Re: Fullscreen on secondary displays
Re: Fullscreen on secondary displays
- Subject: Re: Fullscreen on secondary displays
- From: Jean-Daniel Dupas <email@hidden>
- Date: Wed, 14 May 2008 00:30:18 +0200
Switch to fullscreen in a couple of line and without capturing display
('uiView' is your custom view with custom drawing code):
SetSystemUIMode(kUIModeAllSuppressed, kUIOptionAutoShowMenuBar);
NSScreen *screen = [[uiView window] screen];
NSWindow *window = [[NSWindow alloc] initWithContentRect:[screen
frame]
styleMask:NSBorderlessWindowMask
backing:NSBackingStoreBuffered
defer:NO
screen:screen];
[uiView retain];
[uiView removeFromSuperview];
[window setContentView:uiView];
[uiView release];
[window makeKeyAndOrderFront:sender];
[NSCursor setHiddenUntilMouseMoves:YES];
Revert to the window mode is left as an exercice for the reader ;-)
Le 13 mai 08 à 23:47, Dennis Munsie a écrit :
Other than me wanting to avoid re-writing my view drawing code? :)
I will probably look into doing this -- of the unanswered questions
that I have is will I be able to toggle (relatively) easily between a
full-screen context and a windowed context? Do I need to completely
throw out my NS* drawing code? Or can I legitimately get away with
throwing out my NSWindow and NSView usage while in fullscreen mode?
Part of this stems from the fact that this is only a personal use app
right now -- so I'm not necessarily tied to the right way of doing
things at the moment. If I decide to distribute this in any way, I
would be all for ripping things out and re-writing as necessary. But
right now, I just need to have something working on my laptop only :)
thanks!
dennis
On Tue, May 13, 2008 at 5:00 PM, John Stiles <email@hidden>
wrote:
None of this really refutes what Ricky posted.
You are just lucky that it works in the one-display case. It really
isn't
designed to work, and on some configurations, it just won't.
Is there anything preventing you from following Ricky's advice?
Dennis Munsie wrote:
In this case, what I am trying to accomplish is something along the
lines of how Keynote and Powerpoint behave. I only want to take over
one display, most likely connected up to a projector. But, I also
occasionally want to have it in a window. I'm not expecting any
controls to work -- this is strictly a view-only window.
Also -- the code currently works just fine for the case of a single
display machine or when the window is on the main display. I just
need to make it work when the window is on another display.
thanks!
dennis
On Tue, May 13, 2008 at 4:23 PM, Ricky Sharp <email@hidden> wrote:
Ack. Do not expect to use AppKit with a captured display. I really
wish
all those archived code examples out there would just vanish; just
leads to
more folks doing this.
Anyhow, if you really must capture the display using the CG APIs,
please
note that there's different mechanisms for getting data onto the
screen.
Search cocoa-dev and quartz-dev for the details on why you cannot
use AppKit
with captured displays.
If you must use AppKit, you can always use a call to
SetSystemUIMode (to
hide menu bar and dock). Then, enumerate all screens and put up
"blanking"
windows on each one. Then, put up your "content" window over a
particular
blanking one. See the child window APIs for how you can ensure that
the
content window is never brought forward over the blanking one.
This latter approach is what I've done for the past few years and has
worked great.
___________________________________________________________
Ricky A. Sharp mailto:email@hidden
Instant Interactive(tm) http://www.instantinteractive.com
--
dennis
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