2 # include "elementary_config.h"
5 #include <Elementary.h>
8 EAPI Eo_Op ELM_OBJ_GESTURE_LAYER_BASE_ID = EO_NOOP;
10 #define MY_CLASS ELM_OBJ_GESTURE_LAYER_CLASS
12 #define MY_CLASS_NAME "elm_gesture_layer"
15 #define ELM_MOUSE_DEVICE 0
16 /* ELM_GESTURE_NEGATIVE_ANGLE - magic number says we didn't compute this yet */
17 #define ELM_GESTURE_NEGATIVE_ANGLE (-1.0) /* Magic number */
18 #define ELM_GESTURE_MOMENTUM_DELAY 25
19 #define ELM_GESTURE_MOMENTUM_TIMEOUT 50
20 #define ELM_GESTURE_MULTI_TIMEOUT 50
21 #define ELM_GESTURE_MINIMUM_MOMENTUM 0.001
23 /* Some Trigo values */
24 #define RAD_90DEG M_PI_2
25 #define RAD_180DEG M_PI
26 #define RAD_270DEG (M_PI_2 * 3)
27 #define RAD_360DEG (M_PI * 2)
29 #define RAD2DEG(x) ((x) * 57.295779513)
30 #define DEG2RAD(x) ((x) / 57.295779513)
33 _glayer_buf_dup(void *buf, size_t size)
43 #define COPY_EVENT_INFO(EV) _glayer_buf_dup(EV, sizeof(*EV))
45 #define SET_TEST_BIT(P) \
47 P->test = P->cbs[ELM_GESTURE_STATE_START] || \
48 P->cbs[ELM_GESTURE_STATE_MOVE] || \
49 P->cbs[ELM_GESTURE_STATE_END] || \
50 P->cbs[ELM_GESTURE_STATE_ABORT]; \
53 #define IS_TESTED_GESTURE(gesture) \
54 ((gesture) ? (gesture)->test : EINA_FALSE)
56 #define IS_TESTED(T) \
57 ((sd->gesture[T]) ? sd->gesture[T]->test : EINA_FALSE)
59 #define ELM_GESTURE_LAYER_DATA_GET(o, sd) \
60 Elm_Gesture_Layer_Smart_Data * sd = eo_data_scope_get(o, MY_CLASS)
62 #define ELM_GESTURE_LAYER_DATA_GET_OR_RETURN(o, ptr) \
63 ELM_GESTURE_LAYER_DATA_GET(o, ptr); \
66 CRITICAL("No widget data for object %p (%s)", \
67 o, evas_object_type_get(o)); \
71 #define ELM_GESTURE_LAYER_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
72 ELM_GESTURE_LAYER_DATA_GET(o, ptr); \
75 CRITICAL("No widget data for object %p (%s)", \
76 o, evas_object_type_get(o)); \
80 #define ELM_GESTURE_LAYER_CHECK(obj) \
81 if (!obj || !eo_isa(obj, MY_CLASS)) \
87 * @struct _Pointer_Event
88 * Struct holds pointer-event info
89 * This is a generic pointer event structure
91 * @ingroup Elm_Gesture_Layer
96 unsigned int timestamp;
98 Evas_Callback_Type event_type;
104 * @typedef Pointer_Event
105 * Type for generic pointer event structure
107 * @ingroup Elm_Gesture_Layer
109 typedef struct _Pointer_Event Pointer_Event;
115 * Struct holds callback information.
