diff options
Diffstat (limited to 'payloads/libpayload/curses/PDCurses-3.4/os2/pdckbd.c')
| -rw-r--r-- | payloads/libpayload/curses/PDCurses-3.4/os2/pdckbd.c | 519 |
1 files changed, 519 insertions, 0 deletions
diff --git a/payloads/libpayload/curses/PDCurses-3.4/os2/pdckbd.c b/payloads/libpayload/curses/PDCurses-3.4/os2/pdckbd.c new file mode 100644 index 0000000000..42c24ccd05 --- /dev/null +++ b/payloads/libpayload/curses/PDCurses-3.4/os2/pdckbd.c @@ -0,0 +1,519 @@ +/* Public Domain Curses */ + +#if defined(__EMX__) || defined(__WATCOMC__) || defined(__IBMC__) || \ +defined(__TURBOC__) +# define HAVE_SIGNAL +# include <signal.h> +#endif + +#include "pdcos2.h" + +RCSID("$Id: pdckbd.c,v 1.89 2008/07/14 04:24:51 wmcbrine Exp $") + +/*man-start************************************************************** + + Name: pdckbd + + Synopsis: + unsigned long PDC_get_input_fd(void); + + Description: + PDC_get_input_fd() returns the file descriptor that PDCurses + reads its input from. It can be used for select(). + + Portability X/Open BSD SYS V + PDC_get_input_fd - - - + +**man-end****************************************************************/ + +#ifdef EMXVIDEO +# include <termios.h> +static int tahead = -1; +#else +static KBDINFO kbdinfo; /* default keyboard mode */ +static HMOU mouse_handle = 0; +static MOUSE_STATUS old_mouse_status; +static USHORT old_shift = 0; +static bool key_pressed = FALSE; +static int mouse_events = 0; +#endif + +/************************************************************************ + * Table for key code translation of function keys in keypad mode * + * These values are for strict IBM keyboard compatibles only * + ************************************************************************/ + +static short key_table[] = +{ + -1, ALT_ESC, -1, 0, + -1, -1, -1, -1, + -1, -1, -1, -1, + -1, -1, ALT_BKSP, KEY_BTAB, + ALT_Q, ALT_W, ALT_E, ALT_R, + ALT_T, ALT_Y, ALT_U, ALT_I, + ALT_O, ALT_P, ALT_LBRACKET, ALT_RBRACKET, + ALT_ENTER, -1, ALT_A, ALT_S, + ALT_D, ALT_F, ALT_G, ALT_H, + ALT_J, ALT_K, ALT_L, ALT_SEMICOLON, + ALT_FQUOTE, ALT_BQUOTE, -1, ALT_BSLASH, + ALT_Z, ALT_X, ALT_C, ALT_V, + ALT_B, ALT_N, ALT_M, ALT_COMMA, + ALT_STOP, ALT_FSLASH, -1, ALT_PADSTAR, + -1, -1, -1, KEY_F(1), + KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), + KEY_F(6), KEY_F(7), KEY_F(8), KEY_F(9), + KEY_F(10), -1, -1, KEY_HOME, + KEY_UP, KEY_PPAGE, ALT_PADMINUS, KEY_LEFT, + KEY_B2, KEY_RIGHT, ALT_PADPLUS, KEY_END, + KEY_DOWN, KEY_NPAGE, KEY_IC, KEY_DC, + KEY_F(13), KEY_F(14), KEY_F(15), KEY_F(16), + KEY_F(17), KEY_F(18), KEY_F(19), KEY_F(20), + KEY_F(21), KEY_F(22), KEY_F(25), KEY_F(26), + KEY_F(27), KEY_F(28), KEY_F(29), KEY_F(30), + KEY_F(31), KEY_F(32), KEY_F(33), KEY_F(34), + KEY_F(37), KEY_F(38), KEY_F(39), KEY_F(40), + KEY_F(41), KEY_F(42), KEY_F(43), KEY_F(44), + KEY_F(45), KEY_F(46), -1, CTL_LEFT, + CTL_RIGHT, CTL_END, CTL_PGDN, CTL_HOME, + ALT_1, ALT_2, ALT_3, ALT_4, + ALT_5, ALT_6, ALT_7, ALT_8, + ALT_9, ALT_0, ALT_MINUS, ALT_EQUAL, + CTL_PGUP, KEY_F(11), KEY_F(12), KEY_F(23), + KEY_F(24), KEY_F(35), KEY_F(36), KEY_F(47), + KEY_F(48), CTL_UP, CTL_PADMINUS, CTL_PADCENTER, + CTL_PADPLUS, CTL_DOWN, CTL_INS, CTL_DEL, + CTL_TAB, CTL_PADSLASH, CTL_PADSTAR, ALT_HOME, + ALT_UP, ALT_PGUP, -1, ALT_LEFT, + -1, ALT_RIGHT, -1, ALT_END, + ALT_DOWN, ALT_PGDN, ALT_INS, ALT_DEL, + ALT_PADSLASH, ALT_TAB, ALT_PADENTER, -1 +}; + +unsigned long pdc_key_modifiers = 0L; + +unsigned long PDC_get_input_fd(void) +{ + PDC_LOG(("PDC_get_input_fd() - called\n")); + + return (unsigned long)fileno(stdin); +} + +#ifndef EMXVIDEO + +void PDC_get_keyboard_info(void) +{ + kbdinfo.cb = sizeof(kbdinfo); + KbdGetStatus(&kbdinfo, 0); +} + +void PDC_set_keyboard_default(void) +{ + KbdSetStatus(&kbdinfo, 0); +} + +#endif /* ifndef EMXVIDEO */ + +void PDC_set_keyboard_binary(bool on) +{ + PDC_LOG(("PDC_set_keyboard_binary() - called\n")); + +#ifndef EMXVIDEO + if (on) + { + kbdinfo.fsMask &= ~(KEYBOARD_ASCII_MODE); + kbdinfo.fsMask |= KEYBOARD_BINARY_MODE; + } + else + { + kbdinfo.fsMask &= ~(KEYBOARD_BINARY_MODE); + kbdinfo.fsMask |= KEYBOARD_ASCII_MODE; + } + + KbdSetStatus(&kbdinfo, 0); +#endif + +#ifdef HAVE_SIGNAL + signal(SIGBREAK, on ? SIG_IGN : SIG_DFL); +#endif +} + +/* check if a key or mouse event is waiting */ + +bool PDC_check_key(void) +{ +#if !defined(_MSC_VER) && !defined(EMXVIDEO) + KBDKEYINFO keyInfo = {0}; +#endif + +#ifdef EMXVIDEO + if (tahead == -1) /* Nothing typed yet */ + { + tahead = _read_kbd(0, 0, 0); + + /* Read additional */ + + if (tahead == 0) + tahead = _read_kbd(0, 1, 0) << 8; + } + + return (tahead != -1); +#else +# ifndef _MSC_VER + + KbdGetStatus(&kbdinfo, 0); + + if (mouse_handle) + { + MOUQUEINFO queue; + + MouGetNumQueEl(&queue, mouse_handle); + mouse_events = queue.cEvents; + + if (mouse_events) + return TRUE; + } + + if (old_shift && !kbdinfo.fsState) /* modifier released */ + { + if (!key_pressed && SP->return_key_modifiers) + return TRUE; + } + else if (!old_shift && kbdinfo.fsState) /* modifier pressed */ + key_pressed = FALSE; + + old_shift = kbdinfo.fsState; + + KbdPeek(&keyInfo, 0); /* peek at keyboard */ + return (keyInfo.fbStatus != 0); +# else + return kbhit(); +# endif +#endif +} + +#ifndef EMXVIDEO + +static int _process_mouse_events(void) +{ + MOUEVENTINFO event; + static const USHORT button_mask[] = {6, 96, 24}, + move_mask[] = {2, 32, 8}, + press_mask[] = {4, 64, 16}; + USHORT count = 1; + short shift_flags = 0; + int i; + + MouReadEventQue(&event, &count, mouse_handle); + mouse_events--; + + for (i = 0; i < 3; i++) + { + pdc_mouse_status.button[i] = + ((event.fs & move_mask[i]) ? BUTTON_MOVED : 0) | + ((event.fs & press_mask[i]) ? BUTTON_PRESSED : 0); + + /* PRESS events are sometimes mistakenly reported as MOVE + events. A MOVE should always follow a PRESS, so treat a MOVE + immediately after a RELEASE as a PRESS. */ + + if ((pdc_mouse_status.button[i] == BUTTON_MOVED) && + (old_mouse_status.button[i] == BUTTON_RELEASED)) + { + pdc_mouse_status.button[i] = BUTTON_PRESSED; + } + + if (pdc_mouse_status.button[i] == BUTTON_PRESSED && SP->mouse_wait) + { + /* Check for a click -- a PRESS followed immediately by a + release */ + + if (!mouse_events) + { + MOUQUEINFO queue; + + napms(SP->mouse_wait); + + MouGetNumQueEl(&queue, mouse_handle); + mouse_events = queue.cEvents; + } + + if (mouse_events) + { + MouReadEventQue(&event, &count, mouse_handle); + + if (!