Index

Package: Overlay

Description

package Gtk.Overlay is

GtkOverlay is a container which contains a single main child, on top of which it can place 'overlay' widgets. The position of each overlay widget is determined by its Gtk.Widget.Gtk_Widget:halign and Gtk.Widget.Gtk_Widget:valign properties. E.g. a widget with both alignments set to Gtk.Widget.Align_Start will be placed at the top left corner of the main widget, whereas an overlay with halign set to Gtk.Widget.Align_Center and valign set to Gtk.Widget.Align_End will be placed a the bottom edge of the main widget, horizontally centered. The position can be adjusted by setting the margin properties of the child to non-zero values.

More complicated placement of overlays is possible by connecting to the Gtk.Overlay.Gtk_Overlay::get-child-position signal. == GtkOverlay as GtkBuildable == The GtkOverlay implementation of the GtkBuildable interface supports placing a child as an overlay by specifying "overlay" as the "type" attribute of a <tag class="starttag">child</tag> element.

Packages

Implements_Gtk_Buildable (new Glib.Types.Implements)

Classes

Gtk_Overlay_Record

type Gtk_Overlay_Record is new Gtk_Bin_Record with null record;

Ancestors:

Primitive operations:

Glib.Object.Deallocate (Inherited)
Glib.Object.Get_Type (Inherited)
Glib.Object.Notify (Inherited)
Glib.Object.Ref (Inherited)
Glib.Object.Ref_Sink (Inherited)
Glib.Object.Unref (Inherited)
Gtk.Bin.Get_Child (Inherited)
Gtk.Container.Add (Inherited)
Gtk.Container.Check_Resize (Inherited)
Gtk.Container.Child_Get_Property (Inherited)
Gtk.Container.Child_Notify (Inherited)
Gtk.Container.Child_Set_Property (Inherited)
Gtk.Container.Child_Type (Inherited)
Gtk.Container.Forall (Inherited)
Gtk.Container.Foreach (Inherited)
Gtk.Container.Get_Border_Width (Inherited)
Gtk.Container.Get_Children (Inherited)
Gtk.Container.Get_Focus_Child (Inherited)
Gtk.Container.Get_Focus_Hadjustment (Inherited)
Gtk.Container.Get_Focus_Vadjustment (Inherited)
Gtk.Container.Get_Path_For_Child (Inherited)
Gtk.Container.Get_Resize_Mode (Inherited)
Gtk.Container.On_Add (Inherited)
Gtk.Container.On_Add (Inherited)
Gtk.Container.On_Check_Resize (Inherited)
Gtk.Container.On_Check_Resize (Inherited)
Gtk.Container.On_Remove (Inherited)
Gtk.Container.On_Remove (Inherited)
Gtk.Container.On_Set_Focus_Child (Inherited)
Gtk.Container.On_Set_Focus_Child (Inherited)
Gtk.Container.Propagate_Draw (Inherited)
Gtk.Container.Remove (Inherited)
Gtk.Container.Resize_Children (Inherited)
Gtk.Container.Set_Border_Width (Inherited)
Gtk.Container.Set_Focus_Chain (Inherited)
Gtk.Container.Set_Focus_Child (Inherited)
Gtk.Container.Set_Focus_Hadjustment (Inherited)
Gtk.Container.Set_Focus_Vadjustment (Inherited)
Gtk.Container.Set_Reallocate_Redraws (Inherited)
