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 #define CONTEXT_CUSTOM2 0x20000000 /* as above */
  31
  32 #define LAST_ITEM_IN_LIST { CONTEXT_STOPSEARCHING, BUTTON_NONE, BUTTON_NONE }
  33 #define LAST_ITEM_IN_LIST__NEXTLIST(a) { a, BUTTON_NONE, BUTTON_NONE }
  34
  35 #ifndef HAS_BUTTON_HOLD
  36 #define ALLOW_SOFTLOCK 0x10000000 /* will be stripped.. never needed except in calls to get_action() */
  37 #else
  38 #define ALLOW_SOFTLOCK 0
  39 #endif
  40
  41 enum {
  42     CONTEXT_STD = 0,
  43     /* These CONTEXT_ values were here before me,
  44     there values may have significance, so dont touch! */
  45     CONTEXT_WPS = 1,
  46     CONTEXT_TREE = 2,
  47     CONTEXT_RECORD = 3,
  48     CONTEXT_MAINMENU = 4, /* uses CONTEXT_TREE and ACTION_TREE_* */
  49     CONTEXT_ID3DB = 5,
  50     /* Add new contexts here, no need to explicitly define a value for them */
  51     CONTEXT_LIST,
  52     CONTEXT_SETTINGS, /* regular setting screens (and debug screens) */
  53     /* bellow are setting screens which may need to redefine the standard
  54        setting screen keys, targets should return the CONTEXT_SETTINGS
  55        keymap unless they are not adequate for the screen
  56     NOTE: uses ACTION_STD_[NEXT|PREV] so make sure they are there also
  57           and (possibly) ACTION_SETTINGS_[INC|DEC] */
  58     CONTEXT_SETTINGS_EQ,
  59     CONTEXT_SETTINGS_COLOURCHOOSER,
  60     CONTEXT_SETTINGS_TIME,
  61
  62     /* The following contexts should use ACTION_STD_[NEXT|PREV]
  63         and (possibly) ACTION_SETTINGS_[INC|DEC]
  64        Also add any extra actions they need                        */
  65     CONTEXT_BOOKMARKSCREEN, /* uses ACTION_BMS_ defines */
  66     CONTEXT_ALARMSCREEN, /* uses ACTION_AS_ defines */
  67     CONTEXT_QUICKSCREEN, /* uses ACTION_QS_ defines below */
  68     CONTEXT_PITCHSCREEN, /* uses ACTION_PS_ defines below */
  69
  70     CONTEXT_YESNOSCREEN, /*NOTE: make sure your target has this and ACTION_YESNO_ACCEPT */
  71     CONTEXT_RECSCREEN,
  72     CONTEXT_KEYBOARD,
  73     CONTEXT_FM,
  74 };
  75
  76
  77 enum {
  78
  79     ACTION_NONE = BUTTON_NONE,
  80     ACTION_UNKNOWN,
  81     ACTION_REDRAW, /* returned if keys are locked and we splash()'ed */
  82     ACTION_TOUCHPAD,
  83     ACTION_TOUCHPAD_MODE, /* toggle the touchpad mode */
  84
  85     /* standard actions, use these first */
  86     ACTION_STD_PREV,
  87     ACTION_STD_PREVREPEAT,
  88     ACTION_STD_NEXT,
  89     ACTION_STD_NEXTREPEAT,
  90
  91     ACTION_STD_OK,
  92     ACTION_STD_CANCEL,
  93     ACTION_STD_CONTEXT,
  94     ACTION_STD_MENU,
  95     ACTION_STD_QUICKSCREEN,
  96     ACTION_STD_KEYLOCK,
  97     ACTION_STD_REC,
  98
  99     ACTION_F3, /* just so everything works again, possibly change me */
 100     /* code context actions */
 101
 102     /* WPS codes */
 103     ACTION_WPS_BROWSE,
 104     ACTION_WPS_PLAY,
 105     ACTION_WPS_SEEKBACK,
 106     ACTION_WPS_SEEKFWD,
 107     ACTION_WPS_STOPSEEK,
 108     ACTION_WPS_SKIPNEXT,
 109     ACTION_WPS_SKIPPREV,
 110     ACTION_WPS_STOP,
 111     ACTION_WPS_VOLDOWN,
 112     ACTION_WPS_VOLUP,
 113     ACTION_WPS_PITCHSCREEN,/* optional */
 114     ACTION_WPS_ID3SCREEN,/* optional */
 115     ACTION_WPS_CONTEXT,
 116     ACTION_WPS_QUICKSCREEN,/* optional */
 117     ACTION_WPS_MENU, /*this should be the same as ACTION_STD_MENU */
 118     ACTION_WPS_REC,
 119 #if 0
 120     ACTION_WPSAB_SINGLE, /* This needs to be #defined in
 121                             the config-<target>.h to one of the ACTION_WPS_ actions
 122                             so it can be used */
 123 #endif
 124     ACTION_WPS_ABSETA_PREVDIR, /* these should be safe to put together seen as */
 125     ACTION_WPS_ABSETB_NEXTDIR, /* you shouldnt want to change dir in ab-mode */
 126     ACTION_WPS_ABRESET,
 127
 128     /* list and tree page up/down */
 129     ACTION_LISTTREE_PGUP,/* optional */
 130     ACTION_LISTTREE_PGDOWN,/* optional */
 131 #ifdef HAVE_VOLUME_IN_LIST
 132     ACTION_LIST_VOLUP,
 133     ACTION_LIST_VOLDOWN,
 134 #endif
 135
 136     /* tree */
 137     ACTION_TREE_ROOT_INIT,
 138     ACTION_TREE_PGLEFT,/* optional */
 139     ACTION_TREE_PGRIGHT,/* optional */
 140     ACTION_TREE_STOP,
 141     ACTION_TREE_WPS,
 142
 143     /* radio */
 144     ACTION_FM_MENU,
