a subview which uses OpenGL for drawing More...

Inheritance diagram for COpenGLView:

Public Member Functions
	COpenGLView (const CRect &size)

	~COpenGLView () noexceptoverride

void	drawOpenGL (const CRect &updateRect) override=0
	will be called when the view was marked invalid or the view was resized

void	reshape () override

void	setViewSize (const CRect &rect, bool invalid=true) override
	set views size

void	parentSizeChanged () override
	notification that one of the views parent has changed its size

bool	removed (CView *parent) override
	view is removed from parent view

bool	attached (CView *parent) override
	view is attached to a parent view

void	invalidRect (const CRect &rect) override
	mark rect as invalid

void	setVisible (bool state) override
	set visibility state

void	onScaleFactorChanged (CFrame *frame, double newScaleFactor) override

CBaseObject *	newCopy () const override

Public Member Functions inherited from CView
	CView (const CRect &size)

	CView (const CView &view)

void	setSubviewState (bool state)

bool	isSubview () const

virtual bool	wantsWindowActiveStateChangeNotification () const
	whether this view wants to be informed if the window's active state changes

virtual void	onWindowActivate (bool state)
	called when the active state of the window changes

void	setTooltipText (UTF8StringPtr text)

virtual CViewContainer *	asViewContainer ()

virtual const CViewContainer *	asViewContainer () const

CMouseEventResult	callMouseListener (MouseListenerCall type, CPoint pos, CButtonState buttons)

void	callMouseListenerEnteredExited (bool mouseEntered)

CMessageResult	notify (CBaseObject *sender, IdStringPtr message) override

void	beforeDelete () override

CBaseObject *	newCopy () const override

virtual void	dispatchEvent (Event &event)
	dispatch an event

virtual void	onMouseDownEvent (MouseDownEvent &event)
	called when a mouse down event occurs

virtual void	onMouseMoveEvent (MouseMoveEvent &event)
	called when a mouse move event occurs

virtual void	onMouseUpEvent (MouseUpEvent &event)
	called when a mouse up event occurs

virtual void	onMouseCancelEvent (MouseCancelEvent &event)
	called when mouse tracking should be canceled

virtual void	onMouseEnterEvent (MouseEnterEvent &event)
	called when the mouse enters this view

virtual void	onMouseExitEvent (MouseExitEvent &event)
	called when the mouse leaves this view

virtual void	onMouseWheelEvent (MouseWheelEvent &event)
	called when a mouse wheel event occurs

virtual void	onZoomGestureEvent (ZoomGestureEvent &event)
	called when a zoom gesture event occurs

virtual void	setMouseEnabled (bool bEnable=true)
	turn on/off mouse usage for this view

bool	getMouseEnabled () const
	get the state of wheather this view uses the mouse or not

virtual void	setMouseableArea (const CRect &rect)
	set the area in which the view reacts to the mouse

CRect	getMouseableArea () const
	get the area in which the view reacts to the mouse

virtual CMouseEventResult	onMouseDown (CPoint &where, const CButtonState &buttons)
	do not use any longer.

virtual CMouseEventResult	onMouseUp (CPoint &where, const CButtonState &buttons)
	do not use any longer.

virtual CMouseEventResult	onMouseMoved (CPoint &where, const CButtonState &buttons)
	do not use any longer.

virtual CMouseEventResult	onMouseCancel ()
	do not use any longer.

virtual CMouseEventResult	onMouseEntered (CPoint &where, const CButtonState &buttons)
	do not use any longer.

virtual CMouseEventResult	onMouseExited (CPoint &where, const CButtonState &buttons)
	do not use any longer.

virtual bool	onWheel (const CPoint &where, const float &distance, const CButtonState &buttons) final

virtual bool	onWheel (const CPoint &where, const CMouseWheelAxis &axis, const float &distance, const CButtonState &buttons)

CRect &	getMouseableArea (CRect &rect) const
	get the area in which the view reacts to the mouse

void	setHitTestPath (CGraphicsPath *path)

virtual bool	hitTest (const CPoint &where, const Event &event=noEvent())
	check if where hits this view

bool	doDrag (const DragDescription &dragDescription, const SharedPointer< IDragCallback > &callback={})
	A drag can only be started from within onMouseDown or onMouseMove.

virtual SharedPointer < IDropTarget >	getDropTarget ()
	get the drag target for drag and drop handling

void	setDropTarget (const SharedPointer< IDropTarget > &dt)
	set a custom drop target

DragResult	doDrag (IDataPackage source, const CPoint &offset=CPoint(0, 0), CBitmap dragBitmap=nullptr)
	a drag can only be started from within onMouseDown

virtual void	onKeyboardEvent (KeyboardEvent &event)
	called when a keyboard event is dispatched to this view

virtual int32_t	onKeyDown (VstKeyCode &keyCode)
	called if a key down event occurs and this view has focus

virtual int32_t	onKeyUp (VstKeyCode &keyCode)
	called if a key up event occurs and this view has focus

