Finally I get the code to you

[Cliff Baeseman]

No the library should not care about the messages at all. They are actually
handled in the LCL interface object for the implemented toolkit.

Cliff Baeseman


-----Original Message-----
From: vital at videotron.ca <vital at videotron.ca>
To: lazarus at miraclec.com <lazarus at miraclec.com>
Date: Monday, May 01, 2000 8:53 PM
Subject: Re: Finally I get the code to you


>Does it has a need to validate if the message realy could be apply to the
>asked widget? If so What would be done in case of bad message?
>
>Vital Tremblay
>vital at videotron.ca
>
>
>At 21:37 00-05-01 -0700, you wrote:
>>From the standpoint of the LCL here is what really occurs.
>>
>>When a program is started the application object gets created and and the
>>initialize routing is called on the interface object. Here is where we
tell
>>the engine to create a engine instance. From then on the lcl will pass a
>>message to the IntSendMessage routine telling the widget engine to do
>>various things depending on what was passed. For instance the routine may
>>get a message to create a form in that case lcl_win32_create_widget gets
>>called and it internally creates a form. It will pass back a integer value
>>"we'll call it the hwnd" which is the index of the component in the list.
>>Inside of the interface object we set the LCL TComponent handle with that
>>returned value because that is what we are going to use to access the
>>instance. Now in the library you will need to do something like
>>lcl_win32_reparent_widget(hwndparent, hwndchild: integer) and that will
>>inturn set the parent of the child to the parent. Then you add something
>>like lcl_win32_set_bounds(hwndwidget: integer;x,y,top,left: integer)  so
>>internal you just grab that widget from the list and set the properties.
>>Then you need to add a event hook I think I coded the stub into it but did
>>not finish it. Something like lcl_win32_hook_mouse_move(hwndwidget:
integer;
>>fproc: pointer) You then assign a handler internal which will call this
fpc
>>method pointer. I know this sounds like a lot of stuff but it is pretty
>>simple to implement.
>>
>>Cliff
>
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