--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- GNAT ncurses Binding --
+-- --
+-- Terminal_Interface.Curses --
+-- --
+-- B O D Y --
+-- --
+------------------------------------------------------------------------------
+-- Copyright (c) 1998 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 <juergen.pfeifer@gmx.net> 1996
+-- Version Control:
+-- $Revision: 1.25 $
+-- 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 Interfaces.C.Pointers;
+with Ada.Characters.Handling; use Ada.Characters.Handling;
+with Ada.Strings.Fixed;
+with Ada.Unchecked_Conversion;
+
+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);
+
+------------------------------------------------------------------------------
+ generic
+ type Element is (<>);
+ function W_Get_Element (Win : in Window;
+ Offset : in Natural) return Element;
+
+ function W_Get_Element (Win : in Window;
+ Offset : in Natural) return Element is
+ type E_Array is array (Natural range <>) of aliased Element;
+ package C_E_Array is new
+ Interfaces.C.Pointers (Natural, Element, E_Array, Element'Val (0));
+ use C_E_Array;
+
+ function To_Pointer is new
+ Ada.Unchecked_Conversion (Window, Pointer);
+
+ P : Pointer := To_Pointer (Win);
+ begin
+ if Win = Null_Window then
+ raise Curses_Exception;
+ else
+ P := P + ptrdiff_t (Offset);
+ return P.all;
+ end if;
+ end W_Get_Element;
+
+ function W_Get_Int is new W_Get_Element (C_Int);
+ function W_Get_Short is new W_Get_Element (C_Short);
+ function W_Get_Byte is new W_Get_Element (Interfaces.C.unsigned_char);
+
+------------------------------------------------------------------------------
+ function Key_Name (Key : in 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 : in 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 : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in 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 : in Window := Standard_Window;
+ Ch : in Attributed_Character)
+ is
+ function Waddch (W : Window;
+ Ch : C_Chtype) return C_Int;
+ pragma Import (C, Waddch, "waddch");
+ begin
+ if Waddch (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Add;
+
+ procedure Add (Win : in Window := Standard_Window;
+ Ch : in Character)
+ is
+ begin
+ Add (Win,
+ Attributed_Character'(Ch => Ch,
+ Color => Color_Pair'First,
+ Attr => Normal_Video));
+ end Add;
+
+ procedure Add
+ (Win : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Ch : in Attributed_Character)
+ is
+ function mvwaddch (W : Window;
+ Y : C_Int;
+ X : C_Int;
+ Ch : C_Chtype) return C_Int;
+ pragma Import (C, mvwaddch, "mvwaddch");
+ begin
+ if mvwaddch (Win, C_Int (Line),
+ C_Int (Column),
+ AttrChar_To_Chtype (Ch)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Add;
+
+ procedure Add
+ (Win : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Ch : in 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 : in Window := Standard_Window;
+ Ch : in Attributed_Character)
+ is
+ function Wechochar (W : Window;
+ Ch : C_Chtype) return C_Int;
+ pragma Import (C, Wechochar, "wechochar");
+ begin
+ if Wechochar (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Add_With_Immediate_Echo;
+
+ procedure Add_With_Immediate_Echo
+ (Win : in Window := Standard_Window;
+ Ch : in 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 : Window := Dupwin (Win);
+ begin
+ if W = Null_Window then
+ raise Curses_Exception;
+ end if;
+ return W;
+ end Duplicate;
+
+ procedure Move_Window (Win : in Window;
+ Line : in Line_Position;
+ Column : in 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 : in Window;
+ Line : in Line_Position;
+ Column : in 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 : in Window := Standard_Window;
+ Mode : in 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 : in Window := Standard_Window;
+ Str : in String;
+ Len : in Integer := -1)
+ is
+ type Char_Ptr is access all Interfaces.C.char;
+ function Waddnstr (Win : Window;
+ Str : Char_Ptr;
+ 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 (Txt'First)'Access, C_Int (Len)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Add;
+
+ procedure Add
+ (Win : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Str : in String;
+ Len : in Integer := -1)
+ is
+ begin
