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with
Ada.Finalization;
private with
Interfaces.C,
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 Color_Component is mod 256;
No_Color : constant Color;
type Alignment is private;
Align_Center : constant Alignment;
Align_Top : constant Alignment;
Align_Bottom : constant Alignment;
Align_Left : constant Alignment;
Align_Right : constant Alignment;
type Keypress is private;
subtype Pressable_Key is Character range Character'Val (32) .. Character'Val (126);
function Press (Key : in Pressable_Key) return Keypress;
Enter_Key : constant Keypress;
Keypad_Enter_Key : constant Keypress;
Backspace_Key : constant Keypress;
Insert_Key : constant Keypress;
Delete_Key : constant Keypress;
Home_Key : constant Keypress;
End_Key : constant Keypress;
Page_Down_Key : constant Keypress;
Page_Up_Key : constant Keypress;
Down_Key : constant Keypress;
Left_Key : constant Keypress;
Right_Key : constant Keypress;
Up_Key : constant Keypress;
Escape_Key : constant Keypress;
type Mouse_Button is (No_Button, Left_Button, Middle_Button, Right_Button);
type Key_Combo is private;
function Press (Key : in Pressable_Key) return Key_Combo;
function Press (Key : in Keypress) return Key_Combo;
function Press (Key : in Mouse_Button) return Key_Combo;
No_Key : constant Key_Combo;
type Modifier is private;
function "+" (Left, Right : in Modifier) return Modifier;
function "+" (Left : in Modifier; Right : in Pressable_Key) return Key_Combo;
function "+" (Left : in Modifier; Right : in Keypress) return Key_Combo;
function "+" (Left : in Modifier; Right : in Mouse_Button) return Key_Combo;
function "+" (Left : in Modifier; Right : in Key_Combo) return Key_Combo;
Mod_None : constant Modifier;
Mod_Shift : constant Modifier;
Mod_Ctrl : constant Modifier;
Mod_Alt : constant Modifier;
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,
Monospace,
Monospace_Bold,
Zapf_Dingbats,
Free_Font);
type Font_Size is new Natural;
Normal_Size : constant Font_Size := 14;
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);
type Event_Outcome is (Not_Handled, Handled);
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;
Needs_Dealloc : Boolean := True;
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);
No_Color : constant Color := 0;
type Alignment is new Interfaces.Unsigned_16;
Align_Center : constant Alignment := 0;
Align_Top : constant Alignment := 1;
Align_Bottom : constant Alignment := 2;
Align_Left : constant Alignment := 4;
Align_Right : constant Alignment := 8;
type Keypress is new Interfaces.Unsigned_16;
type Modifier is new Interfaces.Unsigned_16;
type Key_Combo is
record
Modcode : Modifier;
Keycode : Keypress;
Mousecode : Mouse_Button;
end record;
function To_C
(Key : in Key_Combo)
return Interfaces.C.unsigned_long;
function To_Ada
(Key : in Interfaces.C.unsigned_long)
return Key_Combo;
function To_C
(Key : in Keypress)
return Interfaces.C.unsigned_long;
function To_Ada
(Key : in Interfaces.C.unsigned_long)
return Keypress;
function To_C
(Modi : in Modifier)
return Interfaces.C.unsigned_long;
function To_Ada
(Modi : in Interfaces.C.unsigned_long)
return Modifier;
function To_C
(Button : in Mouse_Button)
return Interfaces.C.unsigned_long;
function To_Ada
(Button : in Interfaces.C.unsigned_long)
return Mouse_Button;
-- these values designed to align with FLTK enumeration types
Mod_None : constant Modifier := 2#00000000#;
Mod_Shift : constant Modifier := 2#00000001#;
Mod_Ctrl : constant Modifier := 2#00000100#;
Mod_Alt : constant Modifier := 2#00001000#;
No_Key : constant Key_Combo := (Modcode => Mod_None, Keycode => 0, Mousecode => No_Button);
-- these values correspond to constants defined in FLTK Enumerations.H
Enter_Key : constant Keypress := 16#ff0d#;
Keypad_Enter_Key : constant Keypress := 16#ff8d#;
Backspace_Key : constant Keypress := 16#ff08#;
Insert_Key : constant Keypress := 16#ff63#;
Delete_Key : constant Keypress := 16#ffff#;
Home_Key : constant Keypress := 16#ff50#;
End_Key : constant Keypress := 16#ff57#;
Page_Down_Key : constant Keypress := 16#ff56#;
Page_Up_Key : constant Keypress := 16#ff55#;
Down_Key : constant Keypress := 16#ff54#;
Left_Key : constant Keypress := 16#ff51#;
Right_Key : constant Keypress := 16#ff53#;
Up_Key : constant Keypress := 16#ff52#;
Escape_Key : constant Keypress := 16#ff1b#;
end FLTK;
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