Gtk.Container.Set_Resize_Mode (Inherited)
Gtk.Container.Unset_Focus_Chain (Inherited)
Gtk.Widget.Activate (Inherited)
Gtk.Widget.Add_Accelerator (Inherited)
Gtk.Widget.Add_Device_Events (Inherited)
Gtk.Widget.Add_Events (Inherited)
Gtk.Widget.Add_Mnemonic_Label (Inherited)
Gtk.Widget.Add_Tick_Callback (Inherited)
Gtk.Widget.Can_Activate_Accel (Inherited)
Gtk.Widget.Child_Focus (Inherited)
Gtk.Widget.Child_Notify (Inherited)
Gtk.Widget.Compute_Expand (Inherited)
Gtk.Widget.Create_Pango_Context (Inherited)
Gtk.Widget.Create_Pango_Layout (Inherited)
Gtk.Widget.Destroy (Inherited)
Gtk.Widget.Destroyed (Inherited)
Gtk.Widget.Device_Is_Shadowed (Inherited)
Gtk.Widget.Drag_Check_Threshold (Inherited)
Gtk.Widget.Drag_Dest_Add_Image_Targets (Inherited)
Gtk.Widget.Drag_Dest_Add_Text_Targets (Inherited)
Gtk.Widget.Drag_Dest_Add_Uri_Targets (Inherited)
Gtk.Widget.Drag_Dest_Get_Track_Motion (Inherited)
Gtk.Widget.Drag_Dest_Set_Proxy (Inherited)
Gtk.Widget.Drag_Dest_Set_Track_Motion (Inherited)
Gtk.Widget.Drag_Dest_Unset (Inherited)
Gtk.Widget.Drag_Get_Data (Inherited)
Gtk.Widget.Drag_Highlight (Inherited)
Gtk.Widget.Drag_Source_Add_Image_Targets (Inherited)
Gtk.Widget.Drag_Source_Add_Uri_Targets (Inherited)
Gtk.Widget.Drag_Source_Set_Icon_Pixbuf (Inherited)
Gtk.Widget.Drag_Source_Unset (Inherited)
Gtk.Widget.Drag_Unhighlight (Inherited)
Gtk.Widget.Draw (Inherited)
Gtk.Widget.Ensure_Style (Inherited)
Gtk.Widget.Error_Bell (Inherited)
Gtk.Widget.Event (Inherited)
Gtk.Widget.Freeze_Child_Notify (Inherited)
Gtk.Widget.Get_Allocated_Height (Inherited)
Gtk.Widget.Get_Allocated_Width (Inherited)
Gtk.Widget.Get_Allocation (Inherited)
Gtk.Widget.Get_Ancestor (Inherited)
Gtk.Widget.Get_App_Paintable (Inherited)
Gtk.Widget.Get_Can_Default (Inherited)
Gtk.Widget.Get_Can_Focus (Inherited)
Gtk.Widget.Get_Child_Requisition (Inherited)
Gtk.Widget.Get_Child_Visible (Inherited)
Gtk.Widget.Get_Composite_Name (Inherited)
Gtk.Widget.Get_Device_Enabled (Inherited)
Gtk.Widget.Get_Device_Events (Inherited)
Gtk.Widget.Get_Direction (Inherited)
Gtk.Widget.Get_Display (Inherited)
Gtk.Widget.Get_Double_Buffered (Inherited)
Gtk.Widget.Get_Events (Inherited)
Gtk.Widget.Get_Frame_Clock (Inherited)
Gtk.Widget.Get_Halign (Inherited)
Gtk.Widget.Get_Has_Tooltip (Inherited)
Gtk.Widget.Get_Has_Window (Inherited)
Gtk.Widget.Get_Hexpand (Inherited)
Gtk.Widget.Get_Hexpand_Set (Inherited)
Gtk.Widget.Get_Mapped (Inherited)
Gtk.Widget.Get_Margin_Bottom (Inherited)
Gtk.Widget.Get_Margin_Left (Inherited)
Gtk.Widget.Get_Margin_Right (Inherited)
Gtk.Widget.Get_Margin_Top (Inherited)
Gtk.Widget.Get_Modifier_Mask (Inherited)
Gtk.Widget.Get_Name (Inherited)
Gtk.Widget.Get_No_Show_All (Inherited)
Gtk.Widget.Get_Opacity (Inherited)
Gtk.Widget.Get_Pango_Context (Inherited)
Gtk.Widget.Get_Parent (Inherited)
