apps/action.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  * Copyright (C) 2004 Brent Coutts
  10  *
  11  * All files in this archive are subject to the GNU General Public License.
  12  * See the file COPYING in the source tree root for full license agreement.
  13  *
  14  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  15  * KIND, either express or implied.
  16  *
  17  ****************************************************************************/
  18 #ifndef __ACTION_H__
  19 #define __ACTION_H__
  20
  21 #include "stdbool.h"
  22 #include "button.h"
  23
  24 #define TIMEOUT_BLOCK   -1
  25 #define TIMEOUT_NOBLOCK  0
  26
  27 #define CONTEXT_STOPSEARCHING 0xFFFFFFFF
  28 #define CONTEXT_REMOTE 0x80000000 /* | this against another context to get remote buttons for that context */
  29 #define CONTEXT_CUSTOM 0x40000000 /* | this against anything to get your context number */
  30
  31 #define LAST_ITEM_IN_LIST { CONTEXT_STOPSEARCHING, BUTTON_NONE, BUTTON_NONE }
  32 #define LAST_ITEM_IN_LIST__NEXTLIST(a) { a, BUTTON_NONE, BUTTON_NONE }
  33
  34 #ifndef HAS_BUTTON_HOLD
  35 #define ALLOW_SOFTLOCK 0x20000000 /* will be stripped.. never needed except in calls to get_action() */
  36 #else
  37 #define ALLOW_SOFTLOCK 0
  38 #endif
  39
  40 enum {
  41     CONTEXT_STD = 0,
  42     /* These CONTEXT_ values were here before me,
  43     there values may have significance, so dont touch! */
  44     CONTEXT_WPS = 1,
  45     CONTEXT_TREE = 2,
  46     CONTEXT_RECORD = 3,
  47     CONTEXT_MAINMENU = 4, /* uses CONTEXT_TREE and ACTION_TREE_* */
  48     CONTEXT_ID3DB = 5,
  49     /* Add new contexts here, no need to explicitly define a value for them */
  50     CONTEXT_LIST,
  51     CONTEXT_SETTINGS, /* regular setting screens (and debug screens) */
  52     /* bellow are setting screens which may need to redefine the standard
  53        setting screen keys, targets should return the CONTEXT_SETTINGS
  54        keymap unless they are not adequate for the screen
  55     NOTE: uses ACTION_STD_[NEXT|PREV] so make sure they are there also
  56           and (possibly) ACTION_SETTINGS_[INC|DEC] */
  57     CONTEXT_SETTINGS_EQ,
  58     CONTEXT_SETTINGS_COLOURCHOOSER,
  59     CONTEXT_SETTINGS_TIME,
  60
  61     /* The following contexts should use ACTION_STD_[NEXT|PREV]
  62         and (possibly) ACTION_SETTINGS_[INC|DEC]
  63        Also add any extra actions they need                        */
  64     CONTEXT_BOOKMARKSCREEN, /* uses ACTION_BMS_ defines */
  65     CONTEXT_ALARMSCREEN, /* uses ACTION_AS_ defines */
  66     CONTEXT_QUICKSCREEN, /* uses ACTION_QS_ defines below */
  67     CONTEXT_PITCHSCREEN, /* uses ACTION_PS_ defines below */
  68
  69     CONTEXT_YESNOSCREEN, /*NOTE: make sure your target has this and ACTION_YESNO_ACCEPT */
  70     CONTEXT_RECSCREEN,
  71     CONTEXT_KEYBOARD,
  72     CONTEXT_FM,
  73 };
  74
  75
  76 enum {
  77
  78     ACTION_NONE = BUTTON_NONE,
  79     ACTION_UNKNOWN,
  80     ACTION_REDRAW, /* returned if keys are locked and we splash()'ed */
  81     ACTION_TOUCHPAD,
  82
  83     /* standard actions, use these first */
