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mc/pc/key_os2.c

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/* Keyboard support routines.
for OS/2 system.
20. April 97: Alexander Dong (ado)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <config.h>
#ifndef __os2__
#error This file is for OS/2 systems.
#else
#define INCL_BASE
#define INCL_NOPM
#define INCL_VIO
#define INCL_KBD
#define INCL_DOS
#define INCL_DOSERRORS
#define INCL_WININPUT
#include <os2.h>
#include <stdio.h>
#include "../src/mouse.h"
#include "../src/global.h"
#include "../src/main.h"
#include "../src/key.h"
#include "../vfs/vfs.h"
#include "../src/tty.h"
/* Code to read keystrokes in a separate thread */
typedef struct kbdcodes {
UCHAR ascii;
UCHAR scan;
USHORT shift; /* .ado: change for mc */
} KBDCODES;
/* Global variables */
int old_esc_mode = 0;
/* HANDLE hConsoleInput;
DWORD dwSaved_ControlState; */
Gpm_Event evSaved_Event;
/* Unused variables */
int double_click_speed; /* they are here to keep linker happy */
int mou_auto_repeat;
int use_8th_bit_as_meta = 0;
static int VKtoCurses (int vkcode);
/* -------------------------------------------------------------- */
/* DEFINITIONS:
Return from SLANG: KeyCode: 0xaaaabbcc
where: aaaa = Flags
bb = Scan code
cc = ASCII-code (if available)
if no flags (CTRL and ALT) is set, cc will be returned.
If CTRL is pressed, cc is already the XCTRL(code).
case cc is:
0xE0: The scan code will be used for the following keys:
Insert: 0x52, DEL: 0x53,
Page_Up: 0x49, Page_Down: 0x51,
Pos1: 0x47, Ende: 0x4F,
Up: 0x48, Down: 0x50,
Left: 0x4B, Right: 0x4D,
0x00: The function keys are defined as:
F1: 3b00, F2: 3c00 ... F10: 4400, F11: 8500, F12: 8600.
With ALT-bit set:
ALT(F1): 6800, 6900,... ALT(F10): 7100, ALT(F11): 8b00
ALT(F12): 8c00
Mapping for ALT(key_code):
For Mapping with normal keys, only the scan code can be
used. (see struct ALT_table)
Special keys:
ENTER (number block): 0xaaaaE00D
+ (number block): 0xaaaa4E2B Normal: 1B2B
- (number block): 0xaaaa4A2D Normal: 352D
* (number block): 0xaaaa372A Normal: 1B2A
/ (number block): 0xaaaaE02F
*/
/* -------------------------------------------------------------- */
#define RIGHT_SHIFT_PRESSED 1
#define LEFT_SHIFT_PRESSED 2
#define CTRL_PRESSED 4
#define ALT_PRESSED 8
#define SCROLL_LOCK_MODE 16
#define NUM_LOCK_MODE 32
#define CAPS_LOCK_MODE 64
#define INSERT_MODE 128
#define LEFT_CTRL_PRESSED 256
#define LEFT_ALT_PRESSED 512
#define RIGHT_CTRL_PRESSED 1024
#define RIGHT_ALT_PRESSED 2048
#define SCROLL_LOCK_PRESSED 4096
#define NUM_LOCK_PRESSED 8192
#define CAPS_LOCK_PRESSED 16384
#define SYSREQ 32768
/* -------------------------------------------------------------- */
/* Static Tables */
struct {
int key_code;
int vkcode;
} fkt_table [] = {
{ KEY_F(1), 0x3B },
{ KEY_F(2), 0x3C },
{ KEY_F(3), 0x3D },
{ KEY_F(4), 0x3E },
{ KEY_F(5), 0x3F },
{ KEY_F(6), 0x40 },
{ KEY_F(7), 0x41 },
{ KEY_F(8), 0x42 },
{ KEY_F(9), 0x43 },
{ KEY_F(10), 0x44 },
{ KEY_F(11), 0x85 },
{ KEY_F(12), 0x86 },
{ 0, 0}
};
struct {
int key_code;
int vkcode;
} ALT_table [] = {
{ ALT('a'), 0x1E },
{ ALT('b'), 0x30 },
{ ALT('c'), 0x2E },
{ ALT('d'), 0x20 },
{ ALT('e'), 0x12 },
{ ALT('f'), 0x21 },
{ ALT('g'), 0x22 },
{ ALT('h'), 0x23 },
{ ALT('i'), 0x17 },
{ ALT('j'), 0x24 },
{ ALT('k'), 0x25 },
{ ALT('l'), 0x26 },
{ ALT('m'), 0x32 },
{ ALT('n'), 0x31 },
{ ALT('o'), 0x18 },
{ ALT('p'), 0x19 },
{ ALT('q'), 0x10 },
{ ALT('r'), 0x13 },
{ ALT('s'), 0x1F },
{ ALT('t'), 0x14 },
{ ALT('u'), 0x16 },
{ ALT('v'), 0x2F },
{ ALT('w'), 0x11 },
{ ALT('x'), 0x2D },
{ ALT('y'), 0x15 },
{ ALT('z'), 0x2C },
{ ALT('\n'), 0x1c },
{ ALT('\n'), 0xA6 },
{ ALT(KEY_F(1)), 0x68 },
{ ALT(KEY_F(2)), 0x69 },
{ ALT(KEY_F(3)), 0x6A },
{ ALT(KEY_F(4)), 0x6B },
{ ALT(KEY_F(5)), 0x6C },
{ ALT(KEY_F(6)), 0x6D },
{ ALT(KEY_F(7)), 0x6E },
{ ALT(KEY_F(8)), 0x6F },
{ ALT(KEY_F(9)), 0x70 },
{ ALT(KEY_F(10)), 0x71 },
{ ALT(KEY_F(11)), 0x8B },
{ ALT(KEY_F(12)), 0x8C },
{ 0, 0}
};
struct {
int key_code;
int vkcode;
