Re: frame size hints - for Wine

[Dominik Vogt <dominik vogt gmx de>]

On Wed, Jan 29, 2003 at 04:11:05AM +0900, Mike McCormack wrote:
> 
> Hi All,
> 
> I read the thread last November about "frame size hints".
> 
> Wine is another "application" where it would be nice to know how large 
> the window manager frame is.
> 
> Wine needs to know the border sizes when calculating the size of a 
> window's client area.  The Win32 API passes the size and location of the 
> whole window, including the frame to CreateWindow, so to find the 
> correct size of the client area, we should first remove the size of the 
> window frame...
> 
> The biggest problem is that we need to know this before the window is 
> mapped, so that we can send the application a WM_WINDOWPOSCHANGING 
> message with its new size :-(
> 
> Because we have no reliable way to determine the frame size, Wine 
> currently has problems when an application maximizes a window, or 
> creates a window the size of the screen... the client area may be 
> incorrectly sized, or the borders of the window may not be visible.
> 
> If the window manager specification could provide a way to 
> (pre-)determine the size of the frame, it would be a good thing for the 
> Wine project.

It is simply impossible to provide that information under X.
Window managers are free to change the size of the decorations at
any time.

Bye

Dominik ^_^  ^_^