/* gui_unboost_callback() is called GUI_BOOST_TIMEOUT seconds after the
* last wheel scrolling event. */
static int gui_unboost_callback(struct timeout *tmo)
{
(void)tmo;
gui_boost(false);
return 0;
}
/*
* int get_action_worker(int context, struct button_mapping *user_mappings,
int timeout)
This function searches the button list for the given context for the just
pressed button.
If there is a match it returns the value from the list.
If there is no match..
the last item in the list "points" to the next context in a chain
so the "chain" is followed until the button is found.
putting ACTION_NONE will get CONTEXT_STD which is always the last list checked.
Timeout can be TIMEOUT_NOBLOCK to return immediatly
TIMEOUT_BLOCK to wait for a button press
Any number >0 to wait that many ticks for a press
*/
static int get_action_worker(int context, int timeout,
const struct button_mapping* (*get_context_map)(int) )
{
const struct button_mapping *items = NULL;
int button;
int i=0;
int ret = ACTION_UNKNOWN;
static int last_context = CONTEXT_STD;
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
if (timeout == TIMEOUT_NOBLOCK)
button = button_get(false);
else if (timeout == TIMEOUT_BLOCK)
button = button_get(true);
else
button = button_get_w_tmo(timeout);
#if defined(HAVE_GUI_BOOST) && defined(HAVE_ADJUSTABLE_CPU_FREQ)
static struct timeout gui_unboost;
/* Boost the CPU in case of wheel scrolling activity in the defined contexts.
* Call unboost with a timeout of GUI_BOOST_TIMEOUT. */
if ((button&(BUTTON_SCROLL_BACK|BUTTON_SCROLL_FWD)) &&
(context == CONTEXT_STD || context == CONTEXT_LIST ||
context == CONTEXT_MAINMENU || context == CONTEXT_TREE))
{
gui_boost(true);
timeout_register(&gui_unboost, gui_unboost_callback, GUI_BOOST_TIMEOUT, 0);
}
#endif
/* Data from sys events can be pulled with button_get_data
* multimedia button presses don't go through the action system */
if (button == BUTTON_NONE || button & (SYS_EVENT|BUTTON_MULTIMEDIA))
return button;
/* Don't send any buttons through untill we see the release event */
if (wait_for_release)
{
if (button&BUTTON_REL)
{
/* remember the button for the below button eating on context
* change */
last_button = button;
wait_for_release = false;
}
return ACTION_NONE;
}
#if CONFIG_CODEC == SWCODEC
/* Produce keyclick */
keyclick_click(button);
#endif
if ((context != last_context) && ((last_button & BUTTON_REL) == 0)
#ifdef HAVE_SCROLLWHEEL
/* Scrollwheel doesn't generate release events */
&& !(last_button & (BUTTON_SCROLL_BACK | BUTTON_SCROLL_FWD))
#endif
)
{
if (button & BUTTON_REL)
{
last_button = button;
last_action = ACTION_NONE;
}
/* eat all buttons until the previous button was |BUTTON_REL
(also eat the |BUTTON_REL button) */
return ACTION_NONE; /* "safest" return value */
}
last_context = context;
#ifndef HAS_BUTTON_HOLD
screen_has_lock = ((context & ALLOW_SOFTLOCK) == ALLOW_SOFTLOCK);
if (screen_has_lock && keys_locked)
{
if (button == unlock_combo)
{
last_button = BUTTON_NONE;
keys_locked = false;
splash(HZ/2, str(LANG_KEYLOCK_OFF));
return ACTION_REDRAW;
}
else
#if (BUTTON_REMOTE != 0)
if ((button & BUTTON_REMOTE) == 0)
#endif
{
if ((button & BUTTON_REL))
splash(HZ/2, str(LANG_KEYLOCK_ON));
return ACTION_REDRAW;
}
}
context &= ~ALLOW_SOFTLOCK;
#endif /* HAS_BUTTON_HOLD */
#ifdef HAVE_TOUCHSCREEN
if (button & BUTTON_TOUCHSCREEN)
{
repeated = false;
short_press = false;
if (last_button & BUTTON_TOUCHSCREEN)
{
if ((button & BUTTON_REL) &&
((last_button & BUTTON_REPEAT)==0))
{
short_press = true;
}
else if (button & BUTTON_REPEAT)
repeated = true;
}
last_button = button;
return ACTION_TOUCHSCREEN;
}
#endif
