    {-# LANGUAGE ImplicitParams, RankNTypes, TypeApplications #-}

    -- | Copyright  : Will Thompson and Iñaki García Etxebarria
    -- License    : LGPL-2.1
    -- Maintainer : Iñaki García Etxebarria
    --
    -- t'GI.Gtk.Objects.GestureZoom.GestureZoom' is a t'GI.Gtk.Objects.Gesture.Gesture' implementation able to recognize
    -- pinch\/zoom gestures, whenever the distance between both tracked
    -- sequences changes, the [GestureZoom::scaleChanged]("GI.Gtk.Objects.GestureZoom#g:signal:scaleChanged") signal is
    -- emitted to report the scale factor.

    #if !defined(__HADDOCK_VERSION__)
    #define ENABLE_OVERLOADING
    #endif

    module GI.Gtk.Objects.GestureZoom
        (

    -- * Exported types
        GestureZoom(..)                         ,
        IsGestureZoom                           ,
        toGestureZoom                           ,

     -- * Methods
    -- |
    --
    --  === __Click to display all available methods, including inherited ones__
    -- ==== Methods
    -- [bindProperty]("GI.GObject.Objects.Object#g:method:bindProperty"), [bindPropertyFull]("GI.GObject.Objects.Object#g:method:bindPropertyFull"), [forceFloating]("GI.GObject.Objects.Object#g:method:forceFloating"), [freezeNotify]("GI.GObject.Objects.Object#g:method:freezeNotify"), [getv]("GI.GObject.Objects.Object#g:method:getv"), [group]("GI.Gtk.Objects.Gesture#g:method:group"), [handleEvent]("GI.Gtk.Objects.EventController#g:method:handleEvent"), [handlesSequence]("GI.Gtk.Objects.Gesture#g:method:handlesSequence"), [isActive]("GI.Gtk.Objects.Gesture#g:method:isActive"), [isFloating]("GI.GObject.Objects.Object#g:method:isFloating"), [isGroupedWith]("GI.Gtk.Objects.Gesture#g:method:isGroupedWith"), [isRecognized]("GI.Gtk.Objects.Gesture#g:method:isRecognized"), [notify]("GI.GObject.Objects.Object#g:method:notify"), [notifyByPspec]("GI.GObject.Objects.Object#g:method:notifyByPspec"), [ref]("GI.GObject.Objects.Object#g:method:ref"), [refSink]("GI.GObject.Objects.Object#g:method:refSink"), [reset]("GI.Gtk.Objects.EventController#g:method:reset"), [runDispose]("GI.GObject.Objects.Object#g:method:runDispose"), [stealData]("GI.GObject.Objects.Object#g:method:stealData"), [stealQdata]("GI.GObject.Objects.Object#g:method:stealQdata"), [thawNotify]("GI.GObject.Objects.Object#g:method:thawNotify"), [ungroup]("GI.Gtk.Objects.Gesture#g:method:ungroup"), [unref]("GI.GObject.Objects.Object#g:method:unref"), [watchClosure]("GI.GObject.Objects.Object#g:method:watchClosure").
    --
    -- ==== Getters
    -- [getBoundingBox]("GI.Gtk.Objects.Gesture#g:method:getBoundingBox"), [getBoundingBoxCenter]("GI.Gtk.Objects.Gesture#g:method:getBoundingBoxCenter"), [getData]("GI.GObject.Objects.Object#g:method:getData"), [getDevice]("GI.Gtk.Objects.Gesture#g:method:getDevice"), [getGroup]("GI.Gtk.Objects.Gesture#g:method:getGroup"), [getLastEvent]("GI.Gtk.Objects.Gesture#g:method:getLastEvent"), [getLastUpdatedSequence]("GI.Gtk.Objects.Gesture#g:method:getLastUpdatedSequence"), [getPoint]("GI.Gtk.Objects.Gesture#g:method:getPoint"), [getPropagationPhase]("GI.Gtk.Objects.EventController#g:method:getPropagationPhase"), [getProperty]("GI.GObject.Objects.Object#g:method:getProperty"), [getQdata]("GI.GObject.Objects.Object#g:method:getQdata"), [getScaleDelta]("GI.Gtk.Objects.GestureZoom#g:method:getScaleDelta"), [getSequenceState]("GI.Gtk.Objects.Gesture#g:method:getSequenceState"), [getSequences]("GI.Gtk.Objects.Gesture#g:method:getSequences"), [getWidget]("GI.Gtk.Objects.EventController#g:method:getWidget"), [getWindow]("GI.Gtk.Objects.Gesture#g:method:getWindow").
    --
    -- ==== Setters
    -- [setData]("GI.GObject.Objects.Object#g:method:setData"), [setDataFull]("GI.GObject.Objects.Object#g:method:setDataFull"), [setPropagationPhase]("GI.Gtk.Objects.EventController#g:method:setPropagationPhase"), [setProperty]("GI.GObject.Objects.Object#g:method:setProperty"), [setSequenceState]("GI.Gtk.Objects.Gesture#g:method:setSequenceState"), [setState]("GI.Gtk.Objects.Gesture#g:method:setState"), [setWindow]("GI.Gtk.Objects.Gesture#g:method:setWindow").

