From 1e615b59a6e9685ec283b290eb337faab888f262 Mon Sep 17 00:00:00 2001
From: Tomaka17 <pierre.krieger1708@gmail.com>
Date: Sun, 27 Jul 2014 19:58:27 +0200
Subject: Better events handling for win32

---
 src/win32/ffi.rs |  3 +++
 src/win32/mod.rs | 39 ++++++++-------------------------------
 2 files changed, 11 insertions(+), 31 deletions(-)

diff --git a/src/win32/ffi.rs b/src/win32/ffi.rs
index 0b47de8..96f09d4 100644
--- a/src/win32/ffi.rs
+++ b/src/win32/ffi.rs
@@ -564,6 +564,9 @@ extern "system" {
     // http://msdn.microsoft.com/en-us/library/dd145167(v=vs.85).aspx
     pub fn UpdateWindow(hWnd: HWND) -> BOOL;
 
+    // http://msdn.microsoft.com/en-us/library/windows/desktop/ms644956(v=vs.85).aspx
+    pub fn WaitMessage() -> BOOL;
+
     // http://msdn.microsoft.com/en-us/library/windows/desktop/dd374379(v=vs.85).aspx
     pub fn wglCreateContext(hdc: HDC) -> HGLRC;
 
diff --git a/src/win32/mod.rs b/src/win32/mod.rs
index 959e141..be6014e 100644
--- a/src/win32/mod.rs
+++ b/src/win32/mod.rs
@@ -204,7 +204,7 @@ impl Window {
         loop {
             let mut msg = unsafe { mem::uninitialized() };
 
-            if unsafe { ffi::PeekMessageW(&mut msg, ptr::mut_null(), 0, 0, 1) } == 0 {
+            if unsafe { ffi::PeekMessageW(&mut msg, ptr::mut_null(), 0, 0, 0x1) } == 0 {
                 break
             }
 
@@ -219,38 +219,21 @@ impl Window {
                 Err(_) => break
             }
         }
+
+        if events.iter().find(|e| match e { &&::Closed => true, _ => false }).is_some() {
+            use std::sync::atomics::Relaxed;
+            self.should_close.store(true, Relaxed);
+        }
         
         events
     }
 
     // TODO: return iterator
     pub fn wait_events(&self) -> Vec<Event> {
-        use std::mem;
-
         loop {
-            {
-                let mut msg = unsafe { mem::uninitialized() };
-
-                if unsafe { ffi::GetMessageW(&mut msg, ptr::mut_null(), 0, 0) } == 0 {
-                    use std::sync::atomics::Relaxed;
-                    use Closed;
-
-                    self.should_close.store(true, Relaxed);
-                    return vec![Closed]
-                }
+            unsafe { ffi::WaitMessage() };
 
-                unsafe { ffi::TranslateMessage(&msg) };
-                unsafe { ffi::DispatchMessageW(&msg) };
-            }
-
-            let mut events = Vec::new();
-            loop {
-                match self.events_receiver.try_recv() {
-                    Ok(ev) => events.push(ev),
-                    Err(_) => break
-                }
-            }
-            
+            let events = self.poll_events();
             if events.len() >= 1 {
                 return events
             }
@@ -316,12 +299,6 @@ extern "stdcall" fn callback(window: ffi::HWND, msg: ffi::UINT,
             0
         },
 
-        ffi::WM_PAINT => {
-            /*use NeedRefresh;
-            send_event(window, NeedRefresh);*/
-            0
-        },
-
         ffi::WM_CHAR => {
             use std::mem;
             use events::ReceivedCharacter;
-- 
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