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Fix keyboard handling when running Display.setParent() as an application on Linux. Thus allowing WM and system hot-keys to function again when the LWJGL app has focus.

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kappa1 2011-10-30 14:44:52 +00:00
parent 97075a7228
commit 568e99a5f9
3 changed files with 33 additions and 14 deletions
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37
src/java/org/lwjgl/opengl/LinuxDisplay.java
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@ -152,6 +152,7 @@ final class LinuxDisplay implements DisplayImplementation {
private static boolean xembedded;
private long parent_proxy_focus_window;
private boolean parent_focused;
private boolean parent_focus_changed;
private long last_window_focus = 0;
private LinuxKeyboard keyboard;
@ -161,11 +162,13 @@ final class LinuxDisplay implements DisplayImplementation {
public void focusGained(FocusEvent e) {
synchronized (GlobalLock.lock) {
parent_focused = true;
parent_focus_changed = true;
}
}
public void focusLost(FocusEvent e) {
synchronized (GlobalLock.lock) {
parent_focused = false;
parent_focus_changed = true;
}
}
};
@ -489,9 +492,8 @@ final class LinuxDisplay implements DisplayImplementation {
if (parent != null) {
parent.addFocusListener(focus_listener);
if (parent.isFocusOwner()) {
parent_focused = true;
}
parent_focused = parent.isFocusOwner();
parent_focus_changed = true;
}
} finally {
peer_info.unlock();
@ -549,6 +551,9 @@ final class LinuxDisplay implements DisplayImplementation {
public void destroyWindow() {
lockAWT();
try {
if (parent != null) {
parent.removeFocusListener(focus_listener);
}
try {
setNativeCursor(null);
} catch (LWJGLException e) {
@ -971,20 +976,24 @@ final class LinuxDisplay implements DisplayImplementation {
}
}
else {
if (parent_focused != keyboard_grabbed) {
if (parent_focused) {
grabKeyboard();
input_released = false;
focused = true;
}
else {
ungrabKeyboard();
input_released = true;
focused = false;
}
if (parent_focus_changed && parent_focused) {
setInputFocusUnsafe(getWindow());
parent_focus_changed = false;
}
}
}
private void setInputFocusUnsafe(long window) {
try {
nSetInputFocus(getDisplay(), window, CurrentTime);
nSync(getDisplay(), false);
} catch (LWJGLException e) {
// Since we don't have any event timings for XSetInputFocus, a race condition might give a BadMatch, which we'll catch and ignore
LWJGLUtil.log("Got exception while trying to focus: " + e);
}
}
private static native void nSync(long display, boolean throw_away_events) throws LWJGLException;
/**
* This method will check if the parent window is active when running