-- Programmed by Jedidiah Barber -- Released into the public domain with Interfaces.C, System.Address_To_Access_Conversions; use type Interfaces.C.int; package body FLTK.Widgets.Groups.Windows.Double.Overlay is ------------------------ -- Functions From C -- ------------------------ function new_fl_overlay_window (X, Y, W, H : in Interfaces.C.int; Text : in Interfaces.C.char_array) return Storage.Integer_Address; pragma Import (C, new_fl_overlay_window, "new_fl_overlay_window"); pragma Inline (new_fl_overlay_window); function new_fl_overlay_window2 (W, H : in Interfaces.C.int; Text : in Interfaces.C.char_array) return Storage.Integer_Address; pragma Import (C, new_fl_overlay_window2, "new_fl_overlay_window2"); pragma Inline (new_fl_overlay_window2); procedure free_fl_overlay_window (S : in Storage.Integer_Address); pragma Import (C, free_fl_overlay_window, "free_fl_overlay_window"); pragma Inline (free_fl_overlay_window); procedure fl_overlay_window_show (W : in Storage.Integer_Address); pragma Import (C, fl_overlay_window_show, "fl_overlay_window_show"); pragma Inline (fl_overlay_window_show); procedure fl_overlay_window_hide (W : in Storage.Integer_Address); pragma Import (C, fl_overlay_window_hide, "fl_overlay_window_hide"); pragma Inline (fl_overlay_window_hide); procedure fl_overlay_window_flush (W : in Storage.Integer_Address); pragma Import (C, fl_overlay_window_flush, "fl_overlay_window_flush"); pragma Inline (fl_overlay_window_flush); function fl_overlay_window_can_do_overlay (W : in Storage.Integer_Address) return Interfaces.C.int; pragma Import (C, fl_overlay_window_can_do_overlay, "fl_overlay_window_can_do_overlay"); pragma Inline (fl_overlay_window_can_do_overlay); procedure fl_overlay_window_resize (OW : in Storage.Integer_Address; X, Y, W, H : in Interfaces.C.int); pragma Import (C, fl_overlay_window_resize, "fl_overlay_window_resize"); pragma Inline (fl_overlay_window_resize); procedure fl_overlay_window_draw (W : in Storage.Integer_Address); pragma Import (C, fl_overlay_window_draw, "fl_overlay_window_draw"); pragma Inline (fl_overlay_window_draw); procedure fl_overlay_window_redraw_overlay (W : in Storage.Integer_Address); pragma Import (C, fl_overlay_window_redraw_overlay, "fl_overlay_window_redraw_overlay"); pragma Inline (fl_overlay_window_redraw_overlay); function fl_overlay_window_handle (W : in Storage.Integer_Address; E : in Interfaces.C.int) return Interfaces.C.int; pragma Import (C, fl_overlay_window_handle, "fl_overlay_window_handle"); pragma Inline (fl_overlay_window_handle); ---------------------- -- Exported Hooks -- ---------------------- package Over_Convert is new System.Address_To_Access_Conversions (Overlay_Window'Class); procedure Overlay_Window_Draw_Overlay_Hook (U : in Storage.Integer_Address); pragma Export (C, Overlay_Window_Draw_Overlay_Hook, "overlay_window_draw_overlay_hook"); procedure Overlay_Window_Draw_Overlay_Hook (U : in Storage.Integer_Address) is Overlay_Widget : access Overlay_Window'Class := Over_Convert.To_Pointer (Storage.To_Address (U)); begin Overlay_Widget.Draw_Overlay; end Overlay_Window_Draw_Overlay_Hook; ------------------- -- Destructors -- ------------------- procedure Extra_Final (This : in out Overlay_Window) is begin Extra_Final (Double_Window (This)); end Extra_Final; procedure Finalize (This : in out Overlay_Window) is begin Extra_Final (This); if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then free_fl_overlay_window (This.Void_Ptr); This.Void_Ptr := Null_Pointer; end if; end Finalize; -------------------- -- Constructors -- -------------------- procedure Extra_Init (This : in out Overlay_Window; X, Y, W, H : in Integer; Text : in String) is begin Extra_Init (Double_Window (This), X, Y, W, H, Text); end Extra_Init; procedure Initialize (This : in out Overlay_Window) is begin This.Draw_Ptr := fl_overlay_window_draw'Address; This.Handle_Ptr := fl_overlay_window_handle'Address; end Initialize; package body Forge is function Create (X, Y, W, H : in Integer; Text : in String := "") return Overlay_Window is begin return This : Overlay_Window do This.Void_Ptr := new_fl_overlay_window (Interfaces.C.int (X), Interfaces.C.int (Y), Interfaces.C.int (W), Interfaces.C.int (H), Interfaces.C.To_C (Text)); Extra_Init (This, X, Y, W, H, Text); end return; end Create; function Create (W, H : in Integer; Text : in String := "") return Overlay_Window is begin return This : Overlay_Window do This.Void_Ptr := new_fl_overlay_window2 (Interfaces.C.int (W), Interfaces.C.int (H), Interfaces.C.To_C (Text)); Extra_Init (This, This.Get_X, This.Get_Y, W, H, Text); end return; end Create; end Forge; --------------- -- Display -- --------------- procedure Show (This : in out Overlay_Window) is begin fl_overlay_window_show (This.Void_Ptr); end Show; procedure Hide (This : in out Overlay_Window) is begin fl_overlay_window_hide (This.Void_Ptr); end Hide; procedure Flush (This : in out Overlay_Window) is begin fl_overlay_window_flush (This.Void_Ptr); end Flush; ------------- -- Other -- ------------- function Can_Do_Overlay (This : in Overlay_Window) return Boolean is begin return fl_overlay_window_can_do_overlay (This.Void_Ptr) /= 0; end Can_Do_Overlay; procedure Resize (This : in out Overlay_Window; X, Y, W, H : in Integer) is begin fl_overlay_window_resize (This.Void_Ptr, Interfaces.C.int (X), Interfaces.C.int (Y), Interfaces.C.int (W), Interfaces.C.int (H)); end Resize; ---------------------------------- -- Drawing and Event Handling -- ---------------------------------- procedure Draw_Overlay (This : in out Overlay_Window) is begin raise Program_Error with "You must override Draw_Overlay"; end Draw_Overlay; procedure Redraw_Overlay (This : in out Overlay_Window) is begin fl_overlay_window_redraw_overlay (This.Void_Ptr); end Redraw_Overlay; end FLTK.Widgets.Groups.Windows.Double.Overlay;