cmd-join-pane.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2011 George Nachman <tmux@georgester.com>
   5  * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
   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 <unistd.h>
  25
  26 #include "tmux.h"
  27
  28 /*
  29  * Join or move a pane into another (like split/swap/kill).
  30  */
  31
  32 void             cmd_join_pane_key_binding(struct cmd *, int);
  33 enum cmd_retval  cmd_join_pane_exec(struct cmd *, struct cmd_q *);
  34
  35 enum cmd_retval  join_pane(struct cmd *, struct cmd_q *, int);
  36
  37 const struct cmd_entry cmd_join_pane_entry = {
  38         "join-pane", "joinp",
  39         "bdhvp:l:s:t:", 0, 0,
  40         "[-bdhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
  41         0,
  42         cmd_join_pane_key_binding,
  43         NULL,
  44         cmd_join_pane_exec
  45 };
  46
  47 const struct cmd_entry cmd_move_pane_entry = {
  48         "move-pane", "movep",
  49         "bdhvp:l:s:t:", 0, 0,
  50         "[-bdhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
  51         0,
  52         NULL,
  53         NULL,
  54         cmd_join_pane_exec
  55 };
  56
  57 void
  58 cmd_join_pane_key_binding(struct cmd *self, int key)
  59 {
  60         switch (key) {
  61         case '%':
  62                 self->args = args_create(0);
  63                 args_set(self->args, 'h', NULL);
  64                 break;
  65         default:
  66                 self->args = args_create(0);
  67                 break;
  68         }
  69 }
  70
  71 enum cmd_retval
  72 cmd_join_pane_exec(struct cmd *self, struct cmd_q *cmdq)
  73 {
  74         return (join_pane(self, cmdq, self->entry == &cmd_join_pane_entry));
  75 }
  76
  77 enum cmd_retval
  78 join_pane(struct cmd *self, struct cmd_q *cmdq, int not_same_window)
  79 {
  80         struct args             *args = self->args;
  81         struct session          *dst_s;
  82         struct winlink          *src_wl, *dst_wl;
  83         struct window           *src_w, *dst_w;
  84         struct window_pane      *src_wp, *dst_wp;
  85         char                    *cause;
  86         int                      size, percentage, dst_idx;
  87         enum layout_type         type;
  88         struct layout_cell      *lc;
  89
  90         dst_wl = cmd_find_pane(cmdq, args_get(args, 't'), &dst_s, &dst_wp);
  91         if (dst_wl == NULL)
  92                 return (CMD_RETURN_ERROR);
  93         dst_w = dst_wl->window;
  94         dst_idx = dst_wl->idx;
  95         server_unzoom_window(dst_w);
  96
  97         src_wl = cmd_find_pane(cmdq, args_get(args, 's'), NULL, &src_wp);
  98         if (src_wl == NULL)
  99                 return (CMD_RETURN_ERROR);
 100         src_w = src_wl->window;
 101         server_unzoom_window(src_w);
 102
 103         if (not_same_window && src_w == dst_w) {
 104                 cmdq_error(cmdq, "can't join a pane to its own window");
 105                 return (CMD_RETURN_ERROR);
 106         }
 107         if (!not_same_window && src_wp == dst_wp) {
 108                 cmdq_error(cmdq, "source and target panes must be different");
 109                 return (CMD_RETURN_ERROR);
 110         }
 111
 112         type = LAYOUT_TOPBOTTOM;
 113         if (args_has(args, 'h'))
 114                 type = LAYOUT_LEFTRIGHT;
 115
 116         size = -1;
 117         if (args_has(args, 'l')) {
 118                 size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
 119                 if (cause != NULL) {
 120                         cmdq_error(cmdq, "size %s", cause);
 121                         free(cause);
 122                         return (CMD_RETURN_ERROR);
 123                 }
 124         } else if (args_has(args, 'p')) {
 125                 percentage = args_strtonum(args, 'p', 0, 100, &cause);
 126                 if (cause != NULL) {
 127                         cmdq_error(cmdq, "percentage %s", cause);
 128                         free(cause);
 129                         return (CMD_RETURN_ERROR);
 130                 }
 131                 if (type == LAYOUT_TOPBOTTOM)
 132                         size = (dst_wp->sy * percentage) / 100;
 133                 else
 134                         size = (dst_wp->sx * percentage) / 100;
 135         }
 136         lc = layout_split_pane(dst_wp, type, size, args_has(args, 'b'));
 137         if (lc == NULL) {
 138                 cmdq_error(cmdq, "create pane failed: pane too small");
 139                 return (CMD_RETURN_ERROR);
 140         }
 141
 142         layout_close_pane(src_wp);
 143
 144         if (src_w->active == src_wp) {
 145                 src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
 146                 if (src_w->active == NULL)
 147                         src_w->active = TAILQ_NEXT(src_wp, entry);
 148         }
 149         TAILQ_REMOVE(&src_w->panes, src_wp, entry);
 150
 151         if (window_count_panes(src_w) == 0)
 152                 server_kill_window(src_w);
 153         else
 154                 notify_window_layout_changed(src_w);
 155
 156         src_wp->window = dst_w;
 157         TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
 158         layout_assign_pane(lc, src_wp);
 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);
 167                 session_select(dst_s, dst_idx);
 168                 server_redraw_session(dst_s);
 169         } else
 170                 server_status_session(dst_s);
 171
 172         notify_window_layout_changed(dst_w);
 173         return (CMD_RETURN_NORMAL);
 174 }