[mythtv] [PATCH] Multiple screen sanity (not just on Mac OS X)

[Nigel Pearson]

On 25 Nov 2004, at 10:47 PM, Nigel Pearson wrote:
> 	On a Mac with multiple screens, the GUI spans the screen
> because the context uses the whole desktop. i.e.
>         m_height = QApplication::desktop()->height();
>         m_width = QApplication::desktop()->width();


On 26/11/2004, at 11:47 PM, Jeremiah Morris wrote:
> This patch adds OS X-specific code, to go along with the X11-specific 
> code.  However, QDesktopWidget is already designed to support Xinerama 
> and multiple screens.

	True. Much better to use Qt, and get it right for all platforms.


>   It looks like the following should work on all platforms:
>
> int screen = gContext->GetNumSetting("XineramaScreen", 0);
> if (screen >= QApplication::desktop()->numScreens())
>     screen = 0;
> QRect bounds = QApplication::desktop()->availableGeometry(screen);
> x = bounds.x();
> y = bounds.y();
> width = bounds.width();
> height = bounds.height();

	There are a few places in mythcontext.cpp and tv_play.cpp
where the whole desktop's dimensions are used, so I made your
code into a new MythContext::GetScreenBounds(). The attached
patch uses that, throws away the X11-specific code, and slightly
changes the meaning of the "Xinerama screen" setting.

	To use all attached screens now requires a value of -1
in that setting.

	If a few users would test this in the next week or so,
(particularly multi-screen Xinerama-ers) I would appreciate it,
as I have only tested on Mac OS X. If no problems, into CVS it goes.

% cvs diff -u libs/libmyth/{util.h,util.cpp,mythcontext.cpp} 
libs/libmythtv/tv_play.cpp >../patch.general.8

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