117 * @ingroup Elm_Gesture_Layer
122 void *user_data; /**< Holds user data to CB (like sd) */
123 Elm_Gesture_Event_Cb cb;
130 * type for callback information
132 * @ingroup Elm_Gesture_Layer
134 typedef struct _Func_Data Func_Data;
139 * @struct _Gesture_Info
140 * Struct holds gesture info
142 * @ingroup Elm_Gesture_Layer
147 void *data; /**< Holds gesture intemidiate processing data */
148 Eina_Inlist *cbs[ELM_GESTURE_STATE_ABORT + 1]; /**< Callback info (Func_Data) for states */
149 Elm_Gesture_Type g_type; /**< gesture type */
150 Elm_Gesture_State state; /**< gesture state */
151 void *info; /**< Data for the state callback */
152 Eina_Bool test; /**< if true this gesture should be tested on input */
158 * @typedef Gesture_Info
159 * Type for _Gesture_Info
161 * @ingroup Elm_Gesture_Layer
163 typedef struct _Gesture_Info Gesture_Info;
167 void (*test)(Evas_Object *obj, Pointer_Event *pe,
168 void *event_info, Evas_Callback_Type event_type,
169 Elm_Gesture_Type g_type);
170 void (*reset)(Gesture_Info *gesture);
171 void (*cont_reset)(Gesture_Info *gesture); /* Can be NULL. */
174 /* functions referred by _glayer_tests_array */
175 static void _tap_gesture_test(Evas_Object *obj,
178 Evas_Callback_Type event_type,
179 Elm_Gesture_Type g_type);
180 static void _tap_gestures_test_reset(Gesture_Info *gesture);
181 static void _n_long_tap_test(Evas_Object *obj,
184 Evas_Callback_Type event_type,
185 Elm_Gesture_Type g_type);
186 static void _n_long_tap_test_reset(Gesture_Info *gesture);
187 static void _momentum_test(Evas_Object *obj,
190 Evas_Callback_Type event_type,
191 Elm_Gesture_Type g_type);
192 static void _momentum_test_reset(Gesture_Info *gesture);
193 static void _n_line_test(Evas_Object *obj,
196 Evas_Callback_Type event_type,
197 Elm_Gesture_Type g_type);
198 static void _line_test_reset(Gesture_Info *gesture);
199 static void _zoom_test(Evas_Object *obj,
202 Evas_Callback_Type event_type,
203 Elm_Gesture_Type g_type);
204 static void _zoom_test_reset(Gesture_Info *gesture);
205 static void _rotate_test(Evas_Object *obj,
208 Evas_Callback_Type event_type,
209 Elm_Gesture_Type g_type);
210 static void _rotate_test_reset(Gesture_Info *gesture);
212 static void _event_process(void *data,
215 Evas_Callback_Type event_type);
217 static void _callbacks_unregister(Evas_Object *obj);
219 /* Should be the same order as _Elm_Gesture_Type */
220 static Tests_Array_Funcs _glayer_tests_array[] = {
221 { NULL, NULL, NULL }, /** Because someone made an awful mistake. */
222 { _tap_gesture_test, _tap_gestures_test_reset, NULL },
223 /* ELM_GESTURE_N_TAPS */
224 { _n_long_tap_test, _n_long_tap_test_reset, NULL },
225 /* ELM_GESTURE_N_LONG_TAPS */
226 { _tap_gesture_test, _tap_gestures_test_reset, NULL },
227 /* ELM_GESTURE_N_DOUBLE_TAPS */
228 { _tap_gesture_test, _tap_gestures_test_reset, NULL },
229 /* ELM_GESTURE_N_TRIPLE_TAPS */
230 { _momentum_test, _momentum_test_reset, _momentum_test_reset },
231 /* ELM_GESTURE_MOMENTUM */
232 { _n_line_test, _line_test_reset, _line_test_reset },
233 /* ELM_GESTURE_N_LINES */
234 { _n_line_test, _line_test_reset, _line_test_reset },
235 /* ELM_GESTURE_N_FLICKS */
236 { _zoom_test, _zoom_test_reset, _zoom_test_reset },
237 /* ELM_GESTURE_ZOOM */
238 { _rotate_test, _rotate_test_reset, _rotate_test_reset },
239 /* ELM_GESTURE_ROTATE */
246 * @struct _Event_History
247 * Struct holds event history.
248 * These events are repeated if no gesture found.
250 * @ingroup Elm_Gesture_Layer
252 struct _Event_History
256 Evas_Callback_Type event_type;
262 * @typedef Event_History
263 * Type for _Event_History
265 * @ingroup Elm_Gesture_Layer
267 typedef struct _Event_History Event_History;
269 /* All *Type structs hold result for the user in 'info' field
270 * The rest is gesture processing intermediate data.
