ButtonImageSrc : uint8_t

Enumerates the images for different button states.

ButtonState : uint8_t

Enumerates the states of this button.

UIButton ()

A constructor used to create a UIButton instance.

UIButton (const char id)

A constructor used to create a UIButton instance based on the button ID.

~UIButton ()

virtual 

A destructor used to delete the UIButton instance.

GetViewType () const override

UIViewType 

Obtains the component type.

OnPreDraw (const Rect &invalidatedArea) override

bool 

Do something before draw, this function will be invoked mainly to check if this view need to cover invalidate area so render manager can decide which layer to draw firstly.

OnDraw (const Rect &invalidatedArea) override

void 

Executes the draw action.

OnPressEvent (const PressEvent &event) override

void 

Executes the press event action.

OnReleaseEvent (const ReleaseEvent &event) override

void 

Executes the press release event action.

OnCancelEvent (const CancelEvent &event) override

void 

Executes the cancel event action.

SetImageSrc (const char defaultImgSrc, const char triggeredImgSrc)

void 

Sets the image for this button.

SetImageSrc (const ImageInfo defaultImgSrc, const ImageInfo triggeredImgSrc)

void 

Sets the image for this button.

SetImagePosition (const int16_t x, const int16_t y)

void 

Sets the position for this image.

GetImageX () const

int16_t 

Obtains the x-coordinate of this image.

GetImageY () const

int16_t 

Obtains the y-coordinate of this image.

GetCurImageSrc () const

const Image  

Obtains the image for the current button state.

GetWidth () override

int16_t 

Obtains the width of this image.

GetHeight () override

int16_t 

Obtains the height of this image.

SetWidth (int16_t width) override

void 

Sets the width for this image.

SetHeight (int16_t height) override

void 

Sets the height for this image.

GetContentRect () override

virtual Rect 

Obtains a rectangular area that contains coordinate information.

GetStyle (uint8_t key) const override

int64_t 

Obtains the value of a style.

SetStyle (uint8_t key, int64_t value) override

void 

Sets a style.

GetStyleForState (uint8_t key, ButtonState state) const

int64_t 

Obtains the style of a button in a specific state.

SetStyleForState (uint8_t key, int64_t value, ButtonState state)

void 

Sets the style for a button in a specific state.

Disable ()

void 

Disables this button.

Enable ()

void 

Enables this button.

SetStateForStyle (ButtonState state)

void 

Sets the state for a button. After the setting, calling SetStyle will change the style of this button, but not its state.

UIView ()

A default constructor used to create an UIView instance.

UIView (const char id)

A constructor used to create an UIView instance.

~UIView ()

virtual 

A destructor used to delete the UIView instance.

OnPostDraw (const Rect &invalidatedArea)

virtual void 

Called after a view is drawn.

ReMeasure ()

virtual void 

Remeasures the view size.

Invalidate ()

void 

Refreshes the invalidated area of the view.

InvalidateRect (const Rect &invalidatedArea)

void 

Refreshes a view in a specified invalidated area.

OnLongPressEvent (const LongPressEvent &event)

virtual bool 

Called when the view is long pressed.

OnDragStartEvent (const DragEvent &event)

virtual bool 

Called when the view starts to drag.

OnDragEvent (const DragEvent &event)

virtual bool 

Called when the view is being dragged.

OnDragEndEvent (const DragEvent &event)

virtual bool 

Called when the view stops dragging.

OnClickEvent (const ClickEvent &event)

virtual void 

Called when the view is clicked.

SetOnDragListener (OnDragListener onDragListener)

void 

Sets a drag event listener for the view.

GetOnDragListener ()

OnDragListener & 

SetOnClickListener (OnClickListener onClickListener)

void 

Sets a click event listener for the view.

GetOnClickListener ()

OnClickListener & 

SetOnLongPressListener (OnLongPressListener onLongPressListener)

void 

Sets a long-press event listener for the view.

GetOnLongPressListener ()

OnLongPressListener & 

SetOnTouchListener (OnTouchListener onTouchListener)

void 

Sets a touch event listener for the view.

GetTouchListener ()

OnTouchListener & 

GetTargetView (const Point &point, UIView **last)

virtual void 

Obtains the top-level view based on specified coordinates.

SetParent (UIView parent)

void 

Sets the parent view for the view.

GetParent () const

UIView  

SetNextSibling (UIView sibling)

void 

Sets the next sibling view for the view.

GetNextSibling () const

UIView  

SetVisible (bool visible)

virtual void 

Sets whether the view is visible.

IsVisible () const

bool 

Checks whether the view is visible.

SetTouchable (bool touch)

void 

Sets whether the view is touchable.

IsTouchable () const

bool 

Checks whether the view is touchable.

