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------------------------------------------------------------------------------
-- --
-- GNAT ncurses Binding --
-- --
-- Terminal_Interface.Curses.Text_IO.Aux --
-- --
-- B O D Y --
-- --
------------------------------------------------------------------------------
-- Copyright (c) 1998-2006,2009 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: 1.13 $
-- $Date: 2009/12/26 17:38:58 $
-- Binding Version 01.00
------------------------------------------------------------------------------
package body Terminal_Interface.Curses.Text_IO.Aux is
procedure Put_Buf
(Win : Window;
Buf : String;
Width : Field;
Signal : Boolean := True;
Ljust : Boolean := False)
is
L : Field;
Len : Field;
W : Field := Width;
LC : Line_Count;
CC : Column_Count;
Y : Line_Position;
X : Column_Position;
procedure Output (From, To : Field);
procedure Output (From, To : Field)
is
begin
if Len > 0 then
if W = 0 then
W := Len;
end if;
if Len > W then
-- LRM A10.6 (7) says this
W := Len;
end if;
pragma Assert (Len <= W);
Get_Size (Win, LC, CC);
if Column_Count (Len) > CC then
if Signal then
raise Layout_Error;
else
return;
end if;
else
if Len < W and then not Ljust then
declare
Filler : constant String (1 .. (W - Len))
:= (others => ' ');
begin
Put (Win, Filler);
end;
end if;
Get_Cursor_Position (Win, Y, X);
if (X + Column_Position (Len)) > CC then
New_Line (Win);
end if;
Put (Win, Buf (From .. To));
if Len < W and then Ljust then
declare
Filler : constant String (1 .. (W - Len))
:= (others => ' ');
begin
Put (Win, Filler);
end;
end if;
end if;
end if;
end Output;
begin
pragma Assert (Win /= Null_Window);
if Ljust then
L := 1;
for I in 1 .. Buf'Length loop
exit when Buf (L) = ' ';
L := L + 1;
end loop;
Len := L - 1;
Output (1, Len);
else -- input buffer is not left justified
L := Buf'Length;
for I in 1 .. Buf'Length loop
exit when Buf (L) = ' ';
L := L - 1;
end loop;
Len := Buf'Length - L;
Output (L + 1, Buf'Length);
end if;
end Put_Buf;
end Terminal_Interface.Curses.Text_IO.Aux;