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program test;
{ Extrait de DISK8RED.PAS
http://mdalbin.developpez.com/tutoriels/pascal/tvpa/
Le programme original est écrit pour Turbo Pascal. En le compilant avec Free
pascal ou avec Virtual Pascal, on rencontre différents problèmes relatifs aux
dimensions de la fenêtre : ou bien la fenêtre est plus grande que le bureau
(Free Pascal), ou bien la "status line" n'est pas visible (Virtual Pascal).
}
{$IFDEF VPASCAL}
{$PMTYPE VIO}
{$USE32+}
{$ENDIF}
uses
Dos, App, Objects, Views, Drivers, Dialogs, MsgBox, Validate, Menus, StdDlg;
{$R ICONE.RES}
type
PClockStaticText = ^TClockStaticText;
TClockStaticText = object(TStaticText)
private
Second, HundredthSecond: Word;
public
constructor Init(var Bounds: TRect; AText: string);
procedure SetText(AText: string);
procedure Update;
end;
TDisk8Reader = object(TApplication)
private
CommandLabel: PLabel;
ClockStaticText: PClockStaticText;
public
constructor Init;
procedure HandleEvent(var Event: TEvent); virtual;
procedure InitMenuBar; virtual;
procedure InitStatusLine; virtual;
procedure InitDesktop; virtual;
procedure InitClock;
function GetPalette: PPalette; virtual;
procedure Idle; virtual;
destructor Done; virtual;
end;
const
CAppPalette = #$78#$70#$78#$74#$20#$74#$78#$73#$7F#$7A +
#$31#$31#$1E#$71#$00#$2F#$3F#$3A#$13#$13 +
#$3E#$21#$00#$70#$7F#$13#$78#$74#$70#$7F +
#$00#$70#$7F#$7A#$13#$13#$70#$70#$7F#$7E +
#$20#$2B#$2F#$78#$2E#$70#$30#$3F#$3E#$1F +
#$2F#$1A#$20#$72#$31#$31#$30#$2F#$3E#$31 +
#$13#$00#$00;
var
Disk8Reader: TDisk8Reader;
(****************************************************************************)
(*** *****************************************************)
(*** TClockStaticText *****************************************************)
(*** *****************************************************)
(****************************************************************************)
constructor TClockStaticText.Init(var Bounds: TRect; AText: string);
begin
if not inherited Init(Bounds, AText) then Fail;
Second := 0;
HundredthSecond := 0;
end;
procedure TClockStaticText.SetText(AText: string);
begin
if Text <> nil then DisposeStr(Text);
Text := NewStr(AText);
end;
procedure TClockStaticText.Update;
var H, M, S, Sec: Word;
SH, SM, SS, SSec: string;
begin
GetTime(H, M, S, Sec);
If (S * 100 + Sec) - (Second * 100 + HundredthSecond) >= 100 then
begin
Second := S;
HundredthSecond := Sec;
Str(H, SH); if H < 10 then SH := '0' + SH;
Str(M, SM); if M < 10 then SM := '0' + SM;
Str(S, SS); if S < 10 then SS := '0' + SS;
Str(Sec, SSec);
SetText(SH + ':' + SM + ':' + SS);
DrawView;
end;
end;
(****************************************************************************)
(*** *********************************************************)
(*** TDisk8Reader *********************************************************)
(*** *********************************************************)
(****************************************************************************)
constructor TDisk8Reader.Init;
var Bounds: TRect;
I: Integer;
begin
if not inherited Init then Fail;
SetScreenMode(smCO80 + smFont8x8);
Redraw;
InitClock;
end;
procedure TDisk8Reader.HandleEvent(var Event: TEvent);
begin
inherited HandleEvent(Event);
end;
procedure TDisk8Reader.InitMenuBar;
begin
MenuBar := nil;
end;
procedure TDisk8Reader.InitStatusLine;
var Bounds: TRect;
begin
Bounds.Assign(0, 49, 80, 50);
StatusLine := New(PStatusLine, Init(Bounds, NewStatusDef(0, 0,
NewStatusKey('~Alt+X~ Exit', kbAltX, cmQuit, nil), nil)));
end;
procedure TDisk8Reader.InitDesktop;
var Bounds: TRect;
begin
Bounds.Assign(0, 0, 80, 49);
Desktop := New(PDesktop, Init(Bounds));
end;
procedure TDisk8Reader.InitClock;
var Bounds: TRect;
begin
Bounds.Assign(0, 0, 80, 1);
ClockStaticText := New(PClockStaticText, Init(Bounds, ''));
Desktop^.Insert(ClockStaticText);
end;
function TDisk8Reader.GetPalette: PPalette;
const P: string[Length(CAppPalette)] = CAppPalette;
begin
GetPalette := @P;
end;
procedure TDisk8Reader.Idle;
begin
inherited Idle;
ClockStaticText^.Update;
end;
destructor TDisk8Reader.Done;
begin
Dispose(ClockStaticText, Done);
inherited Done;
end;
(****************************************************************************)
(*** *****************************************************************)
(*** Main *****************************************************************)
(*** *****************************************************************)
(****************************************************************************)
begin
Disk8Reader.Init;
Disk8Reader.Run;
Disk8Reader.Done;
end. |
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