Annotation of src/usr.bin/tmux/cmd-display-menu.c, Revision 1.9
1.9 ! nicm 1: /* $OpenBSD: cmd-display-menu.c,v 1.8 2020/03/28 09:39:44 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:
1.4 nicm 39: .args = { "c:t:T:x:y:", 1, -1 },
40: .usage = "[-c target-client] " CMD_TARGET_PANE_USAGE " [-T title] "
41: "[-x position] [-y position] name key command ...",
1.1 nicm 42:
43: .target = { 't', CMD_FIND_PANE, 0 },
44:
45: .flags = CMD_AFTERHOOK,
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:
60: .flags = CMD_AFTERHOOK,
61: .exec = cmd_display_popup_exec
62: };
63:
1.5 nicm 64: static void
65: cmd_display_menu_get_position(struct client *c, struct cmdq_item *item,
66: struct args *args, u_int *px, u_int *py, u_int w, u_int h)
67: {
68: struct winlink *wl = item->target.wl;
69: struct window_pane *wp = item->target.wp;
70: struct style_range *sr;
71: const char *xp, *yp;
72: int at = status_at_line(c);
73: u_int ox, oy, sx, sy;
74:
75: xp = args_get(args, 'x');
76: if (xp == NULL)
77: *px = 0;
78: else if (strcmp(xp, "R") == 0)
79: *px = c->tty.sx - 1;
1.6 nicm 80: else if (strcmp(xp, "C") == 0)
81: *px = (c->tty.sx - 1) / 2 - w / 2;
1.5 nicm 82: else if (strcmp(xp, "P") == 0) {
83: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
84: if (wp->xoff >= ox)
85: *px = wp->xoff - ox;
86: else
87: *px = 0;
88: } else if (strcmp(xp, "M") == 0 && item->shared->mouse.valid) {
89: if (item->shared->mouse.x > w / 2)
90: *px = item->shared->mouse.x - w / 2;
91: else
92: *px = 0;
93: } else if (strcmp(xp, "W") == 0) {
94: if (at == -1)
95: *px = 0;
96: else {
97: TAILQ_FOREACH(sr, &c->status.entries[0].ranges, entry) {
98: if (sr->type != STYLE_RANGE_WINDOW)
99: continue;
100: if (sr->argument == (u_int)wl->idx)
101: break;
102: }
103: if (sr != NULL)
104: *px = sr->start;
105: else
106: *px = 0;
107: }
108: } else
109: *px = strtoul(xp, NULL, 10);
110: if ((*px) + w >= c->tty.sx)
111: *px = c->tty.sx - w;
112:
113: yp = args_get(args, 'y');
114: if (yp == NULL)
115: *py = 0;
1.6 nicm 116: else if (strcmp(yp, "C") == 0)
117: *py = (c->tty.sy - 1) / 2 + h / 2;
1.5 nicm 118: else if (strcmp(yp, "P") == 0) {
119: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
120: if (wp->yoff + wp->sy >= oy)
121: *py = wp->yoff + wp->sy - oy;
122: else
123: *py = 0;
124: } else if (strcmp(yp, "M") == 0 && item->shared->mouse.valid)
125: *py = item->shared->mouse.y + h;
126: else if (strcmp(yp, "S") == 0) {
127: if (at == -1)
128: *py = c->tty.sy;
129: else if (at == 0)
130: *py = status_line_size(c) + h;
131: else
132: *py = at;
133: } else
134: *py = strtoul(yp, NULL, 10);
135: if (*py < h)
136: *py = 0;
137: else
138: *py -= h;
139: if ((*py) + h >= c->tty.sy)
140: *py = c->tty.sy - h;
141: }
142:
1.1 nicm 143: static enum cmd_retval
144: cmd_display_menu_exec(struct cmd *self, struct cmdq_item *item)
145: {
146: struct args *args = self->args;
147: struct client *c;
148: struct session *s = item->target.s;
149: struct winlink *wl = item->target.wl;
150: struct window_pane *wp = item->target.wp;
151: struct cmd_find_state *fs = &item->target;
152: struct menu *menu = NULL;
1.4 nicm 153: struct menu_item menu_item;
1.5 nicm 154: const char *key;
1.4 nicm 155: char *title, *name;
1.6 nicm 156: int flags = 0, i;
1.5 nicm 157: u_int px, py;
1.1 nicm 158:
159: if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL)
160: return (CMD_RETURN_ERROR);
161: if (c->overlay_draw != NULL)
162: return (CMD_RETURN_NORMAL);
163:
164: if (args_has(args, 'T'))
165: title = format_single(NULL, args_get(args, 'T'), c, s, wl, wp);
166: else
167: title = xstrdup("");
1.4 nicm 168:
169: menu = menu_create(title);
170:
