VSTGUI  4.10
Graphical User Interface Framework not only for VST plugins
CShadowViewContainer Class Reference

a view container which draws a shadow for it's subviews More...

+ Inheritance diagram for CShadowViewContainer:

Public Member Functions

 CShadowViewContainer (const CRect &size)
 
 CShadowViewContainer (const CShadowViewContainer &copy)
 
 ~CShadowViewContainer () noexcept override
 
bool removed (CView *parent) override
 view is removed from parent view More...
 
bool attached (CView *parent) override
 view is attached to a parent view More...
 
void drawRect (CDrawContext *pContext, const CRect &updateRect) override
 called if the view should draw itself More...
 
void drawBackgroundRect (CDrawContext *pContext, const CRect &_updateRect) override
 draw the background More...
 
void setViewSize (const CRect &rect, bool invalid=true) override
 set views size More...
 
CMessageResult notify (CBaseObject *sender, IdStringPtr message) override
 
void onScaleFactorChanged (CFrame *frame, double newScaleFactor) override
 
CBaseObjectnewCopy () const override
 
CShadowViewContainer Methods
virtual void setShadowOffset (const CPoint &offset)
 
const CPointgetShadowOffset () const
 
virtual void setShadowIntensity (float intensity)
 
float getShadowIntensity () const
 
virtual void setShadowBlurSize (double size)
 
double getShadowBlurSize () const
 
void invalidateShadow ()
 
- Public Member Functions inherited from CViewContainer
 CViewContainer (const CRect &size)
 CViewContainer constructor. More...
 
 CViewContainer (const CViewContainer &viewContainer)
 
virtual bool advanceNextFocusView (CView *oldFocus, bool reverse=false)
 
virtual bool invalidateDirtyViews ()
 
virtual CRect getVisibleSize (const CRect &rect) const
 
void setTransform (const CGraphicsTransform &t)
 
const CGraphicsTransformgetTransform () const
 
void registerViewContainerListener (IViewContainerListener *listener)
 
void unregisterViewContainerListener (IViewContainerListener *listener)
 
void draw (CDrawContext *pContext) override
 
void drawRect (CDrawContext *pContext, const CRect &updateRect) override
 
CMouseEventResult onMouseDown (CPoint &where, const CButtonState &buttons) override
 called when a mouse down event occurs More...
 
CMouseEventResult onMouseUp (CPoint &where, const CButtonState &buttons) override
 called when a mouse up event occurs More...
 
CMouseEventResult onMouseMoved (CPoint &where, const CButtonState &buttons) override
 called when a mouse move event occurs More...
 
CMouseEventResult onMouseCancel () override
 called when mouse tracking should be canceled More...
 
bool onWheel (const CPoint &where, const CMouseWheelAxis &axis, const float &distance, const CButtonState &buttons) override
 called if a mouse wheel event is happening over this view More...
 
bool hitTest (const CPoint &where, const CButtonState &buttons=-1) override
 
CMessageResult notify (CBaseObject *sender, IdStringPtr message) override
 
SharedPointer< IDropTargetgetDropTarget () override
 get the drag target for drag and drop handling More...
 
void looseFocus () override
 called if view should loose focus More...
 
void takeFocus () override
 called if view should take focus More...
 
bool isDirty () const override
 check if view is dirty More...
 
void invalid () override
 mark whole view as invalid More...
 
void invalidRect (const CRect &rect) override
 mark rect as invalid More...
 
void setViewSize (const CRect &rect, bool invalid=true) override
 
void parentSizeChanged () override
 notification that one of the views parent has changed its size More...
 
bool sizeToFit () override
 resize view to optimal size More...
 
bool removed (CView *parent) override
 view is removed from parent view More...
 
bool attached (CView *parent) override
 view is attached to a parent view More...
 
CPointframeToLocal (CPoint &point) const override
 conversion from frame coordinates to local view coordinates More...
 
CPointlocalToFrame (CPoint &point) const override
 conversion from local view coordinates to frame coordinates More...
 
