Java Code Examples for org.lwjgl.input.Mouse#setNativeCursor()

public void setCursor(ResourceLocation cursor) {
    try {
        BufferedImage image = ImageIO.read(Minecraft.getMinecraft().getResourceManager().getResource(cursor).getInputStream());
        int w = image.getWidth();
        int h = image.getHeight();
        int[] pixels = new int[(w * h)];
        image.getRGB(0, 0, w, h, pixels, 0, w);
        ByteBuffer buffer = BufferUtils.createByteBuffer(w * h * 4);

        for (int y = 0; y < h; y++) {
            for (int x = 0; x < w; x++) {
                int pixel = pixels[(h - 1 - y) * w + x];
                buffer.put((byte) (pixel & 0xFF));
                buffer.put((byte) (pixel >> 8 & 0xFF));
                buffer.put((byte) (pixel >> 16 & 0xFF));
                buffer.put((byte) (pixel >> 24 & 0xFF));
            }
        }

        buffer.flip();
        Mouse.setNativeCursor(new Cursor(w, h, 0, h - 1, 1, buffer.asIntBuffer(), null));
    } catch (Exception ignored) {
    }
}
 

/**
  * {@inheritDoc}
  */
 public void setMouseCursor(Image image, int hotSpotX, int hotSpotY) throws SlickException {
     try {
        Image temp = new Image(get2Fold(image.getWidth()), get2Fold(image.getHeight()));
        Graphics g = temp.getGraphics();
        
        ByteBuffer buffer = BufferUtils.createByteBuffer(temp.getWidth() * temp.getHeight() * 4);
        g.drawImage(image.getFlippedCopy(false, true), 0, 0);
        g.flush();
        g.getArea(0,0,temp.getWidth(),temp.getHeight(),buffer);
        
        Cursor cursor = CursorLoader.get().getCursor(buffer, hotSpotX, hotSpotY,temp.getWidth(),temp.getHeight());
        Mouse.setNativeCursor(cursor);
     } catch (Throwable e) {
        Log.error("Failed to load and apply cursor.", e);
throw new SlickException("Failed to set mouse cursor", e);
     }
  }
 

/**
 * @see org.newdawn.slick.GameContainer#setMouseCursor(org.newdawn.slick.Image, int, int)
 */
public void setMouseCursor(Image image, int hotSpotX, int hotSpotY) throws SlickException {
	try {
		Image temp = new Image(get2Fold(image.getWidth()), get2Fold(image.getHeight()));
		Graphics g = temp.getGraphics();
		
		ByteBuffer buffer = BufferUtils.createByteBuffer(temp.getWidth() * temp.getHeight() * 4);
		g.drawImage(image.getFlippedCopy(false, true), 0, 0);
		g.flush();
		g.getArea(0,0,temp.getWidth(),temp.getHeight(),buffer);
		
		Cursor cursor = CursorLoader.get().getCursor(buffer, hotSpotX, hotSpotY,temp.getWidth(),temp.getHeight());
		Mouse.setNativeCursor(cursor);
	} catch (Throwable e) {
		Log.error("Failed to load and apply cursor.", e);
		throw new SlickException("Failed to set mouse cursor", e);
	}
}
 

public static void hideNativeCursor()
{
	try {
		int min = Cursor.getMinCursorSize();
		IntBuffer tmp = BufferUtils.createIntBuffer(min * min);
		Mouse.setNativeCursor(new Cursor(min, min, min / 2, min / 2, 1, tmp, null));
	} catch (LWJGLException e) {
		softErr(e, "Could not hide native cursor");
	}
}
 

public static void showNativeCursor()
{
	try {
		Mouse.setNativeCursor(null);
	} catch (LWJGLException e) {
		softErr(e, "Could not re-show native cursor");
	}
}
 

private final static void doSetActiveCursor(Cursor cursor) {
	active_cursor = cursor;
	try {
		Mouse.setNativeCursor(LocalEventQueue.getQueue().getDeterministic().isPlayback() ? debug_cursor.getCursor() : cursor);
	} catch (LWJGLException e) {
		throw new RuntimeException(e);
	}
}
 

private void hideCursor() {
	Cursor emptyCursor;

	int min = org.lwjgl.input.Cursor.getMinCursorSize();
	IntBuffer tmp = BufferUtils.createIntBuffer(min * min);
	try {
		emptyCursor = new org.lwjgl.input.Cursor(min, min, min / 2,
				min / 2, 1, tmp, null);

		Mouse.setNativeCursor(emptyCursor);
	} catch (LWJGLException e) {
		EditorLogger.printStackTrace(e);
	}

