release/src/router/libncurses/ncurses/base/lib_driver.c

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  28
  29 /****************************************************************************
  30  *  Author: Juergen Pfeifer                                                 *
  31  *                                                                          *
  32  ****************************************************************************/
  33
  34 #include <curses.priv.h>
  35
  36 MODULE_ID("$Id: lib_driver.c,v 1.6 2014/04/11 08:21:23 jpf 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     {"win32console", &_nc_WIN_DRIVER},
  47 #endif
  48     {"tinfo", &_nc_TINFO_DRIVER}        /* must be last */
  49 };
  50
  51 NCURSES_EXPORT(int)
  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         if (strcmp(DriverTable[i].name, res->td_name(TCB)) == 0) {
  67             if (res->td_CanHandle(TCB, name, errret)) {
  68                 use = res;
  69                 break;
  70             }
  71         }
  72     }
  73     if (use != 0) {
  74         TCB->drv = use;
  75         code = OK;
  76     }
  77     returnCode(code);
  78 }
  79
  80 NCURSES_EXPORT(int)
  81 NCURSES_SP_NAME(has_key) (SCREEN *sp, int keycode)
  82 {
  83     T((T_CALLED("has_key(%p, %d)"), (void *) sp, keycode));
  84     returnCode(IsValidTIScreen(sp) ? CallDriver_1(sp, td_kyExist, keycode) : FALSE);
  85 }
  86
  87 NCURSES_EXPORT(int)
  88 has_key(int keycode)
  89 {
  90     return NCURSES_SP_NAME(has_key) (CURRENT_SCREEN, keycode);
  91 }
  92
  93 NCURSES_EXPORT(int)
  94 NCURSES_SP_NAME(_nc_mcprint) (SCREEN *sp, char *data, int len)
  95 {
  96     int code = ERR;
  97
  98     if (0 != TerminalOf(sp))
  99         code = CallDriver_2(sp, td_print, data, len);
 100     return (code);
 101 }
 102
 103 NCURSES_EXPORT(int)
 104 mcprint(char *data, int len)
 105 {
 106     return NCURSES_SP_NAME(_nc_mcprint) (CURRENT_SCREEN, data, len);
 107 }
 108
 109 NCURSES_EXPORT(int)
 110 NCURSES_SP_NAME(doupdate) (SCREEN *sp)
 111 {
 112     int code = ERR;
 113
 114     T((T_CALLED("doupdate(%p)"), (void *) sp));
 115
 116     if (IsValidScreen(sp))
 117         code = CallDriver(sp, td_update);
 118
 119     returnCode(code);
 120 }
 121
 122 NCURSES_EXPORT(int)
 123 doupdate(void)
 124 {
 125     return NCURSES_SP_NAME(doupdate) (CURRENT_SCREEN);
 126 }
 127
 128 NCURSES_EXPORT(int)
 129 NCURSES_SP_NAME(mvcur) (SCREEN *sp, int yold, int xold, int ynew, int xnew)
 130 {
 131     int code = ERR;
 132     TR(TRACE_CALLS | TRACE_MOVE, (T_CALLED("mvcur(%p,%d,%d,%d,%d)"),
 133                                   (void *) sp, yold, xold, ynew, xnew));
 134     if (HasTerminal(sp)) {
 135         code = CallDriver_4(sp, td_hwcur, yold, xold, ynew, xnew);
 136     }
 137     returnCode(code);
 138 }
 139
 140 NCURSES_EXPORT(int)
 141 mvcur(int yold, int xold, int ynew, int xnew)
 142 /* optimized cursor move from (yold, xold) to (ynew, xnew) */
 143 {
 144     return NCURSES_SP_NAME(mvcur) (CURRENT_SCREEN, yold, xold, ynew, xnew);
 145 }