external/bsd/tmux/dist/cmd-resize-pane.c

   1 /* Id */
   2
   3 /*
   4  * Copyright (c) 2009 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 <stdlib.h>
  22
  23 #include "tmux.h"
  24
  25 /*
  26  * Increase or decrease pane size.
  27  */
  28
  29 void             cmd_resize_pane_key_binding(struct cmd *, int);
  30 enum cmd_retval  cmd_resize_pane_exec(struct cmd *, struct cmd_q *);
  31
  32 const struct cmd_entry cmd_resize_pane_entry = {
  33         "resize-pane", "resizep",
  34         "DLRt:Ux:y:Z", 0, 1,
  35         "[-DLRUZ] [-x width] [-y height] " CMD_TARGET_PANE_USAGE " [adjustment]",
  36         0,
  37         cmd_resize_pane_key_binding,
  38         cmd_resize_pane_exec
  39 };
  40
  41 void
  42 cmd_resize_pane_key_binding(struct cmd *self, int key)
  43 {
  44         switch (key) {
  45         case KEYC_UP | KEYC_CTRL:
  46                 self->args = args_create(0);
  47                 args_set(self->args, 'U', NULL);
  48                 break;
  49         case KEYC_DOWN | KEYC_CTRL:
  50                 self->args = args_create(0);
  51                 args_set(self->args, 'D', NULL);
  52                 break;
  53         case KEYC_LEFT | KEYC_CTRL:
  54                 self->args = args_create(0);
  55                 args_set(self->args, 'L', NULL);
  56                 break;
  57         case KEYC_RIGHT | KEYC_CTRL:
  58                 self->args = args_create(0);
  59                 args_set(self->args, 'R', NULL);
  60                 break;
  61         case KEYC_UP | KEYC_ESCAPE:
  62                 self->args = args_create(1, "5");
  63                 args_set(self->args, 'U', NULL);
  64                 break;
  65         case KEYC_DOWN | KEYC_ESCAPE:
  66                 self->args = args_create(1, "5");
  67                 args_set(self->args, 'D', NULL);
  68                 break;
  69         case KEYC_LEFT | KEYC_ESCAPE:
  70                 self->args = args_create(1, "5");
  71                 args_set(self->args, 'L', NULL);
  72                 break;
  73         case KEYC_RIGHT | KEYC_ESCAPE:
  74                 self->args = args_create(1, "5");
  75                 args_set(self->args, 'R', NULL);
  76                 break;
  77         case 'z':
  78                 self->args = args_create(0);
  79                 args_set(self->args, 'Z', NULL);
  80                 break;
  81         default:
  82                 self->args = args_create(0);
  83                 break;
  84         }
  85 }
  86
  87 enum cmd_retval
  88 cmd_resize_pane_exec(struct cmd *self, struct cmd_q *cmdq)
  89 {
  90         struct args             *args = self->args;
  91         struct winlink          *wl;
  92         struct window           *w;
  93         const char              *errstr;
  94         char                    *cause;
  95         struct window_pane      *wp;
  96         u_int                    adjust;
  97         int                      x, y;
  98
  99         if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), NULL, &wp)) == NULL)
 100                 return (CMD_RETURN_ERROR);
 101         w = wl->window;
 102
 103         if (args_has(args, 'Z')) {
 104                 if (w->flags & WINDOW_ZOOMED)
 105                         window_unzoom(w);
 106                 else
 107                         window_zoom(wp);
 108                 server_redraw_window(w);
 109                 server_status_window(w);
 110                 return (CMD_RETURN_NORMAL);
 111         }
 112         server_unzoom_window(w);
 113
 114         if (args->argc == 0)
 115                 adjust = 1;
 116         else {
 117                 adjust = strtonum(args->argv[0], 1, INT_MAX, &errstr);
 118                 if (errstr != NULL) {
 119                         cmdq_error(cmdq, "adjustment %s", errstr);
 120                         return (CMD_RETURN_ERROR);
 121                 }
 122         }
 123
 124         if (args_has(self->args, 'x')) {
 125                 x = args_strtonum(self->args, 'x', PANE_MINIMUM, INT_MAX,
 126                     &cause);
 127                 if (cause != NULL) {
 128                         cmdq_error(cmdq, "width %s", cause);
 129                         free(cause);
 130                         return (CMD_RETURN_ERROR);
 131                 }
 132                 layout_resize_pane_to(wp, LAYOUT_LEFTRIGHT, x);
 133         }
 134         if (args_has(self->args, 'y')) {
 135                 y = args_strtonum(self->args, 'y', PANE_MINIMUM, INT_MAX,
 136                     &cause);
 137                 if (cause != NULL) {
 138                         cmdq_error(cmdq, "height %s", cause);
 139                         free(cause);
 140                         return (CMD_RETURN_ERROR);
 141                 }
 142                 layout_resize_pane_to(wp, LAYOUT_TOPBOTTOM, y);
 143         }
 144
 145         if (args_has(self->args, 'L'))
 146                 layout_resize_pane(wp, LAYOUT_LEFTRIGHT, -adjust);
 147         else if (args_has(self->args, 'R'))
 148                 layout_resize_pane(wp, LAYOUT_LEFTRIGHT, adjust);
 149         else if (args_has(self->args, 'U'))
 150                 layout_resize_pane(wp, LAYOUT_TOPBOTTOM, -adjust);
 151         else if (args_has(self->args, 'D'))
 152                 layout_resize_pane(wp, LAYOUT_TOPBOTTOM, adjust);
 153         server_redraw_window(wl->window);
 154
 155         return (CMD_RETURN_NORMAL);
 156 }