/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.backends.lwjgl3;
import java.nio.IntBuffer;
import org.lwjgl.BufferUtils;
import org.lwjgl.glfw.GLFW;
import org.lwjgl.glfw.GLFWDropCallback;
import org.lwjgl.glfw.GLFWImage;
import org.lwjgl.glfw.GLFWWindowCloseCallback;
import org.lwjgl.glfw.GLFWWindowFocusCallback;
import org.lwjgl.glfw.GLFWWindowIconifyCallback;
import org.lwjgl.glfw.GLFWWindowMaximizeCallback;
import org.lwjgl.glfw.GLFWWindowRefreshCallback;
import com.badlogic.gdx.ApplicationListener;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Files;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.utils.Array;
import com.badlogic.gdx.utils.Disposable;
import com.badlogic.gdx.utils.SharedLibraryLoader;
public class Lwjgl3Window implements Disposable {
private long windowHandle;
private final ApplicationListener listener;
private boolean listenerInitialized = false;
private Lwjgl3WindowListener windowListener;
private Lwjgl3Graphics graphics;
private Lwjgl3Input input;
private final Lwjgl3ApplicationConfiguration config;
private final Array<Runnable> runnables = new Array<Runnable>();
private final Array<Runnable> executedRunnables = new Array<Runnable>();
private final IntBuffer tmpBuffer;
private final IntBuffer tmpBuffer2;
private boolean iconified = false;
private boolean requestRendering = false;
private final GLFWWindowFocusCallback focusCallback = new GLFWWindowFocusCallback() {
@Override
public void invoke(long windowHandle, final boolean focused) {
postRunnable(new Runnable() {
@Override
public void run() {
if(windowListener != null) {
if(focused) {
windowListener.focusGained();
} else {
windowListener.focusLost();
}
}
}
});
}
};
private final GLFWWindowIconifyCallback iconifyCallback = new GLFWWindowIconifyCallback() {
@Override
public void invoke(long windowHandle, final boolean iconified) {
postRunnable(new Runnable() {
@Override
public void run() {
if(windowListener != null) {
windowListener.iconified(iconified);
}
Lwjgl3Window.this.iconified = iconified;
if(iconified) {
listener.pause();
} else {
listener.resume();
}
}
});
}
};
private final GLFWWindowMaximizeCallback maximizeCallback = new GLFWWindowMaximizeCallback() {
@Override
public void invoke (long windowHandle, final boolean maximized) {
postRunnable(new Runnable() {
@Override
public void run() {
if(windowListener != null) {
windowListener.maximized(maximized);
}
}
});
}
};
private final GLFWWindowCloseCallback closeCallback = new GLFWWindowCloseCallback() {
@Override
public void invoke(final long windowHandle) {
postRunnable(new Runnable() {
@Override
public void run() {
if(windowListener != null) {
if(!windowListener.closeRequested()) {
GLFW.glfwSetWindowShouldClose(windowHandle, false);
}
}
}
});
}
};
private final GLFWDropCallback dropCallback = new GLFWDropCallback() {
@Override
public void invoke(final long windowHandle, final int count, final long names) {
final String[] files = new String[count];
for (int i = 0; i < count; i++) {
files[i] = getName(names, i);
}
postRunnable(new Runnable() {
@Override
public void run() {
if(windowListener != null) {
windowListener.filesDropped(files);
}
}
});
}
};
private final GLFWWindowRefreshCallback refreshCallback = new GLFWWindowRefreshCallback() {
@Override
public void invoke(long windowHandle) {
postRunnable(new Runnable() {
@Override
public void run() {
if (windowListener != null) {
windowListener.refreshRequested();
}
}
});
}
};
Lwjgl3Window(ApplicationListener listener, Lwjgl3ApplicationConfiguration config) {
this.listener = listener;
this.windowListener = config.windowListener;
this.config = config;
this.tmpBuffer = BufferUtils.createIntBuffer(1);
this.tmpBuffer2 = BufferUtils.createIntBuffer(1);
}
void create(long windowHandle) {
this.windowHandle = windowHandle;
this.input = new Lwjgl3Input(this);
this.graphics = new Lwjgl3Graphics(this);
GLFW.glfwSetWindowFocusCallback(windowHandle, focusCallback);
GLFW.glfwSetWindowIconifyCallback(windowHandle, iconifyCallback);
GLFW.glfwSetWindowMaximizeCallback(windowHandle, maximizeCallback);
GLFW.glfwSetWindowCloseCallback(windowHandle, closeCallback);
GLFW.glfwSetDropCallback(windowHandle, dropCallback);
GLFW.glfwSetWindowRefreshCallback(windowHandle, refreshCallback);
if (windowListener != null) {
windowListener.created(this);
}
}
/** @return the {@link ApplicationListener} associated with this window **/
public ApplicationListener getListener() {
return listener;
}
/** @return the {@link Lwjgl3WindowListener} set on this window **/
public Lwjgl3WindowListener getWindowListener() {
return windowListener;
}
public void setWindowListener(Lwjgl3WindowListener listener) {
this.windowListener = listener;
}
/**
* Post a {@link Runnable} to this window's event queue. Use this
* if you access statics like {@link Gdx#graphics} in your runnable
* instead of {@link Application#postRunnable(Runnable)}.
