/usr/share/ada/adainclude/ncursesada/terminal_interface-curses.adb is in libncursesada5-dev 6.0.20170708-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- --
-- GNAT ncurses Binding --
-- --
-- Terminal_Interface.Curses --
-- --
-- B O D Y --
-- --
------------------------------------------------------------------------------
-- Copyright (c) 1998-2011,2014 Free Software Foundation, Inc. --
-- --
-- Permission is hereby granted, free of charge, to any person obtaining a --
-- copy of this software and associated documentation files (the --
-- "Software"), to deal in the Software without restriction, including --
-- without limitation the rights to use, copy, modify, merge, publish, --
-- distribute, distribute with modifications, sublicense, and/or sell --
-- copies of the Software, and to permit persons to whom the Software is --
-- furnished to do so, subject to the following conditions: --
-- --
-- The above copyright notice and this permission notice shall be included --
-- in all copies or substantial portions of the Software. --
-- --
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS --
-- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF --
-- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. --
-- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, --
-- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR --
-- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR --
-- THE USE OR OTHER DEALINGS IN THE SOFTWARE. --
-- --
-- Except as contained in this notice, the name(s) of the above copyright --
-- holders shall not be used in advertising or otherwise to promote the --
-- sale, use or other dealings in this Software without prior written --
-- authorization. --
------------------------------------------------------------------------------
-- Author: Juergen Pfeifer, 1996
-- Version Control:
-- $Revision: 1.14 $
-- $Date: 2014/05/24 21:31:05 $
-- Binding Version 01.00
------------------------------------------------------------------------------
with System;
with Terminal_Interface.Curses.Aux;
with Interfaces.C; use Interfaces.C;
with Interfaces.C.Strings; use Interfaces.C.Strings;
with Ada.Characters.Handling; use Ada.Characters.Handling;
with Ada.Strings.Fixed;
package body Terminal_Interface.Curses is
use Aux;
use type System.Bit_Order;
package ASF renames Ada.Strings.Fixed;
type chtype_array is array (size_t range <>)
of aliased Attributed_Character;
pragma Convention (C, chtype_array);
------------------------------------------------------------------------------
function Key_Name (Key : Real_Key_Code) return String
is
function Keyname (K : C_Int) return chars_ptr;
pragma Import (C, Keyname, "keyname");
Ch : Character;
begin
if Key <= Character'Pos (Character'Last) then
Ch := Character'Val (Key);
if Is_Control (Ch) then
return Un_Control (Attributed_Character'(Ch => Ch,
Color => Color_Pair'First,
Attr => Normal_Video));
elsif Is_Graphic (Ch) then
declare
S : String (1 .. 1);
begin
S (1) := Ch;
return S;
end;
else
return "";
end if;
else
return Fill_String (Keyname (C_Int (Key)));
end if;
end Key_Name;
procedure Key_Name (Key : Real_Key_Code;
Name : out String)
is
begin
ASF.Move (Key_Name (Key), Name);
end Key_Name;
------------------------------------------------------------------------------
procedure Init_Screen
is
function Initscr return Window;
pragma Import (C, Initscr, "initscr");
W : Window;
begin
W := Initscr;
if W = Null_Window then
raise Curses_Exception;
end if;
end Init_Screen;
procedure End_Windows
is
function Endwin return C_Int;
pragma Import (C, Endwin, "endwin");
begin
if Endwin = Curses_Err then
raise Curses_Exception;
end if;
end End_Windows;
function Is_End_Window return Boolean
is
function Isendwin return Curses_Bool;
pragma Import (C, Isendwin, "isendwin");
begin
if Isendwin = Curses_Bool_False then
return False;
else
return True;
end if;
end Is_End_Window;
------------------------------------------------------------------------------
procedure Move_Cursor (Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position)
is
function Wmove (Win : Window;
Line : C_Int;
Column : C_Int
) return C_Int;
pragma Import (C, Wmove, "wmove");
begin
if Wmove (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
raise Curses_Exception;
end if;
end Move_Cursor;
------------------------------------------------------------------------------
procedure Add (Win : Window := Standard_Window;
Ch : Attributed_Character)
is
function Waddch (W : Window;
Ch : Attributed_Character) return C_Int;
pragma Import (C, Waddch, "waddch");
begin
if Waddch (Win, Ch) = Curses_Err then
raise Curses_Exception;
end if;
end Add;
procedure Add (Win : Window := Standard_Window;
Ch : Character)
is
begin
Add (Win,
Attributed_Character'(Ch => Ch,
Color => Color_Pair'First,
Attr => Normal_Video));
end Add;
procedure Add
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Ch : Attributed_Character)
is
function mvwaddch (W : Window;
Y : C_Int;
X : C_Int;
Ch : Attributed_Character) return C_Int;
pragma Import (C, mvwaddch, "mvwaddch");
begin
if mvwaddch (Win, C_Int (Line),
C_Int (Column),
Ch) = Curses_Err
then
raise Curses_Exception;
end if;
end Add;
procedure Add
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Ch : Character)
is
begin
Add (Win,
Line,
Column,
Attributed_Character'(Ch => Ch,
Color => Color_Pair'First,
Attr => Normal_Video));
end Add;
procedure Add_With_Immediate_Echo
(Win : Window := Standard_Window;
Ch : Attributed_Character)
is
function Wechochar (W : Window;
Ch : Attributed_Character) return C_Int;
pragma Import (C, Wechochar, "wechochar");
begin
if Wechochar (Win, Ch) = Curses_Err then
raise Curses_Exception;
end if;
end Add_With_Immediate_Echo;
procedure Add_With_Immediate_Echo
(Win : Window := Standard_Window;
Ch : Character)
is
begin
Add_With_Immediate_Echo
(Win,
Attributed_Character'(Ch => Ch,
Color => Color_Pair'First,
Attr => Normal_Video));
end Add_With_Immediate_Echo;
------------------------------------------------------------------------------
function Create (Number_Of_Lines : Line_Count;
Number_Of_Columns : Column_Count;
First_Line_Position : Line_Position;
First_Column_Position : Column_Position) return Window
is
function Newwin (Number_Of_Lines : C_Int;
Number_Of_Columns : C_Int;
First_Line_Position : C_Int;
First_Column_Position : C_Int) return Window;
pragma Import (C, Newwin, "newwin");
W : Window;
begin
W := Newwin (C_Int (Number_Of_Lines),
C_Int (Number_Of_Columns),
C_Int (First_Line_Position),
C_Int (First_Column_Position));
if W = Null_Window then
raise Curses_Exception;
end if;
return W;
end Create;
procedure Delete (Win : in out Window)
is
function Wdelwin (W : Window) return C_Int;
pragma Import (C, Wdelwin, "delwin");
begin
if Wdelwin (Win) = Curses_Err then
raise Curses_Exception;
end if;
Win := Null_Window;
end Delete;
function Sub_Window
(Win : Window := Standard_Window;
Number_Of_Lines : Line_Count;
Number_Of_Columns : Column_Count;
First_Line_Position : Line_Position;
First_Column_Position : Column_Position) return Window
is
function Subwin
(Win : Window;
Number_Of_Lines : C_Int;
Number_Of_Columns : C_Int;
First_Line_Position : C_Int;
First_Column_Position : C_Int) return Window;
pragma Import (C, Subwin, "subwin");
W : Window;
begin
W := Subwin (Win,
C_Int (Number_Of_Lines),
C_Int (Number_Of_Columns),
C_Int (First_Line_Position),
C_Int (First_Column_Position));
if W = Null_Window then
raise Curses_Exception;
end if;
return W;
end Sub_Window;
function Derived_Window
(Win : Window := Standard_Window;
Number_Of_Lines : Line_Count;
Number_Of_Columns : Column_Count;
First_Line_Position : Line_Position;
First_Column_Position : Column_Position) return Window
is
function Derwin
(Win : Window;
Number_Of_Lines : C_Int;
Number_Of_Columns : C_Int;
