Renamed C++ headers to .hpp

[pulseview.git] / pv / view / selectableitem.hpp

diff --git a/pv/view/selectableitem.hpp b/pv/view/selectableitem.hpp
new file mode 100644 (file)
index 0000000..36ff0db
--- /dev/null
+++ b/pv/view/selectableitem.hpp
@@ -0,0 +1,107 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef PULSEVIEW_PV_SELECTABLEITEM_H
+#define PULSEVIEW_PV_SELECTABLEITEM_H
+
+#include <list>
+
+#include <QPen>
+
+class QAction;
+class QMenu;
+class QWidget;
+
+namespace pv {
+
+namespace widgets {
+class Popup;
+}
+
+namespace view {
+
+class SelectableItem : public QObject
+{
+       Q_OBJECT
+
+private:
+       static const int HighlightRadius;
+
+public:
+       SelectableItem();
+
+public:
+       /**
+        * Returns true if the item has been selected by the user.
+        */
+       bool selected() const;
+
+       /**
+        * Selects or deselects the signal.
+        */
+       void select(bool select = true);
+
+       /**
+        * Returns true if the item is being dragged.
+        */
+       bool dragging() const;
+
+       /**
+        * Retunrns the current drag point.
+        */
+       QPoint drag_point() const;
+
+       /**
+        * Sets this item into the dragged state.
+        */
+       void drag();
+
+       /**
+        * Sets this item into the un-dragged state.
+        */
+       void drag_release();
+
+       /**
+        * Get the drag point.
+        */
+       virtual QPoint point() const = 0;
+
+public:
+       virtual QMenu* create_context_menu(QWidget *parent);
+
+       virtual pv::widgets::Popup* create_popup(QWidget *parent) = 0;
+
+       virtual void delete_pressed();
+
+protected:
+       static QPen highlight_pen();
+
+protected:
+       QWidget *context_parent_;
+
+private:
+       bool selected_;
+       QPoint drag_point_;
+};
+
+} // namespace view
+} // namespace pv
+
+#endif // PULSEVIEW_PV_SELECTABLEITEM_H