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

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                       GNAT ncurses Binding Samples                       --
   4 --                                                                          --
   5 --                                 ncurses                                  --
   6 --                                                                          --
   7 --                                 B O D Y                                  --
   8 --                                                                          --
   9 ------------------------------------------------------------------------------
  10 -- Copyright (c) 2000-2006,2008 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: 1.3 $
  39 --  $Date: 2008/07/26 18:47:17 $
  40 --  Binding Version 01.00
  41 ------------------------------------------------------------------------------
  42 with ncurses2.util; use ncurses2.util;
  43
  44 with Terminal_Interface.Curses; use Terminal_Interface.Curses;
  45 with Ada.Strings.Fixed;
  46
  47 procedure ncurses2.color_test is
  48    use Int_IO;
  49
  50    procedure show_color_name (y, x : Integer; color : Integer);
  51
  52    color_names : constant array (0 .. 15) of String (1 .. 7) :=
  53      (
  54       "black  ",
  55       "red    ",
  56       "green  ",
  57       "yellow ",
  58       "blue   ",
  59       "magenta",
  60       "cyan   ",
  61       "white  ",
  62       "BLACK  ",
  63       "RED    ",
  64       "GREEN  ",
  65       "YELLOW ",
  66       "BLUE   ",
  67       "MAGENTA",
  68       "CYAN   ",
  69       "WHITE  "
  70       );
  71
  72    procedure show_color_name (y, x : Integer; color : Integer) is
  73       tmp5 : String (1 .. 5);
  74    begin
  75       if Number_Of_Colors > 8 then
  76
  77          Put (tmp5, color);
  78          Add (Line => Line_Position (y), Column => Column_Position (x),
  79               Str => tmp5);
  80       else
  81          Add (Line => Line_Position (y), Column => Column_Position (x),
  82               Str => color_names (color));
  83       end if;
  84    end show_color_name;
  85
  86    top, width : Integer;
  87    hello : String (1 .. 5);
  88    --  tmp3 : String (1 .. 3);
  89    --  tmp2 : String (1 .. 2);
  90
  91 begin
  92    Refresh;
  93    Add (Str => "There are ");
  94    --  Put(tmp3, Number_Of_Colors*Number_Of_Colors);
  95    Add (Str => Ada.Strings.Fixed.Trim (Integer'Image (Number_Of_Colors *
  96                                                       Number_Of_Colors),
  97                                        Ada.Strings.Left));
  98    Add (Str => " color pairs");
  99    Add (Ch => newl);
 100
 101    if Number_Of_Colors > 8 then
 102       width := 4;
 103    else
 104       width := 8;
 105    end if;
 106
 107    if Number_Of_Colors > 8 then
 108       hello := "Test ";
 109    else
 110       hello := "Hello";
 111    end if;
 112
 113    for Bright in Boolean loop
 114       if Number_Of_Colors > 8 then
 115          top := 0;
 116       else
 117          top := Boolean'Pos (Bright) * (Number_Of_Colors + 3);
 118       end if;
 119       Clear_To_End_Of_Screen;
 120       Move_Cursor (Line => Line_Position (top) + 1, Column => 0);
 121       --  Put(tmp2, Number_Of_Colors);
 122       Add (Str => Ada.Strings.Fixed.Trim (Integer'Image (Number_Of_Colors),
 123                                           Ada.Strings.Left));
 124       Add (Ch => 'x');
 125       Add (Str => Ada.Strings.Fixed.Trim (Integer'Image (Number_Of_Colors),
 126                                           Ada.Strings.Left));
 127       Add (Str => "  matrix of foreground/background colors, bright *");
 128       if Bright then
 129          Add (Str => "on");
 130       else
 131          Add (Str => "off");
 132       end if;
 133       Add (Ch => '*');
 134
 135       for i in 0 .. Number_Of_Colors - 1 loop
 136          show_color_name (top + 2, (i + 1) * width, i);
 137       end loop;
 138       for i in 0 .. Number_Of_Colors - 1 loop
 139          show_color_name (top + 3 + i, 0, i);
 140       end loop;
 141       for i in 1 .. Number_Of_Color_Pairs - 1 loop
 142          Init_Pair (Color_Pair (i), Color_Number (i mod Number_Of_Colors),
 143                     Color_Number (i / Number_Of_Colors));
 144          --  attron((attr_t) COLOR_PAIR(i)) -- Huh?
 145          Set_Color (Pair => Color_Pair (i));
 146          if Bright then
 147             Switch_Character_Attribute (Attr => (Bold_Character => True,
 148                                                  others => False));
 149          end if;
 150          Add (Line => Line_Position (top + 3 + (i / Number_Of_Colors)),
 151               Column => Column_Position ((i mod Number_Of_Colors + 1) *
 152                                          width),
 153               Str => hello);
 154          Set_Character_Attributes;
 155       end loop;
 156       if Number_Of_Colors > 8 or Bright then
 157          Pause;
 158       end if;
 159    end loop;
 160
 161    Erase;
 162    End_Windows;
 163 end ncurses2.color_test;