    #if defined(ENABLE_OVERLOADING)
        ResolveGestureZoomMethod                ,
    #endif

    -- ** getScaleDelta #method:getScaleDelta#

    #if defined(ENABLE_OVERLOADING)
        GestureZoomGetScaleDeltaMethodInfo      ,
    #endif
        gestureZoomGetScaleDelta                ,

    -- ** new #method:new#

        gestureZoomNew                          ,

     -- * Signals

    -- ** scaleChanged #signal:scaleChanged#

        GestureZoomScaleChangedCallback         ,
    #if defined(ENABLE_OVERLOADING)
        GestureZoomScaleChangedSignalInfo       ,
    #endif
        afterGestureZoomScaleChanged            ,
        onGestureZoomScaleChanged               ,

        ) where

    import Data.GI.Base.ShortPrelude
    import qualified Data.GI.Base.ShortPrelude as SP
    import qualified Data.GI.Base.Overloading as O
    import qualified Prelude as P

    import qualified Data.GI.Base.Attributes as GI.Attributes
    import qualified Data.GI.Base.BasicTypes as B.Types
    import qualified Data.GI.Base.ManagedPtr as B.ManagedPtr
    import qualified Data.GI.Base.GArray as B.GArray
    import qualified Data.GI.Base.GClosure as B.GClosure
    import qualified Data.GI.Base.GError as B.GError
    import qualified Data.GI.Base.GHashTable as B.GHT
    import qualified Data.GI.Base.GVariant as B.GVariant
    import qualified Data.GI.Base.GValue as B.GValue
    import qualified Data.GI.Base.GParamSpec as B.GParamSpec
    import qualified Data.GI.Base.CallStack as B.CallStack
    import qualified Data.GI.Base.Properties as B.Properties
    import qualified Data.GI.Base.Signals as B.Signals
    import qualified Control.Monad.IO.Class as MIO
    import qualified Data.Coerce as Coerce
    import qualified Data.Text as T
    import qualified Data.Kind as DK
    import qualified Data.ByteString.Char8 as B
    import qualified Data.Map as Map
    import qualified Foreign.Ptr as FP
    import qualified GHC.OverloadedLabels as OL
    import qualified GHC.Records as R
    import qualified Data.Word as DW
    import qualified Data.Int as DI
    import qualified System.Posix.Types as SPT
    import qualified Foreign.C.Types as FCT