+ Move_Cursor (Win, Line, Column);
+ Add (Win, Str, Len);
+ end Add;
+------------------------------------------------------------------------------
+ procedure Add
+ (Win : in Window := Standard_Window;
+ Str : in Attributed_String;
+ Len : in Integer := -1)
+ is
+ type Chtype_Ptr is access all Attributed_Character;
+ function Waddchnstr (Win : Window;
+ Str : Chtype_Ptr;
+ 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 (Txt'First)'Access,
+ C_Int (Len)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Add;
+
+ procedure Add
+ (Win : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Str : in Attributed_String;
+ Len : in Integer := -1)
+ is
+ begin
+ Move_Cursor (Win, Line, Column);
+ Add (Win, Str, Len);
+ end Add;
+------------------------------------------------------------------------------
+ procedure Border
+ (Win : in Window := Standard_Window;
+ Left_Side_Symbol : in Attributed_Character := Default_Character;
+ Right_Side_Symbol : in Attributed_Character := Default_Character;
+ Top_Side_Symbol : in Attributed_Character := Default_Character;
+ Bottom_Side_Symbol : in Attributed_Character := Default_Character;
+ Upper_Left_Corner_Symbol : in Attributed_Character := Default_Character;
+ Upper_Right_Corner_Symbol : in Attributed_Character := Default_Character;
+ Lower_Left_Corner_Symbol : in Attributed_Character := Default_Character;
+ Lower_Right_Corner_Symbol : in Attributed_Character := Default_Character)
+ is
+ function Wborder (W : Window;
+ LS : C_Chtype;
+ RS : C_Chtype;
+ TS : C_Chtype;
+ BS : C_Chtype;
+ ULC : C_Chtype;
+ URC : C_Chtype;
+ LLC : C_Chtype;
+ LRC : C_Chtype) return C_Int;
+ pragma Import (C, Wborder, "wborder");
+ begin
+ if Wborder (Win,
+ AttrChar_To_Chtype (Left_Side_Symbol),
+ AttrChar_To_Chtype (Right_Side_Symbol),
+ AttrChar_To_Chtype (Top_Side_Symbol),
+ AttrChar_To_Chtype (Bottom_Side_Symbol),
+ AttrChar_To_Chtype (Upper_Left_Corner_Symbol),
+ AttrChar_To_Chtype (Upper_Right_Corner_Symbol),
+ AttrChar_To_Chtype (Lower_Left_Corner_Symbol),
+ AttrChar_To_Chtype (Lower_Right_Corner_Symbol)
+ ) = Curses_Err
+ then
+ raise Curses_Exception;
+ end if;
+ end Border;
+
+ procedure Box
+ (Win : in Window := Standard_Window;
+ Vertical_Symbol : in Attributed_Character := Default_Character;
+ Horizontal_Symbol : in Attributed_Character := Default_Character)
+ is
+ begin
+ Border (Win,
+ Vertical_Symbol, Vertical_Symbol,
+ Horizontal_Symbol, Horizontal_Symbol);
+ end Box;
+
+ procedure Horizontal_Line
+ (Win : in Window := Standard_Window;
+ Line_Size : in Natural;
+ Line_Symbol : in Attributed_Character := Default_Character)
+ is
+ function Whline (W : Window;
+ Ch : C_Chtype;
+ Len : C_Int) return C_Int;
+ pragma Import (C, Whline, "whline");
+ begin
+ if Whline (Win,
+ AttrChar_To_Chtype (Line_Symbol),
+ C_Int (Line_Size)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Horizontal_Line;
+
+ procedure Vertical_Line
+ (Win : in Window := Standard_Window;
+ Line_Size : in Natural;
+ Line_Symbol : in Attributed_Character := Default_Character)
+ is
+ function Wvline (W : Window;
+ Ch : C_Chtype;
+ Len : C_Int) return C_Int;
+ pragma Import (C, Wvline, "wvline");
+ begin
+ if Wvline (Win,
+ AttrChar_To_Chtype (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 : in 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 Switch_Character_Attribute
+ (Win : in Window := Standard_Window;
+ Attr : in Character_Attribute_Set := Normal_Video;
+ On : in Boolean := True)
+ is
+ function Wattron (Win : Window;
+ C_Attr : C_AttrType) return C_Int;
+ pragma Import (C, Wattron, "wattr_on");
+ function Wattroff (Win : Window;
+ C_Attr : C_AttrType) 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, AttrChar_To_AttrType (AC));
+ else
+ Err := Wattroff (Win, AttrChar_To_AttrType (AC));
+ end if;
+ if Err = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Switch_Character_Attribute;
+
+ procedure Set_Character_Attributes
+ (Win : in Window := Standard_Window;
+ Attr : in Character_Attribute_Set := Normal_Video;
+ Color : in Color_Pair := Color_Pair'First)
+ is
+ function Wattrset (Win : Window;
+ C_Attr : C_AttrType) return C_Int;
+ pragma Import (C, Wattrset, "wattrset"); -- ??? wattr_set
+ begin
+ if Wattrset (Win,