First_Line_Position : C_Int;
First_Column_Position : C_Int) return Window;
pragma Import (C, Derwin, "derwin");
W : Window;
begin
W := Derwin (Win,
C_Int (Number_Of_Lines),
C_Int (Number_Of_Columns),
C_Int (First_Line_Position),
C_Int (First_Column_Position));
if W = Null_Window then
raise Curses_Exception;
end if;
return W;
end Derived_Window;
function Duplicate (Win : Window) return Window
is
function Dupwin (Win : Window) return Window;
pragma Import (C, Dupwin, "dupwin");
W : constant Window := Dupwin (Win);
begin
if W = Null_Window then
raise Curses_Exception;
end if;
return W;
end Duplicate;
procedure Move_Window (Win : Window;
Line : Line_Position;
Column : Column_Position)
is
function Mvwin (Win : Window;
Line : C_Int;
Column : C_Int) return C_Int;
pragma Import (C, Mvwin, "mvwin");
begin
if Mvwin (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
raise Curses_Exception;
end if;
end Move_Window;
procedure Move_Derived_Window (Win : Window;
Line : Line_Position;
Column : Column_Position)
is
function Mvderwin (Win : Window;
Line : C_Int;
Column : C_Int) return C_Int;
pragma Import (C, Mvderwin, "mvderwin");
begin
if Mvderwin (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
raise Curses_Exception;
end if;
end Move_Derived_Window;
procedure Set_Synch_Mode (Win : Window := Standard_Window;
Mode : Boolean := False)
is
function Syncok (Win : Window;
Mode : Curses_Bool) return C_Int;
pragma Import (C, Syncok, "syncok");
begin
if Syncok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
raise Curses_Exception;
end if;
end Set_Synch_Mode;
------------------------------------------------------------------------------
procedure Add (Win : Window := Standard_Window;
Str : String;
Len : Integer := -1)
is
function Waddnstr (Win : Window;
Str : char_array;
Len : C_Int := -1) return C_Int;
pragma Import (C, Waddnstr, "waddnstr");
Txt : char_array (0 .. Str'Length);
Length : size_t;
begin
To_C (Str, Txt, Length);
if Waddnstr (Win, Txt, C_Int (Len)) = Curses_Err then
raise Curses_Exception;
end if;
end Add;
procedure Add
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Str : String;
Len : Integer := -1)
is
begin
Move_Cursor (Win, Line, Column);
Add (Win, Str, Len);
end Add;
------------------------------------------------------------------------------
procedure Add
(Win : Window := Standard_Window;
Str : Attributed_String;
Len : Integer := -1)
is
function Waddchnstr (Win : Window;
Str : chtype_array;
Len : C_Int := -1) return C_Int;
pragma Import (C, Waddchnstr, "waddchnstr");
Txt : chtype_array (0 .. Str'Length);
begin
for Length in 1 .. size_t (Str'Length) loop
Txt (Length - 1) := Str (Natural (Length));
end loop;
Txt (Str'Length) := Default_Character;
if Waddchnstr (Win,
Txt,
C_Int (Len)) = Curses_Err
then
raise Curses_Exception;
end if;
end Add;
procedure Add
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Str : Attributed_String;
Len : Integer := -1)
is
begin
Move_Cursor (Win, Line, Column);
Add (Win, Str, Len);
end Add;
------------------------------------------------------------------------------
procedure Border
(Win : Window := Standard_Window;
Left_Side_Symbol : Attributed_Character := Default_Character;
Right_Side_Symbol : Attributed_Character := Default_Character;
Top_Side_Symbol : Attributed_Character := Default_Character;
Bottom_Side_Symbol : Attributed_Character := Default_Character;
Upper_Left_Corner_Symbol : Attributed_Character := Default_Character;
Upper_Right_Corner_Symbol : Attributed_Character := Default_Character;
Lower_Left_Corner_Symbol : Attributed_Character := Default_Character;
Lower_Right_Corner_Symbol : Attributed_Character := Default_Character)
is
function Wborder (W : Window;
LS : Attributed_Character;
RS : Attributed_Character;
TS : Attributed_Character;
BS : Attributed_Character;
ULC : Attributed_Character;
URC : Attributed_Character;
LLC : Attributed_Character;
LRC : Attributed_Character) return C_Int;
pragma Import (C, Wborder, "wborder");
begin
if Wborder (Win,
Left_Side_Symbol,
Right_Side_Symbol,
Top_Side_Symbol,
Bottom_Side_Symbol,
Upper_Left_Corner_Symbol,
Upper_Right_Corner_Symbol,
Lower_Left_Corner_Symbol,
Lower_Right_Corner_Symbol) = Curses_Err
then
raise Curses_Exception;
end if;
end Border;
procedure Box
(Win : Window := Standard_Window;
Vertical_Symbol : Attributed_Character := Default_Character;
Horizontal_Symbol : Attributed_Character := Default_Character)
is
begin
Border (Win,
Vertical_Symbol, Vertical_Symbol,
Horizontal_Symbol, Horizontal_Symbol);
end Box;
procedure Horizontal_Line
(Win : Window := Standard_Window;
Line_Size : Natural;
Line_Symbol : Attributed_Character := Default_Character)
is
function Whline (W : Window;
Ch : Attributed_Character;
Len : C_Int) return C_Int;
pragma Import (C, Whline, "whline");
begin
if Whline (Win,
Line_Symbol,
C_Int (Line_Size)) = Curses_Err
then
raise Curses_Exception;
end if;
end Horizontal_Line;
procedure Vertical_Line
(Win : Window := Standard_Window;
Line_Size : Natural;
Line_Symbol : Attributed_Character := Default_Character)
is
function Wvline (W : Window;
Ch : Attributed_Character;
Len : C_Int) return C_Int;
pragma Import (C, Wvline, "wvline");
begin
if Wvline (Win,
Line_Symbol,
C_Int (Line_Size)) = Curses_Err
then
raise Curses_Exception;
end if;
end Vertical_Line;
------------------------------------------------------------------------------
function Get_Keystroke (Win : Window := Standard_Window)
return Real_Key_Code
is
function Wgetch (W : Window) return C_Int;
pragma Import (C, Wgetch, "wgetch");
C : constant C_Int := Wgetch (Win);
begin
if C = Curses_Err then
return Key_None;
else
return Real_Key_Code (C);
end if;
end Get_Keystroke;
procedure Undo_Keystroke (Key : Real_Key_Code)
is
function Ungetch (Ch : C_Int) return C_Int;
pragma Import (C, Ungetch, "ungetch");
begin
if Ungetch (C_Int (Key)) = Curses_Err then
raise Curses_Exception;
end if;
end Undo_Keystroke;
function Has_Key (Key : Special_Key_Code) return Boolean
is
function Haskey (Key : C_Int) return C_Int;
pragma Import (C, Haskey, "has_key");
begin
if Haskey (C_Int (Key)) = Curses_False then
return False;
else
return True;
end if;
end Has_Key;
function Is_Function_Key (Key : Special_Key_Code) return Boolean
is
L : constant Special_Key_Code := Special_Key_Code (Natural (Key_F0) +
Natural (Function_Key_Number'Last));
begin
if (Key >= Key_F0) and then (Key <= L) then
return True;
else
return False;
end if;
end Is_Function_Key;
function Function_Key (Key : Real_Key_Code)
return Function_Key_Number
is
begin
if Is_Function_Key (Key) then
return Function_Key_Number (Key - Key_F0);
else
raise Constraint_Error;
end if;
end Function_Key;
function Function_Key_Code (Key : Function_Key_Number) return Real_Key_Code
is
begin
return Real_Key_Code (Natural (Key_F0) + Natural (Key));
end Function_Key_Code;
------------------------------------------------------------------------------
procedure Standout (Win : Window := Standard_Window;
On : Boolean := True)
is
function wstandout (Win : Window) return C_Int;
pragma Import (C, wstandout, "wstandout");
function wstandend (Win : Window) return C_Int;
pragma Import (C, wstandend, "wstandend");
Err : C_Int;
begin
if On then
Err := wstandout (Win);
else
Err := wstandend (Win);
end if;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Standout;
procedure Switch_Character_Attribute
(Win : Window := Standard_Window;
Attr : Character_Attribute_Set := Normal_Video;
On : Boolean := True)
is
function Wattron (Win : Window;
C_Attr : Attributed_Character) return C_Int;
pragma Import (C, Wattron, "wattr_on");
function Wattroff (Win : Window;
C_Attr : Attributed_Character) return C_Int;
pragma Import (C, Wattroff, "wattr_off");
-- In Ada we use the On Boolean to control whether or not we want to
-- switch on or off the attributes in the set.
