void draw_menu(MENU *menu) {
int i;
uint32_t height = menu->vpad;
uint32_t width=0, text_width;
for (i=0; i<10; i++) {
if (menu->items[i].active) {
height += menu->vpad + menu->items[i].size.height;
text_width = get_str_width_big(menu->items[i].header_text.text1);
if ((text_width + (2*menu->hpad)) > width) {
width = text_width + (2*menu->hpad);
}
}
}
uint32_t absolute_x = menu->pos.x + (WIDTH_W/2) - (width/2);
uint32_t absolute_y = menu->pos.y + (HEIGHT_W/2) - (height/2);
rectangle_filled(absolute_x, absolute_y, width, height, menu->bg);
if (menu->header.active)
absolute_y += draw_item(&menu->header, absolute_x, absolute_y);
absolute_x += menu->hpad;
absolute_y += menu->vpad;
for (i=0; i<10; i++) {
if (menu->items[i].active)
absolute_y += menu->vpad + draw_menuitem(&menu->items[i], absolute_x, absolute_y);
}
}
unsigned int update_menuitem(int mousex)
{
static unsigned int last_item; // retain value from last call
unsigned int i;
if (mousex == INT_MAX) // entered function to set last_item
{
last_item = num_menuitems;
return UINT_MAX;
}
for (i = 0; i < num_menuitems; i++)
{
if ((mousex >= menuitems[i].x) && (mousex <= (menuitems[i].x + menuitems[i].width)))
{
break;
}
}
if (i != last_item) // don't redraw if same
{
if (last_item != num_menuitems)
{
draw_menuitem(last_item, 0);
}
if (i != num_menuitems)
{
draw_menuitem(i, 1);
}
last_item = i; // set to new menu item
}
if (i != num_menuitems)
{
return i;
}
else // no item selected
{
return UINT_MAX;
}
}