+ AttrChar_To_AttrType (Attributed_Character'
+ (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 C_AttrType;
+ Col : access C_Short;
+ Opt : System.Address) return C_Int;
+ pragma Import (C, Wattrget, "wattr_get");
+
+ Attr : aliased C_AttrType;
+ Col : aliased C_Short;
+ Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access,
+ System.Null_Address);
+ Ch : Attributed_Character;
+ begin
+ if Res = Curses_Ok then
+ Ch := AttrType_To_AttrChar (Attr);
+ return Ch.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 C_AttrType;
+ Col : access C_Short;
+ Opt : System.Address) return C_Int;
+ pragma Import (C, Wattrget, "wattr_get");
+
+ Attr : aliased C_AttrType;
+ Col : aliased C_Short;
+ Res : constant C_Int := Wattrget (Win, Attr'Access, Col'Access,
+ System.Null_Address);
+ Ch : Attributed_Character;
+ begin
+ if Res = Curses_Ok then
+ Ch := AttrType_To_AttrChar (Attr);
+ return Ch.Color;
+ else
+ raise Curses_Exception;
+ end if;
+ end Get_Character_Attribute;
+
+ procedure Set_Color (Win : in Window := Standard_Window;
+ Pair : in 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 : in Window := Standard_Window;
+ Count : in Integer := -1;
+ Attr : in Character_Attribute_Set := Normal_Video;
+ Color : in Color_Pair := Color_Pair'First)
+ is
+ function Wchgat (Win : Window;
+ Cnt : C_Int;
+ Attr : C_AttrType;
+ Color : C_Short;
+ Opts : System.Address := System.Null_Address)
+ return C_Int;
+ pragma Import (C, Wchgat, "wchgat");
+
+ Ch : constant Attributed_Character :=
+ (Ch => Character'First, Color => Color_Pair'First, Attr => Attr);
+ begin
+ if Wchgat (Win, C_Int (Count), AttrChar_To_AttrType (Ch),
+ C_Short (Color)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Change_Attributes;
+
+ procedure Change_Attributes
+ (Win : in Window := Standard_Window;
+ Line : in Line_Position := Line_Position'First;
+ Column : in Column_Position := Column_Position'First;
+ Count : in Integer := -1;
+ Attr : in Character_Attribute_Set := Normal_Video;
+ Color : in 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 : in 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 : in 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 : in 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 : in Window := Standard_Window;
+ SwitchOn : in 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 : in Window := Standard_Window;
+ SwitchOn : in 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;
+
+ procedure Half_Delay (Amount : in 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 : in Window := Standard_Window;
+ Mode : in 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 : in Window := Standard_Window;
+ Flush : in Boolean := True)
+ is
+ procedure Qiflush;
+ pragma Import (C, Qiflush, "qiflush");
+ procedure No_Qiflush;
+ pragma Import (C, No_Qiflush, "noqiflush");
+ begin
+ if Flush then
+ Qiflush;
+ else
+ No_Qiflush;
+ end if;
+ end Set_Queue_Interrupt_Mode;
+
+ procedure Set_NoDelay_Mode
+ (Win : in Window := Standard_Window;
+ Mode : in 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 : in Window := Standard_Window;
+ Mode : in Timeout_Mode;
+ Amount : in Natural)
+ is
+ function Wtimeout (Win : Window; Amount : C_Int) return 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;
+ if Wtimeout (Win, Time) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Set_Timeout_Mode;
+
+ procedure Set_Escape_Timer_Mode
+ (Win : in Window := Standard_Window;
+ Timer_Off : in 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 : in 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 : in Window := Standard_Window;
+ Do_Clear : in 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 : in Window := Standard_Window;
+ Do_Idl : in 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 : in Window := Standard_Window;
+ Do_Idc : in Boolean := True)
+ is
+ function IDC_Ok (W : Window; Flag : Curses_Bool) return C_Int;
+ pragma Import (C, IDC_Ok, "idcok");
+ begin
+ if IDC_Ok (Win, Curses_Bool (Boolean'Pos (Do_Idc))) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Use_Insert_Delete_Character;
+
+ procedure Leave_Cursor_After_Update
+ (Win : in Window := Standard_Window;
+ Do_Leave : in 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 : in Window := Standard_Window;
