Gesture Layer: implementation of 'tap + longpressed' sequence
Callbacks can be set: - at the start of the sequence, i.e at the start of the single tap - at the end of the sequence, i.e when mouse up occurs on long press - when longpress is detected, i.e when mouse is still down during longpress
This commit is contained in:
Daniel Zaoui
parent
3b26991959
commit
76719a836b
|
|
@ -419,6 +419,7 @@ elm_frame.c \
|
|||
elm_gengrid.c \
|
||||
elm_genlist.c \
|
||||
elm_gesture_layer.c \
|
||||
elm_gesture_layer_extra_gestures.c \
|
||||
elm_glview.c \
|
||||
elm_grid.c \
|
||||
elm_hover.c \
|
||||
|
|
|
|||
|
|
@ -0,0 +1,238 @@
|
|||
#include <Eina.h>
|
||||
#include <Elementary.h>
|
||||
|
||||
//#define DEBUGON
|
||||
#ifdef DEBUGON
|
||||
# define gl_debug(x...) fprintf(stderr, __FILE__": " x)
|
||||
#else
|
||||
# define gl_debug(x...) do { } while (0)
|
||||
#endif
|
||||
|
||||
struct _Func_Data
|
||||
{
|
||||
EINA_INLIST;
|
||||
void *user_data; /**< Holds user data to CB (like sd) */
|
||||
Elm_Gesture_Event_Cb cb;
|
||||
};
|
||||
typedef struct _Func_Data Func_Data;
|
||||
|
||||
struct _Tap_Longpress_Info
|
||||
{
|
||||
Evas_Object *obj;
|
||||
Eina_Inlist *cbs[ELM_GESTURE_STATE_ABORT + 1]; /**< Callback info (Func_Data) for states */
|
||||
void *data;
|
||||
|
||||
Ecore_Timer *timer_between_taps;
|
||||
unsigned int nb_taps_on_single : 7;
|
||||
Eina_Bool long_tap_started : 1;
|
||||
};
|
||||
|
||||
typedef struct _Tap_Longpress_Info Tap_Longpress_Info;
|
||||
|
||||
static Evas_Event_Flags
|
||||
_cb_call(Tap_Longpress_Info *info, Elm_Gesture_State state, void *event_info)
|
||||
{
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
Func_Data *cb_info;
|
||||
EINA_INLIST_FOREACH(info->cbs[state], cb_info)
|
||||
flags |= cb_info->cb(cb_info->user_data, event_info);
|
||||
return flags;
|
||||
}
|
||||
|
||||
static Evas_Event_Flags
|
||||
_tap_long_single_tap_start_cb(void *data, void *event_info)
|
||||
{
|
||||
Tap_Longpress_Info *info = data;
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
if (!info->nb_taps_on_single)
|
||||
{
|
||||
gl_debug("\n%s\n", __FUNCTION__);
|
||||
_cb_call(info, ELM_GESTURE_STATE_START, event_info);
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
static Evas_Event_Flags
|
||||
_tap_long_single_tap_abort_cb(void *data, void *event_info EINA_UNUSED)
|
||||
{
|
||||
Tap_Longpress_Info *info = data;
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
if (!info->long_tap_started)
|
||||
{
|
||||
gl_debug("%s\n", __FUNCTION__);
|
||||
_cb_call(info, ELM_GESTURE_STATE_ABORT, NULL);
|
||||
info->nb_taps_on_single = 0;
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
static Eina_Bool
|
||||
_tap_long_timeout(void *data)
|
||||
{
|
||||
gl_debug("%s\n", __FUNCTION__);
|
||||
Tap_Longpress_Info *info = data;
|
||||
_tap_long_single_tap_abort_cb(info, NULL);
|
||||
info->timer_between_taps = NULL;
|
||||
return ECORE_CALLBACK_CANCEL;
|
||||
}
|
||||
|
||||
static Evas_Event_Flags
|
||||
_tap_long_single_tap_end_cb(void *data, void *event_info)
|
||||
{
|
||||
gl_debug("%s\n", __FUNCTION__);
|
||||
Tap_Longpress_Info *info = data;
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
double timeout_between_taps = elm_gesture_layer_double_tap_timeout_get(info->obj);
|
||||
info->timer_between_taps = ecore_timer_add(timeout_between_taps,
|
||||
_tap_long_timeout, info);
|
||||
info->nb_taps_on_single = ((Elm_Gesture_Taps_Info *)event_info)->n;
|
||||
return flags;
|
||||
}
|
||||
|
||||
static Evas_Event_Flags
|
||||
_tap_long_long_tap_start_cb(void *data, void *event_info EINA_UNUSED)
|
||||
{
|
||||
Tap_Longpress_Info *info = data;
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
if (info->nb_taps_on_single && info->timer_between_taps)
|
||||
{
|
||||