271 * NOTE: info field must be FIRST in the struct.
272 * This is used when reporting ABORT in _event_history_clear() */
275 Elm_Gesture_Taps_Info info;
278 unsigned int n_taps_needed;
282 typedef struct _Taps_Type Taps_Type;
284 struct _Long_Tap_Type
286 Elm_Gesture_Taps_Info info;
289 Ecore_Timer *timeout; /* When this expires, long tap STARTed */
292 typedef struct _Long_Tap_Type Long_Tap_Type;
294 struct _Momentum_Type /* Fields used by _line_test() */
296 Elm_Gesture_Momentum_Info info;
297 Evas_Coord_Point line_st;
298 Evas_Coord_Point line_end;
299 unsigned int t_st_x; /* Time start on X */
300 unsigned int t_st_y; /* Time start on Y */
301 unsigned int t_end; /* Time end */
302 unsigned int t_up; /* Recent up event time */
305 typedef struct _Momentum_Type Momentum_Type;
309 Evas_Coord_Point line_st;
310 Evas_Coord_Point line_end;
311 Evas_Coord line_length;
312 unsigned int t_st; /* Time start */
313 unsigned int t_end; /* Time end */
315 double line_angle; /* Current angle of line */
317 typedef struct _Line_Data Line_Data;
319 struct _Line_Type /* Fields used by _line_test() */
321 Elm_Gesture_Line_Info info;
322 Eina_List *list; /* List of Line_Data */
324 typedef struct _Line_Type Line_Type;
326 struct _Zoom_Type /* Fields used by _zoom_test() */
328 Elm_Gesture_Zoom_Info info;
329 Pointer_Event zoom_st;
330 Pointer_Event zoom_mv;
331 Pointer_Event zoom_st1;
332 Pointer_Event zoom_mv1;
333 Evas_Event_Mouse_Wheel *zoom_wheel;
334 Evas_Coord zoom_base; /* Holds gap between fingers on
336 Evas_Coord zoom_distance_tolerance;
337 unsigned int m_st_tm; /* momentum start time */
338 unsigned int m_prev_tm; /* momentum prev time */
339 int dir; /* Direction: 1=zoom-in, (-1)=zoom-out */
340 double m_base; /* zoom value when momentum starts */
343 typedef struct _Zoom_Type Zoom_Type;
345 struct _Rotate_Type /* Fields used by _rotation_test() */
347 Elm_Gesture_Rotate_Info info;
348 Pointer_Event rotate_st;
349 Pointer_Event rotate_mv;
350 Pointer_Event rotate_st1;
351 Pointer_Event rotate_mv1;
352 unsigned int prev_momentum_tm; /* timestamp of prev_momentum */
353 double prev_momentum; /* Snapshot of momentum 0.01
355 double accum_momentum;
356 double rotate_angular_tolerance;
359 typedef struct _Rotate_Type Rotate_Type;
361 typedef struct _Elm_Gesture_Layer_Smart_Data Elm_Gesture_Layer_Smart_Data;
362 struct _Elm_Gesture_Layer_Smart_Data
364 Evas_Object *target; /* Target Widget */
365 Event_History *event_history_list;
368 Evas_Coord zoom_distance_tolerance;
369 Evas_Coord line_distance_tolerance;
370 double line_angular_tolerance;
371 double zoom_wheel_factor; /* mouse wheel zoom steps */
372 double zoom_finger_factor; /* used for zoom factor */
373 double rotate_angular_tolerance;
374 unsigned int flick_time_limit_ms;
375 double long_tap_start_timeout;
376 Eina_Bool glayer_continues_enable;
377 double double_tap_timeout;
382 Gesture_Info *gesture[ELM_GESTURE_LAST];
383 Eina_List *pending; /* List of devices need to refeed
385 Eina_List *touched; /* Information of touched devices */
388 Evas_Coord tap_finger_size; /* Default from Config */
389 Ecore_Timer *gest_taps_timeout; /* When this expires, dbl
390 * click/taps ABORTed */
392 Eina_Bool repeat_events : 1;
395 /* START - Functions to manage touched-device list */
398 * This function is used to find if device is touched
400 * @ingroup Elm_Gesture_Layer
403 _device_compare(const void *data1,
406 /* Compare the two device numbers */
407 return ((Pointer_Event *)data1)->device - ((Pointer_Event *)data2)->device;
413 * Remove Pointer Event from touched device list
414 * @param list Pointer to touched device list.