+ Mode : in Boolean := False)
+ is
+ function Immedok (Win : Window; Mode : Curses_Bool) return C_Int;
+ pragma Import (C, Immedok, "immedok");
+ begin
+ if Immedok (Win, Curses_Bool (Boolean'Pos (Mode))) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Immediate_Update_Mode;
+
+ procedure Allow_Scrolling
+ (Win : in Window := Standard_Window;
+ Mode : in 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
+ Res : C_Int;
+ begin
+ case Sizeof_bool is
+ when 1 => Res := C_Int (W_Get_Byte (Win, Offset_scroll));
+ when 2 => Res := C_Int (W_Get_Short (Win, Offset_scroll));
+ when 4 => Res := C_Int (W_Get_Int (Win, Offset_scroll));
+ when others => raise Curses_Exception;
+ end case;
+
+ case Res is
+ when 0 => return False;
+ when others => return True;
+ end case;
+ end Scrolling_Allowed;
+
+ procedure Set_Scroll_Region
+ (Win : in Window := Standard_Window;
+ Top_Line : in Line_Position;
+ Bottom_Line : in 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 : in 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 : in 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 : in 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 : in Window := Standard_Window;
+ Begin_Line : in Line_Position;
+ Line_Count : in 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 : in 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 : in 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 : in 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 : in 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 : in Window := Standard_Window;
+ Ch : in Attributed_Character)
+ is
+ procedure WBackground (W : in Window; Ch : in C_Chtype);
+ pragma Import (C, WBackground, "wbkgdset");
+ begin
+ WBackground (Win, AttrChar_To_Chtype (Ch));
+ end Set_Background;
+
+ procedure Change_Background
+ (Win : in Window := Standard_Window;
+ Ch : in Attributed_Character)
+ is
+ function WChangeBkgd (W : Window; Ch : C_Chtype) return C_Int;
+ pragma Import (C, WChangeBkgd, "wbkgd");
+ begin
+ if WChangeBkgd (Win, AttrChar_To_Chtype (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 C_Chtype;
+ pragma Import (C, Wgetbkgd, "getbkgd");
+ begin
+ return Chtype_To_AttrChar (Wgetbkgd (Win));
+ end Get_Background;
+------------------------------------------------------------------------------
+ procedure Change_Lines_Status (Win : in Window := Standard_Window;
+ Start : in Line_Position;
+ Count : in Positive;
+ State : in 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 : in Window := Standard_Window)
+ is
+ Y : Line_Position;
+ X : Column_Position;
+ begin
+ Get_Size (Win, Y, X);
+ Change_Lines_Status (Win, 0, Positive (Y), True);
+ end Touch;
+
+ procedure Untouch (Win : in Window := Standard_Window)
+ is
+ Y : Line_Position;
+ X : Column_Position;
+ begin
+ Get_Size (Win, Y, X);
+ Change_Lines_Status (Win, 0, Positive (Y), False);
+ end Untouch;
+
+ procedure Touch (Win : in Window := Standard_Window;
+ Start : in Line_Position;
+ Count : in 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 : in Window;
+ Destination_Window : in Window;
+ Source_Top_Row : in Line_Position;
+ Source_Left_Column : in Column_Position;
+ Destination_Top_Row : in Line_Position;
+ Destination_Left_Column : in Column_Position;
+ Destination_Bottom_Row : in Line_Position;
+ Destination_Right_Column : in Column_Position;
+ Non_Destructive_Mode : in 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 : in Window;
+ Destination_Window : in 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 : in Window;
+ Destination_Window : in 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 : in Window := Standard_Window;
+ Lines : in 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 : in Window := Standard_Window)
+ is
+ begin
+ Insert_Delete_Lines (Win, -1);
+ end Delete_Line;
+
+ procedure Insert_Line (Win : in Window := Standard_Window)
+ is
+ begin
+ Insert_Delete_Lines (Win, 1);
+ end Insert_Line;
+------------------------------------------------------------------------------
+
+
+ procedure Get_Size
+ (Win : in Window := Standard_Window;
+ Number_Of_Lines : out Line_Count;
+ Number_Of_Columns : out Column_Count)
+ is
+ -- Please note: in ncurses they are one off.
