xref: /minix/external/bsd/tmux/dist/cmd-resize-pane.c (revision 366d18b2)
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 }
157