void set(CURSOR_TYPE type)
{
// Change only if it's a valid cursor
if (type != NUM_CURSORS) {
current_cursor = type;
} else if (current_cursor == NUM_CURSORS) {
// Except if the current one is also invalid.
// In this case, change to a valid one.
current_cursor = NORMAL;
}
#if SDL_VERSION_ATLEAST(2,0,0)
SDL_Cursor * cursor_image = get_cursor(current_cursor);
#else
const CURSOR_TYPE new_cursor = use_color_cursors() && color_ready ? cursor::NO_CURSOR : current_cursor;
SDL_Cursor * cursor_image = get_cursor(new_cursor);
#endif
// Causes problem on Mac:
//if (cursor_image != NULL && cursor_image != SDL_GetCursor())
SDL_SetCursor(cursor_image);
SDL_ShowCursor(SDL_ENABLE);
}
void undraw(surface screen)
{
if(use_color_cursors() == false) {
return;
}
if(cursor_buf == NULL) {
return;
}
SDL_Rect area = create_rect(cursor_x - shift_x[current_cursor]
, cursor_y - shift_y[current_cursor]
, cursor_buf->w
, cursor_buf->h);
sdl_blit(cursor_buf,NULL,screen,&area);
update_rect(area);
}
void set(CURSOR_TYPE type)
{
// Change only if it's a valid cursor
if (type != NUM_CURSORS) {
current_cursor = type;
} else if (current_cursor == NUM_CURSORS) {
// Except if the current one is also invalid.
// In this case, change to a valid one.
current_cursor = NORMAL;
}
const CURSOR_TYPE new_cursor = use_color_cursors() && color_ready ? cursor::NO_CURSOR : current_cursor;
SDL_Cursor * cursor_image = get_cursor(new_cursor);
// Causes problem on Mac:
//if (cursor_image != NULL && cursor_image != SDL_GetCursor())
SDL_SetCursor(cursor_image);
SDL_ShowCursor(SDL_DISABLE); //Bobby | Christoffer: Enable/disable cursor
}
void draw(surface screen)
{
if(use_color_cursors() == false) {
return;
}
if(current_cursor == NUM_CURSORS) {
current_cursor = NORMAL;
}
if(have_focus == false) {
cursor_buf = NULL;
return;
}
if (!color_ready) {
// Display start to draw cursor
// so it can now display color cursor
color_ready = true;
// Reset the cursor to be sure that we hide the b&w
set();
}
/** @todo FIXME: don't parse the file path every time */
const surface surf(image::get_image("cursors/" + color_images[current_cursor]));
if(surf == NULL) {
// Fall back to b&w cursors
std::cerr << "could not load color cursors. Falling back to hardware cursors\n";
preferences::set_color_cursors(false);
return;
}
if(cursor_buf != NULL && (cursor_buf->w != surf->w || cursor_buf->h != surf->h)) {
cursor_buf = NULL;
}
if(cursor_buf == NULL) {
cursor_buf = create_compatible_surface(surf);
if(cursor_buf == NULL) {
std::cerr << "Could not allocate surface for mouse cursor\n";
return;
}
}
int new_cursor_x, new_cursor_y;
SDL_GetMouseState(&new_cursor_x,&new_cursor_y);
const bool must_update = new_cursor_x != cursor_x || new_cursor_y != cursor_y;
cursor_x = new_cursor_x;
cursor_y = new_cursor_y;
// Save the screen area where the cursor is being drawn onto the back buffer
SDL_Rect area = create_rect(cursor_x - shift_x[current_cursor]
, cursor_y - shift_y[current_cursor]
, surf->w
, surf->h);
sdl_blit(screen,&area,cursor_buf,NULL);
// Blit the surface
sdl_blit(surf,NULL,screen,&area);
if(must_update) {
update_rect(area);
}
}
