Annotation of src/usr.bin/tmux/cmd-display-menu.c, Revision 1.22
1.22 ! nicm 1: /* $OpenBSD: cmd-display-menu.c,v 1.21 2020/11/03 08:09:35 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 *);
1.7 nicm 32: static enum cmd_retval cmd_display_popup_exec(struct cmd *,
33: struct cmdq_item *);
1.1 nicm 34:
35: const struct cmd_entry cmd_display_menu_entry = {
36: .name = "display-menu",
37: .alias = "menu",
38:
1.20 nicm 39: .args = { "c:t:OT:x:y:", 1, -1 },
40: .usage = "[-O] [-c target-client] " CMD_TARGET_PANE_USAGE " [-T title] "
1.4 nicm 41: "[-x position] [-y position] name key command ...",
1.1 nicm 42:
43: .target = { 't', CMD_FIND_PANE, 0 },
44:
1.18 nicm 45: .flags = CMD_AFTERHOOK|CMD_CLIENT_CFLAG,
1.1 nicm 46: .exec = cmd_display_menu_exec
47: };
48:
1.7 nicm 49: const struct cmd_entry cmd_display_popup_entry = {
50: .name = "display-popup",
51: .alias = "popup",
52:
53: .args = { "CEKc:d:h:R:t:w:x:y:", 0, -1 },
54: .usage = "[-CEK] [-c target-client] [-d start-directory] [-h height] "
55: "[-R shell-command] " CMD_TARGET_PANE_USAGE " [-w width] "
56: "[-x position] [-y position] [command line ...]",
57:
58: .target = { 't', CMD_FIND_PANE, 0 },
59:
1.18 nicm 60: .flags = CMD_AFTERHOOK|CMD_CLIENT_CFLAG,
1.7 nicm 61: .exec = cmd_display_popup_exec
62: };
63:
1.21 nicm 64: static int
1.18 nicm 65: cmd_display_menu_get_position(struct client *tc, struct cmdq_item *item,
1.5 nicm 66: struct args *args, u_int *px, u_int *py, u_int w, u_int h)
67: {
1.18 nicm 68: struct tty *tty = &tc->tty;
1.14 nicm 69: struct cmd_find_state *target = cmdq_get_target(item);
1.17 nicm 70: struct key_event *event = cmdq_get_event(item);
1.18 nicm 71: struct session *s = tc->session;
1.14 nicm 72: struct winlink *wl = target->wl;
73: struct window_pane *wp = target->wp;
1.21 nicm 74: struct style_ranges *ranges = NULL;
75: struct style_range *sr = NULL;
1.5 nicm 76: const char *xp, *yp;
1.21 nicm 77: char *p;
78: int top;
79: u_int line, ox, oy, sx, sy, lines, position;
80: long n;
81: struct format_tree *ft;
82:
83: /*
84: * Work out the position from the -x and -y arguments. This is the
85: * bottom-left position.
86: */
87:
88: /* If the popup is too big, stop now. */
89: if (w > tty->sx || h > tty->sy)
90: return (0);
91:
92: /* Create format with mouse position if any. */
93: ft = format_create_from_target(item);
94: if (event->m.valid) {
95: format_add(ft, "popup_mouse_x", "%u", event->m.x);
96: format_add(ft, "popup_mouse_y", "%u", event->m.y);
1.11 nicm 97: }
1.5 nicm 98:
1.21 nicm 99: /*
100: * If there are any status lines, add this window position and the
101: * status line position.
