apps/plugins/lib/pluginlib_touchscreen.h

   1 /***************************************************************************
   2 *             __________               __   ___.
   3 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7 *                     \/            \/     \/    \/            \/
   8 * $Id$
   9 *
  10 * Copyright (C) 2008 by Maurus Cuelenaere
  11 * Copyright (C) 2009 by Karl Kurbjun
  12 *
  13 * This program is free software; you can redistribute it and/or
  14 * modify it under the terms of the GNU General Public License
  15 * as published by the Free Software Foundation; either version 2
  16 * of the License, or (at your option) any later version.
  17 *
  18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  19 * KIND, either express or implied.
  20 *
  21 ****************************************************************************/
  22
  23 #ifndef _PLUGIN_LIB_TOUCHSCREEN_H_
  24 #define _PLUGIN_LIB_TOUCHSCREEN_H_
  25
  26 #include "plugin.h"
  27
  28 #ifdef HAVE_TOUCHSCREEN
  29
  30 /*******************************************************************************
  31  * Touchbutton
  32  ******************************************************************************/
  33 struct touchbutton {
  34     /* Each button has it's own viewport to define colors, drawstyle, location*/
  35     struct viewport vp;
  36     bool repeat;            /* requires the area be held for the action */
  37     int action;             /* action this button will return */
  38     bool invisible;         /* Is this an invisible button? */
  39     char *title;            /* Specify a title */
  40     fb_data *pixmap;        /* Currently unused, but will allow for a graphic */
  41 };
  42
  43 /* Get: tests for a button press and returns action. */
  44 int touchbutton_get(struct touchbutton *data, int button, int num_buttons);
  45 /* Draw: Draws all visible buttons */
  46 void touchbutton_draw(struct touchbutton *data, int num_buttons);
  47
  48
  49 /*******************************************************************************
  50  * Touch mapping
  51  ******************************************************************************/
  52 struct ts_mapping
  53 {
  54     int tl_x; /* top left */
  55     int tl_y;
  56     int width;
  57     int height;
  58 };
  59
  60 struct ts_mappings
  61 {
  62     struct ts_mapping *mappings;
  63     int amount;
  64 };
  65
  66 unsigned int touchscreen_map(struct ts_mappings *map, int x, int y);
  67
  68 struct ts_raster
  69 {
  70     int tl_x; /* top left */
  71     int tl_y;
  72     int width;
  73     int height;
  74     int raster_width;
  75     int raster_height;
  76 };
  77
  78 struct ts_raster_result
  79 {
  80     int x;
  81     int y;
  82 };
  83
  84 unsigned int touchscreen_map_raster(struct ts_raster *map, int x, int y, struct ts_raster_result *result);
  85
  86 struct ts_raster_button_mapping
  87 {
  88     struct ts_raster *raster;
  89     bool drag_drop_enable;              /* ... */
  90     bool double_click_enable;           /* ... */
  91     bool click_enable;                  /* ... */
  92     bool move_progress_enable;          /* ... */
  93     bool two_d_movement_enable;         /* ... */
  94     struct ts_raster_result two_d_from; /* ... */
  95     int _prev_x;                        /* Internal: DO NOT MODIFY! */
  96     int _prev_y;                        /* Internal: DO NOT MODIFY! */
  97     int _prev_btn_state;                /* Internal: DO NOT MODIFY! */
  98 };
  99
 100 struct ts_raster_button_result
 101 {
 102     enum{
 103         TS_ACTION_NONE,
 104         TS_ACTION_MOVE,
 105         TS_ACTION_CLICK,
 106         TS_ACTION_DOUBLE_CLICK,
 107         TS_ACTION_DRAG_DROP,
 108         TS_ACTION_TWO_D_MOVEMENT
 109     } action;
 110     struct ts_raster_result from;
 111     struct ts_raster_result to;
 112 };
 113
 114 struct ts_raster_button_result touchscreen_raster_map_button(struct ts_raster_button_mapping *map, int x, int y, int button);
 115
 116 #endif /* HAVE_TOUCHSCREEN */
 117 #endif /* _PLUGIN_LIB_TOUCHSCREEN_H_ */