1 files changed, 84 insertions, 0 deletions
diff --git a/dggui/tabwidget.h b/dggui/tabwidget.h
new file mode 100644
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--- /dev/null
+++ b/dggui/tabwidget.h
@@ -0,0 +1,84 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            tabwidget.h
+ *
+ *  Thu Nov 24 17:46:22 CET 2016
+ *  Copyright 2016 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 "widget.h"
+#include "tabbutton.h"
+#include "stackedwidget.h"
+#include "texture.h"
+
+namespace GUI
+{
+
+class TabWidget
+	: public Widget
+{
+public:
+	TabWidget(Widget *parent);
+
+	//! Add new tab to the tab widget.
+	//! \param title The title to display on the tab button.
+	//! \param widget The widget to show in the tab.
+	//! \returns The TabID of the newly added tab.
+	TabID addTab(const std::string& title, Widget* widget);
+
+	std::size_t getBarHeight() const;
+
+	void setTabWidth(std::size_t width);
+	std::size_t getTabWidth() const;
+
+	void setVisible(TabID tab_id, bool visible);
+
+private:
+	//! Callback for Widget::sizeChangeNotifier
+	void sizeChanged(int width, int height);
+
+private:
+	void relayout();
+	//! Switch to the next tab if delta is > 0 or previous tab if delta is <= 0.
+	void rotateTab(float delta);
+	void switchTab(Widget* tabWidget);
+	void setActiveButtons(Widget* current_widget);
+
+	const TabButton* getButtonFromWidget(const Widget* tab_widget);
+
+	std::list<TabButton> buttons;
+	StackedWidget stack;
+
+	TexturedBox topbar{getImageCache(), ":resources/topbar.png",
+			0, 0, // atlas offset (x, y)
+			1, 1, 1, // dx1, dx2, dx3
+			17, 1, 1}; // dy1, dy2, dy3
+
+	Texture toplogo{getImageCache(), ":resources/toplogo.png",
+			0, 0, // atlas offset (x, y)
+			95, 17}; // width, height
+
+	std::size_t tab_width{64};
+};
+
+} // GUI::