(event.fs & button_mask[i])) + pdc_mouse_status.button[i] = BUTTON_CLICKED; + } + } + } + + pdc_mouse_status.x = event.col; + pdc_mouse_status.y = event.row; + + pdc_mouse_status.changes = 0; + + for (i = 0; i < 3; i++) + { + if (old_mouse_status.button[i] != pdc_mouse_status.button[i]) + pdc_mouse_status.changes |= (1 << i); + + if (pdc_mouse_status.button[i] == BUTTON_MOVED) + { + /* Discard non-moved "moves" */ + + if (pdc_mouse_status.x == old_mouse_status.x && + pdc_mouse_status.y == old_mouse_status.y) + return -1; + + /* Motion events always flag the button as changed */ + + pdc_mouse_status.changes |= (1 << i); + pdc_mouse_status.changes |= PDC_MOUSE_MOVED; + break; + } + } + + old_mouse_status = pdc_mouse_status; + + /* Treat click events as release events for comparison purposes */ + + for (i = 0; i < 3; i++) + { + if (old_mouse_status.button[i] == BUTTON_CLICKED) + old_mouse_status.button[i] = BUTTON_RELEASED; + } + + /* Check for SHIFT/CONTROL/ALT */ + + if (kbdinfo.fsState & KBDSTF_ALT) + shift_flags |= BUTTON_ALT; + + if (kbdinfo.fsState & KBDSTF_CONTROL) + shift_flags |= BUTTON_CONTROL; + + if (kbdinfo.fsState & (KBDSTF_LEFTSHIFT|KBDSTF_RIGHTSHIFT)) + shift_flags |= BUTTON_SHIFT; + + if (shift_flags) + { + for (i = 0; i < 3; i++) + { + if (pdc_mouse_status.changes & (1 << i)) + pdc_mouse_status.button[i] |= shift_flags; + } + } + + old_shift = kbdinfo.fsState; + key_pressed = TRUE; + + SP->key_code = TRUE; + return KEY_MOUSE; +} + +#endif + +/* return the next available key or mouse event */ + +int PDC_get_key(void) +{ + int key, scan; +#ifndef EMXVIDEO + KBDKEYINFO keyInfo = {0}; +#endif + +#ifdef EMXVIDEO + if (tahead == -1) + { + tahead = _read_kbd(0, 1, 0); + + /* Read additional */ + + if (tahead == 0) + tahead = _read_kbd(0, 1, 0) << 8; + } + + key = tahead & 0xff; + scan = tahead >> 8; + pdc_key_modifiers = 0L; + + tahead = -1; +#else + pdc_key_modifiers = 0L; + + if (mouse_handle && mouse_events) + return _process_mouse_events(); + + if (old_shift && !kbdinfo.fsState) + { + key = -1; + + if (old_shift & KBDSTF_LEFTALT) + { + key = KEY_ALT_L; + } + else if (old_shift & KBDSTF_RIGHTALT) + { + key = KEY_ALT_R; + } + else if (old_shift & KBDSTF_LEFTCONTROL) + { + key = KEY_CONTROL_L; + } + else if (old_shift & KBDSTF_RIGHTCONTROL) + { + key = KEY_CONTROL_R; + } + else if (old_shift & KBDSTF_LEFTSHIFT) + { + key = KEY_SHIFT_L; + } + else if (old_shift & KBDSTF_RIGHTSHIFT) + { + key = KEY_SHIFT_R; + } + + key_pressed = FALSE; + old_shift = kbdinfo.fsState; + + SP->key_code = TRUE; + return