Annotation of src/usr.bin/tmux/cmd-display-menu.c, Revision 1.24
1.24 ! nicm 1: /* $OpenBSD: cmd-display-menu.c,v 1.23 2021/03/02 10:56:45 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:
1.23 nicm 21: #include <paths.h>
1.1 nicm 22: #include <stdlib.h>
23: #include <string.h>
24:
25: #include "tmux.h"
26:
27: /*
28: * Display a menu on a client.
29: */
30:
31: static enum cmd_retval cmd_display_menu_exec(struct cmd *,
32: struct cmdq_item *);
1.7 nicm 33: static enum cmd_retval cmd_display_popup_exec(struct cmd *,
34: struct cmdq_item *);
1.1 nicm 35:
36: const struct cmd_entry cmd_display_menu_entry = {
37: .name = "display-menu",
38: .alias = "menu",
39:
1.20 nicm 40: .args = { "c:t:OT:x:y:", 1, -1 },
41: .usage = "[-O] [-c target-client] " CMD_TARGET_PANE_USAGE " [-T title] "
1.4 nicm 42: "[-x position] [-y position] name key command ...",
1.1 nicm 43:
44: .target = { 't', CMD_FIND_PANE, 0 },
45:
1.18 nicm 46: .flags = CMD_AFTERHOOK|CMD_CLIENT_CFLAG,
1.1 nicm 47: .exec = cmd_display_menu_exec
48: };
49:
1.7 nicm 50: const struct cmd_entry cmd_display_popup_entry = {
51: .name = "display-popup",
52: .alias = "popup",
53:
1.23 nicm 54: .args = { "Cc:d:Eh:t:w:x:y:", 0, -1 },
55: .usage = "[-CE] [-c target-client] [-d start-directory] [-h height] "
56: CMD_TARGET_PANE_USAGE " [-w width] "
57: "[-x position] [-y position] [command]",
1.7 nicm 58:
59: .target = { 't', CMD_FIND_PANE, 0 },
60:
1.18 nicm 61: .flags = CMD_AFTERHOOK|CMD_CLIENT_CFLAG,
1.7 nicm 62: .exec = cmd_display_popup_exec
63: };
64:
1.21 nicm 65: static int
1.18 nicm 66: cmd_display_menu_get_position(struct client *tc, struct cmdq_item *item,
1.5 nicm 67: struct args *args, u_int *px, u_int *py, u_int w, u_int h)
68: {
1.18 nicm 69: struct tty *tty = &tc->tty;
1.14 nicm 70: struct cmd_find_state *target = cmdq_get_target(item);
1.17 nicm 71: struct key_event *event = cmdq_get_event(item);
1.18 nicm 72: struct session *s = tc->session;
1.14 nicm 73: struct winlink *wl = target->wl;
74: struct window_pane *wp = target->wp;
1.21 nicm 75: struct style_ranges *ranges = NULL;
76: struct style_range *sr = NULL;
1.5 nicm 77: const char *xp, *yp;
1.21 nicm 78: char *p;
79: int top;
80: u_int line, ox, oy, sx, sy, lines, position;
81: long n;
82: struct format_tree *ft;
83:
84: /*
85: * Work out the position from the -x and -y arguments. This is the
86: * bottom-left position.
87: */
88:
89: /* If the popup is too big, stop now. */
90: if (w > tty->sx || h > tty->sy)
91: return (0);
92:
93: /* Create format with mouse position if any. */
94: ft = format_create_from_target(item);
95: if (event->m.valid) {
96: format_add(ft, "popup_mouse_x", "%u", event->m.x);
97: format_add(ft, "popup_mouse_y", "%u", event->m.y);
1.11 nicm 98: }
1.5 nicm 99:
1.21 nicm 100: /*
101: * If there are any status lines, add this window position and the
102: * status line position.
