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1.2 ! nicm 1: /* $OpenBSD: cmd-display-menu.c,v 1.1 2019/05/10 18:04:06 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:
37: .args = { "c:FM:t:T:x:y:", 0, 0 },
38: .usage = "[-F] [-c target-client] [-M menu] " CMD_TARGET_PANE_USAGE " "
39: "[-T title] [-x position] [-y position]",
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: const char *string, *xp, *yp;
59: int at, flags;
60: u_int px, py, ox, oy, sx, sy;
61: char *title;
62:
63: if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL)
64: return (CMD_RETURN_ERROR);
65: if (c->overlay_draw != NULL)
66: return (CMD_RETURN_NORMAL);
67: at = status_at_line(c);
68:
69: string = args_get(args, 'M');
70: if (string == NULL) {
71: cmdq_error(item, "no menu specified");
72: return (CMD_RETURN_ERROR);
73: }
74: if (args_has(args, 'F'))
75: string = format_single(NULL, string, c, s, wl, wp);
76: else
77: string = xstrdup(string);
78: if (args_has(args, 'T'))
79: title = format_single(NULL, args_get(args, 'T'), c, s, wl, wp);
80: else
81: title = xstrdup("");
1.2 ! nicm 82: menu = menu_create(string, c, fs, title);
1.1 nicm 83: free(title);
84: if (menu == NULL) {
85: cmdq_error(item, "invalid menu %s", string);
86: return (CMD_RETURN_ERROR);
87: }
88: if (menu->count == 0) {
89: menu_free(menu);
90: return (CMD_RETURN_NORMAL);
91: }
92:
93: xp = args_get(args, 'x');
94: if (xp == NULL)
95: px = 0;
96: else if (strcmp(xp, "R") == 0)
97: px = c->tty.sx - 1;
98: else if (strcmp(xp, "P") == 0) {
99: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
100: if (wp->xoff >= ox)
101: px = wp->xoff - ox;
102: else
103: px = 0;
104: } else if (strcmp(xp, "M") == 0 && item->shared->mouse.valid) {
105: if (item->shared->mouse.x > (menu->width + 4) / 2)
106: px = item->shared->mouse.x - (menu->width + 4) / 2;
107: else
108: px = 0;
109: }
110: else if (strcmp(xp, "W") == 0) {
111: if (at == -1)
112: px = 0;
113: else {
114: TAILQ_FOREACH(sr, &c->status.entries[0].ranges, entry) {
115: if (sr->type != STYLE_RANGE_WINDOW)
116: continue;
117: if (sr->argument == (u_int)wl->idx)
118: break;
119: }
120: if (sr != NULL)
121: px = sr->start;
122: else
123: px = 0;
124: }
125: } else
126: px = strtoul(xp, NULL, 10);
127: if (px + menu->width + 4 >= c->tty.sx)
128: px = c->tty.sx - menu->width - 4;
129:
130: yp = args_get(args, 'y');
131: if (yp == NULL)
132: py = 0;
133: else if (strcmp(yp, "P") == 0) {
134: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
135: if (wp->yoff + wp->sy >= oy)
136: py = wp->yoff + wp->sy - oy;
137: else
138: py = 0;
139: } else if (strcmp(yp, "M") == 0 && item->shared->mouse.valid)
140: py = item->shared->mouse.y + menu->count + 2;
141: else if (strcmp(yp, "S") == 0) {
142: if (at == -1)
143: py = c->tty.sy;
144: else if (at == 0)
145: py = status_line_size(c) + menu->count + 2;
146: else
147: py = at;
148: } else
149: py = strtoul(yp, NULL, 10);
150: if (py < menu->count + 2)
151: py = 0;
152: else
153: py -= menu->count + 2;
154: if (py + menu->count + 2 >= c->tty.sy)
155: py = c->tty.sy - menu->count - 2;
156:
157: flags = 0;
158: if (!item->shared->mouse.valid)
159: flags |= MENU_NOMOUSE;
160: if (menu_display(menu, flags, item, px, py, c, fs, NULL, NULL) != 0)
161: return (CMD_RETURN_NORMAL);
162: return (CMD_RETURN_WAIT);
163: }