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in: Widgets

Widget handlers

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← Widget API

This is a list of all of the types of handlers allowed, and grouped by frame type as returned by the :GetFrameType() method or used in XML.

Reference[]

  • As of patch 4.0.1, event arguments are no longer set as global variables, and must be passed to the handlers correctly if defined in XML.

Base[]

Event handlers used by all major Ui elements.

OnLoad(self) - called once at element load time, just after element is created in Lua
OnUpdate(self, elapsed) - called every frame, with elapsed time since last frame

Alpha[]

from Animation:
OnPlay(self)
OnPause(self)
OnStop(self)
OnFinished(self)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Animation[]

OnPlay(self)
OnPause(self)
OnStop(self)
OnFinished(self)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

AnimationGroup[]

OnPlay(self)
OnPause(self)
OnStop(self)
OnFinished(self)
OnLoop(self, loopState)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Browser[]

OnButtonUpdate
OnError
OnExternalLink
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Button[]

OnClick(self, button, down)
OnDoubleClick(self, button)
PostClick(self, button, down)
PreClick(self, button, down)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

CheckButton[]

OnDisable
from Button:
OnClick(self, button, down)
OnDoubleClick(self, button)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

ColorSelect[]

OnColorSelect(self, r, g, b)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

DressUpModel[]

from Model:
OnAnimFinished(self)
OnUpdateModel(self)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

EditBox[]

OnArrowPressed(self, key)
OnCursorChanged(self, x, y, w, h)
OnEditFocusGained(self)
OnEditFocusLost(self)
OnEnterPressed(self)
OnEscapePressed(self)
OnHyperlinkClick(self, link, text, button)
OnHyperlinkEnter(self, link, text)
OnHyperlinkLeave(self, link, text)
OnInputLanguageChanged(self, language)
OnSpacePressed(self)
OnTabPressed(self)
OnTextChanged(self)
OnTextSet(self)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Frame[]

OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

GameTooltip[]

OnTooltipAddMoney(self, cost)
OnTooltipCleared(self)
OnTooltipSetAchievement
OnTooltipSetDefaultAnchor
OnTooltipSetItem(self)
OnTooltipSetSpell(self)
OnTooltipSetUnit(self)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

LootButton[]

from Button:
OnClick(self, button, down)
OnDoubleClick(self, button)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

MessageFrame[]

from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Minimap[]

from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Model[]

OnAnimFinished(self)
OnUpdateModel(self)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Path[]

from Animation:
OnPlay(self)
OnPause(self)
OnStop(self)
OnFinished(self)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

PlayerModel[]

from Model:
OnAnimFinished(self)
OnUpdateModel(self)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

QuestPOIFrame[]

OnAttributeChanged
OnDisable
OnEnable
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Rotation[]

from Animation:
OnPlay(self)
OnPause(self)
OnStop(self)
OnFinished(self)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Scale[]

from Animation:
OnPlay(self)
OnPause(self)
OnStop(self)
OnFinished(self)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

ScrollFrame[]

OnHorizontalScroll(self, offset)
OnScrollRangeChanged(self, xrange, yrange)
OnVerticalScroll(self, offset)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

ScrollingMessageFrame[]

OnHyperlinkClick(self, link, text, button)
OnHyperlinkEnter(self, link, text)
OnHyperlinkLeave(self, link, text)
OnMessageScrollChanged
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

SimpleHTML[]

OnHyperlinkClick(self, link, text, button)
OnHyperlinkEnter(self, link, text)
OnHyperlinkLeave(self, link, text)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Slider[]

OnValueChanged(self, value)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

StatusBar[]

OnValueChanged(self, value)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

TabardModel[]

OnAnimFinished(self)
OnUpdateModel(self)
from Frame:
OnChar(self, text)
OnDragStart(self, button)
OnDragStop(self)
OnEnter(self, motion)
OnEvent(self, event, ...)
OnHide(self)
OnKeyDown(self, key)
OnKeyUp(self, key)
OnLeave(self, motion)
OnLoad(self)
OnMouseDown(self, button)
OnMouseUp(self, button)
OnMouseWheel(self, delta)
OnReceiveDrag(self)
OnShow(self)
OnSizeChanged(self, w, h)
OnUpdate(self, elapsed)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)

Translation[]

from Animation:
OnPlay(self)
OnPause(self)
OnStop(self)
OnFinished(self)
from Base:
OnLoad(self)
OnUpdate(self, elapsed)
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