apps/gui/scrollbar.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 Kevin Ferrare
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #ifndef _GUI_SCROLLBAR_H_
  21 #define _GUI_SCROLLBAR_H_
  22 #include "screen_access.h"
  23
  24 #ifdef HAVE_LCD_BITMAP
  25
  26 enum orientation {
  27     VERTICAL          = 0x0000,   /* Vertical orientation     */
  28     HORIZONTAL        = 0x0001,   /* Horizontal orientation   */
  29 #ifdef HAVE_LCD_COLOR
  30     FOREGROUND        = 0x0002,   /* Do not clear background pixels */
  31     INNER_FILL        = 0x0004,   /* Fill inner part even if FOREGROUND */
  32     INNER_BGFILL      = 0x0008,   /* Fill inner part with background
  33                                      color even if FOREGROUND */
  34     INNER_FILL_MASK   = 0x000c,
  35 #endif
  36 };
  37
  38 /*
  39  * Draws a scrollbar on the given screen
  40  *  - screen : the screen to put the scrollbar on
  41  *  - x : x start position of the scrollbar
  42  *  - y : y start position of the scrollbar
  43  *  - width : you won't guess =(^o^)=
  44  *  - height : I won't tell you either !
  45  *  - items : total number of items on the screen
  46  *  - min_shown : index of the starting item on the screen
  47  *  - max_shown : index of the last item on the screen
  48  *  - orientation : either VERTICAL or HORIZONTAL
  49  */
  50 extern void gui_scrollbar_draw(struct screen * screen, int x, int y,
  51                                int width, int height, int items,
  52                                int min_shown, int max_shown,
  53                                unsigned flags);
  54 extern void gui_bitmap_scrollbar_draw(struct screen * screen, struct bitmap bm, int x, int y,
  55                             int width, int height, int items,
  56                             int min_shown, int max_shown,
  57                             unsigned flags);
  58 extern void show_busy_slider(struct screen *s, int x, int y, int width, int height);
  59 #endif /* HAVE_LCD_BITMAP */
  60 #endif /* _GUI_SCROLLBAR_H_ */