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package org.lwjgl.test.input;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.IntBuffer;
import org.lwjgl.input.Cursor;
import org.lwjgl.input.Keyboard;
import org.lwjgl.input.Mouse;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import static org.lwjgl.opengl.GL11.*;
import static org.lwjgl.util.glu.GLU.*;
/**
*
* Tests switching between windowed and fullscreen - including hardware cursor test
*
* @author Brian Matzon <brian@matzon.dk>
* @version $Revision: 3418 $
* $Id: HWCursorTest.java 3418 2010-09-28 21:11:35Z spasi $
*/
public class HWCursorTest {
/** The native cursor */
private static Cursor[] cursors;
/** The mouse cursor position */
private static int mouse_x;
private static int mouse_y;
private static int mouse_btn;
/**
* Executes the test
*/
public void execute() {
initialize();
mainLoop();
cleanup();
}
/**
* Sets the display mode for fullscreen mode
*/
protected boolean setDisplayMode() {
try {
// get modes
DisplayMode[] dm = org.lwjgl.util.Display.getAvailableDisplayModes(640, 480, -1, -1, -1, -1, 60, 60);
org.lwjgl.util.Display.setDisplayMode(dm, new String[] {
"width=" + 640,
"height=" + 480,
"freq=" + 60,
"bpp=" + org.lwjgl.opengl.Display.getDisplayMode().getBitsPerPixel()
});
return true;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
/**
* Initializes the test
*/
private void initialize() {
try {
// start of in windowed mode
setDisplayMode();
Display.create();
glInit();
initNativeCursors();
} catch (Exception e) {
e.printStackTrace();
System.exit(-1);
}
}
private static void initNativeCursors() throws Exception {
if ((Cursor.getCapabilities() & Cursor.CURSOR_ONE_BIT_TRANSPARENCY) == 0) {
System.out.println("No HW cursor support!");
System.exit(0);
}
cursors = new Cursor[3];
int cursorImageCount = 1;
int cursorWidth = Math.min(64, Cursor.getMaxCursorSize());
int cursorHeight = cursorWidth;
IntBuffer cursorImages;
IntBuffer cursorDelays;
// Create a single cursor
// ==================================
cursorImages = ByteBuffer.allocateDirect(cursorWidth*cursorHeight*cursorImageCount*4).order(ByteOrder.nativeOrder()).asIntBuffer();
cursorDelays = null;
for(int j=0; j<cursorWidth; j++) {
for(int l=0; l<cursorHeight; l++) {
cursorImages.put(0xffffffff);
}
}
cursorImages.flip();
cursors[0] = new Cursor(cursorWidth, cursorHeight, cursorWidth/2, cursorHeight/2, cursorImageCount, cursorImages, cursorDelays);
// ----------------------------------
// Create 3 piece animation
// ==================================
cursorImageCount = 3;
cursorImages = ByteBuffer.allocateDirect(cursorWidth*cursorHeight*cursorImageCount*4).order(ByteOrder.nativeOrder()).asIntBuffer();
cursorDelays = ByteBuffer.allocateDirect(cursorImageCount*4).order(ByteOrder.nativeOrder()).asIntBuffer();
for(int i=0; i<cursorImageCount; i++) {
// make a colored square with a chocolate center
int offColor = 0x00000000;
int onColor = 0xffff0000;
// change color according to cursor
if(i == 1) {
onColor = 0xff00ff00;
} else if (i == 2) {
onColor = 0xff0000ff;
}
// calculate size of center
int centerSize = (cursorWidth / 5) * (i + 1);
int centerLeft = cursorWidth / 2 - centerSize / 2;
int centerRight = cursorWidth / 2 + centerSize / 2;
// go!