    -- Workaround for https://gitlab.haskell.org/ghc/ghc/-/issues/23392
    #if MIN_VERSION_base(4,18,0)
    import qualified GI.Atk.Interfaces.ImplementorIface as Atk.ImplementorIface
    import qualified GI.Atk.Objects.Object as Atk.Object
    import qualified GI.Cairo.Structs.Context as Cairo.Context
    import qualified GI.Cairo.Structs.FontOptions as Cairo.FontOptions
    import qualified GI.Cairo.Structs.Region as Cairo.Region
    import qualified GI.Cairo.Structs.Surface as Cairo.Surface
    import qualified GI.GLib.Callbacks as GLib.Callbacks
    import qualified GI.GLib.Structs.MarkupParser as GLib.MarkupParser
    import qualified GI.GObject.Callbacks as GObject.Callbacks
    import qualified GI.GObject.Objects.Object as GObject.Object
    import qualified GI.Gdk.Enums as Gdk.Enums
    import qualified GI.Gdk.Flags as Gdk.Flags
    import qualified GI.Gdk.Objects.Device as Gdk.Device
    import qualified GI.Gdk.Objects.Display as Gdk.Display
    import qualified GI.Gdk.Objects.DragContext as Gdk.DragContext
    import qualified GI.Gdk.Objects.FrameClock as Gdk.FrameClock
    import qualified GI.Gdk.Objects.Screen as Gdk.Screen
    import qualified GI.Gdk.Objects.Visual as Gdk.Visual
    import qualified GI.Gdk.Objects.Window as Gdk.Window
    import qualified GI.Gdk.Structs.Atom as Gdk.Atom
    import qualified GI.Gdk.Structs.Color as Gdk.Color
    import qualified GI.Gdk.Structs.EventAny as Gdk.EventAny
    import qualified GI.Gdk.Structs.EventButton as Gdk.EventButton
    import qualified GI.Gdk.Structs.EventConfigure as Gdk.EventConfigure
    import qualified GI.Gdk.Structs.EventCrossing as Gdk.EventCrossing
    import qualified GI.Gdk.Structs.EventExpose as Gdk.EventExpose
    import qualified GI.Gdk.Structs.EventFocus as Gdk.EventFocus
    import qualified GI.Gdk.Structs.EventGrabBroken as Gdk.EventGrabBroken
    import qualified GI.Gdk.Structs.EventKey as Gdk.EventKey
    import qualified GI.Gdk.Structs.EventMotion as Gdk.EventMotion
    import qualified GI.Gdk.Structs.EventOwnerChange as Gdk.EventOwnerChange
    import qualified GI.Gdk.Structs.EventProperty as Gdk.EventProperty
    import qualified GI.Gdk.Structs.EventProximity as Gdk.EventProximity
    import qualified GI.Gdk.Structs.EventScroll as Gdk.EventScroll
    import qualified GI.Gdk.Structs.EventSelection as Gdk.EventSelection
    import qualified GI.Gdk.Structs.EventSequence as Gdk.EventSequence
    import qualified GI.Gdk.Structs.EventVisibility as Gdk.EventVisibility
    import qualified GI.Gdk.Structs.EventWindowState as Gdk.EventWindowState
    import qualified GI.Gdk.Structs.Geometry as Gdk.Geometry
    import qualified GI.Gdk.Structs.RGBA as Gdk.RGBA
    import qualified GI.Gdk.Structs.Rectangle as Gdk.Rectangle
    import qualified GI.Gdk.Unions.Event as Gdk.Event
    import qualified GI.GdkPixbuf.Objects.Pixbuf as GdkPixbuf.Pixbuf
    import qualified GI.Gio.Flags as Gio.Flags
    import qualified GI.Gio.Interfaces.ActionGroup as Gio.ActionGroup
    import qualified GI.Gio.Interfaces.ActionMap as Gio.ActionMap
    import qualified GI.Gio.Interfaces.File as Gio.File
    import qualified GI.Gio.Interfaces.Icon as Gio.Icon
    import qualified GI.Gio.Objects.Application as Gio.Application
    import qualified GI.Gio.Objects.Menu as Gio.Menu
    import qualified GI.Gio.Objects.MenuModel as Gio.MenuModel
    import qualified GI.Gtk.Callbacks as Gtk.Callbacks
    import {-# SOURCE #-} qualified GI.Gtk.Enums as Gtk.Enums
    import {-# SOURCE #-} qualified GI.Gtk.Flags as Gtk.Flags
    import {-# SOURCE #-} qualified GI.Gtk.Interfaces.Buildable as Gtk.Buildable
    import {-# SOURCE #-} qualified GI.Gtk.Interfaces.StyleProvider as Gtk.StyleProvider
    import {-# SOURCE #-} qualified GI.Gtk.Objects.AccelGroup as Gtk.AccelGroup
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Adjustment as Gtk.Adjustment
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Application as Gtk.Application
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Bin as Gtk.Bin
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Builder as Gtk.Builder
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Clipboard as Gtk.Clipboard
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Container as Gtk.Container
    import {-# SOURCE #-} qualified GI.Gtk.Objects.EventController as Gtk.EventController
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Gesture as Gtk.Gesture
    import {-# SOURCE #-} qualified GI.Gtk.Objects.IconFactory as Gtk.IconFactory
    import {-# SOURCE #-} qualified GI.Gtk.Objects.RcStyle as Gtk.RcStyle
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Settings as Gtk.Settings
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Style as Gtk.Style
    import {-# SOURCE #-} qualified GI.Gtk.Objects.StyleContext as Gtk.StyleContext
    import {-# SOURCE #-} qualified GI.Gtk.Objects.StyleProperties as Gtk.StyleProperties
    import {-# SOURCE #-} qualified GI.Gtk.Objects.TextBuffer as Gtk.TextBuffer
    import {-# SOURCE #-} qualified GI.Gtk.Objects.TextChildAnchor as Gtk.TextChildAnchor
    import {-# SOURCE #-} qualified GI.Gtk.Objects.TextMark as Gtk.TextMark
    import {-# SOURCE #-} qualified GI.Gtk.Objects.TextTag as Gtk.TextTag
    import {-# SOURCE #-} qualified GI.Gtk.Objects.TextTagTable as Gtk.TextTagTable
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Tooltip as Gtk.Tooltip
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Widget as Gtk.Widget
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Window as Gtk.Window
    import {-# SOURCE #-} qualified GI.Gtk.Objects.WindowGroup as Gtk.WindowGroup
    import {-# SOURCE #-} qualified GI.Gtk.Structs.AccelGroupEntry as Gtk.AccelGroupEntry
    import {-# SOURCE #-} qualified GI.Gtk.Structs.AccelKey as Gtk.AccelKey
    import {-# SOURCE #-} qualified GI.Gtk.Structs.Border as Gtk.Border
    import {-# SOURCE #-} qualified GI.Gtk.Structs.CssSection as Gtk.CssSection
    import {-# SOURCE #-} qualified GI.Gtk.Structs.IconSet as Gtk.IconSet
    import {-# SOURCE #-} qualified GI.Gtk.Structs.IconSource as Gtk.IconSource
    import {-# SOURCE #-} qualified GI.Gtk.Structs.Requisition as Gtk.Requisition
    import {-# SOURCE #-} qualified GI.Gtk.Structs.SelectionData as Gtk.SelectionData
    import {-# SOURCE #-} qualified GI.Gtk.Structs.SettingsValue as Gtk.SettingsValue
    import {-# SOURCE #-} qualified GI.Gtk.Structs.SymbolicColor as Gtk.SymbolicColor
    import {-# SOURCE #-} qualified GI.Gtk.Structs.TargetEntry as Gtk.TargetEntry
    import {-# SOURCE #-} qualified GI.Gtk.Structs.TargetList as Gtk.TargetList
    import {-# SOURCE #-} qualified GI.Gtk.Structs.TextAppearance as Gtk.TextAppearance
    import {-# SOURCE #-} qualified GI.Gtk.Structs.TextAttributes as Gtk.TextAttributes
    import {-# SOURCE #-} qualified GI.Gtk.Structs.TextIter as Gtk.TextIter
    import {-# SOURCE #-} qualified GI.Gtk.Structs.WidgetPath as Gtk.WidgetPath
    import qualified GI.Pango.Enums as Pango.Enums
    import qualified GI.Pango.Objects.Context as Pango.Context
    import qualified GI.Pango.Objects.FontMap as Pango.FontMap
    import qualified GI.Pango.Objects.Layout as Pango.Layout
    import qualified GI.Pango.Structs.FontDescription as Pango.FontDescription
    import qualified GI.Pango.Structs.Language as Pango.Language
    import qualified GI.Pango.Structs.TabArray as Pango.TabArray

