apps/action.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  * Copyright (C) 2004 Brent Coutts
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; either version 2
  14  * of the License, or (at your option) any later version.
  15  *
  16  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  17  * KIND, either express or implied.
  18  *
  19  ****************************************************************************/
  20 #ifndef __ACTION_H__
  21 #define __ACTION_H__
  22
  23 #include "stdbool.h"
  24 #include "button.h"
  25 #include "viewport.h"
  26
  27 #define TIMEOUT_BLOCK   -1
  28 #define TIMEOUT_NOBLOCK  0
  29
  30 #define CONTEXT_STOPSEARCHING 0xFFFFFFFF
  31 #define CONTEXT_REMOTE  0x80000000 /* | this against another context to get remote buttons for that context */
  32 #define CONTEXT_CUSTOM  0x40000000 /* | this against anything to get your context number */
  33 #define CONTEXT_CUSTOM2 0x20000000 /* as above */
  34 #define CONTEXT_PLUGIN  0x10000000 /* for plugins using get_custom_action */
  35
  36 #define LAST_ITEM_IN_LIST { CONTEXT_STOPSEARCHING, BUTTON_NONE, BUTTON_NONE }
  37 #define LAST_ITEM_IN_LIST__NEXTLIST(a) { a, BUTTON_NONE, BUTTON_NONE }
  38
  39 #ifndef HAS_BUTTON_HOLD
  40 #define ALLOW_SOFTLOCK 0x08000000 /* will be stripped.. never needed except in calls to get_action() */
  41 #else
  42 #define ALLOW_SOFTLOCK 0
  43 #endif
  44
  45 enum {
  46     CONTEXT_STD = 0,
  47     /* These CONTEXT_ values were here before me,
  48     there values may have significance, so dont touch! */
  49     CONTEXT_WPS = 1,
  50     CONTEXT_TREE = 2,
  51     CONTEXT_RECORD = 3,
  52     CONTEXT_MAINMENU = 4, /* uses CONTEXT_TREE and ACTION_TREE_* */
  53     CONTEXT_ID3DB = 5,
  54     /* Add new contexts here, no need to explicitly define a value for them */
  55     CONTEXT_LIST,
  56     CONTEXT_SETTINGS, /* regular setting screens (and debug screens) */
  57     /* bellow are setting screens which may need to redefine the standard
  58        setting screen keys, targets should return the CONTEXT_SETTINGS
  59        keymap unless they are not adequate for the screen
  60     NOTE: uses ACTION_STD_[NEXT|PREV] so make sure they are there also
  61           and (possibly) ACTION_SETTINGS_[INC|DEC] */
  62     CONTEXT_SETTINGS_EQ,
  63     CONTEXT_SETTINGS_COLOURCHOOSER,
  64     CONTEXT_SETTINGS_TIME,
  65     CONTEXT_SETTINGS_RECTRIGGER,
  66
  67     /* The following contexts should use ACTION_STD_[NEXT|PREV]
  68         and (possibly) ACTION_SETTINGS_[INC|DEC]
  69        Also add any extra actions they need                        */
  70     CONTEXT_BOOKMARKSCREEN, /* uses ACTION_BMS_ defines */
  71     CONTEXT_ALARMSCREEN, /* uses ACTION_AS_ defines */
  72     CONTEXT_QUICKSCREEN, /* uses ACTION_QS_ defines below */
  73     CONTEXT_PITCHSCREEN, /* uses ACTION_PS_ defines below */
  74
