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cocotron: avoid dropping relative motion events and warp echoes during coalescing

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Andras Laszlo committed 2026-10-16 19:47:12 +02:00
1 parent 9576070e17
commit aca9b1561a
1 file changed
+17 -14
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patches/cocotron.patch
+17 -14
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@@ -2307,7 +2307,7 @@ index 18189404..c683f96a 100644
+- (NSRect) frameForRootRect: (NSRect) rect;
@end
diff --git a/AppKit/X11.backend/X11Display.m b/AppKit/X11.backend/X11Display.m
index 5ae29bf4..d7fb09fc 100644
index 5ae29bf4..b98eff64 100644
--- a/AppKit/X11.backend/X11Display.m
+++ b/AppKit/X11.backend/X11Display.m
@@ -48,12 +48,271 @@
@@ -3391,14 +3391,17 @@ index 5ae29bf4..d7fb09fc 100644
[self postEvent: event atStart: NO];
break;
@@ -1160,49 +1855,111 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1160,49 +1855,114 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
// ev->xmotion.x, ev->xmotion.y, ev->xmotion.x_root,
// ev->xmotion.y_root);
+ /* darling-lol: Coalesce pending MotionNotify events in the X11 queue to eliminate input lag. */
+ XEvent nextEv;
+ while (XCheckTypedWindowEvent(_display, ev->xmotion.window, MotionNotify, &nextEv)) {
+ *ev = nextEv;
+ /* darling-lol: Coalesce pending MotionNotify events in the X11 queue to eliminate input lag.
+ * Only coalesce in absolute mode: relative mode requires every motion event and warp echo. */
+ if (!_relativeMouse.active) {
+ XEvent nextEv;
+ while (XCheckTypedWindowEvent(_display, ev->xmotion.window, MotionNotify, &nextEv)) {
+ *ev = nextEv;
+ }
+ }
+ rclolRootX = ev->xmotion.x_root;
+ rclolRootY = ev->xmotion.y_root;
@@ -3529,7 +3532,7 @@ index 5ae29bf4..d7fb09fc 100644
mouseEventWithType: type
location: pos
modifierFlags:
@@ -1211,28 +1968,58 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1211,28 +1971,58 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
clickCount: 1
deltaX: deltaX
deltaY: deltaY];
@@ -3590,7 +3593,7 @@ index 5ae29bf4..d7fb09fc 100644
NSLog(@"FocusIn");
if ([delegate attachedSheet]) {
[[delegate attachedSheet] makeKeyAndOrderFront: delegate];
@@ -1243,28 +2030,61 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1243,28 +2033,61 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
checkForAppDeactivation: NO];
lastFocusedWindow = nil;
}
@@ -3654,7 +3657,7 @@ index 5ae29bf4..d7fb09fc 100644
O2Rect rect = NSMakeRect(ev->xexpose.x, ev->xexpose.y,
ev->xexpose.width, ev->xexpose.height);
@@ -1301,11 +2121,23 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1301,11 +2124,23 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
break;
case UnmapNotify:
@@ -3682,7 +3685,7 @@ index 5ae29bf4..d7fb09fc 100644
break;
case MapRequest:
@@ -1317,10 +2149,15 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1317,10 +2152,15 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
break;
case ConfigureNotify:
@@ -3698,7 +3701,7 @@ index 5ae29bf4..d7fb09fc 100644
break;
case ConfigureRequest:
@@ -1344,6 +2181,8 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1344,6 +2184,8 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
break;
case PropertyNotify:
@@ -3707,7 +3710,7 @@ index 5ae29bf4..d7fb09fc 100644
if ([window respondsToSelector: @selector(propertyNotify:)]) {
[window propertyNotify: &ev->xproperty];
}
@@ -1399,7 +2238,9 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1399,7 +2241,9 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
break;
default:
@@ -3718,7 +3721,7 @@ index 5ae29bf4..d7fb09fc 100644
[self _invalidateRRCache];
break;
}
@@ -1433,6 +2274,10 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
@@ -1433,6 +2277,10 @@ static NSDictionary *modeInfoToDictionary(const XRRModeInfo *mi, int depth) {
NSLog(@"Request code: %d:%d", errorEvent->request_code,
errorEvent->minor_code);
NSLog(@"Error code: %d", errorEvent->error_code);
@@ -3729,7 +3732,7 @@ index 5ae29bf4..d7fb09fc 100644
return 0;
}
@@ -1476,54 +2321,286 @@ void CGNativeBorderFrameWidthsForStyle(NSUInteger styleMask, CGFloat *top,
@@ -1476,54 +2324,286 @@ void CGNativeBorderFrameWidthsForStyle(NSUInteger styleMask, CGFloat *top,
return frame;
}