mirror of https://github.com/MidnightCommander/mc
311 lines
7.0 KiB
C
311 lines
7.0 KiB
C
/* Keyboard support routines.
|
|
for Windows NT system.
|
|
|
|
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.
|
|
|
|
Bugs:
|
|
Have trouble with non-US keyboards, "Alt-gr"+keys (API tells CTRL-ALT is pressed)
|
|
*/
|
|
#include <config.h>
|
|
#ifndef _OS_NT
|
|
#error This file is for Win32 systems.
|
|
#else
|
|
|
|
#include <windows.h>
|
|
#include <stdio.h>
|
|
#include "mouse.h"
|
|
#include "global.h"
|
|
#include "main.h"
|
|
#include "key.h"
|
|
#include "../vfs/vfs.h"
|
|
#include "tty.h"
|
|
#include "util.debug.h"
|
|
|
|
/* 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 Tables */
|
|
struct {
|
|
int key_code;
|
|
int vkcode;
|
|
} key_table [] = {
|
|
{ KEY_F(1), VK_F1 },
|
|
{ KEY_F(2), VK_F2 },
|
|
{ KEY_F(3), VK_F3 },
|
|
{ KEY_F(4), VK_F4 },
|
|
{ KEY_F(5), VK_F5 },
|
|
{ KEY_F(6), VK_F6 },
|
|
{ KEY_F(7), VK_F7 },
|
|
{ KEY_F(8), VK_F8 },
|
|
{ KEY_F(9), VK_F9 },
|
|
{ KEY_F(10), VK_F10 },
|
|
{ KEY_F(11), VK_F11 },
|
|
{ KEY_F(12), VK_F12 },
|
|
{ KEY_F(13), VK_F13 },
|
|
{ KEY_F(14), VK_F14 },
|
|
{ KEY_F(15), VK_F15 },
|
|
{ KEY_F(16), VK_F16 },
|
|
{ KEY_F(17), VK_F17 },
|
|
{ KEY_F(18), VK_F18 },
|
|
{ KEY_F(19), VK_F19 },
|
|
{ KEY_F(20), VK_F20 },
|
|
{ KEY_IC, VK_INSERT },
|
|
{ KEY_DC, VK_DELETE },
|
|
{ KEY_BACKSPACE, VK_BACK },
|
|
|
|
{ KEY_PPAGE, VK_PRIOR }, // Movement keys
|
|
{ KEY_NPAGE, VK_NEXT },
|
|
{ KEY_LEFT, VK_LEFT },
|
|
{ KEY_RIGHT, VK_RIGHT },
|
|
{ KEY_UP, VK_UP },
|
|
{ KEY_DOWN, VK_DOWN },
|
|
{ KEY_HOME, VK_HOME },
|
|
{ KEY_END, VK_END },
|
|
|
|
{ ALT('*'), VK_MULTIPLY }, // Numeric pad
|
|
{ ALT('+'), VK_ADD },
|
|
{ ALT('-'), VK_SUBTRACT },
|
|
|
|
{ ESC_CHAR, VK_ESCAPE }, /* ESC */
|
|
|
|
{ 0, 0}
|
|
};
|
|
|
|
/* init_key - Called in main.c to initialize ourselves
|
|
Get handle to console input
|
|
*/
|
|
void init_key (void)
|
|
{
|
|
win32APICALL_HANDLE (hConsoleInput, GetStdHandle (STD_INPUT_HANDLE));
|
|
}
|
|
|
|
int ctrl_pressed ()
|
|
{
|
|
return dwSaved_ControlState & (RIGHT_CTRL_PRESSED | LEFT_CTRL_PRESSED);
|
|
}
|
|
|
|
int shift_pressed ()
|
|
{
|
|
return dwSaved_ControlState & SHIFT_PRESSED;
|
|
}
|
|
|
|
int alt_pressed ()
|
|
{
|
|
return dwSaved_ControlState & (RIGHT_ALT_PRESSED | LEFT_ALT_PRESSED);
|
|
}
|
|
|
|
static int VKtoCurses (int a_vkc)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; key_table[i].vkcode != 0; i++)
|
|
if (a_vkc == key_table[i].vkcode) {
|
|
return key_table[i].key_code;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int translate_key_code(int asc, int scan)
|
|
{
|
|
int c;
|
|
c = VKtoCurses (scan);
|
|
if (!asc && !c)
|
|
return 0;
|
|
if (asc && c)
|
|
return c;
|
|
if (!asc)
|
|
{
|
|
if (shift_pressed() && (c >= KEY_F(1)) && (c <= KEY_F(10)))
|
|
c += 10;
|
|
if (alt_pressed() && (c >= KEY_F(1)) && (c <= KEY_F(2)))