}
 

/**
 * Hide the Mouse cursor
 * 
 * @param visible
 */
private void setHWCursorVisible(boolean visible) {
    if (Gdx.app.getType() != ApplicationType.Desktop && Gdx.app instanceof LwjglApplication) {
        return;
    }

    try {
        /* make sure the mouse doesn't move off the screen */
        seventh.client.gfx.Cursor cursor = this.uiManager.getCursor();
        cursor.setClampEnabled(config.getVideo().isFullscreen());
        Gdx.input.setCursorCatched(config.getVideo().isFullscreen());
        
        //Gdx.input.setCursorCatched(true);
        //Gdx.input.setCursorPosition(getScreenWidth()/2, getScreenHeight()/2);
        
        Cursor emptyCursor = null;
        if (Mouse.isCreated()) {
            int min = org.lwjgl.input.Cursor.getMinCursorSize();
            IntBuffer tmp = BufferUtils.createIntBuffer(min * min);
            emptyCursor = new org.lwjgl.input.Cursor(min, min, min / 2, min / 2, 1, tmp, null);
        } else {
            Cons.println("Could not create empty cursor before Mouse object is created");
        }
    
        if (/*Mouse.isInsideWindow() &&*/ emptyCursor != null) {
            Mouse.setNativeCursor(visible ? null : emptyCursor);
        }
    }
    catch(LWJGLException e) {
        Cons.println("*** Unable to hide cursor: " + e);
    }
}
 

/**
* @see org.newdawn.slick.GameContainer#setMouseCursor(java.lang.String,
*      int, int)
*/
   public void setMouseCursor(String ref, int hotSpotX, int hotSpotY) throws SlickException {
      try {
         Cursor cursor = CursorLoader.get().getCursor(ref, hotSpotX, hotSpotY);
         Mouse.setNativeCursor(cursor);
      } catch (Throwable e) {
         Log.error("Failed to load and apply cursor.", e);
throw new SlickException("Failed to set mouse cursor", e);
      }
   }
 

/**
    * @see org.newdawn.slick.GameContainer#setMouseCursor(org.newdawn.slick.opengl.ImageData, int, int)
    */
   public void setMouseCursor(ImageData data, int hotSpotX, int hotSpotY) throws SlickException {
      try {
         Cursor cursor = CursorLoader.get().getCursor(data, hotSpotX, hotSpotY);
         Mouse.setNativeCursor(cursor);
      } catch (Throwable e) {
         Log.error("Failed to load and apply cursor.", e);
throw new SlickException("Failed to set mouse cursor", e);
      }
   }
 

/**
    * @see org.newdawn.slick.GameContainer#setMouseCursor(org.lwjgl.input.Cursor, int, int)
    */
   public void setMouseCursor(Cursor cursor, int hotSpotX, int hotSpotY) throws SlickException {
      try {
         Mouse.setNativeCursor(cursor);
      } catch (Throwable e) {
         Log.error("Failed to load and apply cursor.", e);
throw new SlickException("Failed to set mouse cursor", e);
      }
   }
 

/**
 * @see org.newdawn.slick.GameContainer#setMouseCursor(java.lang.String, int, int)
 */
public void setMouseCursor(String ref, int hotSpotX, int hotSpotY) throws SlickException {
	try {
		Cursor cursor = CursorLoader.get().getCursor(ref, hotSpotX, hotSpotY);
		Mouse.setNativeCursor(cursor);
	} catch (Throwable e) {
		Log.error("Failed to load and apply cursor.", e);
		throw new SlickException("Failed to set mouse cursor", e);
	}
}
 

/**
 * @see org.newdawn.slick.GameContainer#setMouseCursor(org.newdawn.slick.opengl.ImageData, int, int)
 */
public void setMouseCursor(ImageData data, int hotSpotX, int hotSpotY) throws SlickException {
	try {
		Cursor cursor = CursorLoader.get().getCursor(data, hotSpotX, hotSpotY);
		Mouse.setNativeCursor(cursor);
	} catch (Throwable e) {
		Log.error("Failed to load and apply cursor.", e);
		throw new SlickException("Failed to set mouse cursor", e);
	}
}
 

/**
 * @see org.newdawn.slick.GameContainer#setMouseCursor(org.lwjgl.input.Cursor, int, int)
 */
public void setMouseCursor(Cursor cursor, int hotSpotX, int hotSpotY) throws SlickException {
	try {
		Mouse.setNativeCursor(cursor);
	} catch (Throwable e) {
		Log.error("Failed to load and apply cursor.", e);
		throw new SlickException("Failed to set mouse cursor", e);
	}
}
 

/**
 * @see org.newdawn.slick.GameContainer#setDefaultMouseCursor()
 */
public void setDefaultMouseCursor() {
	try {
		Mouse.setNativeCursor(null);
	} catch (LWJGLException e) {
		Log.error("Failed to reset mouse cursor", e);
	}
}