Err : C_Int;
AC : constant Attributed_Character := (Ch => Character'First,
Color => Color_Pair'First,
Attr => Attr);
begin
if On then
Err := Wattron (Win, AC);
else
Err := Wattroff (Win, AC);
end if;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Switch_Character_Attribute;
procedure Set_Character_Attributes
(Win : Window := Standard_Window;
Attr : Character_Attribute_Set := Normal_Video;
Color : Color_Pair := Color_Pair'First)
is
function Wattrset (Win : Window;
C_Attr : Attributed_Character) return C_Int;
pragma Import (C, Wattrset, "wattrset"); -- ??? wattr_set
begin
if Wattrset (Win, (Ch => Character'First,
Color => Color,
Attr => Attr)) = Curses_Err
then
raise Curses_Exception;
end if;
end Set_Character_Attributes;
function Get_Character_Attribute (Win : Window := Standard_Window)
return Character_Attribute_Set
is
function Wattrget (Win : Window;
Atr : access Attributed_Character;
Col : access C_Short;
Opt : System.Address) return C_Int;
pragma Import (C, Wattrget, "wattr_get");
Attr : aliased Attributed_Character;
Col : aliased C_Short;
Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access,
System.Null_Address);
begin
if Res = Curses_Ok then
return Attr.Attr;
else
raise Curses_Exception;
end if;
end Get_Character_Attribute;
function Get_Character_Attribute (Win : Window := Standard_Window)
return Color_Pair
is
function Wattrget (Win : Window;
Atr : access Attributed_Character;
Col : access C_Short;
Opt : System.Address) return C_Int;
pragma Import (C, Wattrget, "wattr_get");
Attr : aliased Attributed_Character;
Col : aliased C_Short;
Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access,
System.Null_Address);
begin
if Res = Curses_Ok then
return Attr.Color;
else
raise Curses_Exception;
end if;
end Get_Character_Attribute;
procedure Set_Color (Win : Window := Standard_Window;
Pair : Color_Pair)
is
function Wset_Color (Win : Window;
Color : C_Short;
Opts : C_Void_Ptr) return C_Int;
pragma Import (C, Wset_Color, "wcolor_set");
begin
if Wset_Color (Win,
C_Short (Pair),
C_Void_Ptr (System.Null_Address)) = Curses_Err
then
raise Curses_Exception;
end if;
end Set_Color;
procedure Change_Attributes
(Win : Window := Standard_Window;
Count : Integer := -1;
Attr : Character_Attribute_Set := Normal_Video;
Color : Color_Pair := Color_Pair'First)
is
function Wchgat (Win : Window;
Cnt : C_Int;
Attr : Attributed_Character;
Color : C_Short;
Opts : System.Address := System.Null_Address)
return C_Int;
pragma Import (C, Wchgat, "wchgat");
begin
if Wchgat (Win,
C_Int (Count),
(Ch => Character'First,
Color => Color_Pair'First,
Attr => Attr),
C_Short (Color)) = Curses_Err
then
raise Curses_Exception;
end if;
end Change_Attributes;
procedure Change_Attributes
(Win : Window := Standard_Window;
Line : Line_Position := Line_Position'First;
Column : Column_Position := Column_Position'First;
Count : Integer := -1;
Attr : Character_Attribute_Set := Normal_Video;
Color : Color_Pair := Color_Pair'First)
is
begin
Move_Cursor (Win, Line, Column);
Change_Attributes (Win, Count, Attr, Color);
end Change_Attributes;
------------------------------------------------------------------------------
procedure Beep
is
function Beeper return C_Int;
pragma Import (C, Beeper, "beep");
begin
if Beeper = Curses_Err then
raise Curses_Exception;
end if;
end Beep;
procedure Flash_Screen
is
function Flash return C_Int;
pragma Import (C, Flash, "flash");
begin
if Flash = Curses_Err then
raise Curses_Exception;
end if;
end Flash_Screen;
------------------------------------------------------------------------------
procedure Set_Cbreak_Mode (SwitchOn : Boolean := True)
is
function Cbreak return C_Int;
pragma Import (C, Cbreak, "cbreak");
function NoCbreak return C_Int;
pragma Import (C, NoCbreak, "nocbreak");
Err : C_Int;
begin
if SwitchOn then
Err := Cbreak;
else
Err := NoCbreak;
end if;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Set_Cbreak_Mode;
procedure Set_Raw_Mode (SwitchOn : Boolean := True)
is
function Raw return C_Int;
pragma Import (C, Raw, "raw");
function NoRaw return C_Int;
pragma Import (C, NoRaw, "noraw");
Err : C_Int;
begin
if SwitchOn then
Err := Raw;
else
Err := NoRaw;
end if;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Set_Raw_Mode;
procedure Set_Echo_Mode (SwitchOn : Boolean := True)
is
function Echo return C_Int;
pragma Import (C, Echo, "echo");
function NoEcho return C_Int;
pragma Import (C, NoEcho, "noecho");
Err : C_Int;
begin
if SwitchOn then
Err := Echo;
else
Err := NoEcho;
end if;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Set_Echo_Mode;
procedure Set_Meta_Mode (Win : Window := Standard_Window;
SwitchOn : Boolean := True)
is
function Meta (W : Window; Mode : Curses_Bool) return C_Int;
pragma Import (C, Meta, "meta");
begin
if Meta (Win, Curses_Bool (Boolean'Pos (SwitchOn))) = Curses_Err then
raise Curses_Exception;
end if;
end Set_Meta_Mode;
procedure Set_KeyPad_Mode (Win : Window := Standard_Window;
SwitchOn : Boolean := True)
is
function Keypad (W : Window; Mode : Curses_Bool) return C_Int;
pragma Import (C, Keypad, "keypad");
begin
if Keypad (Win, Curses_Bool (Boolean'Pos (SwitchOn))) = Curses_Err then
raise Curses_Exception;
end if;
end Set_KeyPad_Mode;
function Get_KeyPad_Mode (Win : Window := Standard_Window)
return Boolean
is
function Is_Keypad (W : Window) return Curses_Bool;
pragma Import (C, Is_Keypad, "is_keypad");
begin
return (Is_Keypad (Win) /= Curses_Bool_False);
end Get_KeyPad_Mode;
procedure Half_Delay (Amount : Half_Delay_Amount)
is
function Halfdelay (Amount : C_Int) return C_Int;
pragma Import (C, Halfdelay, "halfdelay");
begin
if Halfdelay (C_Int (Amount)) = Curses_Err then
raise Curses_Exception;
end if;
end Half_Delay;
procedure Set_Flush_On_Interrupt_Mode
(Win : Window := Standard_Window;
Mode : Boolean := True)
is
function Intrflush (Win : Window; Mode : Curses_Bool) return C_Int;
pragma Import (C, Intrflush, "intrflush");
begin
if Intrflush (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
raise Curses_Exception;
end if;
end Set_Flush_On_Interrupt_Mode;
procedure Set_Queue_Interrupt_Mode
(Win : Window := Standard_Window;
Flush : Boolean := True)
is
procedure Qiflush;
pragma Import (C, Qiflush, "qiflush");
procedure No_Qiflush;
pragma Import (C, No_Qiflush, "noqiflush");
begin
if Win = Null_Window then
raise Curses_Exception;
end if;
if Flush then
Qiflush;
else
No_Qiflush;
end if;
end Set_Queue_Interrupt_Mode;
procedure Set_NoDelay_Mode
(Win : Window := Standard_Window;
Mode : Boolean := False)
is
function Nodelay (Win : Window; Mode : Curses_Bool) return C_Int;
pragma Import (C, Nodelay, "nodelay");
begin
if Nodelay (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
raise Curses_Exception;
end if;
end Set_NoDelay_Mode;
procedure Set_Timeout_Mode (Win : Window := Standard_Window;
Mode : Timeout_Mode;
Amount : Natural)
is
procedure Wtimeout (Win : Window; Amount : C_Int);
pragma Import (C, Wtimeout, "wtimeout");
Time : C_Int;
begin
case Mode is
when Blocking => Time := -1;
when Non_Blocking => Time := 0;
when Delayed =>
if Amount = 0 then
raise Constraint_Error;
end if;
Time := C_Int (Amount);
end case;
Wtimeout (Win, Time);
end Set_Timeout_Mode;
procedure Set_Escape_Timer_Mode
(Win : Window := Standard_Window;
Timer_Off : Boolean := False)
is
function Notimeout (Win : Window; Mode : Curses_Bool) return C_Int;
pragma Import (C, Notimeout, "notimeout");
begin
if Notimeout (Win, Curses_Bool (Boolean'Pos (Timer_Off)))
= Curses_Err
then
raise Curses_Exception;
end if;
end Set_Escape_Timer_Mode;
------------------------------------------------------------------------------
procedure Set_NL_Mode (SwitchOn : Boolean := True)
is
function NL return C_Int;
pragma Import (C, NL, "nl");
function NoNL return C_Int;
pragma Import (C, NoNL, "nonl");
Err : C_Int;
begin
if SwitchOn then
Err := NL;
else
Err := NoNL;
end if;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Set_NL_Mode;
procedure Clear_On_Next_Update
(Win : Window := Standard_Window;
Do_Clear : Boolean := True)
is
function Clear_Ok (W : Window; Flag : Curses_Bool) return C_Int;
