New upstream version 3.2.1+dfsg1upstream/3.2.1+dfsg1

1 files changed, 34 insertions, 0 deletions

diff --git a/SQLiteStudio3/coreSQLiteStudio/common/lazytrigger.h b/SQLiteStudio3/coreSQLiteStudio/common/lazytrigger.h
new file mode 100644
index 0000000..9c34395
--- /dev/null
+++ b/SQLiteStudio3/coreSQLiteStudio/common/lazytrigger.h
@@ -0,0 +1,34 @@
+#ifndef LAZYTRIGGER_H
+#define LAZYTRIGGER_H
+
+#include "coreSQLiteStudio_global.h"
+#include <QObject>
+#include <functional>
+
+class QTimer;
+
+class API_EXPORT LazyTrigger : public QObject
+{
+    Q_OBJECT
+
+    public:
+        typedef std::function<bool()> Condition;
+
+        LazyTrigger(int delay, QObject* parent = nullptr, const char* slot = nullptr);
+        LazyTrigger(int delay, Condition condition, QObject* parent = nullptr, const char* slot = nullptr);
+
+        void setDelay(int delay);
+
+    private:
+        QTimer* timer = nullptr;
+        Condition condition = nullptr;
+
+    public slots:
+        void schedule();
+        void cancel();
+
+    signals:
+        void triggered();
+};
+
+#endif // LAZYTRIGGER_H