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coreboot-kgpe-d16/payloads/libpayload/curses/PDCurses-3.4/os2/pdckbd.c
Patrick Georgi 3b77b723ca libpayload: Add PDCurses and ncurses' libform/libmenu 
PDCurses provides an alternative implementation of the curses library
standard in addition to tinycurses.
Where tinycurses is really tiny, PDCurses is more complete and provides
virtually unlimited windows and the full API.
The PDCurses code is brought in "vanilla", with all local changes
residing in curses/pdcurses-backend/

In addition to a curses library, this change also provides libpanel (as
part of the PDCurses code), and libform and libmenu which were derived
from ncurses-5.9.
As they rely on ncurses internals (and PDCurses is not ncurses), more
changes were required for these libraries to work.

The build system is extended to install the right set of header files
depending on the selected curses implementation.

Change-Id: I9e5b920f94b6510da01da2f656196a993170d1c5
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/106
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
2011-08-04 08:10:41 +02:00

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/* 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;
}
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