CBaseObjectnewCopy () const override
 
CViewContainerasViewContainer () final
 
const CViewContainerasViewContainer () const final
 
bool addView (CView *pView, const CRect &mouseableArea, bool mouseEnabled=true)
 add a child view More...
 
virtual bool addView (CView *pView, CView *pBefore=nullptr)
 add a child view before another view More...
 
virtual bool removeView (CView *pView, bool withForget=true)
 remove a child view More...
 
virtual bool removeAll (bool withForget=true)
 remove all child views More...
 
bool isChild (CView *pView) const
 check if pView is a child view of this container More...
 
virtual bool isChild (CView *pView, bool deep) const
 check if pView is a child view of this container More...
 
virtual bool hasChildren () const
 check if container has child views More...
 
virtual uint32_t getNbViews () const
 get the number of child views More...
 
virtual CViewgetView (uint32_t index) const
 get the child view at index More...
 
virtual CViewgetViewAt (const CPoint &where, const GetViewOptions &options=GetViewOptions()) const
 get the view at point where More...
 
virtual CViewContainergetContainerAt (const CPoint &where, const GetViewOptions &options=GetViewOptions().deep()) const
 get the container at point where More...
 
virtual bool getViewsAt (const CPoint &where, ViewList &views, const GetViewOptions &options=GetViewOptions().deep()) const
 get all views at point where, top->down More...
 
virtual bool changeViewZOrder (CView *view, uint32_t newIndex)
 change view z order position More...
 
virtual bool hitTestSubViews (const CPoint &where, const CButtonState &buttons=-1)
 
virtual void setAutosizingEnabled (bool state)
 enable or disable autosizing subviews. More...
 
bool getAutosizingEnabled () const
 
template<class ViewClass , class ContainerClass >
uint32_t getChildViewsOfType (ContainerClass &result, bool deep=false) const
 get child views of type ViewClass. More...
 
template<typename Proc >
void forEachChild (Proc proc) const
 execute proc for each child view More...
 
virtual void setBackgroundColor (const CColor &color)
 set the background color (will only be drawn if this container is not set to transparent and does not have a background bitmap) More...
 
virtual CColor getBackgroundColor () const
 get the background color More...
 
virtual void setBackgroundOffset (const CPoint &p)
 set the offset of the background bitmap More...
 
virtual CPoint getBackgroundOffset () const
 get the offset of the background bitmap More...
 
virtual void setBackgroundColorDrawStyle (CDrawStyle style)
 
CDrawStyle getBackgroundColorDrawStyle () const
 
- 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 More...
 
virtual void onWindowActivate (bool state)
 called when the active state of the window changes More...
 
void setTooltipText (UTF8StringPtr text)
 
CMouseEventResult callMouseListener (MouseListenerCall type, CPoint pos, CButtonState buttons)
 
void callMouseListenerEnteredExited (bool mouseEntered)
 
CBaseObjectnewCopy () const override
 
virtual CMouseEventResult onMouseEntered (CPoint &where, const CButtonState &buttons)
 called when the mouse enters this view More...
 
virtual CMouseEventResult onMouseExited (CPoint &where, const CButtonState &buttons)
 called when the mouse leaves this view More...
 
void setHitTestPath (CGraphicsPath *path)
 
virtual bool onWheel (const CPoint &where, const float &distance, const CButtonState &buttons) final
 
virtual void setMouseEnabled (bool bEnable=true)
 turn on/off mouse usage for this view More...
 
bool getMouseEnabled () const
 get the state of wheather this view uses the mouse or not More...
 
void setMouseableArea (const CRect &rect)
 set the area in which the view reacts to the mouse More...
 
CRectgetMouseableArea (CRect &rect) const
 get the area in which the view reacts to the mouse More...
 
CRect getMouseableArea () const
 get the area in which the view reacts to the mouse More...
 
bool doDrag (const DragDescription &dragDescription, const SharedPointer< IDragCallback > &callback={})
 start a drag operation More...
 
void setDropTarget (const SharedPointer< IDropTarget > &dt)
 set a custom drop target More...
 
DragResult doDrag (IDataPackage *source, const CPoint &offset=CPoint(0, 0), CBitmap *dragBitmap=nullptr)
 a drag can only be started from within onMouseDown More...
 
virtual int32_t onKeyDown (VstKeyCode &keyCode)
 called if a key down event occurs and this view has focus More...
 
virtual int32_t onKeyUp (VstKeyCode &keyCode)
 called if a key up event occurs and this view has focus More...
 
CCoord getHeight () const
 get the height of the view More...
 