102: */
103: top = status_at_line(tc);
104: if (top != -1) {
105: lines = status_line_size(tc);
106: if (top == 0)
107: top = lines;
1.5 nicm 108: else
1.21 nicm 109: top = 0;
110: position = options_get_number(s->options, "status-position");
111:
112: for (line = 0; line < lines; line++) {
113: ranges = &tc->status.entries[line].ranges;
1.11 nicm 114: TAILQ_FOREACH(sr, ranges, entry) {
1.5 nicm 115: if (sr->type != STYLE_RANGE_WINDOW)
116: continue;
117: if (sr->argument == (u_int)wl->idx)
118: break;
119: }
120: if (sr != NULL)
1.21 nicm 121: break;
122: }
123: if (line == lines)
124: ranges = &tc->status.entries[0].ranges;
125:
126: if (sr != NULL) {
127: format_add(ft, "popup_window_status_line_x", "%u",
128: sr->start);
129: if (position == 0) {
130: format_add(ft, "popup_window_status_line_y",
131: "%u", line + 1 + h);
132: } else {
133: format_add(ft, "popup_window_status_line_y",
134: "%u", tty->sy - lines + line);
135: }
136: }
137:
138: if (position == 0)
139: format_add(ft, "popup_status_line_y", "%u", lines + h);
140: else {
141: format_add(ft, "popup_status_line_y", "%u",
142: tty->sy - lines);
1.5 nicm 143: }
144: } else
1.21 nicm 145: top = 0;
1.5 nicm 146:
1.21 nicm 147: /* Popup width and height. */
148: format_add(ft, "popup_width", "%u", w);
149: format_add(ft, "popup_height", "%u", h);
150:
151: /* Position so popup is in the centre. */
152: n = (long)(tty->sx - 1) / 2 - w / 2;
153: if (n < 0)
154: format_add(ft, "popup_centre_x", "%u", 0);
155: else
156: format_add(ft, "popup_centre_x", "%ld", n);
157: n = (tty->sy - 1) / 2 + h / 2;
1.22 ! nicm 158: if (n >= tty->sy)
1.21 nicm 159: format_add(ft, "popup_centre_y", "%u", tty->sy - h);
160: else
161: format_add(ft, "popup_centre_y", "%ld", n);
162:
163: /* Position of popup relative to mouse. */
164: if (event->m.valid) {
165: n = (long)event->m.x - w / 2;
166: if (n < 0)
167: format_add(ft, "popup_mouse_centre_x", "%u", 0);
168: else
169: format_add(ft, "popup_mouse_centre_x", "%ld", n);
170: n = event->m.y - h / 2;
171: if (n + h >= tty->sy) {
172: format_add(ft, "popup_mouse_centre_y", "%u",
173: tty->sy - h);
174: } else
175: format_add(ft, "popup_mouse_centre_y", "%ld", n);
176: n = (long)event->m.y + h;
177: if (n + h >= tty->sy)
178: format_add(ft, "popup_mouse_top", "%u", tty->sy - h);
179: else
180: format_add(ft, "popup_mouse_top", "%ld", n);
181: n = event->m.y - h;
182: if (n < 0)
183: format_add(ft, "popup_mouse_bottom", "%u", 0);
184: else
185: format_add(ft, "popup_mouse_bottom", "%ld", n);
186: }
187:
188: /* Position in pane. */
189: tty_window_offset(&tc->tty, &ox, &oy, &sx, &sy);
190: n = top + wp->yoff - oy + h;
191: if (n >= tty->sy)
192: format_add(ft, "popup_pane_top", "%u", tty->sy - h);
193: else
194: format_add(ft, "popup_pane_top", "%ld", n);
195: format_add(ft, "popup_pane_bottom", "%u", top + wp->yoff + wp->sy - oy);
196: format_add(ft, "popup_pane_left", "%u", wp->xoff - ox);
197: n = (long)wp->xoff + wp->sx - ox - w;
198: if (n < 0)
199: format_add(ft, "popup_pane_right", "%u", 0);
200: else
201: format_add(ft, "popup_pane_right", "%ld", n);
202:
203: /* Expand horizontal position. */
204: xp = args_get(args, 'x');
