1 /****************************************************************************
2 * Copyright 2018,2020 Thomas E. Dickey *
3 * Copyright 2009-2012,2014 Free Software Foundation, Inc. *
4 * *
5 * Permission is hereby granted, free of charge, to any person obtaining a *
6 * copy of this software and associated documentation files (the *
7 * "Software"), to deal in the Software without restriction, including *
8 * without limitation the rights to use, copy, modify, merge, publish, *
9 * distribute, distribute with modifications, sublicense, and/or sell *
10 * copies of the Software, and to permit persons to whom the Software is *
11 * furnished to do so, subject to the following conditions: *
12 * *
13 * The above copyright notice and this permission notice shall be included *
14 * in all copies or substantial portions of the Software. *
15 * *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * *
24 * Except as contained in this notice, the name(s) of the above copyright *
25 * holders shall not be used in advertising or otherwise to promote the *
26 * sale, use or other dealings in this Software without prior written *
27 * authorization. *
28 ****************************************************************************/
29
30 /****************************************************************************
31 * Author: Juergen Pfeifer *
32 * *
33 ****************************************************************************/
34
35 #include <curses.priv.h>
36
37 MODULE_ID("$Id: lib_driver.c,v 1.9 2020/08/29 19:53:35 tom Exp $")
38
39 #ifndef EXP_WIN32_DRIVER
40 typedef struct DriverEntry {
41 const char *name;
42 TERM_DRIVER *driver;
43 } DRIVER_ENTRY;
44
45 static DRIVER_ENTRY DriverTable[] =
46 {
47 #ifdef _WIN32
48 {"win32console", &_nc_WIN_DRIVER},
49 #endif
50 {"tinfo", &_nc_TINFO_DRIVER} /* must be last */
51 };
52
53 NCURSES_EXPORT(int)
_nc_get_driver(TERMINAL_CONTROL_BLOCK * TCB,const char * name,int * errret)54 _nc_get_driver(TERMINAL_CONTROL_BLOCK * TCB, const char *name, int *errret)
55 {
56 int code = ERR;
57 size_t i;
58 TERM_DRIVER *res = (TERM_DRIVER *) 0;
59 TERM_DRIVER *use = 0;
60
61 T((T_CALLED("_nc_get_driver(%p, %s, %p)"),
62 (void *) TCB, NonNull(name), (void *) errret));
63
64 assert(TCB != 0);
65
66 for (i = 0; i < SIZEOF(DriverTable); i++) {
67 res = DriverTable[i].driver;
68 if (strcmp(DriverTable[i].name, res->td_name(TCB)) == 0) {
69 if (res->td_CanHandle(TCB, name, errret)) {
70 use = res;
71 break;
72 }
73 }
74 }
75 if (use != 0) {
76 TCB->drv = use;
77 code = OK;
78 }
79 returnCode(code);
80 }
81 #endif /* !EXP_WIN32_DRIVER */
82
83 NCURSES_EXPORT(int)
NCURSES_SP_NAME(has_key)84 NCURSES_SP_NAME(has_key) (SCREEN *sp, int keycode)
85 {
86 T((T_CALLED("has_key(%p, %d)"), (void *) sp, keycode));
87 returnCode(IsValidTIScreen(sp) ? CallDriver_1(sp, td_kyExist, keycode) : FALSE);
88 }
89
90 NCURSES_EXPORT(int)
has_key(int keycode)91 has_key(int keycode)
92 {
93 return NCURSES_SP_NAME(has_key) (CURRENT_SCREEN, keycode);
94 }
95
96 NCURSES_EXPORT(int)
NCURSES_SP_NAME(_nc_mcprint)97 NCURSES_SP_NAME(_nc_mcprint) (SCREEN *sp, char *data, int len)
98 {
99 int code = ERR;
100
101 if (0 != TerminalOf(sp))
102 code = CallDriver_2(sp, td_print, data, len);
103 return (code);
104 }
105
106 NCURSES_EXPORT(int)
mcprint(char * data,int len)107 mcprint(char *data, int len)
108 {
109 return NCURSES_SP_NAME(_nc_mcprint) (CURRENT_SCREEN, data, len);
110 }
111
112 NCURSES_EXPORT(int)
NCURSES_SP_NAME(doupdate)113 NCURSES_SP_NAME(doupdate) (SCREEN *sp)
114 {
115 int code = ERR;
116
117 T((T_CALLED("doupdate(%p)"), (void *) sp));
118
119 if (IsValidScreen(sp))
120 code = CallDriver(sp, td_update);
121
122 returnCode(code);
123 }
124
125 NCURSES_EXPORT(int)
doupdate(void)126 doupdate(void)
127 {
128 return NCURSES_SP_NAME(doupdate) (CURRENT_SCREEN);
129 }
130
131 NCURSES_EXPORT(int)
NCURSES_SP_NAME(mvcur)132 NCURSES_SP_NAME(mvcur) (SCREEN *sp, int yold, int xold, int ynew, int xnew)
133 {
134 int code = ERR;
135 TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("mvcur(%p,%d,%d,%d,%d)"),
136 (void *) sp, yold, xold, ynew, xnew));
137 if (HasTerminal(sp)) {
138 code = CallDriver_4(sp, td_hwcur, yold, xold, ynew, xnew);
139 }
140 returnCode(code);
141 }
142
143 NCURSES_EXPORT(int)
mvcur(int yold,int xold,int ynew,int xnew)144 mvcur(int yold, int xold, int ynew, int xnew)
145 /* optimized cursor move from (yold, xold) to (ynew, xnew) */
146 {
147 return NCURSES_SP_NAME(mvcur) (CURRENT_SCREEN, yold, xold, ynew, xnew);
148 }
149