gl_debug("%s\n", __FUNCTION__);
|
||||
info->long_tap_started = EINA_TRUE;
|
||||
ecore_timer_del(info->timer_between_taps);
|
||||
info->timer_between_taps = NULL;
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
static Evas_Event_Flags
|
||||
_tap_long_long_tap_abort_cb(void *data, void *event_info EINA_UNUSED)
|
||||
{
|
||||
Tap_Longpress_Info *info = data;
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
if (info->long_tap_started)
|
||||
{
|
||||
gl_debug("%s\n", __FUNCTION__);
|
||||
_cb_call(info, ELM_GESTURE_STATE_ABORT, NULL);
|
||||
info->nb_taps_on_single = 0;
|
||||
info->long_tap_started = EINA_FALSE;
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
static Evas_Event_Flags
|
||||
_tap_long_long_tap_move_cb(void *data, void *event_info)
|
||||
{
|
||||
Tap_Longpress_Info *info = data;
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
if (info->long_tap_started)
|
||||
{
|
||||
if (((Elm_Gesture_Taps_Info *)event_info)->n != info->nb_taps_on_single)
|
||||
{
|
||||
_tap_long_long_tap_abort_cb(info, NULL);
|
||||
}
|
||||
else
|
||||
{
|
||||
gl_debug("%s\n", __FUNCTION__);
|
||||
_cb_call(info, ELM_GESTURE_STATE_MOVE, event_info);
|
||||
}
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
static Evas_Event_Flags
|
||||
_tap_long_long_tap_end_cb(void *data, void *event_info)
|
||||
{
|
||||
Tap_Longpress_Info *info = data;
|
||||
Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
|
||||
if (info->long_tap_started)
|
||||
{
|
||||
gl_debug("%s\n", __FUNCTION__);
|
||||
_cb_call(info, ELM_GESTURE_STATE_END, event_info);
|
||||
info->long_tap_started = EINA_FALSE;
|
||||
info->nb_taps_on_single = 0;
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
static void
|
||||
_object_delete(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
|
||||
{
|
||||
Tap_Longpress_Info *info = evas_object_data_get(obj, "Tap-Longpress");
|
||||
if (info)
|
||||
{
|
||||
Eina_Inlist *itr;
|
||||
Func_Data *cb_info;
|
||||
int state;
|
||||
for (state = ELM_GESTURE_STATE_START; state <= ELM_GESTURE_STATE_ABORT; state++)
|
||||
{
|
||||
EINA_INLIST_FOREACH_SAFE(info->cbs[state], itr, cb_info)
|
||||
{
|
||||
info->cbs[state] = eina_inlist_remove(
|
||||
info->cbs[state], EINA_INLIST_GET(cb_info));
|
||||
free(cb_info);
|
||||
}
|
||||
}
|
||||
elm_gesture_layer_cb_del(obj, ELM_GESTURE_N_TAPS, ELM_GESTURE_STATE_START, _tap_long_single_tap_start_cb, info);
|
||||
elm_gesture_layer_cb_del(obj, ELM_GESTURE_N_TAPS, ELM_GESTURE_STATE_ABORT, _tap_long_single_tap_abort_cb, info);
|
||||
elm_gesture_layer_cb_del(obj, ELM_GESTURE_N_TAPS, ELM_GESTURE_STATE_END, _tap_long_single_tap_end_cb, info);
|
||||
elm_gesture_layer_cb_del(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_START, _tap_long_long_tap_start_cb, info);
|
||||
elm_gesture_layer_cb_del(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_MOVE, _tap_long_long_tap_move_cb, info);
|
||||
elm_gesture_layer_cb_del(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_ABORT, _tap_long_long_tap_abort_cb, info);
|
||||
elm_gesture_layer_cb_del(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_END, _tap_long_long_tap_end_cb, info);
|
||||
evas_object_data_del(obj, "Tap-Longpress");
|
||||
free(info);
|
||||
}
|
||||
}
|
||||
|
||||
EAPI void elm_gesture_layer_tap_longpress_cb_add(Evas_Object *obj, Elm_Gesture_State state, Elm_Gesture_Event_Cb cb, void *data)
|
||||
{
|
||||
Tap_Longpress_Info *info = evas_object_data_get(obj, "Tap-Longpress");
|
||||
if (!info)
|
||||
{
|
||||
info = calloc(1, sizeof(*info));
|
||||
info->obj = obj;
|
||||
elm_gesture_layer_cb_add(obj, ELM_GESTURE_N_TAPS, ELM_GESTURE_STATE_START, _tap_long_single_tap_start_cb, info);
|
||||
elm_gesture_layer_cb_add(obj, ELM_GESTURE_N_TAPS, ELM_GESTURE_STATE_ABORT, _tap_long_single_tap_abort_cb, info);
