public boolean isModified() {
    EditorSettingsExternalizable editorSettings = EditorSettingsExternalizable.getInstance();
    CodeInsightSettings codeInsightSettings = CodeInsightSettings.getInstance();
    UISettings uiSettings = UISettings.getInstance();
    VcsApplicationSettings vcsSettings = VcsApplicationSettings.getInstance();

    // Display
    boolean isModified = isModified(myCbSmoothScrolling, editorSettings.isSmoothScrolling());

    // Brace highlighting
    isModified |= isModified(myCbHighlightBraces, codeInsightSettings.HIGHLIGHT_BRACES);
    isModified |= isModified(myCbHighlightScope, codeInsightSettings.HIGHLIGHT_SCOPE);
    isModified |=
        isModified(
            myCbHighlightIdentifierUnderCaret,
            codeInsightSettings.HIGHLIGHT_IDENTIFIER_UNDER_CARET);

    // Virtual space
    isModified |=
        isModified(
            myCbUseSoftWrapsAtEditor,
            editorSettings.isUseSoftWraps(SoftWrapAppliancePlaces.MAIN_EDITOR));
    isModified |=
        isModified(myCbUseCustomSoftWrapIndent, editorSettings.isUseCustomSoftWrapIndent());
    isModified |= editorSettings.getCustomSoftWrapIndent() != getCustomSoftWrapIndent();
    isModified |=
        isModified(myCbShowSoftWrapsOnlyOnCaretLine, !editorSettings.isAllSoftWrapsShown());
    isModified |= isModified(myCbVirtualSpace, editorSettings.isVirtualSpace());
    isModified |= isModified(myCbCaretInsideTabs, editorSettings.isCaretInsideTabs());
    isModified |= isModified(myCbVirtualPageAtBottom, editorSettings.isAdditionalPageAtBottom());

    // Limits

    isModified |= getMaxClipboardContents() != uiSettings.MAX_CLIPBOARD_CONTENTS;

    // Paste

    // Strip trailing spaces, ensure EOL on EOF on save
    isModified |= !getStripTrailingSpacesValue().equals(editorSettings.getStripTrailingSpaces());
    isModified |=
        isModified(myCbEnsureBlankLineBeforeCheckBox, editorSettings.isEnsureNewLineAtEOF());

    isModified |=
        isModified(myCbShowQuickDocOnMouseMove, editorSettings.isShowQuickDocOnMouseOverElement());
    Long quickDocDelay = getQuickDocDelayFromGui();
    if (quickDocDelay != null
        && !quickDocDelay.equals(
            Long.valueOf(editorSettings.getQuickDocOnMouseOverElementDelayMillis()))) {
      return true;
    }

    // advanced mouse
    isModified |= isModified(myCbEnableDnD, editorSettings.isDndEnabled());
    isModified |= isModified(myCbEnableWheelFontChange, editorSettings.isWheelFontChangeEnabled());
    isModified |=
        isModified(
            myCbHonorCamelHumpsWhenSelectingByClicking,
            editorSettings.isMouseClickSelectionHonorsCamelWords());

    isModified |= myRbPreferMovingCaret.isSelected() != editorSettings.isRefrainFromScrolling();

    isModified |= isModified(myRecentFilesLimitField, UISettings.getInstance().RECENT_FILES_LIMIT);
    isModified |=
        isModified(
            myCbRenameLocalVariablesInplace, editorSettings.isVariableInplaceRenameEnabled());
    isModified |= isModified(myPreselectCheckBox, editorSettings.isPreselectRename());
    isModified |=
        isModified(myShowInlineDialogForCheckBox, editorSettings.isShowInlineLocalDialog());

    isModified |=
        isModified(
            myShowNotificationAfterReformatCodeCheckBox,
            editorSettings.getOptions().SHOW_NOTIFICATION_AFTER_REFORMAT_CODE_ACTION);
    isModified |=
        isModified(
            myShowNotificationAfterOptimizeImportsCheckBox,
            editorSettings.getOptions().SHOW_NOTIFICATION_AFTER_OPTIMIZE_IMPORTS_ACTION);

    isModified |= isModified(myShowLSTInGutterCheckBox, vcsSettings.SHOW_LST_GUTTER_MARKERS);
    isModified |=
        isModified(
            myShowWhitespacesModificationsInLSTGutterCheckBox, vcsSettings.SHOW_WHITESPACES_IN_LST);

    isModified |= myErrorHighlightingPanel.isModified();

    RichCopySettings settings = RichCopySettings.getInstance();
    isModified |= isModified(myCbEnableRichCopyByDefault, settings.isEnabled());
    isModified |=
        !Comparing.equal(settings.getSchemeName(), myRichCopyColorSchemeComboBox.getSelectedItem());

    return isModified;
  }