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engines/hpl1/engine/gui/WidgetListBox.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/>.
+ *
+ */
+
+/*
+ * Copyright (C) 2006-2010 - Frictional Games
+ *
+ * This file is part of HPL1 Engine.
+ */
+
+#ifndef HPL_WIDGET_LIST_BOX_H
+#define HPL_WIDGET_LIST_BOX_H
+
+#include "hpl1/engine/gui/Widget.h"
+#include "hpl1/engine/gui/WidgetBaseClasses.h"
+
+namespace hpl {
+
+class cGuiSkinFont;
+
+class cWidgetSlider;
+
+class cWidgetListBox : public iWidget, public iWidgetItemContainer {
+public:
+	cWidgetListBox(cGuiSet *apSet, cGuiSkin *apSkin);
+	virtual ~cWidgetListBox();
+
+	void SetBackgroundZ(float afZ) { mfBackgroundZ = afZ; }
+	float GetBackgroundZ() { return mfBackgroundZ; }
+
+	void SetSelectedItem(int alX, bool abMoveList = false);
+	int GetSelectedItem() { return mlSelectedItem; }
+
+protected:
+	/////////////////////////
+	// Own functions
+	void UpdateProperties();
+
+	bool DrawText(iWidget *apWidget, cGuiMessageData &aData);
+	kGuiCalllbackDeclarationEnd(DrawText);
+
+	bool MoveSlider(iWidget *apWidget, cGuiMessageData &aData);
+	kGuiCalllbackDeclarationEnd(MoveSlider);
+
+	/////////////////////////
+	// Implemented functions
+	void OnLoadGraphics();
+	void OnInit();
+	void OnChangeSize();
+
+	void OnDraw(float afTimeStep, cGuiClipRegion *apClipRegion);
+
+	bool OnMouseMove(cGuiMessageData &aData);
+	bool OnMouseDown(cGuiMessageData &aData);
+	bool OnMouseUp(cGuiMessageData &aData);
+	bool OnMouseEnter(cGuiMessageData &aData);
+	bool OnMouseLeave(cGuiMessageData &aData);
+
+	bool OnKeyPress(cGuiMessageData &aData);
+
+	/////////////////////////
+	// Data
+	float mfBackgroundZ;
+	float mfSliderWidth;
+
+	int mlFirstItem;
+	int mlMaxItems;
+
+	int mlSelectedItem;
+
+	cGuiGfxElement *mpGfxBackground;
+
+	cGuiGfxElement *mpGfxSelection;
+
+	cGuiGfxElement *mvGfxBorders[4];
+	cGuiGfxElement *mvGfxCorners[4];
+
+	cWidgetSlider *mpSlider;
+};
+
+} // namespace hpl
+
+#endif // HPL_WIDGET_LIST_BOX_H