  84     ACTION_STD_PREV,
  85     ACTION_STD_PREVREPEAT,
  86     ACTION_STD_NEXT,
  87     ACTION_STD_NEXTREPEAT,
  88
  89     ACTION_STD_OK,
  90     ACTION_STD_CANCEL,
  91     ACTION_STD_CONTEXT,
  92     ACTION_STD_MENU,
  93     ACTION_STD_QUICKSCREEN,
  94     ACTION_STD_KEYLOCK,
  95     ACTION_STD_REC,
  96
  97     ACTION_F3, /* just so everything works again, possibly change me */
  98     /* code context actions */
  99
 100     /* WPS codes */
 101     ACTION_WPS_BROWSE,
 102     ACTION_WPS_PLAY,
 103     ACTION_WPS_SEEKBACK,
 104     ACTION_WPS_SEEKFWD,
 105     ACTION_WPS_STOPSEEK,
 106     ACTION_WPS_SKIPNEXT,
 107     ACTION_WPS_SKIPPREV,
 108     ACTION_WPS_STOP,
 109     ACTION_WPS_VOLDOWN,
 110     ACTION_WPS_VOLUP,
 111     ACTION_WPS_PITCHSCREEN,/* optional */
 112     ACTION_WPS_ID3SCREEN,/* optional */
 113     ACTION_WPS_CONTEXT,
 114     ACTION_WPS_QUICKSCREEN,/* optional */
 115     ACTION_WPS_MENU, /*this should be the same as ACTION_STD_MENU */
 116     ACTION_WPS_REC,
 117 #if 0
 118     ACTION_WPSAB_SINGLE, /* This needs to be #defined in
 119                             the config-<target>.h to one of the ACTION_WPS_ actions
 120                             so it can be used */
 121 #endif
 122     ACTION_WPS_ABSETA_PREVDIR, /* these should be safe to put together seen as */
 123     ACTION_WPS_ABSETB_NEXTDIR, /* you shouldnt want to change dir in ab-mode */
 124     ACTION_WPS_ABRESET,
 125
 126     /* list and tree page up/down */
 127     ACTION_LISTTREE_PGUP,/* optional */
 128     ACTION_LISTTREE_PGDOWN,/* optional */
 129 #ifdef HAVE_VOLUME_IN_LIST
 130     ACTION_LIST_VOLUP,
 131     ACTION_LIST_VOLDOWN,
 132 #endif
 133
 134     /* tree */
 135     ACTION_TREE_ROOT_INIT,
 136     ACTION_TREE_PGLEFT,/* optional */
 137     ACTION_TREE_PGRIGHT,/* optional */
 138     ACTION_TREE_STOP,
 139     ACTION_TREE_WPS,
 140
 141     /* radio */
 142     ACTION_FM_MENU,
 143     ACTION_FM_PRESET,
 144     ACTION_FM_RECORD,
 145     ACTION_FM_FREEZE,
 146     ACTION_FM_STOP,
 147     ACTION_FM_MODE,
 148     ACTION_FM_EXIT,
 149     ACTION_FM_PLAY,
 150     ACTION_FM_RECORD_DBLPRE,
 151     ACTION_FM_NEXT_PRESET,
 152     ACTION_FM_PREV_PRESET,
 153
 154     /* recording screen */
 155     ACTION_REC_LCD,
 156     ACTION_REC_PAUSE,
 157     ACTION_REC_NEWFILE,
 158     ACTION_REC_F2,
 159     ACTION_REC_F3,
 160
 161     /* main menu */
 162     /* These are not strictly actions, but must be here
 163        so they dont conflict with real actions in the menu code */
 164     ACTION_REQUEST_MENUITEM,
 165     ACTION_EXIT_MENUITEM,
 166     ACTION_EXIT_AFTER_THIS_MENUITEM, /* if a menu returns this the menu will exit
 167                                         once the subitem returns */
 168     ACTION_ENTER_MENUITEM,
 169
 170     /* id3db */
 171
 172     /* list */
 173
 174     /* settings */
 175     ACTION_SETTINGS_INC,
 176     ACTION_SETTINGS_INCREPEAT,
 177     ACTION_SETTINGS_INCBIGSTEP,
 178     ACTION_SETTINGS_DEC,
 179     ACTION_SETTINGS_DECREPEAT,
 180     ACTION_SETTINGS_DECBIGSTEP,
 181     ACTION_SETTINGS_RESET,
 182