205: if (xp == NULL || strcmp(xp, "C") == 0)
206: xp = "#{popup_centre_x}";
207: else if (strcmp(xp, "R") == 0)
208: xp = "#{popup_right}";
209: else if (strcmp(xp, "P") == 0)
210: xp = "#{popup_pane_left}";
211: else if (strcmp(xp, "M") == 0)
212: xp = "#{popup_mouse_centre_x}";
213: else if (strcmp(xp, "W") == 0)
214: xp = "#{popup_window_status_line_x}";
215: p = format_expand(ft, xp);
216: n = strtol(p, NULL, 10);
217: if (n + w >= tty->sx)
218: n = tty->sx - w;
219: else if (n < 0)
220: n = 0;
221: *px = n;
222: log_debug("%s: -x: %s = %s = %u", __func__, xp, p, *px);
223: free(p);
224:
225: /* Expand vertical position */
1.5 nicm 226: yp = args_get(args, 'y');
1.10 nicm 227: if (yp == NULL || strcmp(yp, "C") == 0)
1.21 nicm 228: yp = "#{popup_centre_y}";
229: else if (strcmp(yp, "P") == 0)
230: yp = "#{popup_pane_bottom}";
231: else if (strcmp(yp, "M") == 0)
232: yp = "#{popup_mouse_top}";
233: else if (strcmp(yp, "S") == 0)
234: yp = "#{popup_status_line_y}";
235: else if (strcmp(yp, "W") == 0)
236: yp = "#{popup_window_status_line_y}";
237: p = format_expand(ft, yp);
238: n = strtol(p, NULL, 10);
239: if (n < h)
240: n = 0;
1.5 nicm 241: else
1.21 nicm 242: n -= h;
243: if (n + h >= tty->sy)
244: n = tty->sy - h;
245: else if (n < 0)
246: n = 0;
247: *py = n;
248: log_debug("%s: -y: %s = %s = %u", __func__, yp, p, *py);
249: free(p);
250:
251: return (1);
1.5 nicm 252: }
253:
1.1 nicm 254: static enum cmd_retval
255: cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
256: {
1.13 nicm 257: struct args *args = cmd_get_args(self);
1.14 nicm 258: struct cmd_find_state *target = cmdq_get_target(item);
1.17 nicm 259: struct key_event *event = cmdq_get_event(item);
1.18 nicm 260: struct client *tc = cmdq_get_target_client(item);
1.1 nicm 261: struct menu *menu = NULL;
1.4 nicm 262: struct menu_item menu_item;
1.5 nicm 263: const char *key;
1.4 nicm 264: char *title, *name;
1.6 nicm 265: int flags = 0, i;
1.5 nicm 266: u_int px, py;
1.1 nicm 267:
1.18 nicm 268: if (tc->overlay_draw != NULL)
1.1 nicm 269: return (CMD_RETURN_NORMAL);
270:
271: if (args_has(args, 'T'))
1.18 nicm 272: title = format_single_from_target(item, args_get(args, 'T'));
1.1 nicm 273: else
274: title = xstrdup("");
1.4 nicm 275: menu = menu_create(title);
276:
277: for (i = 0; i != args->argc; /* nothing */) {
278: name = args->argv[i++];
279: if (*name == '\0') {
1.18 nicm 280: menu_add_item(menu, NULL, item, tc, target);
1.4 nicm 281: continue;
282: }
283:
284: if (args->argc - i < 2) {
285: cmdq_error(item, "not enough arguments");
286: free(title);
287: menu_free(menu);
288: return (CMD_RETURN_ERROR);
289: }
290: key = args->argv[i++];
291:
292: menu_item.name = name;
293: menu_item.key = key_string_lookup_string(key);
294: menu_item.command = args->argv[i++];
295:
1.18 nicm 296: menu_add_item(menu, &menu_item, item, tc, target);
1.4 nicm 297: }
1.1 nicm 298: free(title);
299: if (menu == NULL) {
1.4 nicm 300: cmdq_error(item, "invalid menu arguments");
1.1 nicm 301: return (CMD_RETURN_ERROR);
302: }
303: if (menu->count == 0) {
304: menu_free(menu);
305: return (CMD_RETURN_NORMAL);
306: }
1.21 nicm 307: if (!cmd_display_menu_get_position(tc, item, args, &px, &py,
