1 files changed, 46 insertions, 0 deletions
diff --git a/src/expanderwidget.h b/src/expanderwidget.h
new file mode 100644
index 00000000..da3eb9d6
--- /dev/null
+++ b/src/expanderwidget.h
@@ -0,0 +1,46 @@
+#ifndef EXPANDERWIDGET_H
+#define EXPANDERWIDGET_H
+
+#include <QToolButton>
+
+/* Takes a QToolButton and a widget and creates an expandable widget.
+**/
+class ExpanderWidget
+{
+public:
+  /** empty expander, use set()
+  **/
+  ExpanderWidget();
+
+  /** see set()
+  **/
+  ExpanderWidget(QToolButton* button, QWidget* content);
+
+  /** @brief sets the button and content widgets to use
+  * the button will be given an arrow icon, clicking it will toggle the
+  * visibility of the given widget
+  * @param button the button that toggles the content
+  * @param content the widget that will be shown or hidden
+  * @param opened initial state, defaults to closed
+  **/
+  void set(QToolButton* button, QWidget* content, bool opened=false);
+
+  /** either opens or closes the expander depending on the current state
+  **/
+  void toggle();
+
+  /** sets the current state of the expander
+  **/
+  void toggle(bool b);
+
+  /** returns whether the expander is currently opened
+  **/
+  bool opened() const;
+
+private:
+  QToolButton* m_button;
+  QWidget* m_content;
+  bool opened_;
+};
+
+#endif // EXPANDERWIDGET_H