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 <stdlib.h>
  23 #include <string.h>
  24 #include <unistd.h>
  25
  26 #include "tmux.h"
  27
  28 /*
  29  * Join or move a pane into another (like split/swap/kill).
  30  */
  31
  32 static enum cmd_retval  cmd_join_pane_exec(struct cmd *, struct cmdq_item *);
  33
  34 const struct cmd_entry cmd_join_pane_entry = {
  35         .name = "join-pane",
  36         .alias = "joinp",
  37
  38         .args = { "bdfhvp:l:s:t:", 0, 0, NULL },
  39         .usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
  40
  41         .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
  42         .target = { 't', CMD_FIND_PANE, 0 },
  43
  44         .flags = 0,
  45         .exec = cmd_join_pane_exec
  46 };
  47
  48 const struct cmd_entry cmd_move_pane_entry = {
  49         .name = "move-pane",
  50         .alias = "movep",
  51
  52         .args = { "bdfhvp:l:s:t:", 0, 0, NULL },
  53         .usage = "[-bdfhv] [-l size] " CMD_SRCDST_PANE_USAGE,
  54
  55         .source = { 's', CMD_FIND_PANE, CMD_FIND_DEFAULT_MARKED },
  56         .target = { 't', CMD_FIND_PANE, 0 },
  57
  58         .flags = 0,
  59         .exec = cmd_join_pane_exec
  60 };
  61
  62 static enum cmd_retval
  63 cmd_join_pane_exec(struct cmd *self, struct cmdq_item *item)
  64 {
  65         struct args             *args = cmd_get_args(self);
  66         struct cmd_find_state   *current = cmdq_get_current(item);
  67         struct cmd_find_state   *target = cmdq_get_target(item);
  68         struct cmd_find_state   *source = cmdq_get_source(item);
  69         struct session          *dst_s;
  70         struct winlink          *src_wl, *dst_wl;
  71         struct window           *src_w, *dst_w;
  72         struct window_pane      *src_wp, *dst_wp;
  73         char                    *cause = NULL;
  74         int                      size, percentage, dst_idx;
  75         int                      flags;
  76         enum layout_type         type;
  77         struct layout_cell      *lc;
  78
  79         dst_s = target->s;
  80         dst_wl = target->wl;
  81         dst_wp = target->wp;
  82         dst_w = dst_wl->window;
  83         dst_idx = dst_wl->idx;
  84         server_unzoom_window(dst_w);
  85
  86         src_wl = source->wl;
  87         src_wp = source->wp;
  88         src_w = src_wl->window;
  89         server_unzoom_window(src_w);
  90
  91         if (src_wp == dst_wp) {
  92                 cmdq_error(item, "source and target panes must be different");
  93                 return (CMD_RETURN_ERROR);
  94         }
  95
  96         type = LAYOUT_TOPBOTTOM;
  97         if (args_has(args, 'h'))
  98                 type = LAYOUT_LEFTRIGHT;
  99
 100         size = -1;
 101         if (args_has(args, 'l')) {
 102                 if (type == LAYOUT_TOPBOTTOM) {
 103                         size = args_percentage(args, 'l', 0, INT_MAX,
 104                             dst_wp->sy, &cause);
 105                 } else {
 106                         size = args_percentage(args, 'l', 0, INT_MAX,
 107                             dst_wp->sx, &cause);
 108                 }
 109         } else if (args_has(args, 'p')) {
 110                 percentage = args_strtonum(args, 'p', 0, 100, &cause);
 111                 if (cause == NULL) {
 112                         if (type == LAYOUT_TOPBOTTOM)
 113                                 size = (dst_wp->sy * percentage) / 100;
 114                         else
 115                                 size = (dst_wp->sx * percentage) / 100;
 116                 }
 117         }
 118         if (cause != NULL) {
 119                 cmdq_error(item, "size %s", cause);
 120                 free(cause);
 121                 return (CMD_RETURN_ERROR);
 122         }
 123
 124         flags = 0;
 125         if (args_has(args, 'b'))
 126                 flags |= SPAWN_BEFORE;
 127         if (args_has(args, 'f'))
 128                 flags |= SPAWN_FULLSIZE;
 129
 130         lc = layout_split_pane(dst_wp, type, size, flags);
 131         if (lc == NULL) {
 132                 cmdq_error(item, "create pane failed: pane too small");
 133                 return (CMD_RETURN_ERROR);
 134         }
 135
 136         layout_close_pane(src_wp);
 137
 138         server_client_remove_pane(src_wp);
 139         window_lost_pane(src_w, src_wp);
 140         TAILQ_REMOVE(&src_w->panes, src_wp, entry);
 141
 142         src_wp->window = dst_w;
 143         options_set_parent(src_wp->options, dst_w->options);
 144         src_wp->flags |= PANE_STYLECHANGED;
 145         if (flags & SPAWN_BEFORE)
 146                 TAILQ_INSERT_BEFORE(dst_wp, src_wp, entry);
 147         else
 148                 TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
 149         layout_assign_pane(lc, src_wp, 0);
 150
 151         recalculate_sizes();
 152
 153         server_redraw_window(src_w);
 154         server_redraw_window(dst_w);
 155
 156         if (!args_has(args, 'd')) {
 157                 window_set_active_pane(dst_w, src_wp, 1);
 158                 session_select(dst_s, dst_idx);
 159                 cmd_find_from_session(current, dst_s, 0);
 160                 server_redraw_session(dst_s);
 161         } else
 162                 server_status_session(dst_s);
 163
 164         if (window_count_panes(src_w) == 0)
 165                 server_kill_window(src_w, 1);
 166         else
 167                 notify_window("window-layout-changed", src_w);
 168         notify_window("window-layout-changed", dst_w);
 169
 170         return (CMD_RETURN_NORMAL);
 171 }