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Compiz LFS improvements.

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This commit is contained in:
Ioannis Tsakpinis 2010-07-09 18:44:31 +00:00
parent d251a322e6
commit 0ddafa3842
1 changed files with 141 additions and 43 deletions
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184
src/java/org/lwjgl/opengl/LinuxDisplay.java
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@ -53,6 +53,9 @@ import org.lwjgl.opengl.XRandR.Screen;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
final class LinuxDisplay implements DisplayImplementation {
/* X11 constants */
@ -455,7 +458,7 @@ final class LinuxDisplay implements DisplayImplementation {
private static native void mapRaised(long display, long window);
private static native void reparentWindow(long display, long window, long parent, int x, int y);
private boolean isAncestorXEmbedded(long window) throws LWJGLException {
private static boolean isAncestorXEmbedded(long window) throws LWJGLException {
long xembed_atom = internAtom("_XEMBED_INFO", true);
if (xembed_atom != None) {
long w = window;
@ -1249,15 +1252,18 @@ final class LinuxDisplay implements DisplayImplementation {
}
/**
* Helper class for managing Compiz's workarounds.
* Helper class for managing Compiz's workarounds. We need this to enable Legacy
* Fullscreen Support in Compiz, else we'll have trouble with fullscreen windows
* when Compiz effects are enabled.
*
* Implementation Note: This code is probably too much for an inner class, but
* keeping it here until we're sure we cannot find a better solution.
*/
private static final class Compiz {
private static final String LEGACY_FULLSCREEN_SUPPORT = "/org/freedesktop/compiz/workarounds/allscreens/legacy_fullscreen";
private static boolean applyFix;
private static boolean dbusAvailable;
private static boolean legacyFullscreenSupport;
private static Provider provider;
private Compiz() {
}
@ -1269,24 +1275,110 @@ final class LinuxDisplay implements DisplayImplementation {
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
try {
legacyFullscreenSupport = getBoolean(LEGACY_FULLSCREEN_SUPPORT);
dbusAvailable = true;
// Check if Compiz is active
if ( !isProcessActive("compiz") )
return null;
provider = null;
String providerName = null;
// Check if Dbus is available
if ( isProcessActive("dbus-daemon") ) {
providerName = "Dbus";
provider = new Provider() {
private static final String KEY = "/org/freedesktop/compiz/workarounds/allscreens/legacy_fullscreen";
public boolean hasLegacyFullscreenSupport() throws LWJGLException {
final List output = Compiz.run(new String[] {
"dbus-send", "--print-reply", "--type=method_call", "--dest=org.freedesktop.compiz", KEY, "org.freedesktop.compiz.get"
});
if ( output == null || output.size() < 2 )
throw new LWJGLException("Invalid Dbus reply.");
String line = (String)output.get(0);
if ( !line.startsWith("method return") )
throw new LWJGLException("Invalid Dbus reply.");
line = ((String)output.get(1)).trim(); // value
if ( !line.startsWith("boolean") || line.length() < 12)
throw new LWJGLException("Invalid Dbus reply.");
return "true".equalsIgnoreCase(line.substring("boolean".length() + 1));
}
public void setLegacyFullscreenSupport(final boolean state) throws LWJGLException {
if ( Compiz.run(new String[] {
"dbus-send", "--type=method_call", "--dest=org.freedesktop.compiz", KEY, "org.freedesktop.compiz.set", "boolean:" + Boolean.toString(state)
}) == null )
throw new LWJGLException("Failed to apply Compiz LFS workaround.");
}
};
} else {
try {
// Check if Gconf is available
Runtime.getRuntime().exec("gconftool");
providerName = "gconftool";
provider = new Provider() {
private static final String KEY = "/apps/compiz/plugins/workarounds/allscreens/options/legacy_fullscreen";
public boolean hasLegacyFullscreenSupport() throws LWJGLException {
final List output = Compiz.run(new String[] {
"gconftool", "-g", KEY
});
if ( output == null || output.size() == 0 )
throw new LWJGLException("Invalid gconftool reply.");
return Boolean.parseBoolean(((String)output.get(0)).trim());
}
public void setLegacyFullscreenSupport(final boolean state) throws LWJGLException {
if ( Compiz.run(new String[] {
"gconftool", "-s", KEY, "-s", Boolean.toString(state), "-t", "bool"
}) == null )
throw new LWJGLException("Failed to apply Compiz LFS workaround.");
try {
// gconftool will not apply the workaround immediately, sleep a bit
// to make sure it will be ok when we create the window.
