path: root/window-choose.c

/* $OpenBSD$ */

/*
 * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
 *
 * 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 <ctype.h>
#include <stdlib.h>
#include <string.h>

#include "array.h"
#include "tmux.h"

struct screen *window_choose_init(struct window_pane *);
void	window_choose_free(struct window_pane *);
void	window_choose_resize(struct window_pane *, u_int, u_int);
void	window_choose_key(struct window_pane *, struct client *,
	    struct session *, key_code, struct mouse_event *);

void	window_choose_default_callback(struct window_choose_data *);
struct window_choose_mode_item *window_choose_get_item(struct window_pane *,
	    key_code, struct mouse_event *);

void	window_choose_fire_callback(
	    struct window_pane *, struct window_choose_data *);
void	window_choose_redraw_screen(struct window_pane *);
void	window_choose_write_line(
	    struct window_pane *, struct screen_write_ctx *, u_int);

void	window_choose_scroll_up(struct window_pane *);
void	window_choose_scroll_down(struct window_pane *);

void	window_choose_collapse(struct window_pane *, struct session *, u_int);
void	window_choose_expand(struct window_pane *, struct session *, u_int);

enum window_choose_input_type {
	WINDOW_CHOOSE_NORMAL = -1,
	WINDOW_CHOOSE_GOTO_ITEM,
};

const struct window_mode window_choose_mode = {
	window_choose_init,
	window_choose_free,
	window_choose_resize,
	window_choose_key,
};

struct window_choose_mode_item {
	struct window_choose_data	*wcd;
	char				*name;
	int				 pos;
	int				 state;
#define TREE_EXPANDED 0x1
};

struct window_choose_mode_data {
	struct screen	        screen;

	struct mode_key_data	mdata;

	ARRAY_DECL(, struct window_choose_mode_item) list;
	ARRAY_DECL(, struct window_choose_mode_item) old_list;
	int			width;
	u_int			top;
	u_int			selected;
	enum window_choose_input_type input_type;
	const char		*input_prompt;
	char			*input_str;

	void 			(*callbackfn)(struct window_choose_data *);
};

void	window_choose_free1(struct window_choose_mode_data *);
int     window_choose_key_index(struct window_choose_mode_data *, u_int);
int     window_choose_index_key(struct window_choose_mode_data *, key_code);
void	window_choose_prompt_input(enum window_choose_input_type,
	    const char *, struct window_pane *, key_code);
void	window_choose_reset_top(struct window_pane *, u_int);

void
window_choose_add(struct window_pane *wp, struct window_choose_data *wcd)
{
	struct window_choose_mode_data	*data = wp->modedata;
	struct window_choose_mode_item	*item;
	char				 tmp[10];

	ARRAY_EXPAND(&data->list, 1);
	item = &ARRAY_LAST(&data->list);

	item->name = format_expand(wcd->ft, wcd->ft_template);
	item->wcd = wcd;
	item->pos = ARRAY_LENGTH(&data->list) - 1;
	item->state = 0;

	data->width = xsnprintf(tmp, sizeof tmp , "%d", item->pos);
}

void
window_choose_set_current(struct window_pane *wp, u_int cur)
{
	struct window_choose_mode_data	*data = wp->modedata;
	struct screen			*s = &data->screen;

	data->selected = cur;
	window_choose_reset_top(wp, screen_size_y(s));
}

void
window_choose_reset_top(struct window_pane *wp, u_int sy)
{
	struct window_choose_mode_data	*data = wp->modedata;

	data->top = 0;
	if (data->selected > sy - 1)
		data->top = data->selected - (sy - 1);

	window_choose_redraw_screen(wp);
}

void
window_choose_ready(struct window_pane *wp, u_int cur,
    void (*callbackfn)(struct window_choose_data *))
{
	struct window_choose_mode_data	*data = wp->modedata;

	data->callbackfn = callbackfn;
	if (data->callbackfn == NULL)
		data->callbackfn = window_choose_default_callback;

	ARRAY_CONCAT(&data->old_list, &data->list);

	window_choose_set_current(wp, cur);
	window_choose_collapse_all(wp