/* $OpenBSD: cmd-copy-mode.c,v 1.50 2026/03/03 12:26:14 nicm Exp $ */

/*
 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>

#include "tmux.h"

/*
 * Enter copy or clock mode.
 */

static enum cmd_retval  cmd_copy_mode_exec(struct cmd *, struct cmdq_item *);

const struct cmd_entry cmd_copy_mode_entry = {
        .name = "copy-mode",
        .alias = NULL,

        .args = { "deHMqSs:t:u", 0, 0, NULL },
        .usage = "[-deHMqSu] [-s src-pane] " CMD_TARGET_PANE_USAGE,

        .source =  { 's', CMD_FIND_PANE, 0 },
        .target = { 't', CMD_FIND_PANE, 0 },

        .flags = CMD_AFTERHOOK|CMD_READONLY,
        .exec = cmd_copy_mode_exec
};

const struct cmd_entry cmd_clock_mode_entry = {
        .name = "clock-mode",
        .alias = NULL,

        .args = { "t:", 0, 0, NULL },
        .usage = CMD_TARGET_PANE_USAGE,

        .target = { 't', CMD_FIND_PANE, 0 },

        .flags = CMD_AFTERHOOK,
        .exec = cmd_copy_mode_exec
};

static enum cmd_retval
cmd_copy_mode_exec(struct cmd *self, struct cmdq_item *item)
{
        struct args             *args = cmd_get_args(self);
        struct key_event        *event = cmdq_get_event(item);
        struct cmd_find_state   *source = cmdq_get_source(item);
        struct cmd_find_state   *target = cmdq_get_target(item);
        struct client           *c = cmdq_get_client(item);
        struct session          *s;
        struct window_pane      *wp = target->wp, *swp;

        if (args_has(args, 'q')) {
                window_pane_reset_mode_all(wp);
                return (CMD_RETURN_NORMAL);
        }

        if (args_has(args, 'M')) {
                if ((wp = cmd_mouse_pane(&event->m, &s, NULL)) == NULL)
                        return (CMD_RETURN_NORMAL);
                if (c == NULL || c->session != s)
                        return (CMD_RETURN_NORMAL);
        }

        if (cmd_get_entry(self) == &cmd_clock_mode_entry) {
                window_pane_set_mode(wp, NULL, &window_clock_mode, NULL, NULL);
                return (CMD_RETURN_NORMAL);
        }

        if (args_has(args, 's'))
                swp = source->wp;
        else
                swp = wp;
        if (!window_pane_set_mode(wp, swp, &window_copy_mode, NULL, args)) {
                if (args_has(args, 'M'))
                        window_copy_start_drag(c, &event->m);
        }
        if (args_has(args, 'u'))
                window_copy_pageup(wp, 0);
        if (args_has(args, 'd'))
                window_copy_pagedown(wp, 0, args_has(args, 'e'));
        if (args_has(args, 'S')) {
                window_copy_scroll(wp, c->tty.mouse_slider_mpos, event->m.y,
                    args_has(args, 'e'));
                return (CMD_RETURN_NORMAL);
        }

        return (CMD_RETURN_NORMAL);
}