + struct window_copy_mode_data *data = wme->data; + u_int mid_value, oy, delta; + int scroll_up; /* >0 up, <0 down */ + + mid_value = (screen_size_y(&data->screen) - 1) / 2; + scroll_up = data->cy - mid_value; + delta = abs(scroll_up); + oy = screen_hsize(data->backing) + data->cy - data->oy; + + log_debug ("XXX %u %u %u %d %u", mid_value, oy, delta, scroll_up, data->oy); + if (scroll_up > 0 && data->oy >= delta) { + window_copy_scroll_up(wme, delta); + data->cy -= delta; + } else if (scroll_up < 0 && oy >= delta) { + window_copy_scroll_down(wme, delta); + data->cy += delta; + } + + window_copy_update_selection(wme, 0, 0); + return (WINDOW_COPY_CMD_REDRAW); +} + +static enum window_copy_cmd_action window_copy_cmd_cursor_up(struct window_copy_cmd_state *cs) { struct window_mode_entry *wme = cs->wme; @@ -2780,6 +2806,12 @@ static const struct { .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS, .f = window_copy_cmd_scroll_down_and_cancel }, + { .command = "scroll-middle", + .minargs = 0, + .maxargs = 0, + .clear = WINDOW_COPY_CMD_CLEAR_ALWAYS, + .f = window_copy_cmd_scroll_middle + }, { .command = "scroll-up", .minargs = 0, .maxargs = 0, |