1 /****************************************************************************
2 * Copyright (c) 2008-2010,2012 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29 /****************************************************************************
30 * Author: Juergen Pfeifer *
31 * *
32 ****************************************************************************/
33
34 #include <curses.priv.h>
35
36 MODULE_ID("$Id: lib_driver.c,v 1.4 2012/09/22 19:32:46 tom Exp $")
37
38 typedef struct DriverEntry {
39 const char *name;
40 TERM_DRIVER *driver;
41 } DRIVER_ENTRY;
42
43 static DRIVER_ENTRY DriverTable[] =
44 {
45 #ifdef __MINGW32__
46 {"win32con", &_nc_WIN_DRIVER},
47 #endif
48 {"tinfo", &_nc_TINFO_DRIVER} /* must be last */
49 };
50
51 NCURSES_EXPORT(int)
_nc_get_driver(TERMINAL_CONTROL_BLOCK * TCB,const char * name,int * errret)52 _nc_get_driver(TERMINAL_CONTROL_BLOCK * TCB, const char *name, int *errret)
53 {
54 int code = ERR;
55 size_t i;
56 TERM_DRIVER *res = (TERM_DRIVER *) 0;
57 TERM_DRIVER *use = 0;
58
59 T((T_CALLED("_nc_get_driver(%p, %s, %p)"),
60 (void *) TCB, NonNull(name), (void *) errret));
61
62 assert(TCB != 0);
63
64 for (i = 0; i < SIZEOF(DriverTable); i++) {
65 res = DriverTable[i].driver;
66 /*
67 * Use "#" (a character which cannot begin a terminal's name) to
68 * select specific driver from the table.
69 *
70 * In principle, we could have more than one non-terminfo driver,
71 * e.g., "win32gui".
72 */
73 if (name != 0 && *name == '#') {
74 size_t n = strlen(name + 1);
75 if (n != 0
76 && strncmp(name + 1, DriverTable[i].name, n)) {
77 continue;
78 }
79 }
80 if (res->CanHandle(TCB, name, errret)) {
81 use = res;
82 break;
83 }
84 }
85 if (use != 0) {
86 TCB->drv = use;
87 code = OK;
88 }
89 returnCode(code);
90 }
91
92 NCURSES_EXPORT(int)
NCURSES_SP_NAME(has_key)93 NCURSES_SP_NAME(has_key) (SCREEN *sp, int keycode)
94 {
95 T((T_CALLED("has_key(%p, %d)"), (void *) sp, keycode));
96 returnCode(IsValidTIScreen(sp) ? CallDriver_1(sp, kyExist, keycode) : FALSE);
97 }
98
99 NCURSES_EXPORT(int)
has_key(int keycode)100 has_key(int keycode)
101 {
102 return NCURSES_SP_NAME(has_key) (CURRENT_SCREEN, keycode);
103 }
104
105 NCURSES_EXPORT(int)
NCURSES_SP_NAME(_nc_mcprint)106 NCURSES_SP_NAME(_nc_mcprint) (SCREEN *sp, char *data, int len)
107 {
108 int code = ERR;
109
110 if (0 != TerminalOf(sp))
111 code = CallDriver_2(sp, print, data, len);
112 return (code);
113 }
114
115 NCURSES_EXPORT(int)
mcprint(char * data,int len)116 mcprint(char *data, int len)
117 {
118 return NCURSES_SP_NAME(_nc_mcprint) (CURRENT_SCREEN, data, len);
119 }
120
121 NCURSES_EXPORT(int)
NCURSES_SP_NAME(doupdate)122 NCURSES_SP_NAME(doupdate) (SCREEN *sp)
123 {
124 int code = ERR;
125
126 T((T_CALLED("doupdate(%p)"), (void *) sp));
127
128 if (IsValidScreen(sp))
129 code = CallDriver(sp, update);
130
131 returnCode(code);
132 }
133
134 NCURSES_EXPORT(int)
doupdate(void)135 doupdate(void)
136 {
137 return NCURSES_SP_NAME(doupdate) (CURRENT_SCREEN);
138 }
139
140 NCURSES_EXPORT(int)
NCURSES_SP_NAME(mvcur)141 NCURSES_SP_NAME(mvcur) (SCREEN *sp, int yold, int xold, int ynew, int xnew)
142 {
143 int code = ERR;
144 TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("mvcur(%p,%d,%d,%d,%d)"),
145 (void *) sp, yold, xold, ynew, xnew));
146 if (HasTerminal(sp)) {
147 code = CallDriver_4(sp, hwcur, yold, xold, ynew, xnew);
148 }
149 returnCode(code);
150 }
151
152 NCURSES_EXPORT(int)
mvcur(int yold,int xold,int ynew,int xnew)153 mvcur(int yold, int xold, int ynew, int xnew)
154 /* optimized cursor move from (yold, xold) to (ynew, xnew) */
155 {
156 return NCURSES_SP_NAME(mvcur) (CURRENT_SCREEN, yold, xold, ynew, xnew);
157 }
158