  75     CONTEXT_YESNOSCREEN, /*NOTE: make sure your target has this and ACTION_YESNO_ACCEPT */
  76     CONTEXT_RECSCREEN,
  77     CONTEXT_KEYBOARD,
  78     CONTEXT_MORSE_INPUT,
  79     CONTEXT_FM,
  80     CONTEXT_USB_HID,
  81     CONTEXT_USB_HID_MODE_MULTIMEDIA,
  82     CONTEXT_USB_HID_MODE_PRESENTATION,
  83     CONTEXT_USB_HID_MODE_BROWSER,
  84     CONTEXT_USB_HID_MODE_MOUSE,
  85 };
  86
  87
  88 enum {
  89
  90     ACTION_NONE = BUTTON_NONE,
  91     ACTION_UNKNOWN,
  92     ACTION_REDRAW, /* returned if keys are locked and we splash()'ed */
  93     ACTION_TOUCHSCREEN,
  94     ACTION_TOUCHSCREEN_MODE, /* toggle the touchscreen mode */
  95     ACTION_TOUCHSCREEN_IGNORE, /* used for the 'none' action in skins */
  96
  97     /* standard actions, use these first */
  98     ACTION_STD_PREV,
  99     ACTION_STD_PREVREPEAT,
 100     ACTION_STD_NEXT,
 101     ACTION_STD_NEXTREPEAT,
 102
 103     ACTION_STD_OK,
 104     ACTION_STD_CANCEL,
 105     ACTION_STD_CONTEXT,
 106     ACTION_STD_MENU,
 107     ACTION_STD_QUICKSCREEN,
 108     ACTION_STD_KEYLOCK,
 109     ACTION_STD_REC,
 110     ACTION_STD_HOTKEY,
 111
 112     ACTION_F3, /* just so everything works again, possibly change me */
 113     /* code context actions */
 114
 115     /* WPS codes */
 116     ACTION_WPS_BROWSE,
 117     ACTION_WPS_PLAY,
 118     ACTION_WPS_SEEKBACK,
 119     ACTION_WPS_SEEKFWD,
 120     ACTION_WPS_STOPSEEK,
 121     ACTION_WPS_SKIPNEXT,
 122     ACTION_WPS_SKIPPREV,
 123     ACTION_WPS_STOP,
 124     ACTION_WPS_VOLDOWN,
 125     ACTION_WPS_VOLUP,
 126     ACTION_WPS_PITCHSCREEN,/* optional */
 127     ACTION_WPS_ID3SCREEN,/* optional */
 128     ACTION_WPS_CONTEXT,
 129     ACTION_WPS_QUICKSCREEN,/* optional */
 130     ACTION_WPS_MENU, /*this should be the same as ACTION_STD_MENU */
 131     ACTION_WPS_VIEW_PLAYLIST,
 132     ACTION_WPS_REC,
 133 #if 0
 134     ACTION_WPSAB_SINGLE, /* This needs to be #defined in
 135                             the config-<target>.h to one of the ACTION_WPS_ actions
 136                             so it can be used */
 137 #endif
 138     ACTION_WPS_ABSETA_PREVDIR, /* these should be safe to put together seen as */
 139     ACTION_WPS_ABSETB_NEXTDIR, /* you shouldnt want to change dir in ab-mode */
 140     ACTION_WPS_ABRESET,
 141     ACTION_WPS_HOTKEY,
 142
 143     /* list and tree page up/down */
 144     ACTION_LISTTREE_PGUP,/* optional */
 145     ACTION_LISTTREE_PGDOWN,/* optional */
 146 #ifdef HAVE_VOLUME_IN_LIST
 147     ACTION_LIST_VOLUP,
 148     ACTION_LIST_VOLDOWN,
 149 #endif
 150
 151     /* tree */
 152     ACTION_TREE_ROOT_INIT,
 153     ACTION_TREE_PGLEFT,/* optional */
 154     ACTION_TREE_PGRIGHT,/* optional */
 155     ACTION_TREE_STOP,
 156     ACTION_TREE_WPS,
 157     ACTION_TREE_HOTKEY,
 158
 159     /* radio */
 160     ACTION_FM_MENU,
 161     ACTION_FM_PRESET,
 162     ACTION_FM_RECORD,