Thread.sleep(200); // 100 is too low, 150 works, set to 200 to be safe.
} catch (InterruptedException e) {
e.printStackTrace();
}
}
};
} catch (IOException e) {
// Ignore
}
}
if ( provider != null && !provider.hasLegacyFullscreenSupport() ) { // No need to do anything is LFS is already enabled.
applyFix = true;
LWJGLUtil.log("Using " + providerName + " to apply Compiz LFS workaround.");
}
} catch (LWJGLException e) {
LWJGLUtil.log("Compiz Dbus communication failed. Reason: " + e.getMessage());
// Ignore
} finally {
return null;
}
return null;
}
});
}
static void setLegacyFullscreenSupport(final boolean enabled) {
if ( !dbusAvailable || legacyFullscreenSupport )
if ( !applyFix )
return;
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
try {
setBoolean(LEGACY_FULLSCREEN_SUPPORT, enabled);
provider.setLegacyFullscreenSupport(enabled);
} catch (LWJGLException e) {
LWJGLUtil.log("Failed to change Compiz Legacy Fullscreen Support. Reason: " + e.getMessage());
}
@ -1295,48 +1387,54 @@ final class LinuxDisplay implements DisplayImplementation {
});
}
private static boolean getBoolean(final String option) throws LWJGLException {
private static List run(final String[] command) throws LWJGLException {
final List output = new ArrayList();
try {
final Process p = Runtime.getRuntime().exec(new String[] {
"dbus-send", "--print-reply", "--type=method_call", "--dest=org.freedesktop.compiz", option, "org.freedesktop.compiz.get"
});
final int exitValue = p.waitFor();
if ( exitValue != 0 )
throw new LWJGLException("Dbus error.");
final Process p = Runtime.getRuntime().exec(command);
try {
final int exitValue = p.waitFor();
if ( exitValue != 0 )
return null;
} catch (InterruptedException e) {
throw new LWJGLException("Process interrupted.", e);
}
final BufferedReader br = new BufferedReader(new InputStreamReader(p.getInputStream()));
String reply = br.readLine(); // header
if ( !reply.startsWith("method return") )
throw new LWJGLException("Invalid Dbus reply.");
String line;
while ( (line = br.readLine()) != null )
output.add(line);
reply = br.readLine().trim(); // value
if ( !reply.startsWith("boolean") )
throw new LWJGLException("Invalid Dbus reply.");
return "true".equalsIgnoreCase(reply.substring("boolean".length() + 1));
} catch (IOException e) {
throw new LWJGLException("Dbus command failed.", e);
} catch (InterruptedException e) {
throw new LWJGLException("Dbus command failed.", e);
br.close();
} catch (final IOException e) {
throw new LWJGLException("Process failed.", e);
}
return output;
}
private static void setBoolean(final String option, final boolean value) throws LWJGLException {
try {
final Process p = Runtime.getRuntime().exec(new String[] {
"dbus-send", "--type=method_call", "--dest=org.freedesktop.compiz", option, "org.freedesktop.compiz.set", "boolean:" + Boolean.toString(value)
});
final int exitValue = p.waitFor();
if ( exitValue != 0 )
throw new LWJGLException("Dbus error.");
} catch (IOException e) {
throw new LWJGLException("Dbus command failed.", e);
} catch (InterruptedException e) {
throw new LWJGLException("Dbus command failed.", e);
private static boolean isProcessActive(final String processName) throws LWJGLException {
final List output = run(new String[] { "ps", "-C", processName });
if ( output == null )
return false;
for ( Iterator iter = output.iterator(); iter.hasNext(); ) {
final String line = (String)iter.next();
if ( line.contains(processName) );
return true;
}
return false;
}
private interface Provider {
boolean hasLegacyFullscreenSupport() throws LWJGLException;
void setLegacyFullscreenSupport(boolean state) throws LWJGLException;
}
}
}