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 /* Check: tests if the result of button_get() beloned to a touch button */
  44 int touchbutton_check_button(int button, struct touchbutton *data, int num_buttons);
  45 /* Wait: Wait for input and return the corresponding action */
  46 int touchbutton_get(struct touchbutton *data, int num_buttons);
  47 /* Wait with timeout */
  48 int touchbutton_get_w_tmo(int timeout, struct touchbutton *data, int num_buttons);
  49
  50 /* Draw: Draws all visible buttons */
  51 void touchbutton_draw(struct touchbutton *data, int num_buttons);
  52
  53
  54 /*******************************************************************************
  55  * Touch mapping
  56  ******************************************************************************/
  57 struct ts_mapping
  58 {
  59     int tl_x; /* top left */
  60     int tl_y;
  61     int width;
  62     int height;
  63 };
  64
  65 struct ts_mappings
  66 {
  67     struct ts_mapping *mappings;
  68     int amount;
  69 };
  70
  71 unsigned int touchscreen_map(struct ts_mappings *map, int x, int y);
  72
  73 struct ts_raster
  74 {
  75     int tl_x; /* top left */
  76     int tl_y;
  77     int width;
  78     int height;
  79     int raster_width;
  80     int raster_height;
  81 };
  82
  83 struct ts_raster_result
  84 {
  85     int x;
  86     int y;
  87 };
  88
  89 unsigned int touchscreen_map_raster(struct ts_raster *map, int x, int y, struct ts_raster_result *result);
  90
  91 struct ts_raster_button_mapping
  92 {
  93     struct ts_raster *raster;
  94     bool drag_drop_enable;              /* ... */
  95     bool double_click_enable;           /* ... */
  96     bool click_enable;                  /* ... */
  97     bool move_progress_enable;          /* ... */
  98     bool two_d_movement_enable;         /* ... */
  99     struct ts_raster_result two_d_from; /* ... */
 100     int _prev_x;                        /* Internal: DO NOT MODIFY! */
 101     int _prev_y;                        /* Internal: DO NOT MODIFY! */
 102     int _prev_btn_state;                /* Internal: DO NOT MODIFY! */
 103 };
 104
 105 struct ts_raster_button_result
 106 {
 107     enum{
 108         TS_ACTION_NONE,
 109         TS_ACTION_MOVE,
 110         TS_ACTION_CLICK,
 111         TS_ACTION_DOUBLE_CLICK,
 112         TS_ACTION_DRAG_DROP,
 113         TS_ACTION_TWO_D_MOVEMENT
 114     } action;
 115     struct ts_raster_result from;
 116     struct ts_raster_result to;
 117 };
 118
 119 struct ts_raster_button_result touchscreen_raster_map_button(struct ts_raster_button_mapping *map, int x, int y, int button);
 120
 121 #endif /* HAVE_TOUCHSCREEN */
 122 #endif /* _PLUGIN_LIB_TOUCHSCREEN_H_ */