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use {
/*std::{
rc::Rc,
cell::{RefCell},
},*/
crate::{
makepad_platform::*,
cx_2d::Cx2d,
}
};
#[derive(Debug)]
pub struct Overlay { // draw info per UI element
pub (crate) draw_list: DrawList,
//pub (crate) sweep_lock: Rc<RefCell<Area>>,
}
impl LiveHook for Overlay {}
impl LiveNew for Overlay {
fn live_design_with(_cx:&mut Cx){}
fn new(cx: &mut Cx) -> Self {
let draw_list = cx.draw_lists.alloc();
//cx.draw_lists[draw_list.id()].unclipped = true;
Self {
//sweep_lock: Rc::new(RefCell::new(Area::Empty)),
draw_list,
}
}
fn live_type_info(_cx: &mut Cx) -> LiveTypeInfo {
LiveTypeInfo {
module_id: LiveModuleId::from_str(&module_path!()).unwrap(),
live_type: LiveType::of::<Self>(),
live_ignore: true,
fields: Vec::new(),
type_name: id_lut!(Overlay)
}
}
}
impl LiveApply for Overlay {
fn apply(&mut self, _cx: &mut Cx, _applyl: &mut Apply, index: usize, nodes: &[LiveNode]) -> usize {
nodes.skip_node(index)
}
}
impl Overlay {
pub fn handle_event(&self, _cx:&Cx, _event:&Event){
/*let area = self.sweep_lock.borrow().clone();
if !area.is_empty(){
match event{
Event::MouseMove(e)=>e.sweep_lock.set(area),
Event::MouseDown(e)=>e.sweep_lock.set(area),
Event::Scroll(e)=>e.sweep_lock.set(area),
_=>()
}
}*/
}
pub fn begin(&self, cx:&mut Cx2d){
// mark our overlay_id on cx
cx.overlay_id = Some(self.draw_list.id());
// cx.overlay_sweep_lock = Some(self.sweep_lock.clone());
}
pub fn end(&self, cx:&mut Cx2d){
cx.overlay_id = None;
let parent_id = cx.draw_list_stack.last().cloned().unwrap();
let redraw_id = cx.redraw_id;
cx.draw_lists[parent_id].append_sub_list(redraw_id, self.draw_list.id());
// flush out all overlays that have a different redraw id than their parent
// this means it didn't
for i in 0..cx.draw_lists[self.draw_list.id()].draw_items.len(){
if let Some(sub_id) = cx.draw_lists[self.draw_list.id()].draw_items[i].sub_list(){
if let Some(cfp) = cx.draw_lists[sub_id].codeflow_parent_id{
if cx.draw_lists[cfp].redraw_id != cx.draw_lists[sub_id].redraw_id{
cx.draw_lists[self.draw_list.id()].clear_sub_list(sub_id);
}
}
}
}
}
}