|
||||
elm_gesture_layer_cb_add(obj, ELM_GESTURE_N_TAPS, ELM_GESTURE_STATE_END, _tap_long_single_tap_end_cb, info);
|
||||
elm_gesture_layer_cb_add(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_START, _tap_long_long_tap_start_cb, info);
|
||||
elm_gesture_layer_cb_add(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_MOVE, _tap_long_long_tap_move_cb, info);
|
||||
elm_gesture_layer_cb_add(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_ABORT, _tap_long_long_tap_abort_cb, info);
|
||||
elm_gesture_layer_cb_add(obj, ELM_GESTURE_N_LONG_TAPS, ELM_GESTURE_STATE_END, _tap_long_long_tap_end_cb, info);
|
||||
evas_object_data_set(obj, "Tap-Longpress", info);
|
||||
evas_object_event_callback_add(obj, EVAS_CALLBACK_DEL, _object_delete, NULL);
|
||||
}
|
||||
|
||||
Func_Data *cb_info = calloc(1, sizeof(*cb_info));
|
||||
if (!cb_info) return;
|
||||
cb_info->cb = cb;
|
||||
cb_info->user_data = data;
|
||||
info->cbs[state] = eina_inlist_append(info->cbs[state],
|
||||
EINA_INLIST_GET(cb_info));
|
||||
}
|
||||
|
||||
EAPI void elm_gesture_layer_tap_longpress_cb_del(Evas_Object *obj, Elm_Gesture_State state, Elm_Gesture_Event_Cb cb, void *data)
|
||||
{
|
||||
Tap_Longpress_Info *info = evas_object_data_get(obj, "Tap-Longpress");
|
||||
if (!info) return;
|
||||
|
||||
Eina_Inlist *itr;
|
||||
Func_Data *cb_info;
|
||||
EINA_INLIST_FOREACH_SAFE(info->cbs[state], itr, cb_info)
|
||||
{
|
||||
if (cb_info->cb == cb && cb_info->user_data == data)
|
||||
{
|
||||
info->cbs[state] = eina_inlist_remove(
|
||||
info->cbs[state], EINA_INLIST_GET(cb_info));
|
||||
free(cb_info);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!info->cbs[ELM_GESTURE_STATE_START] &&
|
||||
!info->cbs[ELM_GESTURE_STATE_MOVE] &&
|
||||
!info->cbs[ELM_GESTURE_STATE_END] &&
|
||||
!info->cbs[ELM_GESTURE_STATE_ABORT])
|
||||
{
|
||||
_object_delete(NULL, NULL, obj, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -168,3 +168,40 @@ EAPI void elm_gesture_layer_tap_finger_size_set(Evas_Object *obj, Evas_Coord sz)
|
|||
*
|
||||
*/
|
||||
EAPI Evas_Coord elm_gesture_layer_tap_finger_size_get(const Evas_Object *obj);
|
||||
|
||||
/**
|
||||
* @since 1.8
|
||||
* This function adds a callback called during Tap + Long Tap sequence.
|
||||
*
|
||||
* @param state state for the callback to add.
|
||||
* @param cb callback pointer
|
||||
* @param data user data for the callback.
|
||||
*
|
||||
* The callbacks will be called as followed:
|
||||
* - start cbs on single tap start
|
||||
* - move cbs on long press move
|
||||
* - end cbs on long press end
|
||||
* - abort cbs whenever in the sequence. The event info will be NULL, because it
|
||||
* can be triggered from multiple events (timer expired, abort single/long taps).
|
||||
*
|
||||
* You can remove the callbacks by using elm_gesture_layer_tap_longpress_cb_del.
|
||||
*
|
||||
* @see elm_gesture_layer_tap_longpress_cb_del
|
||||
*/
|
||||
EAPI void elm_gesture_layer_tap_longpress_cb_add(Evas_Object *obj, Elm_Gesture_State state, Elm_Gesture_Event_Cb cb, void *data);
|
||||
|
||||
/**
|
||||
* @since 1.8
|
||||
* This function removes a callback called during Tap + Long Tap sequence.
|
||||
*
|
||||
* @param state state for the callback to add.
|
||||
* @param cb callback pointer
|
||||
* @param data user data for the callback.
|
||||
*
|
||||
* The internal data used for the sequence will be freed ONLY when all the
|
||||
* callbacks added via elm_gesture_layer_tap_longpress_cb_add are removed by
|
||||
* this function.
|
||||
*
|
||||
* @see elm_gesture_layer_tap_longpress_cb_add
|
||||
*/
|
||||
EAPI void elm_gesture_layer_tap_longpress_cb_del(Evas_Object *obj, Elm_Gesture_State state, Elm_Gesture_Event_Cb cb, void *data);
|
||||
|
|
|
|||
Loading…
Reference in New Issue