Add a shortcut method to emit a message on a component

Author: antoyo

examples/checkboxes.rs

@@ -139,18 +139,18 @@ impl Update for Win {
             Quit => gtk::main_quit(),
             MinusToggle => {
                 if self.minus_button.widget().get_active() {
-                    self.plus_button.stream().emit(Uncheck);
+                    self.plus_button.emit(Uncheck);
                 }
                 else {
-                    self.plus_button.stream().emit(Check);
+                    self.plus_button.emit(Check);
                 }
             },
             PlusToggle => {
                 if self.plus_button.widget().get_active() {
-                    self.minus_button.stream().emit(Uncheck);
+                    self.minus_button.emit(Uncheck);
                 }
                 else {
-                    self.minus_button.stream().emit(Check);
+                    self.minus_button.emit(Check);
                 }
             },
         }

src/component.rs

@@ -51,6 +51,11 @@ impl<WIDGET: Widget> Component<WIDGET> {
         }
     }
 
+    /// Emit a message of the widget stream.
+    pub fn emit(&self, msg: WIDGET::Msg) {
+        self.stream.emit(msg);
+    }
+
     /// Get the event stream of the component.
     /// This is used internally by the library.
     pub fn stream(&self) -> &EventStream<WIDGET::Msg> {

src/container.rs

@@ -62,10 +62,15 @@ impl<WIDGET: Container + Widget> ContainerComponent<WIDGET> {
         component
     }
 
+    /// Emit a message of the widget stream.
+    pub fn emit(&self, msg: WIDGET::Msg) {
+        self.stream().emit(msg);
+    }
+
     /// Get the event stream of the component.
     /// This is used internally by the library.
     pub fn stream(&self) -> &EventStream<WIDGET::Msg> {
-        &self.component.stream()
+        self.component.stream()
     }
 
     // TODO: add delete methods?