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1.4 ! nicm 1: /* $OpenBSD: cmd-display-menu.c,v 1.3 2019/05/26 17:34:45 nicm Exp $ */
1.1 nicm 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:
1.4 ! nicm 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 ...",
1.1 nicm 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;
1.4 ! nicm 58: struct menu_item menu_item;
! 59: const char *xp, *yp, *key;
! 60: char *title, *name;
! 61: int at, flags, i;
1.1 nicm 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("");
1.4 ! nicm 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: }
1.1 nicm 98: free(title);
99: if (menu == NULL) {
1.4 ! nicm 100: cmdq_error(item, "invalid menu arguments");
1.1 nicm 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: }