include/input/GP_Event.h

   1 /*****************************************************************************
   2  * This file is part of gfxprim library.                                     *
   3  *                                                                           *
   4  * Gfxprim is free software; you can redistribute it and/or                  *
   5  * modify it under the terms of the GNU Lesser General Public                *
   6  * License as published by the Free Software Foundation; either              *
   7  * version 2.1 of the License, or (at your option) any later version.        *
   8  *                                                                           *
   9  * Gfxprim is distributed in the hope that it will be useful,                *
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of            *
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  12  * Lesser General Public License for more details.                           *
  13  *                                                                           *
  14  * You should have received a copy of the GNU Lesser General Public          *
  15  * License along with gfxprim; if not, write to the Free Software            *
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,                        *
  17  * Boston, MA  02110-1301  USA                                               *
  18  *                                                                           *
  19  * Copyright (C) 2009-2010 Jiri "BlueBear" Dluhos                            *
  20  *                         <jiri.bluebear.dluhos@gmail.com>                  *
  21  *                                                                           *
  22  * Copyright (C) 2009-2010 Cyril Hrubis <metan@ucw.cz>                       *
  23  *                                                                           *
  24  *****************************************************************************/
  25
  26 /*
  27
  28   This interface is modeled after linux input event system.
  29
  30  */
  31
  32 #ifndef GP_EVENT_H
  33 #define GP_EVENT_H
  34
  35 /* events */
  36
  37 typedef enum GP_EventType {
  38         GP_EVENT_KEY = 0x01, /* key up/down event */
  39         GP_EVENT_REL = 0x02, /* relative XY event */
  40         GP_EVENT_ABS = 0x03, /* absolute XY value */
  41 } GP_EventType;
  42
  43 /* subevents */
  44
  45 typedef enum GP_EventKeyType {
  46         GP_KEY_UP   = 0x00,
  47         GP_KEY_DOWN = 0x01,
  48 } GP_EventKeyType;
  49
  50 typedef enum GP_EventRelType {
  51         GP_REL_MOVE     = 0x00,
  52         GP_REL_BTN_UP   = 0x01,
  53         GP_REL_BTN_DOWN = 0x02,
  54         GP_REL_WHEEL    = 0x03,
  55 } GP_EventRelType;
  56
  57 typedef enum GP_EventAbsType {
  58         GP_ABS_MOVE     = 0x00,
  59         GP_ABS_PEN_UP   = 0x01,
  60         GP_ABS_PEN_DOWN = 0x02,
  61 } GP_EventAbsType;
  62
  63 /* data structures */
  64
  65 typedef struct GP_EventAbs {
  66         /* event type */
  67         GP_EventType type;
  68         /* device id */
  69         int dev_id;
  70         /* possition */
  71         int x;
  72         int y;
  73         /* size */
  74         int w;
  75         int h;
  76 } GP_EventAbs;
  77
  78 typedef struct GP_EventRel {
  79         GP_EventType type;
  80         /* device id */
  81         int dev_id;
  82         /* possition */
  83         int x;
  84         int y;
  85         /* relative movement */
  86         int rx;
  87         int ry;
  88         int rwheel;
  89         /* size */
  90         int w;
  91         int h;
  92 } GP_EventRel;
  93
  94 typedef struct GP_EventKey {
  95         /* event type */
  96         GP_EventType type;
  97         /* device id */
  98         int dev_id;
  99         /* key */
 100         int key;
 101 } GP_EventKey;
 102
 103 typedef union GP_EventPtr {
 104         GP_EventAbs *abs;
 105         GP_EventRel *rel;
 106         GP_EventKey *key;
 107 } GP_EventPtr;
 108
 109 typedef struct GP_Time {
 110         long sec;
 111         long usec;
 112 } GP_Time;
 113
 114 typedef struct GP_Event {
 115         /* GP_EventType */
 116         int type;
 117         /* GP_Event???Type */
 118         int stype;
 119         /* time */
 120         GP_Time time;
 121         /* event data */
 122         GP_EventPtr data;
 123 } GP_Event;
 124
 125 #endif /* GP_EVENT_H */