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with Ada.Finalization;
private with Interfaces.C;
private with System;
package FLTK is
function Run return Integer;
-- ugly implementation detail, never use this
-- just ignore the hand moving behind the curtain
-- (this is necessary so things like text_buffers and
-- widgets can talk to each other behind the binding)
type Wrapper is abstract new Ada.Finalization.Limited_Controlled with private;
type Color is new Natural;
type Alignment is new Natural;
type Shortcut_Key is private;
subtype Pressable_Key is Character range Character'Val (32) .. Character'Val (126);
function Shortcut (Key : Pressable_Key) return Shortcut_Key;
No_Key : constant Shortcut_Key;
type Modifier_Key is private;
function "+" (Left, Right : in Modifier_Key) return Modifier_Key;
function "+" (Left : in Modifier_Key; Right : in Pressable_Key) return Shortcut_Key;
function "+" (Left : in Modifier_Key; Right : in Shortcut_Key) return Shortcut_Key;
Mod_None : constant Modifier_Key;
Mod_Shift : constant Modifier_Key;
Mod_Ctrl : constant Modifier_Key;
Mod_Alt : constant Modifier_Key;
type Box_Kind is
(No_Box,
Flat_Box,
Up_Box,
Down_Box,
Up_Frame,
Down_Frame,
Thin_Up_Box,
Thin_Down_Box,
Thin_Up_Frame,
Thin_Down_Frame,
Engraved_Box,
Embossed_Box,
Engraved_Frame,
Embossed_Frame,
Border_Box,
Shadow_Box,
Border_Frame,
Shadow_Frame,
Rounded_Box,
RShadow_Box,
Rounded_Frame,
RFlat_Box,
Round_Up_Box,
Round_Down_Box,
Diamond_Up_Box,
Diamond_Down_Box,
Oval_Box,
OShadow_Box,
Oval_Frame,
OFlat_Box,
Plastic_Up_Box,
Plastic_Down_Box,
Plastic_Up_Frame,
Plastic_Down_Frame,
Plastic_Thin_Up_Box,
Plastic_Thin_Down_Box,
Plastic_Round_Up_Box,
Plastic_Round_Down_Box,
Gtk_Up_Box,
Gtk_Down_Box,
Gtk_Up_Frame,
Gtk_Down_Frame,
Gtk_Thin_Up_Box,
Gtk_Thin_Down_Box,
Gtk_Thin_Up_Frame,
Gtk_Thin_Down_Frame,
Gtk_Round_Up_Box,
Gtk_Round_Down_Box,
Gleam_Up_Box,
Gleam_Down_Box,
Gleam_Up_Frame,
Gleam_Down_Frame,
Gleam_Thin_Up_Box,
Gleam_Thin_Down_Box,
Gleam_Round_Up_Box,
Gleam_Round_Down_Box,
Free_Box);
type Font_Kind is
(Helvetica,
Helvetica_Bold,
Helvetica_Italic,
Helvetica_Bold_Italic,
Courier,
Courier_Bold,
Courier_Italic,
Courier_Bold_Italic,
Times,
Times_Bold,
Times_Italic,
Times_Bold_Italic,
Symbol,
Screen,
Screen_Bold,
Zapf_Dingbats,
Free_Font);
type Label_Kind is
(Normal_Label,
No_Label,
Shadow_Label,
Engraved_Label,
Embossed_Label,
Multi_Label,
Icon_Label,
Image_Label,
Free_Label);
type Event_Kind is
(No_Event,
Push,
Release,
Enter,
Leave,
Drag,
Focus,
Unfocus,
Keydown,
Keyup,
Close,
Move,
Shortcut,
Deactivate,
Activate,
Hide,
Show,
Paste,
Selection_Clear,
Mouse_Wheel,
DnD_Enter,
DnD_Drag,
DnD_Leave,
DnD_Release,
Screen_Config_Changed,
Fullscreen);
private
function Has_Valid_Ptr
(This : in Wrapper)
return Boolean;
type Wrapper is abstract new Ada.Finalization.Limited_Controlled with
record
Void_Ptr : System.Address;
end record;
-- with Type_Invariant => Has_Valid_Ptr (Wrapper);
-- unsure if the above invariant is doing what I'm after
-- oh well, something to work on
overriding procedure Initialize
(This : in out Wrapper);
type Modifier_Key is new Interfaces.Unsigned_8;
type Shortcut_Key is
record
Modifier : Modifier_Key;
Keypress : Character;
end record;
function Key_To_C
(Key : Shortcut_Key)
return Interfaces.C.unsigned_long;
-- these values designed to align with FLTK enumeration types
Mod_None : constant Modifier_Key := 2#00000000#;
Mod_Shift : constant Modifier_Key := 2#00000001#;
Mod_Ctrl : constant Modifier_Key := 2#00000100#;
Mod_Alt : constant Modifier_Key := 2#00001000#;
No_Key : constant Shortcut_Key :=
(Modifier => Mod_None, Keypress => Character'Val (0));
end FLTK;
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