308: menu->width + 4, menu->count + 2)) {
309: menu_free(menu);
310: return (CMD_RETURN_NORMAL);
311: }
1.1 nicm 312:
1.20 nicm 313: if (args_has(args, 'O'))
314: flags |= MENU_STAYOPEN;
1.17 nicm 315: if (!event->m.valid)
1.1 nicm 316: flags |= MENU_NOMOUSE;
1.18 nicm 317: if (menu_display(menu, flags, item, px, py, tc, target, NULL,
318: NULL) != 0)
1.7 nicm 319: return (CMD_RETURN_NORMAL);
320: return (CMD_RETURN_WAIT);
321: }
322:
323: static enum cmd_retval
324: cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
325: {
1.13 nicm 326: struct args *args = cmd_get_args(self);
1.14 nicm 327: struct cmd_find_state *target = cmdq_get_target(item);
1.18 nicm 328: struct client *tc = cmdq_get_target_client(item);
329: struct tty *tty = &tc->tty;
1.7 nicm 330: const char *value, *cmd = NULL, **lines = NULL;
331: const char *shellcmd = NULL;
332: char *cwd, *cause;
333: int flags = 0;
334: u_int px, py, w, h, nlines = 0;
335:
336: if (args_has(args, 'C')) {
1.18 nicm 337: server_client_clear_overlay(tc);
1.7 nicm 338: return (CMD_RETURN_NORMAL);
339: }
1.18 nicm 340: if (tc->overlay_draw != NULL)
1.7 nicm 341: return (CMD_RETURN_NORMAL);
342:
343: if (args->argc >= 1)
344: cmd = args->argv[0];
345: if (args->argc >= 2) {
346: lines = (const char **)args->argv + 1;
347: nlines = args->argc - 1;
348: }
349:
350: if (nlines != 0)
1.8 nicm 351: h = popup_height(nlines, lines) + 2;
1.7 nicm 352: else
1.18 nicm 353: h = tty->sy / 2;
1.7 nicm 354: if (args_has(args, 'h')) {
1.18 nicm 355: h = args_percentage(args, 'h', 1, tty->sy, tty->sy, &cause);
1.7 nicm 356: if (cause != NULL) {
357: cmdq_error(item, "height %s", cause);
358: free(cause);
359: return (CMD_RETURN_ERROR);
360: }
361: }
362:
363: if (nlines != 0)
1.18 nicm 364: w = popup_width(item, nlines, lines, tc, target) + 2;
1.7 nicm 365: else
1.18 nicm 366: w = tty->sx / 2;
1.7 nicm 367: if (args_has(args, 'w')) {
1.18 nicm 368: w = args_percentage(args, 'w', 1, tty->sx, tty->sx, &cause);
1.7 nicm 369: if (cause != NULL) {
370: cmdq_error(item, "width %s", cause);
371: free(cause);
372: return (CMD_RETURN_ERROR);
373: }
374: }
375:
1.18 nicm 376: if (w > tty->sx - 1)
377: w = tty->sx - 1;
378: if (h > tty->sy - 1)
379: h = tty->sy - 1;
1.21 nicm 380: if (!cmd_display_menu_get_position(tc, item, args, &px, &py, w, h))
381: return (CMD_RETURN_NORMAL);
1.7 nicm 382:
383: value = args_get(args, 'd');
384: if (value != NULL)
1.18 nicm 385: cwd = format_single_from_target(item, value);
1.7 nicm 386: else
1.18 nicm 387: cwd = xstrdup(server_client_get_cwd(tc, target->s));
1.7 nicm 388:
389: value = args_get(args, 'R');
390: if (value != NULL)
1.18 nicm 391: shellcmd = format_single_from_target(item, value);
1.7 nicm 392:
393: if (args_has(args, 'K'))
394: flags |= POPUP_WRITEKEYS;
1.9 nicm 395: if (args_has(args, 'E') > 1)
396: flags |= POPUP_CLOSEEXITZERO;
397: else if (args_has(args, 'E'))
1.7 nicm 398: flags |= POPUP_CLOSEEXIT;
399: if (popup_display(flags, item, px, py, w, h, nlines, lines, shellcmd,
1.19 nicm 400: cmd, cwd, tc, target, NULL, NULL) != 0)
1.1 nicm 401: return (CMD_RETURN_NORMAL);
402: return (CMD_RETURN_WAIT);
403: }
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