 183     /* bookmark screen */
 184     ACTION_BMS_DELETE,
 185
 186     /* alarm menu screen */
 187
 188     /* quickscreen */
 189     ACTION_QS_LEFT,
 190     ACTION_QS_RIGHT,
 191     ACTION_QS_DOWN,
 192     ACTION_QS_DOWNINV, /* why is this not called up?? :p */
 193
 194     /* pitchscreen */
 195     /* obviously ignore if you dont have thise screen */
 196     ACTION_PS_INC_SMALL,
 197     ACTION_PS_INC_BIG,
 198     ACTION_PS_DEC_SMALL,
 199     ACTION_PS_DEC_BIG,
 200     ACTION_PS_NUDGE_LEFT,
 201     ACTION_PS_NUDGE_RIGHT,
 202     ACTION_PS_NUDGE_LEFTOFF,
 203     ACTION_PS_NUDGE_RIGHTOFF,
 204     ACTION_PS_TOGGLE_MODE,
 205     ACTION_PS_RESET,
 206     ACTION_PS_EXIT, /* _STD_* isnt going to work here */
 207
 208     /* yesno screen */
 209     ACTION_YESNO_ACCEPT,
 210
 211     /* keyboard screen */
 212     ACTION_KBD_LEFT,
 213     ACTION_KBD_RIGHT,
 214     ACTION_KBD_CURSOR_LEFT,
 215     ACTION_KBD_CURSOR_RIGHT,
 216     ACTION_KBD_SELECT,
 217     ACTION_KBD_SELECT_REM,
 218     ACTION_KBD_PAGE_FLIP,
 219     ACTION_KBD_DONE,
 220     ACTION_KBD_ABORT,
 221     ACTION_KBD_BACKSPACE,
 222     ACTION_KBD_UP,
 223     ACTION_KBD_DOWN,
 224     ACTION_KBD_MORSE_INPUT,
 225     ACTION_KBD_MORSE_SELECT,
 226
 227
 228     LAST_ACTION_PLACEHOLDER, /* custom actions should be this + something */
 229 };
 230
 231 struct button_mapping {
 232     int action_code;
 233     int button_code;
 234     int pre_button_code;
 235 };
 236 /* use if you want to supply your own button mappings, PLUGINS ONLY */
 237 /* get_context_map is a function which returns a button_mapping* depedning on the given context */
 238 /* custom button_mappings may "chain" to inbuilt CONTEXT's */
 239 int get_custom_action(int context,int timeout,
 240                       const struct button_mapping* (*get_context_map)(int));
 241 /* use if one of the standard CONTEXT_ mappings will work (ALL the core should be using this! */
 242 int get_action(int context, int timeout);
 243
 244 /* call this if you need to check for ACTION_STD_CANCEL only (i.e user abort! */
 245 bool action_userabort(int timeout);
 246
 247 /* no other code should need this apart from action.c */
 248 const struct button_mapping* get_context_mapping(int context);
 249 #ifndef HAS_BUTTON_HOLD
 250 bool is_keys_locked(void);
 251 #endif
 252
 253 /* returns the status code variable from action.c for the button just pressed
 254    If button != NULL it will be set to the actual button code */
 255 #define ACTION_REMOTE   0x1 /* remote was pressed */
 256 #define ACTION_REPEAT   0x2 /* action was repeated (NOT button) */
 257 int get_action_statuscode(int *button);
 258
 259 /* returns the data value associated with the last action that is not
 260    BUTTON_NONE or flagged with SYS_EVENT */
 261 intptr_t get_action_data(void);
 262
 263 #ifdef HAVE_TOUCHPAD
 264 /* return BUTTON_NONE on error
 265           BUTTON_REPEAT if repeated press
 266           BUTTON_REL    if its a short press
 267           BUTTON_TOUCHPAD   otherwise
 268 */
 269 int action_get_touchpad_press(short *x, short *y);
 270 #endif
 271
 272 #endif /* __ACTION_H__ */