Re: How to connect a menu with some commands

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Mon Jun 08 1998 - 11:49:52 MEST


Hi Xie,

   macros cannot call virtual functions of compiled base classes.
To make a macro that is doing what you want you need to use
object composition, as shown in the macro $ROOTSYS/dialogs.C,
which I recently published.

Cheers, Fons.



Wei Xie wrote:
> 
> Dear Rooters'
> 
> The following test macro can produce a frame with
> three popup menus:  Test, Cancel, Help.
> 
> I failed to connect  them  with  commands that can
> be activated by a mouse click. For example, when click "Close",
> it would  not print:
> 
>        "deleteing the windows".
> 
> I'v tried to use the function "Associate(this)" but it make no sense.
> 
> Could you tell me what is the problem ?
> 
> Many thanks
> 
> Xie
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> * The test macro *:
> ^^^^^^^^^^^^^^^^^^^
> 
> //name: test.c
> // when running, please do the following steps:
> // .L test.c
> //  new TestMainFrame(gClient->GetRoot(),400,300);
> 
> enum values
> {M_FILE_OPEN, M_FILE_CLOSE, M_FILE_CANCEL, M_FILE_HELP_COMMAND };
> 
> class TestMainFrame : public TGMainFrame

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E-Mail: Fons.Rademakers@cern.ch              Fax:   +41 22 7677910



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