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JBR-9713: Mouse back and forth (Button4 / Button 5) no longer works on Linux in the 2025.2.5 version

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JBR-9714: Horizontal scroll stopped working after 2025.2.5 update
JBR-9715: Horizontal touchpad scroll stopped working after 2025.2.5 update

Disabling the part of JDK-8351907 that disables all mouse extra buttons for XWayland GNOME of version >= 47.
This commit is contained in:
Nikita Provotorov
2025-11-27 15:43:41 +01:00
parent 012fce5a52
commit caf64eeea4
1 changed files with 10 additions and 5 deletions
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15
src/java.desktop/unix/classes/sun/awt/X11/XToolkit.java
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@@ -1992,10 +1992,15 @@ public final class XToolkit extends UNIXToolkit implements Runnable {
awtLock();
try {
if (numberOfButtons == 0) {
if (XdgDesktopPortal.isRemoteDesktop()
&& ScreencastHelper.isAvailable()) {
numberOfButtons = 3;
} else {
// The commented-out code is introduced in 8351907 and causes inability to use
// any mouse extra buttons under XWayland GNOME of version >= 47,
// thus causing JBR-9713, JBR-9714, JBR-9715.
// Please don't enable it back until a proper fix appears in OpenJDK.
//
//if (XdgDesktopPortal.isRemoteDesktop()
// && ScreencastHelper.isAvailable()) {
// numberOfButtons = 3;
//} else {
numberOfButtons = getNumberOfButtonsImpl();
numberOfButtons = (numberOfButtons > MAX_BUTTONS_SUPPORTED) ? MAX_BUTTONS_SUPPORTED : numberOfButtons;
//4th and 5th buttons are for wheel and shouldn't be reported as buttons.
@@ -2007,7 +2012,7 @@ public final class XToolkit extends UNIXToolkit implements Runnable {
} else if (numberOfButtons == 4 || numberOfButtons == 5) {
numberOfButtons = 3;
}
}
//}
}
//Assume don't have to re-query the number again and again.
return numberOfButtons;