103: */
104: top = status_at_line(tc);
105: if (top != -1) {
106: lines = status_line_size(tc);
107: if (top == 0)
108: top = lines;
1.5 nicm 109: else
1.21 nicm 110: top = 0;
111: position = options_get_number(s->options, "status-position");
112:
113: for (line = 0; line < lines; line++) {
114: ranges = &tc->status.entries[line].ranges;
1.11 nicm 115: TAILQ_FOREACH(sr, ranges, entry) {
1.5 nicm 116: if (sr->type != STYLE_RANGE_WINDOW)
117: continue;
118: if (sr->argument == (u_int)wl->idx)
119: break;
120: }
121: if (sr != NULL)
1.21 nicm 122: break;
123: }
124: if (line == lines)
125: ranges = &tc->status.entries[0].ranges;
126:
127: if (sr != NULL) {
128: format_add(ft, "popup_window_status_line_x", "%u",
129: sr->start);
130: if (position == 0) {
131: format_add(ft, "popup_window_status_line_y",
132: "%u", line + 1 + h);
133: } else {
134: format_add(ft, "popup_window_status_line_y",
135: "%u", tty->sy - lines + line);
136: }
137: }
138:
139: if (position == 0)
140: format_add(ft, "popup_status_line_y", "%u", lines + h);
141: else {
142: format_add(ft, "popup_status_line_y", "%u",
143: tty->sy - lines);
1.5 nicm 144: }
145: } else
1.21 nicm 146: top = 0;
1.5 nicm 147:
1.21 nicm 148: /* Popup width and height. */
149: format_add(ft, "popup_width", "%u", w);
150: format_add(ft, "popup_height", "%u", h);
151:
152: /* Position so popup is in the centre. */
153: n = (long)(tty->sx - 1) / 2 - w / 2;
154: if (n < 0)
155: format_add(ft, "popup_centre_x", "%u", 0);
156: else
157: format_add(ft, "popup_centre_x", "%ld", n);
158: n = (tty->sy - 1) / 2 + h / 2;
1.22 nicm 159: if (n >= tty->sy)
1.21 nicm 160: format_add(ft, "popup_centre_y", "%u", tty->sy - h);
161: else
162: format_add(ft, "popup_centre_y", "%ld", n);
163:
164: /* Position of popup relative to mouse. */
165: if (event->m.valid) {
166: n = (long)event->m.x - w / 2;
167: if (n < 0)
168: format_add(ft, "popup_mouse_centre_x", "%u", 0);
169: else
170: format_add(ft, "popup_mouse_centre_x", "%ld", n);
171: n = event->m.y - h / 2;
172: if (n + h >= tty->sy) {
173: format_add(ft, "popup_mouse_centre_y", "%u",
174: tty->sy - h);
175: } else
176: format_add(ft, "popup_mouse_centre_y", "%ld", n);
177: n = (long)event->m.y + h;
178: if (n + h >= tty->sy)
179: format_add(ft, "popup_mouse_top", "%u", tty->sy - h);
180: else
181: format_add(ft, "popup_mouse_top", "%ld", n);
182: n = event->m.y - h;
183: if (n < 0)
184: format_add(ft, "popup_mouse_bottom", "%u", 0);
185: else
186: format_add(ft, "popup_mouse_bottom", "%ld", n);
187: }
188:
189: /* Position in pane. */
190: tty_window_offset(&tc->tty, &ox, &oy, &sx, &sy);
191: n = top + wp->yoff - oy + h;
192: if (n >= tty->sy)
193: format_add(ft, "popup_pane_top", "%u", tty->sy - h);
194: else
195: format_add(ft, "popup_pane_top", "%ld", n);
196: format_add(ft, "popup_pane_bottom", "%u", top + wp->yoff + wp->sy - oy);
197: format_add(ft, "popup_pane_left", "%u", wp->xoff - ox);
198: n = (long)wp->xoff + wp->sx - ox - w;
199: if (n < 0)
200: format_add(ft, "popup_pane_right", "%u", 0);
201: else
202: format_add(ft, "popup_pane_right", "%ld", n);
203:
204: /* Expand horizontal position. */
205: xp = args_get(args, 'x');
