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TransientMessageWidget.h

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+/* 
+ * File:   TransientMessageWidget.h
+ * Author: SET - nmset@netcourrier.com
+ * License : LGPL v2.1
+ * Copyright SET - © 2019
+ *
+ * Created on 16 octobre 2019, 18:25
+ */
+
+#ifndef TRANSIENTMESSAGEWIDGET_H
+#define TRANSIENTMESSAGEWIDGET_H
+
+#include <Wt/WText.h>
+#include <Wt/WTimer.h>
+#include <list>
+
+using namespace Wt;
+using namespace std;
+
+/**
+ * A transient stacked message zone.
+ * By default, 8 messages can be stacked in a list shown
+ * in the tool tip; each message is shown for 10 seconds. 
+ */
+class TransientMessageWidget : public WText
+{
+public:
+    TransientMessageWidget();
+    TransientMessageWidget(const WString& text);
+    TransientMessageWidget(const WString& text, TextFormat textFormat);
+    virtual ~TransientMessageWidget();
+
+    void SetInterval(std::chrono::milliseconds interval)
+    {
+        m_timer.setInterval(interval);
+    }
+
+    std::chrono::milliseconds Interval()
+    {
+        return m_timer.interval();
+    }
+
+    void SetStackSize(uint sz)
+    {
+        m_stackSize = sz;
+    }
+
+    uint GetStackSize()
+    {
+        return m_stackSize;
+    }
+    /**
+     * Main function to show and pile up messages.
+     * @param text
+     * @param stack
+     */
+    void SetText(const WString& text, bool stack = true);
+private:
+    uint m_stackSize;
+    std::chrono::milliseconds m_interval;
+    WTimer m_timer;
+    list<WString> m_stack;
+
+    void Init();
+    void OnTimer();
+};
+
+#endif /* TRANSIENTMESSAGEWIDGET_H */
+