macosx: Don't hide video controls if mouse is hovering on them

Signed-off-by: Claudio Cambra <developer@claudiocambra.com>

modules/gui/macosx/UI/VLCMainVideoView.xib

@@ -9,6 +9,7 @@
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="VLCMainVideoViewController">
             <connections>
+                <outlet property="centralControlsStackView" destination="CvV-yX-Nbh" id="zyI-Rb-bem"/>
                 <outlet property="controlsBar" destination="3" id="Mfq-2w-2uR"/>
                 <outlet property="mainControlsView" destination="D4V-Zd-qvB" id="KwM-ya-ETn"/>
                 <outlet property="playlistButton" destination="Drq-if-dw4" id="BZe-Cr-mzZ"/>

modules/gui/macosx/windows/video/VLCMainVideoViewController.h

@@ -31,6 +31,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (readwrite, strong) IBOutlet VLCVoutView *voutView;
 @property (readwrite, strong) IBOutlet NSBox *mainControlsView;
+@property (readwrite, strong) IBOutlet NSStackView *centralControlsStackView;
 @property (readwrite, strong) IBOutlet VLCControlsBarCommon *controlsBar;
 @property (readwrite, strong) IBOutlet NSButton *returnButton;
 @property (readwrite, strong) IBOutlet NSButton *playlistButton;

modules/gui/macosx/windows/video/VLCMainVideoViewController.m

@@ -88,6 +88,18 @@
 - (void)hideControls:(id)sender
 {
     [self stopAutohideTimer];
+
+    NSPoint mousePos = [self.view.window mouseLocationOutsideOfEventStream];
+
+    if ([_centralControlsStackView mouse:mousePos inRect:_centralControlsStackView.frame] ||
+        [_controlsBar.bottomBarView mouse:mousePos inRect: _controlsBar.bottomBarView.frame]) {
+        // If the mouse is on the controls let's not hide, and make sure to tell other hideable
+        // controls elsewhere to show themselves
+        [NSNotificationCenter.defaultCenter postNotificationName:VLCVideoWindowShouldShowFullscreenController
+                                                          object:self];
+        return;
+    }
+
     _mainControlsView.hidden = YES;
 }