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authorPetr Mrázek <peterix@gmail.com>2016-04-10 15:53:05 +0200
committerPetr Mrázek <peterix@gmail.com>2016-05-01 00:00:14 +0200
commitb6d455a02bd338e9dc0faa09d4d8177ecd8d569a (patch)
tree41982bca1ede50049f2f8c7109dd18edeefde6d0 /api/logic/QObjectPtr.h
parent47e37635f50c09b4f9a9ee7699e3120bab3e4088 (diff)
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NOISSUE reorganize and document libraries
Diffstat (limited to 'api/logic/QObjectPtr.h')
-rw-r--r--api/logic/QObjectPtr.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/api/logic/QObjectPtr.h b/api/logic/QObjectPtr.h
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+++ b/api/logic/QObjectPtr.h
@@ -0,0 +1,78 @@
+#pragma once
+
+#include <memory>
+#include <QObject>
+
+namespace details
+{
+struct DeleteQObjectLater
+{
+ void operator()(QObject *obj) const
+ {
+ obj->deleteLater();
+ }
+};
+}
+/**
+ * A unique pointer class with unique pointer semantics intended for derivates of QObject
+ * Calls deleteLater() instead of destroying the contained object immediately
+ */
+template<typename T> using unique_qobject_ptr = std::unique_ptr<T, details::DeleteQObjectLater>;
+
+/**
+ * A shared pointer class with shared pointer semantics intended for derivates of QObject
+ * Calls deleteLater() instead of destroying the contained object immediately
+ */
+template <typename T>
+class shared_qobject_ptr
+{
+public:
+ shared_qobject_ptr(){}
+ shared_qobject_ptr(T * wrap)
+ {
+ reset(wrap);
+ }
+ shared_qobject_ptr(const shared_qobject_ptr<T>& other)
+ {
+ m_ptr = other.m_ptr;
+ }
+ template<typename Derived>
+ shared_qobject_ptr(const shared_qobject_ptr<Derived> &other)
+ {
+ m_ptr = other.unwrap();
+ }
+
+public:
+ void reset(T * wrap)
+ {
+ using namespace std::placeholders;
+ m_ptr.reset(wrap, std::bind(&QObject::deleteLater, _1));
+ }
+ void reset()
+ {
+ m_ptr.reset();
+ }
+ T * get() const
+ {
+ return m_ptr.get();
+ }
+ T * operator->() const
+ {
+ return m_ptr.get();
+ }
+ T & operator*() const
+ {
+ return *m_ptr.get();
+ }
+ operator bool() const
+ {
+ return m_ptr.get() != nullptr;
+ }
+ const std::shared_ptr <T> unwrap() const
+ {
+ return m_ptr;
+ }
+
+private:
+ std::shared_ptr <T> m_ptr;
+};