415 * @param Pointer_Event Pointer to PE.
417 * @ingroup Elm_Gesture_Layer
420 _touched_device_remove(Eina_List *list,
423 Eina_List *lst = NULL;
424 Pointer_Event *p = eina_list_search_unsorted(list, _device_compare, pe);
427 lst = eina_list_remove(list, p);
438 * Recoed Pointer Event in touched device list
439 * Note: This fuction allocates memory for PE event
440 * This memory is released in _touched_device_remove()
441 * @param list Pointer to touched device list.
442 * @param Pointer_Event Pointer to PE.
444 * @ingroup Elm_Gesture_Layer
447 _touched_device_add(Eina_List *list,
450 Pointer_Event *p = eina_list_search_unsorted(list, _device_compare, pe);
452 if (p) /* We like to track device touch-position, overwrite info */
454 memcpy(p, pe, sizeof(Pointer_Event));
458 if ((pe->event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
459 (pe->event_type == EVAS_CALLBACK_MULTI_DOWN)) /* Add touched
463 p = malloc(sizeof(Pointer_Event));
464 /* Freed in _touched_device_remove() */
465 memcpy(p, pe, sizeof(Pointer_Event));
466 return eina_list_append(list, p);
472 /* END - Functions to manage touched-device list */
478 * @param event_info pointer to event.
480 * @ingroup Elm_Gesture_Layer
482 static Evas_Event_Flags
483 _event_flag_get(void *event_info,
484 Evas_Callback_Type event_type)
488 case EVAS_CALLBACK_MOUSE_IN:
489 return ((Evas_Event_Mouse_In *)event_info)->event_flags;
491 case EVAS_CALLBACK_MOUSE_OUT:
492 return ((Evas_Event_Mouse_Out *)event_info)->event_flags;
494 case EVAS_CALLBACK_MOUSE_DOWN:
495 return ((Evas_Event_Mouse_Down *)event_info)->event_flags;
497 case EVAS_CALLBACK_MOUSE_MOVE:
498 return ((Evas_Event_Mouse_Move *)event_info)->event_flags;
500 case EVAS_CALLBACK_MOUSE_UP:
501 return ((Evas_Event_Mouse_Up *)event_info)->event_flags;
503 case EVAS_CALLBACK_MOUSE_WHEEL:
504 return ((Evas_Event_Mouse_Wheel *)event_info)->event_flags;
506 case EVAS_CALLBACK_MULTI_DOWN:
507 return ((Evas_Event_Multi_Down *)event_info)->event_flags;
509 case EVAS_CALLBACK_MULTI_MOVE:
510 return ((Evas_Event_Multi_Move *)event_info)->event_flags;
512 case EVAS_CALLBACK_MULTI_UP:
513 return ((Evas_Event_Multi_Up *)event_info)->event_flags;
515 case EVAS_CALLBACK_KEY_DOWN:
516 return ((Evas_Event_Key_Down *)event_info)->event_flags;
518 case EVAS_CALLBACK_KEY_UP:
519 return ((Evas_Event_Key_Up *)event_info)->event_flags;
522 return EVAS_EVENT_FLAG_NONE;
529 * Sets event flag to value returned from user callback
530 * @param sd Widget Data
531 * @param event_info pointer to event.
532 * @param event_type what type was ev (mouse down, etc...)