+ -- This might be different in other implementations of curses
+ Y : C_Int := C_Int (W_Get_Short (Win, Offset_maxy)) + C_Int (Offset_XY);
+ X : C_Int := C_Int (W_Get_Short (Win, Offset_maxx)) + C_Int (Offset_XY);
+ begin
+ Number_Of_Lines := Line_Count (Y);
+ Number_Of_Columns := Column_Count (X);
+ end Get_Size;
+
+ procedure Get_Window_Position
+ (Win : in Window := Standard_Window;
+ Top_Left_Line : out Line_Position;
+ Top_Left_Column : out Column_Position)
+ is
+ Y : C_Short := W_Get_Short (Win, Offset_begy);
+ X : C_Short := W_Get_Short (Win, Offset_begx);
+ begin
+ Top_Left_Line := Line_Position (Y);
+ Top_Left_Column := Column_Position (X);
+ end Get_Window_Position;
+
+ procedure Get_Cursor_Position
+ (Win : in Window := Standard_Window;
+ Line : out Line_Position;
+ Column : out Column_Position)
+ is
+ Y : C_Short := W_Get_Short (Win, Offset_cury);
+ X : C_Short := W_Get_Short (Win, Offset_curx);
+ begin
+ Line := Line_Position (Y);
+ Column := Column_Position (X);
+ end Get_Cursor_Position;
+
+ procedure Get_Origin_Relative_To_Parent
+ (Win : in Window;
+ Top_Left_Line : out Line_Position;
+ Top_Left_Column : out Column_Position;
+ Is_Not_A_Subwindow : out Boolean)
+ is
+ Y : C_Int := W_Get_Int (Win, Offset_pary);
+ X : C_Int := W_Get_Int (Win, Offset_parx);
+ 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 : in Window;
+ Source_Top_Row : in Line_Position;
+ Source_Left_Column : in Column_Position;
+ Destination_Top_Row : in Line_Position;
+ Destination_Left_Column : in Column_Position;
+ Destination_Bottom_Row : in Line_Position;
+ Destination_Right_Column : in 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 : in Window;
+ Source_Top_Row : in Line_Position;
+ Source_Left_Column : in Column_Position;
+ Destination_Top_Row : in Line_Position;
+ Destination_Left_Column : in Column_Position;
+ Destination_Bottom_Row : in Line_Position;
+ Destination_Right_Column : in 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 : in Window;
+ Ch : in Attributed_Character)
+ is
+ function Pechochar (Pad : Window; Ch : C_Chtype)
+ return C_Int;
+ pragma Import (C, Pechochar, "pechochar");
+ begin
+ if Pechochar (Pad, AttrChar_To_Chtype (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 : in Window;
+ Ch : in 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 : in Window := Standard_Window;
+ Amount : in 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 : in 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 : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in 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 C_Chtype;
+ pragma Import (C, Winch, "winch");
+ begin
+ return Chtype_To_AttrChar (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 C_Chtype;
+ pragma Import (C, Mvwinch, "mvwinch");
+ begin
+ return Chtype_To_AttrChar (Mvwinch (Win, C_Int (Line), C_Int (Column)));
+ end Peek;
+------------------------------------------------------------------------------
+ procedure Insert (Win : in Window := Standard_Window;
+ Ch : in Attributed_Character)
+ is
+ function Winsch (Win : Window; Ch : C_Chtype) return C_Int;
+ pragma Import (C, Winsch, "winsch");
+ begin
+ if Winsch (Win, AttrChar_To_Chtype (Ch)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Insert;
+
+ procedure Insert
+ (Win : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Ch : in Attributed_Character)
+ is
+ function Mvwinsch (Win : Window;
+ Lin : C_Int;
+ Col : C_Int;
+ Ch : C_Chtype) return C_Int;
+ pragma Import (C, Mvwinsch, "mvwinsch");
+ begin
+ if Mvwinsch (Win,
+ C_Int (Line),
+ C_Int (Column),
+ AttrChar_To_Chtype (Ch)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Insert;
+------------------------------------------------------------------------------
