cmd-copy-mode.c

   1 /* $OpenBSD$ */
   2
   3 /*
   4  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
  15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18
  19 #include <sys/types.h>
  20
  21 #include "tmux.h"
  22
  23 /*
  24  * Enter copy mode.
  25  */
  26
  27 void    cmd_copy_mode_init(struct cmd *, int);
  28 int     cmd_copy_mode_exec(struct cmd *, struct cmd_ctx *);
  29
  30 const struct cmd_entry cmd_copy_mode_entry = {
  31         "copy-mode", NULL,
  32         "[-u] " CMD_TARGET_PANE_USAGE,
  33         0, "u",
  34         cmd_copy_mode_init,
  35         cmd_target_parse,
  36         cmd_copy_mode_exec,
  37         cmd_target_free,
  38         cmd_target_print
  39 };
  40
  41 void
  42 cmd_copy_mode_init(struct cmd *self, int key)
  43 {
  44         struct cmd_target_data  *data;
  45
  46         cmd_target_init(self, key);
  47         data = self->data;
  48
  49         switch (key) {
  50         case KEYC_PPAGE:
  51                 cmd_set_flag(&data->chflags, 'u');
  52                 break;
  53         }
  54 }
  55
  56 int
  57 cmd_copy_mode_exec(struct cmd *self, struct cmd_ctx *ctx)
  58 {
  59         struct cmd_target_data  *data = self->data;
  60         struct window_pane      *wp;
  61
  62         if (cmd_find_pane(ctx, data->target, NULL, &wp) == NULL)
  63                 return (-1);
  64
  65         if (window_pane_set_mode(wp, &window_copy_mode) != 0)
  66                 return (0);
  67         window_copy_init_from_pane(wp);
  68         if (wp->mode == &window_copy_mode && cmd_check_flag(data->chflags, 'u'))
  69                 window_copy_pageup(wp);
  70
  71         return (0);
  72 }