Unify state management

emigui/src/memory.rs

@@ -1,12 +1,6 @@
 use std::collections::HashMap;
 
-use crate::{collapsing_header, window::WindowState, *};
+use crate::{collapsing_header, scroll_area, window, *};
-
-#[derive(Clone, Copy, Debug, Default)]
-pub struct ScrollState {
-    /// Positive offset means scrolling down/right
-    pub offset: Vec2,
-}
 
 #[derive(Clone, Debug, Default)]
 pub struct Memory {
@@ -15,19 +9,19 @@ pub struct Memory {
 
     // states of various types of widgets
     pub(crate) collapsing_headers: HashMap<Id, collapsing_header::State>,
-    pub(crate) scroll_areas: HashMap<Id, ScrollState>,
+    pub(crate) scroll_areas: HashMap<Id, scroll_area::State>,
-    windows: HashMap<Id, WindowState>,
+    windows: HashMap<Id, window::State>,
 
     /// Top is last
     pub window_order: Vec<Id>,
 }
 
 impl Memory {
-    pub fn get_window(&mut self, id: Id) -> Option<WindowState> {
+    pub fn get_window(&mut self, id: Id) -> Option<window::State> {
         self.windows.get(&id).cloned()
     }
 
-    pub fn set_window_state(&mut self, id: Id, state: WindowState) {
+    pub fn set_window_state(&mut self, id: Id, state: window::State) {
         let did_insert = self.windows.insert(id, state).is_none();
         if did_insert {
             self.window_order.push(id);

emigui/src/scroll_area.rs

@@ -1,5 +1,11 @@
 use crate::*;
 
+#[derive(Clone, Copy, Debug, Default)]
+pub struct State {
+    /// Positive offset means scrolling down/right
+    pub offset: Vec2,
+}
+
 pub struct ScrollArea {
     max_height: f32,
 }

emigui/src/window.rs

@@ -3,7 +3,7 @@ use std::sync::Arc;
 use crate::{mesher::Path, widgets::*, *};
 
 #[derive(Clone, Copy, Debug)]
-pub struct WindowState {
+pub struct State {
     /// Last known pos
     pub outer_pos: Pos2,
     pub inner_size: Vec2,
@@ -127,7 +127,7 @@ impl Window {
         let (mut state, is_new_window) = match ctx.memory.lock().get_window(id) {
             Some(state) => (state, false),
             None => {
-                let state = WindowState {
+                let state = State {
                     outer_pos: default_pos,
                     inner_size: default_inner_size,
                     outer_rect: Rect::from_min_size(
@@ -216,7 +216,7 @@ impl Window {
             state.outer_pos += ctx.input().mouse_move;
         }
 
-        state = WindowState {
+        state = State {
             outer_pos: state.outer_pos,
             inner_size: new_inner_size,
             outer_rect: outer_rect,