bool VideoDriver_Allegro::ClaimMousePointer()
{
select_mouse_cursor(MOUSE_CURSOR_NONE);
show_mouse(NULL);
disable_hardware_cursor();
return true;
}
void init()
{
allegro_init();
install_allegro_gl();
allegro_gl_set(AGL_Z_DEPTH, 16);
allegro_gl_set(AGL_COLOR_DEPTH, 32);
allegro_gl_set(AGL_SUGGEST, AGL_Z_DEPTH | AGL_COLOR_DEPTH);
set_gfx_mode(GFX_OPENGL, 640, 480, 0, 0);
install_keyboard();
install_mouse();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0 * ASPECT_RATIO, 1.0 * ASPECT_RATIO, -1.0, 1.0, 2.0, 1000.0);
glEnable(GL_DEPTH_TEST);
disable_hardware_cursor();
}
/* install_mouse:
* Installs the Allegro mouse handler. You must do this before using any
* other mouse functions. Return -1 if it can't find a mouse driver,
* otherwise the number of buttons on the mouse.
*/
int install_mouse(void)
{
_DRIVER_INFO *driver_list;
int num_buttons = -1;
int config_num_buttons;
AL_CONST char *emulate;
char tmp1[64], tmp2[64];
int i;
if (mouse_driver)
return 0;
LOCK_VARIABLE(mouse_driver);
LOCK_VARIABLE(mousedrv_none);
LOCK_VARIABLE(mouse_x);
LOCK_VARIABLE(mouse_y);
LOCK_VARIABLE(mouse_z);
LOCK_VARIABLE(mouse_w);
LOCK_VARIABLE(mouse_b);
LOCK_VARIABLE(mouse_pos);
LOCK_VARIABLE(_mouse_x);
LOCK_VARIABLE(_mouse_y);
LOCK_VARIABLE(_mouse_z);
LOCK_VARIABLE(_mouse_w);
LOCK_VARIABLE(_mouse_b);
LOCK_VARIABLE(_mouse_on);
LOCK_VARIABLE(mon);
LOCK_VARIABLE(emulate_three);
LOCK_VARIABLE(freeze_mouse_flag);
LOCK_VARIABLE(mouse_callback);
LOCK_VARIABLE(mouse_x_focus);
LOCK_VARIABLE(mouse_y_focus);
LOCK_VARIABLE(mouse_sprite);
LOCK_VARIABLE(_mouse_pointer);
LOCK_VARIABLE(_mouse_screen);
LOCK_VARIABLE(mx);
LOCK_VARIABLE(my);
LOCK_VARIABLE(ms);
LOCK_VARIABLE(mtemp);
LOCK_VARIABLE(mouse_polled);
LOCK_VARIABLE(mouse_semaphore);
LOCK_VARIABLE(cursors);
LOCK_FUNCTION(draw_mouse_doublebuffer);
LOCK_FUNCTION(draw_mouse);
LOCK_FUNCTION(update_mouse);
LOCK_FUNCTION(mouse_move);
LOCK_FUNCTION(poll_mouse);
LOCK_FUNCTION(mouse_needs_poll);
LOCK_FUNCTION(_handle_mouse_input);
/* Construct mouse pointers */
if (!default_cursors[MOUSE_CURSOR_ARROW])
default_cursors[MOUSE_CURSOR_ARROW] = create_mouse_pointer(mouse_arrow_data);
if (!default_cursors[MOUSE_CURSOR_BUSY])
default_cursors[MOUSE_CURSOR_BUSY] = create_mouse_pointer(mouse_busy_data);
if (!default_cursors[MOUSE_CURSOR_QUESTION])
default_cursors[MOUSE_CURSOR_QUESTION] = create_mouse_pointer(mouse_arrow_data);
if (!default_cursors[MOUSE_CURSOR_EDIT])
default_cursors[MOUSE_CURSOR_EDIT] = create_mouse_pointer(mouse_arrow_data);
cursors[MOUSE_CURSOR_ARROW] = default_cursors[MOUSE_CURSOR_ARROW];
cursors[MOUSE_CURSOR_BUSY] = default_cursors[MOUSE_CURSOR_BUSY];
cursors[MOUSE_CURSOR_QUESTION] = default_cursors[MOUSE_CURSOR_QUESTION];
cursors[MOUSE_CURSOR_EDIT] = default_cursors[MOUSE_CURSOR_EDIT];
if (system_driver->mouse_drivers)
driver_list = system_driver->mouse_drivers();
else
driver_list = _mouse_driver_list;
if (_mouse_type == MOUSEDRV_AUTODETECT)
_mouse_type = get_config_id(uconvert_ascii("mouse", tmp1), uconvert_ascii("mouse", tmp2), MOUSEDRV_AUTODETECT);
if (_mouse_type != MOUSEDRV_AUTODETECT) {
for (i=0; driver_list[i].driver; i++) {
if (driver_list[i].id == _mouse_type) {
mouse_driver = driver_list[i].driver;
break;
}
}
}
if (mouse_driver) {
mouse_driver->name = mouse_driver->desc = get_config_text(mouse_driver->ascii_name);
num_buttons = mouse_driver->init();
}
else {
for (i=0; num_buttons<0; i++) {
if (!driver_list[i].driver)
break;
mouse_driver = driver_list[i].driver;
mouse_driver->name = mouse_driver->desc = get_config_text(mouse_driver->ascii_name);
num_buttons = mouse_driver->init();
}
}
if (num_buttons < 0) {
mouse_driver = NULL;
return -1;
}
config_num_buttons = get_config_int(uconvert_ascii("mouse", tmp1), uconvert_ascii("num_buttons", tmp2), -1);
emulate = get_config_string(uconvert_ascii("mouse", tmp1), uconvert_ascii("emulate_three", tmp2), NULL);
/* clamp config_num_buttons to zero/positive values */
if (config_num_buttons >= 0)
num_buttons = config_num_buttons;
if ((emulate) && ((i = ugetc(emulate)) != 0)) {
if ((i == 'y') || (i == 'Y') || (i == '1'))
emulate_three = TRUE;
else
emulate_three = FALSE;
}
else {
emulate_three = FALSE;
}
mouse_polled = (mouse_driver->poll) ? TRUE : FALSE;
_mouse_installed = TRUE;
disable_hardware_cursor();
set_mouse_etc();
_add_exit_func(remove_mouse, "remove_mouse");
if (mouse_driver->timer_poll)
install_int(mouse_move, 10);
return num_buttons;
}
optionsScreen::~optionsScreen()
{
remove_mouse();
disable_hardware_cursor();
}
