Small fixes and added TODOs

emigui/README.md

@@ -14,6 +14,8 @@ This is the core library crate Emigui. It is fully platform independent without
 * [x] Movable/resizable windows
     * [x] Kinetic windows
     * [ ] BUG FIX: Don't catch clicks on closed windows
+    * [ ] Windows should open from Regions and be boxed by parent region.
+        * Then we could open the example app inside a window in the example app, recursively.
 * [ ] Scroll areas
     * [x] Vertical scrolling
     * [ ] Horizontal scrolling
@@ -37,11 +39,13 @@ This is the core library crate Emigui. It is fully platform independent without
     * [ ] Generalize Layout (separate from Region)
     * [ ] Cascading layout: same lite if it fits, else next line. Like text.
     * [ ] Grid layout
+* [ ] Image support
 
 ### Web version:
 * [x] Scroll input
 * [x] Change to resize cursor on hover
 * [ ] Make it a JS library for easily creating your own stuff
+* [ ] Read url fragment and redirect to a subpage (e.g. different examples apps)
 
 ### Animations
 Add extremely quick animations for some things, maybe 2-3 frames. For instance:

emigui/src/emigui.rs

@@ -11,7 +11,7 @@ struct Stats {
 }
 
 /// Encapsulates input, layout and painting for ease of use.
-/// TODO: merge into Context
+/// TODO: merge into Context, and have generations of Context instead.
 pub struct Emigui {
     ctx: Arc<Context>,
     stats: Stats,

emigui/src/math.rs

@@ -506,20 +506,25 @@ pub fn remap(x: f32, from: RangeInclusive<f32>, to: RangeInclusive<f32>) -> f32
 }
 
 pub fn remap_clamp(x: f32, from: RangeInclusive<f32>, to: RangeInclusive<f32>) -> f32 {
-    let t = if x <= *from.start() {
-        0.0
-    } else if x >= *from.end() {
-        1.0
+    if x <= *from.start() {
+        *to.start()
+    } else if *from.end() <= x {
+        *to.end()
     } else {
-        (x - from.start()) / (from.end() - from.start())
-    };
-    lerp(to, t)
+        let t = (x - from.start()) / (from.end() - from.start());
+        // Ensure no numerical inaccurcies sneak in:
+        if 1.0 <= t {
+            *to.end()
+        } else {
+            lerp(to, t)
+        }
+    }
 }
 
 pub fn clamp(x: f32, range: RangeInclusive<f32>) -> f32 {
     if x <= *range.start() {
         *range.start()
-    } else if x >= *range.end() {
+    } else if *range.end() <= x {
         *range.end()
     } else {
         x

emigui/src/style.rs

@@ -170,6 +170,10 @@ impl Style {
             *self = Default::default();
         }
 
+        region.add(label!("Debug:").text_style(TextStyle::Heading));
+        region.add(Checkbox::new(&mut self.debug_regions, "debug_regions"));
+        region.add(Separator::new());
+        // TODO: region.section("Heading", |ui| ui.add(contents))
 
         region.add(Slider::f32(&mut self.item_spacing.x,     0.0..=10.0).text("item_spacing.x").precision(0));
         region.add(Slider::f32(&mut self.item_spacing.y,     0.0..=10.0).text("item_spacing.y").precision(0));