From ccf859fe805afe8db3aa694df5d26da7778dfc68 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 24 Sep 2014 14:27:10 +0200
Subject: [PATCH] InputHandler: only call listeners when the key's state has
changed
---
src/control/InputHandler.hpp | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/src/control/InputHandler.hpp b/src/control/InputHandler.hpp
index 1a34982..7eb98a9 100644
--- a/src/control/InputHandler.hpp
+++ b/src/control/InputHandler.hpp
@@ -51,17 +51,17 @@ public:
}
void keyPressed(uint16_t key, uint64_t time) {
- pressedKeys.insert(key);
-
- for (auto &listener : listeners)
- listener(key, true, time);
+ if (pressedKeys.insert(key).second) {
+ for (auto &listener : listeners)
+ listener(key, true, time);
+ }
}
void keyReleased(uint16_t key, uint64_t time) {
- pressedKeys.erase(key);
-
- for (auto &listener : listeners)
- listener(key, false, time);
+ if (pressedKeys.erase(key)) {
+ for (auto &listener : listeners)
+ listener(key, false, time);
+ }
}
bool isKeyPressed(uint16_t key) {