VSTGUI  4.10
Graphical User Interface Framework not only for VST plugins
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CXYPad Class Reference
+ Inheritance diagram for CXYPad:

Public Member Functions

 CXYPad (const CRect &size=CRect(0, 0, 0, 0))
 
void setStopTrackingOnMouseExit (bool state)
 
bool getStopTrackingOnMouseExit () const
 
void setHandleBitmap (CBitmap *bitmap)
 
CBitmapgetHandleBitmap () const
 
void draw (CDrawContext *context) override
 called if the view should draw itself
 
void drawBack (CDrawContext *pContext, CBitmap *newBack=nullptr) override
 
void onMouseDownEvent (MouseDownEvent &event) override
 called when a mouse down event occurs
 
void onMouseUpEvent (MouseUpEvent &event) override
 called when a mouse up event occurs
 
void onMouseMoveEvent (MouseMoveEvent &event) override
 called when a mouse move event occurs
 
void onMouseCancelEvent (MouseCancelEvent &event) override
 called when mouse tracking should be canceled
 
void onMouseWheelEvent (MouseWheelEvent &event) override
 called when a mouse wheel event occurs
 
void onKeyboardEvent (KeyboardEvent &event) override
 called when a keyboard event is dispatched to this view
 
void setDefaultValue (float val) override
 set default value so that x and y default to val
 
void setDefaultValues (float x, float y)
 set default value for x and y
 
- Public Member Functions inherited from CParamDisplay
 CParamDisplay (const CRect &size, CBitmap *background=nullptr, int32_t style=0)
 
 CParamDisplay (const CParamDisplay &paramDisplay)
 
bool getFocusPath (CGraphicsPath &outPath) override
 the graphics path will be drawn filled with the evenodd method and the color set in CFrame::setFocusColor()
 
bool removed (CView *parent) override
 view is removed from parent view
 
CBaseObjectnewCopy () const override
 
virtual void setFont (CFontRef fontID)
 
const CFontRef getFont () const
 
virtual void setFontColor (CColor color)
 
CColor getFontColor () const
 
virtual void setBackColor (CColor color)
 
CColor getBackColor () const
 
virtual void setFrameColor (CColor color)
 
CColor getFrameColor () const
 
virtual void setShadowColor (CColor color)
 
CColor getShadowColor () const
 
virtual void setShadowTextOffset (const CPoint &offset)
 
CPoint getShadowTextOffset () const
 
virtual void setAntialias (bool state)
 
bool getAntialias () const
 
virtual void setHoriAlign (CHoriTxtAlign hAlign)
 
CHoriTxtAlign getHoriAlign () const
 
virtual void setTextInset (const CPoint &p)
 
CPoint getTextInset () const
 
virtual void setTextRotation (double angle)
 
double getTextRotation () const
 
virtual void setRoundRectRadius (const CCoord &radius)
 
CCoord getRoundRectRadius () const
 
virtual void setFrameWidth (const CCoord &width)
 
CCoord getFrameWidth () const
 
void setValueToStringFunction (const ValueToStringFunction &valueToStringFunc)
 
void setValueToStringFunction (ValueToStringFunction &&valueToStringFunc)
 
void setValueToStringFunction2 (const ValueToStringFunction2 &valueToStringFunc)
 
void setValueToStringFunction2 (ValueToStringFunction2 &&valueToStringFunc)
 
virtual void setStyle (int32_t val)
 
int32_t getStyle () const
 
virtual void setPrecision (uint8_t precision)
 
uint8_t getPrecision () const
 
virtual void setBackOffset (const CPoint &offset)
 
const CPointgetBackOffset () const
 
void copyBackOffset ()
 
- Public Member Functions inherited from CControl
 CControl (const CRect &size, IControlListener *listener=nullptr, int32_t tag=0, CBitmap *pBackground=nullptr)
 
 CControl (const CControl &c)
 
bool isDirty () const override
 check if view is dirty
 
void setDirty (bool val=true) override
 set the view to dirty so that it is redrawn in the next idle.
 
