Added setPressAndHoldEnabled to allow users to toggle that behaviour on the Mac

CHANGELOG.md

@@ -1,3 +1,7 @@
+# 0.4.25 - Mar 20, 2026
+
+- Added setPressAndHoldEnabled to allow users to toggle that behaviour on the Mac #303
+
 # 0.4.24 - Feb 24, 2026
 
 - Strip absolute paths from binaries #302

macos/cc/JWMMainView.mm

@@ -516,7 +516,17 @@ - (void)keyDown:(NSEvent *)event {
     }
 
     // Allow TSM to look at the event and potentially send back NSTextInputClient messages.
-    [self interpretKeyEvents:[NSArray arrayWithObject:event]];
+    if (jwm::kPressAndHoldEnabled) {
+      [self interpretKeyEvents:[NSArray arrayWithObject:event]];
+    } else {
+      // Bypass text input system to avoid press-and-hold popup,
+      // but still deliver typed characters
+      NSString *characters = [event characters];
+      if ([characters length] > 0) {
+          [self insertText:characters replacementRange:NSMakeRange(NSNotFound,
+    0)];
+      }
+    }
 
     if (wasInPressAndHold) {
         switch(keyCode) {

macos/cc/WindowMac.mm

@@ -654,3 +654,8 @@ static CVReturn displayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
     jwm::WindowMac* instance = reinterpret_cast<jwm::WindowMac*>(jwm::classes::Native::fromJava(env, obj));
     instance->close();
 }
+
+extern "C" JNIEXPORT void JNICALL Java_io_github_humbleui_jwm_WindowMac__1nSetPressAndHoldEnabled
+  (JNIEnv *env, jclass cls, jboolean enabled) {
+    jwm::kPressAndHoldEnabled = enabled;
+}

macos/java/WindowMac.java

@@ -296,6 +296,11 @@ public void close() {
         super.close();
     }
 
+    public static void setPressAndHoldEnabled(boolean enabled) {
+        assert _onUIThread() : "Should be run on UI thread";
+        _nSetPressAndHoldEnabled(enabled);
+    }
+
     @ApiStatus.Internal public static native long _nMake();
     @ApiStatus.Internal public native IRect _nGetWindowRect();
     @ApiStatus.Internal public native IRect _nGetContentRect();
@@ -328,4 +333,5 @@ public void close() {
     @ApiStatus.Internal public native void _nSetZOrder(int zOrder);
     @ApiStatus.Internal public native void _nSetProgressBar(float value);
     @ApiStatus.Internal public native void _nClose();
+    @ApiStatus.Internal public static native void _nSetPressAndHoldEnabled(boolean enabled);
 }