macosx: Finally add functional breadcrumb interaction

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

modules/gui/macosx/library/media-source/VLCMediaSourceBaseDataSource.h

@@ -50,6 +50,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)setupViews;
 - (void)reloadViews;
 - (void)homeButtonAction:(id)sender;
+- (void)pathControlAction:(id)sender;
 - (void)setGridOrListMode:(id)sender;
 
 @end

modules/gui/macosx/library/media-source/VLCMediaSourceBaseDataSource.m

@@ -102,6 +102,8 @@ NSString *VLCMediaSourceTableViewCellIdentifier = @"VLCMediaSourceTableViewCellI
     self.homeButton.action = @selector(homeButtonAction:);
     self.homeButton.target = self;
     [self.pathControl clearInputNodePathControlItems];
+    self.pathControl.action = @selector(pathControlAction:);
+    self.pathControl.target = self;
 
     self.tableView.dataSource = self;
     self.tableView.delegate = self;
@@ -444,6 +446,21 @@ referenceSizeForHeaderInSection:(NSInteger)section
     [mainNavStack clear];
 }
 
+- (void)pathControlAction:(id)sender
+{
+    if (_pathControl.clickedPathItem == nil || _childDataSource == nil) {
+        return;
+    }
+
+    NSPathControlItem *selectedItem = _pathControl.clickedPathItem;
+    NSString *itemNodeMrl = selectedItem.image.name;
+
+    VLCInputNodePathControlItem *matchingItem = [_pathControl.inputNodePathControlItems objectForKey:itemNodeMrl];
+    if (matchingItem != nil) {
+        _childDataSource.nodeToDisplay = matchingItem.inputNode;
+    }
+}
+
 - (void)setCurrentViewMode
 {
     if (_gridViewMode) {