Re: [win32gui] [perl-win32-gui-users] Newbie Alert -> Button options

[Robert M. <rm...@po...>]

Steve Loughran wrote:
> Hi all
> 
> I have only been playing with Win32::Gui for about 11 hours so far, but 
> its doing almost everything I want it to do so far (windows, buttons, 
> -onEVENT, hooking it into Win32:GuiTest, all works great...)

Cool!

> ... but, like most newbies, there are always some things that elude me:
> 
> Question #1: Can Button objects have a foreground and background color? 
> It doesnt seem to work for me (no idea why)

Sadly not.  The foreground/background colours of most controls are 
handled internally by processing the 
WM_CTLCOLOREDIT/WM_CTLCOLORSTATIC/WM_CTLCOLORBTN/WM_CTLCOLORLISTBOX 
messages.  Although the WM_CTLCOLORBTN message looks promising, the 
microsoft documentation says:

"The WM_CTLCOLORBTN message is sent to the parent window of a button 
before drawing the button. The parent window can change the button's 
text and background colors. However, only owner-drawn buttons respond to 
the parent window processing this message."

See
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/buttons/buttonreference/buttonmessages/wm_ctlcolorbtn.asp

> Question #2: Can the font and color in Button objects be chosen?

I'm not sure about font.  Have you tried creating a new font object, and 
passing it to the button constructor with a-font option?  If not, then 
the answer is still yes, but not easily - you'll need to process the 
NM_CUSTOMDRAW messages for the button.  The MSDN details are at:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/buttons/buttonreference/buttonmessages/wm_ctlcolorbtn.asp
and you'll find an example of how do do (simple) custom draw for a list 
view at
http://perl-win32-gui.sourceforge.net/cgi-bin/wiki.cgi?Change_Listview_Item_Color

See how you get on, and show us where you got to if you need more help. 
  I have not personally looked at customdraw with buttons, but it may be 
that you have to do all the drawing yourself.

Regards,
Rob.
-- 
Robert May
Win32::GUI, a perl extension for native Win32 applications
http://perl-win32-gui.sourceforge.net/