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engines/ultima/ultima8/gumps/slider_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_SLIDERGUMP_H
+#define ULTIMA8_GUMPS_SLIDERGUMP_H
+
+#include "ultima/ultima8/gumps/modal_gump.h"
+#include "ultima/ultima8/misc/classtype.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+class UCProcess;
+class RenderedText;
+
+/**
+ * A slider that lets you choose how many things to move (eg, when moving stacked items in the backpack)
+ */
+class SliderGump : public ModalGump {
+public:
+	ENABLE_RUNTIME_CLASSTYPE()
+
+	SliderGump();
+	SliderGump(int x, int y, int16 min, int16 max,
+	           int16 value, int16 delta = 1);
+	~SliderGump() override;
+
+	void InitGump(Gump *newparent, bool take_focus = true) override;
+	void PaintThis(RenderSurface *surf, int32 lerp_factor, bool scaled) override;
+	void Close(bool no_del = false) override;
+	void ChildNotify(Gump *child, uint32 message) override;
+
+	void setUsecodeNotify(UCProcess *ucp);
+
+	bool OnKeyDown(int key, int mod) override;
+
+	bool loadData(Common::ReadStream *rs, uint32 version);
+	void saveData(Common::WriteStream *ws) override;
+
+protected:
+	int16 _min;
+	int16 _max;
+	int16 _delta;
+	int16 _value;
+
+	uint16 _usecodeNotifyPID;
+
+	int16 _renderedValue;
+	RenderedText *_renderedText;
+
+	void setSliderPos();
+	void drawText(RenderSurface *surf);
+};
+
+} // End of namespace Ultima8
+} // End of namespace Ultima
+
+#endif