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1. monitorGetWidthMm :: (HasCallStack, MonadIO m, IsMonitor a) => a -> m Int32

   gi-gdk4	GI.Gdk.Objects.Monitor

   Gets the width in millimeters of the monitor.

2. monitorIsValid :: (HasCallStack, MonadIO m, IsMonitor a) => a -> m Bool

   gi-gdk4	GI.Gdk.Objects.Monitor

   Returns True if the monitor object corresponds to a physical monitor. The monitor becomes invalid when the physical monitor is unplugged or removed.

3. onMonitorInvalidate :: (IsMonitor a, MonadIO m) => a -> ((?self :: a) => MonitorInvalidateCallback) -> m SignalHandlerId

   gi-gdk4	GI.Gdk.Objects.Monitor

   Connect a signal handler for the invalidate signal, to be run before the default handler. When overloading is enabled, this is equivalent to

   on monitor #invalidate callback
   

4. getSurfaceWidth :: (MonadIO m, IsSurface o) => o -> m Int32

   gi-gdk4	GI.Gdk.Objects.Surface

   Get the value of the “width” property. When overloading is enabled, this is equivalent to

   get surface #width
   

5. surfaceGetWidth :: (HasCallStack, MonadIO m, IsSurface a) => a -> m Int32

   gi-gdk4	GI.Gdk.Objects.Surface

   Returns the width of the given surface. Surface size is reported in ”application pixels”, not ”device pixels” (see surfaceGetScaleFactor).

6. surfaceHide :: (HasCallStack, MonadIO m, IsSurface a) => a -> m ()

   gi-gdk4	GI.Gdk.Objects.Surface

   Hide the surface. For toplevel surfaces, withdraws them, so they will no longer be known to the window manager; for all surfaces, unmaps them, so they won’t be displayed. Normally done automatically as part of gtk_widget_hide().

7. constructTextureWidth :: (IsTexture o, MonadIO m) => Int32 -> m (GValueConstruct o)

   gi-gdk4	GI.Gdk.Objects.Texture

   Construct a GValueConstruct with valid value for the “width” property. This is rarely needed directly, but it is used by new.

8. getTextureWidth :: (MonadIO m, IsTexture o) => o -> m Int32

   gi-gdk4	GI.Gdk.Objects.Texture

   Get the value of the “width” property. When overloading is enabled, this is equivalent to

   get texture #width
   

9. textureGetWidth :: (HasCallStack, MonadIO m, IsTexture a) => a -> m Int32

   gi-gdk4	GI.Gdk.Objects.Texture

   Returns the width of texture, in pixels.

10. popupLayoutGetShadowWidth :: (HasCallStack, MonadIO m) => PopupLayout -> m (Int32, Int32, Int32, Int32)

    gi-gdk4	GI.Gdk.Structs.PopupLayout

    Obtains the shadow widths of this layout. Since: 4.2

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