Fullscreen Windows on OSX Lion

BlitzMax Forums/BlitzMax Module Tweaks/Fullscreen Windows on OSX Lion

JoshK

(Posted 2012) [#1]

OS X Lion offers systemwide support for gorgeous, full-screen apps that use every inch of your Mac display. You can have multiple full-screen apps open at once — along with multiple standard-sized apps. And it’s easy to switch between full-screen and desktop views.

It's easy to add fullscreen windows for OSX Lion. First, we need to add a new window style. Open "maxgui.mod/maxgui.mod/gadget.bmx" and add this code at line 68:

Const WINDOW_FULLSCREEN=1024

Now, for the Objective-C side. Open "maxgui.mod/maxgui.mod/maxgui.h" and add this code at line 1761:

#define WINDOW_FULLSCREEN 1024

Open "maxgui.mod/cocoamaxgui.mod/cocoa.macos.m" and add this code at line 1776 (in the WindowView initWithContentRect function). There is a check for OS versions older than Lion, so this should still run on Snow Leopard:

	//OSX Lion full-screen window
	if (gadget->style&WINDOW_FULLSCREEN)
	{
		SInt32 majorVersion, minorVersion;
		Gestalt(gestaltSystemVersionMajor, &majorVersion);
		Gestalt(gestaltSystemVersionMinor, &minorVersion);	
		if (majorVersion > 10 || (majorVersion == 10 && minorVersion >= 7))
		{
			const int NSWindowCollectionBehaviorFullScreenPrimary = 1 << 7;
	    	[self setCollectionBehavior: NSWindowCollectionBehaviorFullScreenPrimary];
		}
	}

To enable full-screen windows, just add the WINDOW_FULLSCREEN style when the window is created. Here's an example program:

Import MaxGui.Drivers

Strict 

Global window:TGadget = CreateWindow( "My Window", 200, 200, 800, 600, Null, WINDOW_DEFAULT|WINDOW_FULLSCREEN )

Global textarea:TGadget = CreateTextArea( 0, 0, ClientWidth(window), ClientHeight(window), window )
	SetGadgetLayout( textarea, EDGE_ALIGNED, EDGE_ALIGNED, EDGE_ALIGNED, EDGE_ALIGNED )
	SetGadgetText( textarea, "A TextArea gadget. :-)~n~nOne line...~n...and then another!")
	ActivateGadget( textarea )

' Select the entire third (index: 2 [base-0]) line.
SelectTextAreaText( textarea, 2, 1, TEXTAREA_LINES )

' Output the properties of the current text selection (should be 1, 1 as set above).
Print "TextAreaCursor(): " + TextAreaCursor( textarea, TEXTAREA_LINES )
Print "TextAreaSelLen(): " + TextAreaSelLen( textarea, TEXTAREA_LINES )

While WaitEvent()
	Print CurrentEvent.ToString()
	Select EventID()
		Case EVENT_WINDOWCLOSE
			End
		Case EVENT_APPTERMINATE
			End
	End Select
Wend

That's it! You can now enable full-screen windows in OSX Lion.

shinkiro1

(Posted 2012) [#2]

Wow! How cool is that. You are a hero!!
Fullscreen is absolutely great. Worked perfectly.
Thank you very much.

Just a note:

Now, for the Objective-C side. Open "maxgui.mod/maxgui.mod/maxgui.h" and add this code at line 1761:

Maybe you meant 'code at line 176'

Last edited 2012

AdamStrange

(Posted 2012) [#3]

heres a question - How would I force an app to go into fullscreen?

I have the menu entries and all that code, I just need the code to trigger the app going into fullscreen ?