Gtk.Widget.Get_Parent_Window (Inherited)
Gtk.Widget.Get_Path (Inherited)
Gtk.Widget.Get_Pointer (Inherited)
Gtk.Widget.Get_Preferred_Height (Inherited)
Gtk.Widget.Get_Preferred_Height_For_Width (Inherited)
Gtk.Widget.Get_Preferred_Size (Inherited)
Gtk.Widget.Get_Preferred_Width (Inherited)
Gtk.Widget.Get_Preferred_Width_For_Height (Inherited)
Gtk.Widget.Get_Realized (Inherited)
Gtk.Widget.Get_Receives_Default (Inherited)
Gtk.Widget.Get_Request_Mode (Inherited)
Gtk.Widget.Get_Requisition (Inherited)
Gtk.Widget.Get_Root_Window (Inherited)
Gtk.Widget.Get_Screen (Inherited)
Gtk.Widget.Get_Sensitive (Inherited)
Gtk.Widget.Get_Size_Request (Inherited)
Gtk.Widget.Get_State (Inherited)
Gtk.Widget.Get_State_Flags (Inherited)
Gtk.Widget.Get_Style (Inherited)
Gtk.Widget.Get_Support_Multidevice (Inherited)
Gtk.Widget.Get_Tooltip_Markup (Inherited)
Gtk.Widget.Get_Tooltip_Text (Inherited)
Gtk.Widget.Get_Tooltip_Window (Inherited)
Gtk.Widget.Get_Toplevel (Inherited)
Gtk.Widget.Get_Valign (Inherited)
Gtk.Widget.Get_Vexpand (Inherited)
Gtk.Widget.Get_Vexpand_Set (Inherited)
Gtk.Widget.Get_Visible (Inherited)
Gtk.Widget.Get_Visual (Inherited)
Gtk.Widget.Get_Window (Inherited)
Gtk.Widget.Grab_Add (Inherited)
Gtk.Widget.Grab_Default (Inherited)
Gtk.Widget.Grab_Focus (Inherited)
Gtk.Widget.Grab_Remove (Inherited)
Gtk.Widget.Has_Default (Inherited)
Gtk.Widget.Has_Focus (Inherited)
Gtk.Widget.Has_Grab (Inherited)
Gtk.Widget.Has_Rc_Style (Inherited)
Gtk.Widget.Has_Screen (Inherited)
Gtk.Widget.Has_Visible_Focus (Inherited)
Gtk.Widget.Hide (Inherited)
Gtk.Widget.Hide_On_Delete (Inherited)
Gtk.Widget.In_Destruction (Inherited)
Gtk.Widget.Input_Shape_Combine_Region (Inherited)
Gtk.Widget.Intersect (Inherited)
Gtk.Widget.Is_Ancestor (Inherited)
Gtk.Widget.Is_Composited (Inherited)
Gtk.Widget.Is_Drawable (Inherited)
Gtk.Widget.Is_Focus (Inherited)
Gtk.Widget.Is_Sensitive (Inherited)
Gtk.Widget.Is_Toplevel (Inherited)
Gtk.Widget.Is_Visible (Inherited)
Gtk.Widget.Keynav_Failed (Inherited)
Gtk.Widget.List_Mnemonic_Labels (Inherited)
Gtk.Widget.Map (Inherited)
Gtk.Widget.Mnemonic_Activate (Inherited)
Gtk.Widget.Modify_Base (Inherited)
Gtk.Widget.Modify_Bg (Inherited)
Gtk.Widget.Modify_Cursor (Inherited)
Gtk.Widget.Modify_Fg (Inherited)
Gtk.Widget.Modify_Font (Inherited)
Gtk.Widget.Modify_Text (Inherited)
Gtk.Widget.On_Accel_Closures_Changed (Inherited)
Gtk.Widget.On_Accel_Closures_Changed (Inherited)
Gtk.Widget.On_Button_Press_Event (Inherited)
Gtk.Widget.On_Button_Press_Event (Inherited)
Gtk.Widget.On_Button_Release_Event (Inherited)
Gtk.Widget.On_Button_Release_Event (Inherited)
Gtk.Widget.On_Can_Activate_Accel (Inherited)
Gtk.Widget.On_Can_Activate_Accel (Inherited)
Gtk.Widget.On_Child_Notify (Inherited)
Gtk.Widget.On_Child_Notify (Inherited)
Gtk.Widget.On_Composited_Changed (Inherited)
