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Annotation of embedaddon/tmux/cmd-list-windows.c, revision 1.1.1.1

1.1       misho       1: /* $OpenBSD$ */
                      2: 
                      3: /*
                      4:  * Copyright (c) 2007 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 <unistd.h>
                     23: 
                     24: #include "tmux.h"
                     25: 
                     26: /*
                     27:  * List windows on given session.
                     28:  */
                     29: 
                     30: #define LIST_WINDOWS_TEMPLATE                                  \
                     31:        "#{window_index}: #{window_name}#{window_flags} "       \
                     32:        "(#{window_panes} panes) "                              \
                     33:        "[#{window_width}x#{window_height}] "                   \
                     34:        "[layout #{window_layout}] #{window_id}"                \
                     35:        "#{?window_active, (active),}";
                     36: #define LIST_WINDOWS_WITH_SESSION_TEMPLATE                     \
                     37:        "#{session_name}:"                                      \
                     38:        "#{window_index}: #{window_name}#{window_flags} "       \
                     39:        "(#{window_panes} panes) "                              \
                     40:        "[#{window_width}x#{window_height}] "
                     41: 
                     42: static enum cmd_retval cmd_list_windows_exec(struct cmd *, struct cmdq_item *);
                     43: 
                     44: static void    cmd_list_windows_server(struct cmd *, struct cmdq_item *);
                     45: static void    cmd_list_windows_session(struct cmd *, struct session *,
                     46:                    struct cmdq_item *, int);
                     47: 
                     48: const struct cmd_entry cmd_list_windows_entry = {
                     49:        .name = "list-windows",
                     50:        .alias = "lsw",
                     51: 
                     52:        .args = { "F:at:", 0, 0 },
                     53:        .usage = "[-a] [-F format] " CMD_TARGET_SESSION_USAGE,
                     54: 
                     55:        .tflag = CMD_SESSION,
                     56: 
                     57:        .flags = CMD_AFTERHOOK,
                     58:        .exec = cmd_list_windows_exec
                     59: };
                     60: 
                     61: static enum cmd_retval
                     62: cmd_list_windows_exec(struct cmd *self, struct cmdq_item *item)
                     63: {
                     64:        struct args     *args = self->args;
                     65: 
                     66:        if (args_has(args, 'a'))
                     67:                cmd_list_windows_server(self, item);
                     68:        else
                     69:                cmd_list_windows_session(self, item->state.tflag.s, item, 0);
                     70: 
                     71:        return (CMD_RETURN_NORMAL);
                     72: }
                     73: 
                     74: static void
                     75: cmd_list_windows_server(struct cmd *self, struct cmdq_item *item)
                     76: {
                     77:        struct session  *s;
                     78: 
                     79:        RB_FOREACH(s, sessions, &sessions)
                     80:                cmd_list_windows_session(self, s, item, 1);
                     81: }
                     82: 
                     83: static void
                     84: cmd_list_windows_session(struct cmd *self, struct session *s,
                     85:     struct cmdq_item *item, int type)
                     86: {
                     87:        struct args             *args = self->args;
                     88:        struct winlink          *wl;
                     89:        u_int                   n;
                     90:        struct format_tree      *ft;
                     91:        const char              *template;
                     92:        char                    *line;
                     93: 
                     94:        template = args_get(args, 'F');
                     95:        if (template == NULL) {
                     96:                switch (type) {
                     97:                case 0:
                     98:                        template = LIST_WINDOWS_TEMPLATE;
                     99:                        break;
                    100:                case 1:
                    101:                        template = LIST_WINDOWS_WITH_SESSION_TEMPLATE;
                    102:                        break;
                    103:                }
                    104:        }
                    105: 
                    106:        n = 0;
                    107:        RB_FOREACH(wl, winlinks, &s->windows) {
                    108:                ft = format_create(item, FORMAT_NONE, 0);
                    109:                format_add(ft, "line", "%u", n);
                    110:                format_defaults(ft, NULL, s, wl, NULL);
                    111: 
                    112:                line = format_expand(ft, template);
                    113:                cmdq_print(item, "%s", line);
                    114:                free(line);
                    115: 
                    116:                format_free(ft);
                    117:                n++;
                    118:        }
                    119: }