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Windows: Moved hwnd and hdc to java

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This commit is contained in:
Elias Naur 2008-04-30 16:40:14 +00:00
parent 1006aed308
commit bcb909f5a9
5 changed files with 122 additions and 81 deletions
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48
src/java/org/lwjgl/WindowsSysImplementation.java
View file

@ -31,6 +31,12 @@
*/
package org.lwjgl;
import java.security.PrivilegedExceptionAction;
import java.security.PrivilegedActionException;
import java.security.AccessController;
import java.lang.reflect.Method;
import org.lwjgl.opengl.Display;
/**
* <p>
@ -39,7 +45,7 @@ package org.lwjgl;
* $Id$
*/
final class WindowsSysImplementation extends DefaultSysImplementation {
private final static int JNI_VERSION = 16;
private final static int JNI_VERSION = 17;
static {
Sys.initialize();
@ -53,9 +59,40 @@ final class WindowsSysImplementation extends DefaultSysImplementation {
return 1000;
}
public native long getTime();
public long getTime() {
return nGetTime();
}
private static native long nGetTime();
public native void alert(String title, String message);
private static long getHwnd() {
/* Use reflection since we can't make Display.getImplementation
* public
*/
try {
Long hwnd_obj = (Long)AccessController.doPrivileged(new PrivilegedExceptionAction() {
public Object run() throws Exception {
Method getImplementation_method = Display.class.getDeclaredMethod("getImplementation", null);
getImplementation_method.setAccessible(true);
Object display_impl = getImplementation_method.invoke(null, null);
if (display_impl == null)
return null;
Class WindowsDisplay_class = Class.forName("org.lwjgl.opengl.WindowsDisplay");
Method getHwnd_method = WindowsDisplay_class.getDeclaredMethod("getHwnd", null);
getHwnd_method.setAccessible(true);
Long hwnd = (Long)getHwnd_method.invoke(display_impl, null);
return hwnd;
}
});
return hwnd_obj.longValue();
} catch (PrivilegedActionException e) {
throw new Error(e);
}
}
public void alert(String title, String message) {
nAlert(getHwnd(), title, message);
}
private static native void nAlert(long parent_hwnd, String title, String message);
public boolean openURL(final String url) {
try {
@ -67,5 +104,8 @@ final class WindowsSysImplementation extends DefaultSysImplementation {
}
}
public native String getClipboard();
public String getClipboard() {
return nGetClipboard();
}
private static native String nGetClipboard();
}

48
src/java/org/lwjgl/opengl/WindowsDisplay.java
View file

@ -140,6 +140,9 @@ final class WindowsDisplay implements DisplayImplementation {
private boolean did_maximize;
private boolean inAppActivate;
private long hwnd;
private long hdc;
public WindowsDisplay() {
current_display = this;
}
@ -154,7 +157,15 @@ final class WindowsDisplay implements DisplayImplementation {
this.parent = parent;
long parent_hwnd = parent != null ? getHwnd(parent) : 0;
boolean isUndecorated = isUndecorated();
nCreateWindow(mode, fullscreen, x, y, isUndecorated, parent != null, parent_hwnd);
this.hwnd = nCreateWindow(mode, fullscreen, x, y, isUndecorated, parent != null, parent_hwnd);
if (hwnd == 0) {
throw new LWJGLException("Failed to create window");
}
this.hdc = getDC(hwnd);
if (hdc == 0) {
nDestroyWindow(hwnd, hdc);
throw new LWJGLException("Failed to get dc");
}
peer_info.initDC(getHwnd(), getHdc());
showWindow(getHwnd(), SW_SHOWDEFAULT);
if (parent == null) {
@ -162,7 +173,7 @@ final class WindowsDisplay implements DisplayImplementation {
setFocus(getHwnd());
}
}
private native void nCreateWindow(DisplayMode mode, boolean fullscreen, int x, int y, boolean undecorated, boolean child_window, long parent_hwnd) throws LWJGLException;
private native long nCreateWindow(DisplayMode mode, boolean fullscreen, int x, int y, boolean undecorated, boolean child_window, long parent_hwnd) throws LWJGLException;
private static boolean isUndecorated() {
return Display.getPrivilegedBoolean("org.lwjgl.opengl.Window.undecorated");
@ -180,10 +191,10 @@ final class WindowsDisplay implements DisplayImplementation {
}
public void destroyWindow() {
nDestroyWindow();
nDestroyWindow(hwnd, hdc);
resetCursorClipping();
}
private static native void nDestroyWindow();
private static native void nDestroyWindow(long hwnd, long hdc);
static void resetCursorClipping() {
if (cursor_clipped) {
try {
@ -338,7 +349,10 @@ final class WindowsDisplay implements DisplayImplementation {
}
private static native DisplayMode getCurrentDisplayMode() throws LWJGLException;
public native void setTitle(String title);
public void setTitle(String title) {
nSetTitle(hwnd, title);
}
private static native void nSetTitle(long hwnd, String title);
public boolean isCloseRequested() {
boolean saved = close_requested;
@ -467,11 +481,19 @@ final class WindowsDisplay implements DisplayImplementation {
static native int getSystemMetrics(int index);
private static native long getDllInstance();
private static native long getHwnd();
private static native long getHdc();
private long getHwnd() {
return hwnd;
}
private long getHdc() {
return hdc;
}
private static native long getDC(long hwnd);
private static native long getDesktopWindow();
static void centerCursor(long hwnd) {
getGlobalClientRect(getHwnd(), rect);
getGlobalClientRect(hwnd, rect);
int local_offset_x = rect.left;
int local_offset_y = rect.top;
getGlobalClientRect(getDesktopWindow(), rect2);
@ -482,7 +504,7 @@ final class WindowsDisplay implements DisplayImplementation {
int local_x = center_x - local_offset_x;
int local_y = center_y - local_offset_y;
if (current_display != null)
current_display.setMousePosition(local_x, transformY(getHwnd(), local_y));
current_display.setMousePosition(local_x, transformY(hwnd, local_y));
}
private void setMousePosition(int x, int y) {
@ -582,12 +604,12 @@ final class WindowsDisplay implements DisplayImplementation {
int size = icons[i].limit() / 4;
if ((((int) Math.sqrt(size)) == small_icon_size) && (!done_small)) {
nSetWindowIconSmall(small_icon_size, small_icon_size, icons[i].asIntBuffer());
nSetWindowIconSmall(hwnd, small_icon_size, small_icon_size, icons[i].asIntBuffer());
used++;
done_small = true;
}
if ((((int) Math.sqrt(size)) == large_icon_size) && (!done_large)) {
nSetWindowIconLarge(large_icon_size, large_icon_size, icons[i].asIntBuffer());
nSetWindowIconLarge(hwnd, large_icon_size, large_icon_size, icons[i].asIntBuffer());
used++;
done_large = true;
}
@ -596,9 +618,9 @@ final class WindowsDisplay implements DisplayImplementation {
return used;
}
private static native int nSetWindowIconSmall(int width, int height, IntBuffer icon);
private static native int nSetWindowIconSmall(long hwnd, int width, int height, IntBuffer icon);
private static native int nSetWindowIconLarge(int width, int height, IntBuffer icon);
private static native int nSetWindowIconLarge(long hwnd, int width, int height, IntBuffer icon);
private void handleMouseButton(int button, int state, long millis) {
if (mouse != null)