original.zengl/demos/Delphi XE 2/03 - Input/demo03.dpr

program demo03;

{$I zglCustomConfig.cfg}

{$R *.res}

uses
  {$IFDEF USE_ZENGL_STATIC}
  zgl_main,
  zgl_screen,
  zgl_window,
  zgl_timers,
  zgl_mouse,
  zgl_keyboard,
  zgl_joystick,
  zgl_primitives_2d,
  zgl_font,
  zgl_text,
  zgl_textures_png,
  zgl_math_2d,
  zgl_collision_2d,
  zgl_utils
  {$ELSE}
  zglHeader
  {$ENDIF}
  ;

var
  dirRes  : UTF8String {$IFNDEF MACOSX} = '../data/' {$ENDIF};

  fntMain   : zglPFont;

  joyCount   : Integer;
  userInput  : UTF8String;
  trackInput : Boolean;
  inputRect  : zglTRect;
  lineAlpha  : Byte;

procedure Init;
begin
  fntMain := font_LoadFromFile( dirRes + 'font.zfi' );

  inputRect.X := 400 - 192;
  inputRect.Y := 300 - 100 - 32;
  inputRect.W := 384;
  inputRect.H := 96;

  // RU: Èíèöèàëèçèðóåì îáðàáîòêó ââîäà äæîéñòèêîâ è ïîëó÷àåì êîëè÷åñòâî ïîäêëþ÷åííûõ äæîéñòèêîâ.
  // EN: Initialize processing joystick input and get count of plugged joysticks.
  joyCount := joy_Init();
end;

procedure Draw;
  var
    w : Single;
begin
  text_Draw( fntMain, 0, 0, 'Escape - Exit' );

  // RU: Êîîðäèíàòû ìûøè ìîæíî ïîëó÷èòü ïðè ïîìîùè ôóíêöèé mouse_X è mouse_Y.
  // EN: Mouse coordinates can be got using functions mouse_X and mouse_Y.
  text_Draw( fntMain, 0, 16, 'Mouse X, Y: ' + u_IntToStr( mouse_X() ) + '; ' + u_IntToStr( mouse_Y() ) );

  // RU: Âûâîäèì ââåä¸ííûé ïîëüçîâàòåëåì òåêñò.
  // EN: Show the inputted text.
  pr2d_Rect( inputRect.X, inputRect.Y, inputRect.W, inputRect.H, $FFFFFF, 255 );
  if trackInput Then
    begin
      text_Draw( fntMain, 400, 300 - 100, 'Press Enter to stop track text input:', TEXT_HALIGN_CENTER );
      w := text_GetWidth( fntMain, userInput );
      pr2d_Rect( 400 + w / 2 + 2, 300 - 70, 10, 20, $FFFFFF, lineAlpha, PR2D_FILL );
    end else
      text_Draw( fntMain, 400, 300 - 100, 'Click here to enter text(maximum - 24 symbols):', TEXT_HALIGN_CENTER );
  text_Draw( fntMain, 400, 300 - 70, userInput, TEXT_HALIGN_CENTER );


  // RU: Âûâîä ñîñòîÿíèÿ îñåé è êíîïîê ïåðâîãî äæîéñòèêà â ñèñòåìå.
  // EN: Show the state of axes and buttons of first joystick in the system.
  text_Draw( fntMain, 400, 360, 'JOYSTICK ( Found: ' + u_IntToStr( joyCount ) + ' )', TEXT_HALIGN_CENTER );

  text_Draw( fntMain, 100, 400, 'Axis X: ' + u_FloatToStr( joy_AxisPos( 0, JOY_AXIS_X ) ) );
  text_Draw( fntMain, 100, 420, 'Axis Y: ' + u_FloatToStr( joy_AxisPos( 0, JOY_AXIS_Y ) ) );
  text_Draw( fntMain, 100, 440, 'Axis Z: ' + u_FloatToStr( joy_AxisPos( 0, JOY_AXIS_Z ) ) );
  text_Draw( fntMain, 100, 460, 'Axis R: ' + u_FloatToStr( joy_AxisPos( 0, JOY_AXIS_R ) ) );
  text_Draw( fntMain, 100, 480, 'Axis U: ' + u_FloatToStr( joy_AxisPos( 0, JOY_AXIS_U ) ) );
  text_Draw( fntMain, 100, 500, 'Axis V: ' + u_FloatToStr( joy_AxisPos( 0, JOY_AXIS_V ) ) );
  text_Draw( fntMain, 100, 520, 'POVX: ' + u_FloatToStr( joy_AxisPos( 0, JOY_POVX ) ) );
  text_Draw( fntMain, 100, 540, 'POVY: ' + u_FloatToStr( joy_AxisPos( 0, JOY_POVY ) ) );