CCoord	getHeight () const
	get the height of the view

CCoord	getWidth () const
	get the width of the view

const CRect &	getViewSize () const
	read only access to view size

virtual CRect	getVisibleViewSize () const
	returns the visible size of the view

virtual CPoint &	frameToLocal (CPoint &point) const
	conversion from frame coordinates to local view coordinates

virtual CPoint &	localToFrame (CPoint &point) const
	conversion from local view coordinates to frame coordinates

virtual void	setAutosizeFlags (int32_t flags)
	set autosize flags

int32_t	getAutosizeFlags () const
	get autosize flags

virtual bool	sizeToFit ()
	resize view to optimal size

virtual void	looseFocus ()
	called if view should loose focus

virtual void	takeFocus ()
	called if view should take focus

virtual bool	wantsFocus () const
	check if view supports focus

virtual void	setWantsFocus (bool state)
	set focus support on/off

bool	getAttributeSize (const CViewAttributeID id, uint32_t &outSize) const
	get the size of an attribute

bool	getAttribute (const CViewAttributeID id, const uint32_t inSize, void *outData, uint32_t &outSize) const
	get an attribute

bool	setAttribute (const CViewAttributeID id, const uint32_t inSize, const void *inData)
	set an attribute

bool	removeAttribute (const CViewAttributeID id)
	remove an attribute

template<typename T >
bool	setAttribute (const CViewAttributeID id, const T &data)
	set an attribute

template<typename T >
bool	getAttribute (const CViewAttributeID id, T &data) const
	get an attribute

virtual void	setBackground (CBitmap *background)
	set the background image of this view

CBitmap *	getBackground () const
	get the background image of this view

virtual void	setDisabledBackground (CBitmap *background)
	set background image used when the mouse is not enabled

CBitmap *	getDisabledBackground () const
	get background image used when the mouse is not enabled

CBitmap *	getDrawBackground () const
	get the bitmap which is drawn depending on the enabled state.

virtual void	setTransparency (bool val)
	set views transparent state

bool	getTransparency () const
	get views transparent state

virtual void	setAlphaValue (float alpha)
	set alpha value which will be applied when drawing this view

float	getAlphaValue () const
	get alpha value

bool	isAttached () const
	is view attached to a parentView

CView *	getParentView () const
	get parent view

CFrame *	getFrame () const
	get frame

virtual VSTGUIEditorInterface *	getEditor () const
	get editor

void	addAnimation (IdStringPtr name, Animation::IAnimationTarget target, Animation::ITimingFunction timingFunction, CBaseObject *notificationObject)

void	addAnimation (IdStringPtr name, Animation::IAnimationTarget target, Animation::ITimingFunction timingFunction, const Animation::DoneFunction &doneFunc=nullptr, bool callDoneOnCancel=false)

void	removeAnimation (IdStringPtr name)

void	removeAllAnimations ()

void	registerViewListener (IViewListener *listener)

void	unregisterViewListener (IViewListener *listener)

void	registerViewEventListener (IViewEventListener *listener)

void	unregisterViewEventListener (IViewEventListener *listener)

void	registerViewMouseListener (IViewMouseListener *listener)

void	unregisterViewMouseListener (IViewMouseListener *listener)

CGraphicsTransform	getGlobalTransform (bool ignoreFrame=false) const
	get the active global transform for this view

template<typename T >
T &	translateToGlobal (T &t, bool ignoreFrame=false) const
	translates a local coordinate to a global one using parent transforms

template<typename T >
T	translateToGlobal (const T &t, bool ignoreFrame=false) const
	translates a local coordinate to a global one using parent transforms

template<typename T >
T &	translateToLocal (T &t, bool ignoreFrame=false) const
	translates a global coordinate to a local one using parent transforms

template<typename T >
T	translateToLocal (const T &t, bool ignoreFrame=false) const
	translates a local coordinate to a global one using parent transforms

virtual void	draw (CDrawContext *pContext)
	called if the view should draw itself

virtual void	drawRect (CDrawContext *pContext, const CRect &updateRect)
	called if the view should draw itself

virtual bool	checkUpdate (const CRect &updateRect) const

virtual bool	isDirty () const
	check if view is dirty

virtual void	setDirty (bool val=true)
	set the view to dirty so that it is redrawn in the next idle.

virtual void	invalid ()
	mark whole view as invalid

bool	isVisible () const
	get visibility state

virtual void	onIdle ()
	called on idle when view wants idle

void	setWantsIdle (bool state)
	enable/disable onIdle() callback

bool	wantsIdle () const
	returns if the view wants idle callback or not

Public Member Functions inherited from CBaseObject
	CBaseObject ()=default

	~CBaseObject () noexceptoverride=default

	CBaseObject (const CBaseObject &)