*/
public void postRunnable(Runnable runnable) {
synchronized(runnables) {
runnables.add(runnable);
}
}
/** Sets the position of the window in logical coordinates. All monitors
* span a virtual surface together. The coordinates are relative to
* the first monitor in the virtual surface. **/
public void setPosition(int x, int y) {
GLFW.glfwSetWindowPos(windowHandle, x, y);
}
/** @return the window position in logical coordinates. All monitors
* span a virtual surface together. The coordinates are relative to
* the first monitor in the virtual surface. **/
public int getPositionX() {
GLFW.glfwGetWindowPos(windowHandle, tmpBuffer, tmpBuffer2);
return tmpBuffer.get(0);
}
/** @return the window position in logical coordinates. All monitors
* span a virtual surface together. The coordinates are relative to
* the first monitor in the virtual surface. **/
public int getPositionY() {
GLFW.glfwGetWindowPos(windowHandle, tmpBuffer, tmpBuffer2);
return tmpBuffer2.get(0);
}
/**
* Sets the visibility of the window. Invisible windows will still
* call their {@link ApplicationListener}
*/
public void setVisible(boolean visible) {
if(visible) {
GLFW.glfwShowWindow(windowHandle);
} else {
GLFW.glfwHideWindow(windowHandle);
}
}
/**
* Closes this window and pauses and disposes the associated
* {@link ApplicationListener}.
*/
public void closeWindow() {
GLFW.glfwSetWindowShouldClose(windowHandle, true);
}
/**
* Minimizes (iconifies) the window. Iconified windows do not call
* their {@link ApplicationListener} until the window is restored.
*/
public void iconifyWindow() {
GLFW.glfwIconifyWindow(windowHandle);
}
/**
* De-minimizes (de-iconifies) and de-maximizes the window.
*/
public void restoreWindow() {
GLFW.glfwRestoreWindow(windowHandle);
}
/**
* Maximizes the window.
*/
public void maximizeWindow() {
GLFW.glfwMaximizeWindow(windowHandle);
}
/**
* Sets the icon that will be used in the window's title bar. Has no effect in macOS, which doesn't use window icons.
* @param image One or more images. The one closest to the system's desired size will be scaled. Good sizes include
* 16x16, 32x32 and 48x48. Pixmap format {@link Pixmap.Format.RGBA8888 RGBA8888} is preferred so the images will not
* have to be copied and converted. The chosen image is copied, and the provided Pixmaps are not disposed.