 163     ACTION_FM_FREEZE,
 164     ACTION_FM_STOP,
 165     ACTION_FM_MODE,
 166     ACTION_FM_EXIT,
 167     ACTION_FM_PLAY,
 168     ACTION_FM_RECORD_DBLPRE,
 169     ACTION_FM_NEXT_PRESET,
 170     ACTION_FM_PREV_PRESET,
 171
 172     /* recording screen */
 173     ACTION_REC_LCD,
 174     ACTION_REC_PAUSE,
 175     ACTION_REC_NEWFILE,
 176     ACTION_REC_F2,
 177     ACTION_REC_F3,
 178
 179     /* main menu */
 180     /* These are not strictly actions, but must be here
 181        so they dont conflict with real actions in the menu code */
 182     ACTION_REQUEST_MENUITEM,
 183     ACTION_EXIT_MENUITEM,
 184     ACTION_EXIT_AFTER_THIS_MENUITEM, /* if a menu returns this the menu will exit
 185                                         once the subitem returns */
 186     ACTION_ENTER_MENUITEM,
 187
 188     /* id3db */
 189
 190     /* list */
 191
 192     /* settings */
 193     ACTION_SETTINGS_INC,
 194     ACTION_SETTINGS_INCREPEAT,
 195     ACTION_SETTINGS_INCBIGSTEP,
 196     ACTION_SETTINGS_DEC,
 197     ACTION_SETTINGS_DECREPEAT,
 198     ACTION_SETTINGS_DECBIGSTEP,
 199     ACTION_SETTINGS_RESET,
 200     ACTION_SETTINGS_SET, /* Used by touchscreen targets */
 201
 202     /* bookmark screen */
 203     ACTION_BMS_DELETE,
 204
 205     /* quickscreen */
 206     ACTION_QS_LEFT,
 207     ACTION_QS_RIGHT,
 208     ACTION_QS_DOWN,
 209     ACTION_QS_TOP,
 210
 211     /* pitchscreen */
 212     /* obviously ignore if you dont have thise screen */
 213     ACTION_PS_INC_SMALL,
 214     ACTION_PS_INC_BIG,
 215     ACTION_PS_DEC_SMALL,
 216     ACTION_PS_DEC_BIG,
 217     ACTION_PS_NUDGE_LEFT,
 218     ACTION_PS_NUDGE_RIGHT,
 219     ACTION_PS_NUDGE_LEFTOFF,
 220     ACTION_PS_NUDGE_RIGHTOFF,
 221     ACTION_PS_TOGGLE_MODE,
 222     ACTION_PS_RESET,
 223     ACTION_PS_EXIT, /* _STD_* isnt going to work here */
 224     ACTION_PS_SLOWER,
 225     ACTION_PS_FASTER,
 226
 227     /* yesno screen */
 228     ACTION_YESNO_ACCEPT,
 229
 230     /* keyboard screen */
 231     ACTION_KBD_LEFT,
 232     ACTION_KBD_RIGHT,
 233     ACTION_KBD_CURSOR_LEFT,
 234     ACTION_KBD_CURSOR_RIGHT,
 235     ACTION_KBD_SELECT,
 236     ACTION_KBD_PAGE_FLIP,
 237     ACTION_KBD_DONE,
 238     ACTION_KBD_ABORT,
 239     ACTION_KBD_BACKSPACE,
 240     ACTION_KBD_UP,
 241     ACTION_KBD_DOWN,
 242     ACTION_KBD_MORSE_INPUT,
 243     ACTION_KBD_MORSE_SELECT,
 244
 245 #ifdef HAVE_TOUCHSCREEN
 246     /* the following are helper actions for touchscreen targets,
 247      * These are for actions which are not doable or required if buttons are
 248      * being used, but are nice additions if the touchscreen is used */
 249     ACTION_TOUCH_SHUFFLE,
 250     ACTION_TOUCH_REPMODE,
 251     ACTION_TOUCH_MUTE,
 252     ACTION_TOUCH_SCROLLBAR,
 253     ACTION_TOUCH_VOLUME,
 254     ACTION_TOUCH_SOFTLOCK,
 255 #endif
 256
 257     /* USB HID codes */