206: if (xp == NULL || strcmp(xp, "C") == 0)
207: xp = "#{popup_centre_x}";
208: else if (strcmp(xp, "R") == 0)
1.24 ! nicm 209: xp = "#{popup_pane_right}";
1.21 nicm 210: else if (strcmp(xp, "P") == 0)
211: xp = "#{popup_pane_left}";
212: else if (strcmp(xp, "M") == 0)
213: xp = "#{popup_mouse_centre_x}";
214: else if (strcmp(xp, "W") == 0)
215: xp = "#{popup_window_status_line_x}";
216: p = format_expand(ft, xp);
217: n = strtol(p, NULL, 10);
218: if (n + w >= tty->sx)
219: n = tty->sx - w;
220: else if (n < 0)
221: n = 0;
222: *px = n;
223: log_debug("%s: -x: %s = %s = %u", __func__, xp, p, *px);
224: free(p);
225:
226: /* Expand vertical position */
1.5 nicm 227: yp = args_get(args, 'y');
1.10 nicm 228: if (yp == NULL || strcmp(yp, "C") == 0)
1.21 nicm 229: yp = "#{popup_centre_y}";
230: else if (strcmp(yp, "P") == 0)
231: yp = "#{popup_pane_bottom}";
232: else if (strcmp(yp, "M") == 0)
233: yp = "#{popup_mouse_top}";
234: else if (strcmp(yp, "S") == 0)
235: yp = "#{popup_status_line_y}";
236: else if (strcmp(yp, "W") == 0)
237: yp = "#{popup_window_status_line_y}";
238: p = format_expand(ft, yp);
239: n = strtol(p, NULL, 10);
240: if (n < h)
241: n = 0;
1.5 nicm 242: else
1.21 nicm 243: n -= h;
244: if (n + h >= tty->sy)
245: n = tty->sy - h;
246: else if (n < 0)
247: n = 0;
248: *py = n;
249: log_debug("%s: -y: %s = %s = %u", __func__, yp, p, *py);
250: free(p);
251:
252: return (1);
1.5 nicm 253: }
254:
1.1 nicm 255: static enum cmd_retval
256: cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
257: {
1.13 nicm 258: struct args *args = cmd_get_args(self);
1.14 nicm 259: struct cmd_find_state *target = cmdq_get_target(item);
1.17 nicm 260: struct key_event *event = cmdq_get_event(item);
1.18 nicm 261: struct client *tc = cmdq_get_target_client(item);
1.1 nicm 262: struct menu *menu = NULL;
1.4 nicm 263: struct menu_item menu_item;
1.5 nicm 264: const char *key;
1.4 nicm 265: char *title, *name;
1.6 nicm 266: int flags = 0, i;
1.5 nicm 267: u_int px, py;
1.1 nicm 268:
1.18 nicm 269: if (tc->overlay_draw != NULL)
1.1 nicm 270: return (CMD_RETURN_NORMAL);
271:
272: if (args_has(args, 'T'))
1.18 nicm 273: title = format_single_from_target(item, args_get(args, 'T'));
1.1 nicm 274: else
275: title = xstrdup("");
1.4 nicm 276: menu = menu_create(title);
277:
278: for (i = 0; i != args->argc; /* nothing */) {
279: name = args->argv[i++];
280: if (*name == '\0') {
1.18 nicm 281: menu_add_item(menu, NULL, item, tc, target);
1.4 nicm 282: continue;
283: }
284:
285: if (args->argc - i < 2) {
286: cmdq_error(item, "not enough arguments");
287: free(title);
288: menu_free(menu);
289: return (CMD_RETURN_ERROR);
290: }
291: key = args->argv[i++];
292:
293: menu_item.name = name;
294: menu_item.key = key_string_lookup_string(key);
295: menu_item.command = args->argv[i++];
296:
1.18 nicm 297: menu_add_item(menu, &menu_item, item, tc, target);
1.4 nicm 298: }
1.1 nicm 299: free(title);
300: if (menu == NULL) {
1.4 nicm 301: cmdq_error(item, "invalid menu arguments");
1.1 nicm 302: return (CMD_RETURN_ERROR);
303: }
304: if (menu->count == 0) {
305: menu_free(menu);
306: return (CMD_RETURN_NORMAL);
307: }
