mirror of
https://github.com/mpv-player/mpv
synced 2024-12-30 11:02:10 +00:00
102 lines
3.1 KiB
C
102 lines
3.1 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include "osdep/timer.h"
|
|
#include "input/input.h"
|
|
#include "input/mouse.h"
|
|
#include "mp_fifo.h"
|
|
#include "talloc.h"
|
|
#include "options.h"
|
|
|
|
|
|
struct mp_fifo {
|
|
struct MPOpts *opts;
|
|
int *data;
|
|
int readpos;
|
|
int writepos;
|
|
int size;
|
|
unsigned last_key_time[2];
|
|
int last_key[2];
|
|
};
|
|
|
|
struct mp_fifo *mp_fifo_create(struct MPOpts *opts)
|
|
{
|
|
struct mp_fifo *fifo = talloc_zero(NULL, struct mp_fifo);
|
|
fifo->opts = opts;
|
|
fifo->size = opts->key_fifo_size;
|
|
fifo->data = talloc_array_ptrtype(fifo, fifo->data, fifo->size);
|
|
return fifo;
|
|
}
|
|
|
|
static void mplayer_put_key_internal(struct mp_fifo *fifo, int code)
|
|
{
|
|
int fifo_free = fifo->readpos - fifo->writepos - 1;
|
|
if (fifo_free < 0)
|
|
fifo_free += fifo->size;
|
|
if (!fifo_free)
|
|
return; // FIFO FULL!!
|
|
// reserve some space for key release events to avoid stuck keys
|
|
if((code & MP_KEY_DOWN) && fifo_free < (fifo->size >> 1))
|
|
return;
|
|
fifo->data[fifo->writepos++] = code;
|
|
fifo->writepos %= fifo->size;
|
|
}
|
|
|
|
int mplayer_get_key(void *ctx, int fd)
|
|
{
|
|
struct mp_fifo *fifo = ctx;
|
|
if (fifo->writepos == fifo->readpos)
|
|
return MP_INPUT_NOTHING;
|
|
int key = fifo->data[fifo->readpos++];
|
|
fifo->readpos %= fifo->size;
|
|
return key;
|
|
}
|
|
|
|
static void put_double(struct mp_fifo *fifo, int code)
|
|
{
|
|
if (code >= MOUSE_BTN0 && code <= MOUSE_BTN9)
|
|
mplayer_put_key_internal(fifo, code - MOUSE_BTN0 + MOUSE_BTN0_DBL);
|
|
}
|
|
|
|
void mplayer_put_key(struct mp_fifo *fifo, int code)
|
|
{
|
|
unsigned now = GetTimerMS();
|
|
int doubleclick_time = fifo->opts->doubleclick_time;
|
|
// ignore system-doubleclick if we generate these events ourselves
|
|
if (doubleclick_time
|
|
&& (code & ~MP_KEY_DOWN) >= MOUSE_BTN0_DBL
|
|
&& (code & ~MP_KEY_DOWN) <= MOUSE_BTN9_DBL)
|
|
return;
|
|
mplayer_put_key_internal(fifo, code);
|
|
if (code & MP_KEY_DOWN) {
|
|
code &= ~MP_KEY_DOWN;
|
|
fifo->last_key[1] = fifo->last_key[0];
|
|
fifo->last_key[0] = code;
|
|
fifo->last_key_time[1] = fifo->last_key_time[0];
|
|
fifo->last_key_time[0] = now;
|
|
if (fifo->last_key[1] == code
|
|
&& now - fifo->last_key_time[1] < doubleclick_time)
|
|
put_double(fifo, code);
|
|
return;
|
|
}
|
|
if (fifo->last_key[0] == code && fifo->last_key[1] == code
|
|
&& now - fifo->last_key_time[1] < doubleclick_time)
|
|
put_double(fifo, code);
|
|
}
|