pragma Import (C, Clear_Ok, "clearok");
begin
if Clear_Ok (Win, Curses_Bool (Boolean'Pos (Do_Clear))) = Curses_Err then
raise Curses_Exception;
end if;
end Clear_On_Next_Update;
procedure Use_Insert_Delete_Line
(Win : Window := Standard_Window;
Do_Idl : Boolean := True)
is
function IDL_Ok (W : Window; Flag : Curses_Bool) return C_Int;
pragma Import (C, IDL_Ok, "idlok");
begin
if IDL_Ok (Win, Curses_Bool (Boolean'Pos (Do_Idl))) = Curses_Err then
raise Curses_Exception;
end if;
end Use_Insert_Delete_Line;
procedure Use_Insert_Delete_Character
(Win : Window := Standard_Window;
Do_Idc : Boolean := True)
is
procedure IDC_Ok (W : Window; Flag : Curses_Bool);
pragma Import (C, IDC_Ok, "idcok");
begin
IDC_Ok (Win, Curses_Bool (Boolean'Pos (Do_Idc)));
end Use_Insert_Delete_Character;
procedure Leave_Cursor_After_Update
(Win : Window := Standard_Window;
Do_Leave : Boolean := True)
is
function Leave_Ok (W : Window; Flag : Curses_Bool) return C_Int;
pragma Import (C, Leave_Ok, "leaveok");
begin
if Leave_Ok (Win, Curses_Bool (Boolean'Pos (Do_Leave))) = Curses_Err then
raise Curses_Exception;
end if;
end Leave_Cursor_After_Update;
procedure Immediate_Update_Mode
(Win : Window := Standard_Window;
Mode : Boolean := False)
is
procedure Immedok (Win : Window; Mode : Curses_Bool);
pragma Import (C, Immedok, "immedok");
begin
Immedok (Win, Curses_Bool (Boolean'Pos (Mode)));
end Immediate_Update_Mode;
procedure Allow_Scrolling
(Win : Window := Standard_Window;
Mode : Boolean := False)
is
function Scrollok (Win : Window; Mode : Curses_Bool) return C_Int;
pragma Import (C, Scrollok, "scrollok");
begin
if Scrollok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
raise Curses_Exception;
end if;
end Allow_Scrolling;
function Scrolling_Allowed (Win : Window := Standard_Window)
return Boolean
is
function Is_Scroll_Ok (W : Window) return Curses_Bool;
pragma Import (C, Is_Scroll_Ok, "is_scrollok");
begin
return (Is_Scroll_Ok (Win) /= Curses_Bool_False);
end Scrolling_Allowed;
procedure Set_Scroll_Region
(Win : Window := Standard_Window;
Top_Line : Line_Position;
Bottom_Line : Line_Position)
is
function Wsetscrreg (Win : Window;
Lin : C_Int;
Col : C_Int) return C_Int;
pragma Import (C, Wsetscrreg, "wsetscrreg");
begin
if Wsetscrreg (Win, C_Int (Top_Line), C_Int (Bottom_Line))
= Curses_Err
then
raise Curses_Exception;
end if;
end Set_Scroll_Region;
------------------------------------------------------------------------------
procedure Update_Screen
is
function Do_Update return C_Int;
pragma Import (C, Do_Update, "doupdate");
begin
if Do_Update = Curses_Err then
raise Curses_Exception;
end if;
end Update_Screen;
procedure Refresh (Win : Window := Standard_Window)
is
function Wrefresh (W : Window) return C_Int;
pragma Import (C, Wrefresh, "wrefresh");
begin
if Wrefresh (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Refresh;
procedure Refresh_Without_Update
(Win : Window := Standard_Window)
is
function Wnoutrefresh (W : Window) return C_Int;
pragma Import (C, Wnoutrefresh, "wnoutrefresh");
begin
if Wnoutrefresh (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Refresh_Without_Update;
procedure Redraw (Win : Window := Standard_Window)
is
function Redrawwin (Win : Window) return C_Int;
pragma Import (C, Redrawwin, "redrawwin");
begin
if Redrawwin (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Redraw;
procedure Redraw
(Win : Window := Standard_Window;
Begin_Line : Line_Position;
Line_Count : Positive)
is
function Wredrawln (Win : Window; First : C_Int; Cnt : C_Int)
return C_Int;
pragma Import (C, Wredrawln, "wredrawln");
begin
if Wredrawln (Win,
C_Int (Begin_Line),
C_Int (Line_Count)) = Curses_Err
then
raise Curses_Exception;
end if;
end Redraw;
------------------------------------------------------------------------------
procedure Erase (Win : Window := Standard_Window)
is
function Werase (W : Window) return C_Int;
pragma Import (C, Werase, "werase");
begin
if Werase (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Erase;
procedure Clear (Win : Window := Standard_Window)
is
function Wclear (W : Window) return C_Int;
pragma Import (C, Wclear, "wclear");
begin
if Wclear (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Clear;
procedure Clear_To_End_Of_Screen (Win : Window := Standard_Window)
is
function Wclearbot (W : Window) return C_Int;
pragma Import (C, Wclearbot, "wclrtobot");
begin
if Wclearbot (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Clear_To_End_Of_Screen;
procedure Clear_To_End_Of_Line (Win : Window := Standard_Window)
is
function Wcleareol (W : Window) return C_Int;
pragma Import (C, Wcleareol, "wclrtoeol");
begin
if Wcleareol (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Clear_To_End_Of_Line;
------------------------------------------------------------------------------
procedure Set_Background
(Win : Window := Standard_Window;
Ch : Attributed_Character)
is
procedure WBackground (W : Window; Ch : Attributed_Character);
pragma Import (C, WBackground, "wbkgdset");
begin
WBackground (Win, Ch);
end Set_Background;
procedure Change_Background
(Win : Window := Standard_Window;
Ch : Attributed_Character)
is
function WChangeBkgd (W : Window; Ch : Attributed_Character)
return C_Int;
pragma Import (C, WChangeBkgd, "wbkgd");
begin
if WChangeBkgd (Win, Ch) = Curses_Err then
raise Curses_Exception;
end if;
end Change_Background;
function Get_Background (Win : Window := Standard_Window)
return Attributed_Character
is
function Wgetbkgd (Win : Window) return Attributed_Character;
pragma Import (C, Wgetbkgd, "getbkgd");
begin
return Wgetbkgd (Win);
end Get_Background;
------------------------------------------------------------------------------
procedure Change_Lines_Status (Win : Window := Standard_Window;
Start : Line_Position;
Count : Positive;
State : Boolean)
is
function Wtouchln (Win : Window;
Sta : C_Int;
Cnt : C_Int;
Chg : C_Int) return C_Int;
pragma Import (C, Wtouchln, "wtouchln");
begin
if Wtouchln (Win, C_Int (Start), C_Int (Count),
C_Int (Boolean'Pos (State))) = Curses_Err
then
raise Curses_Exception;
end if;
end Change_Lines_Status;
procedure Touch (Win : Window := Standard_Window)
is
Y : Line_Position;
X : Column_Position;
begin
Get_Size (Win, Y, X);
pragma Warnings (Off, X); -- unreferenced
Change_Lines_Status (Win, 0, Positive (Y), True);
end Touch;
procedure Untouch (Win : Window := Standard_Window)
is
Y : Line_Position;
X : Column_Position;
begin
Get_Size (Win, Y, X);
pragma Warnings (Off, X); -- unreferenced
Change_Lines_Status (Win, 0, Positive (Y), False);
end Untouch;
procedure Touch (Win : Window := Standard_Window;
Start : Line_Position;
Count : Positive)
is
begin
Change_Lines_Status (Win, Start, Count, True);
end Touch;
function Is_Touched
(Win : Window := Standard_Window;
Line : Line_Position) return Boolean
is
function WLineTouched (W : Window; L : C_Int) return Curses_Bool;
pragma Import (C, WLineTouched, "is_linetouched");
begin
if WLineTouched (Win, C_Int (Line)) = Curses_Bool_False then
return False;
else
return True;
end if;
end Is_Touched;
function Is_Touched
(Win : Window := Standard_Window) return Boolean
is
function WWinTouched (W : Window) return Curses_Bool;
pragma Import (C, WWinTouched, "is_wintouched");
begin
if WWinTouched (Win) = Curses_Bool_False then
return False;
else
return True;
end if;
end Is_Touched;
------------------------------------------------------------------------------
procedure Copy
(Source_Window : Window;
Destination_Window : Window;
Source_Top_Row : Line_Position;
Source_Left_Column : Column_Position;
Destination_Top_Row : Line_Position;
Destination_Left_Column : Column_Position;
Destination_Bottom_Row : Line_Position;
Destination_Right_Column : Column_Position;
Non_Destructive_Mode : Boolean := True)
is
function Copywin (Src : Window;
Dst : Window;
Str : C_Int;
Slc : C_Int;
Dtr : C_Int;
Dlc : C_Int;
Dbr : C_Int;
Drc : C_Int;
Ndm : C_Int) return C_Int;
pragma Import (C, Copywin, "copywin");
begin
if Copywin (Source_Window,
Destination_Window,
C_Int (Source_Top_Row),
