release/src/router/libncurses/Ada95/samples/ncurses2-test_sgr_attributes.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                       GNAT ncurses Binding Samples                       --
   4 --                                                                          --
   5 --                                 ncurses                                  --
   6 --                                                                          --
   7 --                                 B O D Y                                  --
   8 --                                                                          --
   9 ------------------------------------------------------------------------------
  10 -- Copyright (c) 2000,2006 Free Software Foundation, Inc.                   --
  11 --                                                                          --
  12 -- Permission is hereby granted, free of charge, to any person obtaining a  --
  13 -- copy of this software and associated documentation files (the            --
  14 -- "Software"), to deal in the Software without restriction, including      --
  15 -- without limitation the rights to use, copy, modify, merge, publish,      --
  16 -- distribute, distribute with modifications, sublicense, and/or sell       --
  17 -- copies of the Software, and to permit persons to whom the Software is    --
  18 -- furnished to do so, subject to the following conditions:                 --
  19 --                                                                          --
  20 -- The above copyright notice and this permission notice shall be included  --
  21 -- in all copies or substantial portions of the Software.                   --
  22 --                                                                          --
  23 -- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  --
  24 -- OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               --
  25 -- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   --
  26 -- IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   --
  27 -- DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    --
  28 -- OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    --
  29 -- THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               --
  30 --                                                                          --
  31 -- Except as contained in this notice, the name(s) of the above copyright   --
  32 -- holders shall not be used in advertising or otherwise to promote the     --
  33 -- sale, use or other dealings in this Software without prior written       --
  34 -- authorization.                                                           --
  35 ------------------------------------------------------------------------------
  36 --  Author: Eugene V. Melaragno <aldomel@ix.netcom.com> 2000
  37 --  Version Control
  38 --  $Revision: 1.2 $
  39 --  $Date: 2006/06/25 14:24:40 $
  40 --  Binding Version 01.00
  41 ------------------------------------------------------------------------------
  42 with Terminal_Interface.Curses; use Terminal_Interface.Curses;
  43 with ncurses2.util; use ncurses2.util;
  44
  45 --  Graphic-rendition test (adapted from vttest)
  46
  47 procedure ncurses2.test_sgr_attributes is
  48
  49    procedure xAdd (l : Line_Position; c : Column_Position; s : String);
  50
  51    procedure xAdd (l : Line_Position; c : Column_Position; s : String) is
  52    begin
  53       Add (Line => l, Column => c, Str => s);
  54    end xAdd;
  55
  56    normal, current : Attributed_Character;
  57 begin
  58    for pass in reverse Boolean loop
  59       if pass then
  60          normal := (Ch => ' ', Attr => Normal_Video, Color => 0);
  61       else
  62          normal := (Ch => ' ', Attr =>
  63                       (Reverse_Video => True, others => False), Color => 0);
  64       end if;
  65
  66       --  Use non-default colors if possible to exercise bce a little
  67       if Has_Colors then
  68          Init_Pair (1, White, Blue);
  69          normal.Color := 1;
  70       end if;
  71       Set_Background (Ch => normal);
  72       Erase;
  73       xAdd (1, 20, "Graphic rendition test pattern:");
  74
  75       xAdd (4, 1, "vanilla");
  76
  77       current := normal;
  78       current.Attr.Bold_Character := not current.Attr.Bold_Character;
  79       Set_Background (Ch => current);
  80       xAdd (4, 40, "bold");
  81
  82       current := normal;
  83       current.Attr.Under_Line := not current.Attr.Under_Line;
  84       Set_Background (Ch => current);
  85       xAdd (6, 6, "underline");
  86
  87       current := normal;
  88       current.Attr.Bold_Character  := not current.Attr.Bold_Character;
  89       current.Attr.Under_Line := not current.Attr.Under_Line;
  90       Set_Background (Ch => current);
  91       xAdd (6, 45, "bold underline");
  92
  93       current := normal;
  94       current.Attr.Blink := not current.Attr.Blink;
  95       Set_Background (Ch => current);
  96       xAdd (8, 1, "blink");
  97
  98       current := normal;
  99       current.Attr.Blink  := not current.Attr.Blink;
 100       current.Attr.Bold_Character := not current.Attr.Bold_Character;
 101       Set_Background (Ch => current);
 102       xAdd (8, 40, "bold blink");
 103
 104       current := normal;
 105       current.Attr.Under_Line  := not current.Attr.Under_Line;
 106       current.Attr.Blink := not current.Attr.Blink;
 107       Set_Background (Ch => current);
 108       xAdd (10, 6, "underline blink");
 109
 110       current := normal;
 111       current.Attr.Bold_Character  := not current.Attr.Bold_Character;
 112       current.Attr.Under_Line  := not current.Attr.Under_Line;
 113       current.Attr.Blink := not current.Attr.Blink;
 114       Set_Background (Ch => current);
 115       xAdd (10, 45, "bold underline blink");
 116
 117       current := normal;
 118       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 119       Set_Background (Ch => current);
 120       xAdd (12, 1, "negative");
 121
 122       current := normal;
 123       current.Attr.Bold_Character  := not current.Attr.Bold_Character;
 124       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 125       Set_Background (Ch => current);
 126       xAdd (12, 40, "bold negative");
 127
 128       current := normal;
 129       current.Attr.Under_Line  := not current.Attr.Under_Line;
 130       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 131       Set_Background (Ch => current);
 132       xAdd (14, 6, "underline negative");
 133
 134       current := normal;
 135       current.Attr.Bold_Character  := not current.Attr.Bold_Character;
 136       current.Attr.Under_Line  := not current.Attr.Under_Line;
 137       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 138       Set_Background (Ch => current);
 139       xAdd (14, 45, "bold underline negative");
 140
 141       current := normal;
 142       current.Attr.Blink  := not current.Attr.Blink;
 143       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 144       Set_Background (Ch => current);
 145       xAdd (16, 1, "blink negative");
 146
 147       current := normal;
 148       current.Attr.Bold_Character  := not current.Attr.Bold_Character;
 149       current.Attr.Blink  := not current.Attr.Blink;
 150       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 151       Set_Background (Ch => current);
 152       xAdd (16, 40, "bold blink negative");
 153
 154       current := normal;
 155       current.Attr.Under_Line  := not current.Attr.Under_Line;
 156       current.Attr.Blink  := not current.Attr.Blink;
 157       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 158       Set_Background (Ch => current);
 159       xAdd (18, 6, "underline blink negative");
 160
 161       current := normal;
 162       current.Attr.Bold_Character  := not current.Attr.Bold_Character;
 163       current.Attr.Under_Line  := not current.Attr.Under_Line;
 164       current.Attr.Blink  := not current.Attr.Blink;
 165       current.Attr.Reverse_Video := not current.Attr.Reverse_Video;
 166       Set_Background (Ch => current);
 167       xAdd (18, 45, "bold underline blink negative");
 168
 169       Set_Background (Ch => normal);
 170       Move_Cursor (Line => Lines - 2, Column => 1);
 171       if pass then
 172          Add (Str => "Dark");
 173       else
 174          Add (Str => "Light");
 175       end if;
 176       Add (Str => " background. ");
 177       Clear_To_End_Of_Line;
 178       Pause;
 179    end loop;
 180
 181    Set_Background (Ch => Blank2);
 182    Erase;
 183    End_Windows;
 184
 185 end ncurses2.test_sgr_attributes;