lcd.invalidate

since 1.1.0

Invalidate the window or a part of the window (it will be fully drawn on next LCD refresh)

lcd.invalidate([x[, y[, w[, h]]]])

Parameters

Name	Type	Required	Description
x	number	optional	X coordinate
y	number	optional	Y coordinate
w	number	optional	rectangle width
h	number	optional	rectangle height

Returns

Nothing.

Examples

From the official Ethos documentation

lcd.invalidate()
lcd.invalidate(0, 0, 100, 100)

Used in

• Battery gauge widget
• Timer control
• Telemetry value widget
• lazy-loading
• tool-form
• widget-flvss
• widget-gauge
• widget-jet
• widget-rssi

Real-world usage

Called 153 times across 13 open-source Ethos Lua projects. A few short excerpts:

Example 1Example 2Example 3

lcd.invalidate(widget)

src/dashx/widgets/dashboard/lib/toolbar.lua:141

nextStep = false
lcd.invalidate()

lua/frsky/RB25_S/stab/cali/cali.lua:224

if lcd.invalidate then
    lcd.invalidate(widget)

src/ofs3/widgets/dashboard/lib/logviewer.lua:914