C_Int (Source_Left_Column),
C_Int (Destination_Top_Row),
C_Int (Destination_Left_Column),
C_Int (Destination_Bottom_Row),
C_Int (Destination_Right_Column),
Boolean'Pos (Non_Destructive_Mode)
) = Curses_Err
then
raise Curses_Exception;
end if;
end Copy;
procedure Overwrite
(Source_Window : Window;
Destination_Window : Window)
is
function Overwrite (Src : Window; Dst : Window) return C_Int;
pragma Import (C, Overwrite, "overwrite");
begin
if Overwrite (Source_Window, Destination_Window) = Curses_Err then
raise Curses_Exception;
end if;
end Overwrite;
procedure Overlay
(Source_Window : Window;
Destination_Window : Window)
is
function Overlay (Src : Window; Dst : Window) return C_Int;
pragma Import (C, Overlay, "overlay");
begin
if Overlay (Source_Window, Destination_Window) = Curses_Err then
raise Curses_Exception;
end if;
end Overlay;
------------------------------------------------------------------------------
procedure Insert_Delete_Lines
(Win : Window := Standard_Window;
Lines : Integer := 1) -- default is to insert one line above
is
function Winsdelln (W : Window; N : C_Int) return C_Int;
pragma Import (C, Winsdelln, "winsdelln");
begin
if Winsdelln (Win, C_Int (Lines)) = Curses_Err then
raise Curses_Exception;
end if;
end Insert_Delete_Lines;
procedure Delete_Line (Win : Window := Standard_Window)
is
begin
Insert_Delete_Lines (Win, -1);
end Delete_Line;
procedure Insert_Line (Win : Window := Standard_Window)
is
begin
Insert_Delete_Lines (Win, 1);
end Insert_Line;
------------------------------------------------------------------------------
procedure Get_Size
(Win : Window := Standard_Window;
Number_Of_Lines : out Line_Count;
Number_Of_Columns : out Column_Count)
is
function GetMaxY (W : Window) return C_Int;
pragma Import (C, GetMaxY, "getmaxy");
function GetMaxX (W : Window) return C_Int;
pragma Import (C, GetMaxX, "getmaxx");
Y : constant C_Int := GetMaxY (Win);
X : constant C_Int := GetMaxX (Win);
begin
Number_Of_Lines := Line_Count (Y);
Number_Of_Columns := Column_Count (X);
end Get_Size;
procedure Get_Window_Position
(Win : Window := Standard_Window;
Top_Left_Line : out Line_Position;
Top_Left_Column : out Column_Position)
is
function GetBegY (W : Window) return C_Int;
pragma Import (C, GetBegY, "getbegy");
function GetBegX (W : Window) return C_Int;
pragma Import (C, GetBegX, "getbegx");
Y : constant C_Short := C_Short (GetBegY (Win));
X : constant C_Short := C_Short (GetBegX (Win));
begin
Top_Left_Line := Line_Position (Y);
Top_Left_Column := Column_Position (X);
end Get_Window_Position;
procedure Get_Cursor_Position
(Win : Window := Standard_Window;
Line : out Line_Position;
Column : out Column_Position)
is
function GetCurY (W : Window) return C_Int;
pragma Import (C, GetCurY, "getcury");
function GetCurX (W : Window) return C_Int;
pragma Import (C, GetCurX, "getcurx");
Y : constant C_Short := C_Short (GetCurY (Win));
X : constant C_Short := C_Short (GetCurX (Win));
begin
Line := Line_Position (Y);
Column := Column_Position (X);
end Get_Cursor_Position;
procedure Get_Origin_Relative_To_Parent
(Win : Window;
Top_Left_Line : out Line_Position;
Top_Left_Column : out Column_Position;
Is_Not_A_Subwindow : out Boolean)
is
function GetParY (W : Window) return C_Int;
pragma Import (C, GetParY, "getpary");
function GetParX (W : Window) return C_Int;
pragma Import (C, GetParX, "getparx");
Y : constant C_Int := GetParY (Win);
X : constant C_Int := GetParX (Win);
begin
if Y = -1 then
Top_Left_Line := Line_Position'Last;
Top_Left_Column := Column_Position'Last;
Is_Not_A_Subwindow := True;
else
Top_Left_Line := Line_Position (Y);
Top_Left_Column := Column_Position (X);
Is_Not_A_Subwindow := False;
end if;
end Get_Origin_Relative_To_Parent;
------------------------------------------------------------------------------
function New_Pad (Lines : Line_Count;
Columns : Column_Count) return Window
is
function Newpad (Lines : C_Int; Columns : C_Int) return Window;
pragma Import (C, Newpad, "newpad");
W : Window;
begin
W := Newpad (C_Int (Lines), C_Int (Columns));
if W = Null_Window then
raise Curses_Exception;
end if;
return W;
end New_Pad;
function Sub_Pad
(Pad : Window;
Number_Of_Lines : Line_Count;
Number_Of_Columns : Column_Count;
First_Line_Position : Line_Position;
First_Column_Position : Column_Position) return Window
is
function Subpad
(Pad : Window;
Number_Of_Lines : C_Int;
Number_Of_Columns : C_Int;
First_Line_Position : C_Int;
First_Column_Position : C_Int) return Window;
pragma Import (C, Subpad, "subpad");
W : Window;
begin
W := Subpad (Pad,
C_Int (Number_Of_Lines),
C_Int (Number_Of_Columns),
C_Int (First_Line_Position),
C_Int (First_Column_Position));
if W = Null_Window then
raise Curses_Exception;
end if;
return W;
end Sub_Pad;
procedure Refresh
(Pad : Window;
Source_Top_Row : Line_Position;
Source_Left_Column : Column_Position;
Destination_Top_Row : Line_Position;
Destination_Left_Column : Column_Position;
Destination_Bottom_Row : Line_Position;
Destination_Right_Column : Column_Position)
is
function Prefresh
(Pad : Window;
Source_Top_Row : C_Int;
Source_Left_Column : C_Int;
Destination_Top_Row : C_Int;
Destination_Left_Column : C_Int;
Destination_Bottom_Row : C_Int;
Destination_Right_Column : C_Int) return C_Int;
pragma Import (C, Prefresh, "prefresh");
begin
if Prefresh (Pad,
C_Int (Source_Top_Row),
C_Int (Source_Left_Column),
C_Int (Destination_Top_Row),
C_Int (Destination_Left_Column),
C_Int (Destination_Bottom_Row),
C_Int (Destination_Right_Column)) = Curses_Err
then
raise Curses_Exception;
end if;
end Refresh;
procedure Refresh_Without_Update
(Pad : Window;
Source_Top_Row : Line_Position;
Source_Left_Column : Column_Position;
Destination_Top_Row : Line_Position;
Destination_Left_Column : Column_Position;
Destination_Bottom_Row : Line_Position;
Destination_Right_Column : Column_Position)
is
function Pnoutrefresh
(Pad : Window;
Source_Top_Row : C_Int;
Source_Left_Column : C_Int;
Destination_Top_Row : C_Int;
Destination_Left_Column : C_Int;
Destination_Bottom_Row : C_Int;
Destination_Right_Column : C_Int) return C_Int;
pragma Import (C, Pnoutrefresh, "pnoutrefresh");
begin
if Pnoutrefresh (Pad,
C_Int (Source_Top_Row),
C_Int (Source_Left_Column),
C_Int (Destination_Top_Row),
C_Int (Destination_Left_Column),
C_Int (Destination_Bottom_Row),
C_Int (Destination_Right_Column)) = Curses_Err
then
raise Curses_Exception;
end if;
end Refresh_Without_Update;
procedure Add_Character_To_Pad_And_Echo_It
(Pad : Window;
Ch : Attributed_Character)
is
function Pechochar (Pad : Window; Ch : Attributed_Character)
return C_Int;
pragma Import (C, Pechochar, "pechochar");
begin
if Pechochar (Pad, Ch) = Curses_Err then
raise Curses_Exception;
end if;
end Add_Character_To_Pad_And_Echo_It;
procedure Add_Character_To_Pad_And_Echo_It
(Pad : Window;
Ch : Character)
is
begin
Add_Character_To_Pad_And_Echo_It
(Pad,
Attributed_Character'(Ch => Ch,
Color => Color_Pair'First,
Attr => Normal_Video));
end Add_Character_To_Pad_And_Echo_It;
------------------------------------------------------------------------------
procedure Scroll (Win : Window := Standard_Window;
Amount : Integer := 1)
is
function Wscrl (Win : Window; N : C_Int) return C_Int;
pragma Import (C, Wscrl, "wscrl");
begin
if Wscrl (Win, C_Int (Amount)) = Curses_Err then
raise Curses_Exception;
end if;
end Scroll;
------------------------------------------------------------------------------
procedure Delete_Character (Win : Window := Standard_Window)
is
function Wdelch (Win : Window) return C_Int;
pragma Import (C, Wdelch, "wdelch");
begin
if Wdelch (Win) = Curses_Err then
raise Curses_Exception;
end if;
end Delete_Character;
procedure Delete_Character
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position)
is
function Mvwdelch (Win : Window;
Lin : C_Int;
Col : C_Int) return C_Int;
pragma Import (C, Mvwdelch, "mvwdelch");
begin
if Mvwdelch (Win, C_Int (Line), C_Int (Column)) = Curses_Err then
raise Curses_Exception;
end if;
end Delete_Character;
------------------------------------------------------------------------------