Gtk.Widget.On_Composited_Changed (Inherited)
Gtk.Widget.On_Configure_Event (Inherited)
Gtk.Widget.On_Configure_Event (Inherited)
Gtk.Widget.On_Damage_Event (Inherited)
Gtk.Widget.On_Damage_Event (Inherited)
Gtk.Widget.On_Delete_Event (Inherited)
Gtk.Widget.On_Delete_Event (Inherited)
Gtk.Widget.On_Destroy (Inherited)
Gtk.Widget.On_Destroy (Inherited)
Gtk.Widget.On_Destroy_Event (Inherited)
Gtk.Widget.On_Destroy_Event (Inherited)
Gtk.Widget.On_Direction_Changed (Inherited)
Gtk.Widget.On_Direction_Changed (Inherited)
Gtk.Widget.On_Drag_Begin (Inherited)
Gtk.Widget.On_Drag_Begin (Inherited)
Gtk.Widget.On_Drag_Data_Delete (Inherited)
Gtk.Widget.On_Drag_Data_Delete (Inherited)
Gtk.Widget.On_Drag_Data_Get (Inherited)
Gtk.Widget.On_Drag_Data_Get (Inherited)
Gtk.Widget.On_Drag_Data_Received (Inherited)
Gtk.Widget.On_Drag_Data_Received (Inherited)
Gtk.Widget.On_Drag_Drop (Inherited)
Gtk.Widget.On_Drag_Drop (Inherited)
Gtk.Widget.On_Drag_End (Inherited)
Gtk.Widget.On_Drag_End (Inherited)
Gtk.Widget.On_Drag_Failed (Inherited)
Gtk.Widget.On_Drag_Failed (Inherited)
Gtk.Widget.On_Drag_Leave (Inherited)
Gtk.Widget.On_Drag_Leave (Inherited)
Gtk.Widget.On_Drag_Motion (Inherited)
Gtk.Widget.On_Drag_Motion (Inherited)
Gtk.Widget.On_Draw (Inherited)
Gtk.Widget.On_Draw (Inherited)
Gtk.Widget.On_Enter_Notify_Event (Inherited)
Gtk.Widget.On_Enter_Notify_Event (Inherited)
Gtk.Widget.On_Event (Inherited)
Gtk.Widget.On_Event (Inherited)
Gtk.Widget.On_Event_After (Inherited)
Gtk.Widget.On_Event_After (Inherited)
Gtk.Widget.On_Focus (Inherited)
Gtk.Widget.On_Focus (Inherited)
Gtk.Widget.On_Focus_In_Event (Inherited)
Gtk.Widget.On_Focus_In_Event (Inherited)
Gtk.Widget.On_Focus_Out_Event (Inherited)
Gtk.Widget.On_Focus_Out_Event (Inherited)
Gtk.Widget.On_Grab_Broken_Event (Inherited)
Gtk.Widget.On_Grab_Broken_Event (Inherited)
Gtk.Widget.On_Grab_Focus (Inherited)
Gtk.Widget.On_Grab_Focus (Inherited)
Gtk.Widget.On_Grab_Notify (Inherited)
Gtk.Widget.On_Grab_Notify (Inherited)
Gtk.Widget.On_Hide (Inherited)
Gtk.Widget.On_Hide (Inherited)
Gtk.Widget.On_Hierarchy_Changed (Inherited)
Gtk.Widget.On_Hierarchy_Changed (Inherited)
Gtk.Widget.On_Key_Press_Event (Inherited)
Gtk.Widget.On_Key_Press_Event (Inherited)
Gtk.Widget.On_Key_Release_Event (Inherited)
Gtk.Widget.On_Key_Release_Event (Inherited)
Gtk.Widget.On_Keynav_Failed (Inherited)
Gtk.Widget.On_Keynav_Failed (Inherited)
Gtk.Widget.On_Leave_Notify_Event (Inherited)
Gtk.Widget.On_Leave_Notify_Event (Inherited)
Gtk.Widget.On_Map (Inherited)
Gtk.Widget.On_Map (Inherited)
Gtk.Widget.On_Map_Event (Inherited)
Gtk.Widget.On_Map_Event (Inherited)
Gtk.Widget.On_Mnemonic_Activate (Inherited)
Gtk.Widget.On_Mnemonic_Activate (Inherited)
Gtk.Widget.On_Motion_Notify_Event (Inherited)
Gtk.Widget.On_Motion_Notify_Event (Inherited)
