1 /*-
2  * Copyright (c) 2002 Jordan DeLong
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the author nor the names of contributors may be
14  *    used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 #ifndef INPUT_H
30 #define INPUT_H
31 
32 /*
33  * core key identifier definitions
34  */
35 enum {
36 	/* basic keys */
37 	KEYSYM_NOP	=	SCREEN_FIRSTUSRSYM,
38 	KEYSYM_UP,
39 	KEYSYM_DOWN,
40 	KEYSYM_LEFT,
41 	KEYSYM_RIGHT,
42 	KEYSYM_PGUP,
43 	KEYSYM_PGDN,
44 	KEYSYM_HOME,
45 	KEYSYM_END,
46 	KEYSYM_BACKSPACE,
47 	KEYSYM_DELETE,
48 	KEYSYM_ENTER,
49 
50 	/* main keys */
51 	KEYSYM_QUIT,
52 	KEYSYM_SUSPEND,
53 	KEYSYM_CANCEL,
54 	KEYSYM_EXCMD,
55 	KEYSYM_HASHSTATS,
56 	KEYSYM_SAVEBUFFERS,
57 	KEYSYM_SWITCHBUFF,
58 	KEYSYM_SETOPT,
59 	KEYSYM_OPENFILE,
60 	KEYSYM_SAVE,
61 	KEYSYM_SAVEAS,
62 	KEYSYM_REDRAW,
63 	KEYSYM_QUOTENEXT,
64 	KEYSYM_AGAIN,
65 	KEYSYM_VIEWCYCLE,
66 	KEYSYM_PUSHVIEW,
67 	KEYSYM_POPVIEW,
68 	KEYSYM_VERTSPLIT,
69 	KEYSYM_HORIZSPLIT,
70 	KEYSYM_RMVIEW,
71 	KEYSYM_RMOTHERVIEWS,
72 	KEYSYM_VERTGROW,
73 	KEYSYM_VERTSHRINK,
74 	KEYSYM_HORIZGROW,
75 	KEYSYM_HORIZSHRINK,
76 	KEYSYM_FRAMECYCLE,
77 	KEYSYM_NEWFRAME,
78 	KEYSYM_RMFRAME,
79 
80 	/* macro keys */
81 	KEYSYM_RECORD,
82 	KEYSYM_PLAYBACK,
83 	KEYSYM_REPEAT,
84 
85 	/* editing keys supported from the vdefault layer */
86 	KEYSYM_OPENLINE,
87 	KEYSYM_TOGNLSTYLE,
88 	KEYSYM_UNDO,
89 	KEYSYM_REDO,
90 	KEYSYM_NEXTWORD,
91 	KEYSYM_PREVWORD,
92 	KEYSYM_NEXTPARA,
93 	KEYSYM_PREVPARA,
94 	KEYSYM_VIEWTOP,
95 	KEYSYM_VIEWBOTTOM,
96 	KEYSYM_LINEUP,
97 	KEYSYM_LINEDN,
98 	KEYSYM_FIRSTLINE,
99 	KEYSYM_LASTLINE,
100 	KEYSYM_HALFPGUP,
101 	KEYSYM_HALFPGDN,
102 	KEYSYM_CENTER,
103 	KEYSYM_TRANCHARS,
104 	KEYSYM_TRANWORDS,
105 	KEYSYM_TRANLINES,
106 	KEYSYM_SETMARK,
107 	KEYSYM_POPMARK,
108 	KEYSYM_PROMOTEMARK,
109 	KEYSYM_DEMOTEMARK,
110 	KEYSYM_XCHGMARK,
111 	KEYSYM_KILLRGN,
112 	KEYSYM_KILLLINE,
113 	KEYSYM_KILLEOL,
114 	KEYSYM_KILLWORD,
115 	KEYSYM_FWDKILLWORD,
116 	KEYSYM_APPENDKILL,
117 	KEYSYM_YANK,
118 	KEYSYM_YANKPOP,
119 	KEYSYM_FWDYANKPOP,
120 	KEYSYM_ISEARCH,
121 	KEYSYM_RISEARCH,
122 	KEYSYM_GOTOLN,
123 	KEYSYM_REPLACE,
124 	KEYSYM_FILTER,
125 	KEYSYM_INSERTFILE,
126 
127 	/* first keysym for runtime allocation by views */
128 	KEYSYM_FIRSTVIEWSYM
129 };
130 
131 extern int	input_exitloop;
132 extern int	input_lastkeysym;
133 extern int	input_nodraw;
134 
135 void	input_init();
136 int	input_allocsyms(int count);
137 int	input_getkey();
138 int	input_key_pending(int m);
139 int	input_isctrl(int keysym);
140 void	input_default_handler(viewhdr_t *, int keysym);
141 void	input_dispatch(int keysym);
142 void	input_loop();
143 void	input_begincancel();
144 int	input_checkcancel();
145 void	input_endcancel();
146 
147 /*
148  * used for recursive entry into the input loop; this is used
149  * for things like entering the minibuffer.
150  */
input_recurse()151 static __inline void input_recurse() {
152 	input_loop();
153 	input_exitloop = 0;
154 }
155 
156 #endif
157