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/* $OpenBSD: cmd-display-menu.c,v 1.4 2019/05/28 07:18:42 nicm Exp $ */
/*
* Copyright (c) 2019 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 <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Display a menu on a client.
*/
static enum cmd_retval cmd_display_menu_exec(struct cmd *,
struct cmdq_item *);
const struct cmd_entry cmd_display_menu_entry = {
.name = "display-menu",
.alias = "menu",
.args = { "c:t:T:x:y:", 1, -1 },
.usage = "[-c target-client] " CMD_TARGET_PANE_USAGE " [-T title] "
"[-x position] [-y position] name key command ...",
.target = { 't', CMD_FIND_PANE, 0 },
.flags = CMD_AFTERHOOK,
.exec = cmd_display_menu_exec
};
static enum cmd_retval
cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct client *c;
struct session *s = item->target.s;
struct winlink *wl = item->target.wl;
struct window_pane *wp = item->target.wp;
struct cmd_find_state *fs = &item->target;
struct menu *menu = NULL;
struct style_range *sr;
struct menu_item menu_item;
const char *xp, *yp, *key;
char *title, *name;
int at, flags, i;
u_int px, py, ox, oy, sx, sy;
if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL)
return (CMD_RETURN_ERROR);
if (c->overlay_draw != NULL)
return (CMD_RETURN_NORMAL);
at = status_at_line(c);
if (args_has(args, 'T'))
title = format_single(NULL, args_get(args, 'T'), c, s, wl, wp);
else
title = xstrdup("");
menu = menu_create(title);
for (i = 0; i != args->argc; /* nothing */) {
name = args->argv[i++];
if (*name == '\0') {
menu_add_item(menu, NULL, item, c, fs);
continue;
}
if (args->argc - i < 2) {
cmdq_error(item, "not enough arguments");
free(title);
menu_free(menu);
return (CMD_RETURN_ERROR);
}
key = args->argv[i++];
menu_item.name = name;
menu_item.key = key_string_lookup_string(key);
menu_item.command = args->argv[i++];
menu_add_item(menu, &menu_item, item, c, fs);
}
free(title);
if (menu == NULL) {
cmdq_error(item, "invalid menu arguments");
return (CMD_RETURN_ERROR);
}
if (menu->count == 0) {
menu_free(menu);
return (CMD_RETURN_NORMAL);
}
xp = args_get(args, 'x');
if (xp == NULL)
px = 0;
else if (strcmp(xp, "R") == 0)
px = c->tty.sx - 1;
else if (strcmp(xp, "P") == 0) {
tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
if (wp->xoff >= ox)
px = wp->xoff - ox;
else
px = 0;
} else if (strcmp(xp, "M") == 0 && item->shared->mouse.valid) {
if (item->shared->mouse.x > (menu->width + 4) / 2)
px = item->shared->mouse.x - (menu->width + 4) / 2;
else
px = 0;
}
else if (strcmp(xp, "W") == 0) {
if (at == -1)
px = 0;
else {
TAILQ_FOREACH(sr, &c->status.entries[0].ranges, entry) {
if (sr->type != STYLE_RANGE_WINDOW)
continue;
if (sr->argument == (u_int)wl->idx)
break;
}
if (sr != NULL)
px = sr->start;
else
px = 0;
}
} else
px = strtoul(xp, NULL, 10);
if (px + menu->width + 4 >= c->tty.sx)
px = c->tty.sx - menu->width - 4;
yp = args_get(args, 'y');
if (yp == NULL)
py = 0;
else if (strcmp(yp, "P") == 0) {
tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
if (wp->yoff + wp->sy >= oy)
py = wp->yoff + wp->sy - oy;
else
py = 0;
} else if (strcmp(yp, "M") == 0 && item->shared->mouse.valid)
py = item->shared->mouse.y + menu->count + 2;
else if (strcmp(yp, "S") == 0) {
if (at == -1)
py = c->tty.sy;
else if (at == 0)
py = status_line_size(c) + menu->count + 2;
else
py = at;
} else
py = strtoul(yp, NULL, 10);
if (py < menu->count + 2)
py = 0;
else
py -= menu->count + 2;
if (py + menu->count + 2 >= c->tty.sy)
py = c->tty.sy - menu->count - 2;
flags = 0;
if (!item->shared->mouse.valid)
flags |= MENU_NOMOUSE;
if (menu_display(menu, flags, item, px, py, c, fs, NULL, NULL) != 0)
return (CMD_RETURN_NORMAL);
return (CMD_RETURN_WAIT);
}
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