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engines/hpl1/engine/gui/WidgetSlider.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_SLIDER_H
+#define HPL_WIDGET_SLIDER_H
+
+#include "hpl1/engine/gui/Widget.h"
+
+namespace hpl {
+
+class cGuiSkinFont;
+
+class cWidgetButton;
+
+//---------------------------------------------
+
+class cWidgetSlider : public iWidget {
+public:
+	cWidgetSlider(cGuiSet *apSet, cGuiSkin *apSkin, eWidgetSliderOrientation aOrientation);
+	virtual ~cWidgetSlider();
+
+	int GetValue() { return mlValue; }
+	void SetValue(int alValue);
+
+	int GetMaxValue() { return mlMaxValue; }
+	void SetMaxValue(int alMax);
+
+	int GetButtonValueAdd() { return mlButtonValueAdd; }
+	void SetButtonValueAdd(int alAdd);
+
+	int GetBarValueSize() { return mlBarValueSize; }
+	void SetBarValueSize(int alSize);
+
+	float GetButtonSize() const { return mfButtonSize; }
+
+protected:
+	/////////////////////////
+	// Own functions
+	void UpdateBarProperties();
+
+	bool ArrowButtonDown(iWidget *apWidget, cGuiMessageData &aData);
+	kGuiCalllbackDeclarationEnd(ArrowButtonDown);
+
+	/////////////////////////
+	// Implemented functions
+	void OnInit();
+	void OnLoadGraphics();
+	void OnChangeSize();
+	void OnChangePosition();
+
+	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 OnLostFocus(cGuiMessageData &aData);
+
+	/////////////////////////
+	// Data
+	eWidgetSliderOrientation mOrientation;
+
+	bool mbPressed;
+
+	float mfButtonSize;
+
+	int mlValue;
+	int mlMaxValue;
+	int mlButtonValueAdd;
+	int mlBarValueSize; // This is how big the bar is compared to the max value of the slider
+	float mfValueStep;
+
+	cVector3f mvBarPos;
+	cVector2f mvBarSize;
+	float mfSliderSize;
+	cRect2f mBarRect;
+	float mfMaxPos;
+	float mfMinPos;
+
+	cVector2f mvRelMousePos;
+
+	cWidgetButton *mvButtons[2];
+
+	cGuiGfxElement *mpGfxButtonBackground;
+	cGuiGfxElement *mvGfxBorders[4];
+	cGuiGfxElement *mvGfxCorners[4];
+
+	cGuiGfxElement *mvGfxArrow[2];
+	cGuiGfxElement *mpGfxBackground;
+};
+
+} // namespace hpl
+
+#endif // HPL_WIDGET_SLIDER_H