#if defined(HAVE_LCD_BITMAP) && !defined(BOOTLOADER)
button = button_flip_horizontally(context, button);
#endif
/* logf("%x,%x",last_button,button); */
while (1)
{
/* logf("context = %x",context); */
#if (BUTTON_REMOTE != 0)
if (button & BUTTON_REMOTE)
context |= CONTEXT_REMOTE;
#endif
if ((context & CONTEXT_PLUGIN) && get_context_map)
items = get_context_map(context);
else
items = get_context_mapping(context);
if (items == NULL)
break;
ret = do_button_check(items,button,last_button,&i);
if (ret == ACTION_UNKNOWN)
{
context = get_next_context(items,i);
if (context != (int)CONTEXT_STOPSEARCHING)
{
i = 0;
continue;
}
}
/* Action was found or STOPSEARCHING was specified */
break;
}
/* DEBUGF("ret = %x\n",ret); */
#ifndef HAS_BUTTON_HOLD
if (screen_has_lock && (ret == ACTION_STD_KEYLOCK))
{
unlock_combo = button;
keys_locked = true;
splash(HZ/2, str(LANG_KEYLOCK_ON));
button_clear_queue();
return ACTION_REDRAW;
}
#endif
if ((current_tick - last_action_tick < REPEAT_WINDOW_TICKS)
&& (ret == last_action))
repeated = true;
else
repeated = false;
last_button = button;
last_action = ret;
last_data = button_get_data();
last_action_tick = current_tick;
return ret;
}
/*
* int get_action_worker(int context, struct button_mapping *user_mappings,
int timeout)
This function searches the button list for the given context for the just
pressed button.
If there is a match it returns the value from the list.
If there is no match..
the last item in the list "points" to the next context in a chain
so the "chain" is followed until the button is found.
putting ACTION_NONE will get CONTEXT_STD which is always the last list checked.
Timeout can be TIMEOUT_NOBLOCK to return immediatly
TIMEOUT_BLOCK to wait for a button press
Any number >0 to wait that many ticks for a press
*/
static int get_action_worker(int context, int timeout,
const struct button_mapping* (*get_context_map)(int) )
{
const struct button_mapping *items = NULL;
int button;
int i=0;
int ret = ACTION_UNKNOWN;
static int last_context = CONTEXT_STD;
send_event(GUI_EVENT_ACTIONUPDATE, NULL);
if (timeout == TIMEOUT_NOBLOCK)
button = button_get(false);
else if (timeout == TIMEOUT_BLOCK)
button = button_get(true);
else
button = button_get_w_tmo(timeout);
#if defined(HAVE_GUI_BOOST) && defined(HAVE_ADJUSTABLE_CPU_FREQ)
static struct timeout gui_unboost;
/* Boost the CPU in case of wheel scrolling activity in the defined contexts.
* Call unboost with a timeout of GUI_BOOST_TIMEOUT. */
if ((button&(BUTTON_SCROLL_BACK|BUTTON_SCROLL_FWD)) &&
(context == CONTEXT_STD || context == CONTEXT_LIST ||
context == CONTEXT_MAINMENU || context == CONTEXT_TREE))
{
gui_boost(true);
timeout_register(&gui_unboost, gui_unboost_callback, GUI_BOOST_TIMEOUT, 0);
}
#endif
/* Data from sys events can be pulled with button_get_data
* multimedia button presses don't go through the action system */
if (button == BUTTON_NONE || button & (SYS_EVENT|BUTTON_MULTIMEDIA))
{
/* no button pressed so no point in waiting for release */
if (button == BUTTON_NONE)
wait_for_release = false;
return button;
}
/* the special redraw button should result in a screen refresh */
if (button == BUTTON_REDRAW)
return ACTION_REDRAW;
/* if action_wait_for_release() was called without a button being pressed
* then actually waiting for release would do the wrong thing, i.e.
* the next key press is entirely ignored. So, if here comes a normal
* button press (neither release nor repeat) the press is a fresh one and
* no point in waiting for release
*
* This logic doesn't work for touchscreen which can send normal
* button events repeatedly before the first repeat (as in BUTTON_REPEAT).