533 * @param ev_flags event flags
535 * @ingroup Elm_Gesture_Layer
538 _event_consume(Elm_Gesture_Layer_Smart_Data *sd,
540 Evas_Callback_Type event_type,
541 Evas_Event_Flags ev_flags)
543 /* Mark EVAS_EVENT_FLAG_ON_HOLD on events that are used by gesture layer */
544 /* ev_flags != EVAS_EVENT_FLAG_NONE means target used event and g-layer */
545 /* should not refeed this event. */
547 return; /* This happens when restarting gestures */
549 if (!sd->repeat_events) ev_flags |= EVAS_EVENT_FLAG_ON_HOLD;
555 case EVAS_CALLBACK_MOUSE_DOWN:
556 ((Evas_Event_Mouse_Down *)event_info)->event_flags |= ev_flags;
559 case EVAS_CALLBACK_MOUSE_MOVE:
560 ((Evas_Event_Mouse_Move *)event_info)->event_flags |= ev_flags;
563 case EVAS_CALLBACK_MOUSE_UP:
564 ((Evas_Event_Mouse_Up *)event_info)->event_flags |= ev_flags;
567 case EVAS_CALLBACK_MOUSE_WHEEL:
568 ((Evas_Event_Mouse_Wheel *)event_info)->event_flags |= ev_flags;
571 case EVAS_CALLBACK_MULTI_DOWN:
572 ((Evas_Event_Multi_Down *)event_info)->event_flags |= ev_flags;
575 case EVAS_CALLBACK_MULTI_MOVE:
576 ((Evas_Event_Multi_Move *)event_info)->event_flags |= ev_flags;
579 case EVAS_CALLBACK_MULTI_UP:
580 ((Evas_Event_Multi_Up *)event_info)->event_flags |= ev_flags;
583 case EVAS_CALLBACK_KEY_DOWN:
584 ((Evas_Event_Key_Down *)event_info)->event_flags |= ev_flags;
587 case EVAS_CALLBACK_KEY_UP:
588 ((Evas_Event_Key_Up *)event_info)->event_flags |= ev_flags;
600 * Report current state of a gesture by calling user callback.
601 * @param gesture what gesture state we report.
602 * @param info inforamtion for user callback
604 * @ingroup Elm_Gesture_Layer
606 static Evas_Event_Flags
607 _state_report(Gesture_Info *gesture,
610 Evas_Event_Flags flags = EVAS_EVENT_FLAG_NONE;
611 /* We report current state (START, MOVE, END, ABORT), once */
612 if ((gesture->state != ELM_GESTURE_STATE_UNDEFINED) &&
613 (gesture->cbs[gesture->state])) /* Fill state-info struct and
618 EINA_INLIST_FOREACH(gesture->cbs[gesture->state], cb_info)
619 flags |= cb_info->cb(cb_info->user_data, info);
622 return EVAS_EVENT_FLAG_NONE;
628 * Update state for a given gesture.
629 * We may update gesture state to:
630 * - @c UNDEFINED - current input did not start gesure yet.
631 * - @c START - gesture started according to input.
632 * - @c MOVE - gusture in progress.
633 * - @c END - gesture completed according to input.
634 * - @c ABORT - input does not matches gesure.
635 * note that we may move from UNDEFINED to ABORT
636 * because we may detect that gesture will not START
637 * with a given input.
639 * @param g given gesture to change state.
640 * @param s gesure new state.
641 * @param info buffer to be sent to user callback on report_state.
642 * @param force makes report_state to report the new-state even
643 * if its same as current state. Works for MOVE - gesture in progress.
645 * @ingroup Elm_Gesture_Layer
647 static Evas_Event_Flags
648 _state_set(Gesture_Info *g,
653 Elm_Gesture_State old_state;
655 if ((g->state == s) && (!force))
656 return EVAS_EVENT_FLAG_NONE;
658 old_state = g->state;
661 g->info = info; /* Information for user callback */
662 if ((g->state == ELM_GESTURE_STATE_ABORT) ||
663 (g->state == ELM_GESTURE_STATE_END))
664 g->test = EINA_FALSE;
666 if ((g->state != ELM_GESTURE_STATE_UNDEFINED) &&
667 (!((old_state == ELM_GESTURE_STATE_UNDEFINED) &&
668 (s == ELM_GESTURE_STATE_ABORT))))
669 return _state_report(g, g->info);
671 return EVAS_EVENT_FLAG_NONE;
677 * This resets all gesture states and sets test-bit.