bool drawFocusOnTop () override
 draw focus before view will be drawn or afterwards
 
virtual void setValue (float val)
 
virtual float getValue () const
 
virtual void setValueNormalized (float val)
 
virtual float getValueNormalized () const
 
virtual float getMin () const
 
virtual float getMax () const
 
float getRange () const
 
virtual void setOldValue (float val)
 
virtual float getOldValue () const
 
virtual float getDefaultValue () const
 
virtual void bounceValue ()
 
virtual void valueChanged ()
 notifies listener and dependent objects
 
virtual void setTag (int32_t val)
 
virtual int32_t getTag () const
 
virtual void beginEdit ()
 
virtual void endEdit ()
 
bool isEditing () const
 
virtual IControlListenergetListener () const
 get main listener
 
virtual void setListener (IControlListener *l)
 set main listener
 
void registerControlListener (IControlListener *listener)
 register a sub listener
 
void unregisterControlListener (IControlListener *listener)
 unregister a sub listener
 
virtual void setWheelInc (float val)
 
virtual float getWheelInc () 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
 
virtual void onWindowActivate (bool state)
 called when the active state of the window changes
 
void setTooltipText (UTF8StringPtr text)
 
virtual CViewContainerasViewContainer ()
 
virtual const CViewContainerasViewContainer () const
 
CMouseEventResult callMouseListener (MouseListenerCall type, CPoint pos, CButtonState buttons)
 
void callMouseListenerEnteredExited (bool mouseEntered)
 
CMessageResult notify (CBaseObject *sender, IdStringPtr message) override
 
void beforeDelete () override
 
CBaseObjectnewCopy () const override
 
virtual void dispatchEvent (Event &event)
 dispatch an event
 
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 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)
 
CRectgetMouseableArea (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 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
 
virtual void setViewSize (const CRect &rect, bool invalid=true)
 set views size
 
const CRectgetViewSize () const
 read only access to view size
 
virtual CRect getVisibleViewSize () const
 returns the visible size of the view
 
virtual void parentSizeChanged ()
 notification that one of the views parent has changed its size
 
virtual CPointframeToLocal (CPoint &point) const
 conversion from frame coordinates to local view coordinates
 
virtual CPointlocalToFrame (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
 
CBitmapgetBackground () const
 get the background image of this view
 
virtual void setDisabledBackground (CBitmap *background)
 set background image used when the mouse is not enabled
 
CBitmapgetDisabledBackground () const
 get background image used when the mouse is not enabled
 
CBitmapgetDrawBackground () 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
 
virtual bool attached (CView *parent)
 view is attached to a parent view
 
bool isAttached () const
 is view attached to a parentView
 
CViewgetParentView () const
 get parent view
 
CFramegetFrame () const
 get frame
 
virtual VSTGUIEditorInterfacegetEditor () 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 >
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 >
translateToLocal (const T &t, bool ignoreFrame=false) const
 translates a local coordinate to a global one using parent transforms
 
virtual void drawRect (CDrawContext *pContext, const CRect &updateRect)
 called if the view should draw itself
 
virtual bool checkUpdate (const CRect &updateRect) const
 
virtual void invalidRect (const CRect &rect)
 mark rect as invalid
 
virtual void invalid ()
 mark whole view as invalid
 
virtual void setVisible (bool state)
 set visibility state
 
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 &)
 
CBaseObjectoperator= (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 &)
 
ReferenceCountedoperator= (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 IFocusDrawing
virtual ~IFocusDrawing () noexcept=default
 

Static Public Member Functions

static float calculateValue (float x, float y)
 
static void calculateXY (float value, float &x, float &y)
 

Protected Member Functions

void onMouseMove (MouseDownUpMoveEvent &event)
 
void setMin (float val) override
 
void setMax (float val) override
 
void boundValues (float &x, float &y)
 
- Protected Member Functions inherited from CParamDisplay
 ~CParamDisplay () noexceptoverride
 
virtual void drawPlatformText (CDrawContext *pContext, IPlatformString *string)
 
virtual void drawPlatformText (CDrawContext *pContext, IPlatformString *string, const CRect &size)
 
virtual void drawStyleChanged ()
 
- Protected Member Functions inherited from CControl
 ~CControl () noexceptoverride
 
- Protected Member Functions inherited from CView
 ~CView () noexceptoverride
 
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

float mouseStartValue
 
CPoint mouseChangeStartPoint
 
CPoint lastMouseChangePoint
 
bool stopTrackingOnMouseExit
 
SharedPointer< CBitmaphandle
 
- Protected Attributes inherited from CParamDisplay
ValueToStringFunction2 valueToStringFunction
 
