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Linux: Added support for XFixesChangeSaveSet to increase robustness of parented mode

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This commit is contained in:
Elias Naur 2008-04-12 20:40:27 +00:00
parent a015dc4558
commit 11f25424e2
2 changed files with 48 additions and 3 deletions
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19
src/java/org/lwjgl/opengl/LinuxDisplay.java
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@ -68,6 +68,9 @@ final class LinuxDisplay implements DisplayImplementation {
private final static int NotifyPointerRoot = 6;
private final static int NotifyDetailNone = 7;
private final static int SetModeInsert = 0;
private final static int SaveSetRoot = 1;
private final static int SaveSetUnmap = 1;
/** Window mode enum */
private static final int FULLSCREEN_LEGACY = 1;
@ -382,13 +385,21 @@ final class LinuxDisplay implements DisplayImplementation {
try {
incDisplay();
try {
if (parent != null && !hasXFixes(getDisplay(), 1))
throw new LWJGLException("No XFixes extension available");
ByteBuffer handle = peer_info.lockAndGetHandle();
try {
current_window_mode = getWindowMode(fullscreen);
boolean undecorated = Display.getPrivilegedBoolean("org.lwjgl.opengl.Window.undecorated") || current_window_mode != WINDOWED;
this.parent = parent;
parent_window = parent != null ? getHandle(parent) : getRootWindow(getDisplay(), getDefaultScreen());
current_window = nCreateWindow(getDisplay(), getDefaultScreen(), handle, mode, current_window_mode, x, y, undecorated, parent_window);
long root_window = getRootWindow(getDisplay(), getDefaultScreen());
current_window = nCreateWindow(getDisplay(), getDefaultScreen(), handle, mode, current_window_mode, x, y, undecorated, root_window);
if (parent != null) {
parent_window = getHandle(parent);
changeSaveSet(getDisplay(), current_window, SetModeInsert, SaveSetRoot, SaveSetUnmap);
reparentWindow(getDisplay(), current_window, parent_window, x, y);
}
mapRaised(getDisplay(), current_window);
xembedded = parent != null && isAncestorXEmbedded(parent_window);
blank_cursor = createBlankCursor();
parent_focus_window_valid = false;
@ -416,6 +427,10 @@ final class LinuxDisplay implements DisplayImplementation {
private static native long getRootWindow(long display, int screen);
private static native boolean hasProperty(long display, long window, long property);
private static native long getParentWindow(long display, long window) throws LWJGLException;
private static native void mapRaised(long display, long window);
private static native boolean hasXFixes(long display, int major);
private static native void reparentWindow(long display, long window, long parent, int x, int y);
private static native void changeSaveSet(long display, long window, int mode, int target, int map);
private boolean isAncestorXEmbedded(long window) throws LWJGLException {
long xembed_atom = internAtom("_XEMBED_INFO", true);