[vcs-log] when auto-resizing columns with double click on the border, show diff should be disabled

platform/vcs-log/impl/src/com/intellij/vcs/log/ui/actions/history/CompareRevisionsFromHistoryAction.java

@@ -39,6 +39,7 @@ import com.intellij.vcs.log.ui.VcsLogInternalDataKeys;
 import com.intellij.vcs.log.ui.history.FileHistoryUi;
 import org.jetbrains.annotations.NotNull;
 
+import java.awt.event.MouseEvent;
 import java.util.List;
 
 public class CompareRevisionsFromHistoryAction extends AnAction implements DumbAware {
@@ -85,12 +86,17 @@ public class CompareRevisionsFromHistoryAction extends AnAction implements DumbA
 
   @Override
   public void actionPerformed(@NotNull AnActionEvent e) {
-    VcsLogUtil.triggerUsage(e);
-
     Project project = e.getRequiredData(CommonDataKeys.PROJECT);
     FileHistoryUi ui = e.getRequiredData(VcsLogInternalDataKeys.FILE_HISTORY_UI);
     FilePath filePath = e.getRequiredData(VcsDataKeys.FILE_PATH);
 
+    if (e.getInputEvent() instanceof MouseEvent && ui.getTable().isResizingColumns()) {
+      // disable action during columns resize
+      return;
+    }
+
+    VcsLogUtil.triggerUsage(e);
+
     List<CommitId> commits = ui.getVcsLog().getSelectedCommits();
     if (commits.size() != 1 && commits.size() != 2) return;
 

platform/vcs-log/impl/src/com/intellij/vcs/log/ui/table/VcsLogGraphTable.java

@@ -653,7 +653,7 @@ public class VcsLogGraphTable extends TableWithProgress implements DataProvider,
     }
   }
 
-  boolean isResizingColumns() {
+  public boolean isResizingColumns() {
     return getCursor() == Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
   }