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