Base version of ncurses-5.7 library
diff --git a/Ada95/samples/sample-header_handler.adb b/Ada95/samples/sample-header_handler.adb
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+------------------------------------------------------------------------------
+-- --
+-- GNAT ncurses Binding Samples --
+-- --
+-- Sample.Header_Handler --
+-- --
+-- B O D Y --
+-- --
+------------------------------------------------------------------------------
+-- Copyright (c) 1998-2004,2006 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: 1.16 $
+-- $Date: 2006/06/25 14:30:22 $
+-- Binding Version 01.00
+------------------------------------------------------------------------------
+with Ada.Calendar; use Ada.Calendar;
+with Terminal_Interface.Curses.Text_IO.Integer_IO;
+with Sample.Manifest; use Sample.Manifest;
+
+-- This package handles the painting of the header line of the screen.
+--
+package body Sample.Header_Handler is
+
+ package Int_IO is new
+ Terminal_Interface.Curses.Text_IO.Integer_IO (Integer);
+ use Int_IO;
+
+ Header_Window : Window := Null_Window;
+
+ Display_Hour : Integer := -1; -- hour last displayed
+ Display_Min : Integer := -1; -- minute last displayed
+ Display_Day : Integer := -1; -- day last displayed
+ Display_Month : Integer := -1; -- month last displayed
+
+ -- This is the routine handed over to the curses library to be called
+ -- as initialization routine when ripping of the header lines from
+ -- the screen. This routine must follow C conventions.
+ function Init_Header_Window (Win : Window;
+ Columns : Column_Count) return Integer;
+ pragma Convention (C, Init_Header_Window);
+
+ procedure Internal_Update_Header_Window (Do_Update : in Boolean);
+
+ -- The initialization must be called before Init_Screen. It steals two
+ -- lines from the top of the screen.
+ procedure Init_Header_Handler
+ is
+ begin
+ Rip_Off_Lines (2, Init_Header_Window'Access);
+ end Init_Header_Handler;
+
+ procedure N_Out (N : in Integer);
+
+ -- Emit a two digit number and ensure that a leading zero is generated if
+ -- necessary.
+ procedure N_Out (N : in Integer)
+ is
+ begin
+ if N < 10 then
+ Add (Header_Window, '0');
+ Put (Header_Window, N, 1);
+ else
+ Put (Header_Window, N, 2);
+ end if;
+ end N_Out;
+
+ -- Paint the header window. The input parameter is a flag indicating
+ -- whether or not the screen should be updated physically after painting.
+ procedure Internal_Update_Header_Window (Do_Update : in Boolean)
+ is
+ type Month_Name_Array is
+ array (Month_Number'First .. Month_Number'Last) of String (1 .. 9);
+
+ Month_Names : constant Month_Name_Array :=
+ ("January ",
+ "February ",
+ "March ",
+ "April ",
+ "May ",
+ "June ",
+ "July ",
+ "August ",
+ "September",
+ "October ",
+ "November ",
+ "December ");
+
+ Now : constant Time := Clock;
+ Sec : constant Integer := Integer (Seconds (Now));
+ Hour : constant Integer := Sec / 3600;
+ Minute : constant Integer := (Sec - Hour * 3600) / 60;
+ Mon : constant Month_Number := Month (Now);
+ D : constant Day_Number := Day (Now);
+ begin
+ if Header_Window /= Null_Window then
+ if Minute /= Display_Min or else Hour /= Display_Hour
+ or else Display_Day /= D or else Display_Month /= Mon then
+ Move_Cursor (Header_Window, 0, 0);
+ N_Out (D); Add (Header_Window, '.');
+ Add (Header_Window, Month_Names (Mon));
+ Move_Cursor (Header_Window, 1, 0);
+ N_Out (Hour); Add (Header_Window, ':');
+ N_Out (Minute);
+ Display_Min := Minute;
+ Display_Hour := Hour;
+ Display_Month := Mon;
+ Display_Day := D;
+ Refresh_Without_Update (Header_Window);
+ if Do_Update then
+ Update_Screen;
+ end if;
+ end if;
+ end if;
+ end Internal_Update_Header_Window;
+
+ -- This routine is called in the keyboard input timeout handler. So it will
+ -- periodically update the header line of the screen.
+ procedure Update_Header_Window
+ is
+ begin
+ Internal_Update_Header_Window (True);
+ end Update_Header_Window;
+
+ function Init_Header_Window (Win : Window;
+ Columns : Column_Count) return Integer
+ is
+ Title : constant String := "Ada 95 ncurses Binding Sample";
+ Pos : Column_Position;
+ begin
+ Header_Window := Win;
+ if Win /= Null_Window then
+ if Has_Colors then
+ Set_Background (Win => Win,
+ Ch => (Ch => ' ',
+ Color => Header_Color,
+ Attr => Normal_Video));
+ Set_Character_Attributes (Win => Win,
+ Attr => Normal_Video,
+ Color => Header_Color);
+ Erase (Win);
+ end if;
+ Leave_Cursor_After_Update (Win, True);
+ Pos := Columns - Column_Position (Title'Length);
+ Add (Win, 0, Pos / 2, Title);
+ -- In this phase we must not allow a physical update, because
+ -- ncurses isn´t properly initialized at this point.
+ Internal_Update_Header_Window (False);
+ return 0;
+ else
+ return -1;
+ end if;
+ end Init_Header_Window;
+
+end Sample.Header_Handler;