CBaseObject &	operator= (const CBaseObject &)

virtual CMessageResult	notify ([[maybe_unused]] CBaseObject *sender,[[maybe_unused]] IdStringPtr message)

Public Member Functions inherited from ReferenceCounted< T >
	ReferenceCounted ()=default

virtual	~ReferenceCounted () noexcept=default

	ReferenceCounted (const ReferenceCounted &)

ReferenceCounted &	operator= (const ReferenceCounted &)

void	forget () override
	decrease refcount and delete object if refcount == 0

void	remember () override
	increase refcount

virtual int32_t	getNbReference () const
	get refcount

Public Member Functions inherited from IScaleFactorChangedListener
virtual	~IScaleFactorChangedListener () noexcept=default

Protected Member Functions
COpenGLView Methods
virtual void	platformOpenGLViewCreated ()
	will be called after the platform opengl view was created

virtual void	platformOpenGLViewWillDestroy ()
	will be called before the platform opengl view will be destroyed

virtual void	platformOpenGLViewSizeChanged ()
	will be called whenever the platform opengl view size has changed

virtual PixelFormat *	getPixelFormat ()
	subclasses should return a pixelformat here if they don't want to use the default one

IPlatformOpenGLView *	getPlatformOpenGLView () const

Protected Member Functions inherited from CView
	~CView () noexceptoverride

CGraphicsPath *	getHitTestPath () const

bool	hasViewFlag (int32_t bit) const

void	setViewFlag (int32_t bit, bool state)

void	setAlphaValueNoInvalidate (float value)

void	setParentFrame (CFrame *frame)

void	setParentView (CView *parent)

Additional Inherited Members
Public Types inherited from CView
enum	MouseListenerCall { MouseDown, MouseMoved, MouseUp, MouseCancel }

Static Public Attributes inherited from CView
static bool	kDirtyCallAlwaysOnMainThread = false
	if this is true, setting a view dirty will call invalid() instead of checking it in idle.

static uint32_t	idleRate = 30
	global idle rate in Hz, defaults to 30 Hz

Protected Types inherited from CView
enum	{ kMouseEnabled = 1 << 0, kTransparencyEnabled = 1 << 1, kWantsFocus = 1 << 2, kIsAttached = 1 << 3, kVisible = 1 << 4, kDirty = 1 << 5, kWantsIdle = 1 << 6, kIsSubview = 1 << 7, kHasAlpha = 1 << 8, kHasBackground = 1 << 9, kHasDisabledBackground = 1 << 10, kHasMouseableArea = 1 << 11, kLastCViewFlag = 11 }

Detailed Description

a subview which uses OpenGL for drawing

Constructor & Destructor Documentation

COpenGLView ( const CRect & size )

explicit

~COpenGLView ( )

overridenoexcept

Member Function Documentation

bool attached ( CView * parent )

overridevirtual

view is attached to a parent view

Parameters

parent parent view

Returns: true if view successfully attached to parent

Reimplemented from CView.

void drawOpenGL ( const CRect & updateRect )

overridepure virtual

will be called when the view was marked invalid or the view was resized

virtual PixelFormat* getPixelFormat ( )

inlineprotectedvirtual

subclasses should return a pixelformat here if they don't want to use the default one

IPlatformOpenGLView* getPlatformOpenGLView ( ) const

inlineprotected

void invalidRect ( const CRect & rect )

overridevirtual

mark rect as invalid

Parameters

rect	rect to invalidate

Reimplemented from CView.

CBaseObject* newCopy ( ) const

inlineoverride

void onScaleFactorChanged	(	CFrame *	frame,
		double	newScaleFactor
	)

overridevirtual

Implements IScaleFactorChangedListener.

void parentSizeChanged ( )

overridevirtual

notification that one of the views parent has changed its size

Reimplemented from CView.

virtual void platformOpenGLViewCreated ( )

inlineprotectedvirtual

will be called after the platform opengl view was created

virtual void platformOpenGLViewSizeChanged ( )

inlineprotectedvirtual

will be called whenever the platform opengl view size has changed

virtual void platformOpenGLViewWillDestroy ( )

inlineprotectedvirtual

will be called before the platform opengl view will be destroyed

bool removed ( CView * parent )

overridevirtual

view is removed from parent view

Parameters

parent parent view

Returns: true if view successfully removed from parent

Reimplemented from CView.

void reshape ( )

override

void setViewSize	(	const CRect &	newSize,
		bool	doInvalid = `true`
	)

overridevirtual

set views size

Parameters

newSize	rect of new size of view
doInvalid	if true set view dirty

Reimplemented from CView.

void setVisible ( bool state )

overridevirtual

set visibility state

Reimplemented from CView.

The documentation for this class was generated from the following files:

copenglview.h
copenglview.cpp

Public Member Functions

Protected Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation