UILabel
Description:
Defines the functions for presenting a label in a specified area, setting the style and background color of a label, and setting the display mode of a long label text.
Since:
1.0
Version:
1.0
Public Member Function Name |
Description |
---|---|
UILabel () |
A constructor used to create a instance. |
~UILabel () |
virtual A destructor used to delete the instance. |
GetViewType () const override |
UIViewType Obtains the view type. |
() override |
int16_t Obtains the width of this label. |
GetHeight () override |
int16_t Obtains the height of this label. |
(const Rect &invalidatedArea) override |
bool Checks whether this label needs to be covered before drawing it. |
(const Rect &invalidatedArea) override |
void Draws this label. |
(const char text) |
void Sets the text content for this label. |
GetText () const |
const char Obtains the text of this label. |
(const uint8_t lineBreakMode) |
void Sets the line break mode for this text. |
GetLineBreakMode () const |
uint8_t Obtains the line break mode of this text. |
(ColorType color) |
void Sets the color for this text. |
() const |
Obtains the color of this text. |
(UITextLanguageAlignment horizontalAlign, verticalAlign=TEXT_ALIGNMENT_TOP) |
void Sets the alignment mode for this text. |
() const |
Obtains the horizontal alignment mode. |
() const |
Obtains the vertical alignment mode. |
(UITextLanguageDirect direct) |
void Sets the direction for this text. |
() const |
Obtains the direction of this text. |
(uint8_t fontId) |
void Sets the font ID for this label. |
GetFontId () const |
uint8_t Obtains the font ID composed of font name and size. |
(const char name, uint8_t size) |
void Sets the font for this label. |
SetRollSpeed (uint16_t speed) |
void Sets the scroll speed for this text. |
() |
uint16_t Obtains the width of this text. |
uint16_t Obtains the height of this text. |
|
(int16_t pos) |
void Sets the position where this text starts to roll. |
GetRollStartPos () const |
int16_t Obtains the position where this text starts to roll. |
(int16_t width) override |
void Sets the width for this label. |
SetHeight (int16_t height) override |
void Sets the height for this label. |
(LabelRotateDegree angle) |
void Sets the clockwise rotation angle for this text. |
GetTextRotation () const |
LabelRotateDegree Obtains the clockwise rotation degree of this text. |
() const |
uint16_t Obtains the number of text rotation degrees. |
UIView () |
A default constructor used to create an instance. |
UIView (const char id) |
A constructor used to create an instance. |
virtual A destructor used to delete the UIView instance. |
|
(const Rect &invalidatedArea) |
virtual void Called after a view is drawn. |
() |
void Refreshes the invalidated area of the view. |
InvalidateRect (const &invalidatedArea) |
void Refreshes a view in a specified invalidated area. |
OnLongPressEvent (const &event) |
virtual bool Called when the view is long pressed. |
OnDragStartEvent (const &event) |
virtual bool Called when the view starts to drag. |
OnDragEvent (const &event) |
virtual bool Called when the view is being dragged. |
OnDragEndEvent (const &event) |
virtual bool Called when the view stops dragging. |
OnClickEvent (const &event) |
virtual void Called when the view is clicked. |
OnPressEvent (const &event) |
virtual void Called when the view is pressed. |
OnReleaseEvent (const &event) |
virtual void Called when the view is released. |
OnCancelEvent (const &event) |
virtual void Called when a click event on the view is canceled. |
SetOnDragListener ( onDragListener) |
void Sets a drag event listener for the view. |
& Obtains the drag event listener for the view. |
|
SetOnClickListener ( onClickListener) |
void Sets a click event listener for the view. |
& Obtains the click event listener for the view. |
|
SetOnLongPressListener ( onLongPressListener) |
void Sets a long-press event listener for the view. |
& Obtains the long-press event listener for the view. |
|
SetOnTouchListener ( onTouchListener) |
void Sets a touch event listener for the view. |
& Obtains the touch event listener for the view. |
|
GetTargetView (const &point, UIView *last) |
virtual void Obtains the top-level view based on specified coordinates. |
(UIView parent) |
void Sets the parent view for the view. |
() const |
Obtains the parent view of the view. |
(UIView sibling) |
void Sets the next sibling view for the view. |
() const |
Obtains the next sibling view of the view. |
(bool visible) |
virtual void Sets whether the view is visible. |
IsVisible () const |
bool Checks whether the view is visible. |
(bool touch) |
void Sets whether the view is touchable. |
IsTouchable () const |
bool Checks whether the view is touchable. |
(bool draggable) |
void Sets whether the view is draggable. |
IsDraggable () const |
bool Checks whether the view is draggable. |
(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. |
() const |
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. |
() const |
Obtains the visible absolute rectangle area of the view. |
() const |
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. |
() const |
Obtains the absolute rectangle area of the view. |
() |
virtual Rect |
() const |
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. |
(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. |
(int16_t x) |
virtual void Sets the x-coordinate for the view. |
GetX () const |
int16_t Obtains the x-coordinate for the view. |
(int16_t y) |
virtual void Sets the y-coordinate for the view. |
GetY () const |
int16_t Obtains the y-coordinate for the view. |
(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. |
() 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. |
(const TransformMap &transMap) |
void Sets the affine transformation matrix. |
() |
Obtains an affine transformation matrix. |
(const char id) const |
virtual UIView Obtains the child view of a specified ID. |
(const char id) |
void Sets the view ID. |
GetViewId () const |
const char Obtains the view ID. |
(int16_t index) |
void Sets the view index. |
GetViewIndex () const |
int16_t Obtains the view index. |
(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. |
(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. |
(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. |
(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. |
(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. |
(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. |
(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. |
(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. |
(Style &style) |
virtual void Sets the view style. |
SetStyle (uint8_t key, int64_t value) |
virtual void Sets a style. |
(uint8_t key) const |
virtual int64_t Obtains the value of a style. |
GetStyleConst () const |
Obtains the view style. This function applies to scenarios where the style does not need to be modified, which saves memory. |