
(********************************************************************)
(*                                                                  *)
(*  gkbd.sd7      Keyboard test program for graphic keyboard        *)
(*  Copyright (C) 2004  Thomas Mertes                               *)
(*                                                                  *)
(*  This program is free software; you can redistribute it and/or   *)
(*  modify it under the terms of the GNU General Public License as  *)
(*  published by the Free Software Foundation; either version 2 of  *)
(*  the License, or (at your option) any later version.             *)
(*                                                                  *)
(*  This program is distributed in the hope that it will be useful, *)
(*  but WITHOUT ANY WARRANTY; without even the implied warranty of  *)
(*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   *)
(*  GNU General Public License for more details.                    *)
(*                                                                  *)
(*  You should have received a copy of the GNU General Public       *)
(*  License along with this program; if not, write to the           *)
(*  Free Software Foundation, Inc., 51 Franklin Street,             *)
(*  Fifth Floor, Boston, MA  02110-1301, USA.                       *)
(*                                                                  *)
(********************************************************************)


$ include "seed7_05.s7i";
  include "keybd.s7i";
  include "keydescr.s7i";
  include "float.s7i";
  include "draw.s7i";
  include "time.s7i";
  include "duration.s7i";
  include "console.s7i";


const integer: xSpeed is 2;


const proc: main is func
  local
    var char: ch is ' ';
    var char: lastChar is ' ';
    var integer: xPos is 10;
    var integer: xIncr is xSpeed;
    var time: waitTime is time.value;
  begin
    screen(640, 480);
    OUT := STD_CONSOLE;
    writeln("Keyboard test program. Type ! to terminate the program");
    KEYBOARD := GRAPH_KEYBOARD;
    DRAW_FLUSH;
    waitTime := time(NOW);
    repeat
      waitTime +:= 100000 . MICRO_SECONDS;
      ch := busy_getc(KEYBOARD);
      while ch <> KEY_NONE do
        lastChar := ch;
        write(ord(ch) <& " ");
        if ch in keyDescription then
          writeln(keyDescription[ch]);
        elsif ch >= ' ' and ch <= '~' or ch >= '\160;' then
          writeln(ch);
        else
          writeln;
        end if;
        ch := busy_getc(KEYBOARD);
      end while;
      rect(xPos, 10, 10, 10, black);
      if xPos > 620 then
        xIncr := -xSpeed;
      elsif xPos < 10 then
        xIncr := xSpeed;
      end if;
      xPos +:= xIncr;
      if buttonPressed(KEYBOARD, lastChar) then
        rect(xPos, 10, 10, 10, light_red);
      else
        rect(xPos, 10, 10, 10, light_blue);
      end if;
      DRAW_FLUSH;
      await(waitTime);
    until lastChar = '!';
  end func;
