Copyright	Will Thompson Iñaki García Etxebarria and Jonas Platte
License	LGPL-2.1
Maintainer	Iñaki García Etxebarria (inaki@blueleaf.cc)
Safe Haskell	None
Language	Haskell2010

GI.Gtk.Interfaces.TreeDragDest

Contents

Exported types
Methods
- dragDataReceived
- rowDropPossible

Description

No description available in the introspection data.

Synopsis

newtype TreeDragDest = TreeDragDest (ManagedPtr TreeDragDest)
noTreeDragDest :: Maybe TreeDragDest
class (ManagedPtrNewtype o, IsDescendantOf TreeDragDest o) => IsTreeDragDest o
treeDragDestDragDataReceived :: (HasCallStack, MonadIO m, IsTreeDragDest a) => a -> TreePath -> SelectionData -> m Bool
treeDragDestRowDropPossible :: (HasCallStack, MonadIO m, IsTreeDragDest a) => a -> TreePath -> SelectionData -> m Bool

Exported types

newtype TreeDragDest Source #

Memory-managed wrapper type.

Constructors

TreeDragDest (ManagedPtr TreeDragDest)

Instances

WrappedPtr TreeDragDest Source #
Instance details Defined in GI.Gtk.Interfaces.TreeDragDest Methods wrappedPtrCalloc :: IO (Ptr TreeDragDest) # wrappedPtrCopy :: TreeDragDest -> IO TreeDragDest # wrappedPtrFree :: Maybe (GDestroyNotify TreeDragDest) #

noTreeDragDest :: Maybe TreeDragDest Source #

A convenience alias for Nothing :: Maybe TreeDragDest.

class (ManagedPtrNewtype o, IsDescendantOf TreeDragDest o) => IsTreeDragDest o Source #

Type class for types which implement TreeDragDest.

Instances

(ManagedPtrNewtype o, IsDescendantOf TreeDragDest o) => IsTreeDragDest o Source #
Instance details Defined in GI.Gtk.Interfaces.TreeDragDest

Methods

dragDataReceived

treeDragDestDragDataReceived Source #

Arguments

:: (HasCallStack, MonadIO m, IsTreeDragDest a)
=> a	`dragDest`: a `TreeDragDest`
-> TreePath	`dest`: row to drop in front of
-> SelectionData	`selectionData`: data to drop
-> m Bool	Returns: whether a new row was created before position `dest`

Asks the TreeDragDest to insert a row before the path dest, deriving the contents of the row from selectionData. If dest is outside the tree so that inserting before it is impossible, False will be returned. Also, False may be returned if the new row is not created for some model-specific reason. Should robustly handle a dest no longer found in the model!

rowDropPossible

treeDragDestRowDropPossible Source #

Arguments

:: (HasCallStack, MonadIO m, IsTreeDragDest a)
=> a	`dragDest`: a `TreeDragDest`
-> TreePath	`destPath`: destination row
-> SelectionData	`selectionData`: the data being dragged
-> m Bool	Returns: `True` if a drop is possible before `destPath`

Determines whether a drop is possible before the given destPath, at the same depth as destPath. i.e., can we drop the data in selectionData at that location. destPath does not have to exist; the return value will almost certainly be False if the parent of destPath doesn’t exist, though.