From 68818751f42811472c50ea3f95a430c5c3be2dc9 Mon Sep 17 00:00:00 2001
From: Paul Rouget <me@paulrouget.com>
Date: Fri, 19 Feb 2016 04:51:02 +0100
Subject: [PATCH] TouchpadPressure event

---
 Cargo.toml           |  4 ++--
 src/api/cocoa/mod.rs | 11 +++++++----
 src/events.rs        |  7 +++++++
 3 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 3cce0ee6..4f53c3b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "glutin"
-version = "0.4.8"
+version = "0.4.9"
 authors = ["The glutin contributors, Pierre Krieger <pierre.krieger1708@gmail.com>"]
 description = "Cross-platform OpenGL context provider."
 keywords = ["windowing", "opengl"]
@@ -40,7 +40,7 @@ objc = "0.1.8"
 [target.x86_64-apple-darwin.dependencies]
 objc = "0.1.8"
 cgl = "0.1"
-cocoa = "0.2"
+cocoa = "0.2.4"
 core-foundation = "0"
 core-graphics = "0"
 
diff --git a/src/api/cocoa/mod.rs b/src/api/cocoa/mod.rs
index 45024059..429572f3 100644
--- a/src/api/cocoa/mod.rs
+++ b/src/api/cocoa/mod.rs
@@ -42,7 +42,7 @@ use std::sync::Mutex;
 use std::ascii::AsciiExt;
 use std::ops::Deref;
 
-use events::Event::{Awakened, MouseInput, MouseMoved, ReceivedCharacter, KeyboardInput, MouseWheel, Closed, Focused};
+use events::Event::{Awakened, MouseInput, MouseMoved, ReceivedCharacter, KeyboardInput, MouseWheel, Closed, Focused, TouchpadPressure};
 use events::ElementState::{Pressed, Released};
 use events::MouseButton;
 use events;
@@ -225,7 +225,7 @@ impl<'a> Iterator for PollEventsIterator<'a> {
         let event: Option<Event>;
         unsafe {
             let nsevent = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_(
-                NSAnyEventMask.bits(),
+                NSAnyEventMask.bits() | NSEventMaskPressure.bits(),
                 NSDate::distantPast(nil),
                 NSDefaultRunLoopMode,
                 YES);
@@ -250,7 +250,7 @@ impl<'a> Iterator for WaitEventsIterator<'a> {
         let event: Option<Event>;
         unsafe {
             let nsevent = NSApp().nextEventMatchingMask_untilDate_inMode_dequeue_(
-                NSAnyEventMask.bits(),
+                NSAnyEventMask.bits() | NSEventMaskPressure.bits(),
                 NSDate::distantFuture(nil),
                 NSDefaultRunLoopMode,
                 YES);
@@ -810,7 +810,7 @@ impl Clone for IdRef {
 unsafe fn NSEventToEvent(window: &Window, nsevent: id) -> Option<Event> {
     if nsevent == nil { return None; }
 
-    let event_type = msg_send![nsevent, type];
+    let event_type = nsevent.eventType();
     NSApp().sendEvent_(if let NSKeyDown = event_type { nil } else { nsevent });
 
     match event_type {
@@ -893,6 +893,9 @@ unsafe fn NSEventToEvent(window: &Window, nsevent: id) -> Option<Event> {
             };
             Some(MouseWheel(delta))
         },
+        NSEventTypePressure => {
+            Some(TouchpadPressure(nsevent.pressure(), nsevent.stage()))
+        },
         _  => { None },
     }
 }
diff --git a/src/events.rs b/src/events.rs
index 27ed8b78..ecc10418 100644
--- a/src/events.rs
+++ b/src/events.rs
@@ -36,6 +36,13 @@ pub enum Event {
     /// An event from the mouse has been received.
     MouseInput(ElementState, MouseButton),
 
+    /// Touchpad pressure event.
+    ///
+    /// At the moment, only supported on Apple forcetouch-capable macbooks.
+    /// The parameters are: pressure level (value between 0 and 1 representing how hard the touchpad
+    /// is being pressed) and stage (integer representing the click level).
+    TouchpadPressure(f32, i64),
+
     /// The event loop was woken up by another thread.
     Awakened,