Here's one technique posted recently to the Cocoa-Dev list:
From: email@hidden
Subject: Solved Re: Fullscreen window after hiding Dock
works in 10.4 but not 10.3
Date: August 3, 2005 3:12:28 PM EDT (CA)
To: email@hidden
**Summary
Here's one solution to display a window full-screen with no menu-bar
or dock:
1) Insert LSUIPresentationMode = 3 into info.plist
2) override - (NSRect)windowWillUseStandardFrame:(NSWindow *)sender
defaultFrame:(NSRect)defaultFrame in your window's delegate
3) override - (void)applicationDidBecomeActive:(NSNotification *)
aNotification in your app's delegate
Note: Info.plist directives are completely processed when an app
receives it's NSApplicationDidBecomeActiveNotification.
**Problem
You want to use OS X to display your application's window without
Users seeing the Dock or the menu-bar; possibly without Users
interacting through the Dock or menu-bar.
**Detail
The problem Eric describes (see below) has been asked many times on
the Java and Cocoa lists. This solution is common to Java or Cocoa
apps built using an info.plist. I don't, yet, have an answer for pure-
Java apps.
**Solution
This solution works for apps that have an Info.plist file E.g. Cocoa
apps and Cocoa-Java Apps
1) Remove the Dock and Menu-bar from the screen. Add a
LSUIPresentationMode key to your info.plist file as described here:
This key identifies the initial user-interface mode for the
application. You would use this in applications that may need to take
over portions of the screen that contain UI elements such as the Dock
and menu bar. Most modes affect only UI elements that appear in the
content area of the screen, that is, the area of the screen that does
not include the menu bar. However, you can request that all UI
elements be hidden as well."
-----------------End Topic---------------------
I used a key value of 4 so that the Dock and Menu-bar would re-appear
if I hovered my mouse over the position where they should have been.
If a value of 3 is used the Dock and Menu-bar will not re-appear. The
app's apple-Q key combination will still work; the app quits.
2) Make your app's window as large as possible.
Override - (NSRect)windowWillUseStandardFrame:(NSWindow *)sender
defaultFrame:(NSRect)defaultFrame in your window's delegate
This sets the window's frame-size to the largest area supported by
the screen. My second attempt used this code plus [window zoom] to
make my window fill the screen. This attempt didn't work because the
menu-bar was still visible when windowWillUseStandardFrame was
called. I got a large window with a menu-bar sized strip of my
Desktop visible. I saw the window appear, zoom and then the menu-bar
disappeared.
The problem is that the zoom is called too early; before the
Info.plist LSUIPresentationMode key processing completes. So ...
3) override - (void)applicationDidBecomeActive:(NSNotification *)
aNotification in your app's delegate
- (void)applicationDidBecomeActive:(NSNotification *)aNotification
{
NSLog(@"Application did become active");
//Get the array of windows our application owns
NSArray *windows = [app windows];
NSLog(@"windows %@", windows);
//Assume we have one window for this example
NSWindow *mywindow = [windows objectAtIndex:0];
//Make our window the key window and order to the front
[mywindow makeKeyAndOrderFront:self];
//Send a zoom message to our window
[mywindow performZoom:self];
}
AFAIK applicationDidBecomeActive is the last app-delegate method
called after an app launches. For this example
applicationDidBecomeActive is called late enough that
LSUIPresentationMode has taken effect. The menu-bar disappears and
the app window zooms. The result is a full-screen window.
The Summary-note, above, is worth considering. Conceptually I'd
thought info.plist would be processed before my app started running
(before I see a window on the screen). This example shows that
assumption isn't true. :-) Worth remembering for the future ...
Note: SetSystemUIMode http://developer.apple.com/technotes/tn2002/tn2062.html
Although the menu-bar is not visible it's still active; you can shift-
apple-Q to logout for example. Use SetSystemUIMode and SystemUIOption
to disable the menu-bar functions.
I have a Cocoa-app XCode 2.1 project with the code shown above. All
the classes and methods used are available via the Java-bridge. Some
delegate methods are never called; I included them for comparison. If
you want a copy email me and I'll send the archived project to you.
Size is approx 55k.
Rob
On 2-Aug-05, at 9:47 PM, Robert MacGregor wrote:
On 2-Aug-05, at 8:01 PM, Crichlow, Eric wrote:
I've tried 2 different ways of hiding the Dock while my app is
running,
NSMenu's setMenuBarVisible call, and SetSystemUIMode. In both
cases, if I
make the call and then try to create a full screen window, even if
the
window is created several seconds later, after other processing is
done, the
Dock is hidden, but the window still comes up and won't cover the
area of
the screen where the Dock had been located.
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