 145     ACTION_FM_PRESET,
 146     ACTION_FM_RECORD,
 147     ACTION_FM_FREEZE,
 148     ACTION_FM_STOP,
 149     ACTION_FM_MODE,
 150     ACTION_FM_EXIT,
 151     ACTION_FM_PLAY,
 152     ACTION_FM_RECORD_DBLPRE,
 153     ACTION_FM_NEXT_PRESET,
 154     ACTION_FM_PREV_PRESET,
 155
 156     /* recording screen */
 157     ACTION_REC_LCD,
 158     ACTION_REC_PAUSE,
 159     ACTION_REC_NEWFILE,
 160     ACTION_REC_F2,
 161     ACTION_REC_F3,
 162
 163     /* main menu */
 164     /* These are not strictly actions, but must be here
 165        so they dont conflict with real actions in the menu code */
 166     ACTION_REQUEST_MENUITEM,
 167     ACTION_EXIT_MENUITEM,
 168     ACTION_EXIT_AFTER_THIS_MENUITEM, /* if a menu returns this the menu will exit
 169                                         once the subitem returns */
 170     ACTION_ENTER_MENUITEM,
 171
 172     /* id3db */
 173
 174     /* list */
 175
 176     /* settings */
 177     ACTION_SETTINGS_INC,
 178     ACTION_SETTINGS_INCREPEAT,
 179     ACTION_SETTINGS_INCBIGSTEP,
 180     ACTION_SETTINGS_DEC,
 181     ACTION_SETTINGS_DECREPEAT,
 182     ACTION_SETTINGS_DECBIGSTEP,
 183     ACTION_SETTINGS_RESET,
 184
 185     /* bookmark screen */
 186     ACTION_BMS_DELETE,
 187
 188     /* alarm menu screen */
 189
 190     /* quickscreen */
 191     ACTION_QS_LEFT,
 192     ACTION_QS_RIGHT,
 193     ACTION_QS_DOWN,
 194     ACTION_QS_DOWNINV, /* why is this not called up?? :p */
 195
 196     /* pitchscreen */
 197     /* obviously ignore if you dont have thise screen */
 198     ACTION_PS_INC_SMALL,
 199     ACTION_PS_INC_BIG,
 200     ACTION_PS_DEC_SMALL,
 201     ACTION_PS_DEC_BIG,
 202     ACTION_PS_NUDGE_LEFT,
 203     ACTION_PS_NUDGE_RIGHT,
 204     ACTION_PS_NUDGE_LEFTOFF,
 205     ACTION_PS_NUDGE_RIGHTOFF,
 206     ACTION_PS_TOGGLE_MODE,
 207     ACTION_PS_RESET,
 208     ACTION_PS_EXIT, /* _STD_* isnt going to work here */
 209
 210     /* yesno screen */
 211     ACTION_YESNO_ACCEPT,
 212
 213     /* keyboard screen */
 214     ACTION_KBD_LEFT,
 215     ACTION_KBD_RIGHT,
 216     ACTION_KBD_CURSOR_LEFT,
 217     ACTION_KBD_CURSOR_RIGHT,
 218     ACTION_KBD_SELECT,
 219     ACTION_KBD_SELECT_REM,
 220     ACTION_KBD_PAGE_FLIP,
 221     ACTION_KBD_DONE,
 222     ACTION_KBD_ABORT,
 223     ACTION_KBD_BACKSPACE,
 224     ACTION_KBD_UP,
 225     ACTION_KBD_DOWN,
 226     ACTION_KBD_MORSE_INPUT,
 227     ACTION_KBD_MORSE_SELECT,
 228
 229
 230     LAST_ACTION_PLACEHOLDER, /* custom actions should be this + something */
 231 };
 232
 233 struct button_mapping {
 234     int action_code;
 235     int button_code;
 236     int pre_button_code;
 237 };
 238 /* use if you want to supply your own button mappings, PLUGINS ONLY */
 239 /* get_context_map is a function which returns a button_mapping* depedning on the given context */
 240 /* custom button_mappings may "chain" to inbuilt CONTEXT's */
 241 int get_custom_action(int context,int timeout,
 242                       const struct button_mapping* (*get_context_map)(int));
 243 /* use if one of the standard CONTEXT_ mappings will work (ALL the core should be using this! */
 244 int get_action(int context, int timeout);
 245
 246 /* call this if you need to check for ACTION_STD_CANCEL only (i.e user abort! */
 247 bool action_userabort(int timeout);
 248
 249 /* no other code should need this apart from action.c */
 250 const struct button_mapping* get_context_mapping(int context);
 251 #ifndef HAS_BUTTON_HOLD
 252 bool is_keys_locked(void);
 253 #endif
 254
 255 /* returns the status code variable from action.c for the button just pressed
 256    If button != NULL it will be set to the actual button code */
 257 #define ACTION_REMOTE   0x1 /* remote was pressed */
 258 #define ACTION_REPEAT   0x2 /* action was repeated (NOT button) */
 259 int get_action_statuscode(int *button);
 260
 261 /* returns the data value associated with the last action that is not
 262    BUTTON_NONE or flagged with SYS_EVENT */
 263 intptr_t get_action_data(void);
 264
 265 #ifdef HAVE_TOUCHPAD
 266 /* return BUTTON_NONE on error
 267           BUTTON_REPEAT if repeated press
 268           BUTTON_REL    if its a short press
 269           BUTTON_TOUCHPAD   otherwise
 270 */
 271 int action_get_touchpad_press(short *x, short *y);
 272 #endif
 273
 274 #endif /* __ACTION_H__ */