key; + } + + KbdCharIn(&keyInfo, IO_WAIT, 0); /* get a character */ + + key = keyInfo.chChar; + scan = keyInfo.chScan; + + if (SP->save_key_modifiers) + { + if (keyInfo.fsState & KBDSTF_ALT) + pdc_key_modifiers |= PDC_KEY_MODIFIER_ALT; + + if (keyInfo.fsState & KBDSTF_CONTROL) + pdc_key_modifiers |= PDC_KEY_MODIFIER_CONTROL; + + if (keyInfo.fsState & KBDSTF_NUMLOCK_ON) + pdc_key_modifiers |= PDC_KEY_MODIFIER_NUMLOCK; + + if (keyInfo.fsState & (KBDSTF_LEFTSHIFT|KBDSTF_RIGHTSHIFT)) + pdc_key_modifiers |= PDC_KEY_MODIFIER_SHIFT; + } +#endif + if (scan == 0x1c && key == 0x0a) /* ^Enter */ + key = CTL_ENTER; + else if (scan == 0xe0 && key == 0x0d) /* PadEnter */ + key = PADENTER; + else if (scan == 0xe0 && key == 0x0a) /* ^PadEnter */ + key = CTL_PADENTER; + else if (scan == 0x37 && key == 0x2a) /* Star */ + key = PADSTAR; + else if (scan == 0x4a && key == 0x2d) /* Minus */ + key = PADMINUS; + else if (scan == 0x4e && key == 0x2b) /* Plus */ + key = PADPLUS; + else if (scan == 0xe0 && key == 0x2f) /* Slash */ + key = PADSLASH; + else if (key == 0x00 || (key == 0xe0 && scan > 53 && scan != 86)) + key = (scan > 0xa7) ? -1 : key_table[scan]; + + if (keyInfo.fsState & (KBDSTF_LEFTSHIFT|KBDSTF_RIGHTSHIFT)) + { + switch (key) + { + case KEY_HOME: /* Shift Home */ + key = KEY_SHOME; + break; + case KEY_UP: /* Shift Up */ + key = KEY_SUP; + break; + case KEY_PPAGE: /* Shift PgUp */ + key = KEY_SPREVIOUS; + break; + case KEY_LEFT: /* Shift Left */ + key = KEY_SLEFT; + break; + case KEY_RIGHT: /* Shift Right */ + key = KEY_SRIGHT; + break; + case KEY_END: /* Shift End */ + key = KEY_SEND; + break; + case KEY_DOWN: /* Shift Down */ + key = KEY_SDOWN; + break; + case KEY_NPAGE: /* Shift PgDn */ + key = KEY_SNEXT; + break; + case KEY_IC: /* Shift Ins */ + key = KEY_SIC; + break; + case KEY_DC: /* Shift Del */ + key = KEY_SDC; + } + } + + key_pressed = TRUE; + SP->key_code = ((unsigned)key >= 256); + + return key; +} + +/* discard any pending keyboard or mouse input -- this is the core + routine for flushinp() */ + +void PDC_flushinp(void) +{ + PDC_LOG(("PDC_flushinp() - called\n")); + +#ifdef EMXVIDEO + tcflush(0, TCIFLUSH); +#else + if (mouse_handle) + MouFlushQue(mouse_handle); + + KbdFlushBuffer(0); +#endif +} + +int PDC_mouse_set(void) +{ +#ifndef EMXVIDEO + + unsigned long mbe = SP->_trap_mbe; + + if (mbe && !mouse_handle) + { + memset(&old_mouse_status, 0, sizeof(MOUSE_STATUS)); + MouOpen(NULL, &mouse_handle); + if (mouse_handle) + MouDrawPtr(mouse_handle); + } + else if (!mbe && mouse_handle) + { + MouClose(mouse_handle); + mouse_handle = 0; + } + + if (mbe && mouse_handle) + { + USHORT mask = ((mbe & (BUTTON1_PRESSED | BUTTON1_CLICKED | + BUTTON1_MOVED)) ? 6 : 0) | + + ((mbe & (BUTTON3_PRESSED | BUTTON3_CLICKED | + BUTTON3_MOVED)) ? 24 : 0) | + + ((mbe & (BUTTON2_PRESSED | BUTTON2_CLICKED | + BUTTON2_MOVED)) ? 96 : 0); + + MouSetEventMask(&mask, mouse_handle); + } +#endif + return OK; +} + +int PDC_modifiers_set(void) +{ + key_pressed = FALSE; + + return OK; +} |