[vcs-log] align changes toolbar height with main toolbar height

Main toolbar has text components that can get taller than standard action buttons for various text sizes. So in order for the toolbars to be even, need to manually adjust changes toolbar height.

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/ChangesBrowserBase.java

@@ -78,7 +78,7 @@ public abstract class ChangesBrowserBase extends JPanel implements DataProvider
     setFocusable(false);
 
     JPanel topPanel = new JPanel(new BorderLayout());
-    topPanel.add(myToolbar.getComponent(), BorderLayout.CENTER);
+    topPanel.add(getToolbarComponent(), BorderLayout.CENTER);
 
     JComponent headerPanel = createHeaderPanel();
     if (headerPanel != null) topPanel.add(headerPanel, BorderLayout.EAST);
@@ -92,6 +92,10 @@ public abstract class ChangesBrowserBase extends JPanel implements DataProvider
     myShowDiffAction.registerCustomShortcutSet(this, null);
   }
 
+  @NotNull
+  protected JComponent getToolbarComponent() {
+    return myToolbar.getComponent();
+  }
 
   @NotNull
   protected abstract DefaultTreeModel buildTreeModel(boolean showFlatten);

platform/vcs-log/impl/src/com/intellij/vcs/log/ui/frame/MainFrame.java

@@ -109,6 +109,7 @@ public class MainFrame extends JPanel implements DataProvider, Disposable {
 
     myTextFilter = myFilterUi.createTextFilter();
     myToolbar = createActionsToolbar();
+    myChangesBrowser.setToolbarHeightReferent(myToolbar);
 
     JComponent toolbars = new JPanel(new BorderLayout());
     toolbars.add(myToolbar, BorderLayout.NORTH);

platform/vcs-log/impl/src/com/intellij/vcs/log/ui/frame/VcsLogChangesBrowser.java

@@ -34,6 +34,7 @@ import com.intellij.openapi.vcs.changes.ui.*;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.ui.IdeBorderFactory;
 import com.intellij.ui.SideBorder;
+import com.intellij.ui.components.panels.Wrapper;
 import com.intellij.util.Function;
 import com.intellij.util.containers.ContainerUtil;
 import com.intellij.vcs.log.CommitId;
@@ -52,6 +53,7 @@ import gnu.trove.THashSet;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import javax.swing.*;
 import javax.swing.tree.DefaultTreeModel;
 import java.util.*;
 
@@ -72,6 +74,7 @@ class VcsLogChangesBrowser extends ChangesBrowserBase implements Disposable {
   @NotNull private final Set<VirtualFile> myRoots = ContainerUtil.newHashSet();
   @NotNull private final List<Change> myChanges = ContainerUtil.newArrayList();
   @NotNull private final Map<CommitId, Set<Change>> myChangesToParents = ContainerUtil.newHashMap();
+  @NotNull private final Wrapper myToolbarWrapper;
 
   public VcsLogChangesBrowser(@NotNull Project project,
                               @NotNull MainVcsLogUiProperties uiProperties,
@@ -94,12 +97,24 @@ class VcsLogChangesBrowser extends ChangesBrowserBase implements Disposable {
 
     Disposer.register(parent, this);
 
+    myToolbarWrapper = new Wrapper(getToolbar().getComponent());
+
     init();
 
     getViewerScrollPane().setBorder(IdeBorderFactory.createBorder(SideBorder.TOP));
     myViewer.rebuildTree();
   }
 
+  @NotNull
+  @Override
+  protected JComponent getToolbarComponent() {
+    return myToolbarWrapper;
+  }
+
+  public void setToolbarHeightReferent(@NotNull JComponent referent) {
+    myToolbarWrapper.setVerticalSizeReferent(referent);
+  }
+
   @Override
   public void dispose() {
     myUiProperties.removeChangeListener(myListener);
@@ -216,7 +231,7 @@ class VcsLogChangesBrowser extends ChangesBrowserBase implements Disposable {
     List<Change> selectedChanges = VcsTreeModelData.selected(myViewer).userObjects(Change.class);
     Set<AbstractVcs> selectedVcs = ChangesUtil.getAffectedVcses(selectedChanges, myProject);
     if (selectedVcs.size() == 1) return notNull(getFirstItem(selectedVcs));
-    
+
     return null;
   }