* These cannot be distinguished from the very first touch
* but there's nothing we can do about it here */
if ((button & (BUTTON_REPEAT|BUTTON_REL)) == 0)
wait_for_release = false;
/* Don't send any buttons through untill we see the release event */
if (wait_for_release)
{
if (button&BUTTON_REL)
{
/* remember the button for the below button eating on context
* change */
last_button = button;
wait_for_release = false;
}
return ACTION_NONE;
}
if ((context != last_context) && ((last_button & BUTTON_REL) == 0)
#ifdef HAVE_SCROLLWHEEL
/* Scrollwheel doesn't generate release events */
&& !(last_button & (BUTTON_SCROLL_BACK | BUTTON_SCROLL_FWD))
#endif
)
{
if (button & BUTTON_REL)
{
last_button = button;
last_action = ACTION_NONE;
}
/* eat all buttons until the previous button was |BUTTON_REL
(also eat the |BUTTON_REL button) */
return ACTION_NONE; /* "safest" return value */
}
last_context = context;
#ifndef HAS_BUTTON_HOLD
screen_has_lock = ((context & ALLOW_SOFTLOCK) == ALLOW_SOFTLOCK);
if (is_keys_locked())
{
if (button == unlock_combo)
{
last_button = BUTTON_NONE;
keys_locked = false;
#if defined(HAVE_TOUCHPAD) || defined(HAVE_TOUCHSCREEN)
/* enable back touch device */
button_enable_touch(true);
#endif
splash(HZ/2, str(LANG_KEYLOCK_OFF));
return ACTION_REDRAW;
}
else
#if (BUTTON_REMOTE != 0)
if ((button & BUTTON_REMOTE) == 0)
#endif
{
if ((button & BUTTON_REL))
splash(HZ/2, str(LANG_KEYLOCK_ON));
return ACTION_REDRAW;
}
}
#if defined(HAVE_TOUCHPAD) || defined(HAVE_TOUCHSCREEN)
else
{
/* make sure touchpad get reactivated if we quit the screen */
button_enable_touch(true);
}
#endif
context &= ~ALLOW_SOFTLOCK;
#endif /* HAS_BUTTON_HOLD */
#ifdef HAVE_TOUCHSCREEN
if (button & BUTTON_TOUCHSCREEN)
{
repeated = false;
short_press = false;
if (last_button & BUTTON_TOUCHSCREEN)
{
if ((button & BUTTON_REL) &&
((last_button & BUTTON_REPEAT)==0))
{
short_press = true;
}
else if (button & BUTTON_REPEAT)
repeated = true;
}
last_button = button;
return ACTION_TOUCHSCREEN;
}
#endif
#if defined(HAVE_LCD_BITMAP) && !defined(BOOTLOADER)
button = button_flip_horizontally(context, button);
#endif
/* logf("%x,%x",last_button,button); */
while (1)
{
/* logf("context = %x",context); */
#if (BUTTON_REMOTE != 0)
if (button & BUTTON_REMOTE)
context |= CONTEXT_REMOTE;
#endif
if ((context & CONTEXT_PLUGIN) && get_context_map)
items = get_context_map(context);
else
items = get_context_mapping(context);
if (items == NULL)
break;
ret = do_button_check(items,button,last_button,&i);
if (ret == ACTION_UNKNOWN)
{
context = get_next_context(items,i);
if (context != (int)CONTEXT_STOPSEARCHING)
{
i = 0;
continue;
}
}
/* Action was found or STOPSEARCHING was specified */
break;
}
/* DEBUGF("ret = %x\n",ret); */
#ifndef HAS_BUTTON_HOLD
if (screen_has_lock && (ret == ACTION_STD_KEYLOCK))
{
unlock_combo = button;
keys_locked = true;
splash(HZ/2, str(LANG_KEYLOCK_ON));
#if defined(HAVE_TOUCHPAD) || defined(HAVE_TOUCHSCREEN)
/* disable touch device on keylock */
button_enable_touch(false);
#endif
button_clear_queue();
return ACTION_REDRAW;
}
#endif
if ((current_tick - last_action_tick < REPEAT_WINDOW_TICKS)
&& (ret == last_action))
repeated = true;
else
repeated = false;
last_button = button;
last_action = ret;
last_data = button_get_data();
last_action_tick = current_tick;
#if CONFIG_CODEC == SWCODEC
/* Produce keyclick */
keyclick_click(false, ret);
#endif
return ret;
}