/* mick_handler:
* Movement callback for mickey-mode driver.
*/
static void mick_handler(__dpmi_regs *r)
{
int x = (signed short)r->x.si;
int y = (signed short)r->x.di;
_mouse_b = r->x.bx;
mymickey_x += x - mymickey_ox;
mymickey_y += y - mymickey_oy;
mymickey_ox = x;
mymickey_oy = y;
_mouse_x = MICKEY_TO_COORD_X(mouse_mx + x);
_mouse_y = MICKEY_TO_COORD_Y(mouse_my + y);
if ((_mouse_x < mouse_minx) || (_mouse_x > mouse_maxx) ||
(_mouse_y < mouse_miny) || (_mouse_y > mouse_maxy)) {
_mouse_x = CLAMP(mouse_minx, _mouse_x, mouse_maxx);
_mouse_y = CLAMP(mouse_miny, _mouse_y, mouse_maxy);
mouse_mx = COORD_TO_MICKEY_X(_mouse_x);
mouse_my = COORD_TO_MICKEY_Y(_mouse_y);
CLEAR_MICKEYS();
}
_handle_mouse_input();
}
/* mick_set_speed:
* Sets the speed of the mickey-mode mouse.
*/
static void mick_set_speed(int xspeed, int yspeed)
{
DISABLE();
mouse_sx = MAX(1, xspeed);
mouse_sy = MAX(1, yspeed);
mouse_mx = COORD_TO_MICKEY_X(_mouse_x);
mouse_my = COORD_TO_MICKEY_Y(_mouse_y);
CLEAR_MICKEYS();
ENABLE();
}
/* mouse_directx_set_speed: [primary thread]
*/
static void mouse_directx_set_speed(int xspeed, int yspeed)
{
_enter_critical();
mouse_sx = MAX(1, xspeed);
mouse_sy = MAX(1, yspeed);
mouse_mx = COORD_TO_MICKEY_X(_mouse_x);
mouse_my = COORD_TO_MICKEY_Y(_mouse_y);
CLEAR_MICKEYS();
_exit_critical();
}
/* mick_position:
* Sets the position of the mickey-mode mouse.
*/
static void mick_position(int x, int y)
{
DISABLE();
_mouse_x = x;
_mouse_y = y;
mouse_mx = COORD_TO_MICKEY_X(x);
mouse_my = COORD_TO_MICKEY_Y(y);
CLEAR_MICKEYS();
mymickey_x = mymickey_y = 0;
ENABLE();
}
/* mick_set_range:
* Sets the range of the mickey-mode mouse.
*/
static void mick_set_range(int x1, int y1, int x2, int y2)
{
mouse_minx = x1;
mouse_miny = y1;
mouse_maxx = x2;
mouse_maxy = y2;
DISABLE();
_mouse_x = CLAMP(mouse_minx, _mouse_x, mouse_maxx);
_mouse_y = CLAMP(mouse_miny, _mouse_y, mouse_maxy);
mouse_mx = COORD_TO_MICKEY_X(_mouse_x);
mouse_my = COORD_TO_MICKEY_Y(_mouse_y);
CLEAR_MICKEYS();
ENABLE();
}
/* mouse_directx_set_range: [primary thread]
*/
static void mouse_directx_set_range(int x1, int y1, int x2, int y2)
{
mouse_minx = x1;
mouse_miny = y1;
mouse_maxx = x2;
mouse_maxy = y2;
_enter_critical();
_mouse_x = MID(mouse_minx, _mouse_x, mouse_maxx);
_mouse_y = MID(mouse_miny, _mouse_y, mouse_maxy);
mouse_mx = COORD_TO_MICKEY_X(_mouse_x);
mouse_my = COORD_TO_MICKEY_Y(_mouse_y);
CLEAR_MICKEYS();
_exit_critical();
/* scale up the acceleration multiplier to the range */
mouse_accel_mult = mouse_accel_fact * MAX(x2-x1+1, y2-y1+1)/320;
}
/* mouse_directx_position: [primary thread]
*/
static void mouse_directx_position(int x, int y)
{
_enter_critical();
_mouse_x = x;
_mouse_y = y;
mouse_mx = COORD_TO_MICKEY_X(x);
mouse_my = COORD_TO_MICKEY_Y(y);
if (gfx_driver && gfx_driver->windowed)
SetCursorPos(x+wnd_x, y+wnd_y);
CLEAR_MICKEYS();
mymickey_x = mymickey_y = 0;
/* force mouse update */
SetEvent(mouse_input_event);
_exit_critical();
}
/* mouse_dinput_handle: [input thread]
* Handles queued mouse input.
*/
static void mouse_dinput_handle(void)
{
static DIDEVICEOBJECTDATA message_buffer[DINPUT_BUFFERSIZE];
long int waiting_messages;
HRESULT hr;
int i;
/* the whole buffer is free */
waiting_messages = DINPUT_BUFFERSIZE;
/* fill the buffer */
hr = IDirectInputDevice_GetDeviceData(mouse_dinput_device,
sizeof(DIDEVICEOBJECTDATA),
message_buffer,
&waiting_messages,
0);
/* was device lost ? */
if ((hr == DIERR_NOTACQUIRED) || (hr == DIERR_INPUTLOST)) {
/* reacquire device */
_TRACE(PREFIX_W "mouse device not acquired or lost\n");
wnd_schedule_proc(mouse_dinput_acquire);
}
else if (FAILED(hr)) { /* other error? */
_TRACE(PREFIX_E "unexpected error while filling mouse message buffer\n");
}
else {
/* normally only this case should happen */
for (i = 0; i < waiting_messages; i++) {
mouse_dinput_handle_event(message_buffer[i].dwOfs,
message_buffer[i].dwData);
}
if (gfx_driver && gfx_driver->windowed) {
/* windowed input mode */
if (!wnd_sysmenu) {
POINT p;
READ_CURSOR_POS(p);
mymickey_x += p.x - mymickey_ox;
mymickey_y += p.y - mymickey_oy;
mymickey_ox = p.x;
mymickey_oy = p.y;
_handle_mouse_input();
}
}
else {
/* fullscreen input mode */
mymickey_x += dinput_x - mymickey_ox;
mymickey_y += dinput_y - mymickey_oy;
mymickey_ox = dinput_x;
mymickey_oy = dinput_y;
_mouse_x = MICKEY_TO_COORD_X(mouse_mx + dinput_x);
_mouse_y = MICKEY_TO_COORD_Y(mouse_my + dinput_y);
if ((_mouse_x < mouse_minx) || (_mouse_x > mouse_maxx) ||
(_mouse_y < mouse_miny) || (_mouse_y > mouse_maxy)) {
_mouse_x = MID(mouse_minx, _mouse_x, mouse_maxx);
_mouse_y = MID(mouse_miny, _mouse_y, mouse_maxy);
mouse_mx = COORD_TO_MICKEY_X(_mouse_x);
mouse_my = COORD_TO_MICKEY_Y(_mouse_y);
CLEAR_MICKEYS();
}
if (!_mouse_on) {
_mouse_on = TRUE;
wnd_schedule_proc(mouse_set_syscursor);
}
_handle_mouse_input();
}
}
}
