static void _render_button(GRAPHICS_CONTROLLER *gc, BD_IG_BUTTON *button, BD_PG_PALETTE *palette,
int state)
{
BD_PG_OBJECT *object = NULL;
BD_OVERLAY ov;
object = _find_object_for_button(gc->igs, button, state);
if (!object) {
TRACE("_render_button(#%d): object (state %d) not found\n", button->id, state);
return;
}
ov.pts = -1;
ov.plane = 1; /* IG */
ov.x = button->x_pos;
ov.y = button->y_pos;
ov.w = object->width;
ov.h = object->height;
ov.img = object->img;
ov.palette = palette->entry;
if (gc->overlay_proc) {
gc->overlay_proc(gc->overlay_proc_handle, &ov);
}
}
static int _mouse_move(GRAPHICS_CONTROLLER *gc, unsigned x, unsigned y, GC_NAV_CMDS *cmds)
{
PG_DISPLAY_SET *s = gc->igs;
BD_IG_PAGE *page = NULL;
unsigned page_id = bd_psr_read(gc->regs, PSR_MENU_PAGE_ID);
unsigned cur_btn_id = bd_psr_read(gc->regs, PSR_SELECTED_BUTTON_ID);
unsigned new_btn_id = 0xffff;
unsigned ii;
gc->valid_mouse_position = 0;
page = _find_page(&s->ics->interactive_composition, page_id);
if (!page) {
ERROR("_mouse_move(): unknown page #%d (have %d pages)\n",
page_id, s->ics->interactive_composition.num_pages);
return -1;
}
for (ii = 0; ii < page->num_bogs; ii++) {
BD_IG_BOG *bog = &page->bog[ii];
unsigned valid_id = gc->enabled_button[ii];
BD_IG_BUTTON *button = _find_button_bog(bog, valid_id);
if (!button)
continue;
if (x < button->x_pos || y < button->y_pos)
continue;
/* Check for SELECTED state object (button that can be selected) */
BD_PG_OBJECT *object = _find_object_for_button(s, button, BTN_SELECTED);
if (!object)
continue;
if (x >= button->x_pos + object->width || y >= button->y_pos + object->height)
continue;
/* mouse is over button */
/* is button already selected? */
if (button->id == cur_btn_id) {
gc->valid_mouse_position = 1;
return 0;
}
new_btn_id = button->id;
break;
}
if (new_btn_id != 0xffff) {
bd_psr_write(gc->regs, PSR_SELECTED_BUTTON_ID, new_btn_id);
_render_page(gc, -1, cmds);
gc->valid_mouse_position = 1;
}
return gc->valid_mouse_position;
}
static void _render_button(GRAPHICS_CONTROLLER *gc, BD_IG_BUTTON *button, BD_PG_PALETTE *palette,
int state, BOG_DATA *bog_data)
{
BD_PG_OBJECT *object = _find_object_for_button(gc->igs, button, state, bog_data);
if (!object) {
GC_TRACE("_render_button(#%d): object (state %d) not found\n", button->id, state);
_clear_bog_area(gc, bog_data);
return;
}
/* object already rendered ? */
if (bog_data->visible_object_id == object->id &&
bog_data->x == button->x_pos && bog_data->y == button->y_pos &&
bog_data->w == object->width && bog_data->h == object->height) {
GC_TRACE("skipping already rendered button #%d (object #%d at %d,%d %dx%d)\n",
button->id, object->id,
button->x_pos, button->y_pos, object->width, object->height);
return;
}
/* new object is smaller than already drawn one ? -> need to render background */
if (bog_data->w > object->width ||
bog_data->h > object->height) {
/* make sure we won't wipe other buttons */
unsigned ii, skip = 0;
for (ii = 0; &gc->bog_data[ii] != bog_data; ii++) {
if (_areas_overlap(bog_data, &gc->bog_data[ii]))
skip = 1;
/* FIXME: clean non-overlapping area */
}
GC_TRACE("object size changed, %sclearing background at %d,%d %dx%d\n",
skip ? " ** NOT ** " : "",
bog_data->x, bog_data->y, bog_data->w, bog_data->h);
if (!skip) {
_clear_bog_area(gc, bog_data);
}
}
GC_TRACE("render button #%d using object #%d at %d,%d %dx%d\n",
button->id, object->id,
button->x_pos, button->y_pos, object->width, object->height);
_render_object(gc, -1, BD_OVERLAY_IG,
button->x_pos, button->y_pos,
object, palette);
bog_data->x = button->x_pos;
bog_data->y = button->y_pos;
bog_data->w = object->width;
bog_data->h = object->height;
bog_data->visible_object_id = object->id;
gc->ig_drawn = 1;
gc->ig_dirty = 1;
}