 258     ACTION_USB_HID_FIRST, /* Place holder */
 259     ACTION_USB_HID_NONE,
 260     ACTION_USB_HID_MODE_SWITCH_NEXT,
 261     ACTION_USB_HID_MODE_SWITCH_PREV,
 262     ACTION_USB_HID_MULTIMEDIA_VOLUME_UP,
 263     ACTION_USB_HID_MULTIMEDIA_VOLUME_DOWN,
 264     ACTION_USB_HID_MULTIMEDIA_VOLUME_MUTE,
 265     ACTION_USB_HID_MULTIMEDIA_PLAYBACK_PLAY_PAUSE,
 266     ACTION_USB_HID_MULTIMEDIA_PLAYBACK_STOP,
 267     ACTION_USB_HID_MULTIMEDIA_PLAYBACK_TRACK_PREV,
 268     ACTION_USB_HID_MULTIMEDIA_PLAYBACK_TRACK_NEXT,
 269     ACTION_USB_HID_PRESENTATION_SLIDESHOW_START,
 270     ACTION_USB_HID_PRESENTATION_SLIDESHOW_LEAVE,
 271     ACTION_USB_HID_PRESENTATION_SLIDE_PREV,
 272     ACTION_USB_HID_PRESENTATION_SLIDE_NEXT,
 273     ACTION_USB_HID_PRESENTATION_SLIDE_FIRST,
 274     ACTION_USB_HID_PRESENTATION_SLIDE_LAST,
 275     ACTION_USB_HID_PRESENTATION_SCREEN_BLACK,
 276     ACTION_USB_HID_PRESENTATION_SCREEN_WHITE,
 277     ACTION_USB_HID_PRESENTATION_LINK_PREV,
 278     ACTION_USB_HID_PRESENTATION_LINK_NEXT,
 279     ACTION_USB_HID_PRESENTATION_MOUSE_CLICK,
 280     ACTION_USB_HID_PRESENTATION_MOUSE_OVER,
 281     ACTION_USB_HID_BROWSER_SCROLL_UP,
 282     ACTION_USB_HID_BROWSER_SCROLL_DOWN,
 283     ACTION_USB_HID_BROWSER_SCROLL_PAGE_DOWN,
 284     ACTION_USB_HID_BROWSER_SCROLL_PAGE_UP,
 285     ACTION_USB_HID_BROWSER_ZOOM_IN,
 286     ACTION_USB_HID_BROWSER_ZOOM_OUT,
 287     ACTION_USB_HID_BROWSER_ZOOM_RESET,
 288     ACTION_USB_HID_BROWSER_TAB_PREV,
 289     ACTION_USB_HID_BROWSER_TAB_NEXT,
 290     ACTION_USB_HID_BROWSER_TAB_CLOSE,
 291     ACTION_USB_HID_BROWSER_HISTORY_BACK,
 292     ACTION_USB_HID_BROWSER_HISTORY_FORWARD,
 293     ACTION_USB_HID_BROWSER_VIEW_FULL_SCREEN,
 294     ACTION_USB_HID_MOUSE_UP,
 295     ACTION_USB_HID_MOUSE_UP_REP,
 296     ACTION_USB_HID_MOUSE_DOWN,
 297     ACTION_USB_HID_MOUSE_DOWN_REP,
 298     ACTION_USB_HID_MOUSE_LEFT,
 299     ACTION_USB_HID_MOUSE_LEFT_REP,
 300     ACTION_USB_HID_MOUSE_RIGHT,
 301     ACTION_USB_HID_MOUSE_RIGHT_REP,
 302     ACTION_USB_HID_MOUSE_LDRAG_UP,
 303     ACTION_USB_HID_MOUSE_LDRAG_UP_REP,
 304     ACTION_USB_HID_MOUSE_LDRAG_DOWN,
 305     ACTION_USB_HID_MOUSE_LDRAG_DOWN_REP,
 306     ACTION_USB_HID_MOUSE_LDRAG_LEFT,
 307     ACTION_USB_HID_MOUSE_LDRAG_LEFT_REP,
 308     ACTION_USB_HID_MOUSE_LDRAG_RIGHT,
 309     ACTION_USB_HID_MOUSE_LDRAG_RIGHT_REP,
 310     ACTION_USB_HID_MOUSE_RDRAG_UP,
 311     ACTION_USB_HID_MOUSE_RDRAG_UP_REP,
 312     ACTION_USB_HID_MOUSE_RDRAG_DOWN,
 313     ACTION_USB_HID_MOUSE_RDRAG_DOWN_REP,
 314     ACTION_USB_HID_MOUSE_RDRAG_LEFT,
 315     ACTION_USB_HID_MOUSE_RDRAG_LEFT_REP,
 316     ACTION_USB_HID_MOUSE_RDRAG_RIGHT,
 317     ACTION_USB_HID_MOUSE_RDRAG_RIGHT_REP,
 318     ACTION_USB_HID_MOUSE_BUTTON_LEFT,
 319     ACTION_USB_HID_MOUSE_BUTTON_LEFT_REL,
 320     ACTION_USB_HID_MOUSE_BUTTON_RIGHT,
 321     ACTION_USB_HID_MOUSE_BUTTON_RIGHT_REL,
