Constants

Constants defined for use in LVGL layouts.

Name	Description
lvgl.FLOW_ROW	Sets flex layout flow.
lvgl.FLOW_COLUMN	Set flex layout flow.
lvgl.PAD_TINY	2 pixel padding.
lvgl.PAD_SMALL	4 pixel padding.
lvgl.PAD_MEDIUM	6 pixel padding.
lvgl.PAD_LARGE	8 pixel padding.
lvgl.PAD_OUTLINE	Padding required around controls for focus outline.
lvgl.PAD_BORDER	Padding size of the default border around controls.

Constants for the 'filter' property of the lvgl.source control. Can be used to limit which sources the user can select.

Name	Description
lvgl.SRC_ALL	Allow all source types, enable the 'Clear' button and the 'Invert' button.
lvgl.SRC_INPUT	Inputs
lvgl.SRC_STICK	Analog sticks
lvgl.SRC_POT	Pots and sliders
lvgl.SRC_SWITCH	Switches
lvgl.SRC_CHANNEL	Outputs
lvgl.SRC_TRIM	Trims
lvgl.SRC_LOGICAL_SWITCH	Logical switches
lvgl.SRC_GVAR	Global variables
lvgl.SRC_LUA	Custom Lua mix script outputs
lvgl.SRC_OTHER	MIN, MAX, tx battery, timers etc.
lvgl.SRC_HELI	Heli channels
lvgl.SRC_TRAINER	Trainer channels
lvgl.SRC_TELEM	Telemetry sensors
lvgl.SRC_CLEAR	Special value to control the 'Clear' button in the source chooser.
lvgl.SRC_INVERT	Special value to control the 'Invert' button in the source chooser.

Constants for the 'filter' property of the lvgl.witch control. Can be used to limit which sources the user can select.

Name	Description
lvgl.SW_ALL	Allow all switch types, enable the 'Clear' button.
lvgl.SW_SWITCH	Switches
lvgl.SW_TRIM	Trims
lvgl.SW_LOGICAL_SWITCH	Logical switches
lvgl.SW_FLIGHT_MODE	Flight modes
lvgl.SW_TELEM	Telemetry sensors
lvgl.SW_OTHER	ON, ONE, trainer connected, radio activity, etc
lvgl.SW_CLEAR	Special value to control the 'Clear' button in the switch chooser.

Constants to control scrolling of containers such as box and rectangle

Name	Description
lvgl.SCROLL_OFF	No scrolling allowed. Objects outside the containers boundary will be clipped
lvgl.SCROLL_HOR	Horizontal scrolling only
lvgl.SCROLL_VER	Vertical scrolling only
lvgl.SCROLL_ALL	Both horizontal and vertical scrolling allowed

Constants for managing page layout (see the API section for more details). Added in 2.11.4.

Name	Description
lvgl.PAGE_BODY_HEIGHT	Height of the body section for a 'page' object.
lvgl.UI_ELEMENT_HEIGHT	Default height for controls (buttons, toggle, etc)
lvgl.LCD_SCALE	Scale factor for the LCD display compared to the standard 480x272 size display. Standard displays with LCD sizes 480x272, 480x320 and 320x480 have a scaling factor of 1.0. Radios with a 320x240 LCD have a scaling factor of 0.8. Radios with a 800x480 LCD have a scaling factor of 1.375.
lvgl.PERCENT_SIZE	Used to create percentage based position and size values for objects., based on the size of the parent container. To use a percentage size set the desired property to lvgl.PERCENT_SIZE + N, where N is the percentage value from 1 to 100. E.G. w=lvgl.PERCENT_SIZE + 50.

Object creation constants (when using the 'build' function). Added in 2.11.4.

As an alternative to sepcifying the type for an object by name the following contants may be used.

Name	Equivalent to:
lvgl.LABEL	"label"
lvgl.RECTANGLE	"rectangle"
lvgl.CIRCLE	"circle"
lvgl.ARC	"arc"
lvgl.HLINE	"hline"
lvgl.VLINE	"vline"
lvgl.LINE	"line"
lvgl.TRIANGLE	"triangle"
lvgl.IMAGE	"image"
lvgl.QRCODE	"qrcode"
lvgl.BOX	"box"
lvgl.BUTTON	"button"
lvgl.MOMENTARY_BUTTON	"momentaryButton"
lvgl.TOGGLE	"toggle"
lvgl.TEXT_EDIT	"textEdit"
lvgl.NUMBER_EDIT	"numbeEdit"
lvgl.CHOICE	"choice"
lvgl.SLIDER	"slider"
lvgl.VERTICAL_SLIDER	"verticalSlider"
lvgl.PAGE	"page"
lvgl.FONT	"font"
lvgl.ALIGN	"align"
lvgl.COLOR	"color"
lvgl.TIMER	"timer"
lvgl.SWITCH	"switch"
lvgl.SOURCE	"source"
lvgl.FILE	"file"
lvgl.SETTING	"setting"