simple mouse click event fires

Author: spennydl

Cargo.toml

@@ -89,6 +89,7 @@ features = [
     'HtmlElement',
     'HtmlCanvasElement',
     'CanvasRenderingContext2d',
+    'MouseEvent',
     'Node',
     'Window',
     'console'

src/platform_impl/websys/event_loop.rs

@@ -3,7 +3,7 @@ extern crate wasm_bindgen;
 
 use event_loop::{ControlFlow, EventLoopClosed};
 use event::Event;
-use super::window::{MonitorHandle, Window, WindowInternal};
+use super::window::{MonitorHandle, Window, WindowId, WindowInternal};
 #[macro_use]
 use platform_impl::platform::wasm_util as util;
 
@@ -69,6 +69,12 @@ impl<T: 'static> EventLoop<T> {
 
         *g.borrow_mut() = Some(Closure::wrap(Box::new(move || {
             if control_flow == ControlFlow::Poll {
+                
+                let mut win_events = self.window_target.p.window().events();
+                win_events.drain(..).for_each(|e| {
+                    event_handler(::event::Event::WindowEvent{window_id: ::window::WindowId(WindowId{}), event: e}, &self.window_target, &mut control_flow);
+                });
+
                 event_handler(::event::Event::NewEvents(::event::StartCause::Poll), &self.window_target, &mut control_flow);
             }
 

src/platform_impl/websys/window.rs

@@ -3,9 +3,11 @@ extern crate wasm_bindgen;
 use window::{WindowAttributes, CreationError, MouseCursor};
 use std::collections::VecDeque;
 use std::rc::Rc;
+use std::cell::RefCell;
 use dpi::{PhysicalPosition, LogicalPosition, PhysicalSize, LogicalSize};
 use icon::Icon;
 use super::event_loop::{EventLoopWindowTarget};
+
 use self::wasm_bindgen::prelude::*;
 use self::wasm_bindgen::JsCast;
 
@@ -86,7 +88,13 @@ pub struct Window {
 }
 
 pub(crate) struct WindowInternal {
-    pending_events: Vec<::event::WindowEvent>
+    pub pending_events: RefCell<Vec<::event::WindowEvent>>
+}
+
+impl WindowInternal {
+    pub fn events(&self) -> Vec<::event::WindowEvent> {
+        self.pending_events.replace(Vec::new())
+    }
 }
 
 impl Window {
@@ -127,12 +135,24 @@ impl Window {
         };
 
         let internal = Rc::new(WindowInternal {
-            pending_events: vec![]
+            pending_events: RefCell::new(Vec::with_capacity(3))
         });
 
         target.set_window(internal.clone());
 
         // TODO: install WindowEvent handlers
+        let mut win = internal.clone();
+        let click_handler = Closure::wrap(Box::new(move |event: web_sys::MouseEvent| {
+            // TODO: process the event
+            win.pending_events.borrow_mut().push(::event::WindowEvent::MouseInput {
+                device_id: ::event::DeviceId(DeviceId(0)),
+                state: ::event::ElementState::Pressed,
+                button: ::event::MouseButton::Left,
+                modifiers: Default::default()
+            });
+        }) as Box<FnMut(web_sys::MouseEvent)>);
+        element.set_onmousedown(Some(click_handler.as_ref().unchecked_ref()));
+        click_handler.forget();
 
         Ok(Window {
             canvas: element,