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+/* -*- Mode: c++ -*- */
+/***************************************************************************
+ * helpbutton.h
+ *
+ * Wed May 8 17:10:08 CEST 2019
+ * Copyright 2019 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * DrumGizmo 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#pragma once
+
+#include "texture.h"
+#include "button_base.h"
+#include "tooltip.h"
+
+namespace GUI
+{
+
+class HelpButton
+ : public ButtonBase
+{
+public:
+ HelpButton(Widget* parent);
+ virtual ~HelpButton() = default;
+
+ void setHelpText(const std::string& help_text);
+
+protected:
+ // From Widget:
+ virtual void repaintEvent(RepaintEvent* repaintEvent) override;
+
+private:
+ void showHelpText();
+
+ Texture normal{getImageCache(), ":resources/help_button.png", 0, 0, 16, 16};
+ Texture pushed{getImageCache(), ":resources/help_button.png", 16, 0, 16, 16};
+
+ Tooltip tip;
+};
+
+} // GUI::