Initial release
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// This file is part of VSTGUI. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this
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// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
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#pragma once
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#include "../ccolor.h"
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#include "../enumbitset.h"
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#include "ccontrol.h"
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namespace VSTGUI {
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//------------------------------------------------------------------------
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class CSliderBase : public CControl, protected CMouseWheelEditingSupport
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{
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public:
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enum Style : int32_t
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{
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kHorizontal,
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kVertical,
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kLeft,
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kRight,
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kTop,
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kBottom,
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};
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using Styles = EnumBitset<Style>;
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CSliderBase (const CRect& size, IControlListener* listener, int32_t tag);
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CSliderBase (const CSliderBase& slider);
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void setOffsetHandle (const CPoint& val);
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CPoint getOffsetHandle () const;
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void setStyle (Styles style);
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Styles getStyle () const;
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bool isStyleHorizontal () const;
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bool isStyleRight () const;
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bool isStyleBottom () const;
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bool isInverseStyle () const;
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void setZoomFactor (float val);
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float getZoomFactor () const;
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void setSliderMode (CSliderMode mode);
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CSliderMode getSliderMode () const;
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CSliderMode getEffectiveSliderMode () const;
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static void setGlobalMode (CSliderMode mode);
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static CSliderMode getGlobalMode ();
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// overrides
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CMouseEventResult onMouseDown (CPoint& where, const CButtonState& buttons) override;
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CMouseEventResult onMouseUp (CPoint& where, const CButtonState& buttons) override;
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CMouseEventResult onMouseMoved (CPoint& where, const CButtonState& buttons) override;
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CMouseEventResult onMouseCancel () override;
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void onMouseWheelEvent (MouseWheelEvent& event) override;
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void onKeyboardEvent (KeyboardEvent& event) override;
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void setViewSize (const CRect& rect, bool invalid) override;
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static bool kAlwaysUseZoomFactor;
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protected:
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~CSliderBase () noexcept;
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CRect calculateHandleRect (float normValue) const;
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// for sub-classes to access private variables:
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void setHandleSizePrivate (CCoord width, CCoord height);
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CPoint getHandleSizePrivate () const;
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CPoint getControlSizePrivate () const;
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void setHandleRangePrivate (CCoord range);
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void setHandleMinPosPrivate (CCoord pos);
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CCoord getHandleMinPosPrivate () const;
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private:
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void updateInternalHandleValues ();
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float calculateDelta (const CPoint& where, CRect* handleRect = nullptr) const;
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void doRamping ();
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struct Impl;
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std::unique_ptr<Impl> impl;
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};
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//------------------------------------------------------------------------
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// CSlider Declaration
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//! @brief a slider control
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/// @ingroup controls
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//------------------------------------------------------------------------
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class CSlider : public CSliderBase
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{
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private:
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public:
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CSlider (const CRect& size, IControlListener* listener, int32_t tag, int32_t iMinPos,
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int32_t iMaxPos, CBitmap* handle, CBitmap* background,
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const CPoint& offset = CPoint (0, 0), Styles style = {{kLeft, kHorizontal}});
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CSlider (const CRect& rect, IControlListener* listener, int32_t tag, const CPoint& offsetHandle,
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int32_t rangeHandle, CBitmap* handle, CBitmap* background,
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const CPoint& offset = CPoint (0, 0), Styles style = {{kLeft, kHorizontal}});
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CSlider (const CSlider& slider);
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//------------------------------------------------------------------------
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/// @name CSlider Methods
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//------------------------------------------------------------------------
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//@{
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VSTGUI_DEPRECATED (
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/** \deprecated use setBackgroundOffset */
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virtual void setOffset (const CPoint& val);)
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VSTGUI_DEPRECATED (
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/** \deprecated use getBackgroundOffset*/
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virtual CPoint getOffset () const;)
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/** set background draw offset */
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void setBackgroundOffset (const CPoint& offset);
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/** get background draw offset */
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CPoint getBackgroundOffset () const;
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virtual void setHandle (CBitmap* pHandle);
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virtual CBitmap* getHandle () const;
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//@}
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//------------------------------------------------------------------------
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/// @name Draw Style Methods
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//------------------------------------------------------------------------
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//@{
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enum DrawStyle
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{
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kDrawFrame = 1 << 0,
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kDrawBack = 1 << 1,
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kDrawValue = 1 << 2,
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kDrawValueFromCenter = 1 << 3,
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kDrawInverted = 1 << 4
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};
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virtual void setDrawStyle (int32_t style);
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virtual void setFrameWidth (CCoord width);
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virtual void setFrameColor (CColor color);
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virtual void setBackColor (CColor color);
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virtual void setValueColor (CColor color);
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int32_t getDrawStyle () const;
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CCoord getFrameWidth () const;
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CColor getFrameColor () const;
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CColor getBackColor () const;
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CColor getValueColor () const;
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//@}
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// overrides
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void draw (CDrawContext*) override;
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bool sizeToFit () override;
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CLASS_METHODS (CSlider, CControl)
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protected:
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~CSlider () noexcept override;
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struct Impl;
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std::unique_ptr<Impl> impl;
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};
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//------------------------------------------------------------------------
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// CVerticalSlider Declaration
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//! @brief a vertical slider control
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/// @ingroup controls
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//------------------------------------------------------------------------
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class CVerticalSlider : public CSlider
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{
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public:
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CVerticalSlider (const CRect& size, IControlListener* listener, int32_t tag, int32_t iMinPos,
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int32_t iMaxPos, CBitmap* handle, CBitmap* background,
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const CPoint& offset = CPoint (0, 0), Styles style = kBottom);
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CVerticalSlider (const CRect& rect, IControlListener* listener, int32_t tag,
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const CPoint& offsetHandle, int32_t rangeHandle, CBitmap* handle,
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CBitmap* background, const CPoint& offset = CPoint (0, 0),
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Styles style = kBottom);
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CVerticalSlider (const CVerticalSlider& slider) = default;
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};
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//------------------------------------------------------------------------
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// CHorizontalSlider Declaration
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//! @brief a horizontal slider control
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/// @ingroup controls
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//------------------------------------------------------------------------
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class CHorizontalSlider : public CSlider
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{
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public:
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CHorizontalSlider (const CRect& size, IControlListener* listener, int32_t tag, int32_t iMinPos,
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int32_t iMaxPos, CBitmap* handle, CBitmap* background,
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const CPoint& offset = CPoint (0, 0), Styles style = kRight);
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CHorizontalSlider (const CRect& rect, IControlListener* listener, int32_t tag,
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const CPoint& offsetHandle, int32_t rangeHandle, CBitmap* handle,
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CBitmap* background, const CPoint& offset = CPoint (0, 0),
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Styles style = kRight);
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CHorizontalSlider (const CHorizontalSlider& slider) = default;
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};
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} // VSTGUI
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