src/displays.ads


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--  Programmed by Jedidiah Barber
--  Licensed under the Sunset License v1.0

--  See license.txt for further details


with

    FLTK.Widgets.Groups.Windows.Double,
    Grids;

private with

    FLTK.Widgets.Boxes;


package Displays is


    type Display is new FLTK.Widgets.Groups.Windows.Double.Double_Window with private;


    type Keyboard_Callback is access function
           (Key : in FLTK.Key_Combo)
        return FLTK.Event_Outcome;

    type Mouse_Callback is access function
           (X, Y : in Integer)
        return FLTK.Event_Outcome;


    function Create
           (X, Y, W, H : in Integer;
            Text       : in String)
        return Display;

    function Create
           (W, H : in Integer)
        return Display;

    function Create
        return Display;


    procedure Set_Grid
           (This : in out Display;
            To   : in out Grids.Grid);

    procedure Adjust_Grid
           (This       : in out Display;
            Cols, Rows : in     Natural);

    procedure Ensure_Correct_Size
           (This : in out Display);

    procedure Centre_On_Screen
           (This : in out Display);


    procedure Set_Message
           (This : in out Display;
            Msg  : in     String);

    procedure Set_Level_Number
           (This : in out Display;
            To   : in     Natural);

    procedure Set_Move_Number
           (This : in out Display;
            To   : in     Natural);


    procedure Set_Keyboard_Callback
           (This : in out Display;
            Func : in     Keyboard_Callback);

    procedure Set_Mouse_Callback
           (This : in out Display;
            Func : in     Mouse_Callback);


    function Handle
           (This  : in out Display;
            Event : in     FLTK.Event_Kind)
        return FLTK.Event_Outcome;


private


    type Display is new FLTK.Widgets.Groups.Windows.Double.Double_Window with record
        Message_Box  : FLTK.Widgets.Boxes.Box;
        Level_Box    : FLTK.Widgets.Boxes.Box;
        Move_Box     : FLTK.Widgets.Boxes.Box;
        Current_Grid : access Grids.Grid;
        Key_Func     : Keyboard_Callback;
        Mouse_Func   : Mouse_Callback;
    end record;


    Text_Size : constant FLTK.Font_Size := 12;

    Message_Box_Width  : constant Integer := 440;
    Message_Box_Height : constant Integer := 80;

    Stat_Box_Width  : constant Integer := Message_Box_Width / 2;
    Stat_Box_Height : constant Integer := 20;


end Displays;