cmd-join-pane.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
   5  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  16  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  17  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #include <sys/types.h>
  21
  22 #include <paths.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <unistd.h>
  26
  27 #include "tmux.h"
  28
  29 /*
  30  * Join or move a pane into another (like split/swap/kill).
  31  */
  32
  33 static enum cmd_retval  cmd_join_pane_exec(struct cmd *, struct cmdq_item *);
  34
  35 const struct cmd_entry cmd_join_pane_entry = {
  36         .name = "join-pane",
  37         .alias = "joinp",
  38
  39         .args = { "bdfhvp:l:s:t:", 0, 0, NULL },
  40         .usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
  41
  42         .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
  43         .target = { 't', CMD_FIND_PANE, 0 },
  44
  45         .flags = 0,
  46         .exec = cmd_join_pane_exec
  47 };
  48
  49 const struct cmd_entry cmd_move_pane_entry = {
  50         .name = "move-pane",
  51         .alias = "movep",
  52
  53         .args = { "bdfhvp:l:s:t:", 0, 0, NULL },
  54         .usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
  55
  56         .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
  57         .target = { 't', CMD_FIND_PANE, 0 },
  58
  59         .flags = 0,
  60         .exec = cmd_join_pane_exec
  61 };
  62
  63 static enum cmd_retval
  64 cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
  65 {
  66         struct args             *args = cmd_get_args(self);
  67         struct cmd_find_state   *current = cmdq_get_current(item);
  68         struct cmd_find_state   *target = cmdq_get_target(item);
  69         struct cmd_find_state   *source = cmdq_get_source(item);
  70         struct session          *dst_s;
  71         struct winlink          *src_wl, *dst_wl;
  72         struct window           *src_w, *dst_w;
  73         struct window_pane      *src_wp, *dst_wp;
  74         char                    *cause = NULL;
  75         int                      size, dst_idx;
  76         int                      flags;
  77         enum layout_type         type;
  78         struct layout_cell      *lc;
  79         u_int                    curval = 0;
  80
  81         dst_s = target->s;
  82         dst_wl = target->wl;
  83         dst_wp = target->wp;
  84         dst_w = dst_wl->window;
  85         dst_idx = dst_wl->idx;
  86         server_unzoom_window(dst_w);
  87
  88         src_wl = source->wl;
  89         src_wp = source->wp;
  90         src_w = src_wl->window;
  91         server_unzoom_window(src_w);
  92
  93         if (src_wp == dst_wp) {
  94                 cmdq_error(item, "source and target panes must be different");
  95                 return (CMD_RETURN_ERROR);
  96         }
  97
  98         type = LAYOUT_TOPBOTTOM;
  99         if (args_has(args, 'h'))
 100                 type = LAYOUT_LEFTRIGHT;
 101
 102         /* If the 'p' flag is dropped then this bit can be moved into 'l'. */
 103         if (args_has(args, 'l') || args_has(args, 'p')) {
 104                 if (args_has(args, 'f')) {
 105                         if (type == LAYOUT_TOPBOTTOM)
 106                                 curval = dst_w->sy;
 107                         else
 108                                 curval = dst_w->sx;
 109                 } else {
 110                         if (type == LAYOUT_TOPBOTTOM)
 111                                 curval = dst_wp->sy;
 112                         else
 113                                 curval = dst_wp->sx;
 114                 }
 115         }
 116
 117         size = -1;
 118         if (args_has(args, 'l')) {
 119                 size = args_percentage_and_expand(args, 'l', 0, INT_MAX, curval,
 120                            item, &cause);
 121         } else if (args_has(args, 'p')) {
 122                 size = args_strtonum_and_expand(args, 'l', 0, 100, item,
 123                            &cause);
 124                 if (cause == NULL)
 125                         size = curval * size / 100;
 126         }
 127         if (cause != NULL) {
 128                 cmdq_error(item, "size %s", cause);
 129                 free(cause);
 130                 return (CMD_RETURN_ERROR);
 131         }
 132
 133         flags = 0;
 134         if (args_has(args, 'b'))
 135                 flags |= SPAWN_BEFORE;
 136         if (args_has(args, 'f'))
 137                 flags |= SPAWN_FULLSIZE;
 138
 139         lc = layout_split_pane(dst_wp, type, size, flags);
 140         if (lc == NULL) {
 141                 cmdq_error(item, "create pane failed: pane too small");
 142                 return (CMD_RETURN_ERROR);
 143         }
 144
 145         layout_close_pane(src_wp);
 146
 147         server_client_remove_pane(src_wp);
 148         window_lost_pane(src_w, src_wp);
 149         TAILQ_REMOVE(&src_w->panes, src_wp, entry);
 150
 151         src_wp->window = dst_w;
 152         options_set_parent(src_wp->options, dst_w->options);
 153         src_wp->flags |= PANE_STYLECHANGED;
 154         if (flags & SPAWN_BEFORE)
 155                 TAILQ_INSERT_BEFORE(dst_wp, src_wp, entry);
 156         else
 157                 TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
 158         layout_assign_pane(lc, src_wp, 0);
 159
 160         recalculate_sizes();
 161
 162         server_redraw_window(src_w);
 163         server_redraw_window(dst_w);
 164
 165         if (!args_has(args, 'd')) {
 166                 window_set_active_pane(dst_w, src_wp, 1);
 167                 session_select(dst_s, dst_idx);
 168                 cmd_find_from_session(current, dst_s, 0);
 169                 server_redraw_session(dst_s);
 170         } else
 171                 server_status_session(dst_s);
 172
 173         if (window_count_panes(src_w) == 0)
 174                 server_kill_window(src_w, 1);
 175         else
 176                 notify_window("window-layout-changed", src_w);
 177         notify_window("window-layout-changed", dst_w);
 178
 179         return (CMD_RETURN_NORMAL);
 180 }