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/*
* (C) Gražvydas "notaz" Ignotas, 2011
*
* This work is licensed under the terms of any of these licenses
* (at your option):
* - GNU GPL, version 2 or later.
* - GNU LGPL, version 2.1 or later.
* See the COPYING file in the top-level directory.
*/
#include <stdio.h>
#include <tslib.h>
#include "common/input.h"
#include "pl_gun_ts.h"
#include "in_tsbutton.h"
#define IN_TSBUTTON_PREFIX "tsbutton:"
#define IN_TSBUTTON_COUNT 4
static int tsbutton_down_id;
static int last_tsbutton_id;
#define TS_WIDTH 320
#define TS_HEIGHT 240
// HACK: stealing this from plugin_lib
extern void *tsdev;
static const char * const in_tsbutton_keys[IN_TSBUTTON_COUNT] = {
"TS1", "TS2", "TS3", "TS4",
};
static void in_tsbutton_probe(void)
{
struct tsdev *dev = tsdev;
if (dev == NULL) {
fprintf(stderr, "in_tsbutton_probe: missing tsdev\n");
return;
}
in_register(IN_TSBUTTON_PREFIX "touchscreen as buttons",
pl_gun_ts_get_fd(dev), NULL, IN_TSBUTTON_COUNT, in_tsbutton_keys, 0);
}
static const char * const *
in_tsbutton_get_key_names(int *count)
{
*count = IN_TSBUTTON_COUNT;
return in_tsbutton_keys;
}
static int update_button(void)
{
struct tsdev *dev = tsdev;
int sx = 0, sy = 0, sp = 0;
if (dev == NULL)
return -1;
if (pl_gun_ts_update_raw(dev, &sx, &sy, &sp)) {
if (sp == 0)
tsbutton_down_id = -1;
else {
// 0 1
// 2 3
tsbutton_down_id = 0;
if (sx > TS_WIDTH / 2)
tsbutton_down_id++;
if (sy > TS_HEIGHT / 2)
tsbutton_down_id += 2;
}
}
return 0;
}
static int in_tsbutton_update(void *drv_data, const int *binds, int *result)
{
int ret, t;
ret = update_button();
if (ret != 0)
return ret;
if (tsbutton_down_id >= 0)
for (t = 0; t < IN_BINDTYPE_COUNT; t++)
result[t] |= binds[IN_BIND_OFFS(tsbutton_down_id, t)];
return 0;
}
static int in_tsbutton_update_keycode(void *data, int *is_down)
{
int ret, ret_kc = -1, ret_down = 0;
ret = update_button();
if (ret != 0)
return ret;
if (tsbutton_down_id == last_tsbutton_id)
return -1;
if (tsbutton_down_id >= 0) {
if (last_tsbutton_id >= 0) {
ret_kc = last_tsbutton_id;
last_tsbutton_id = -1;
}
else {
ret_down = 1;
ret_kc = tsbutton_down_id;
last_tsbutton_id = tsbutton_down_id;
}
}
else {
ret_kc = last_tsbutton_id;
last_tsbutton_id = -1;
}
if (is_down != NULL)
*is_down = ret_down;
return ret_kc;
}
static const in_drv_t in_tsbutton_drv = {
.prefix = IN_TSBUTTON_PREFIX,
.probe = in_tsbutton_probe,
.get_key_names = in_tsbutton_get_key_names,
.update = in_tsbutton_update,
.update_keycode = in_tsbutton_update_keycode,
};
void in_tsbutton_init(void)
{
tsbutton_down_id = last_tsbutton_id = -1;
in_register_driver(&in_tsbutton_drv, NULL);
}
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