51 lines
1.4 KiB
Rust
51 lines
1.4 KiB
Rust
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use std::collections::{HashMap, HashSet};
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use crate::{window::WindowState, *};
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#[derive(Clone, Debug, Default)]
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pub struct Memory {
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/// The widget being interacted with (e.g. dragged, in case of a slider).
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pub(crate) active_id: Option<Id>,
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/// Which foldable regions are open.
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pub(crate) open_foldables: HashSet<Id>,
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windows: HashMap<Id, WindowState>,
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/// Top is last
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window_order: Vec<Id>,
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}
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impl Memory {
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/// default_rect: where to put it if it does NOT exist
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pub fn get_or_create_window(&mut self, id: Id, default_rect: Rect) -> WindowState {
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if let Some(state) = self.windows.get(&id) {
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*state
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} else {
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let state = WindowState { rect: default_rect };
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self.windows.insert(id, state);
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self.window_order.push(id);
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state
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}
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}
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pub fn set_window_state(&mut self, id: Id, state: WindowState) {
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self.windows.insert(id, state);
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}
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pub fn layer_at(&self, pos: Vec2) -> Layer {
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for window_id in self.window_order.iter().rev() {
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if let Some(state) = self.windows.get(window_id) {
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if state.rect.contains(pos) {
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return Layer::Window(*window_id);
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}
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}
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}
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Layer::Background
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}
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pub fn move_window_to_top(&mut self, _id: Id) {
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// TODO
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}
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}
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