Hoogle Search

Within LTS Haskell 24.52 (ghc-9.10.3)

Note that Stackage only displays results for the latest LTS and Nightly snapshot. Learn more.

Exact lookup

1. type C_DrawingAreaDrawFunc = Ptr DrawingArea -> Ptr Context -> Int32 -> Int32 -> Ptr () -> IO ()

   gi-gtk4	GI.Gtk.Callbacks

   Type for the callback on the (unwrapped) C side.

2. type DrawingAreaDrawFunc = DrawingArea -> Context -> Int32 -> Int32 -> IO ()

   gi-gtk4	GI.Gtk.Callbacks

   Whenever drawingArea needs to redraw, this function will be called. This function should exclusively redraw the contents of the drawing area and must not call any widget functions that cause changes.

3. type DrawingAreaDrawFunc_WithClosures = DrawingArea -> Context -> Int32 -> Int32 -> Ptr () -> IO ()

   gi-gtk4	GI.Gtk.Callbacks

   Whenever drawingArea needs to redraw, this function will be called. This function should exclusively redraw the contents of the drawing area and must not call any widget functions that cause changes.

4. drop_closures_DrawingAreaDrawFunc :: DrawingAreaDrawFunc -> DrawingAreaDrawFunc_WithClosures

   gi-gtk4	GI.Gtk.Callbacks

   A simple wrapper that ignores the closure arguments.

5. dynamic_DrawingAreaDrawFunc :: (HasCallStack, MonadIO m, IsDrawingArea a) => FunPtr C_DrawingAreaDrawFunc -> a -> Context -> Int32 -> Int32 -> Ptr () -> m ()

   gi-gtk4	GI.Gtk.Callbacks

   Given a pointer to a foreign C function, wrap it into a function callable from Haskell.

6. genClosure_DrawingAreaDrawFunc :: MonadIO m => DrawingAreaDrawFunc -> m (GClosure C_DrawingAreaDrawFunc)

   gi-gtk4	GI.Gtk.Callbacks

   Wrap the callback into a GClosure.

7. mk_DrawingAreaDrawFunc :: C_DrawingAreaDrawFunc -> IO (FunPtr C_DrawingAreaDrawFunc)

   gi-gtk4	GI.Gtk.Callbacks

   Generate a function pointer callable from C code, from a C_DrawingAreaDrawFunc.

8. noDrawingAreaDrawFunc :: Maybe DrawingAreaDrawFunc

   gi-gtk4	GI.Gtk.Callbacks

   A convenience synonym for Nothing :: Maybe DrawingAreaDrawFunc.

9. noDrawingAreaDrawFunc_WithClosures :: Maybe DrawingAreaDrawFunc_WithClosures

   gi-gtk4	GI.Gtk.Callbacks

   A convenience synonym for Nothing :: Maybe DrawingAreaDrawFunc_WithClosures.

10. wrap_DrawingAreaDrawFunc :: Maybe (Ptr (FunPtr C_DrawingAreaDrawFunc)) -> DrawingAreaDrawFunc_WithClosures -> C_DrawingAreaDrawFunc

    gi-gtk4	GI.Gtk.Callbacks

    Wrap a DrawingAreaDrawFunc into a C_DrawingAreaDrawFunc.

Page 701 of many | Previous | Next