goldendict-ng/translatebox.hh

/* This file is (c) 2012 Tvangeste <i.4m.l33t@yandex.ru>
 * Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */

#ifndef TRANSLATEBOX_HH
#define TRANSLATEBOX_HH

#include "extlineedit.hh"
#include "wordlist.hh"
#include "mutex.hh"

#include <QWidget>
#include <QListWidget>
#include <QFocusEvent>

class TranslateBox;

class CompletionList : public WordList
{
  Q_OBJECT

public:
  CompletionList(TranslateBox * parent);
  int preferredHeight() const;
  virtual void setTranslateLine(QLineEdit * line)
  {
    WordList::setTranslateLine( line );
    setFocusProxy( line );
  }

public slots:
  bool acceptCurrentEntry();

private:
  virtual bool eventFilter( QObject *, QEvent * );
  TranslateBox * translateBox;
};

class TranslateBox : public QWidget
{
  Q_OBJECT

public:
  explicit TranslateBox(QWidget * parent = 0);
  void setPlaceholderText(const QString &text);
  QLineEdit * translateLine();
  WordList * wordList();
  void setText(QString text, bool showPopup=true);
  void setSizePolicy(QSizePolicy policy);
  inline void setSizePolicy(QSizePolicy::Policy hor, QSizePolicy::Policy ver)
  { setSizePolicy(QSizePolicy(hor, ver)); }

signals:

public slots:
  void setPopupEnabled(bool enable);

private slots:
  void showPopup();
  void rightButtonClicked();
  void onTextEdit();

private:
  bool eventFilter(QObject *obj, QEvent *event);
  CompletionList * word_list;
  ExtLineEdit * translate_line;
  bool m_popupEnabled;
  Mutex translateBoxMutex;
  // QCompleter * completer; // disabled for now
};

#endif // TRANSLATEBOX_HH