Gtk.Widget.On_Move_Focus (Inherited)
Gtk.Widget.On_Move_Focus (Inherited)
Gtk.Widget.On_Parent_Set (Inherited)
Gtk.Widget.On_Parent_Set (Inherited)
Gtk.Widget.On_Popup_Menu (Inherited)
Gtk.Widget.On_Popup_Menu (Inherited)
Gtk.Widget.On_Property_Notify_Event (Inherited)
Gtk.Widget.On_Property_Notify_Event (Inherited)
Gtk.Widget.On_Proximity_In_Event (Inherited)
Gtk.Widget.On_Proximity_In_Event (Inherited)
Gtk.Widget.On_Proximity_Out_Event (Inherited)
Gtk.Widget.On_Proximity_Out_Event (Inherited)
Gtk.Widget.On_Query_Tooltip (Inherited)
Gtk.Widget.On_Query_Tooltip (Inherited)
Gtk.Widget.On_Realize (Inherited)
Gtk.Widget.On_Realize (Inherited)
Gtk.Widget.On_Screen_Changed (Inherited)
Gtk.Widget.On_Screen_Changed (Inherited)
Gtk.Widget.On_Scroll_Event (Inherited)
Gtk.Widget.On_Scroll_Event (Inherited)
Gtk.Widget.On_Selection_Clear_Event (Inherited)
Gtk.Widget.On_Selection_Clear_Event (Inherited)
Gtk.Widget.On_Selection_Get (Inherited)
Gtk.Widget.On_Selection_Get (Inherited)
Gtk.Widget.On_Selection_Notify_Event (Inherited)
Gtk.Widget.On_Selection_Notify_Event (Inherited)
Gtk.Widget.On_Selection_Received (Inherited)
Gtk.Widget.On_Selection_Received (Inherited)
Gtk.Widget.On_Selection_Request_Event (Inherited)
Gtk.Widget.On_Selection_Request_Event (Inherited)
Gtk.Widget.On_Show (Inherited)
Gtk.Widget.On_Show (Inherited)
Gtk.Widget.On_Show_Help (Inherited)
Gtk.Widget.On_Show_Help (Inherited)
Gtk.Widget.On_Size_Allocate (Inherited)
Gtk.Widget.On_Size_Allocate (Inherited)
Gtk.Widget.On_State_Changed (Inherited)
Gtk.Widget.On_State_Changed (Inherited)
Gtk.Widget.On_State_Flags_Changed (Inherited)
Gtk.Widget.On_State_Flags_Changed (Inherited)
Gtk.Widget.On_Style_Set (Inherited)
Gtk.Widget.On_Style_Set (Inherited)
Gtk.Widget.On_Style_Updated (Inherited)
Gtk.Widget.On_Style_Updated (Inherited)
Gtk.Widget.On_Touch_Event (Inherited)
Gtk.Widget.On_Touch_Event (Inherited)
Gtk.Widget.On_Unmap (Inherited)
Gtk.Widget.On_Unmap (Inherited)
Gtk.Widget.On_Unmap_Event (Inherited)
Gtk.Widget.On_Unmap_Event (Inherited)
Gtk.Widget.On_Unrealize (Inherited)
Gtk.Widget.On_Unrealize (Inherited)
Gtk.Widget.On_Visibility_Notify_Event (Inherited)
Gtk.Widget.On_Visibility_Notify_Event (Inherited)
Gtk.Widget.On_Window_State_Event (Inherited)
Gtk.Widget.On_Window_State_Event (Inherited)
Gtk.Widget.Override_Background_Color (Inherited)
Gtk.Widget.Override_Color (Inherited)
Gtk.Widget.Override_Cursor (Inherited)
Gtk.Widget.Override_Font (Inherited)
Gtk.Widget.Override_Symbolic_Color (Inherited)
Gtk.Widget.Queue_Compute_Expand (Inherited)
Gtk.Widget.Queue_Draw (Inherited)
Gtk.Widget.Queue_Draw_Area (Inherited)
Gtk.Widget.Queue_Draw_Region (Inherited)
Gtk.Widget.Queue_Resize (Inherited)
Gtk.Widget.Queue_Resize_No_Redraw (Inherited)
Gtk.Widget.Realize (Inherited)
Gtk.Widget.Region_Intersect (Inherited)