+ procedure Insert (Win : in Window := Standard_Window;
+ Str : in String;
+ Len : in Integer := -1)
+ is
+ type Char_Ptr is access all Interfaces.C.char;
+ function Winsnstr (Win : Window;
+ Str : Char_Ptr;
+ 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 (Txt'First)'Access, Len) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Insert;
+
+ procedure Insert
+ (Win : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Str : in String;
+ Len : in Integer := -1)
+ is
+ type Char_Ptr is access all Interfaces.C.char;
+ function Mvwinsnstr (Win : Window;
+ Line : C_Int;
+ Column : C_Int;
+ Str : Char_Ptr;
+ 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 (Txt'First)'Access, C_Int (Len))
+ = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Insert;
+------------------------------------------------------------------------------
+ procedure Peek (Win : in Window := Standard_Window;
+ Str : out String;
+ Len : in 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 : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Str : out String;
+ Len : in Integer := -1)
+ is
+ begin
+ Move_Cursor (Win, Line, Column);
+ Peek (Win, Str, Len);
+ end Peek;
+------------------------------------------------------------------------------
+ procedure Peek
+ (Win : in Window := Standard_Window;
+ Str : out Attributed_String;
+ Len : in Integer := -1)
+ is
+ type Chtype_Ptr is access all Attributed_Character;
+ function Winchnstr (Win : Window;
+ Str : Chtype_Ptr;
+ Len : C_Int) return C_Int;
+ pragma Import (C, Winchnstr, "winchnstr");
+
+ N : Integer := Len;
+ Txt : chtype_array (0 .. Str'Length);
+ 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 (Txt'First)'Access, 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 : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Str : out Attributed_String;
+ Len : in Integer := -1)
+ is
+ begin
+ Move_Cursor (Win, Line, Column);
+ Peek (Win, Str, Len);
+ end Peek;
+------------------------------------------------------------------------------
+ procedure Get (Win : in Window := Standard_Window;
+ Str : out String;
+ Len : in 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 : in Window := Standard_Window;
+ Line : in Line_Position;
+ Column : in Column_Position;
+ Str : out String;
+ Len : in Integer := -1)
+ is
+ begin
+ Move_Cursor (Win, Line, Column);
+ Get (Win, Str, Len);
+ end Get;
+------------------------------------------------------------------------------
+ procedure Init_Soft_Label_Keys
+ (Format : in 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 : in Label_Number;
+ Text : in String;
+ Fmt : in Label_Justification := Left)
+ is
+ type Char_Ptr is access all Interfaces.C.char;
+ function Slk_Set (Label : C_Int;
+ Txt : Char_Ptr;
+ 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 (Txt'First)'Access,
+ 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 : in 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 : in 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 : in Character_Attribute_Set;
+ On : in Boolean := True)
+ is
+ function Slk_Attron (Ch : C_Chtype) return C_Int;
+ pragma Import (C, Slk_Attron, "slk_attron");
+ function Slk_Attroff (Ch : C_Chtype) 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 (AttrChar_To_Chtype (Ch));
+ else
+ Err := Slk_Attroff (AttrChar_To_Chtype (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 : in Character_Attribute_Set := Normal_Video;
+ Color : in Color_Pair := Color_Pair'First)
+ is
+ function Slk_Attrset (Ch : C_Chtype) 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 (AttrChar_To_Chtype (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 C_Chtype;
+ pragma Import (C, Slk_Attr, "slk_attr");
+
+ Attr : constant C_Chtype := Slk_Attr;
+ begin