} movement [] = {
{ KEY_IC, 0x52 },
{ KEY_DC, 0x53 },
{ KEY_PPAGE, 0x49 },
{ KEY_NPAGE, 0x51 },
{ KEY_LEFT, 0x4B },
{ KEY_RIGHT, 0x4D },
{ KEY_UP, 0x48 },
{ KEY_DOWN, 0x50 },
{ KEY_HOME, 0x47 },
{ KEY_END, 0x4F },
{ 0, 0}
};
/* init_key -- to make linker happy */
void init_key (void)
{
return;
}
/* The maximum sequence length (32 + null terminator) */
static int seq_buffer[33];
static int *seq_append = 0;
static int push_char (int c)
{
if (!seq_append)
seq_append = seq_buffer;
if (seq_append == &(seq_buffer [sizeof (seq_buffer)-2]))
return 0;
*(seq_append++) = c;
*seq_append = 0;
return 1;
}
int get_key_code (int no_delay)
{
unsigned int inp_ch;
if (no_delay) {
/* Check if any input pending, otherwise return */
nodelay (stdscr, TRUE);
inp_ch = SLang_input_pending(0);
if (inp_ch == 0) {
return 0;
}
}
if (no_delay) {
return (VKtoCurses(inp_ch));
}
do {
inp_ch = SLang_getkey();
if (!inp_ch)
inp_ch = (SLang_getkey() << 8);
if (inp_ch) return (VKtoCurses(inp_ch));
} while (!no_delay);
return 0;
}
static int VKtoCurses (int a_vkc)
{
int ctrlState = 0;
int altState = 0;
int fsState;
char scanCode;
char asciiCode;
register int i;
int rtnCode = 0;
fsState = (a_vkc & 0xFFFF0000) >> 16;
fsState &= (~INSERT_MODE); /* Ignore Insertion mode */
scanCode = (char) ((a_vkc & 0x0000FFFF) >> 8);
asciiCode = (char) (a_vkc & 0x000000FF);
ctrlState = (fsState & CTRL_PRESSED);
altState = (fsState & ALT_PRESSED);
rtnCode = asciiCode;
if (ctrlState) {
/* CTRL pressed */
rtnCode = XCTRL(asciiCode);
}
if (altState) {
/* ALT pressed
* rtnCode = ALT(asciiCode);
*
* With German keyboards, the Values between 7B -> 7D
* and 5b, 5d, 40, fd, fc and e6 are only reachable with the AltGr
* key. If such a combination is used, asciiCode will not be zero.
* With the normal ALT key, the asciiCode will always be zero.
*/
if (asciiCode) {
return asciiCode;
}
}
/* Scan Movement codes */
if (asciiCode == 0) {
/* Replace key code with that in table */
for (i=0; movement[i].vkcode != 0 || movement[i].key_code != 0; i++)
if (scanCode == movement[i].vkcode)
return (movement[i].key_code);
}
if (asciiCode == 0) {
/* Function-key detected */
for (i=0; fkt_table[i].vkcode != 0 || fkt_table[i].key_code != 0; i++)
if (scanCode == fkt_table[i].vkcode)
return (fkt_table[i].key_code);
/* ALT - KEY */
/* if (altState) */ {
for (i=0; ALT_table[i].vkcode != 0 || ALT_table[i].key_code != 0; i++)
if (scanCode == ALT_table[i].vkcode)
return (ALT_table[i].key_code);
}
}
if (asciiCode == 0x0d) {
return '\n';
}
return rtnCode;
}
static int getch_with_delay (void)
{
int c;
while (1) {
/* Try to get a character */
c = get_key_code (0);
if (c != ERR)
break;
}
/* Success -> return the character */
return c;
}
int get_event (Gpm_Event *event, int redo_event, int block)
{
int c;
static int dirty = 3;
if ((dirty == 1) || is_idle ()){
refresh ();
doupdate ();
dirty = 1;
} else
dirty++;
vfs_timeout_handler ();
c = block ? getch_with_delay () : get_key_code (1);
if (!c) {
/* Code is 0, so this is a Control key or mouse event */
*event = evSaved_Event;
return EV_NONE; /* FIXME: when should we return EV_MOUSE ? */
}
return c;
}
/* Returns a key press, mouse events are discarded */
int mi_getch ()
{
Gpm_Event ev;
int key;
while ((key = get_event (&ev, 0, 1)) == 0)
;
return key;
}
/*
is_idle - A function to check if we're idle.
It checks for any waiting event (that can be a Key, Mouse event,
and other internal events like focus or menu)
*/
int is_idle (void)
{
return 1;
}
/* get_modifier */
int get_modifier()
{
return 0;
}
int ctrl_pressed ()
{
return 0;
}
/* void functions for UNIX copatibility */
void define_sequence (int code, char* vkcode, int action) {}
void channels_up() {}
void channels_down() {}
void init_key_input_fd (void) {}
void numeric_keypad_mode (void) {}
void application_keypad_mode (void) {}
/* mouse is not yet supported, sorry */
void init_mouse (void) {}
void shut_mouse (void) {}
#endif /* __os2__ */
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