323 строки
7.6 KiB
C
323 строки
7.6 KiB
C
/* Keyboard support routines.
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for Windows NT system.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Bugs:
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Have trouble with non-US keyboards, "Alt-gr"+keys (API tells CTRL-ALT is pressed)
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*/
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#include <config.h>
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#ifndef _OS_NT
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#error "This file is for Win32 systems only"
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#else
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#include <windows.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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#include "trace_nt.h"
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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 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), VK_F1 },
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{ KEY_F(2), VK_F2 },
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{ KEY_F(3), VK_F3 },
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{ KEY_F(4), VK_F4 },
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{ KEY_F(5), VK_F5 },
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{ KEY_F(6), VK_F6 },
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{ KEY_F(7), VK_F7 },
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{ KEY_F(8), VK_F8 },
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{ KEY_F(9), VK_F9 },
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{ KEY_F(10), VK_F10 },
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{ KEY_F(11), VK_F11 },
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{ KEY_F(12), VK_F12 },
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{ KEY_F(13), VK_F13 },
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{ KEY_F(14), VK_F14 },
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{ KEY_F(15), VK_F15 },
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{ KEY_F(16), VK_F16 },
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{ KEY_F(17), VK_F17 },
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{ KEY_F(18), VK_F18 },
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{ KEY_F(19), VK_F19 },
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{ KEY_F(20), VK_F20 },
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{ KEY_IC, VK_INSERT },
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{ KEY_DC, VK_DELETE },
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{ KEY_BACKSPACE, VK_BACK },
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{ KEY_PPAGE, VK_PRIOR },
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{ KEY_NPAGE, VK_NEXT },
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{ KEY_LEFT, VK_LEFT },
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{ KEY_RIGHT, VK_RIGHT },
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{ KEY_UP, VK_UP },
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{ KEY_DOWN, VK_DOWN },
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{ KEY_HOME, VK_HOME },
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{ KEY_END, VK_END },
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{ ALT('*'), VK_MULTIPLY },
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{ ALT('+'), VK_ADD },
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{ ALT('-'), VK_SUBTRACT },
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{ ALT('\t'), VK_PAUSE }, /* Added to make Complete work press Pause */
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{ ESC_CHAR, VK_ESCAPE },
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{ 0, 0}
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};
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/* init_key - Called in main.c to initialize ourselves
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Get handle to console input
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*/
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void init_key (void)
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{
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win32APICALL_HANDLE (hConsoleInput, GetStdHandle (STD_INPUT_HANDLE));
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}
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int ctrl_pressed ()
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{
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if(dwSaved_ControlState & RIGHT_ALT_PRESSED) return 0;
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/* The line above fixes the BUG with the AltGr Keys*/
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return dwSaved_ControlState & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED);
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}
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int shift_pressed ()
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{
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return dwSaved_ControlState & SHIFT_PRESSED;
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}
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int alt_pressed ()
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{
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return dwSaved_ControlState & (/* RIGHT_ALT_PRESSED |*/ LEFT_ALT_PRESSED );
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}
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static int VKtoCurses (int a_vkc)
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{
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int i;
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for (i = 0; fkt_table[i].vkcode != 0; i++)
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if (a_vkc == fkt_table[i].vkcode) {
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return fkt_table[i].key_code;
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}
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return 0;
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}
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static int translate_key_code(int asc, int scan)
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{
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int c;
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switch(scan){
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case 106: /* KP_MULT*/
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return ALT('*');
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case 107: /* KP_PLUS*/
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return ALT('+');
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case 109: /* KP_MINUS*/
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return ALT('-');
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}
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c = VKtoCurses (scan);
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if (!asc && !c)
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return 0;
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if (asc && c)
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return c;
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if (!asc || asc=='\t' )
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{
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if (shift_pressed() && (c >= KEY_F(1)) && (c <= KEY_F(10)))
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c += 10;
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if (alt_pressed() && (c >= KEY_F(1)) && (c <= KEY_F(2)))
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c += 10;
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if (alt_pressed() && (c == KEY_F(7)))
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c = ALT('?');
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if (asc == '\t'){
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if(ctrl_pressed())c = ALT('\t');
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else c=asc;
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}
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return c;
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}
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if (ctrl_pressed())
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return XCTRL(asc);
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if (alt_pressed())
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return ALT(asc);
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if (asc == 13)
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return 10;
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return asc;
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}
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int get_key_code (int no_delay)
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{
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INPUT_RECORD ir; /* Input record */
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DWORD dw; /* number of records actually read */
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int ch, vkcode, j;
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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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win32APICALL(PeekConsoleInput(hConsoleInput, &ir, 1, &dw));
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if (!dw)
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return 0;
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}
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do {
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win32APICALL(ReadConsoleInput(hConsoleInput, &ir, 1, &dw));
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switch (ir.EventType) {
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case KEY_EVENT:
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if (!ir.Event.KeyEvent.bKeyDown) /* Process key just once: when pressed */
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break;
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vkcode = ir.Event.KeyEvent.wVirtualKeyCode;
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//#ifndef __MINGW32__
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ch = ir.Event.KeyEvent.uChar.AsciiChar;
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//#else
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// ch = ir.Event.KeyEvent.AsciiChar;
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//#endif
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dwSaved_ControlState = ir.Event.KeyEvent.dwControlKeyState;
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j = translate_key_code (ch, vkcode);
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if (j)
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return j;
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break;
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case MOUSE_EVENT:
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/* Save event as a GPM-like event */
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evSaved_Event.x = ir.Event.MouseEvent.dwMousePosition.X;
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evSaved_Event.y = ir.Event.MouseEvent.dwMousePosition.Y+1;
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evSaved_Event.buttons = ir.Event.MouseEvent.dwButtonState;
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switch (ir.Event.MouseEvent.dwEventFlags) {
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case 0:
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evSaved_Event.type = GPM_DOWN | GPM_SINGLE;
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break;
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case MOUSE_MOVED:
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evSaved_Event.type = GPM_MOVE;
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break;
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case DOUBLE_CLICK:
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evSaved_Event.type = GPM_DOWN | GPM_DOUBLE;
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break;
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};
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return 0;
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}
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} while (!no_delay);
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return 0;
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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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/* Returns a character read from stdin with appropriate interpretation */
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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 flag; /* Return value from select */
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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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return EV_NONE; /* FIXME: mouse not supported */
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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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DWORD dw;
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if (GetNumberOfConsoleInputEvents (hConsoleInput, &dw))
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if (dw > 15)
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return 0;
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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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int retval = 0;
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if (dwSaved_ControlState & LEFT_ALT_PRESSED) /* code is not clean, because we return Linux-like bitcodes*/
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retval |= ALTL_PRESSED;
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if (dwSaved_ControlState & RIGHT_ALT_PRESSED)
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retval |= ALTR_PRESSED;
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if (dwSaved_ControlState & RIGHT_CTRL_PRESSED ||
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dwSaved_ControlState & LEFT_CTRL_PRESSED)
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retval |= CONTROL_PRESSED;
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if (dwSaved_ControlState & SHIFT_PRESSED)
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retval |= SHIFT_PRESSED;
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return retval;
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}
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/* void functions for UNIX compatibility */
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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 /* _OS_NT */
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