1.21 nicm 308: if (!cmd_display_menu_get_position(tc, item, args, &px, &py,
309: menu->width + 4, menu->count + 2)) {
310: menu_free(menu);
311: return (CMD_RETURN_NORMAL);
312: }
1.1 nicm 313:
1.20 nicm 314: if (args_has(args, 'O'))
315: flags |= MENU_STAYOPEN;
1.17 nicm 316: if (!event->m.valid)
1.1 nicm 317: flags |= MENU_NOMOUSE;
1.18 nicm 318: if (menu_display(menu, flags, item, px, py, tc, target, NULL,
319: NULL) != 0)
1.7 nicm 320: return (CMD_RETURN_NORMAL);
321: return (CMD_RETURN_WAIT);
322: }
323:
324: static enum cmd_retval
325: cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
326: {
1.13 nicm 327: struct args *args = cmd_get_args(self);
1.14 nicm 328: struct cmd_find_state *target = cmdq_get_target(item);
1.23 nicm 329: struct session *s = target->s;
1.18 nicm 330: struct client *tc = cmdq_get_target_client(item);
331: struct tty *tty = &tc->tty;
1.23 nicm 332: const char *value, *shell[] = { NULL, NULL };
1.7 nicm 333: const char *shellcmd = NULL;
1.23 nicm 334: char *cwd, *cause, **argv = args->argv;
335: int flags = 0, argc = args->argc;
336: u_int px, py, w, h;
1.7 nicm 337:
338: if (args_has(args, 'C')) {
1.18 nicm 339: server_client_clear_overlay(tc);
1.7 nicm 340: return (CMD_RETURN_NORMAL);
341: }
1.18 nicm 342: if (tc->overlay_draw != NULL)
1.7 nicm 343: return (CMD_RETURN_NORMAL);
344:
1.23 nicm 345: h = tty->sy / 2;
1.7 nicm 346: if (args_has(args, 'h')) {
1.18 nicm 347: h = args_percentage(args, 'h', 1, tty->sy, tty->sy, &cause);
1.7 nicm 348: if (cause != NULL) {
349: cmdq_error(item, "height %s", cause);
350: free(cause);
351: return (CMD_RETURN_ERROR);
352: }
353: }
354:
1.23 nicm 355: w = tty->sx / 2;
1.7 nicm 356: if (args_has(args, 'w')) {
1.18 nicm 357: w = args_percentage(args, 'w', 1, tty->sx, tty->sx, &cause);
1.7 nicm 358: if (cause != NULL) {
359: cmdq_error(item, "width %s", cause);
360: free(cause);
361: return (CMD_RETURN_ERROR);
362: }
363: }
364:
1.18 nicm 365: if (w > tty->sx - 1)
366: w = tty->sx - 1;
367: if (h > tty->sy - 1)
368: h = tty->sy - 1;
1.21 nicm 369: if (!cmd_display_menu_get_position(tc, item, args, &px, &py, w, h))
370: return (CMD_RETURN_NORMAL);
1.7 nicm 371:
372: value = args_get(args, 'd');
373: if (value != NULL)
1.18 nicm 374: cwd = format_single_from_target(item, value);
1.7 nicm 375: else
1.23 nicm 376: cwd = xstrdup(server_client_get_cwd(tc, s));
377: if (argc == 0)
378: shellcmd = options_get_string(s->options, "default-command");
379: else if (argc == 1)
380: shellcmd = argv[0];
381: if (argc <= 1 && (shellcmd == NULL || *shellcmd == '\0')) {
382: shellcmd = NULL;
383: shell[0] = options_get_string(s->options, "default-shell");
384: if (!checkshell(shell[0]))
385: shell[0] = _PATH_BSHELL;
386: argc = 1;
387: argv = (char**)shell;
388: }
1.7 nicm 389:
1.9 nicm 390: if (args_has(args, 'E') > 1)
391: flags |= POPUP_CLOSEEXITZERO;
392: else if (args_has(args, 'E'))
1.7 nicm 393: flags |= POPUP_CLOSEEXIT;
1.23 nicm 394: if (popup_display(flags, item, px, py, w, h, shellcmd, argc, argv, cwd,
395: tc, s, NULL, NULL) != 0)
1.1 nicm 396: return (CMD_RETURN_NORMAL);
397: return (CMD_RETURN_WAIT);
398: }
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