private static boolean matchMouseShortcut(
     final Keymap activeKeymap, final int modifiers, final String actionId) {
   final MouseShortcut syntheticShortcut = new MouseShortcut(MouseEvent.BUTTON1, modifiers, 1);
   for (Shortcut shortcut : activeKeymap.getShortcuts(actionId)) {
     if (shortcut instanceof MouseShortcut) {
       final MouseShortcut mouseShortcut = (MouseShortcut) shortcut;
       if (mouseShortcut.getModifiers() == syntheticShortcut.getModifiers()) {
         return true;
       }
     }
   }
   return false;
 }
 /**
  * Checks that one of the mouse shortcuts assigned to the provided action has the same modifiers
  * as provided
  */
 public static boolean matchActionMouseShortcutsModifiers(
     final Keymap activeKeymap,
     @JdkConstants.InputEventMask int modifiers,
     final String actionId) {
   final MouseShortcut syntheticShortcut = new MouseShortcut(MouseEvent.BUTTON1, modifiers, 1);
   for (Shortcut shortcut : activeKeymap.getShortcuts(actionId)) {
     if (shortcut instanceof MouseShortcut) {
       final MouseShortcut mouseShortcut = (MouseShortcut) shortcut;
       if (mouseShortcut.getModifiers() == syntheticShortcut.getModifiers()) {
         return true;
       }
     }
   }
   return false;
 }
  /**
   * @param shortcut dialog will be initialized with this <code>shortcut</code>. It can be <code>
   *     null</code> if dialog is used to create new mouse shortcut.
   */
  public MouseShortcutDialog(
      JComponent parentComponent,
      MouseShortcut shortcut,
      @NotNull Keymap keymap,
      @NotNull String actiondId,
      @NotNull Group mainGroup) {
    super(parentComponent, true);
    setTitle(KeyMapBundle.message("mouse.shortcut.dialog.title"));

    myKeymap = keymap;
    myActionId = actiondId;
    myMainGroup = mainGroup;

    myRbSingleClick =
        new JRadioButton(KeyMapBundle.message("mouse.shortcut.dialog.single.click.radio"));
    myRbDoubleClick =
        new JRadioButton(KeyMapBundle.message("mouse.shortcut.dialog.double.click.radio"));
    ButtonGroup buttonGroup = new ButtonGroup();
    buttonGroup.add(myRbSingleClick);
    buttonGroup.add(myRbDoubleClick);

    myLblPreview = new JLabel(" ");

    myClickPad = new MyClickPad();

    myTarConflicts = new JTextArea();
    myTarConflicts.setFocusable(false);
    myTarConflicts.setEditable(false);
    myTarConflicts.setBackground(UIUtil.getPanelBackground());
    myTarConflicts.setLineWrap(true);
    myTarConflicts.setWrapStyleWord(true);

    if (shortcut != null) {
      if (shortcut.getClickCount() == 1) {
        myRbSingleClick.setSelected(true);
      } else {
        myRbDoubleClick.setSelected(true);
      }
      myButton = shortcut.getButton();
      myModifiers = shortcut.getModifiers();
    } else {
      myRbSingleClick.setSelected(true);
      myButton = -1;
      myModifiers = -1;
    }

    updatePreviewAndConflicts();

    init();
  }
  public static String getShortcutText(@NotNull Shortcut shortcut) {
    String s = "";

    if (shortcut instanceof KeyboardShortcut) {
      KeyboardShortcut keyboardShortcut = (KeyboardShortcut) shortcut;

      String acceleratorText = getKeystrokeText(keyboardShortcut.getFirstKeyStroke());
      if (!acceleratorText.isEmpty()) {
        s = acceleratorText;
      }

      acceleratorText = getKeystrokeText(keyboardShortcut.getSecondKeyStroke());
      if (!acceleratorText.isEmpty()) {
        s += ", " + acceleratorText;
      }
    } else if (shortcut instanceof MouseShortcut) {
      MouseShortcut mouseShortcut = (MouseShortcut) shortcut;
      s =
          getMouseShortcutText(
              mouseShortcut.getButton(),
              mouseShortcut.getModifiers(),
              mouseShortcut.getClickCount());
    } else if (shortcut instanceof KeyboardModifierGestureShortcut) {
      final KeyboardModifierGestureShortcut gestureShortcut =
          (KeyboardModifierGestureShortcut) shortcut;
      s =
          gestureShortcut.getType() == KeyboardGestureAction.ModifierType.dblClick
              ? "Press, release and hold "
              : "Hold ";
      s += getKeystrokeText(gestureShortcut.getStroke());
    } else {
      throw new IllegalArgumentException(
          "unknown shortcut class: " + shortcut.getClass().getCanonicalName());
    }
    return s;
  }
  /** Updates all UI controls */
  private void updatePreviewAndConflicts() {
    if (myButton == -1 || myModifiers == -1) {
      return;
    }

    myTarConflicts.setText(null);

    // Set text into preview area

    // empty string should have same height
    myLblPreview.setText(
        KeymapUtil.getMouseShortcutText(myButton, myModifiers, myRbSingleClick.isSelected() ? 1 : 2)
            + " ");

    // Detect conflicts

    final MouseShortcut mouseShortcut;
    if (myRbSingleClick.isSelected()) {
      mouseShortcut = new MouseShortcut(myButton, myModifiers, 1);
    } else {
      mouseShortcut = new MouseShortcut(myButton, myModifiers, 2);
    }

    StringBuilder buffer = new StringBuilder();
    String[] actionIds = myKeymap.getActionIds(mouseShortcut);
    for (String actionId : actionIds) {
      if (actionId.equals(myActionId)) {
        continue;
      }

      String actionPath = myMainGroup.getActionQualifiedPath(actionId);
      // actionPath == null for editor actions having corresponding $-actions
      if (actionPath == null) {
        continue;
      }

      Shortcut[] shortcuts = myKeymap.getShortcuts(actionId);
      for (Shortcut shortcut1 : shortcuts) {
        if (!(shortcut1 instanceof MouseShortcut)) {
          continue;
        }

        MouseShortcut shortcut = (MouseShortcut) shortcut1;

        if (shortcut.getButton() != mouseShortcut.getButton()
            || shortcut.getModifiers() != mouseShortcut.getModifiers()) {
          continue;
        }

        if (buffer.length() > 1) {
          buffer.append('\n');
        }
        buffer.append('[');
        buffer.append(actionPath);
        buffer.append(']');
        break;
      }
    }

    if (buffer.length() == 0) {
      myTarConflicts.setForeground(UIUtil.getTextAreaForeground());
      myTarConflicts.setText(KeyMapBundle.message("mouse.shortcut.dialog.no.conflicts.area"));
    } else {
      myTarConflicts.setForeground(Color.red);
      myTarConflicts.setText(
          KeyMapBundle.message("mouse.shortcut.dialog.assigned.to.area", buffer.toString()));
    }
  }