#pragma once

#ifndef DVTEXTEDIT_H
#define DVTEXTEDIT_H

#ifdef _MSC_VER
#pragma warning(disable : 4251)
#endif

#include "tcommon.h"
#include "tpixel.h"

#include <QWidget>
#include <QString>
#include <QTextEdit>

class QLabel;
class QLineEdit;
class QToolBar;
class QAction;
class QActionGroup;
class QFontComboBox;
class QComboBox;
class QImage;

#undef DVAPI
#undef DVVAR
#ifdef TOONZQT_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif

//=============================================================================

namespace DVGui {

class ColorField;
//-----------------------------------------------------------------------------

class DvMiniToolBar final : public QFrame {
  QPoint m_dragPos;

public:
  DvMiniToolBar(QWidget *parent = 0);
  ~DvMiniToolBar();

protected:
  void mousePressEvent(QMouseEvent *) override;
  void mouseMoveEvent(QMouseEvent *) override;
};

//-----------------------------------------------------------------------------

class DvTextEditButton final : public QWidget {
  Q_OBJECT

public:
  DvTextEditButton(QWidget *parent = 0);
  ~DvTextEditButton();

protected:
  void paintEvent(QPaintEvent *) override;
  void mousePressEvent(QMouseEvent *) override;

signals:
  void clicked();
};

//-----------------------------------------------------------------------------

class DVAPI DvTextEdit final : public QTextEdit {
  Q_OBJECT

  bool m_paintMode;

  bool m_miniToolBarEnabled;

  QPoint m_mousePos;

  QComboBox *m_sizeComboBox;
  QFontComboBox *m_fontComboBox;

  QActionGroup *m_alignActionGroup;

  QAction *m_boldAction, *m_italicAction, *m_underlineAction,
      *m_alignLeftAction, *m_alignRightAction, *m_alignCenterAction;

  ColorField *m_colorField;

  DvMiniToolBar *m_miniToolBar;
  DvTextEditButton *m_button;

public:
  DvTextEdit(QWidget *parent = 0);
  ~DvTextEdit();

  void setMiniToolBarEnabled(bool value) { m_miniToolBarEnabled = value; }
  void changeFont(const QFont &f);

protected:
  void createActions();
  void createMiniToolBar();

  void showMiniToolBar(const QPoint &pos);
  void hideMiniToolBar();

  void mousePressEvent(QMouseEvent *) override;
  void mouseMoveEvent(QMouseEvent *) override;
  void mouseReleaseEvent(QMouseEvent *) override;
  void wheelEvent(QWheelEvent *) override;

  void focusInEvent(QFocusEvent *) override;
  void focusOutEvent(QFocusEvent *) override;

  void dragMoveEvent(QDragMoveEvent *) override;

private:
  void fontChanged(const QFont &f);
  void colorChanged(const QColor &c);
  void alignmentChanged(Qt::Alignment a);

  void mergeFormatOnWordOrSelection(const QTextCharFormat &format);

protected slots:

  void onCurrentCharFormatChanged(const QTextCharFormat &format);
  void onCursorPositionChanged();
  void onSelectionChanged();

  void onShowMiniToolBarClicked();

  void setTextFamily(const QString &);
  void setTextColor(const TPixel32 &color, bool isDragging);
  void setTextBold();
  void setTextItalic();
  void setTextUnderline();
  void setTextSize(const QString &p);
  void setTextAlign(QAction *);

signals:

  void focusIn();
};

//-----------------------------------------------------------------------------
}  // namespace DVGui
//-----------------------------------------------------------------------------

#endif  // DVTEXTEDIT_H