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#include <comus/input.h>
struct mouse_event_buf {
struct mouse_event data[N_MOUSEEV];
size_t start;
size_t end;
size_t len;
};
struct keycode_buf {
struct keycode data[N_KEYCODE];
size_t start;
size_t end;
size_t len;
};
static struct keycode_buf keycode_buffer = {
.start = 0,
.end = 0,
.len = 0,
};
static struct mouse_event_buf mouse_event_buffer = {
.start = 0,
.end = 0,
.len = 0,
};
void keycode_push(struct keycode *ev)
{
// save keycode
keycode_buffer.data[keycode_buffer.end] = *ev;
// update pointers
keycode_buffer.end++;
keycode_buffer.end %= N_KEYCODE;
if (keycode_buffer.len < N_KEYCODE) {
keycode_buffer.len++;
} else {
keycode_buffer.start++;
keycode_buffer.start %= N_KEYCODE;
}
}
int keycode_pop(struct keycode *ev)
{
if (keycode_buffer.len < 1)
return 1;
*ev = keycode_buffer.data[keycode_buffer.start];
keycode_buffer.len--;
keycode_buffer.start++;
keycode_buffer.start %= N_KEYCODE;
return 0;
}
size_t keycode_len(void)
{
return keycode_buffer.len;
}
void mouse_event_push(struct mouse_event *ev)
{
// save mouse_event
mouse_event_buffer.data[mouse_event_buffer.end] = *ev;
// update pointers
mouse_event_buffer.end++;
mouse_event_buffer.end %= N_KEYCODE;
if (mouse_event_buffer.len < N_KEYCODE) {
mouse_event_buffer.len++;
} else {
mouse_event_buffer.start++;
mouse_event_buffer.start %= N_KEYCODE;
}
}
int mouse_event_pop(struct mouse_event *ev)
{
if (mouse_event_buffer.len < 1)
return 1;
*ev = mouse_event_buffer.data[mouse_event_buffer.start];
mouse_event_buffer.len--;
mouse_event_buffer.start++;
mouse_event_buffer.start %= N_KEYCODE;
return 0;
}
size_t mouse_event_len(void)
{
return mouse_event_buffer.len;
}
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