From fb8473294e4a95076f55ab6b77b2a360bb4b5752 Mon Sep 17 00:00:00 2001
From: Dan Spencer <dan@atomicpotato.net>
Date: Mon, 25 May 2015 15:15:04 -0600
Subject: [PATCH] Query, enable and disable event types

Certain event types are disabled by default in SDL2, such as
DropEvent, TextInput and TextEditing. To use them, it's necessary
to enable them manually.
---
 src/sdl2/event.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/src/sdl2/event.rs b/src/sdl2/event.rs
index 9314da0f..e5d50db0 100644
--- a/src/sdl2/event.rs
+++ b/src/sdl2/event.rs
@@ -911,6 +911,27 @@ pub struct EventPump<'sdl> {
     _nosend: PhantomData<*mut ()>
 }
 impl<'sdl> EventPump<'sdl> {
+    /// Query if an event type is enabled.
+    pub fn is_event_enabled(&self, event_type: EventType) -> bool {
+        let result = unsafe { ll::SDL_EventState(event_type as u32, ll::SDL_QUERY) };
+
+        result != ll::SDL_DISABLE
+    }
+
+    /// Enable an event type. Returns if the event type was enabled before the call.
+    pub fn enable_event(&mut self, event_type: EventType) -> bool {
+        let result = unsafe { ll::SDL_EventState(event_type as u32, ll::SDL_ENABLE) };
+
+        result != ll::SDL_DISABLE
+    }
+
+    /// Disable an event type. Returns if the event type was enabled before the call.
+    pub fn disable_event(&mut self, event_type: EventType) -> bool {
+        let result = unsafe { ll::SDL_EventState(event_type as u32, ll::SDL_DISABLE) };
+
+        result != ll::SDL_DISABLE
+    }
+
     /// Polls for currently pending events.
     ///
     /// If no events are pending, `None` is returned.