    #else
    import qualified GI.GObject.Objects.Object as GObject.Object
    import {-# SOURCE #-} qualified GI.Gtk.Objects.EventController as Gtk.EventController
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Gesture as Gtk.Gesture
    import {-# SOURCE #-} qualified GI.Gtk.Objects.Widget as Gtk.Widget

    #endif

    -- | Memory-managed wrapper type.
    newtype GestureZoom = GestureZoom (SP.ManagedPtr GestureZoom)
        deriving (GestureZoom -> GestureZoom -> Bool
    (GestureZoom -> GestureZoom -> Bool)
    -> (GestureZoom -> GestureZoom -> Bool) -> Eq GestureZoom
    forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
    $c== :: GestureZoom -> GestureZoom -> Bool
    == :: GestureZoom -> GestureZoom -> Bool
    $c/= :: GestureZoom -> GestureZoom -> Bool
    /= :: GestureZoom -> GestureZoom -> Bool
    Eq)

    instance SP.ManagedPtrNewtype GestureZoom where
        toManagedPtr :: GestureZoom -> ManagedPtr GestureZoom
    toManagedPtr (GestureZoom ManagedPtr GestureZoom
    p) = ManagedPtr GestureZoom
    p

    foreign import ccall "gtk_gesture_zoom_get_type"
        c_gtk_gesture_zoom_get_type :: IO B.Types.GType

    instance B.Types.TypedObject GestureZoom where
        glibType :: IO GType
    glibType = IO GType
    c_gtk_gesture_zoom_get_type

    instance B.Types.GObject GestureZoom

    -- | Type class for types which can be safely cast to t'GestureZoom', for instance with `toGestureZoom`.
    class (SP.GObject o, O.IsDescendantOf GestureZoom o) => IsGestureZoom o
    instance (SP.GObject o, O.IsDescendantOf GestureZoom o) => IsGestureZoom o

    instance O.HasParentTypes GestureZoom
    type instance O.ParentTypes GestureZoom = '[Gtk.Gesture.Gesture, Gtk.EventController.EventController, GObject.Object.Object]

    -- | Cast to t'GestureZoom', for types for which this is known to be safe. For general casts, use 'Data.GI.Base.ManagedPtr.castTo'.
    toGestureZoom :: (MIO.MonadIO m, IsGestureZoom o) => o -> m GestureZoom
    toGestureZoom :: forall (m :: * -> *) o.
    (MonadIO m, IsGestureZoom o) =>
    o -> m GestureZoom
    toGestureZoom = IO GestureZoom -> m GestureZoom
    forall a. IO a -> m a
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    MIO.liftIO (IO GestureZoom -> m GestureZoom)
    -> (o -> IO GestureZoom) -> o -> m GestureZoom
    forall b c a. (b -> c) -> (a -> b) -> a -> c
    . (ManagedPtr GestureZoom -> GestureZoom) -> o -> IO GestureZoom
    forall o o'.
    (HasCallStack, ManagedPtrNewtype o, TypedObject o,
     ManagedPtrNewtype o', TypedObject o') =>
    (ManagedPtr o' -> o') -> o -> IO o'
    B.ManagedPtr.unsafeCastTo ManagedPtr GestureZoom -> GestureZoom
    GestureZoom

    -- | Convert t'GestureZoom' to and from t'Data.GI.Base.GValue.GValue'. See 'Data.GI.Base.GValue.toGValue' and 'Data.GI.Base.GValue.fromGValue'.
    instance B.GValue.IsGValue (Maybe GestureZoom) where
        gvalueGType_ :: IO GType
    gvalueGType_ = IO GType
    c_gtk_gesture_zoom_get_type
        gvalueSet_ :: Ptr GValue -> Maybe GestureZoom -> IO ()
    gvalueSet_ Ptr GValue
    gv Maybe GestureZoom
    P.Nothing = Ptr GValue -> Ptr GestureZoom -> IO ()
    forall a. GObject a => Ptr GValue -> Ptr a -> IO ()
    B.GValue.set_object Ptr GValue
    gv (Ptr GestureZoom
    forall a. Ptr a
    FP.nullPtr :: FP.Ptr GestureZoom)
        gvalueSet_ Ptr GValue
    gv (P.Just GestureZoom
    obj) = GestureZoom -> (Ptr GestureZoom -> IO ()) -> IO ()
    forall a c.
    (HasCallStack, ManagedPtrNewtype a) =>
    a -> (Ptr a -> IO c) -> IO c
    B.ManagedPtr.withManagedPtr GestureZoom
    obj (Ptr GValue -> Ptr GestureZoom -> IO ()
    forall a. GObject a => Ptr GValue -> Ptr a -> IO ()
    B.GValue.set_object Ptr GValue
    gv)
        gvalueGet_ :: Ptr GValue -> IO (Maybe GestureZoom)
    gvalueGet_ Ptr GValue
    gv = do
            ptr <- Ptr GValue -> IO (Ptr GestureZoom)
    forall a. GObject a => Ptr GValue -> IO (Ptr a)
    B.GValue.get_object Ptr GValue
    gv :: IO (FP.Ptr GestureZoom)
            if ptr /= FP.nullPtr
            then P.Just <$> B.ManagedPtr.newObject GestureZoom ptr
            else return P.Nothing

