UITouchElement

Class

Source: UITouchElement.h

Inherits from: UIElement

Description

UIElement with embedded UITouchWidget data for touch interaction.

Embeds widget data directly (x, y, width, height, flags, state) to avoid memory corruption from overlapping placement new. Integrates with the UILayout system.

Memory: Owns widget data inline - no external allocation needed.

Inheritance

UIElement → UITouchElement

Methods

void update(unsigned long deltaTime)

Description:

Update widget logic

Parameters:

• deltaTime: Time since last frame in ms

void draw(pixelroot32::graphics::Renderer& renderer)

Description:

Render the widget

Parameters:

• renderer: Reference to renderer

virtual bool processEvent(const pixelroot32::input::TouchEvent& event)

Description:

Process a touch event (polymorphic dispatch from UIManager).

Returns: true if this element handled the event for UI consumption semantics

virtual uint8_t getWidgetState() const

Description:

Get widget state

Returns: Current UIWidgetState

virtual bool isPressed() const

Description:

Check if widget is currently pressed

Returns: true if state is Pressed

virtual bool isEnabled() const

Description:

Check if widget is enabled

Returns: true if widget is enabled

virtual bool isVisible() const

Description:

Check if widget is visible

Returns: true if widget is visible

void setWidgetVisible(bool visible)

Description:

Set widget visibility

Parameters:

• visible: True to make visible

void setWidgetEnabled(bool enabled)

Description:

Set widget enabled state

Parameters:

• enabled: True to enable

void setPosition(pixelroot32::math::Scalar newX, pixelroot32::math::Scalar newY)

Description:

Override setPosition to sync widgetData_ with Entity position

Parameters:

• newX: New X coordinate
• newY: New Y coordinate

int16_t getX() const

Description:

Get widget x position

Returns: X position

int16_t getY() const

Description:

Get widget y position

Returns: Y position

uint16_t getWidgetWidth() const

Description:

Get widget width

Returns: Width

uint16_t getWidgetHeight() const

Description:

Get widget height

Returns: Height

UITouchWidget& getWidgetData()

Description:

Get reference to embedded widget data

Returns: Reference to UITouchWidget data

const UITouchWidget& getWidgetData() const

Description:

Get const reference to embedded widget data

Returns: Const reference to UITouchWidget data