From a26f9a0ae7ac2fdbd66b635a11df23fe76f554f7 Mon Sep 17 00:00:00 2001
From: Sebastian Gaida <gaida@ca-digit.com>
Date: Thu, 20 May 2021 15:12:19 +0200
Subject: [PATCH] [#14] add event struct
added event struct to projekt
supports lambda functionality of event handling
main of first triangle will add a example
---
config/Sources.cmake | 2 ++
include/vkcv/Event.hpp | 62 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 64 insertions(+)
create mode 100644 include/vkcv/Event.hpp
diff --git a/config/Sources.cmake b/config/Sources.cmake
index 0d0a3787..9d2c7b1f 100644
--- a/config/Sources.cmake
+++ b/config/Sources.cmake
@@ -51,4 +51,6 @@ set(vkcv_sources
${vkcv_source}/vkcv/Framebuffer.hpp
${vkcv_source}/vkcv/Framebuffer.cpp
+
+ ${vkcv_include}/vkcv/Event.hpp
)
diff --git a/include/vkcv/Event.hpp b/include/vkcv/Event.hpp
new file mode 100644
index 00000000..2d30059c
--- /dev/null
+++ b/include/vkcv/Event.hpp
@@ -0,0 +1,62 @@
+#pragma once
+
+namespace vkcv {
+
+ template<typename... T>
+ struct event_function {
+ typedef std::function<void(T...)> type;
+ };
+
+ /**
+ * template for event handling
+ * @tparam T parameter list
+ */
+ template<typename... T>
+ struct event {
+ private:
+ std::vector<typename event_function<T...>::type> m_handles;
+
+ public:
+
+ /**
+ * calls all function handles with the given arguments
+ * @param arguments of the given function
+ */
+ void operator()(T... arguments) {
+ for (auto &handle : this->m_handles) {
+ handle(arguments...);
+ }
+ }
+
+ /**
+ * adds a function handle to the event to be called
+ * @param handle of the function
+ */
+ void add(typename event_function<T...>::type handle) {
+ this->m_handles.push_back(handle);
+ }
+
+ /**
+ * removes a function handle of the event
+ * @param handle of the function
+ */
+ void remove(typename event_function<T...>::type handle) {
+ this->m_handles.erase(
+ remove(this->m_handles.begin(), this->m_handles.end(), handle),
+ this->m_handles.end()
+ );
+ }
+
+ event() = default;
+
+ event(const event &other) = delete;
+
+ event(event &&other) = delete;
+
+ ~event() = default;
+
+ event &operator=(const event &other) = delete;
+
+ event &operator=(event &&other) = delete;
+ };
+}
--
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