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, percentage, dst_idx;
  76         int                      flags;
  77         enum layout_type         type;
  78         struct layout_cell      *lc;
  79
  80         dst_s = target->s;
  81         dst_wl = target->wl;
  82         dst_wp = target->wp;
  83         dst_w = dst_wl->window;
  84         dst_idx = dst_wl->idx;
  85         server_unzoom_window(dst_w);
  86
  87         src_wl = source->wl;
  88         src_wp = source->wp;
  89         src_w = src_wl->window;
  90         server_unzoom_window(src_w);
  91
  92         if (src_wp == dst_wp) {
  93                 cmdq_error(item, "source and target panes must be different");
  94                 return (CMD_RETURN_ERROR);
  95         }
  96
  97         type = LAYOUT_TOPBOTTOM;
  98         if (args_has(args, 'h'))
  99                 type = LAYOUT_LEFTRIGHT;
 100
 101         size = -1;
 102         if (args_has(args, 'l')) {
 103                 if (type == LAYOUT_TOPBOTTOM) {
 104                         size = args_percentage(args, 'l', 0, INT_MAX,
 105                             dst_wp->sy, &cause);
 106                 } else {
 107                         size = args_percentage(args, 'l', 0, INT_MAX,
 108                             dst_wp->sx, &cause);
 109                 }
 110         } else if (args_has(args, 'p')) {
 111                 percentage = args_strtonum(args, 'p', 0, 100, &cause);
 112                 if (cause == NULL) {
 113                         if (type == LAYOUT_TOPBOTTOM)
 114                                 size = (dst_wp->sy * percentage) / 100;
 115                         else
 116                                 size = (dst_wp->sx * percentage) / 100;
 117                 }
 118         }
 119         if (cause != NULL) {
 120                 cmdq_error(item, "size %s", cause);
 121                 free(cause);
 122                 return (CMD_RETURN_ERROR);
 123         }
 124
 125         flags = 0;
 126         if (args_has(args, 'b'))
 127                 flags |= SPAWN_BEFORE;
 128         if (args_has(args, 'f'))
 129                 flags |= SPAWN_FULLSIZE;
 130
 131         lc = layout_split_pane(dst_wp, type, size, flags);
 132         if (lc == NULL) {
 133                 cmdq_error(item, "create pane failed: pane too small");
 134                 return (CMD_RETURN_ERROR);
 135         }
 136
 137         layout_close_pane(src_wp);
 138
 139         server_client_remove_pane(src_wp);
 140         window_lost_pane(src_w, src_wp);
 141         TAILQ_REMOVE(&src_w->panes, src_wp, entry);
 142
 143         src_wp->window = dst_w;
 144         options_set_parent(src_wp->options, dst_w->options);
 145         src_wp->flags |= PANE_STYLECHANGED;
 146         if (flags & SPAWN_BEFORE)
 147                 TAILQ_INSERT_BEFORE(dst_wp, src_wp, entry);
 148         else
 149                 TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
 150         layout_assign_pane(lc, src_wp, 0);
 151
 152         recalculate_sizes();
 153
 154         server_redraw_window(src_w);
 155         server_redraw_window(dst_w);
 156
 157         if (!args_has(args, 'd')) {
 158                 window_set_active_pane(dst_w, src_wp, 1);
 159                 session_select(dst_s, dst_idx);
 160                 cmd_find_from_session(current, dst_s, 0);
 161                 server_redraw_session(dst_s);
 162         } else
 163                 server_status_session(dst_s);
 164
 165         if (window_count_panes(src_w) == 0)
 166                 server_kill_window(src_w, 1);
 167         else
 168                 notify_window("window-layout-changed", src_w);
 169         notify_window("window-layout-changed", dst_w);
 170
 171         return (CMD_RETURN_NORMAL);
 172 }