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         cmd_join_pane_exec
  44 };
  45
  46 const struct cmd_entry cmd_move_pane_entry = {
  47         "move-pane", "movep",
  48         "bdhvp:l:s:t:", 0, 0,
  49         "[-bdhv] [-p percentage|-l size] [-s src-pane] [-t dst-pane]",
  50         0,
  51         NULL,
  52         cmd_join_pane_exec
  53 };
  54
  55 void
  56 cmd_join_pane_key_binding(struct cmd *self, int key)
  57 {
  58         switch (key) {
  59         case '%':
  60                 self->args = args_create(0);
  61                 args_set(self->args, 'h', NULL);
  62                 break;
  63         default:
  64                 self->args = args_create(0);
  65                 break;
  66         }
  67 }
  68
  69 enum cmd_retval
  70 cmd_join_pane_exec(struct cmd *self, struct cmd_q *cmdq)
  71 {
  72         return (join_pane(self, cmdq, self->entry == &cmd_join_pane_entry));
  73 }
  74
  75 enum cmd_retval
  76 join_pane(struct cmd *self, struct cmd_q *cmdq, int not_same_window)
  77 {
  78         struct args             *args = self->args;
  79         struct session          *dst_s;
  80         struct winlink          *src_wl, *dst_wl;
  81         struct window           *src_w, *dst_w;
  82         struct window_pane      *src_wp, *dst_wp;
  83         char                    *cause;
  84         int                      size, percentage, dst_idx;
  85         enum layout_type         type;
  86         struct layout_cell      *lc;
  87
  88         dst_wl = cmd_find_pane(cmdq, args_get(args, 't'), &dst_s, &dst_wp);
  89         if (dst_wl == NULL)
  90                 return (CMD_RETURN_ERROR);
  91         dst_w = dst_wl->window;
  92         dst_idx = dst_wl->idx;
  93         server_unzoom_window(dst_w);
  94
  95         src_wl = cmd_find_pane(cmdq, args_get(args, 's'), NULL, &src_wp);
  96         if (src_wl == NULL)
  97                 return (CMD_RETURN_ERROR);
  98         src_w = src_wl->window;
  99         server_unzoom_window(src_w);
 100
 101         if (not_same_window && src_w == dst_w) {
 102                 cmdq_error(cmdq, "can't join a pane to its own window");
 103                 return (CMD_RETURN_ERROR);
 104         }
 105         if (!not_same_window && src_wp == dst_wp) {
 106                 cmdq_error(cmdq, "source and target panes must be different");
 107                 return (CMD_RETURN_ERROR);
 108         }
 109
 110         type = LAYOUT_TOPBOTTOM;
 111         if (args_has(args, 'h'))
 112                 type = LAYOUT_LEFTRIGHT;
 113
 114         size = -1;
 115         if (args_has(args, 'l')) {
 116                 size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
 117                 if (cause != NULL) {
 118                         cmdq_error(cmdq, "size %s", cause);
 119                         free(cause);
 120                         return (CMD_RETURN_ERROR);
 121                 }
 122         } else if (args_has(args, 'p')) {
 123                 percentage = args_strtonum(args, 'p', 0, 100, &cause);
 124                 if (cause != NULL) {
 125                         cmdq_error(cmdq, "percentage %s", cause);
 126                         free(cause);
 127                         return (CMD_RETURN_ERROR);
 128                 }
 129                 if (type == LAYOUT_TOPBOTTOM)
 130                         size = (dst_wp->sy * percentage) / 100;
 131                 else
 132                         size = (dst_wp->sx * percentage) / 100;
 133         }
 134         lc = layout_split_pane(dst_wp, type, size, args_has(args, 'b'));
 135         if (lc == NULL) {
 136                 cmdq_error(cmdq, "create pane failed: pane too small");
 137                 return (CMD_RETURN_ERROR);
 138         }
 139
 140         layout_close_pane(src_wp);
 141
 142         if (src_w->active == src_wp) {
 143                 src_w->active = TAILQ_PREV(src_wp, window_panes, entry);
 144                 if (src_w->active == NULL)
 145                         src_w->active = TAILQ_NEXT(src_wp, entry);
 146         }
 147         TAILQ_REMOVE(&src_w->panes, src_wp, entry);
 148
 149         if (window_count_panes(src_w) == 0)
 150                 server_kill_window(src_w);
 151         else
 152                 notify_window_layout_changed(src_w);
 153
 154         src_wp->window = dst_w;
 155         TAILQ_INSERT_AFTER(&dst_w->panes, dst_wp, src_wp, entry);
 156         layout_assign_pane(lc, src_wp);
 157
 158         recalculate_sizes();
 159
 160         server_redraw_window(src_w);
 161         server_redraw_window(dst_w);
 162
 163         if (!args_has(args, 'd')) {
 164                 window_set_active_pane(dst_w, src_wp);
 165                 session_select(dst_s, dst_idx);
 166                 server_redraw_session(dst_s);
 167         } else
 168                 server_status_session(dst_s);
 169
 170         notify_window_layout_changed(dst_w);
 171         return (CMD_RETURN_NORMAL);
 172 }