*/
public void setIcon (Pixmap... image) {
setIcon(windowHandle, image);
}
static void setIcon(long windowHandle, String[] imagePaths, Files.FileType imageFileType) {
if (SharedLibraryLoader.isMac)
return;
Pixmap[] pixmaps = new Pixmap[imagePaths.length];
for (int i = 0; i < imagePaths.length; i++) {
pixmaps[i] = new Pixmap(Gdx.files.getFileHandle(imagePaths[i], imageFileType));
}
setIcon(windowHandle, pixmaps);
for (Pixmap pixmap : pixmaps) {
pixmap.dispose();
}
}
static void setIcon(long windowHandle, Pixmap[] images) {
if (SharedLibraryLoader.isMac)
return;
GLFWImage.Buffer buffer = GLFWImage.malloc(images.length);
Pixmap[] tmpPixmaps = new Pixmap[images.length];
for (int i = 0; i < images.length; i++) {
Pixmap pixmap = images[i];
if (pixmap.getFormat() != Pixmap.Format.RGBA8888) {
Pixmap rgba = new Pixmap(pixmap.getWidth(), pixmap.getHeight(), Pixmap.Format.RGBA8888);
rgba.setBlending(Pixmap.Blending.None);
rgba.drawPixmap(pixmap, 0, 0);
tmpPixmaps[i] = rgba;
pixmap = rgba;
}
GLFWImage icon = GLFWImage.malloc();
icon.set(pixmap.getWidth(), pixmap.getHeight(), pixmap.getPixels());
buffer.put(icon);
icon.free();
}
buffer.position(0);
GLFW.glfwSetWindowIcon(windowHandle, buffer);
buffer.free();
for (Pixmap pixmap : tmpPixmaps) {
if (pixmap != null) {
pixmap.dispose();
}
}
}
public void setTitle (CharSequence title){
GLFW.glfwSetWindowTitle(windowHandle, title);
}
/** Sets minimum and maximum size limits for the window. If the window is full screen or not resizable, these limits are
* ignored. Use -1 to indicate an unrestricted dimension. */
public void setSizeLimits (int minWidth, int minHeight, int maxWidth, int maxHeight) {
setSizeLimits(windowHandle, minWidth, minHeight, maxWidth, maxHeight);
}
static void setSizeLimits (long windowHandle, int minWidth, int minHeight, int maxWidth, int maxHeight) {
GLFW.glfwSetWindowSizeLimits(windowHandle,
minWidth > -1 ? minWidth: GLFW.GLFW_DONT_CARE,
minHeight > -1 ? minHeight : GLFW.GLFW_DONT_CARE,
maxWidth > -1 ? maxWidth : GLFW.GLFW_DONT_CARE,
maxHeight > -1 ? maxHeight : GLFW.GLFW_DONT_CARE);
}
Lwjgl3Graphics getGraphics() {
return graphics;
}
Lwjgl3Input getInput() {
return input;
}
long getWindowHandle() {
return windowHandle;
}
void windowHandleChanged(long windowHandle) {
this.windowHandle = windowHandle;
input.windowHandleChanged(windowHandle);
}
boolean update() {
if(!listenerInitialized) {
initializeListener();
}
synchronized(runnables) {
executedRunnables.addAll(runnables);
runnables.clear();
}
for(Runnable runnable: executedRunnables) {
runnable.run();
}
boolean shouldRender = executedRunnables.size > 0 || graphics.isContinuousRendering();
executedRunnables.clear();
if (!iconified)
input.update();
synchronized (this) {
shouldRender |= requestRendering && !iconified;
requestRendering = false;
}
if (shouldRender) {
graphics.update();
listener.render();
GLFW.glfwSwapBuffers(windowHandle);
}
if (!iconified)
input.prepareNext();
return shouldRender;
}
void requestRendering() {
synchronized (this) {
this.requestRendering = true;
}
}
boolean shouldClose() {
return GLFW.glfwWindowShouldClose(windowHandle);
}
Lwjgl3ApplicationConfiguration getConfig() {
return config;
}
boolean isListenerInitialized() {
return listenerInitialized;
}
void initializeListener() {
if(!listenerInitialized) {
listener.create();
listener.resize(graphics.getWidth(), graphics.getHeight());
listenerInitialized = true;
}
}
void makeCurrent() {
Gdx.graphics = graphics;
Gdx.gl30 = graphics.getGL30();
Gdx.gl20 = Gdx.gl30 != null ? Gdx.gl30 : graphics.getGL20();
Gdx.gl = Gdx.gl30 != null ? Gdx.gl30 : Gdx.gl20;
Gdx.input = input;
GLFW.glfwMakeContextCurrent(windowHandle);
}
@Override
public void dispose() {
listener.pause();
listener.dispose();
Lwjgl3Cursor.dispose(this);
graphics.dispose();
input.dispose();
GLFW.glfwSetWindowFocusCallback(windowHandle, null);
GLFW.glfwSetWindowIconifyCallback(windowHandle, null);
GLFW.glfwSetWindowCloseCallback(windowHandle, null);
GLFW.glfwSetDropCallback(windowHandle, null);
GLFW.glfwDestroyWindow(windowHandle);
focusCallback.free();
iconifyCallback.free();
maximizeCallback.free();
closeCallback.free();
dropCallback.free();
refreshCallback.free();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + (int) (windowHandle ^ (windowHandle >>> 32));
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Lwjgl3Window other = (Lwjgl3Window) obj;
if (windowHandle != other.windowHandle)
return false;
return true;
}
}