Auto min size (#33)

* Add auto min-size

* Add auto min-size

* Fix for computing auto size from children

* Fix min/max order

* Fix auto min content size

* Fmt

* Clippy

* Remove playground

* cleanup

.vscode/launch.json

@@ -1,13 +1,22 @@
 {
     "version": "0.2.0",
     "configurations": [
+
         {
             "type": "lldb",
             "request": "launch",
             "name": "Basic",
             "program": "${workspaceFolder}/target/debug/examples/basic",
             "args": [],
             "cwd": "${workspaceFolder}"
+        },
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Menu",
+            "program": "${workspaceFolder}/target/debug/examples/menu",
+            "args": [],
+            "cwd": "${workspaceFolder}"
         }
     ]
 }

Cargo.toml

@@ -8,9 +8,6 @@ description = "A UI layout engine"
 repository = "https://github.com/vizia/morphorm"
 keywords = ["ui", "gui", "layout", "flex"]
 
-[workspace]
-members = ["playground"]
-
 [dependencies]
 smallvec = "1.11.0"
 

examples/menu.rs

@@ -0,0 +1,55 @@
+mod common;
+use common::*;
+
+fn main() {
+    let mut world = World::default();
+
+    let root = world.add(None);
+    world.set_width(root, Units::Pixels(600.0));
+    world.set_height(root, Units::Pixels(600.0));
+    world.set_child_space(root, Units::Stretch(1.0));
+
+    let node = world.add(Some(root));
+    world.set_width(node, Units::Auto);
+    world.set_height(node, Units::Auto);
+
+    let child = world.add(Some(node));
+    world.set_width(child, Units::Stretch(1.0));
+    world.set_min_width(child, Units::Auto);
+    world.set_height(child, Units::Pixels(50.0));
+    world.set_content_size(child, |_, _, height| {
+        let h = height.unwrap();
+        (50.0, h)
+    });
+
+    let child = world.add(Some(node));
+    world.set_width(child, Units::Stretch(1.0));
+    world.set_min_width(child, Units::Auto);
+    world.set_height(child, Units::Pixels(50.0));
+    world.set_content_size(child, |_, _, height| {
+        let h = height.unwrap();
+        (60.0, h)
+    });
+
+    let child = world.add(Some(node));
+    world.set_width(child, Units::Stretch(1.0));
+    world.set_min_width(child, Units::Auto);
+    world.set_height(child, Units::Pixels(50.0));
+    world.set_content_size(child, |_, _, height| {
+        let h = height.unwrap();
+        (130.0, h)
+    });
+
+    let child = world.add(Some(node));
+    world.set_width(child, Units::Stretch(1.0));
+    world.set_min_width(child, Units::Auto);
+    world.set_height(child, Units::Pixels(50.0));
+    world.set_content_size(child, |_, _, height| {
+        let h = height.unwrap();
+        (80.0, h)
+    });
+
+    root.layout(&mut world.cache, &world.tree, &world.store, &mut ());
+
+    render(world, root);
+}