678 * this is used for restarting gestures to listen to input.
679 * happens after we complete a gesture or no gesture was detected.
680 * @param sd Widget data of the gesture-layer object.
682 * @ingroup Elm_Gesture_Layer
685 _states_reset(Elm_Gesture_Layer_Smart_Data *sd)
690 for (i = ELM_GESTURE_FIRST; i < ELM_GESTURE_LAST; i++)
695 _state_set(p, ELM_GESTURE_STATE_UNDEFINED, NULL, EINA_FALSE);
704 * This function is used to save input events in an abstract struct
705 * to be used later by getsure-testing functions.
707 * @param data The gesture-layer object.
708 * @param event_info Pointer to recent input event.
709 * @param event_type Recent input event type.
710 * @param pe The abstract data-struct (output).
712 * @ingroup Elm_Gesture_Layer
715 _pointer_event_make(void *data __UNUSED__,
717 Evas_Callback_Type event_type,
720 memset(pe, '\0', sizeof(*pe));
723 case EVAS_CALLBACK_MOUSE_DOWN:
724 pe->x = ((Evas_Event_Mouse_Down *)event_info)->canvas.x;
725 pe->y = ((Evas_Event_Mouse_Down *)event_info)->canvas.y;
726 pe->timestamp = ((Evas_Event_Mouse_Down *)event_info)->timestamp;
727 pe->device = ELM_MOUSE_DEVICE;
730 case EVAS_CALLBACK_MOUSE_UP:
731 pe->x = ((Evas_Event_Mouse_Up *)event_info)->canvas.x;
732 pe->y = ((Evas_Event_Mouse_Up *)event_info)->canvas.y;
733 pe->timestamp = ((Evas_Event_Mouse_Up *)event_info)->timestamp;
734 pe->device = ELM_MOUSE_DEVICE;
737 case EVAS_CALLBACK_MOUSE_MOVE:
738 pe->x = ((Evas_Event_Mouse_Move *)event_info)->cur.canvas.x;
739 pe->y = ((Evas_Event_Mouse_Move *)event_info)->cur.canvas.y;
740 pe->timestamp = ((Evas_Event_Mouse_Move *)event_info)->timestamp;
741 pe->device = ELM_MOUSE_DEVICE;
744 case EVAS_CALLBACK_MULTI_DOWN:
745 pe->x = ((Evas_Event_Multi_Down *)event_info)->canvas.x;
746 pe->y = ((Evas_Event_Multi_Down *)event_info)->canvas.y;
747 pe->timestamp = ((Evas_Event_Multi_Down *)event_info)->timestamp;
748 pe->device = ((Evas_Event_Multi_Down *)event_info)->device;
751 case EVAS_CALLBACK_MULTI_UP:
752 pe->x = ((Evas_Event_Multi_Up *)event_info)->canvas.x;
753 pe->y = ((Evas_Event_Multi_Up *)event_info)->canvas.y;
754 pe->timestamp = ((Evas_Event_Multi_Up *)event_info)->timestamp;
755 pe->device = ((Evas_Event_Multi_Up *)event_info)->device;
758 case EVAS_CALLBACK_MULTI_MOVE:
759 pe->x = ((Evas_Event_Multi_Move *)event_info)->cur.canvas.x;
760 pe->y = ((Evas_Event_Multi_Move *)event_info)->cur.canvas.y;
761 pe->timestamp = ((Evas_Event_Multi_Move *)event_info)->timestamp;
762 pe->device = ((Evas_Event_Multi_Move *)event_info)->device;
769 pe->event_type = event_type;
776 * This function copies input events.
777 * We copy event info before adding it to history.
778 * The memory is freed when we clear history.
