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#ifndef MOZC_GUI_CHARACTER_PAD_CHARACTER_PALETTE_H_
#define MOZC_GUI_CHARACTER_PAD_CHARACTER_PALETTE_H_

#include <QtCore/QMap>
#include <QtWidgets/QMainWindow>

#include <memory>

#include "base/port.h"
#include "gui/character_pad/ui_character_palette.h"

class QTextCodec;
class QClipboard;

namespace mozc {
namespace client {
class ClientInterface;
}  // namespace client

namespace gui {

class CharacterPalette :  public QMainWindow,
                          private Ui::CharacterPalette {
  Q_OBJECT;

 public:
  struct UnicodeRange {
    char32 first;
    char32 last;
  };

  struct UnicodeBlock {
    const char *name;
    UnicodeRange range;
  };

  struct LocalCharacterMap {
    uint32 from;
    uint32 ucs2;
  };

  struct CP932JumpTo {
    const char *name;
    uint32 from;
  };

  CharacterPalette(QWidget *parent = NULL);
  virtual ~CharacterPalette();

 public slots:
  void resizeEvent(QResizeEvent *event);
  void updateFontSize(int index);
  void updateFont(const QFont &font);
  void categorySelected(QTreeWidgetItem *item, int column);
  void itemSelected(const QTableWidgetItem *item);

 protected:
  std::unique_ptr<client::ClientInterface> client_;
  bool usage_stats_enabled_;

 private:
  void updateTableSize();

  // Unicode operation
  void showUnicodeTableByRange(const UnicodeRange &range);
  void showUnicodeTableByBlockName(const QString &block_name);

  // non-Unicode operation
  void showLocalTable(const LocalCharacterMap *local_map,
                      size_t local_map_size);

  // show Shift-JIS subcategories
  void showSJISBlockTable(const QString &name);

  QMap<QString, UnicodeRange> unicode_block_map_;
};
}  // namespace gui
}  // namespace mozc

#endif  // MOZC_GUI_CHARACTER_PAD_CHARACTER_PALETTE_H_