mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-23 21:06:52 +03:00
441 lines
11 KiB
C
441 lines
11 KiB
C
/* 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 "mouse.h"
|
|
#include "global.h"
|
|
#include "main.h"
|
|
#include "key.h"
|
|
#include "../vfs/vfs.h"
|
|
#include "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 }, // Insert
|
|
{ KEY_DC, 0x53 }, // Delete
|
|
{ KEY_PPAGE, 0x49 }, // PAGEUP
|
|
{ KEY_NPAGE, 0x51 }, // PAGEDOWN
|
|
{ KEY_LEFT, 0x4B }, // left
|
|
{ KEY_RIGHT, 0x4D }, // right
|
|
{ KEY_UP, 0x48 }, // up
|
|
{ KEY_DOWN, 0x50 }, // down
|
|
{ KEY_HOME, 0x47 }, // HOME, Pos1
|
|
{ KEY_END, 0x4F }, // Ende
|
|
{ 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;
|
|
}
|
|
|
|
void define_sequence (int code, char* vkcode, int action)
|
|
{
|
|
}
|
|
|
|
static int *pending_keys;
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
/* .ado: I don't know what these codes mean: */
|
|
#if 0
|
|
if (pending_keys) {
|
|
int d = *pending_keys++;
|
|
if (!*pending_keys){
|
|
pending_keys = 0;
|
|
seq_append = 0;
|
|
}
|
|
return VKtoCurses(d);
|
|
}
|
|
#endif
|
|
|
|
/* .ado: We have already the key-code */
|
|
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 shiftState = 0;
|
|
int ctrlState = 0;
|
|
int altState = 0;
|
|
int altGRState = 0;
|
|
|
|
int fsState = 0;
|
|
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);
|
|
|
|
// SHIFT pressed?
|
|
shiftState = ((fsState & RIGHT_SHIFT_PRESSED) || (fsState & LEFT_SHIFT_PRESSED));
|
|
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 flag; /* Return value from select */
|
|
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 */
|
|
#ifdef HAVE_SLANG
|
|
// SLms_GetEvent (event);
|
|
*event = evSaved_Event;
|
|
#else
|
|
ms_GetEvent (event); /* my curses */
|
|
#endif
|
|
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 try_channels (int set_timeout)
|
|
{
|
|
}
|
|
void channels_up()
|
|
{
|
|
}
|
|
void channels_down()
|
|
{
|
|
}
|
|
void init_key_input_fd (void)
|
|
{
|
|
}
|
|
/* mouse is not yet supported, sorry */
|
|
void init_mouse (void) {}
|
|
void shut_mouse (void) {}
|
|
|
|
#endif /* __os2__ */
|