cmd-move-window.c

   1 /* $Id: cmd-move-window.c,v 1.5 2009-01-23 16:59:14 nicm Exp $ */
   2
   3 /*
   4  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
   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
  23 #include "tmux.h"
  24
  25 /*
  26  * Move a window.
  27  */
  28
  29 int     cmd_move_window_exec(struct cmd *, struct cmd_ctx *);
  30
  31 const struct cmd_entry cmd_move_window_entry = {
  32         "move-window", "movew",
  33         "[-dk] " CMD_SRCDST_WINDOW_USAGE,
  34         CMD_DFLAG|CMD_KFLAG,
  35         cmd_srcdst_init,
  36         cmd_srcdst_parse,
  37         cmd_move_window_exec,
  38         cmd_srcdst_send,
  39         cmd_srcdst_recv,
  40         cmd_srcdst_free,
  41         cmd_srcdst_print
  42 };
  43
  44 int
  45 cmd_move_window_exec(struct cmd *self, struct cmd_ctx *ctx)
  46 {
  47         struct cmd_srcdst_data  *data = self->data;
  48         struct session          *src, *dst;
  49         struct winlink          *wl_src, *wl_dst;
  50         struct client           *c;
  51         u_int                    i;
  52         int                      destroyed, idx;
  53         char                    *cause;
  54
  55         if ((wl_src = cmd_find_window(ctx, data->src, &src)) == NULL)
  56                 return (-1);
  57
  58         if (arg_parse_window(data->dst, &dst, &idx) != 0) {
  59                 ctx->error(ctx, "bad window: %s", data->dst);
  60                 return (-1);
  61         }
  62         if (dst == NULL)
  63                 dst = ctx->cursession;
  64         if (dst == NULL)
  65                 dst = cmd_current_session(ctx);
  66         if (dst == NULL) {
  67                 ctx->error(ctx, "session not found: %s", data->dst);
  68                 return (-1);
  69         }
  70
  71         wl_dst = NULL;
  72         if (idx != -1)
  73                 wl_dst = winlink_find_by_index(&dst->windows, idx);
  74         if (wl_dst != NULL) {
  75                 if (wl_dst->window == wl_src->window)
  76                         return (0);
  77
  78                 if (data->flags & CMD_KFLAG) {
  79                         /*
  80                          * Can't use session_detach as it will destroy session
  81                          * if this makes it empty.
  82                          */
  83                         session_alert_cancel(dst, wl_dst);
  84                         winlink_stack_remove(&dst->lastw, wl_dst);
  85                         winlink_remove(&dst->windows, wl_dst);
  86
  87                         /* Force select/redraw if current. */
  88                         if (wl_dst == dst->curw) {
  89                                 data->flags &= ~CMD_DFLAG;
  90                                 dst->curw = NULL;
  91                         }
  92                 }
  93         }
  94
  95         wl_dst = session_attach(dst, wl_src->window, idx, &cause);
  96         if (wl_dst == NULL) {
  97                 ctx->error(ctx, "attach window failed: %s", cause);
  98                 xfree(cause);
  99                 return (-1);
 100         }
 101
 102         destroyed = session_detach(src, wl_src);
 103         for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 104                 c = ARRAY_ITEM(&clients, i);
 105                 if (c == NULL || c->session != src)
 106                         continue;
 107                 if (destroyed) {
 108                         c->session = NULL;
 109                         server_write_client(c, MSG_EXIT, NULL, 0);
 110                 } else
 111                         server_redraw_client(c);
 112         }
 113
 114         if (data->flags & CMD_DFLAG)
 115                 server_status_session(dst);
 116         else {
 117                 session_select(dst, wl_dst->idx);
 118                 server_redraw_session(dst);
 119         }
 120         recalculate_sizes();
 121
 122         return (0);
 123 }