/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2024, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
    EditBox ActiveWindow class
*/

#ifndef EditBox_h
#define EditBox_h

#include "Types.h"
#include "ScrollWindow.h"

// +--------------------------------------------------------------------+

class EditBox : public ScrollWindow
{
public:
    static const char* TYPENAME() { return "EditBox"; }

    enum ALIGN  {  EDIT_ALIGN_LEFT   = DT_LEFT,
        EDIT_ALIGN_CENTER = DT_CENTER,
        EDIT_ALIGN_RIGHT  = DT_RIGHT
    };

    EditBox(ActiveWindow* p, int ax, int ay, int aw, int ah, DWORD aid);
    EditBox(Screen* s,       int ax, int ay, int aw, int ah, DWORD aid);
    virtual ~EditBox();

    // Operations:
    virtual void   DrawContent(const Rect& ctrl_rect);
    virtual void   DrawTabbedText();

    // Event Target Interface:
    virtual void   SetFocus();
    virtual void   KillFocus();

    virtual int    OnMouseMove(int x, int y);
    virtual int    OnLButtonDown(int x, int y);
    virtual int    OnLButtonUp(int x, int y);
    virtual int    OnClick();

    virtual int    OnKeyDown(int vk, int flags);

    // ScrollWindow Interface:
    virtual bool   CanScroll(int direction, int nlines=1);
    virtual void   Scroll(int direction, int nlines=1);
    virtual void   ScrollTo(int index);
    virtual int    GetPageCount();
    virtual int    GetPageSize();

    Color          GetSelectedColor();
    void           SetSelectedColor(Color c);

    int            GetSelStart()        { return sel_start;  }
    int            GetSelLength()       { return sel_length; }
    Text           GetSelText();

    void           SetSelStart(int n);
    void           SetSelLength(int n);

    char           GetPasswordChar()       { return pass_char;  }
    void           SetPasswordChar(char c) { pass_char = c;     }

protected:
    void           Insert(char c);
    void           Insert(const char* s);
    void           Delete();
    void           Backspace();
    int            CaretFromPoint(int x, int y) const;
    void           EnsureCaretVisible();

    int            sel_start;
    int            sel_length;
    int            h_offset;
    int            caret_x;
    int            caret_y;

    char           pass_char;

    Color          selected_color;
};

#endif  // EditBox_h