CCoord getWidth () const
 get the width of the view More...
 
const CRectgetViewSize () const
 read only access to view size More...
 
virtual CRect getVisibleViewSize () const
 returns the visible size of the view More...
 
virtual void setAutosizeFlags (int32_t flags)
 set autosize flags More...
 
int32_t getAutosizeFlags () const
 get autosize flags More...
 
virtual bool wantsFocus () const
 check if view supports focus More...
 
virtual void setWantsFocus (bool state)
 set focus support on/off More...
 
bool getAttributeSize (const CViewAttributeID id, uint32_t &outSize) const
 get the size of an attribute More...
 
bool getAttribute (const CViewAttributeID id, const uint32_t inSize, void *outData, uint32_t &outSize) const
 get an attribute More...
 
bool setAttribute (const CViewAttributeID id, const uint32_t inSize, const void *inData)
 set an attribute More...
 
bool removeAttribute (const CViewAttributeID id)
 remove an attribute More...
 
template<typename T >
bool setAttribute (const CViewAttributeID id, const T &data)
 set an attribute More...
 
template<typename T >
bool getAttribute (const CViewAttributeID id, T &data) const
 get an attribute More...
 
virtual void setBackground (CBitmap *background)
 set the background image of this view More...
 
CBitmapgetBackground () const
 get the background image of this view More...
 
virtual void setDisabledBackground (CBitmap *background)
 set background image used when the mouse is not enabled More...
 
CBitmapgetDisabledBackground () const
 get background image used when the mouse is not enabled More...
 
CBitmapgetDrawBackground () const
 get the bitmap which is drawn depending on the enabled state. More...
 
virtual void setTransparency (bool val)
 set views transparent state More...
 
bool getTransparency () const
 get views transparent state More...
 
virtual void setAlphaValue (float alpha)
 set alpha value which will be applied when drawing this view More...
 
float getAlphaValue () const
 get alpha value More...
 
bool isAttached () const
 is view attached to a parentView More...
 
CViewgetParentView () const
 get parent view More...
 
CFramegetFrame () const
 get frame More...
 
virtual VSTGUIEditorInterfacegetEditor () const
 get editor More...
 
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)
 
void removeAnimation (IdStringPtr name)
 
void removeAllAnimations ()
 
void registerViewListener (IViewListener *listener)
 
void unregisterViewListener (IViewListener *listener)
 
void registerViewMouseListener (IViewMouseListener *listener)
 
void unregisterViewMouseListener (IViewMouseListener *listener)
 
CGraphicsTransform getGlobalTransform (bool ignoreFrame=false) const
 get the active global transform for this view More...
 
template<typename T >
T & translateToGlobal (T &t, bool ignoreFrame=false) const
 translates a local coordinate to a global one using parent transforms More...
 
template<typename T >
translateToGlobal (const T &t, bool ignoreFrame=false) const
 translates a local coordinate to a global one using parent transforms More...
 
template<typename T >
T & translateToLocal (T &t, bool ignoreFrame=false) const
 translates a global coordinate to a local one using parent transforms More...
 
template<typename T >
translateToLocal (const T &t, bool ignoreFrame=false) const
 translates a local coordinate to a global one using parent transforms More...
 
virtual bool checkUpdate (const CRect &updateRect) const
 
virtual void setDirty (bool val=true)
 set the view to dirty so that it is redrawn in the next idle. More...
 
virtual void setVisible (bool state)
 set visibility state More...
 
bool isVisible () const
 get visibility state More...
 
virtual void onIdle ()
 called on idle when view wants idle More...
 
void setWantsIdle (bool state)
 enable/disable onIdle() callback More...
 
bool wantsIdle () const
 returns if the view wants idle callback or not More...
 
- Public Member Functions inherited from CBaseObject
 CBaseObject ()=default
 
 ~CBaseObject () noexcept override=default
 
 CBaseObject (const CBaseObject &o)
 
CBaseObjectoperator= (const CBaseObject &obj)
 
- Public Member Functions inherited from ReferenceCounted< T >
 ReferenceCounted ()=default
 
virtual ~ReferenceCounted () noexcept=default
 
 ReferenceCounted (const ReferenceCounted &)
 
ReferenceCountedoperator= (const ReferenceCounted &)
 
void forget () override
 decrease refcount and delete object if refcount == 0 More...
 
void remember () override
 increase refcount More...
 
virtual int32_t getNbReference () const
 get refcount More...
 
- Public Member Functions inherited from IScaleFactorChangedListener
virtual ~IScaleFactorChangedListener () noexcept=default
 
- Public Member Functions inherited from ViewContainerListenerAdapter
void viewContainerViewAdded (CViewContainer *container, CView *view) override
 
void viewContainerViewRemoved (CViewContainer *container, CView *view) override
 
void viewContainerViewZOrderChanged (CViewContainer *container, CView *view) override
 
void viewContainerTransformChanged (CViewContainer *container) override
 
- Public Member Functions inherited from IViewContainerListener
virtual ~IViewContainerListener () noexcept=default
 