    #if defined(ENABLE_OVERLOADING)
    type family ResolveGestureZoomMethod (t :: Symbol) (o :: DK.Type) :: DK.Type where
        ResolveGestureZoomMethod "bindProperty" o = GObject.Object.ObjectBindPropertyMethodInfo
        ResolveGestureZoomMethod "bindPropertyFull" o = GObject.Object.ObjectBindPropertyFullMethodInfo
        ResolveGestureZoomMethod "forceFloating" o = GObject.Object.ObjectForceFloatingMethodInfo
        ResolveGestureZoomMethod "freezeNotify" o = GObject.Object.ObjectFreezeNotifyMethodInfo
        ResolveGestureZoomMethod "getv" o = GObject.Object.ObjectGetvMethodInfo
        ResolveGestureZoomMethod "group" o = Gtk.Gesture.GestureGroupMethodInfo
        ResolveGestureZoomMethod "handleEvent" o = Gtk.EventController.EventControllerHandleEventMethodInfo
        ResolveGestureZoomMethod "handlesSequence" o = Gtk.Gesture.GestureHandlesSequenceMethodInfo
        ResolveGestureZoomMethod "isActive" o = Gtk.Gesture.GestureIsActiveMethodInfo
        ResolveGestureZoomMethod "isFloating" o = GObject.Object.ObjectIsFloatingMethodInfo
        ResolveGestureZoomMethod "isGroupedWith" o = Gtk.Gesture.GestureIsGroupedWithMethodInfo
        ResolveGestureZoomMethod "isRecognized" o = Gtk.Gesture.GestureIsRecognizedMethodInfo
        ResolveGestureZoomMethod "notify" o = GObject.Object.ObjectNotifyMethodInfo
        ResolveGestureZoomMethod "notifyByPspec" o = GObject.Object.ObjectNotifyByPspecMethodInfo
        ResolveGestureZoomMethod "ref" o = GObject.Object.ObjectRefMethodInfo
        ResolveGestureZoomMethod "refSink" o = GObject.Object.ObjectRefSinkMethodInfo
        ResolveGestureZoomMethod "reset" o = Gtk.EventController.EventControllerResetMethodInfo
        ResolveGestureZoomMethod "runDispose" o = GObject.Object.ObjectRunDisposeMethodInfo
        ResolveGestureZoomMethod "stealData" o = GObject.Object.ObjectStealDataMethodInfo
        ResolveGestureZoomMethod "stealQdata" o = GObject.Object.ObjectStealQdataMethodInfo
        ResolveGestureZoomMethod "thawNotify" o = GObject.Object.ObjectThawNotifyMethodInfo
        ResolveGestureZoomMethod "ungroup" o = Gtk.Gesture.GestureUngroupMethodInfo
        ResolveGestureZoomMethod "unref" o = GObject.Object.ObjectUnrefMethodInfo
        ResolveGestureZoomMethod "watchClosure" o = GObject.Object.ObjectWatchClosureMethodInfo
        ResolveGestureZoomMethod "getBoundingBox" o = Gtk.Gesture.GestureGetBoundingBoxMethodInfo
        ResolveGestureZoomMethod "getBoundingBoxCenter" o = Gtk.Gesture.GestureGetBoundingBoxCenterMethodInfo
        ResolveGestureZoomMethod "getData" o = GObject.Object.ObjectGetDataMethodInfo
        ResolveGestureZoomMethod "getDevice" o = Gtk.Gesture.GestureGetDeviceMethodInfo
        ResolveGestureZoomMethod "getGroup" o = Gtk.Gesture.GestureGetGroupMethodInfo
        ResolveGestureZoomMethod "getLastEvent" o = Gtk.Gesture.GestureGetLastEventMethodInfo
        ResolveGestureZoomMethod "getLastUpdatedSequence" o = Gtk.Gesture.GestureGetLastUpdatedSequenceMethodInfo
        ResolveGestureZoomMethod "getPoint" o = Gtk.Gesture.GestureGetPointMethodInfo
        ResolveGestureZoomMethod "getPropagationPhase" o = Gtk.EventController.EventControllerGetPropagationPhaseMethodInfo
        ResolveGestureZoomMethod "getProperty" o = GObject.Object.ObjectGetPropertyMethodInfo
        ResolveGestureZoomMethod "getQdata" o = GObject.Object.ObjectGetQdataMethodInfo
        ResolveGestureZoomMethod "getScaleDelta" o = GestureZoomGetScaleDeltaMethodInfo
        ResolveGestureZoomMethod "getSequenceState" o = Gtk.Gesture.GestureGetSequenceStateMethodInfo
        ResolveGestureZoomMethod "getSequences" o = Gtk.Gesture.GestureGetSequencesMethodInfo
        ResolveGestureZoomMethod "getWidget" o = Gtk.EventController.EventControllerGetWidgetMethodInfo
        ResolveGestureZoomMethod "getWindow" o = Gtk.Gesture.GestureGetWindowMethodInfo
        ResolveGestureZoomMethod "setData" o = GObject.Object.ObjectSetDataMethodInfo
        ResolveGestureZoomMethod "setDataFull" o = GObject.Object.ObjectSetDataFullMethodInfo
        ResolveGestureZoomMethod "setPropagationPhase" o = Gtk.EventController.EventControllerSetPropagationPhaseMethodInfo
        ResolveGestureZoomMethod "setProperty" o = GObject.Object.ObjectSetPropertyMethodInfo
        ResolveGestureZoomMethod "setSequenceState" o = Gtk.Gesture.GestureSetSequenceStateMethodInfo
        ResolveGestureZoomMethod "setState" o = Gtk.Gesture.GestureSetStateMethodInfo
        ResolveGestureZoomMethod "setWindow" o = Gtk.Gesture.GestureSetWindowMethodInfo
        ResolveGestureZoomMethod l o = O.MethodResolutionFailed l o

    instance (info ~ ResolveGestureZoomMethod t GestureZoom, O.OverloadedMethod info GestureZoom p) => OL.IsLabel t (GestureZoom -> p) where
    #if MIN_VERSION_base(4,10,0)
        fromLabel = O.overloadedMethod @info
    #else
        fromLabel _ = O.overloadedMethod @info
    #endif

    #if MIN_VERSION_base(4,13,0)
    instance (info ~ ResolveGestureZoomMethod t GestureZoom, O.OverloadedMethod info GestureZoom p, R.HasField t GestureZoom p) => R.HasField t GestureZoom p where
        getField = O.overloadedMethod @info

    #endif

    instance (info ~ ResolveGestureZoomMethod t GestureZoom, O.OverloadedMethodInfo info GestureZoom) => OL.IsLabel t (O.MethodProxy info GestureZoom) where
    #if MIN_VERSION_base(4,10,0)
        fromLabel = O.MethodProxy
    #else
        fromLabel _ = O.MethodProxy
    #endif

    #endif

    -- signal GestureZoom::scale-changed
    -- | This signal is emitted whenever the distance between both tracked
    -- sequences changes.
    --
    -- /Since: 3.14/
    type GestureZoomScaleChangedCallback =
        Double
        -- ^ /@scale@/: Scale delta, taking the initial state as 1:1
        -> IO ()

    type C_GestureZoomScaleChangedCallback =
        Ptr GestureZoom ->                      -- object
        CDouble ->
        Ptr () ->                               -- user_data
        IO ()

    -- | Generate a function pointer callable from C code, from a `C_GestureZoomScaleChangedCallback`.
    foreign import ccall "wrapper"
        mk_GestureZoomScaleChangedCallback :: C_GestureZoomScaleChangedCallback -> IO (FunPtr C_GestureZoomScaleChangedCallback)

    wrap_GestureZoomScaleChangedCallback ::
        GObject a => (a -> GestureZoomScaleChangedCallback) ->
        C_GestureZoomScaleChangedCallback
    wrap_GestureZoomScaleChangedCallback :: forall a.
    GObject a =>
    (a -> GestureZoomScaleChangedCallback)
    -> C_GestureZoomScaleChangedCallback
    wrap_GestureZoomScaleChangedCallback a -> GestureZoomScaleChangedCallback
    gi'cb Ptr GestureZoom
    gi'selfPtr CDouble
    scale Ptr ()
    _ = do
        let scale' :: Double
    scale' = CDouble -> Double
    forall a b. (Real a, Fractional b) => a -> b
    realToFrac CDouble
    scale
        Ptr GestureZoom -> (GestureZoom -> IO ()) -> IO ()
    forall o b.
    (HasCallStack, GObject o) =>
    Ptr o -> (o -> IO b) -> IO b
    B.ManagedPtr.withNewObject Ptr GestureZoom
    gi'selfPtr ((GestureZoom -> IO ()) -> IO ())
    -> (GestureZoom -> IO ()) -> IO ()
    forall a b. (a -> b) -> a -> b
    $ \GestureZoom
    gi'self -> a -> GestureZoomScaleChangedCallback
    gi'cb (GestureZoom -> a
    forall a b. Coercible a b => a -> b
    Coerce.coerce GestureZoom
    gi'self)  Double
    scale'

    -- | Connect a signal handler for the [scaleChanged](#signal:scaleChanged) signal, to be run before the default handler.
    -- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
    --
    -- @
    -- 'Data.GI.Base.Signals.on' gestureZoom #scaleChanged callback
    -- @
    --
    --
    onGestureZoomScaleChanged :: (IsGestureZoom a, MonadIO m) => a -> ((?self :: a) => GestureZoomScaleChangedCallback) -> m SignalHandlerId
    onGestureZoomScaleChanged :: forall a (m :: * -> *).
    (IsGestureZoom a, MonadIO m) =>
    a
    -> ((?self::a) => GestureZoomScaleChangedCallback)
    -> m SignalHandlerId
    onGestureZoomScaleChanged a
    obj (?self::a) => GestureZoomScaleChangedCallback
    cb = IO SignalHandlerId -> m SignalHandlerId
    forall a. IO a -> m a
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO SignalHandlerId -> m SignalHandlerId)
    -> IO SignalHandlerId -> m SignalHandlerId
    forall a b. (a -> b) -> a -> b
    $ do
        let wrapped :: a -> GestureZoomScaleChangedCallback
    wrapped a
    self = let ?self = a
    ?self::a
    self in (?self::a) => GestureZoomScaleChangedCallback
    GestureZoomScaleChangedCallback
    cb
        let wrapped' :: C_GestureZoomScaleChangedCallback
    wrapped' = (a -> GestureZoomScaleChangedCallback)
    -> C_GestureZoomScaleChangedCallback
    forall a.
    GObject a =>
    (a -> GestureZoomScaleChangedCallback)
    -> C_GestureZoomScaleChangedCallback
    wrap_GestureZoomScaleChangedCallback a -> GestureZoomScaleChangedCallback
    wrapped
        wrapped'' <- C_GestureZoomScaleChangedCallback
    -> IO (FunPtr C_GestureZoomScaleChangedCallback)
    mk_GestureZoomScaleChangedCallback C_GestureZoomScaleChangedCallback
    wrapped'
        connectSignalFunPtr obj "scale-changed" wrapped'' SignalConnectBefore Nothing

