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rockbox/apps/action.h
Frank Gevaerts 08fb988e87 Add HID keymap handling in usb screen. This allows to use the DAP as a keypad to control the PC. The current keymaps are audio-oriented (play/pause/volume/...) (FS#10218 by Tomer Shalev) 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21054 a1c6a512-1295-4272-9138-f99709370657
2009-05-23 14:42:54 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2004 Brent Coutts
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __ACTION_H__
#define __ACTION_H__
#include "stdbool.h"
#include "button.h"
#define TIMEOUT_BLOCK -1
#define TIMEOUT_NOBLOCK 0
#define CONTEXT_STOPSEARCHING 0xFFFFFFFF
#define CONTEXT_REMOTE 0x80000000 /* | this against another context to get remote buttons for that context */
#define CONTEXT_CUSTOM 0x40000000 /* | this against anything to get your context number */
#define CONTEXT_CUSTOM2 0x20000000 /* as above */
#define LAST_ITEM_IN_LIST { CONTEXT_STOPSEARCHING, BUTTON_NONE, BUTTON_NONE }
#define LAST_ITEM_IN_LIST__NEXTLIST(a) { a, BUTTON_NONE, BUTTON_NONE }
#ifndef HAS_BUTTON_HOLD
#define ALLOW_SOFTLOCK 0x10000000 /* will be stripped.. never needed except in calls to get_action() */
#else
#define ALLOW_SOFTLOCK 0
#endif
enum {
CONTEXT_STD = 0,
/* These CONTEXT_ values were here before me,
there values may have significance, so dont touch! */
CONTEXT_WPS = 1,
CONTEXT_TREE = 2,
CONTEXT_RECORD = 3,
CONTEXT_MAINMENU = 4, /* uses CONTEXT_TREE and ACTION_TREE_* */
CONTEXT_ID3DB = 5,
/* Add new contexts here, no need to explicitly define a value for them */
CONTEXT_LIST,
CONTEXT_SETTINGS, /* regular setting screens (and debug screens) */
/* bellow are setting screens which may need to redefine the standard
setting screen keys, targets should return the CONTEXT_SETTINGS
keymap unless they are not adequate for the screen
NOTE: uses ACTION_STD_[NEXT|PREV] so make sure they are there also
and (possibly) ACTION_SETTINGS_[INC|DEC] */
CONTEXT_SETTINGS_EQ,
CONTEXT_SETTINGS_COLOURCHOOSER,
CONTEXT_SETTINGS_TIME,
CONTEXT_SETTINGS_RECTRIGGER,
/* The following contexts should use ACTION_STD_[NEXT|PREV]
and (possibly) ACTION_SETTINGS_[INC|DEC]
Also add any extra actions they need */
CONTEXT_BOOKMARKSCREEN, /* uses ACTION_BMS_ defines */
CONTEXT_ALARMSCREEN, /* uses ACTION_AS_ defines */
CONTEXT_QUICKSCREEN, /* uses ACTION_QS_ defines below */
CONTEXT_PITCHSCREEN, /* uses ACTION_PS_ defines below */
CONTEXT_YESNOSCREEN, /*NOTE: make sure your target has this and ACTION_YESNO_ACCEPT */
CONTEXT_RECSCREEN,
CONTEXT_KEYBOARD,
CONTEXT_FM,
CONTEXT_USB_HID,
};
enum {
ACTION_NONE = BUTTON_NONE,
ACTION_UNKNOWN,
ACTION_REDRAW, /* returned if keys are locked and we splash()'ed */
ACTION_TOUCHSCREEN,
ACTION_TOUCHSCREEN_MODE, /* toggle the touchscreen mode */
/* standard actions, use these first */
ACTION_STD_PREV,
ACTION_STD_PREVREPEAT,
ACTION_STD_NEXT,
ACTION_STD_NEXTREPEAT,
ACTION_STD_OK,
ACTION_STD_CANCEL,
ACTION_STD_CONTEXT,
ACTION_STD_MENU,
ACTION_STD_QUICKSCREEN,
ACTION_STD_KEYLOCK,
ACTION_STD_REC,
ACTION_F3, /* just so everything works again, possibly change me */
/* code context actions */
/* WPS codes */
ACTION_WPS_BROWSE,
ACTION_WPS_PLAY,
ACTION_WPS_SEEKBACK,
ACTION_WPS_SEEKFWD,
ACTION_WPS_STOPSEEK,
ACTION_WPS_SKIPNEXT,
ACTION_WPS_SKIPPREV,
ACTION_WPS_STOP,
ACTION_WPS_VOLDOWN,
ACTION_WPS_VOLUP,
ACTION_WPS_PITCHSCREEN,/* optional */
ACTION_WPS_ID3SCREEN,/* optional */
ACTION_WPS_CONTEXT,
ACTION_WPS_QUICKSCREEN,/* optional */
ACTION_WPS_MENU, /*this should be the same as ACTION_STD_MENU */
ACTION_WPS_REC,
#if 0
ACTION_WPSAB_SINGLE, /* This needs to be #defined in
the config-<target>.h to one of the ACTION_WPS_ actions
so it can be used */
#endif
ACTION_WPS_ABSETA_PREVDIR, /* these should be safe to put together seen as */
ACTION_WPS_ABSETB_NEXTDIR, /* you shouldnt want to change dir in ab-mode */
ACTION_WPS_ABRESET,
/* list and tree page up/down */
ACTION_LISTTREE_PGUP,/* optional */
ACTION_LISTTREE_PGDOWN,/* optional */
#ifdef HAVE_VOLUME_IN_LIST