Protected Member Functions

void viewContainerViewAdded (CViewContainer *container, CView *view) override
 
void viewContainerViewRemoved (CViewContainer *container, CView *view) override
 
void viewContainerViewZOrderChanged (CViewContainer *container, CView *view) override
 
void beforeDelete () override
 
- Protected Member Functions inherited from CViewContainer
 ~CViewContainer () noexcept override
 
void beforeDelete () override
 
virtual bool checkUpdateRect (CView *view, const CRect &rect)
 check if view needs to be updated for rect More...
 
void setMouseDownView (CView *view)
 
CViewgetMouseDownView () const
 
const ViewListgetChildren () const
 
- Protected Member Functions inherited from CView
 ~CView () noexcept override
 
CGraphicsPathgetHitTestPath () 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)
 

Protected Attributes

bool dontDrawBackground
 
CPoint shadowOffset
 
float shadowIntensity
 
double shadowBlurSize
 
double scaleFactorUsed
 

Additional Inherited Members

- Public Types inherited from CViewContainer
using ViewList = std::list< SharedPointer< CView > >
 
using ChildViewConstIterator = ViewList::const_iterator
 
using ChildViewConstReverseIterator = ViewList::const_reverse_iterator
 
- 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. More...
 
static uint32_t idleRate
 global idle rate in Hz, defaults to 30 Hz More...
 
- Protected Types inherited from CViewContainer
enum  { kAutosizeSubviews = 1 << (CView::kLastCViewFlag + 1) }
 
- 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 view container which draws a shadow for it's subviews

Constructor & Destructor Documentation

◆ CShadowViewContainer() [1/2]

CShadowViewContainer ( const CRect size)
explicit

◆ CShadowViewContainer() [2/2]

◆ ~CShadowViewContainer()

~CShadowViewContainer ( )
overridedefaultnoexcept

Member Function Documentation

◆ attached()

bool attached ( CView parent)
overridevirtual

view is attached to a parent view

Parameters
parentparent view
Returns
true if view successfully attached to parent

Reimplemented from CView.

◆ beforeDelete()

void beforeDelete ( )
overrideprotectedvirtual

Reimplemented from ReferenceCounted< T >.

◆ drawBackgroundRect()

void drawBackgroundRect ( CDrawContext pContext,
const CRect _updateRect 
)
overridevirtual

draw the background

Parameters
pContextthe context which to use to draw the background
_updateRectthe area which to draw

Reimplemented from CViewContainer.

◆ drawRect()

void drawRect ( CDrawContext pContext,
const CRect updateRect 
)
overridevirtual

called if the view should draw itself

Reimplemented from CView.

◆ getShadowBlurSize()

double getShadowBlurSize ( ) const
inline

◆ getShadowIntensity()

float getShadowIntensity ( ) const
inline

◆ getShadowOffset()

const CPoint& getShadowOffset ( ) const
inline

◆ invalidateShadow()

void invalidateShadow ( )

◆ newCopy()

CBaseObject* newCopy ( ) const
inlineoverride

◆ notify()

CMessageResult notify ( CBaseObject sender,
IdStringPtr  message 
)
overridevirtual

Reimplemented from CBaseObject.

◆ onScaleFactorChanged()

void onScaleFactorChanged ( CFrame frame,
double  newScaleFactor 
)
overridevirtual

◆ removed()

bool removed ( CView parent)
overridevirtual

view is removed from parent view

Parameters
parentparent view
Returns
true if view successfully removed from parent

Reimplemented from CView.

◆ setShadowBlurSize()

void setShadowBlurSize ( double  size)
virtual

◆ setShadowIntensity()

void setShadowIntensity ( float  intensity)
virtual

◆ setShadowOffset()

void setShadowOffset ( const CPoint offset)
virtual

◆ setViewSize()

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

set views size

Parameters
newSizerect of new size of view
doInvalidif true set view dirty

Reimplemented from CView.

◆ viewContainerViewAdded()

void viewContainerViewAdded ( CViewContainer container,
CView view 
)
overrideprotectedvirtual

◆ viewContainerViewRemoved()

void viewContainerViewRemoved ( CViewContainer container,
CView view 
)
overrideprotectedvirtual

◆ viewContainerViewZOrderChanged()

void viewContainerViewZOrderChanged ( CViewContainer container,
CView view 
)
overrideprotectedvirtual

Member Data Documentation

◆ dontDrawBackground

bool dontDrawBackground
protected

◆ scaleFactorUsed

double scaleFactorUsed
protected

◆ shadowBlurSize

double shadowBlurSize
protected

◆ shadowIntensity

float shadowIntensity
protected

◆ shadowOffset

CPoint shadowOffset
protected

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