function Peek (Win : Window := Standard_Window)
return Attributed_Character
is
function Winch (Win : Window) return Attributed_Character;
pragma Import (C, Winch, "winch");
begin
return Winch (Win);
end Peek;
function Peek
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position) return Attributed_Character
is
function Mvwinch (Win : Window;
Lin : C_Int;
Col : C_Int) return Attributed_Character;
pragma Import (C, Mvwinch, "mvwinch");
begin
return Mvwinch (Win, C_Int (Line), C_Int (Column));
end Peek;
------------------------------------------------------------------------------
procedure Insert (Win : Window := Standard_Window;
Ch : Attributed_Character)
is
function Winsch (Win : Window; Ch : Attributed_Character) return C_Int;
pragma Import (C, Winsch, "winsch");
begin
if Winsch (Win, Ch) = Curses_Err then
raise Curses_Exception;
end if;
end Insert;
procedure Insert
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Ch : Attributed_Character)
is
function Mvwinsch (Win : Window;
Lin : C_Int;
Col : C_Int;
Ch : Attributed_Character) return C_Int;
pragma Import (C, Mvwinsch, "mvwinsch");
begin
if Mvwinsch (Win,
C_Int (Line),
C_Int (Column),
Ch) = Curses_Err
then
raise Curses_Exception;
end if;
end Insert;
------------------------------------------------------------------------------
procedure Insert (Win : Window := Standard_Window;
Str : String;
Len : Integer := -1)
is
function Winsnstr (Win : Window;
Str : char_array;
Len : Integer := -1) return C_Int;
pragma Import (C, Winsnstr, "winsnstr");
Txt : char_array (0 .. Str'Length);
Length : size_t;
begin
To_C (Str, Txt, Length);
if Winsnstr (Win, Txt, Len) = Curses_Err then
raise Curses_Exception;
end if;
end Insert;
procedure Insert
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Str : String;
Len : Integer := -1)
is
function Mvwinsnstr (Win : Window;
Line : C_Int;
Column : C_Int;
Str : char_array;
Len : C_Int) return C_Int;
pragma Import (C, Mvwinsnstr, "mvwinsnstr");
Txt : char_array (0 .. Str'Length);
Length : size_t;
begin
To_C (Str, Txt, Length);
if Mvwinsnstr (Win, C_Int (Line), C_Int (Column), Txt, C_Int (Len))
= Curses_Err
then
raise Curses_Exception;
end if;
end Insert;
------------------------------------------------------------------------------
procedure Peek (Win : Window := Standard_Window;
Str : out String;
Len : Integer := -1)
is
function Winnstr (Win : Window;
Str : char_array;
Len : C_Int) return C_Int;
pragma Import (C, Winnstr, "winnstr");
N : Integer := Len;
Txt : char_array (0 .. Str'Length);
Cnt : Natural;
begin
if N < 0 then
N := Str'Length;
end if;
if N > Str'Length then
raise Constraint_Error;
end if;
Txt (0) := Interfaces.C.char'First;
if Winnstr (Win, Txt, C_Int (N)) = Curses_Err then
raise Curses_Exception;
end if;
To_Ada (Txt, Str, Cnt, True);
if Cnt < Str'Length then
Str ((Str'First + Cnt) .. Str'Last) := (others => ' ');
end if;
end Peek;
procedure Peek
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Str : out String;
Len : Integer := -1)
is
begin
Move_Cursor (Win, Line, Column);
Peek (Win, Str, Len);
end Peek;
------------------------------------------------------------------------------
procedure Peek
(Win : Window := Standard_Window;
Str : out Attributed_String;
Len : Integer := -1)
is
function Winchnstr (Win : Window;
Str : chtype_array; -- out
Len : C_Int) return C_Int;
pragma Import (C, Winchnstr, "winchnstr");
N : Integer := Len;
Txt : constant chtype_array (0 .. Str'Length)
:= (0 => Default_Character);
Cnt : Natural := 0;
begin
if N < 0 then
N := Str'Length;
end if;
if N > Str'Length then
raise Constraint_Error;
end if;
if Winchnstr (Win, Txt, C_Int (N)) = Curses_Err then
raise Curses_Exception;
end if;
for To in Str'Range loop
exit when Txt (size_t (Cnt)) = Default_Character;
Str (To) := Txt (size_t (Cnt));
Cnt := Cnt + 1;
end loop;
if Cnt < Str'Length then
Str ((Str'First + Cnt) .. Str'Last) :=
(others => (Ch => ' ',
Color => Color_Pair'First,
Attr => Normal_Video));
end if;
end Peek;
procedure Peek
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Str : out Attributed_String;
Len : Integer := -1)
is
begin
Move_Cursor (Win, Line, Column);
Peek (Win, Str, Len);
end Peek;
------------------------------------------------------------------------------
procedure Get (Win : Window := Standard_Window;
Str : out String;
Len : Integer := -1)
is
function Wgetnstr (Win : Window;
Str : char_array;
Len : C_Int) return C_Int;
pragma Import (C, Wgetnstr, "wgetnstr");
N : Integer := Len;
Txt : char_array (0 .. Str'Length);
Cnt : Natural;
begin
if N < 0 then
N := Str'Length;
end if;
if N > Str'Length then
raise Constraint_Error;
end if;
Txt (0) := Interfaces.C.char'First;
if Wgetnstr (Win, Txt, C_Int (N)) = Curses_Err then
raise Curses_Exception;
end if;
To_Ada (Txt, Str, Cnt, True);
if Cnt < Str'Length then
Str ((Str'First + Cnt) .. Str'Last) := (others => ' ');
end if;
end Get;
procedure Get
(Win : Window := Standard_Window;
Line : Line_Position;
Column : Column_Position;
Str : out String;
Len : Integer := -1)
is
begin
Move_Cursor (Win, Line, Column);
Get (Win, Str, Len);
end Get;
------------------------------------------------------------------------------
procedure Init_Soft_Label_Keys
(Format : Soft_Label_Key_Format := Three_Two_Three)
is
function Slk_Init (Fmt : C_Int) return C_Int;
pragma Import (C, Slk_Init, "slk_init");
begin
if Slk_Init (Soft_Label_Key_Format'Pos (Format)) = Curses_Err then
raise Curses_Exception;
end if;
end Init_Soft_Label_Keys;
procedure Set_Soft_Label_Key (Label : Label_Number;
Text : String;
Fmt : Label_Justification := Left)
is
function Slk_Set (Label : C_Int;
Txt : char_array;
Fmt : C_Int) return C_Int;
pragma Import (C, Slk_Set, "slk_set");
Txt : char_array (0 .. Text'Length);
Len : size_t;
begin
To_C (Text, Txt, Len);
if Slk_Set (C_Int (Label), Txt,
C_Int (Label_Justification'Pos (Fmt))) = Curses_Err
then
raise Curses_Exception;
end if;
end Set_Soft_Label_Key;
procedure Refresh_Soft_Label_Keys
is
function Slk_Refresh return C_Int;
pragma Import (C, Slk_Refresh, "slk_refresh");
begin
if Slk_Refresh = Curses_Err then
raise Curses_Exception;
end if;
end Refresh_Soft_Label_Keys;
procedure Refresh_Soft_Label_Keys_Without_Update
is
function Slk_Noutrefresh return C_Int;
pragma Import (C, Slk_Noutrefresh, "slk_noutrefresh");
begin
if Slk_Noutrefresh = Curses_Err then
raise Curses_Exception;
end if;
end Refresh_Soft_Label_Keys_Without_Update;
procedure Get_Soft_Label_Key (Label : Label_Number;
Text : out String)
is
function Slk_Label (Label : C_Int) return chars_ptr;
pragma Import (C, Slk_Label, "slk_label");
begin
Fill_String (Slk_Label (C_Int (Label)), Text);
end Get_Soft_Label_Key;
function Get_Soft_Label_Key (Label : Label_Number) return String
is
function Slk_Label (Label : C_Int) return chars_ptr;
pragma Import (C, Slk_Label, "slk_label");
begin
return Fill_String (Slk_Label (C_Int (Label)));
end Get_Soft_Label_Key;
procedure Clear_Soft_Label_Keys
is
function Slk_Clear return C_Int;
pragma Import (C, Slk_Clear, "slk_clear");
begin
if Slk_Clear = Curses_Err then
raise Curses_Exception;
end if;
end Clear_Soft_Label_Keys;
procedure Restore_Soft_Label_Keys
is
function Slk_Restore return C_Int;
pragma Import (C, Slk_Restore, "slk_restore");
begin
if Slk_Restore = Curses_Err then
raise Curses_Exception;
end if;
end Restore_Soft_Label_Keys;
procedure Touch_Soft_Label_Keys
is
function Slk_Touch return C_Int;
pragma Import (C, Slk_Touch, "slk_touch");
begin
if Slk_Touch = Curses_Err then
raise Curses_Exception;
end if;
end Touch_Soft_Label_Keys;
procedure Switch_Soft_Label_Key_Attributes
(Attr : Character_Attribute_Set;
On : Boolean := True)
is
function Slk_Attron (Ch : Attributed_Character) return C_Int;
pragma Import (C, Slk_Attron, "slk_attron");
function Slk_Attroff (Ch : Attributed_Character) return C_Int;
pragma Import (C, Slk_Attroff, "slk_attroff");
Err : C_Int;
Ch : constant Attributed_Character := (Ch => Character'First,
Attr => Attr,
Color => Color_Pair'First);
begin
if On then
Err := Slk_Attron (Ch);
else
Err := Slk_Attroff (Ch);