 322     ACTION_USB_HID_MOUSE_WHEEL_SCROLL_UP,
 323     ACTION_USB_HID_MOUSE_WHEEL_SCROLL_DOWN,
 324     ACTION_USB_HID_LAST, /* Place holder */
 325
 326     LAST_ACTION_PLACEHOLDER, /* custom actions should be this + something */
 327 };
 328
 329 struct button_mapping {
 330     int action_code;
 331     int button_code;
 332     int pre_button_code;
 333 };
 334 /* use if you want to supply your own button mappings, PLUGINS ONLY */
 335 /* get_context_map is a function which returns a button_mapping* depedning on the given context */
 336 /* custom button_mappings may "chain" to inbuilt CONTEXT's */
 337 int get_custom_action(int context,int timeout,
 338                       const struct button_mapping* (*get_context_map)(int));
 339 /* use if one of the standard CONTEXT_ mappings will work (ALL the core should be using this! */
 340 int get_action(int context, int timeout);
 341
 342 /* call this if you need to check for ACTION_STD_CANCEL only (i.e user abort! */
 343 bool action_userabort(int timeout);
 344
 345 /* no other code should need this apart from action.c */
 346 const struct button_mapping* get_context_mapping(int context);
 347 #ifndef HAS_BUTTON_HOLD
 348 bool is_keys_locked(void);
 349 #endif
 350
 351 /* returns the status code variable from action.c for the button just pressed
 352    If button != NULL it will be set to the actual button code */
 353 #define ACTION_REMOTE   0x1 /* remote was pressed */
 354 #define ACTION_REPEAT   0x2 /* action was repeated (NOT button) */
 355 int get_action_statuscode(int *button);
 356
 357 /* returns the data value associated with the last action that is not
 358    BUTTON_NONE or flagged with SYS_EVENT */
 359 intptr_t get_action_data(void);
 360
 361 #ifdef HAVE_TOUCHSCREEN
 362 /* return BUTTON_NONE               on error
 363  *        BUTTON_REPEAT             if repeated press
 364  *        BUTTON_REPEAT|BUTTON_REL  if release after repeated press
 365  *        BUTTON_REL                if it's a short press = release after press
 366  *        BUTTON_TOUCHSCREEN        if press
 367  */
 368 int action_get_touchscreen_press(short *x, short *y);
 369
 370 /*
 371  * wrapper action_get_touchscreen_press()
 372  * to filter the touchscreen coordinates through a viewport
 373  *
 374  * returns the action and x1, y1 relative to the viewport if
 375  * the press was within the viewport,
 376  * ACTION_UNKNOWN (and x1, y1 untouched) if the press was outside
 377  * BUTTON_NONE else
 378  *
 379  **/
 380 int action_get_touchscreen_press_in_vp(short *x1, short *y1, struct viewport *vp);
 381 #endif
 382
 383 /* Don't let get_action*() return any ACTION_* values until the current buttons
 384  * have been released. SYS_* and BUTTON_NONE will go through.
 385  * Any actions relying on _RELEASE won't get seen.
 386  */
 387 void action_wait_for_release(void);
 388
 389 #endif /* __ACTION_H__ */