ACTION_LIST_VOLUP,
ACTION_LIST_VOLDOWN,
#endif
/* tree */
ACTION_TREE_ROOT_INIT,
ACTION_TREE_PGLEFT,/* optional */
ACTION_TREE_PGRIGHT,/* optional */
ACTION_TREE_STOP,
ACTION_TREE_WPS,
/* radio */
ACTION_FM_MENU,
ACTION_FM_PRESET,
ACTION_FM_RECORD,
ACTION_FM_FREEZE,
ACTION_FM_STOP,
ACTION_FM_MODE,
ACTION_FM_EXIT,
ACTION_FM_PLAY,
ACTION_FM_RECORD_DBLPRE,
ACTION_FM_NEXT_PRESET,
ACTION_FM_PREV_PRESET,
/* recording screen */
ACTION_REC_LCD,
ACTION_REC_PAUSE,
ACTION_REC_NEWFILE,
ACTION_REC_F2,
ACTION_REC_F3,
/* main menu */
/* These are not strictly actions, but must be here
so they dont conflict with real actions in the menu code */
ACTION_REQUEST_MENUITEM,
ACTION_EXIT_MENUITEM,
ACTION_EXIT_AFTER_THIS_MENUITEM, /* if a menu returns this the menu will exit
once the subitem returns */
ACTION_ENTER_MENUITEM,
/* id3db */
/* list */
/* settings */
ACTION_SETTINGS_INC,
ACTION_SETTINGS_INCREPEAT,
ACTION_SETTINGS_INCBIGSTEP,
ACTION_SETTINGS_DEC,
ACTION_SETTINGS_DECREPEAT,
ACTION_SETTINGS_DECBIGSTEP,
ACTION_SETTINGS_RESET,
/* bookmark screen */
ACTION_BMS_DELETE,
/* alarm menu screen */
/* quickscreen */
ACTION_QS_LEFT,
ACTION_QS_RIGHT,
ACTION_QS_DOWN,
ACTION_QS_DOWNINV, /* why is this not called up?? :p */
/* pitchscreen */
/* obviously ignore if you dont have thise screen */
ACTION_PS_INC_SMALL,
ACTION_PS_INC_BIG,
ACTION_PS_DEC_SMALL,
ACTION_PS_DEC_BIG,
ACTION_PS_NUDGE_LEFT,
ACTION_PS_NUDGE_RIGHT,
ACTION_PS_NUDGE_LEFTOFF,
ACTION_PS_NUDGE_RIGHTOFF,
ACTION_PS_TOGGLE_MODE,
ACTION_PS_RESET,
ACTION_PS_EXIT, /* _STD_* isnt going to work here */
/* yesno screen */
ACTION_YESNO_ACCEPT,
/* keyboard screen */
ACTION_KBD_LEFT,
ACTION_KBD_RIGHT,
ACTION_KBD_CURSOR_LEFT,
ACTION_KBD_CURSOR_RIGHT,
ACTION_KBD_SELECT,
ACTION_KBD_SELECT_REM,
ACTION_KBD_PAGE_FLIP,
ACTION_KBD_DONE,
ACTION_KBD_ABORT,
ACTION_KBD_BACKSPACE,
ACTION_KBD_UP,
ACTION_KBD_DOWN,
ACTION_KBD_MORSE_INPUT,
ACTION_KBD_MORSE_SELECT,
#ifdef HAVE_TOUCHSCREEN
/* the following are helper actions for touchscreen targets,
* These are for actions which are not doable or required if buttons are
* being used, but are nice additions if the touchscreen is used */
ACTION_TOUCH_SHUFFLE,
ACTION_TOUCH_REPMODE,
#endif
/* USB HID codes */
ACTION_USB_HID_PLAY,
ACTION_USB_HID_STOP,
ACTION_USB_HID_SKIPPREV,
ACTION_USB_HID_SKIPNEXT,
ACTION_USB_HID_VOLDOWN,
ACTION_USB_HID_VOLUP,
ACTION_USB_HID_MUTE,
ACTION_USB_HID_MENU,
LAST_ACTION_PLACEHOLDER, /* custom actions should be this + something */
};
struct button_mapping {
int action_code;
int button_code;
int pre_button_code;
};
/* use if you want to supply your own button mappings, PLUGINS ONLY */
/* get_context_map is a function which returns a button_mapping* depedning on the given context */
/* custom button_mappings may "chain" to inbuilt CONTEXT's */
int get_custom_action(int context,int timeout,
const struct button_mapping* (*get_context_map)(int));
/* use if one of the standard CONTEXT_ mappings will work (ALL the core should be using this! */
int get_action(int context, int timeout);
/* call this if you need to check for ACTION_STD_CANCEL only (i.e user abort! */
bool action_userabort(int timeout);
/* no other code should need this apart from action.c */
const struct button_mapping* get_context_mapping(int context);
#ifndef HAS_BUTTON_HOLD
bool is_keys_locked(void);
#endif
/* returns the status code variable from action.c for the button just pressed
If button != NULL it will be set to the actual button code */
#define ACTION_REMOTE 0x1 /* remote was pressed */
#define ACTION_REPEAT 0x2 /* action was repeated (NOT button) */
int get_action_statuscode(int *button);
/* returns the data value associated with the last action that is not
BUTTON_NONE or flagged with SYS_EVENT */
intptr_t get_action_data(void);
#ifdef HAVE_TOUCHSCREEN
/* return BUTTON_NONE on error
BUTTON_REPEAT if repeated press
BUTTON_REL if its a short press
BUTTON_TOUCHSCREEN otherwise
*/
int action_get_touchscreen_press(short *x, short *y);
#endif
#endif /* __ACTION_H__ */
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