-- | Deterministic frame execution and render inspection for tests and tools.
-- Application code should use a backend's runner, such as
-- @runSdlApp@ in @NanoUI.Backend.Sdl@, instead of this module.
module NanoUI.Testing
  ( -- * Frame
    runFrame
  , runFrameEff
  , runFrameReduce
  , runFrameReduceEff
  , needsRedraw
  , pointerDragActive
  , textFieldActive
  , floatingPanelActive
  , floatingPanelRects
  , debugPanelOpen
  , widgetNodeCount
  , pointerCursorWanted
  , cursorKindIs
  , uiCursorKind
  , UiCursorKind (..)
  , computePopupPosition
  , scrollBarLayout
  , ScrollBarLayout (..)
  , sliderTrackBounds
  , colorPickerSvSquare
  , widgetStoreBaseColor
  , widgetStoreColor
  , collectTextSpans
  , collectRasterSpans
  , collectOverlayTextSpans
  , ctxSpanBase
  , ctxSpanOverlay
  , SpanArena
  , spanArenaCount
  , foldSpanArena
    -- * Context
  , Context
  , newContext
  , newPixelContext
  , ctxTheme
  , ctxPaintFull
  , ctxFontMetrics
  , setHost
  , askHost
  , withFontMetrics
  , withMonoFontMetrics
  , withMeasureText
  , withFontResolver
  , wrapMeasureCache
  , withExternalText
  , enableMeasureCache
  , withTheme
  , setTheme
  , getTheme
  , markDirty
  , clearDirty
  , clearMeasureCache
  , isDirty
  , setWakeLoop
  , DamageRequest (..)
  , requestDamage
  , damageWidget
  , damageKey
  , damageRect
  , damagePeers
  , damageFull
  , getHotId
  , getFocusId
  , getPrevRect
  , getPrevClipRect
  , getStore
  , getScrollOffset
  , setScrollOffset
  , textInputEditActive
  , modalActive
  , overlayConsumesQuit
  , withClipboard
  , getAnimationValue
  , setAnimationValue
  , startAnimation
  , startAnimationEase
  , startAnimationEaseDelay
  , startSpring
  , anyAnimating
    -- * Images
  , registerImage
  , registerImages
  , atlasTextureId
  , atlasSnapshot
    -- * Messages
  , FrameMsg (..)
  , decodeMessages
  , reduceMessages
  , reduceUpdates
    -- * Draw
  , DrawData (..)
  , DrawCmd (..)
  , DrawOp (..)
  , drawTextBox
  , Layer (..)
  , LayerSlice (..)
  , drawCmdNull
  , drawCmdElems
  , forDrawCmdsInLayer_
  , drawCmdCount
  , vertexSize
  , indexSize
  , backdropDimTextureId
  , glyphAtlasTextureId
  , Damage (..)
  , takeDamage
  , damageIsEmpty
    -- * Effectful
  , Eff
  , runEff
  , IOE
  , type (:>)
  , askContext
  , askInput
  , Ui
  , uiIO
    -- * Compact
  , Compact
  , compactHost
  , askCompact
    -- * Text measurement
  , lineWidth
  , textIndexAtX
  , caretX
  , selectionSpans
  , textNodeFontWeight
  , textNodeFontStyle
  , textNodeTextDecoration
  ) where

import NanoUI.Compact (Compact, askCompact, compactHost)
import NanoUI.Context
  ( Context (..)
  , FrameMsg (..)
  , anyAnimating
  , atlasSnapshot
  , atlasTextureId
  , clearDirty
  , clearMeasureCache
  , ctxTheme
  , DamageRequest (..)
  , damageFull
  , damageKey
  , damagePeers
  , damageRect
  , damageWidget
  , decodeMessages
  , enableMeasureCache
  , getAnimationValue
  , getFocusId
  , getHotId
  , getPrevRect
  , getPrevClipRect
  , getScrollOffset
  , setScrollOffset
  , getStore
  , isDirty
  , markDirty
  , modalActive
  , overlayConsumesQuit
  , reduceMessages
  , reduceUpdates
  , registerImage
  , registerImages
  , requestDamage
  , setAnimationValue
  , setHost
  , setWakeLoop
  , startAnimation
  , startAnimationEase
  , startAnimationEaseDelay
  , startSpring
  , takeDamage
  , textInputEditActive
  , withClipboard
  , withExternalText
  , withFontMetrics
  , withMeasureText
  , withFontResolver
  , withMonoFontMetrics
  , withTheme
  , setTheme
  , getTheme
  , wrapMeasureCache
  )
import NanoUI.Context (newContext, newPixelHostContext)
import NanoUI.Frame.SpanArena (SpanArena, foldSpanArena, spanArenaCount)
import NanoUI.Draw
  ( DrawCmd (..)
  , DrawData (..)
  , DrawOp (..)
  , Layer (..)
  , LayerSlice (..)
  , backdropDimTextureId
  , glyphAtlasTextureId
  , drawCmdElems
  , forDrawCmdsInLayer_
  , drawCmdNull
  , drawCmdCount
  , drawTextBox
  , drawVertices
  , indexSize
  , vertexSize
  )
import NanoUI.Damage (floatingPanelRects)
import NanoUI.Font (caretX, lineWidth, selectionSpans, sliderTrackBounds, textIndexAtX)
import NanoUI.Widgets.ColorPicker
  ( colorPickerSvSquare
  , widgetStoreBaseColor
  , widgetStoreColor
  )
import NanoUI.Frame
  ( UiCursorKind (..)
  , collectOverlayTextSpans
  , collectRasterSpans
  , collectTextSpans
  , cursorKindIs
  , debugPanelOpen
  , floatingPanelActive
  , needsRedraw
  , pointerCursorWanted
  , pointerDragActive
  , runFrame
  , runFrameEff
  , runFrameReduce
  , runFrameReduceEff
  , textFieldActive
  , uiCursorKind
  , widgetNodeCount
  )
import NanoUI.Frame.Scroll (ScrollBarLayout (..), scrollBarLayout)
import NanoUI.Layout.Solve (computePopupPosition)
import NanoUI.Monad (Ui, askContext, askHost, askInput, uiIO)
import NanoUI.WidgetText (textNodeFontStyle, textNodeFontWeight, textNodeTextDecoration)
import NanoUI.Types (Damage (..), damageIsEmpty)
import Effectful (Eff, IOE, runEff, type (:>))

-- | A headless context for tests: 16px monospace metrics, the measure cache
-- on, text kept out of the vertex buffer, and the default theme.
newPixelContext :: IO Context
newPixelContext :: IO Context
newPixelContext = IO Context
newPixelHostContext