    -- | Connect a signal handler for the [scaleChanged](#signal:scaleChanged) signal, to be run after the default handler.
    -- When <https://github.com/haskell-gi/haskell-gi/wiki/Overloading overloading> is enabled, this is equivalent to
    --
    -- @
    -- 'Data.GI.Base.Signals.after' gestureZoom #scaleChanged callback
    -- @
    --
    --
    --
    -- By default the object invoking the signal is not passed to the callback.
    -- If you need to access it, you can use the implit @?self@ parameter.
    -- Note that this requires activating the @ImplicitParams@ GHC extension.
    --
    afterGestureZoomScaleChanged :: (IsGestureZoom a, MonadIO m) => a -> ((?self :: a) => GestureZoomScaleChangedCallback) -> m SignalHandlerId
    afterGestureZoomScaleChanged :: forall a (m :: * -> *).
    (IsGestureZoom a, MonadIO m) =>
    a
    -> ((?self::a) => GestureZoomScaleChangedCallback)
    -> m SignalHandlerId
    afterGestureZoomScaleChanged a
    obj (?self::a) => GestureZoomScaleChangedCallback
    cb = IO SignalHandlerId -> m SignalHandlerId
    forall a. IO a -> m a
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO SignalHandlerId -> m SignalHandlerId)
    -> IO SignalHandlerId -> m SignalHandlerId
    forall a b. (a -> b) -> a -> b
    $ do
        let wrapped :: a -> GestureZoomScaleChangedCallback
    wrapped a
    self = let ?self = a
    ?self::a
    self in (?self::a) => GestureZoomScaleChangedCallback
    GestureZoomScaleChangedCallback
    cb
        let wrapped' :: C_GestureZoomScaleChangedCallback
    wrapped' = (a -> GestureZoomScaleChangedCallback)
    -> C_GestureZoomScaleChangedCallback
    forall a.
    GObject a =>
    (a -> GestureZoomScaleChangedCallback)
    -> C_GestureZoomScaleChangedCallback
    wrap_GestureZoomScaleChangedCallback a -> GestureZoomScaleChangedCallback
    wrapped
        wrapped'' <- C_GestureZoomScaleChangedCallback
    -> IO (FunPtr C_GestureZoomScaleChangedCallback)
    mk_GestureZoomScaleChangedCallback C_GestureZoomScaleChangedCallback
    wrapped'
        connectSignalFunPtr obj "scale-changed" wrapped'' SignalConnectAfter Nothing

    #if defined(ENABLE_OVERLOADING)
    data GestureZoomScaleChangedSignalInfo
    instance SignalInfo GestureZoomScaleChangedSignalInfo where
        type HaskellCallbackType GestureZoomScaleChangedSignalInfo = GestureZoomScaleChangedCallback
        connectSignal obj cb connectMode detail = do
            let cb' = wrap_GestureZoomScaleChangedCallback cb
            cb'' <- mk_GestureZoomScaleChangedCallback cb'
            connectSignalFunPtr obj "scale-changed" cb'' connectMode detail
        dbgSignalInfo = P.Just (O.ResolvedSymbolInfo {
            O.resolvedSymbolName = "GI.Gtk.Objects.GestureZoom::scale-changed"
            , O.resolvedSymbolURL = "https://hackage.haskell.org/package/gi-gtk3-3.0.44/docs/GI-Gtk-Objects-GestureZoom.html#g:signal:scaleChanged"})

    #endif

    #if defined(ENABLE_OVERLOADING)
    instance O.HasAttributeList GestureZoom
    type instance O.AttributeList GestureZoom = GestureZoomAttributeList
    type GestureZoomAttributeList = ('[ '("nPoints", Gtk.Gesture.GestureNPointsPropertyInfo), '("propagationPhase", Gtk.EventController.EventControllerPropagationPhasePropertyInfo), '("widget", Gtk.EventController.EventControllerWidgetPropertyInfo), '("window", Gtk.Gesture.GestureWindowPropertyInfo)] :: [(Symbol, DK.Type)])
    #endif

    #if defined(ENABLE_OVERLOADING)
    #endif

    #if defined(ENABLE_OVERLOADING)
    type instance O.SignalList GestureZoom = GestureZoomSignalList
    type GestureZoomSignalList = ('[ '("begin", Gtk.Gesture.GestureBeginSignalInfo), '("cancel", Gtk.Gesture.GestureCancelSignalInfo), '("end", Gtk.Gesture.GestureEndSignalInfo), '("notify", GObject.Object.ObjectNotifySignalInfo), '("scaleChanged", GestureZoomScaleChangedSignalInfo), '("sequenceStateChanged", Gtk.Gesture.GestureSequenceStateChangedSignalInfo), '("update", Gtk.Gesture.GestureUpdateSignalInfo)] :: [(Symbol, DK.Type)])

    #endif

    -- method GestureZoom::new
    -- method type : Constructor
    -- Args: [ Arg
    --           { argCName = "widget"
    --           , argType = TInterface Name { namespace = "Gtk" , name = "Widget" }
    --           , argCType = Just "GtkWidget*"
    --           , direction = DirectionIn
    --           , mayBeNull = False
    --           , argDoc =
    --               Documentation
    --                 { rawDocText = Just "a #GtkWidget" , sinceVersion = Nothing }
    --           , argScope = ScopeTypeInvalid
    --           , argClosure = -1
    --           , argDestroy = -1
    --           , argCallerAllocates = False
    --           , argCallbackUserData = False
    --           , transfer = TransferNothing
    --           }
    --       ]
    -- Lengths: []
    -- returnType: Just (TInterface Name { namespace = "Gtk" , name = "GestureZoom" })
    -- throws : False
    -- Skip return : False

    foreign import ccall "gtk_gesture_zoom_new" gtk_gesture_zoom_new ::
        Ptr Gtk.Widget.Widget ->                -- widget : TInterface (Name {namespace = "Gtk", name = "Widget"})
        IO (Ptr GestureZoom)

