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New Window class, and major changes to Display

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Caspian Rychlik-Prince 2003-03-27 22:46:25 +00:00
parent 796b84c3d1
commit d4b5248f0a
1 changed files with 21 additions and 3 deletions
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24
src/java/org/lwjgl/Window.java
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@ -15,8 +15,7 @@ package org.lwjgl;
* cannot be changed
* - the window may be closeable by the user or operating system, and may be minimized
* by the user or operating system
* - the operating system may or may not allow more than one window to be constructed
* at any one time. There is no guarantee that all windows can be visible at once.
* - only one window may ever be open at once
* - the operating system may or may not be able to do fullscreen or windowed windows.
*
* @author foo
@ -26,6 +25,9 @@ public abstract class Window {
static {
System.loadLibrary(Sys.getLibraryName());
}
/** Whether we have a window already */
private static boolean created;
/** The window's native data structure. On Win32 this is an HWND. */
private int handle;
@ -63,18 +65,26 @@ public abstract class Window {
*
* In this abstract base class, no actual window peer is constructed. This should be
* done in specialised derived classes.
*
* Only one Window can be constructed at a time; to create another Window you must
* first destroy() the first window.
*
* @param title The window's title
* @param x, y, width, height The position and dimensions of the client area of
* the window. The dimensions may be ignored if the window cannot be made non-
* fullscreen. The position may be ignored in either case.
* @throws RuntimeException if you attempt to create more than one window at the same time
*/
protected Window(String title, int x, int y, int width, int height) {
if (created)
throw new RuntimeException("Only one LWJGL window may be instantiated at any one time.");
this.title = title;
this.x = x;
this.y = y;
this.width = width;
this.height = height;
created = true;
}
/**
@ -157,7 +167,15 @@ public abstract class Window {
/**
* Destroy the window.
*/
public final native void destroy();
public final void destroy() {
created = false;
nDestroy();
}
/**
* Natively destroy the window
*/
private native void nDestroy();
/**
* @return the native window handle