end if;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Switch_Soft_Label_Key_Attributes;
procedure Set_Soft_Label_Key_Attributes
(Attr : Character_Attribute_Set := Normal_Video;
Color : Color_Pair := Color_Pair'First)
is
function Slk_Attrset (Ch : Attributed_Character) return C_Int;
pragma Import (C, Slk_Attrset, "slk_attrset");
Ch : constant Attributed_Character := (Ch => Character'First,
Attr => Attr,
Color => Color);
begin
if Slk_Attrset (Ch) = Curses_Err then
raise Curses_Exception;
end if;
end Set_Soft_Label_Key_Attributes;
function Get_Soft_Label_Key_Attributes return Character_Attribute_Set
is
function Slk_Attr return Attributed_Character;
pragma Import (C, Slk_Attr, "slk_attr");
Attr : constant Attributed_Character := Slk_Attr;
begin
return Attr.Attr;
end Get_Soft_Label_Key_Attributes;
function Get_Soft_Label_Key_Attributes return Color_Pair
is
function Slk_Attr return Attributed_Character;
pragma Import (C, Slk_Attr, "slk_attr");
Attr : constant Attributed_Character := Slk_Attr;
begin
return Attr.Color;
end Get_Soft_Label_Key_Attributes;
procedure Set_Soft_Label_Key_Color (Pair : Color_Pair)
is
function Slk_Color (Color : C_Short) return C_Int;
pragma Import (C, Slk_Color, "slk_color");
begin
if Slk_Color (C_Short (Pair)) = Curses_Err then
raise Curses_Exception;
end if;
end Set_Soft_Label_Key_Color;
------------------------------------------------------------------------------
procedure Enable_Key (Key : Special_Key_Code;
Enable : Boolean := True)
is
function Keyok (Keycode : C_Int;
On_Off : Curses_Bool) return C_Int;
pragma Import (C, Keyok, "keyok");
begin
if Keyok (C_Int (Key), Curses_Bool (Boolean'Pos (Enable)))
= Curses_Err
then
raise Curses_Exception;
end if;
end Enable_Key;
------------------------------------------------------------------------------
procedure Define_Key (Definition : String;
Key : Special_Key_Code)
is
function Defkey (Def : char_array;
Key : C_Int) return C_Int;
pragma Import (C, Defkey, "define_key");
Txt : char_array (0 .. Definition'Length);
Length : size_t;
begin
To_C (Definition, Txt, Length);
if Defkey (Txt, C_Int (Key)) = Curses_Err then
raise Curses_Exception;
end if;
end Define_Key;
------------------------------------------------------------------------------
procedure Un_Control (Ch : Attributed_Character;
Str : out String)
is
function Unctrl (Ch : Attributed_Character) return chars_ptr;
pragma Import (C, Unctrl, "unctrl");
begin
Fill_String (Unctrl (Ch), Str);
end Un_Control;
function Un_Control (Ch : Attributed_Character) return String
is
function Unctrl (Ch : Attributed_Character) return chars_ptr;
pragma Import (C, Unctrl, "unctrl");
begin
return Fill_String (Unctrl (Ch));
end Un_Control;
procedure Delay_Output (Msecs : Natural)
is
function Delayoutput (Msecs : C_Int) return C_Int;
pragma Import (C, Delayoutput, "delay_output");
begin
if Delayoutput (C_Int (Msecs)) = Curses_Err then
raise Curses_Exception;
end if;
end Delay_Output;
procedure Flush_Input
is
function Flushinp return C_Int;
pragma Import (C, Flushinp, "flushinp");
begin
if Flushinp = Curses_Err then -- docu says that never happens, but...
raise Curses_Exception;
end if;
end Flush_Input;
------------------------------------------------------------------------------
function Baudrate return Natural
is
function Baud return C_Int;
pragma Import (C, Baud, "baudrate");
begin
return Natural (Baud);
end Baudrate;
function Erase_Character return Character
is
function Erasechar return C_Int;
pragma Import (C, Erasechar, "erasechar");
begin
return Character'Val (Erasechar);
end Erase_Character;
function Kill_Character return Character
is
function Killchar return C_Int;
pragma Import (C, Killchar, "killchar");
begin
return Character'Val (Killchar);
end Kill_Character;
function Has_Insert_Character return Boolean
is
function Has_Ic return Curses_Bool;
pragma Import (C, Has_Ic, "has_ic");
begin
if Has_Ic = Curses_Bool_False then
return False;
else
return True;
end if;
end Has_Insert_Character;
function Has_Insert_Line return Boolean
is
function Has_Il return Curses_Bool;
pragma Import (C, Has_Il, "has_il");
begin
if Has_Il = Curses_Bool_False then
return False;
else
return True;
end if;
end Has_Insert_Line;
function Supported_Attributes return Character_Attribute_Set
is
function Termattrs return Attributed_Character;
pragma Import (C, Termattrs, "termattrs");
Ch : constant Attributed_Character := Termattrs;
begin
return Ch.Attr;
end Supported_Attributes;
procedure Long_Name (Name : out String)
is
function Longname return chars_ptr;
pragma Import (C, Longname, "longname");
begin
Fill_String (Longname, Name);
end Long_Name;
function Long_Name return String
is
function Longname return chars_ptr;
pragma Import (C, Longname, "longname");
begin
return Fill_String (Longname);
end Long_Name;
procedure Terminal_Name (Name : out String)
is
function Termname return chars_ptr;
pragma Import (C, Termname, "termname");
begin
Fill_String (Termname, Name);
end Terminal_Name;
function Terminal_Name return String
is
function Termname return chars_ptr;
pragma Import (C, Termname, "termname");
begin
return Fill_String (Termname);
end Terminal_Name;
------------------------------------------------------------------------------
procedure Init_Pair (Pair : Redefinable_Color_Pair;
Fore : Color_Number;
Back : Color_Number)
is
function Initpair (Pair : C_Short;
Fore : C_Short;
Back : C_Short) return C_Int;
pragma Import (C, Initpair, "init_pair");
begin
if Integer (Pair) >= Number_Of_Color_Pairs then
raise Constraint_Error;
end if;
if Integer (Fore) >= Number_Of_Colors or else
Integer (Back) >= Number_Of_Colors
then
raise Constraint_Error;
end if;
if Initpair (C_Short (Pair), C_Short (Fore), C_Short (Back))
= Curses_Err
then
raise Curses_Exception;
end if;
end Init_Pair;
procedure Pair_Content (Pair : Color_Pair;
Fore : out Color_Number;
Back : out Color_Number)
is
type C_Short_Access is access all C_Short;
function Paircontent (Pair : C_Short;
Fp : C_Short_Access;
Bp : C_Short_Access) return C_Int;
pragma Import (C, Paircontent, "pair_content");
F, B : aliased C_Short;
begin
if Paircontent (C_Short (Pair), F'Access, B'Access) = Curses_Err then
raise Curses_Exception;
else
Fore := Color_Number (F);
Back := Color_Number (B);
end if;
end Pair_Content;
function Has_Colors return Boolean
is
function Hascolors return Curses_Bool;
pragma Import (C, Hascolors, "has_colors");
begin
if Hascolors = Curses_Bool_False then
return False;
else
return True;
end if;
end Has_Colors;
procedure Init_Color (Color : Color_Number;
Red : RGB_Value;
Green : RGB_Value;
Blue : RGB_Value)
is
function Initcolor (Col : C_Short;
Red : C_Short;
Green : C_Short;
Blue : C_Short) return C_Int;
pragma Import (C, Initcolor, "init_color");
begin
if Initcolor (C_Short (Color), C_Short (Red), C_Short (Green),
C_Short (Blue)) = Curses_Err
then
raise Curses_Exception;
end if;
end Init_Color;
function Can_Change_Color return Boolean
is
function Canchangecolor return Curses_Bool;
pragma Import (C, Canchangecolor, "can_change_color");
begin
if Canchangecolor = Curses_Bool_False then
return False;
else
return True;
end if;
end Can_Change_Color;
procedure Color_Content (Color : Color_Number;
Red : out RGB_Value;
Green : out RGB_Value;
Blue : out RGB_Value)
is
type C_Short_Access is access all C_Short;
function Colorcontent (Color : C_Short; R, G, B : C_Short_Access)
return C_Int;
pragma Import (C, Colorcontent, "color_content");
R, G, B : aliased C_Short;
begin
if Colorcontent (C_Short (Color), R'Access, G'Access, B'Access) =
Curses_Err
then
raise Curses_Exception;
else
Red := RGB_Value (R);
Green := RGB_Value (G);
Blue := RGB_Value (B);
end if;
end Color_Content;
------------------------------------------------------------------------------
procedure Save_Curses_Mode (Mode : Curses_Mode)
is
function Def_Prog_Mode return C_Int;
pragma Import (C, Def_Prog_Mode, "def_prog_mode");
function Def_Shell_Mode return C_Int;
pragma Import (C, Def_Shell_Mode, "def_shell_mode");
Err : C_Int;
begin
case Mode is
when Curses => Err := Def_Prog_Mode;
