/**
*  Copyright Mikael Högdahl - triyana@users.sourceforge.net
*
*  This source is distributed under the terms of the Q Public License version 1.0,
*  created by Trolltech (www.trolltech.com).
*/

#ifndef Fl_Table_h
#define Fl_Table_h

#ifdef MSVC
    #define snprintf _snprintf
#endif

#include <FL/Fl_Group.h>
#include "Fl_Table_Data.h"

class Fl_Input;
class Fl_Scrollbar;
class Fl_Find;

enum {
    FL_DATA_CHANGE = 1000,
    FL_DATA_SAVE,
    FL_DATA_SAVE_ERROR,
    FL_DATA_ERROR,

};



/**
*  A simple table object.
*  Create a object derived from the Fl_Table_Data interface to supply the table object with data.
*  Start editing with enter key or double click with the mouse.
*  Quit editing with enter or click outside cell.
*  To activate list boxes (after editins starts) press space.
*  There is also a color chooser dialog and a list choice dialog for editing data.
*/
class Fl_Table : public Fl_Group {
public:
                            Fl_Table (Fl_Window* dlgParent, Fl_Table_Data* data, int x, int y, int w, int h);
                            ~Fl_Table ();

    static void             cb_hor (Fl_Widget* w, void* o);
    void                    cb_hor ();
    static void             cb_ver (Fl_Widget* w, void* o);
    void                    cb_ver ();

    void                    add ();
    Fl_Table_Data*          data () const {return aData;}
    void                    data (Fl_Table_Data* data);
    void                    edit (bool force_custom);
    void                    erase ();
    void                    event_handler (Fl_Widget* widget) {aEventHandler = widget;}
    bool                    dirty () {if (aData) return aData->dirty(); else return false;}
    void                    draw ();
    void                    find (bool nextword);
    int                     handle (int event);
    void                    insert ();
    void                    move_cursor (int rows, int cols);
    void                    reload (const char* message) {if (aData) aData->reload (message); set_data_size();}
    void                    resize () {resize(x(), y(), w(), h()); redraw();}
    void                    resize (int x, int y, int w, int h);
    int                     row () {return aCurrRow;}
    bool                    quit_edit_mode (bool save);
    bool                    save ();
    void                    set_data_size();

private:
    enum {
                            DRAG_NONE,
                            DRAG_HOR,
                            SCROLL_SIZE = 16,
                            SCROLL_JUMP = 10,
                            CLIP_NONE   = 0,
                            CLIP_COL    = 1,
                            CLIP_ROW    = 2,
                            CLIP_BOTH   = 3,
    };

    int                     aClipped;
    int                     aCurrCol;
    int                     aCurrRow;
    int                     aStartCol;
    int                     aStartRow;
    int                     aVisibleRows;
    int                     aMaxVisibleRows;
    int                     aVisibleCols;
    int*                    aWidth;
    int                     aDragState;
    int                     aDragCol;
    int                     aActiveX;
    int                     aActiveY;
    int                     aActiveW;
    int                     aActiveH;
    int                     aActiveR;
    int                     aActiveC;
    char                    aSearchWord[200];
    bool                    aCase;

    Fl_Table_Data*          aData;
    Fl_Scrollbar*           aScrollbarHor;
    Fl_Scrollbar*           aScrollbarVer;
    Fl_Widget*              aEditWidget;
    Fl_Widget*              aEventHandler;
    Fl_Input*               aDummy;
    Fl_Window*              aDlgParent;
    Fl_Find*                aFind;

    int                     clip (int xpos, int ypos, int width, int height, int row = 0);
    void                    draw_cell (int row, int col, int xpos, int ypos, int width, int height);
    void                    draw_cell (int x, int y, int w, int h, Fl_Color bg, Fl_Color fg);
    void                    draw_label (int xpos, int ypos);
    void                    draw_header (int xpos, int ypos);
    int                     draw_row (int row, int xpos, int ypos);
    void                    ev_drag ();
    bool                    ev_keyboard_down ();
    void                    ev_move ();
    void                    ev_push ();
    void                    get_cell_pos (int& row, int& col, int& xpos, int& ypos, int& width, int& height);
    void                    start_edit_mode (bool force = false);
    void                    set_cursor(int row, int col) {move_cursor (row - aCurrRow, col - aCurrCol);}
};

#endif