SetDraggable (bool draggable)

void 

Sets whether the view is draggable.

IsDraggable () const

bool 

Checks whether the view is draggable.

SetDragParentInstead (bool dragParentInstead)

void 

Sets whether to transfer the drag event to the parent view for processing when the view is being dragged.

IsDragParentInstead () const

bool 

Obtains whether the view transfers a drag event to the parent view for processing.

GetRect () const

Rect 

Obtains the absolute rectangle area of the view. When the view has deformation such as rotation, the rectangle area is the intersection set of the absolute rectangle area and deformation matrix.

GetVisibleRect () const

Rect 

Obtains the visible absolute rectangle area of the view.

GetMaskedRect () const

Rect 

Obtains the valid absolute rectangle area of the view. The valid area refers to the area where the view can be displayed. Generally, the valid area is the same as the visible view area, but they may be different in the grid layout.

GetOrigRect () const

Rect 

Obtains the absolute rectangle area of the view.

GetRelativeRect () const

Rect 

Obtains the rectangular area of the view relative to the parent view, that is, the rectangular area relative to the coordinates of the parent view.

ResizeVisibleArea (int16_t x, int16_t y, int16_t width, int16_t height)

void 

Adjusts the size of the visible area. This operation may affect the final display size.

Resize (int16_t width, int16_t height)

virtual void 

Adjusts the size of the view.

SetX (int16_t x)

virtual void 

Sets the x-coordinate for the view.

GetX () const

int16_t 

Obtains the x-coordinate for the view.

SetY (int16_t y)

virtual void 

Sets the y-coordinate for the view.

GetY () const

int16_t 

Obtains the y-coordinate for the view.

SetPosition (int16_t x, int16_t y)

virtual void 

Sets the position for the view.

SetPosition (int16_t x, int16_t y, int16_t width, int16_t height)

virtual void 

Adjusts the position and size of the view.

IsViewGroup () const

bool 

Checks whether the view is a container view.

SetIntercept (bool isIntercept)

void 

Sets whether to intercept the drag event. If intercepted, the view does not transfer the drag event to the parent view after local processing.

SetTransformMap (const TransformMap &transMap)

void 

Sets the affine transformation matrix.

GetTransformMap ()

TransformMap & 

Obtains an affine transformation matrix.

GetChildById (const char id) const

virtual UIView  

SetViewId (const char id)

void 

Sets the view ID.

GetViewId () const

const char  

SetViewIndex (int16_t index)

void 

Sets the view index.

GetViewIndex () const

int16_t 

Obtains the view index.

LayoutChildren (bool neeInvalidate=false)

virtual void 

Lays out all child views according to the preset arrangement mode.

LayoutCenterOfParent (int16_t xOffSet=0, int16_t yOffset=0)

void 

Lays out the view in the center of the parent view.

LayoutLeftOfParent (int16_t offset=0)

void 

Lays out the view on the left of the parent view.

LayoutRightOfParent (int16_t offset=0)

void 

Lays out the view on the right of the parent view.

LayoutTopOfParent (int16_t offset=0)

void 

Lays out the view on the top of the parent view.

LayoutBottomOfParent (int16_t offset=0)

void 

Lays out the view on the bottom of the parent view.

AlignLeftToSibling (const char id, int16_t offset=0)

void 

Aligns the view with the left of a sibling view.

AlignRightToSibling (const char id, int16_t offset=0)

void 

Aligns the view with the right of a sibling view.

AlignTopToSibling (const char id, int16_t offset=0)

void 

Aligns the view with the top of a sibling view.

AlignBottomToSibling (const char id, int16_t offset=0)

void 

Aligns the view with the bottom of a sibling view.

AlignHorCenterToSibling (const char id, int16_t offset=0)

void 

Aligns the view with the center of a sibling view in the x-axis.

AlignVerCenterToSibling (const char id, int16_t offset=0)

void 

Aligns the view with the center of a sibling view in the y-axis.

LayoutLeftToSibling (const char id, int16_t offset=0)

void 

Lays out the view on the left of a sibling view.

LayoutRightToSibling (const char id, int16_t offset=0)

void 

Lays out the view on the right of a sibling view.

LayoutTopToSibling (const char id, int16_t offset=0)

void 

Lays out the view on the above of a sibling view.

LayoutBottomToSibling (const char id, int16_t offset=0)

void 

Lays out the view on the below of a sibling view.

SetStyle (Style &style)

virtual void 

Sets the view style.

GetStyleConst () const

const Style & 

Obtains the view style. This function applies to scenarios where the style does not need to be modified, which saves memory.

operator new (size_t size)

void  

Overrides the new function.

operator delete (void *p)

void 

Overrides the delete function.