for(int j=0; j<cursorWidth; j++) {
for(int l=0; l<cursorHeight; l++) {
if(j >= centerLeft && j < centerRight && l >= centerLeft && l < centerRight) {
cursorImages.put(offColor);
} else {
cursorImages.put(onColor);
}
}
}
}
cursorDelays.put(2000).put(2000).put(2000);
cursorDelays.flip();
cursorImages.flip();
cursors[1] = new Cursor(cursorWidth, cursorHeight, cursorWidth/2, cursorHeight/2, cursorImageCount, cursorImages, cursorDelays);
// ----------------------------------
// Create a 20 piece animation
// ==================================
cursorImageCount = 20;
cursorImages = ByteBuffer.allocateDirect(cursorWidth*cursorHeight*cursorImageCount*4).order(ByteOrder.nativeOrder()).asIntBuffer();
cursorDelays = ByteBuffer.allocateDirect(cursorImageCount*4).order(ByteOrder.nativeOrder()).asIntBuffer();
cursorDelays.put(
new int[] {
100, 100, 100, 100, 100,
100, 100, 100, 100, 100,
100, 100, 100, 100, 100,
100, 100, 100, 100, 100
});
float step = 0xffffffff / 20.0f;
for(int i=0; i<cursorImageCount; i++) {
for(int j=0; j<cursorWidth; j++) {
for(int l=0; l<cursorHeight; l++) {
cursorImages.put((int)step);
}
}
step += step;
}
cursorImages.flip();
cursorDelays.flip();
cursors[2] = new Cursor(cursorWidth, cursorHeight, cursorWidth/2, cursorHeight/2, cursorImageCount, cursorImages, cursorDelays);
// ----------------------------------
Mouse.setNativeCursor(cursors[0]);
}
/**
* Runs the main loop of the "test"
*/
private void mainLoop() {
while (!Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)
&& !Display.isCloseRequested()) {
// allow subsystem to get a chance to run too
Display.update();
if (Display.isVisible()) {
// check keyboard input
processKeyboard();
processMouse();
render();
} else {
// no need to render/paint if nothing has changed (ie. window dragged over)
if (Display.isDirty()) {
render();
}
// don't waste cpu time, sleep more
try {
Thread.sleep(100);
} catch (InterruptedException inte) {
}
}
}
}
/**
* Performs the logic
*/
private void render() {
//clear background
glClear(GL_COLOR_BUFFER_BIT);
// draw white quad
glPushMatrix();
{
glTranslatef(mouse_x, mouse_y, 0);
glColor3f(1.0f, 1.0f, 1.0f);
glBegin(GL_QUADS);
{
glColor3f(1.0f, 0.0f, 0.0f); glVertex2i(-50, -50);
glColor3f(0.0f, 1.0f, 0.0f); glVertex2i(50, -50);
glColor3f(0.0f, 0.0f, 1.0f); glVertex2i(50, 50);
glColor3f(1.0f, 0.0f, 1.0f); glVertex2i(-50, 50);
}
glEnd();
}
glPopMatrix();
}
private void processMouse() {
mouse_x = Mouse.getX();
mouse_y = Mouse.getY();
while(Mouse.next()) {
int button = Mouse.getEventButton();
if(button >= 0 && button < 3 && Mouse.getEventButtonState()) {
mouse_btn = Mouse.getEventButton();
switchCursor();
}
}
}
/**
* Processes keyboard input
*/
private void processKeyboard() {
//check for fullscreen key
if (Keyboard.isKeyDown(Keyboard.KEY_F)) {
try {
try {
Mouse.setNativeCursor(null);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
for ( Cursor aCursor : cursors ) {
aCursor.destroy();
}
Display.setFullscreen(true);
glInit();
initNativeCursors();
} catch (Exception e) {
e.printStackTrace();
}
}
//check for window key
if (Keyboard.isKeyDown(Keyboard.KEY_W)) {
try {
try {
Mouse.setNativeCursor(null);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
for ( Cursor cursor : cursors ) {
cursor.destroy();
}
Display.setFullscreen(false);
glInit();
initNativeCursors();
} catch (Exception e) {
e.printStackTrace();
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_M)) {
try {
Mouse.setNativeCursor(null);
} catch (Exception e) {
e.printStackTrace();
}
}
if (Keyboard.isKeyDown(Keyboard.KEY_N)) {
switchCursor();
}
while(Keyboard.next()) {
if(Keyboard.getEventKey() == Keyboard.KEY_SPACE && Keyboard.getEventKeyState()) {
Mouse.setGrabbed(!Mouse.isGrabbed());
}
}
}
private void switchCursor() {
try {
Mouse.setNativeCursor(cursors[mouse_btn]);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Cleans up the test
*/
private void cleanup() {
try {
Mouse.setNativeCursor(null);
} catch (Exception e) {
e.printStackTrace();
System.exit(1);
}
for ( Cursor cursor : cursors ) {
cursor.destroy();
}
Display.destroy();
}
/**
* Initializes OGL
*/
private void glInit() {
// Go into orthographic projection mode.
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0, Display.getDisplayMode().getWidth(), 0, Display.getDisplayMode().getHeight());
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glViewport(0, 0, Display.getDisplayMode().getWidth(), Display.getDisplayMode().getHeight());
//set clear color to black
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
//sync frame (only works on windows)
Display.setVSyncEnabled(true);
}
/**
* Test entry point
*/
public static void main(String[] args) {
System.out.println("Change between fullscreen and windowed mode, by pressing F and W respectively. Enable hw cursor with N and disable it with M.");
HWCursorTest cursorTest = new HWCursorTest();
cursorTest.execute();
System.exit(0);
}
}