rename header files from *.h to *.hpp

src/widgets/textinputdialog.hpp

@@ -0,0 +1,43 @@
+#pragma once
+
+#include <QDialog>
+#include <QHBoxLayout>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QString>
+#include <QVBoxLayout>
+
+namespace chatterino {
+namespace widgets {
+
+class TextInputDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    TextInputDialog(QWidget *parent = NULL);
+
+    QString getText() const
+    {
+        return _lineEdit.text();
+    }
+
+    void setText(const QString &text)
+    {
+        _lineEdit.setText(text);
+    }
+
+private:
+    QVBoxLayout _vbox;
+    QLineEdit _lineEdit;
+    QHBoxLayout _buttonBox;
+    QPushButton _okButton;
+    QPushButton _cancelButton;
+
+private slots:
+    void okButtonClicked();
+    void cancelButtonClicked();
+};
+
+}  // namespace widgets
+}  // namespace chatterino