171: for (i = 0; i != args->argc; /* nothing */) {
172: name = args->argv[i++];
173: if (*name == '\0') {
174: menu_add_item(menu, NULL, item, c, fs);
175: continue;
176: }
177:
178: if (args->argc - i < 2) {
179: cmdq_error(item, "not enough arguments");
180: free(title);
181: menu_free(menu);
182: return (CMD_RETURN_ERROR);
183: }
184: key = args->argv[i++];
185:
186: menu_item.name = name;
187: menu_item.key = key_string_lookup_string(key);
188: menu_item.command = args->argv[i++];
189:
190: menu_add_item(menu, &menu_item, item, c, fs);
191: }
1.1 nicm 192: free(title);
193: if (menu == NULL) {
1.4 nicm 194: cmdq_error(item, "invalid menu arguments");
1.1 nicm 195: return (CMD_RETURN_ERROR);
196: }
197: if (menu->count == 0) {
198: menu_free(menu);
199: return (CMD_RETURN_NORMAL);
200: }
1.5 nicm 201: cmd_display_menu_get_position(c, item, args, &px, &py, menu->width + 4,
202: menu->count + 2);
1.1 nicm 203:
204: if (!item->shared->mouse.valid)
205: flags |= MENU_NOMOUSE;
206: if (menu_display(menu, flags, item, px, py, c, fs, NULL, NULL) != 0)
1.7 nicm 207: return (CMD_RETURN_NORMAL);
208: return (CMD_RETURN_WAIT);
209: }
210:
211: static enum cmd_retval
212: cmd_display_popup_exec(struct cmd *self, struct cmdq_item *item)
213: {
214: struct args *args = self->args;
215: struct client *c;
216: struct cmd_find_state *fs = &item->target;
217: const char *value, *cmd = NULL, **lines = NULL;
218: const char *shellcmd = NULL;
219: char *cwd, *cause;
220: int flags = 0;
221: u_int px, py, w, h, nlines = 0;
222:
223: if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL)
224: return (CMD_RETURN_ERROR);
225: if (args_has(args, 'C')) {
226: server_client_clear_overlay(c);
227: return (CMD_RETURN_NORMAL);
228: }
229: if (c->overlay_draw != NULL)
230: return (CMD_RETURN_NORMAL);
231:
232: if (args->argc >= 1)
233: cmd = args->argv[0];
234: if (args->argc >= 2) {
235: lines = (const char **)args->argv + 1;
236: nlines = args->argc - 1;
237: }
238:
239: if (nlines != 0)
1.8 nicm 240: h = popup_height(nlines, lines) + 2;
1.7 nicm 241: else
242: h = c->tty.sy / 2;
243: if (args_has(args, 'h')) {
244: h = args_percentage(args, 'h', 1, c->tty.sy, c->tty.sy, &cause);
245: if (cause != NULL) {
246: cmdq_error(item, "height %s", cause);
247: free(cause);
248: return (CMD_RETURN_ERROR);
249: }
250: }
251:
252: if (nlines != 0)
253: w = popup_width(item, nlines, lines, c, fs) + 2;
254: else
255: w = c->tty.sx / 2;
256: if (args_has(args, 'w')) {
257: w = args_percentage(args, 'w', 1, c->tty.sx, c->tty.sx, &cause);
258: if (cause != NULL) {
259: cmdq_error(item, "width %s", cause);
260: free(cause);
261: return (CMD_RETURN_ERROR);
262: }
263: }
264:
1.8 nicm 265: if (w > c->tty.sx - 1)
266: w = c->tty.sx - 1;
267: if (h > c->tty.sy - 1)
268: h = c->tty.sy - 1;
1.7 nicm 269: cmd_display_menu_get_position(c, item, args, &px, &py, w, h);
270:
271: value = args_get(args, 'd');
272: if (value != NULL)
273: cwd = format_single(NULL, value, c, fs->s, fs->wl, fs->wp);
274: else
275: cwd = xstrdup(server_client_get_cwd(c, fs->s));
276:
277: value = args_get(args, 'R');
278: if (value != NULL)
279: shellcmd = format_single(NULL, value, c, fs->s, fs->wl, fs->wp);
280:
281: if (args_has(args, 'K'))
282: flags |= POPUP_WRITEKEYS;
1.9 ! nicm 283: if (args_has(args, 'E') > 1)
! 284: flags |= POPUP_CLOSEEXITZERO;
! 285: else if (args_has(args, 'E'))
1.7 nicm 286: flags |= POPUP_CLOSEEXIT;
287: if (popup_display(flags, item, px, py, w, h, nlines, lines, shellcmd,
288: cmd, cwd, c, fs) != 0)
1.1 nicm 289: return (CMD_RETURN_NORMAL);
290: return (CMD_RETURN_WAIT);
291: }
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