Turbopower Visual Planit??

[Ian Branch 127]

Hi Team,

Has anybody brought TPVP into the 21st century? 😉

I have downloaded it from SF and am trying to get it loaded under D11.2.

Regards & TIA,

Ian

Edited November 29, 2022 by Ian Branch

[FPiette 383]

36 minutes ago, Ian Branch said:

Has anybody brought TPVP into the 21st century? 😉

I have downloaded it from SF and am trying to get it loaded under D11.2.

And which are the issue you have? Compilation errors? Compile but doesn't run?

[Ian Branch 127]

I didn't want to get into the innards if it has already been sorted.

Having said that, I am trying to build and install the .bpl under D11.2.

I get an incompatible types error here..

{==TVpMemoryStream===================================================}
procedure TVpMemoryStream.SetPointer(Ptr : Pointer; Size : Integer);
begin
  Assert(not Assigned(Memory)); inherited;		<<<
end;

I don't know/understand enough to know what to do here.

Ian

Edited November 29, 2022 by Ian Branch

[Lajos Juhász 293]

You should at least provide a compiler error message. From here we don't know which class it's inherited from.

 

I don't like to gamble but will make an exception my guess is that you should change the parameters of the method to match the signature from the parent class?

[Ian Branch 127]

[dcc32 Error] VpXBase.pas(655): E2008 Incompatible types

 

The procedure is derived from this..

  {The TVpMemoryStream class is used to expose TMemoryStream's SetPointer
   method.}
  TVpMemoryStream = class(TMemoryStream)
  public
    procedure SetPointer(Ptr : Pointer; Size : Longint);
  end;

 

Edited November 29, 2022 by Ian Branch

[Lajos Juhász 293]

At least I won this bet. You should always post the parent class as don't everyone will have the complete source. By openning the System.Classes.pas it's clear what to do:

 

procedure TCustomMemoryStream.SetPointer(Ptr: Pointer; const Size: NativeInt);

 

change the method signature to match.

[Ian Branch 127]

OK.  Tks.  That sorted it.

Not used to the idea of diving in to the core classes.

All OK there Tks.

Moving on to the next error.  I should be able to resolve this one. 🙂 

[Ian Branch 127]

Hi Guys,

OK, got a pile of little issues sorted.

Got this error..

"[dcc32 Error] VpBaseDS.pas(1232): E2017 Pointer type required"

For this..

procedure TVpControlLink.ReleaseDependents;
var
  I : Integer;
begin
  for I := 0 to pred(DependentList.Count) do
    Detach(TVpDependentInfo(DependentList.List^[I]).Component);
end;

With the cursor sitting between the ^ and [.

I suspect this is a Delphi language change issue.

 

There are a number of these 

TVpDependentInfo(DependentList.List^[I]).Component

related errors.

 

TVDependantInfo is declared as..

  TVpDependentInfo = class { Used by the ControlLink component }
  protected{private}
    FComponent: Pointer;
    FEventHandler: TVpControlNotifyEvent;
  public
    property Component: Pointer read FComponent write FComponent;
    property EventHandler: TVpControlNotifyEvent
      read FEventHandler write FEventHandler;
  end;

  DependentList is a TList.

 

Ian

Edited November 29, 2022 by Ian Branch

[Ian Branch 127]

 

I changed 

TVpDependentInfo(DependentList.List^[I]).Component

to 

TVpDependentInfo(DependentList.Items[I]).Component

and it seems to like it.

We'll see.

Next issue..

[omnibrain 15]

Are you going to put it on github?

[Ian Branch 127]

If I ever get it working.. 🙂

[Fr0sT.Brutal 900]

Are you aware Lazarus team has newer fork? https://wiki.freepascal.org/Turbopower_Visual_PlanIt

[Ian Branch 127]

No, I wasn't aware.  Is there much involved in porting Lazarus/FreePascal to Delphi??

[Ian Branch 127]

OK.  I downloaded and had a look at the Lazarus implementation.

I also had a look at various Lazarus/Delphi conversion guides.

As I have the original almost working now I don't think I want to tackle the Lazarus/Delphi conversion.

[Fr0sT.Brutal 900]

Okay, I just thought Lazarus version could have got some updates and improvements.

 

TurboPower was an amazing company, they had so much open source components with great docs, and many of them are still actual, >10 years after abandonment!

[Ian Branch 127]

I suspect it does, it has a later version #.

Maybe I will look at it once I get this little exercise over.