1 /* $OpenBSD: cmd-display-menu.c,v 1.4 2019/05/28 07:18:42 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2019 Nicholas Marriott <nicholas.marriott@gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <stdlib.h> 22 #include <string.h> 23 24 #include "tmux.h" 25 26 /* 27 * Display a menu on a client. 28 */ 29 30 static enum cmd_retval cmd_display_menu_exec(struct cmd *, 31 struct cmdq_item *); 32 33 const struct cmd_entry cmd_display_menu_entry = { 34 .name = "display-menu", 35 .alias = "menu", 36 37 .args = { "c:t:T:x:y:", 1, -1 }, 38 .usage = "[-c target-client] " CMD_TARGET_PANE_USAGE " [-T title] " 39 "[-x position] [-y position] name key command ...", 40 41 .target = { 't', CMD_FIND_PANE, 0 }, 42 43 .flags = CMD_AFTERHOOK, 44 .exec = cmd_display_menu_exec 45 }; 46 47 static enum cmd_retval 48 cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item) 49 { 50 struct args *args = self->args; 51 struct client *c; 52 struct session *s = item->target.s; 53 struct winlink *wl = item->target.wl; 54 struct window_pane *wp = item->target.wp; 55 struct cmd_find_state *fs = &item->target; 56 struct menu *menu = NULL; 57 struct style_range *sr; 58 struct menu_item menu_item; 59 const char *xp, *yp, *key; 60 char *title, *name; 61 int at, flags, i; 62 u_int px, py, ox, oy, sx, sy; 63 64 if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL) 65 return (CMD_RETURN_ERROR); 66 if (c->overlay_draw != NULL) 67 return (CMD_RETURN_NORMAL); 68 at = status_at_line(c); 69 70 if (args_has(args, 'T')) 71 title = format_single(NULL, args_get(args, 'T'), c, s, wl, wp); 72 else 73 title = xstrdup(""); 74 75 menu = menu_create(title); 76 77 for (i = 0; i != args->argc; /* nothing */) { 78 name = args->argv[i++]; 79 if (*name == '\0') { 80 menu_add_item(menu, NULL, item, c, fs); 81 continue; 82 } 83 84 if (args->argc - i < 2) { 85 cmdq_error(item, "not enough arguments"); 86 free(title); 87 menu_free(menu); 88 return (CMD_RETURN_ERROR); 89 } 90 key = args->argv[i++]; 91 92 menu_item.name = name; 93 menu_item.key = key_string_lookup_string(key); 94 menu_item.command = args->argv[i++]; 95 96 menu_add_item(menu, &menu_item, item, c, fs); 97 } 98 free(title); 99 if (menu == NULL) { 100 cmdq_error(item, "invalid menu arguments"); 101 return (CMD_RETURN_ERROR); 102 } 103 if (menu->count == 0) { 104 menu_free(menu); 105 return (CMD_RETURN_NORMAL); 106 } 107 108 xp = args_get(args, 'x'); 109 if (xp == NULL) 110 px = 0; 111 else if (strcmp(xp, "R") == 0) 112 px = c->tty.sx - 1; 113 else if (strcmp(xp, "P") == 0) { 114 tty_window_offset(&c->tty, &ox, &oy, &sx, &sy); 115 if (wp->xoff >= ox) 116 px = wp->xoff - ox; 117 else 118 px = 0; 119 } else if (strcmp(xp, "M") == 0 && item->shared->mouse.valid) { 120 if (item->shared->mouse.x > (menu->width + 4) / 2) 121 px = item->shared->mouse.x - (menu->width + 4) / 2; 122 else 123 px = 0; 124 } 125 else if (strcmp(xp, "W") == 0) { 126 if (at == -1) 127 px = 0; 128 else { 129 TAILQ_FOREACH(sr, &c->status.entries[0].ranges, entry) { 130 if (sr->type != STYLE_RANGE_WINDOW) 131 continue; 132 if (sr->argument == (u_int)wl->idx) 133 break; 134 } 135 if (sr != NULL) 136 px = sr->start; 137 else 138 px = 0; 139 } 140 } else 141 px = strtoul(xp, NULL, 10); 142 if (px + menu->width + 4 >= c->tty.sx) 143 px = c->tty.sx - menu->width - 4; 144 145 yp = args_get(args, 'y'); 146 if (yp == NULL) 147 py = 0; 148 else if (strcmp(yp, "P") == 0) { 149 tty_window_offset(&c->tty, &ox, &oy, &sx, &sy); 150 if (wp->yoff + wp->sy >= oy) 151 py = wp->yoff + wp->sy - oy; 152 else 153 py = 0; 154 } else if (strcmp(yp, "M") == 0 && item->shared->mouse.valid) 155 py = item->shared->mouse.y + menu->count + 2; 156 else if (strcmp(yp, "S") == 0) { 157 if (at == -1) 158 py = c->tty.sy; 159 else if (at == 0) 160 py = status_line_size(c) + menu->count + 2; 161 else 162 py = at; 163 } else 164 py = strtoul(yp, NULL, 10); 165 if (py < menu->count + 2) 166 py = 0; 167 else 168 py -= menu->count + 2; 169 if (py + menu->count + 2 >= c->tty.sy) 170 py = c->tty.sy - menu->count - 2; 171 172 flags = 0; 173 if (!item->shared->mouse.valid) 174 flags |= MENU_NOMOUSE; 175 if (menu_display(menu, flags, item, px, py, c, fs, NULL, NULL) != 0) 176 return (CMD_RETURN_NORMAL); 177 return (CMD_RETURN_WAIT); 178 } 179