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/* Windows TermIO
*
* copyright (C) 2003 Sascha Sommer
*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
// See http://msdn.microsoft.com/library/default.asp?url=/library/en-us/winui/WinUI/WindowsUserInterface/UserInput/VirtualKeyCodes.asp
// for additional virtual keycodes
#include "config.h"
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <windows.h>
#include "mpvcore/input/keycodes.h"
#include "mpvcore/input/input.h"
#include "getch2.h"
int mp_input_slave_cmd_func(int fd, char *dest, int size)
{
DWORD retval;
HANDLE in = GetStdHandle(STD_INPUT_HANDLE);
if (PeekNamedPipe(in, NULL, size, &retval, NULL, NULL)) {
if (size > retval)
size = retval;
} else {
if (WaitForSingleObject(in, 0))
size = 0;
}
if (!size)
return MP_INPUT_NOTHING;
ReadFile(in, dest, size, &retval, NULL);
if (retval)
return retval;
return MP_INPUT_NOTHING;
}
int screen_width = 80;
int screen_height = 24;
char *erase_to_end_of_line = NULL;
void get_screen_size(void)
{
CONSOLE_SCREEN_BUFFER_INFO cinfo;
if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &cinfo)) {
screen_width = cinfo.dwMaximumWindowSize.X;
screen_height = cinfo.dwMaximumWindowSize.Y;
}
}
int load_termcap(char *termtype)
{
return 0;
}
static HANDLE in;
static int getch2_status = 0;
static int getch2_internal(void)
{
INPUT_RECORD eventbuffer[128];
DWORD retval;
int i = 0;
if (!getch2_status) {
// supports e.g. MinGW xterm, unfortunately keys are only received after
// enter was pressed.
uint8_t c;
if (!PeekNamedPipe(in, NULL, 1, &retval, NULL, NULL) || !retval)
return -1;
ReadFile(in, &c, 1, &retval, NULL);
return retval == 1 ? c : -1;
}
/*check if there are input events*/
if (!GetNumberOfConsoleInputEvents(in, &retval)) {
printf("getch2: can't get number of input events: %i\n",
(int)GetLastError());
return -1;
}
if (retval <= 0)
return -1;
/*read all events*/
if (!ReadConsoleInput(in, eventbuffer, 128, &retval)) {
printf("getch: can't read input events\n");
return -1;
}
/*filter out keyevents*/
for (i = 0; i < retval; i++) {
switch (eventbuffer[i].EventType) {
case KEY_EVENT:
/*only a pressed key is interresting for us*/
if (eventbuffer[i].Event.KeyEvent.bKeyDown == TRUE) {
/*check for special keys*/
switch (eventbuffer[i].Event.KeyEvent.wVirtualKeyCode) {
case VK_HOME:
return MP_KEY_HOME;
case VK_END:
return MP_KEY_END;
case VK_DELETE:
return MP_KEY_DEL;
case VK_INSERT:
return MP_KEY_INS;
case VK_BACK:
return MP_KEY_BS;
case VK_PRIOR:
return MP_KEY_PGUP;
case VK_NEXT:
return MP_KEY_PGDWN;
case VK_RETURN:
return MP_KEY_ENTER;
case VK_ESCAPE:
return MP_KEY_ESC;
case VK_LEFT:
return MP_KEY_LEFT;
case VK_UP:
return MP_KEY_UP;
case VK_RIGHT:
return MP_KEY_RIGHT;
case VK_DOWN:
return MP_KEY_DOWN;
case VK_SHIFT:
continue;
}
/*check for function keys*/
if (0x87 >= eventbuffer[i].Event.KeyEvent.wVirtualKeyCode &&
eventbuffer[i].Event.KeyEvent.wVirtualKeyCode >= 0x70)
return MP_KEY_F + 1 +
eventbuffer[i].Event.KeyEvent.wVirtualKeyCode - 0x70;
/*only characters should be remaining*/
//printf("getch2: YOU PRESSED \"%c\" \n",eventbuffer[i].Event.KeyEvent.uChar.AsciiChar);
return eventbuffer[i].Event.KeyEvent.uChar.AsciiChar;
}
break;
case MOUSE_EVENT:
case WINDOW_BUFFER_SIZE_EVENT:
case FOCUS_EVENT:
case MENU_EVENT:
default:
//printf("getch2: unsupported event type");
break;
}
}
return -1;
}
bool getch2(struct input_ctx *ctx)
{
int r = getch2_internal();
if (r >= 0)
mp_input_put_key(ctx, r);
return true;
}
void getch2_poll(void)
{
}
void getch2_enable(void)
{
DWORD retval;
in = GetStdHandle(STD_INPUT_HANDLE);
if (!GetNumberOfConsoleInputEvents(in, &retval)) {
printf("getch2: %i can't get number of input events "
"[disabling console input]\n", (int)GetLastError());
getch2_status = 0;
} else
getch2_status = 1;
}
void getch2_disable(void)
{
if (!getch2_status)
return; // already disabled / never enabled
getch2_status = 0;
}
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