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engines/ultima/ultima8/gumps/paged_gump.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ULTIMA8_GUMPS_PAGEDGUMP_H
+#define ULTIMA8_GUMPS_PAGEDGUMP_H
+
+#include "ultima/ultima8/gumps/modal_gump.h"
+#include "ultima/ultima8/misc/classtype.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+/**
+ * Base class for gumps which have multiple pages (books, save/load game)
+ */
+class PagedGump : public ModalGump {
+public:
+	ENABLE_RUNTIME_CLASSTYPE()
+
+	PagedGump(int left, int right, int top, int shape);
+	~PagedGump() override;
+
+	// Init the gump, call after construction
+	void InitGump(Gump *newparent, bool take_focus = true) override;
+	void Close(bool no_del = false) override;
+
+	// Paint the Gump
+	void PaintThis(RenderSurface *, int32 lerp_factor, bool scaled) override;
+
+	void onMouseDouble(int button, int32 mx, int32 my) override;
+	bool OnKeyDown(int key, int mod) override;
+	void ChildNotify(Gump *child, uint32 message) override;
+
+	//! add a page. Note: g already has to be a child gump.
+	void addPage(Gump *g);
+	void showPage(uint index);
+
+	void enableButtons(bool enabled) {
+		_buttonsEnabled = enabled;
+	}
+
+	bool loadData(Common::ReadStream *rs);
+	void saveData(Common::WriteStream *ws) override;
+
+protected:
+	int _leftOff, _rightOff, _topOff, _gumpShape;
+	Common::Array<Gump *> _gumps;
+	Gump *_nextButton;
+	Gump *_prevButton;
+	uint _current;
+	bool _buttonsEnabled;
+};
+
+} // End of namespace Ultima8
+} // End of namespace Ultima
+
+#endif