- fixed: memory leak and UI stuck caused by MenuSenctionView

- feat: memorize content offset for settings menu
- optimize gesture passthrough for relative touch & absolute touch
- feat: passthroughGesturesSwitch, ctrlDownForPinchSwitch, leftClickDelaySlider, touchModeSelector2 in experimental section

VoidLink/ViewControllers/StreamFrameViewController.m

@@ -310,11 +310,6 @@
     
 }
 
-- (void)handleAbsTouchPanGesture:(UIPanGestureRecognizer* )gesture{
-    NSLog(@"handleAbsTouchPanGesture %f", CACurrentMediaTime());
-    LiSendMouseButtonEvent(BUTTON_ACTION_RELEASE, BUTTON_LEFT);
-}
-
 - (void)configZoomGestureAndAddStreamView{
     if (_settings.touchMode.intValue == AbsoluteTouch) {
         if(!_scrollView) _scrollView = [[UIScrollView alloc] initWithFrame:self.view.frame];
@@ -322,17 +317,17 @@
         [_scrollView.panGestureRecognizer setMinimumNumberOfTouches:2];
         [_scrollView.panGestureRecognizer setMaximumNumberOfTouches:2]; // reduce competing with keyboardToggleRecognizer in StreamView.
 #endif
-        [_scrollView.panGestureRecognizer addTarget:self action:@selector(handleAbsTouchPanGesture:)];
         [_scrollView setShowsHorizontalScrollIndicator:NO];
         [_scrollView setShowsVerticalScrollIndicator:NO];
         [_scrollView setDelegate:self];
-        [_scrollView setMaximumZoomScale:1.0f];
+        [_scrollView setMaximumZoomScale:_settings.passthroughGestures ? 1.0 : 10.0f];
         if(!_mainFrameViewcontroller.settingsExpandedInStreamView){
             // Add StreamView inside a UIScrollView for absolute mode
             [_scrollView addSubview:_streamView];
             // Insert at index 0 to ensure it doesn't cover OSC controls (CALayers)
             [self.view insertSubview:_scrollView atIndex:0];
         }
+        _scrollView.panGestureRecognizer.enabled = !_settings.passthroughGestures;
     }
     else{
         // Add streamView directly to self.view in other touch modes
@@ -453,6 +448,7 @@
     [_streamView.onScreenControls sendInstance];
     
     TouchPadGestureHandler.enablePinch = _settings.enablePinch;
+    TouchPadGestureHandler.ctrlDownForPinch = _settings.ctrlDownForPinch;
     TouchPadGestureHandler.scrollSensitivity = _settings.scrollSensitivity.floatValue;
     TouchPadGestureHandler.pinchSensitivity = _settings.pinchSensitivity.floatValue;