[2365b0]: layout-string.c Maximize Restore History

Download this file

layout-string.c    169 lines (150 with data), 4.9 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/* $Id: layout-string.c,v 1.4 2010-07-02 02:54:52 tcunha Exp $ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Figure out the pane position based on a description. Fairly simple right
* now, just understands a set of strings: left, right, top, bottom, top-left
* top-right, bottom-left, bottom-right.
*/
struct layout_cell *layout_find_top(struct layout_cell *);
struct layout_cell *layout_find_bottom(struct layout_cell *);
struct layout_cell *layout_find_left(struct layout_cell *);
struct layout_cell *layout_find_right(struct layout_cell *);
struct layout_cell *layout_find_topleft(struct layout_cell *);
struct layout_cell *layout_find_topright(struct layout_cell *);
struct layout_cell *layout_find_bottomleft(struct layout_cell *);
/* Find the cell; returns NULL if string not understood. */
struct layout_cell *
layout_find_string(struct window *w, const char *s)
{
struct layout_cell *lc;
lc = NULL;
if (strcasecmp(s, "top") == 0)
lc = layout_find_top(w->layout_root);
else if (strcasecmp(s, "bottom") == 0)
lc = layout_find_bottom(w->layout_root);
else if (strcasecmp(s, "left") == 0)
lc = layout_find_left(w->layout_root);
else if (strcasecmp(s, "right") == 0)
lc = layout_find_right(w->layout_root);
else if (strcasecmp(s, "top-left") == 0)
lc = layout_find_topleft(w->layout_root);
else if (strcasecmp(s, "top-right") == 0)
lc = layout_find_topright(w->layout_root);
else if (strcasecmp(s, "bottom-left") == 0)
lc = layout_find_bottomleft(w->layout_root);
else if (strcasecmp(s, "bottom-right") == 0)
lc = layout_find_bottomright(w->layout_root);
if (lc == NULL || lc->type != LAYOUT_WINDOWPANE)
return (NULL);
return (lc);
}
/*
* Find the top cell. Because splits in the same direction are stored as a
* list, this is just the first in the list. Return NULL if no topmost cell.
* For an unnested cell (not split), the top cell is always itself.
*/
struct layout_cell *
layout_find_top(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
else if (lc->type == LAYOUT_TOPBOTTOM)
return (TAILQ_FIRST(&lc->cells));
return (NULL);
}
/*
* Find the bottom cell. Similarly to the top cell, this is just the last in
* the list.
*/
struct layout_cell *
layout_find_bottom(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
else if (lc->type == LAYOUT_TOPBOTTOM)
return (TAILQ_LAST(&lc->cells, layout_cells));
return (NULL);
}
/* Find the left cell. */
struct layout_cell *
layout_find_left(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
else if (lc->type == LAYOUT_LEFTRIGHT)
return (TAILQ_FIRST(&lc->cells));
return (NULL);
}
/* Find the right cell. */
struct layout_cell *
layout_find_right(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
else if (lc->type == LAYOUT_LEFTRIGHT)
return (TAILQ_LAST(&lc->cells, layout_cells));
return (NULL);
}
/*
* Find the top-left cell. This means recursing until there are no more moves
* to be made.
*/
struct layout_cell *
layout_find_topleft(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
lc = TAILQ_FIRST(&lc->cells);
return (layout_find_topleft(lc));
}
/* Find the top-right cell. */
struct layout_cell *
layout_find_topright(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
if (lc->type == LAYOUT_LEFTRIGHT)
lc = TAILQ_LAST(&lc->cells, layout_cells);
else
lc = TAILQ_FIRST(&lc->cells);
return (layout_find_topright(lc));
}
/* Find the bottom-left cell. */
struct layout_cell *
layout_find_bottomleft(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
if (lc->type == LAYOUT_LEFTRIGHT)
lc = TAILQ_FIRST(&lc->cells);
else
lc = TAILQ_LAST(&lc->cells, layout_cells);
return (layout_find_bottomleft(lc));
}
/* Find the bottom-right cell. */
struct layout_cell *
layout_find_bottomright(struct layout_cell *lc)
{
if (lc->type == LAYOUT_WINDOWPANE)
return (lc);
lc = TAILQ_LAST(&lc->cells, layout_cells);
return (layout_find_bottomright(lc));
}