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Made Display.getImplementation package private, and made the input.* packages access it through reflection.

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This commit is contained in:
Elias Naur 2006-10-08 09:05:16 +00:00
parent 55f67e68cb
commit ec9b449b78
4 changed files with 54 additions and 23 deletions
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47
src/java/org/lwjgl/input/Mouse.java
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@ -40,8 +40,15 @@ import org.lwjgl.BufferUtils;
import org.lwjgl.LWJGLException;
import org.lwjgl.LWJGLUtil;
import org.lwjgl.Sys;
import org.lwjgl.opengl.DisplayImplementation;
import org.lwjgl.opengl.Display;
import java.lang.reflect.Method;
import java.security.AccessController;
import java.security.PrivilegedExceptionAction;
import java.security.PrivilegedActionException;
/**
* <br>
* A raw Mouse interface. This can be used to poll the current state of the
@ -126,6 +133,8 @@ public class Mouse {
private static final int BUFFER_SIZE = 50;
private static boolean isGrabbed;
private static DisplayImplementation implementation;
/** Whether we're running windows - which need to manually update cursor animation */
private static final boolean isWindows = LWJGLUtil.getPlatform() == LWJGLUtil.PLATFORM_WINDOWS;
@ -163,10 +172,10 @@ public class Mouse {
currentCursor = cursor;
if (isCreated()) {
if (currentCursor != null) {
Display.getImplementation().setNativeCursor(currentCursor.getHandle());
implementation.setNativeCursor(currentCursor.getHandle());
currentCursor.setTimeout();
} else {
Display.getImplementation().setNativeCursor(null);
implementation.setNativeCursor(null);
}
}
return oldCursor;
@ -187,7 +196,7 @@ public class Mouse {
x = event_x = new_x;
y = event_y = new_y;
if (!isGrabbed() && (Cursor.getCapabilities() & Cursor.CURSOR_ONE_BIT_TRANSPARENCY) != 0)
Display.getImplementation().setCursorPosition(x, y);
implementation.setCursorPosition(x, y);
}
/**
@ -211,6 +220,23 @@ public class Mouse {
readBuffer.position(readBuffer.limit());
}
static DisplayImplementation getImplementation() {
/* Use reflection since we can't make Display.getImplementation
* public
*/
try {
return (DisplayImplementation)AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws Exception{
Method getImplementation_method = Display.class.getDeclaredMethod("getImplementation", null);
getImplementation_method.setAccessible(true);
return getImplementation_method.invoke(null, null);
}
});
} catch (PrivilegedActionException e) {
throw new Error(e);
}
}
/**
* "Create" the mouse. The display must first have been created.
* Initially, the mouse is not grabbed and the delta values are reported
@ -224,12 +250,13 @@ public class Mouse {
if (!initialized)
initialize();
if (created) return;
Display.getImplementation().createMouse();
hasWheel = Display.getImplementation().hasWheel();
implementation = getImplementation();
implementation.createMouse();
hasWheel = implementation.hasWheel();
created = true;
// set mouse buttons
buttonCount = Display.getImplementation().getButtonCount();
buttonCount = implementation.getButtonCount();
buttons = BufferUtils.createByteBuffer(buttonCount);
coord_buffer = BufferUtils.createIntBuffer(3);
if (currentCursor != null)
@ -255,7 +282,7 @@ public class Mouse {
buttons = null;
coord_buffer = null;
Display.getImplementation().destroyMouse();
implementation.destroyMouse();
}
/**
@ -281,7 +308,7 @@ public class Mouse {
*/
public static void poll() {
if (!created) throw new IllegalStateException("Mouse must be created before you can poll it");
Display.getImplementation().pollMouse(coord_buffer, buttons);
implementation.pollMouse(coord_buffer, buttons);
/* If we're grabbed, poll returns mouse deltas, if not it returns absolute coordinates */
int poll_coord1 = coord_buffer.get(0);
@ -308,7 +335,7 @@ public class Mouse {
private static void read() {
readBuffer.compact();
Display.getImplementation().readMouse(readBuffer);
implementation.readMouse(readBuffer);
readBuffer.flip();
}
@ -527,7 +554,7 @@ public class Mouse {
public static void setGrabbed(boolean grab) {
isGrabbed = grab;
if (isCreated()) {
Display.getImplementation().grabMouse(isGrabbed);
implementation.grabMouse(isGrabbed);
resetMouse();
}
}