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combobox.h

/***************************************************************************
                         combobox.h  -  description
                            --------------------
    begin                : Apr 10 2003
    copyright            : (C) 2003-2006 by Noberasco Michele
    e-mail               : michele.noberasco@tiscali.it
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.              *
 *                                                                         *
 ***************************************************************************/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#define UP       2
#define DOWN    -2
#define SELECT  -4

#define RETURN         13
#define ARROW_UP    61442
#define ARROW_DOWN  61443

typedef struct _ComboBox
{
      /* properties */
      pthread_t              events_thread;
      IDirectFBEventBuffer  *events;
      IDirectFBDisplayLayer *layer;
      pthread_mutex_t        lock;
      dfb_cursor_t          *cursor;
      int                    n_items;
      char                 **items;
      char                  *selected;
      color_t                text_color;
      unsigned int           xpos;
      unsigned int           ypos;
      unsigned int           width;
      unsigned int           height;
      int                    hasfocus;
      int                    isclicked;
      int                    position;
      IDirectFBWindow         *window;
      IDirectFBSurface      *surface;
      int                    mouse;     /* 1 if mouse is over combobox, 0 otherwise */
      void                  *extraData; /* internal use only                        */
      void (*sortfunc)      (char **items, int n_items);

      /* public methods */
      void (*SetCursor)      (struct _ComboBox *thiz, IDirectFB *dfb, cursor_t *cursor_data, float x_ratio, float y_ratio);
      void (*SetTextColor)   (struct _ComboBox *thiz, color_t *text_color);
      void (*SetFocus)       (struct _ComboBox *thiz, int      focus     );
      void (*AddItem)        (struct _ComboBox *thiz, char    *item      );
      void (*SelectItem)     (struct _ComboBox *thiz, char    *selection );
      void (*SetSortFunction)(struct _ComboBox *thiz, void    *sortfunc  );
      void (*SortItems)      (struct _ComboBox *thiz);
      void (*ClearItems)     (struct _ComboBox *thiz);
      void (*Hide)           (struct _ComboBox *thiz);
      void (*Show)           (struct _ComboBox *thiz);
      void (*Destroy)        (struct _ComboBox *thiz);

} ComboBox;

ComboBox *ComboBox_Create
(
      IDirectFBDisplayLayer *layer,
      IDirectFB *dfb,
      IDirectFBFont *font,
      color_t *text_color,
      DFBWindowDescription *window_desc,
      int screen_width,
      int screen_height
);

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