Handle Show / Close of the Filter Box

when you close, remove filter. when you open again, restore.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>

desktop-widgets/filterwidget2.cpp

@@ -81,5 +81,19 @@ void FilterWidget2::updateFilter()
 	data.equipment = ui->equipment->text().split(",", QString::SkipEmptyParts);
 	data.invertFilter = ui->invertFilter->isChecked();
 
+	filterData = data;
+	emit filterDataChanged(data);
+}
+
+void FilterWidget2::showEvent(QShowEvent *event)
+{
+	QWidget::showEvent(event);
+	emit filterDataChanged(filterData);
+}
+
+void FilterWidget2::hideEvent(QHideEvent *event)
+{
+	QWidget::hideEvent(event);
+	FilterData data;
 	emit filterDataChanged(data);
 }

desktop-widgets/filterwidget2.h

@@ -2,6 +2,8 @@
 #define FILTERWIDGET_2_H
 
 #include <QWidget>
+#include <QHideEvent>
+#include <QShowEvent>
 
 #include <memory>
 
@@ -18,12 +20,16 @@ class FilterWidget2 : public QWidget {
 public:
 	explicit FilterWidget2(QWidget *parent = 0);
 	void updateFilter();
+protected:
+	void hideEvent(QHideEvent *event) override;
+	void showEvent(QShowEvent *event) override;
 
 signals:
 	void filterDataChanged(const FilterData& data);
 
 private:
 	std::unique_ptr<Ui::FilterWidget2> ui;
+	FilterData filterData;
 };
 
 #endif