Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/lib/controls/cswitch.h

@@ -0,0 +1,190 @@
+// This file is part of VSTGUI. It is subject to the license terms 
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#pragma once
+
+#include "ccontrol.h"
+#include "../cbitmap.h"
+#include <algorithm>
+
+namespace VSTGUI {
+
+//-----------------------------------------------------------------------------
+class CSwitchBase : public CControl,
+					public MultiFrameBitmapView<CSwitchBase>
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+,
+					public IMultiBitmapControl
+#endif
+{
+public:
+	void setInverseBitmap (bool state);
+	bool getInverseBitmap () const { return inverseBitmap; }
+
+protected:
+	CSwitchBase (const CRect& size, IControlListener* listener, int32_t tag, CBitmap* background);
+	CSwitchBase (const CSwitchBase& other);
+	~CSwitchBase () noexcept override = default;
+
+	void draw (CDrawContext*) override;
+	CMouseEventResult onMouseDown (CPoint& where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseUp (CPoint& where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseMoved (CPoint& where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseCancel () override;
+	bool sizeToFit () override;
+
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+	CSwitchBase (const CRect& size, IControlListener* listener, int32_t tag, int32_t subPixmaps,
+				 CCoord heightOfOneImage, int32_t iMaxPositions, CBitmap* background,
+				 const CPoint& offset = CPoint (0, 0));
+	void setNumSubPixmaps (int32_t numSubPixmaps) override
+	{
+		IMultiBitmapControl::setNumSubPixmaps (numSubPixmaps);
+		invalid ();
+	}
+	const CPoint& getOffset () const { return offset; }
+#endif
+
+	double getCoef () const { return coef; }
+	int32_t normalizedToIndex (float norm) const;
+	float indexToNormalized (int32_t index) const;
+
+	virtual double calculateCoef () const = 0;
+	virtual float calcNormFromPoint (const CPoint& where) const = 0;
+
+	VSTGUI_DEPRECATED_MSG (static bool useLegacyIndexCalculation;
+						   , "Use CMultiFrameBitmap::normalizedValueToFrameIndex() instead")
+
+private:
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+	CPoint offset {};
+#endif
+	double coef;
+	float mouseStartValue;
+	bool inverseBitmap{false};
+};
+
+//-----------------------------------------------------------------------------
+// CVerticalSwitch Declaration
+//! @brief a vertical switch control
+/// @ingroup controls uses_multi_frame_bitmaps
+//-----------------------------------------------------------------------------
+class CVerticalSwitch : public CSwitchBase
+{
+public:
+	CVerticalSwitch (const CRect& size, IControlListener* listener, int32_t tag,
+					 CBitmap* background);
+	CVerticalSwitch (const CVerticalSwitch& vswitch);
+
+	void onKeyboardEvent (KeyboardEvent& event) override;
+
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+	CVerticalSwitch (const CRect& size, IControlListener* listener, int32_t tag, int32_t subPixmaps,
+					 CCoord heightOfOneImage, int32_t iMaxPositions, CBitmap* background,
+					 const CPoint& offset = CPoint (0, 0));
+#endif
+
+	CLASS_METHODS(CVerticalSwitch, CControl)
+protected:
+	~CVerticalSwitch () noexcept override = default;
+
+	double calculateCoef () const override;
+	float calcNormFromPoint (const CPoint& where) const override;
+};
+
+
+//-----------------------------------------------------------------------------
+// CHorizontalSwitch Declaration
+//! @brief a horizontal switch control
+/// @ingroup controls uses_multi_frame_bitmaps
+//-----------------------------------------------------------------------------
+class CHorizontalSwitch : public CSwitchBase
+{
+public:
+	CHorizontalSwitch (const CRect& size, IControlListener* listener, int32_t tag,
+					   CBitmap* background);
+	CHorizontalSwitch (const CHorizontalSwitch& hswitch);
+
+	void onKeyboardEvent (KeyboardEvent& event) override;
+
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+	CHorizontalSwitch (const CRect& size, IControlListener* listener, int32_t tag,
+					   int32_t subPixmaps, CCoord heightOfOneImage, int32_t iMaxPositions,
+					   CBitmap* background, const CPoint& offset = CPoint (0, 0));
+#endif
+
+	CLASS_METHODS(CHorizontalSwitch, CControl)
+protected:
+	~CHorizontalSwitch () noexcept override = default;
+
+	double calculateCoef () const override;
+	float calcNormFromPoint (const CPoint& where) const override;
+};
+
+//-----------------------------------------------------------------------------
+// CRockerSwitch Declaration
+//! @brief a switch control with 3 sub bitmaps
+/// @ingroup controls use_multi_frame_bitmaps
+//-----------------------------------------------------------------------------
+class CRockerSwitch : public CControl,
+					  public MultiFrameBitmapView<CRockerSwitch>
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+,
+					  public IMultiBitmapControl
+#endif
+{
+private:
+	enum StyleEnum
+	{
+		StyleHorizontal = 0,
+		StyleVertical,
+	};
+public:
+	enum Style
+	{
+		kHorizontal = 1 << StyleHorizontal,
+		kVertical = 1 << StyleVertical,
+	};
+
+	CRockerSwitch (const CRect& size, IControlListener* listener, int32_t tag, CBitmap* background,
+				   const int32_t style = kHorizontal);
+	CRockerSwitch (const CRockerSwitch& rswitch);
+
+	void draw (CDrawContext*) override;
+	void onMouseWheelEvent (MouseWheelEvent& event) override;
+
+	CMouseEventResult onMouseDown (CPoint& where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseUp (CPoint& where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseMoved (CPoint& where, const CButtonState& buttons) override;
+	CMouseEventResult onMouseCancel () override;
+	void onKeyboardEvent (KeyboardEvent& event) override;
+
+	bool sizeToFit () override;
+
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+	CRockerSwitch (const CRect& size, IControlListener* listener, int32_t tag, CBitmap* background,
+				   const CPoint& offset, const int32_t style = kHorizontal);
+	CRockerSwitch (const CRect& size, IControlListener* listener, int32_t tag,
+				   CCoord heightOfOneImage, CBitmap* background,
+				   const CPoint& offset = CPoint (0, 0), const int32_t style = kHorizontal);
+	void setNumSubPixmaps (int32_t numSubPixmaps) override { IMultiBitmapControl::setNumSubPixmaps (numSubPixmaps); invalid (); }
+#endif
+
+	CLASS_METHODS(CRockerSwitch, CControl)
+protected:
+	~CRockerSwitch () noexcept override;
+
+	CMessageResult notify (CBaseObject* sender, IdStringPtr message) override;
+
+#if VSTGUI_ENABLE_DEPRECATED_METHODS
+	CPoint offset {};
+#endif
+	int32_t	style;
+
+	CVSTGUITimer* resetValueTimer;
+private:
+	float mouseStartValue;
+};
+
+} // VSTGUI