when Shell => Err := Def_Shell_Mode;
end case;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Save_Curses_Mode;
procedure Reset_Curses_Mode (Mode : Curses_Mode)
is
function Reset_Prog_Mode return C_Int;
pragma Import (C, Reset_Prog_Mode, "reset_prog_mode");
function Reset_Shell_Mode return C_Int;
pragma Import (C, Reset_Shell_Mode, "reset_shell_mode");
Err : C_Int;
begin
case Mode is
when Curses => Err := Reset_Prog_Mode;
when Shell => Err := Reset_Shell_Mode;
end case;
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Reset_Curses_Mode;
procedure Save_Terminal_State
is
function Savetty return C_Int;
pragma Import (C, Savetty, "savetty");
begin
if Savetty = Curses_Err then
raise Curses_Exception;
end if;
end Save_Terminal_State;
procedure Reset_Terminal_State
is
function Resetty return C_Int;
pragma Import (C, Resetty, "resetty");
begin
if Resetty = Curses_Err then
raise Curses_Exception;
end if;
end Reset_Terminal_State;
procedure Rip_Off_Lines (Lines : Integer;
Proc : Stdscr_Init_Proc)
is
function Ripoffline (Lines : C_Int;
Proc : Stdscr_Init_Proc) return C_Int;
pragma Import (C, Ripoffline, "_nc_ripoffline");
begin
if Ripoffline (C_Int (Lines), Proc) = Curses_Err then
raise Curses_Exception;
end if;
end Rip_Off_Lines;
procedure Set_Cursor_Visibility (Visibility : in out Cursor_Visibility)
is
function Curs_Set (Curs : C_Int) return C_Int;
pragma Import (C, Curs_Set, "curs_set");
Res : C_Int;
begin
Res := Curs_Set (Cursor_Visibility'Pos (Visibility));
if Res /= Curses_Err then
Visibility := Cursor_Visibility'Val (Res);
end if;
end Set_Cursor_Visibility;
procedure Nap_Milli_Seconds (Ms : Natural)
is
function Napms (Ms : C_Int) return C_Int;
pragma Import (C, Napms, "napms");
begin
if Napms (C_Int (Ms)) = Curses_Err then
raise Curses_Exception;
end if;
end Nap_Milli_Seconds;
------------------------------------------------------------------------------
function Lines return Line_Count
is
function LINES_As_Function return Interfaces.C.int;
pragma Import (C, LINES_As_Function, "LINES_as_function");
begin
return Line_Count (LINES_As_Function);
end Lines;
function Columns return Column_Count
is
function COLS_As_Function return Interfaces.C.int;
pragma Import (C, COLS_As_Function, "COLS_as_function");
begin
return Column_Count (COLS_As_Function);
end Columns;
function Tab_Size return Natural
is
function TABSIZE_As_Function return Interfaces.C.int;
pragma Import (C, TABSIZE_As_Function, "TABSIZE_as_function");
begin
return Natural (TABSIZE_As_Function);
end Tab_Size;
function Number_Of_Colors return Natural
is
function COLORS_As_Function return Interfaces.C.int;
pragma Import (C, COLORS_As_Function, "COLORS_as_function");
begin
return Natural (COLORS_As_Function);
end Number_Of_Colors;
function Number_Of_Color_Pairs return Natural
is
function COLOR_PAIRS_As_Function return Interfaces.C.int;
pragma Import (C, COLOR_PAIRS_As_Function, "COLOR_PAIRS_as_function");
begin
return Natural (COLOR_PAIRS_As_Function);
end Number_Of_Color_Pairs;
------------------------------------------------------------------------------
procedure Transform_Coordinates
(W : Window := Standard_Window;
Line : in out Line_Position;
Column : in out Column_Position;
Dir : Transform_Direction := From_Screen)
is
type Int_Access is access all C_Int;
function Transform (W : Window;
Y, X : Int_Access;
Dir : Curses_Bool) return C_Int;
pragma Import (C, Transform, "wmouse_trafo");
X : aliased C_Int := C_Int (Column);
Y : aliased C_Int := C_Int (Line);
D : Curses_Bool := Curses_Bool_False;
R : C_Int;
begin
if Dir = To_Screen then
D := 1;
end if;
R := Transform (W, Y'Access, X'Access, D);
if R = Curses_False then
raise Curses_Exception;
else
Line := Line_Position (Y);
Column := Column_Position (X);
end if;
end Transform_Coordinates;
------------------------------------------------------------------------------
procedure Use_Default_Colors is
function C_Use_Default_Colors return C_Int;
pragma Import (C, C_Use_Default_Colors, "use_default_colors");
Err : constant C_Int := C_Use_Default_Colors;
begin
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Use_Default_Colors;
procedure Assume_Default_Colors (Fore : Color_Number := Default_Color;
Back : Color_Number := Default_Color)
is
function C_Assume_Default_Colors (Fore : C_Int;
Back : C_Int) return C_Int;
pragma Import (C, C_Assume_Default_Colors, "assume_default_colors");
Err : constant C_Int := C_Assume_Default_Colors (C_Int (Fore),
C_Int (Back));
begin
if Err = Curses_Err then
raise Curses_Exception;
end if;
end Assume_Default_Colors;
------------------------------------------------------------------------------
function Curses_Version return String
is
function curses_versionC return chars_ptr;
pragma Import (C, curses_versionC, "curses_version");
Result : constant chars_ptr := curses_versionC;
begin
return Fill_String (Result);
end Curses_Version;
------------------------------------------------------------------------------
procedure Curses_Free_All is
procedure curses_freeall;
pragma Import (C, curses_freeall, "_nc_freeall");
begin
-- Use this only for testing: you cannot use curses after calling it,
-- so it has to be the "last" thing done before exiting the program.
-- This will not really free ALL of memory used by curses. That is
-- because it cannot free the memory used for stdout's setbuf. The
-- _nc_free_and_exit() procedure can do that, but it can be invoked
-- safely only from C - and again, that only as the "last" thing done
-- before exiting the program.
curses_freeall;
end Curses_Free_All;
------------------------------------------------------------------------------
function Use_Extended_Names (Enable : Boolean) return Boolean
is
function use_extended_namesC (e : Curses_Bool) return C_Int;
pragma Import (C, use_extended_namesC, "use_extended_names");
Res : constant C_Int :=
use_extended_namesC (Curses_Bool (Boolean'Pos (Enable)));
begin
if Res = C_Int (Curses_Bool_False) then
return False;
else
return True;
end if;
end Use_Extended_Names;
------------------------------------------------------------------------------
procedure Screen_Dump_To_File (Filename : String)
is
function scr_dump (f : char_array) return C_Int;
pragma Import (C, scr_dump, "scr_dump");
Txt : char_array (0 .. Filename'Length);
Length : size_t;
begin
To_C (Filename, Txt, Length);
if Curses_Err = scr_dump (Txt) then
raise Curses_Exception;
end if;
end Screen_Dump_To_File;
procedure Screen_Restore_From_File (Filename : String)
is
function scr_restore (f : char_array) return C_Int;
pragma Import (C, scr_restore, "scr_restore");
Txt : char_array (0 .. Filename'Length);
Length : size_t;
begin
To_C (Filename, Txt, Length);
if Curses_Err = scr_restore (Txt) then
raise Curses_Exception;
end if;
end Screen_Restore_From_File;
procedure Screen_Init_From_File (Filename : String)
is
function scr_init (f : char_array) return C_Int;
pragma Import (C, scr_init, "scr_init");
Txt : char_array (0 .. Filename'Length);
Length : size_t;
begin
To_C (Filename, Txt, Length);
if Curses_Err = scr_init (Txt) then
raise Curses_Exception;
end if;
end Screen_Init_From_File;
procedure Screen_Set_File (Filename : String)
is
function scr_set (f : char_array) return C_Int;
pragma Import (C, scr_set, "scr_set");
Txt : char_array (0 .. Filename'Length);
Length : size_t;
begin
To_C (Filename, Txt, Length);
if Curses_Err = scr_set (Txt) then
raise Curses_Exception;
end if;
end Screen_Set_File;
------------------------------------------------------------------------------
procedure Resize (Win : Window := Standard_Window;
Number_Of_Lines : Line_Count;
Number_Of_Columns : Column_Count) is
function wresize (win : Window;
lines : C_Int;
columns : C_Int) return C_Int;
pragma Import (C, wresize);
begin
if wresize (Win,
C_Int (Number_Of_Lines),
C_Int (Number_Of_Columns)) = Curses_Err
then
raise Curses_Exception;
end if;
end Resize;
------------------------------------------------------------------------------
end Terminal_Interface.Curses;
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