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Basalt2/docs/references/elements/VisualElement.md
2025-03-31 01:28:43 +00:00

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VisualElement : BaseElement

This is the visual element class. It serves as the base class for all visual UI elements and provides core functionality for positioning, sizing, colors, and rendering.

Properties

Property Type Default Description
x number 1 The horizontal position relative to parent
y number 1 The vertical position relative to parent
z number 1 The z-index for layering elements
width number 1 The width of the element
height number 1 The height of the element
background color black The background color
foreground color white The text/foreground color
clicked boolean false Whether the element is currently clicked
hover boolean false Whether the mouse is currently hover over the element (Craftos-PC only)
backgroundEnabled boolean true Whether to render the background
focused boolean false Whether the element has input focus
visible boolean true Whether the element is visible
ignoreOffset boolean false Whether to ignore the parent's offset

Combined Properties

Name Properties Description
position x number, y number Combined x, y position
size width number, height number Combined width, height
color foreground number, background number Combined foreground, background colors

Events

Event Parameters Description
onClick button string, x number, y number Fired on mouse click
onMouseUp button, x, y Fired on mouse button release
onRelease button, x, y Fired when mouse leaves while clicked
onDrag button, x, y Fired when mouse moves while clicked
onScroll direction, x, y Fired on mouse scroll
onEnter - Fired when mouse enters element
onLeave - Fired when mouse leaves element
onFocus - Fired when element receives focus
onBlur - Fired when element loses focus
onKey key Fired on key press
onKeyUp key Fired on key release
onChar char Fired on character input

Functions

Method Returns Description
VisualElement:calculatePosition number Calculates the position of the element
VisualElement:drawBg -
VisualElement:drawFg -
VisualElement:drawText -
VisualElement:getAbsolutePosition number Returns the absolute position of the element
VisualElement:getRelativePosition number Returns the relative position of the element
VisualElement:isInBounds boolean Checks if point is within bounds
VisualElement:prioritize VisualElement Prioritizes the element by moving it to the top of its parent's children

Protected Functions

Method Returns Description
VisualElement:blit - Draws text with both colors
VisualElement:blur - Handles a blur event
VisualElement:char - Handles a character event
VisualElement:focus - Handles a focus event
VisualElement:init - Initializes a new visual element with properties
VisualElement:key - Handles a key event
VisualElement:key_up - Handles a key up event
VisualElement:mouse_click boolean Handles a mouse click event
VisualElement:mouse_drag boolean Handles a mouse drag event
VisualElement:mouse_move boolean Handles a mouse move event
VisualElement:mouse_release - Handles a mouse release event
VisualElement:mouse_scroll boolean Handles a mouse scroll event
VisualElement:mouse_up boolean Handles a mouse up event
VisualElement:multiBlit - Multi-character drawing with colors
VisualElement:postRender - Post-rendering function for the element
VisualElement:render - Renders the element
VisualElement:setCursor VisualElement Sets the cursor position
VisualElement:textBg - Draws text with background color
VisualElement:textFg - Draws text with foreground color

VisualElement:calculatePosition()

Calculates the position of the element relative to its parent

Returns

  • number x The x position
  • number y The y position

VisualElement:drawBg()

VisualElement:drawFg()

VisualElement:drawText()

VisualElement:getAbsolutePosition(x?, y?)

Returns the absolute position of the element or the given coordinates.

Parameters

  • x (optional) number x position
  • y (optional) number y position

Returns

  • number x The absolute x position
  • number y The absolute y position

VisualElement:getRelativePosition(x?, y?)

Returns the relative position of the element or the given coordinates.

Parameters

  • x (optional) number x position
  • y (optional) number y position

Returns

  • number x The relative x position
  • number y The relative y position

VisualElement:isInBounds(x, y)

Checks if the specified coordinates are within the bounds of the element

Parameters

  • x number The x position to check
  • y number The y position to check

Returns

  • boolean isInBounds Whether the coordinates are within the bounds of the element

VisualElement:prioritize()

This function is used to prioritize the element by moving it to the top of its parent's children. It removes the element from its parent and adds it back, effectively changing its order.

Returns

  • VisualElement self The VisualElement instance