Gtk.Widget.Register_Window (Inherited)
Gtk.Widget.Remove_Accelerator (Inherited)
Gtk.Widget.Remove_Mnemonic_Label (Inherited)
Gtk.Widget.Remove_Tick_Callback (Inherited)
Gtk.Widget.Render_Icon (Inherited)
Gtk.Widget.Render_Icon_Pixbuf (Inherited)
Gtk.Widget.Reparent (Inherited)
Gtk.Widget.Reset_Rc_Styles (Inherited)
Gtk.Widget.Reset_Style (Inherited)
Gtk.Widget.Send_Expose (Inherited)
Gtk.Widget.Send_Focus_Change (Inherited)
Gtk.Widget.Set_Accel_Path (Inherited)
Gtk.Widget.Set_Allocation (Inherited)
Gtk.Widget.Set_App_Paintable (Inherited)
Gtk.Widget.Set_Can_Default (Inherited)
Gtk.Widget.Set_Can_Focus (Inherited)
Gtk.Widget.Set_Child_Visible (Inherited)
Gtk.Widget.Set_Composite_Name (Inherited)
Gtk.Widget.Set_Device_Enabled (Inherited)
Gtk.Widget.Set_Device_Events (Inherited)
Gtk.Widget.Set_Direction (Inherited)
Gtk.Widget.Set_Double_Buffered (Inherited)
Gtk.Widget.Set_Events (Inherited)
Gtk.Widget.Set_Halign (Inherited)
Gtk.Widget.Set_Has_Tooltip (Inherited)
Gtk.Widget.Set_Has_Window (Inherited)
Gtk.Widget.Set_Hexpand (Inherited)
Gtk.Widget.Set_Hexpand_Set (Inherited)
Gtk.Widget.Set_Mapped (Inherited)
Gtk.Widget.Set_Margin_Bottom (Inherited)
Gtk.Widget.Set_Margin_Left (Inherited)
Gtk.Widget.Set_Margin_Right (Inherited)
Gtk.Widget.Set_Margin_Top (Inherited)
Gtk.Widget.Set_Name (Inherited)
Gtk.Widget.Set_No_Show_All (Inherited)
Gtk.Widget.Set_Opacity (Inherited)
Gtk.Widget.Set_Parent (Inherited)
Gtk.Widget.Set_Parent_Window (Inherited)
Gtk.Widget.Set_Realized (Inherited)
Gtk.Widget.Set_Receives_Default (Inherited)
Gtk.Widget.Set_Redraw_On_Allocate (Inherited)
Gtk.Widget.Set_Sensitive (Inherited)
Gtk.Widget.Set_Size_Request (Inherited)
Gtk.Widget.Set_State (Inherited)
Gtk.Widget.Set_State_Flags (Inherited)
Gtk.Widget.Set_Style (Inherited)
Gtk.Widget.Set_Support_Multidevice (Inherited)
Gtk.Widget.Set_Tooltip_Markup (Inherited)
Gtk.Widget.Set_Tooltip_Text (Inherited)
Gtk.Widget.Set_Tooltip_Window (Inherited)
Gtk.Widget.Set_Valign (Inherited)
Gtk.Widget.Set_Vexpand (Inherited)
Gtk.Widget.Set_Vexpand_Set (Inherited)
Gtk.Widget.Set_Visible (Inherited)
Gtk.Widget.Set_Visual (Inherited)
Gtk.Widget.Set_Window (Inherited)
Gtk.Widget.Shape_Combine_Region (Inherited)
Gtk.Widget.Show (Inherited)
Gtk.Widget.Show_All (Inherited)
Gtk.Widget.Show_Now (Inherited)
Gtk.Widget.Size_Allocate (Inherited)
Gtk.Widget.Size_Request (Inherited)
Gtk.Widget.Style_Attach (Inherited)
Gtk.Widget.Style_Get_Property (Inherited)
Gtk.Widget.Thaw_Child_Notify (Inherited)
Gtk.Widget.Translate_Coordinates (Inherited)
Gtk.Widget.Trigger_Tooltip_Query (Inherited)
Gtk.Widget.Unmap (Inherited)
Gtk.Widget.Unparent (Inherited)
Gtk.Widget.Unrealize (Inherited)
Gtk.Widget.Unregister_Window (Inherited)
Gtk.Widget.Unset_State_Flags (Inherited)
On_Get_Child_Position
On_Get_Child_Position

