// File: flineedit.h
// Provides: class FLineEdit
//
//  Inheritance diagram
//  ═══════════════════
//
// ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
// ▕ FObject ▏ ▕  FTerm  ▏
// ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
//      ▲           ▲
//      │           │
//      └─────┬─────┘
//            │
//       ▕▔▔▔▔▔▔▔▔▏
//       ▕ FVTerm ▏
//       ▕▁▁▁▁▁▁▁▁▏
//            ▲
//            │
//       ▕▔▔▔▔▔▔▔▔▔▏
//       ▕ FWidget ▏
//       ▕▁▁▁▁▁▁▁▁▁▏
//            ▲
//            │
//      ▕▔▔▔▔▔▔▔▔▔▔▔▏
//      ▕ FLineEdit ▏
//      ▕▁▁▁▁▁▁▁▁▁▁▁▏

#ifndef FLINEEDIT_H
#define FLINEEDIT_H

#include "fwidget.h"
#include "flabel.h"


//----------------------------------------------------------------------
// class FLineEdit
//----------------------------------------------------------------------

#pragma pack(push)
#pragma pack(1)

class FLineEdit : public FWidget
{
  public:
    // Enumeration
    enum label_o
    {
      label_above = 0,
      label_left = 1
    };

    // Constructor
    explicit FLineEdit (FWidget* = 0);
    FLineEdit (const FString&, FWidget* = 0);

    // Destructor
    virtual ~FLineEdit();

    // Accessors
    const char* getClassName() const;
    FString     getText() const;
    int         getLabelOrientation();

    // Mutators
    void        setText (const FString&);
    void        setLabelText (const FString&);
    void        setLabelOrientation(const label_o);
    bool        setEnable(bool);
    bool        setEnable();
    bool        unsetEnable();
    bool        setDisable();
    bool        setFocus(bool);
    bool        setFocus();
    bool        unsetFocus();
    bool        setShadow(bool);
    bool        setShadow();
    bool        unsetShadow();

    // Inquiry
    bool        hasShadow();

    // Methods
    void        hide();
    void        clearText();

    // Event handlers
    void        onKeyPress (FKeyEvent*);
    void        onMouseDown (FMouseEvent*);
    void        onMouseUp (FMouseEvent*);
    void        onMouseMove (FMouseEvent*);
    void        onTimer (FTimerEvent*);
    void        onAccel (FAccelEvent*);
    void        onHide (FHideEvent*);
    void        onFocusIn (FFocusEvent*);
    void        onFocusOut (FFocusEvent*);

  protected:
    void        adjustLabel();
    void        adjustSize();

  private:
    // Enumeration
    enum dragScroll
    {
      noScroll    = 0,
      scrollLeft  = 1,
      scrollRight = 2
    };

    // Disable copy constructor
    FLineEdit (const FLineEdit&);

    // Disable assignment operator (=)
    FLineEdit& operator = (const FLineEdit&);

    // Methods
    void        init();
    bool        hasHotkey();
    void        draw();
    void        drawInputField();
    void        processActivate();
    void        processChanged();

    // Data Members
    FString     text;
    FString     label_text;
    FLabel*     label;
    label_o     label_orientation;
    dragScroll  drag_scroll;
    bool        scroll_timer;
    int         scroll_repeat;
    bool        insert_mode;
    int         cursor_pos;
    int         text_offset;
};
#pragma pack(pop)


// FLineEdit inline functions
//----------------------------------------------------------------------
inline const char* FLineEdit::getClassName() const
{ return "FLineEdit"; }

//----------------------------------------------------------------------
inline FString FLineEdit::getText() const
{ return text; }

//----------------------------------------------------------------------
inline int FLineEdit::getLabelOrientation()
{ return int(label_orientation); }

//----------------------------------------------------------------------
inline bool FLineEdit::setEnable()
{ return setEnable(true); }

//----------------------------------------------------------------------
inline bool FLineEdit::unsetEnable()
{ return setEnable(false); }

//----------------------------------------------------------------------
inline bool FLineEdit::setDisable()
{ return setEnable(false); }

//----------------------------------------------------------------------
inline bool FLineEdit::setFocus()
{ return setFocus(true); }

//----------------------------------------------------------------------
inline bool FLineEdit::unsetFocus()
{ return setFocus(false); }

//----------------------------------------------------------------------
inline bool FLineEdit::setShadow()
{ return setShadow(true); }

//----------------------------------------------------------------------
inline bool FLineEdit::unsetShadow()
{ return setShadow(false); }

//----------------------------------------------------------------------
inline bool FLineEdit::hasShadow()
{ return ((flags & fc::shadow) != 0); }

#endif  // FLINEEDIT_H