CHoriTxtAlign horiTxtAlign
 
int32_t style
 
uint8_t valuePrecision
 
CFontRef fontID
 
CColor fontColor
 
CColor backColor
 
CColor frameColor
 
CColor shadowColor
 
CPoint textInset
 
CPoint shadowTextOffset {1., 1.}
 
CPoint backOffset
 
CCoord roundRectRadius
 
CCoord frameWidth
 
double textRotation
 
- Protected Attributes inherited from CControl
IControlListenerlistener
 
int32_t tag
 
float value
 

Additional Inherited Members

- Public Types inherited from CParamDisplay
enum  Style {
  kShadowText = 1 << StyleShadowText, k3DIn = 1 << Style3DIn, k3DOut = 1 << Style3DOut, kNoTextStyle = 1 << StyleNoText,
  kNoDrawStyle = 1 << StyleNoDraw, kRoundRectStyle = 1 << StyleRoundRect, kNoFrame = 1 << StyleNoFrame
}
 
using ValueToStringUserData = CParamDisplay
 
using ValueToStringFunction = std::function< bool(float value, char utf8String[256], CParamDisplay *display)>
 
using ValueToStringFunction2 = std::function< bool(float value, std::string &result, CParamDisplay *display)>
 
- Public Types inherited from CControl
using CheckDefaultValueEventFuncT = bool(*)(CControl *, MouseDownEvent &)
 
using CheckDefaultValueFuncT = bool(*)(CControl *, CButtonState)
 
- Static Public Attributes inherited from CControl
static CheckDefaultValueEventFuncT CheckDefaultValueEventFunc
 Function to check if a mouse down event should reset the value to its default value for a *control.
 
static int32_t kZoomModifier = kShift
 zoom modifier key, per default is the shift key
 
static int32_t kDefaultValueModifier = kControl
 
static CheckDefaultValueFuncT CheckDefaultValueFunc
 
- Protected Types inherited from CParamDisplay
enum  StyleEnum {
  StyleShadowText = 0, Style3DIn, Style3DOut, StyleNoText,
  StyleNoDraw, StyleRoundRect, StyleNoFrame, StyleAntialias,
  LastStyle
}
 
enum  StylePrivate { kAntialias = 1 << StyleAntialias }
 
- Static Protected Member Functions inherited from CControl
static int32_t mapVstKeyModifier (int32_t vstModifier)
 

Constructor & Destructor Documentation

CXYPad ( const CRect size = CRect (0, 0, 0, 0))
explicit

Member Function Documentation

void boundValues ( float &  x,
float &  y 
)
protected
static float calculateValue ( float  x,
float  y 
)
inlinestatic
static void calculateXY ( float  value,
float &  x,
float &  y 
)
inlinestatic
void draw ( CDrawContext pContext)
overridevirtual

called if the view should draw itself

Parameters
pContextdraw context in which to draw

Reimplemented from CParamDisplay.

void drawBack ( CDrawContext pContext,
CBitmap newBack = nullptr 
)
overridevirtual

Reimplemented from CParamDisplay.

CBitmap * getHandleBitmap ( ) const
bool getStopTrackingOnMouseExit ( ) const
inline
void onKeyboardEvent ( KeyboardEvent event)
overridevirtual

called when a keyboard event is dispatched to this view

This happens normally only if the view is the focus view.

Reimplemented from CView.

void onMouseCancelEvent ( MouseCancelEvent event)
overridevirtual

called when mouse tracking should be canceled

Reimplemented from CView.

void onMouseDownEvent ( MouseDownEvent event)
overridevirtual

called when a mouse down event occurs

Reimplemented from CView.

void onMouseMove ( MouseDownUpMoveEvent event)
protected
void onMouseMoveEvent ( MouseMoveEvent event)
overridevirtual

called when a mouse move event occurs

Reimplemented from CView.

void onMouseUpEvent ( MouseUpEvent event)
overridevirtual

called when a mouse up event occurs

Reimplemented from CView.

void onMouseWheelEvent ( MouseWheelEvent event)
overridevirtual

called when a mouse wheel event occurs

Reimplemented from CView.

void setDefaultValue ( float  val)
overridevirtual

set default value so that x and y default to val

Reimplemented from CControl.

void setDefaultValues ( float  x,
float  y 
)

set default value for x and y

void setHandleBitmap ( CBitmap bitmap)
void setMax ( float  val)
inlineoverrideprotectedvirtual

Reimplemented from CControl.

void setMin ( float  val)
inlineoverrideprotectedvirtual

Reimplemented from CControl.

void setStopTrackingOnMouseExit ( bool  state)
inline

Member Data Documentation

SharedPointer<CBitmap> handle
protected
CPoint lastMouseChangePoint
protected
CPoint mouseChangeStartPoint
protected
float mouseStartValue
protected
bool stopTrackingOnMouseExit
protected

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