cmd-join-pane.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2009 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 <paths.h>
  22 #include <stdlib.h>
  23 #include <unistd.h>
  24
  25 #include "tmux.h"
  26
  27 /*
  28  * Join a pane into another (like split/swap/kill).
  29  */
  30
  31 void    cmd_join_pane_key_binding(struct cmd *, int);
  32 int     cmd_join_pane_exec(struct cmd *, struct cmd_ctx *);
  33
  34 const struct cmd_entry cmd_join_pane_entry = {
  35         "join-pane", "joinp",
  36         "dhvp:l:s:t:", 0, 0,
  37         "[-dhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
  38         0,
  39         cmd_join_pane_key_binding,
  40         NULL,
  41         cmd_join_pane_exec
  42 };
  43
  44 void
  45 cmd_join_pane_key_binding(struct cmd *self, int key)
  46 {
  47         switch (key) {
  48         case '%':
  49                 self->args = args_create(0);
  50                 args_set(self->args, 'h', NULL);
  51                 break;
  52         default:
  53                 self->args = args_create(0);
  54                 break;
  55         }
  56 }
  57
  58 int
  59 cmd_join_pane_exec(struct cmd *self, struct cmd_ctx *ctx)
  60 {
  61         struct args             *args = self->args;
  62         struct session          *dst_s;
  63         struct winlink          *src_wl, *dst_wl;
  64         struct window           *src_w, *dst_w;
  65         struct window_pane      *src_wp, *dst_wp;
  66         char                    *cause;
  67         int                      size, percentage, dst_idx;
  68         enum layout_type         type;
  69         struct layout_cell      *lc;
  70
  71         dst_wl = cmd_find_pane(ctx, args_get(args, 't'), &dst_s, &dst_wp);
  72         if (dst_wl == NULL)
  73                 return (-1);
  74         dst_w = dst_wl->window;
  75         dst_idx = dst_wl->idx;
  76
  77         src_wl = cmd_find_pane(ctx, args_get(args, 's'), NULL, &src_wp);
  78         if (src_wl == NULL)
  79                 return (-1);
  80         src_w = src_wl->window;
  81
  82         if (src_w == dst_w) {
  83                 ctx->error(ctx, "can't join a pane to its own window");
  84                 return (-1);
  85         }
  86
  87         type = LAYOUT_TOPBOTTOM;
  88         if (args_has(args, 'h'))
  89                 type = LAYOUT_LEFTRIGHT;
  90
  91         size = -1;
  92         if (args_has(args, 'l')) {
  93                 size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
  94                 if (cause != NULL) {
  95                         ctx->error(ctx, "size %s", cause);
  96                         xfree(cause);
  97                         return (-1);
  98                 }
  99         } else if (args_has(args, 'p')) {
 100                 percentage = args_strtonum(args, 'p', 0, 100, &cause);
 101                 if (cause != NULL) {
 102                         ctx->error(ctx, "percentage %s", cause);
 103                         xfree(cause);
 104                         return (-1);
 105                 }
 106                 if (type == LAYOUT_TOPBOTTOM)
 107                         size = (dst_wp->sy * percentage) / 100;
 108                 else
 109                         size = (dst_wp->sx * percentage) / 100;
 110         }
 111
 112         if ((lc = layout_split_pane(dst_wp, type, size)) == NULL) {
 113                 ctx->error(ctx, "create pane failed: pane too small");
 114                 return (-1);
 115         }
 116
 117         layout_close_pane(src_wp);
 118
 119         if (src_w->active == src_wp) {
 120                 src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
 121                 if (src_w->active == NULL)
 122                         src_w->active = TAILQ_NEXT(src_wp, entry);
 123         }
 124         TAILQ_REMOVE(&src_w->panes, src_wp, entry);
 125
 126         if (window_count_panes(src_w) == 0)
 127                 server_kill_window(src_w);
 128
 129         src_wp->window = dst_w;
 130         TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
 131         layout_assign_pane(lc, src_wp);
 132
 133         recalculate_sizes();
 134
 135         server_redraw_window(src_w);
 136         server_redraw_window(dst_w);
 137
 138         if (!args_has(args, 'd')) {
 139                 window_set_active_pane(dst_w, src_wp);
 140                 session_select(dst_s, dst_idx);
 141                 server_redraw_session(dst_s);
 142         } else
 143                 server_status_session(dst_s);
 144
 145         return (0);
 146 }