Types

Gtk_Overlay

type Gtk_Overlay is access all Gtk_Overlay_Record'Class;

Cb_Gtk_Overlay_Gtk_Widget_Cairo_Rectangle_Int_Boolean

type Cb_Gtk_Overlay_Gtk_Widget_Cairo_Rectangle_Int_Boolean is not null access function
     (Self       : access Gtk_Overlay_Record'Class;
      Widget     : not null access Gtk.Widget.Gtk_Widget_Record'Class;
      Allocation : access Cairo.Region.Cairo_Rectangle_Int)
   return Boolean;

Cb_GObject_Gtk_Widget_Cairo_Rectangle_Int_Boolean

type Cb_GObject_Gtk_Widget_Cairo_Rectangle_Int_Boolean is not null access function
     (Self       : access Glib.Object.GObject_Record'Class;
      Widget     : not null access Gtk.Widget.Gtk_Widget_Record'Class;
      Allocation : access Cairo.Region.Cairo_Rectangle_Int)
   return Boolean;

Constants & Global variables

Signal_Get_Child_Position (Glib.Signal_Name)

Signal_Get_Child_Position : constant Glib.Signal_Name := "get-child-position";

Subprograms & Entries

Gtk_New

procedure Gtk_New 
(Self: out Gtk_Overlay);

Initialize

procedure Initialize 
(Self: not null access Gtk_Overlay_Record'Class);
Creates a new Gtk.Overlay.Gtk_Overlay. Since: gtk+ 3.2

Gtk_Overlay_New

function Gtk_Overlay_New return Gtk_Overlay;
Creates a new Gtk.Overlay.Gtk_Overlay. Since: gtk+ 3.2

Get_Type

function Get_Type return Glib.GType;

Add_Overlay

procedure Add_Overlay 
(Self: not null access Gtk_Overlay_Record;
Widget: not null access Gtk.Widget.Gtk_Widget_Record'Class);
Adds Widget to Overlay. The widget will be stacked on top of the main widget added with Gtk.Container.Add. The position at which Widget is placed is determined from its Gtk.Widget.Gtk_Widget:halign and Gtk.Widget.Gtk_Widget:valign properties. Since: gtk+ 3.2 "widget": a Gtk.Widget.Gtk_Widget to be added to the container

On_Get_Child_Position

procedure On_Get_Child_Position 
(Self: not null access Gtk_Overlay_Record;
Call: Cb_Gtk_Overlay_Gtk_Widget_Cairo_Rectangle_Int_Boolean;
After: Boolean := False);

On_Get_Child_Position

procedure On_Get_Child_Position 
(Self: not null access Gtk_Overlay_Record;
Call: Cb_GObject_Gtk_Widget_Cairo_Rectangle_Int_Boolean;
Slot: not null access Glib.Object.GObject_Record'Class;
After: Boolean := False);
The ::get-child-position signal is emitted to determine the position and size of any overlay child widgets. A handler for this signal should fill Allocation with the desired position and size for Widget, relative to the 'main' child of Overlay. The default handler for this signal uses the Widget's halign and valign properties to determine the position and gives the widget its natural size (except that an alignment of Gtk.Widget.Align_Fill will cause the overlay to be full-width/height). If the main child is a Gtk.Scrolled_Window.Gtk_Scrolled_Window, the overlays are placed relative to its contents. Return: True if the Allocation has been filled Callback parameters: -- "widget": the child widget to position -- "allocation": return location for the allocation