  text_Draw( fntMain, 400, 400, 'Button1: ' + u_BoolToStr( joy_Down( 0, 0 ) ) );
  text_Draw( fntMain, 400, 420, 'Button2: ' + u_BoolToStr( joy_Down( 0, 1 ) ) );
  text_Draw( fntMain, 400, 440, 'Button3: ' + u_BoolToStr( joy_Down( 0, 2 ) ) );
  text_Draw( fntMain, 400, 460, 'Button4: ' + u_BoolToStr( joy_Down( 0, 3 ) ) );
  text_Draw( fntMain, 400, 480, 'Button5: ' + u_BoolToStr( joy_Down( 0, 4 ) ) );
  text_Draw( fntMain, 400, 500, 'Button6: ' + u_BoolToStr( joy_Down( 0, 5 ) ) );
  text_Draw( fntMain, 400, 520, 'Button7: ' + u_BoolToStr( joy_Down( 0, 6 ) ) );
  text_Draw( fntMain, 400, 540, 'Button8: ' + u_BoolToStr( joy_Down( 0, 7 ) ) );
  text_Draw( fntMain, 550, 400, 'Button9: ' + u_BoolToStr( joy_Down( 0, 8 ) ) );
  text_Draw( fntMain, 550, 420, 'Button10: ' + u_BoolToStr( joy_Down( 0, 9 ) ) );
  text_Draw( fntMain, 550, 440, 'Button11: ' + u_BoolToStr( joy_Down( 0, 10 ) ) );
  text_Draw( fntMain, 550, 460, 'Button12: ' + u_BoolToStr( joy_Down( 0, 11 ) ) );
  text_Draw( fntMain, 550, 480, 'Button13: ' + u_BoolToStr( joy_Down( 0, 12 ) ) );
  text_Draw( fntMain, 550, 500, 'Button14: ' + u_BoolToStr( joy_Down( 0, 13 ) ) );
  text_Draw( fntMain, 550, 520, 'Button15: ' + u_BoolToStr( joy_Down( 0, 14 ) ) );
  text_Draw( fntMain, 550, 540, 'Button16: ' + u_BoolToStr( joy_Down( 0, 15 ) ) );
end;

procedure Timer;
begin
  if lineAlpha > 5 Then
    DEC( lineAlpha, 10 )
  else
    lineAlpha := 255;

  // RU: Ïðîâåðèòü íàæàòà ëè ëåâàÿ êíîïêà ìûøè â ïðåäåëàõ inputRect è íà÷àòü îòñëåæèâàòü ââîä òåêñòà.
  // EN: Check if left mouse button was pressed inside inputRect and start to track text input.
  if mouse_Click( M_BLEFT ) and col2d_PointInRect( mouse_X(), mouse_Y(), inputRect ) Then
    begin
      trackInput := TRUE;
      key_BeginReadText( userInput, 24 );
    end;

  // RU: Åñëè áûë íàæàò Enter ïðåêðàùàåì îòñëåæèâàòü ââîä òåêñòà.
  // EN: Finish to track text input if Enter was pressed.
  if key_Press( K_ENTER ) Then
    begin
      trackInput := FALSE;
      key_EndReadText();
    end;

  // RU: Ïîëó÷àåì ââåä¸ííûé ïîëüçîâàòåëåì òåêñò.
  // EN: Get inputted by user text.
  if trackInput Then
    userInput := key_GetText();

  // RU: Ïî íàæàòèþ Escape çàâåðøèòü ïðèëîæåíèå.
  // EN: If Escape was pressed - shutdown the application.
  if key_Press( K_ESCAPE ) Then zgl_Exit();

  // RU: Îáÿçàòåëüíî î÷èùàåì ñîñòîÿíèÿ âñåõ ïîäñèñòåì ââîäà.
  // EN: Necessarily clear all the states of input subsystems.
  mouse_ClearState();
  key_ClearState();
  joy_ClearState();
end;

Begin
  {$IFNDEF USE_ZENGL_STATIC}
  if not zglLoad( libZenGL ) Then exit;
  {$ENDIF}

  timer_Add( @Timer, 16 );

  zgl_Reg( SYS_LOAD, @Init );
  zgl_Reg( SYS_DRAW, @Draw );

  wnd_SetCaption( '03 - Input' );

  wnd_ShowCursor( TRUE );

  scr_SetOptions( 800, 600, REFRESH_MAXIMUM, FALSE, FALSE );

  zgl_Init();
End.