    -- | Returns a newly created t'GI.Gtk.Objects.Gesture.Gesture' that recognizes zoom
    -- in\/out gestures (usually known as pinch\/zoom).
    --
    -- /Since: 3.14/
    gestureZoomNew ::
        (B.CallStack.HasCallStack, MonadIO m, Gtk.Widget.IsWidget a) =>
        a
        -- ^ /@widget@/: a t'GI.Gtk.Objects.Widget.Widget'
        -> m GestureZoom
        -- ^ __Returns:__ a newly created t'GI.Gtk.Objects.GestureZoom.GestureZoom'
    gestureZoomNew :: forall (m :: * -> *) a.
    (HasCallStack, MonadIO m, IsWidget a) =>
    a -> m GestureZoom
    gestureZoomNew a
    widget = IO GestureZoom -> m GestureZoom
    forall a. IO a -> m a
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO GestureZoom -> m GestureZoom)
    -> IO GestureZoom -> m GestureZoom
    forall a b. (a -> b) -> a -> b
    $ do
        widget' <- a -> IO (Ptr Widget)
    forall a b. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr b)
    unsafeManagedPtrCastPtr a
    widget
        result <- gtk_gesture_zoom_new widget'
        checkUnexpectedReturnNULL "gestureZoomNew" result
        result' <- (wrapObject GestureZoom) result
        touchManagedPtr widget
        return result'

    #if defined(ENABLE_OVERLOADING)
    #endif

    -- method GestureZoom::get_scale_delta
    -- method type : OrdinaryMethod
    -- Args: [ Arg
    --           { argCName = "gesture"
    --           , argType =
    --               TInterface Name { namespace = "Gtk" , name = "GestureZoom" }
    --           , argCType = Just "GtkGestureZoom*"
    --           , direction = DirectionIn
    --           , mayBeNull = False
    --           , argDoc =
    --               Documentation
    --                 { rawDocText = Just "a #GtkGestureZoom" , sinceVersion = Nothing }
    --           , argScope = ScopeTypeInvalid
    --           , argClosure = -1
    --           , argDestroy = -1
    --           , argCallerAllocates = False
    --           , argCallbackUserData = False
    --           , transfer = TransferNothing
    --           }
    --       ]
    -- Lengths: []
    -- returnType: Just (TBasicType TDouble)
    -- throws : False
    -- Skip return : False

    foreign import ccall "gtk_gesture_zoom_get_scale_delta" gtk_gesture_zoom_get_scale_delta ::
        Ptr GestureZoom ->                      -- gesture : TInterface (Name {namespace = "Gtk", name = "GestureZoom"})
        IO CDouble

    -- | If /@gesture@/ is active, this function returns the zooming difference
    -- since the gesture was recognized (hence the starting point is
    -- considered 1:1). If /@gesture@/ is not active, 1 is returned.
    --
    -- /Since: 3.14/
    gestureZoomGetScaleDelta ::
        (B.CallStack.HasCallStack, MonadIO m, IsGestureZoom a) =>
        a
        -- ^ /@gesture@/: a t'GI.Gtk.Objects.GestureZoom.GestureZoom'
        -> m Double
        -- ^ __Returns:__ the scale delta
    gestureZoomGetScaleDelta :: forall (m :: * -> *) a.
    (HasCallStack, MonadIO m, IsGestureZoom a) =>
    a -> m Double
    gestureZoomGetScaleDelta a
    gesture = IO Double -> m Double
    forall a. IO a -> m a
    forall (m :: * -> *) a. MonadIO m => IO a -> m a
    liftIO (IO Double -> m Double) -> IO Double -> m Double
    forall a b. (a -> b) -> a -> b
    $ do
        gesture' <- a -> IO (Ptr GestureZoom)
    forall a b. (HasCallStack, ManagedPtrNewtype a) => a -> IO (Ptr b)
    unsafeManagedPtrCastPtr a
    gesture
        result <- gtk_gesture_zoom_get_scale_delta gesture'
        let result' = CDouble -> Double
    forall a b. (Real a, Fractional b) => a -> b
    realToFrac CDouble
    result
        touchManagedPtr gesture
        return result'

    #if defined(ENABLE_OVERLOADING)
    data GestureZoomGetScaleDeltaMethodInfo
    instance (signature ~ (m Double), MonadIO m, IsGestureZoom a) => O.OverloadedMethod GestureZoomGetScaleDeltaMethodInfo a signature where
        overloadedMethod = gestureZoomGetScaleDelta

    instance O.OverloadedMethodInfo GestureZoomGetScaleDeltaMethodInfo a where
        overloadedMethodInfo = P.Just (O.ResolvedSymbolInfo {
            O.resolvedSymbolName = "GI.Gtk.Objects.GestureZoom.gestureZoomGetScaleDelta",
            O.resolvedSymbolURL = "https://hackage.haskell.org/package/gi-gtk3-3.0.44/docs/GI-Gtk-Objects-GestureZoom.html#v:gestureZoomGetScaleDelta"
            })

    #endif