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) 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) 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) 91 has_key(int keycode) 92 { 93 return NCURSES_SP_NAME(has_key) (CURRENT_SCREEN, keycode); 94 } 95 96 NCURSES_EXPORT(int) 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) 107 mcprint(char *data, int len) 108 { 109 return NCURSES_SP_NAME(_nc_mcprint) (CURRENT_SCREEN, data, len); 110 } 111 112 NCURSES_EXPORT(int) 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) 126 doupdate(void) 127 { 128 return NCURSES_SP_NAME(doupdate) (CURRENT_SCREEN); 129 } 130 131 NCURSES_EXPORT(int) 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) 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