|
|
c += 10;
|
|
if (alt_pressed() && (c == KEY_F(7)))
|
|
c = ALT('?');
|
|
if (ctrl_pressed() && c == '\t')
|
|
c = ALT('\t');
|
|
return c;
|
|
}
|
|
if (ctrl_pressed())
|
|
return XCTRL(asc);
|
|
if (alt_pressed())
|
|
return ALT(asc);
|
|
if (asc == 13)
|
|
return 10;
|
|
return asc;
|
|
}
|
|
|
|
int get_key_code (int no_delay)
|
|
{
|
|
INPUT_RECORD ir; /* Input record */
|
|
DWORD dw; /* number of records actually read */
|
|
int ch, vkcode, j;
|
|
|
|
if (no_delay) {
|
|
/* Check if any input pending, otherwise return */
|
|
nodelay (stdscr, TRUE);
|
|
win32APICALL(PeekConsoleInput(hConsoleInput, &ir, 1, &dw));
|
|
if (!dw)
|
|
return 0;
|
|
}
|
|
|
|
do {
|
|
win32APICALL(ReadConsoleInput(hConsoleInput, &ir, 1, &dw));
|
|
switch (ir.EventType) {
|
|
case KEY_EVENT:
|
|
if (!ir.Event.KeyEvent.bKeyDown) /* Process key just once: when pressed */
|
|
break;
|
|
|
|
vkcode = ir.Event.KeyEvent.wVirtualKeyCode;
|
|
ch = ir.Event.KeyEvent.uChar.AsciiChar;
|
|
dwSaved_ControlState = ir.Event.KeyEvent.dwControlKeyState;
|
|
j = translate_key_code (ch, vkcode);
|
|
if (j)
|
|
return j;
|
|
break;
|
|
|
|
case MOUSE_EVENT:
|
|
// Save event as a GPM-like event
|
|
evSaved_Event.x = ir.Event.MouseEvent.dwMousePosition.X;
|
|
evSaved_Event.y = ir.Event.MouseEvent.dwMousePosition.Y+1;
|
|
evSaved_Event.buttons = ir.Event.MouseEvent.dwButtonState;
|
|
switch (ir.Event.MouseEvent.dwEventFlags) {
|
|
case 0:
|
|
evSaved_Event.type = GPM_DOWN | GPM_SINGLE;
|
|
break;
|
|
case MOUSE_MOVED:
|
|
evSaved_Event.type = GPM_MOVE;
|
|
break;
|
|
case DOUBLE_CLICK:
|
|
evSaved_Event.type = GPM_DOWN | GPM_DOUBLE;
|
|
break;
|
|
};
|
|
return 0;
|
|
}
|
|
} while (!no_delay);
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/* Returns a character read from stdin with appropriate interpretation */
|
|
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 */
|
|
return EV_NONE; /* FIXME: mouse not supported */
|
|
}
|
|
|
|
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)
|
|
{
|
|
DWORD dw;
|
|
if (GetNumberOfConsoleInputEvents (hConsoleInput, &dw))
|
|
if (dw > 15)
|
|
return 0;
|
|
return 1;
|
|
}
|
|
|
|
/* get_modifier */
|
|
int get_modifier()
|
|
{
|
|
int retval = 0;
|
|
|
|
if (dwSaved_ControlState & LEFT_ALT_PRESSED) /* code is not clean, because we return Linux-like bitcodes*/
|
|
retval |= ALTL_PRESSED;
|
|
if (dwSaved_ControlState & RIGHT_ALT_PRESSED)
|
|
retval |= ALTR_PRESSED;
|
|
|
|
if (dwSaved_ControlState & RIGHT_CTRL_PRESSED ||
|
|
dwSaved_ControlState & LEFT_CTRL_PRESSED)
|
|
retval |= CONTROL_PRESSED;
|
|
|
|
if (dwSaved_ControlState & SHIFT_PRESSED)
|
|
retval |= SHIFT_PRESSED;
|
|
|
|
return retval;
|
|
}
|
|
|
|
/* void functions for UNIX compatibility */
|
|
void define_sequence (int code, char* vkcode, int action)
|
|
{
|
|
}
|
|
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 /* _OS_NT */
|