Java-Gaming.org    
Featured games (91)
games approved by the League of Dukes
Games in Showcase (580)
games submitted by our members
Games in WIP (500)
games currently in development
News: Read the Java Gaming Resources, or peek at the official Java tutorials
 
    Home     Help   Search   Login   Register   
Pages: [1]
  ignore  |  Print  
  Hiding mouse cursor  (Read 1912 times)
0 Members and 1 Guest are viewing this topic.
Offline roland
« Posted 2012-10-24 03:36:34 »

Hey, I have a problem.
I might use
1  
Mouse.setGrabbed(true);
which is fine, but in the case where I want to be able to use the mouse outside the window:


1  
2  
Cursor emptyCursor = new Cursor(1, 1, 0, 0, 1, BufferUtils.createIntBuffer(1), null);
Mouse.setNativeCursor(emptyCursor);

taken from http://lwjgl.org/forum/index.php?topic=594.0

This doesn't actually completely hide the cursor. It creates a 1x1 BLACK pixel cursor.
I have tried to create an int buffer that contains a single integer with no alpha (eg new Color(0,0,0,0).getRGB()), this doesn't work.

Anyone have any ideas?

Offline ReBirth
« Reply #1 - Posted 2012-10-24 04:04:31 »

Use your own 1x1 transparent texture?

Offline davedes
« Reply #2 - Posted 2012-10-24 09:13:18 »

Here is the code I use:
1  
2  
3  
4  
5  
6  
7  
... in loop ...
if (emptyCursor==null && Mouse.isCreated() && Mouse.isInsideWindow()) {
        int min = Cursor.getMinCursorSize();
        IntBuffer tmp = BufferUtils.createIntBuffer(min * min);
        emptyCursor = new Cursor(min, min, min/2, min/2, 1, tmp, null);
        Mouse.setNativeCursor(emptyCursor);
}


Some systems may not support transparency. You can check for the cursor's capabilities like so:
1  
2  
3  
4  
5  
6  
System.out.println( "1 bit transparency? "+
     ((Cursor.getCapabilities() & Cursor.CURSOR_ONE_BIT_TRANSPARANCY)
     == Cursor.CURSOR_ONE_BIT_TRANSPARANCY) );
System.out.println( "8 bit transparency? "+
     ((Cursor.getCapabilities() & Cursor. CURSOR_8_BIT_ALPHA)
     == Cursor.CURSOR_8_BIT_ALPHA) );

Games published by our own members! Check 'em out!
Legends of Yore - The Casual Retro Roguelike
Offline roland
« Reply #3 - Posted 2012-10-24 09:53:04 »

Thanks davedes! it works perfectly Smiley
Pages: [1]
  ignore  |  Print  
 
 
You cannot reply to this message, because it is very, very old.

 

Add your game by posting it in the WIP section,
or publish it in Showcase.

The first screenshot will be displayed as a thumbnail.

xsi3rr4x (50 views)
2014-04-15 18:08:23

BurntPizza (46 views)
2014-04-15 03:46:01

UprightPath (62 views)
2014-04-14 17:39:50

UprightPath (44 views)
2014-04-14 17:35:47

Porlus (61 views)
2014-04-14 15:48:38

tom_mai78101 (84 views)
2014-04-10 04:04:31

BurntPizza (142 views)
2014-04-08 23:06:04

tom_mai78101 (242 views)
2014-04-05 13:34:39

trollwarrior1 (201 views)
2014-04-04 12:06:45

CJLetsGame (208 views)
2014-04-01 02:16:10
List of Learning Resources
by SHC
2014-04-18 03:17:39

List of Learning Resources
by Longarmx
2014-04-08 03:14:44

Good Examples
by matheus23
2014-04-05 13:51:37

Good Examples
by Grunnt
2014-04-03 15:48:46

Good Examples
by Grunnt
2014-04-03 15:48:37

Good Examples
by matheus23
2014-04-01 18:40:51

Good Examples
by matheus23
2014-04-01 18:40:34

Anonymous/Local/Inner class gotchas
by Roquen
2014-03-11 15:22:30
java-gaming.org is not responsible for the content posted by its members, including references to external websites, and other references that may or may not have a relation with our primarily gaming and game production oriented community. inquiries and complaints can be sent via email to the info‑account of the company managing the website of java‑gaming.org
Powered by MySQL Powered by PHP Powered by SMF 1.1.18 | SMF © 2013, Simple Machines | Managed by Enhanced Four Valid XHTML 1.0! Valid CSS!