style improvements (#798)

Author: jrmoulton

examples/counter/src/main.rs

@@ -72,11 +72,7 @@ fn app_view() -> impl IntoView {
                 })
                 .keyboard_navigable(),
         )
-            .style(|s| {
-                s.class(LabelClass, |s| {
-                    s.apply(LabelCustomStyle::new().selectable(false).style())
-                })
-            }),
+            .style(|s| s.custom_style_class(|s: LabelCustomStyle| s.selectable(false))),
     )
         .style(|s| {
             s.size(100.pct(), 100.pct())

src/style.rs

@@ -2593,6 +2593,21 @@ pub trait CustomStyle: Default + Clone + Into<Style> + From<Style> {
         }
         self_style.into()
     }
+
+    fn apply_if(self, cond: bool, style: impl FnOnce(Self) -> Self) -> Self {
+        if cond {
+            style(self)
+        } else {
+            self
+        }
+    }
+    fn transition<P: StyleProp>(self, _prop: P, transition: Transition) -> Self {
+        let mut self_style: Style = self.into();
+        self_style
+            .map
+            .insert(P::prop_ref().info().transition_key, Rc::new(transition));
+        self_style.into()
+    }
 }
 
 pub trait CustomStylable<S: CustomStyle + 'static>: IntoView<V = Self::DV> + Sized {

src/views/label.rs

@@ -556,11 +556,6 @@ impl LabelCustomStyle {
         self = Self(self.0.set(CursorColor, color));
         self
     }
-
-    /// Get the inner style
-    pub fn style(self) -> Style {
-        self.0
-    }
 }
 impl Default for LabelCustomStyle {
     fn default() -> Self {

src/window.rs

@@ -53,7 +53,10 @@ impl Default for WindowConfig {
             transparent: false,
             fullscreen: None,
             window_icon: None,
-            title: "Floem window".to_owned(),
+            title: std::env::current_exe()
+                .ok()
+                .and_then(|p| p.file_name().map(|f| f.to_string_lossy().into_owned()))
+                .unwrap_or("Floem Window".to_string()),
             enabled_buttons: WindowButtons::all(),
             resizable: true,
             undecorated: false,