Added method FileTreeComponent::setItemHeight().

modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.cpp

@@ -22,7 +22,7 @@
   ==============================================================================
 */
 
-Image juce_createIconForFile (const File& file);
+Image juce_createIconForFile (const File&);
 
 //==============================================================================
 class FileListTreeItem   : public TreeViewItem,
@@ -68,7 +68,7 @@ public:
     //==============================================================================
     bool mightContainSubItems() override                 { return isDirectory; }
     String getUniqueName() const override                { return file.getFullPathName(); }
-    int getItemHeight() const override                   { return 22; }
+    int getItemHeight() const override                   { return owner.getItemHeight(); }
 
     var getDragSourceDescription() override              { return owner.getDragAndDropDescription(); }
 
@@ -252,7 +252,8 @@ private:
 
 //==============================================================================
 FileTreeComponent::FileTreeComponent (DirectoryContentsList& listToShow)
-    : DirectoryContentsDisplayComponent (listToShow)
+    : DirectoryContentsDisplayComponent (listToShow),
+      itemHeight (22)
 {
     setRootItemVisible (false);
     refresh();
@@ -305,3 +306,14 @@ void FileTreeComponent::setSelectedFile (const File& target)
         if (! t->selectFile (target))
             clearSelectedItems();
 }
+
+void FileTreeComponent::setItemHeight (int newHeight)
+{
+    if (itemHeight != newHeight)
+    {
+        itemHeight = newHeight;
+
+        if (TreeViewItem* root = getRootItem())
+            root->treeHasChanged();
+    }
+}

modules/juce_gui_basics/filebrowser/juce_FileTreeComponent.h

@@ -87,11 +87,18 @@ public:
 
     /** Returns the last value that was set by setDragAndDropDescription().
     */
-    const String& getDragAndDropDescription() const noexcept     { return dragAndDropDescription; }
+    const String& getDragAndDropDescription() const noexcept    { return dragAndDropDescription; }
+
+    /** Changes the height of the treeview items. */
+    void setItemHeight (int newHeight);
+
+    /** Returns the height of the treeview items. */
+    int getItemHeight() const noexcept                          { return itemHeight; }
 
 private:
     //==============================================================================
     String dragAndDropDescription;
+    int itemHeight;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FileTreeComponent)
 };

modules/juce_gui_basics/widgets/juce_TreeView.h

@@ -836,11 +836,8 @@ private:
     ScopedPointer<InsertPointHighlight> dragInsertPointHighlight;
     ScopedPointer<TargetGroupHighlight> dragTargetGroupHighlight;
     int indentSize;
-    bool defaultOpenness : 1;
-    bool needsRecalculating : 1;
-    bool rootItemVisible : 1;
-    bool multiSelectEnabled : 1;
-    bool openCloseButtonsVisible : 1;
+    bool defaultOpenness, needsRecalculating, rootItemVisible;
+    bool multiSelectEnabled, openCloseButtonsVisible;
 
     void itemsChanged() noexcept;
     void recalculateIfNeeded();