+ return Chtype_To_AttrChar (Attr).Attr;
+ end Get_Soft_Label_Key_Attributes;
+
+ function Get_Soft_Label_Key_Attributes return Color_Pair
+ is
+ function Slk_Attr return C_Chtype;
+ pragma Import (C, Slk_Attr, "slk_attr");
+
+ Attr : constant C_Chtype := Slk_Attr;
+ begin
+ return Chtype_To_AttrChar (Attr).Color;
+ end Get_Soft_Label_Key_Attributes;
+
+ procedure Set_Soft_Label_Key_Color (Pair : in Color_Pair)
+ is
+ function Slk_Color (Color : in 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 : in Special_Key_Code;
+ Enable : in 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 : in String;
+ Key : in Special_Key_Code)
+ is
+ type Char_Ptr is access all Interfaces.C.char;
+ function Defkey (Def : Char_Ptr;
+ 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 (Txt'First)'Access, C_Int (Key)) = Curses_Err then
+ raise Curses_Exception;
+ end if;
+ end Define_Key;
+------------------------------------------------------------------------------
+ procedure Un_Control (Ch : in Attributed_Character;
+ Str : out String)
+ is
+ function Unctrl (Ch : C_Chtype) return chars_ptr;
+ pragma Import (C, Unctrl, "unctrl");
+ begin
+ Fill_String (Unctrl (AttrChar_To_Chtype (Ch)), Str);
+ end Un_Control;
+
+ function Un_Control (Ch : in Attributed_Character) return String
+ is
+ function Unctrl (Ch : C_Chtype) return chars_ptr;
+ pragma Import (C, Unctrl, "unctrl");
+ begin
+ return Fill_String (Unctrl (AttrChar_To_Chtype (Ch)));
+ end Un_Control;
+
+ procedure Delay_Output (Msecs : in 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 C_Chtype;
+ pragma Import (C, Termattrs, "termattrs");
+
+ Ch : constant Attributed_Character := Chtype_To_AttrChar (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 : in Redefinable_Color_Pair;
+ Fore : in Color_Number;
+ Back : in 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 : in 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 : in Color_Number;
+ Red : in RGB_Value;
+ Green : in RGB_Value;
+ Blue : in 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 : in 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 : in 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 : in 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 : in Integer;
+ Proc : in 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 : in 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 Standard_Window return Window
+ is
+ Stdscr : Window;
+ pragma Import (C, Stdscr, "stdscr");
+ begin
+ return Stdscr;
+ end Standard_Window;
+
+ function Lines return Line_Count
+ is
+ C_Lines : C_Int;
+ pragma Import (C, C_Lines, "LINES");
+ begin
+ return Line_Count (C_Lines);
+ end Lines;
+
+ function Columns return Column_Count
+ is
+ C_Columns : C_Int;
+ pragma Import (C, C_Columns, "COLS");
+ begin
+ return Column_Count (C_Columns);
+ end Columns;
+
+ function Tab_Size return Natural
+ is
+ C_Tab_Size : C_Int;
+ pragma Import (C, C_Tab_Size, "TABSIZE");
+ begin
+ return Natural (C_Tab_Size);
+ end Tab_Size;
+
+ function Number_Of_Colors return Natural
+ is
+ C_Number_Of_Colors : C_Int;
+ pragma Import (C, C_Number_Of_Colors, "COLORS");
+ begin
+ return Natural (C_Number_Of_Colors);
+ end Number_Of_Colors;
+
+ function Number_Of_Color_Pairs return Natural
+ is
+ C_Number_Of_Color_Pairs : C_Int;
+ pragma Import (C, C_Number_Of_Color_Pairs, "COLOR_PAIRS");
+ begin
+ return Natural (C_Number_Of_Color_Pairs);
+ end Number_Of_Color_Pairs;
+------------------------------------------------------------------------------
+ procedure Transform_Coordinates
+ (W : in Window := Standard_Window;
+ Line : in out Line_Position;
+ Column : in out Column_Position;
+ Dir : in 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;
+
+end Terminal_Interface.Curses;
projects / ncurses.git / blobdiff