780 * @param event the event to copy
781 * @param event_type event type to copy
783 * @ingroup Elm_Gesture_Layer
786 _event_info_copy(void *event,
787 Evas_Callback_Type event_type)
791 case EVAS_CALLBACK_MOUSE_DOWN:
792 return COPY_EVENT_INFO((Evas_Event_Mouse_Down *)event);
795 case EVAS_CALLBACK_MOUSE_MOVE:
796 return COPY_EVENT_INFO((Evas_Event_Mouse_Move *)event);
799 case EVAS_CALLBACK_MOUSE_UP:
800 return COPY_EVENT_INFO((Evas_Event_Mouse_Up *)event);
803 case EVAS_CALLBACK_MOUSE_WHEEL:
804 return COPY_EVENT_INFO((Evas_Event_Mouse_Wheel *)event);
807 case EVAS_CALLBACK_MULTI_DOWN:
808 return COPY_EVENT_INFO((Evas_Event_Multi_Down *)event);
811 case EVAS_CALLBACK_MULTI_MOVE:
812 return COPY_EVENT_INFO((Evas_Event_Multi_Move *)event);
815 case EVAS_CALLBACK_MULTI_UP:
816 return COPY_EVENT_INFO((Evas_Event_Multi_Up *)event);
819 case EVAS_CALLBACK_KEY_DOWN:
820 return COPY_EVENT_INFO((Evas_Event_Key_Down *)event);
823 case EVAS_CALLBACK_KEY_UP:
824 return COPY_EVENT_INFO((Evas_Event_Key_Up *)event);
833 _event_history_add(Evas_Object *obj,
835 Evas_Callback_Type event_type)
839 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
841 ev = malloc(sizeof(Event_History));
842 ev->event = _event_info_copy(event, event_type); /* Freed on
843 * _event_history_clear */
844 ev->event_type = event_type;
845 sd->event_history_list = (Event_History *)eina_inlist_append(
846 EINA_INLIST_GET(sd->event_history_list), EINA_INLIST_GET(ev));
852 * For all _mouse_* / multi_* functions wethen send this event to
853 * _event_process function.
855 * @param data The gesture-layer object.
856 * @param event_info Pointer to recent input event.
858 * @ingroup Elm_Gesture_Layer
861 _mouse_down_cb(void *data,
863 Evas_Object *obj __UNUSED__,
866 if (((Evas_Event_Mouse_Down *)event_info)->button != 1)
867 return; /* We only process left-click at the moment */
869 _event_process(data, obj, event_info, EVAS_CALLBACK_MOUSE_DOWN);
873 _mouse_move_cb(void *data,
875 Evas_Object *obj __UNUSED__,
878 _event_process(data, obj, event_info, EVAS_CALLBACK_MOUSE_MOVE);
882 _key_down_cb(void *data,
884 Evas_Object *obj __UNUSED__,
887 _event_process(data, obj, event_info, EVAS_CALLBACK_KEY_DOWN);
891 _key_up_cb(void *data,
893 Evas_Object *obj __UNUSED__,
896 _event_process(data, obj, event_info, EVAS_CALLBACK_KEY_UP);
900 _mouse_up_cb(void *data,
902 Evas_Object *obj __UNUSED__,
905 if (((Evas_Event_Mouse_Up *)event_info)->button != 1)
906 return; /* We only process left-click at the moment */
908 _event_process(data, obj, event_info, EVAS_CALLBACK_MOUSE_UP);
912 _mouse_wheel_cb(void *data,
914 Evas_Object *obj __UNUSED__,
917 _event_process(data, obj, event_info, EVAS_CALLBACK_MOUSE_WHEEL);
921 _multi_down_cb(void *data,
923 Evas_Object *obj __UNUSED__,
926 /* Skip the mouse duplicates. */
927 if (((Evas_Event_Multi_Down *) event_info)->device == 0) return;
929 _event_process(data, obj, event_info, EVAS_CALLBACK_MULTI_DOWN);
933 _multi_move_cb(void *data,
935 Evas_Object *obj __UNUSED__,
938 /* Skip the mouse duplicates. */
939 if (((Evas_Event_Multi_Move *) event_info)->device == 0) return;
941 _event_process(data, obj, event_info, EVAS_CALLBACK_MULTI_MOVE);
945 _multi_up_cb(void *data,
947 Evas_Object *obj __UNUSED__,
950 /* Skip the mouse duplicates. */
951 if (((Evas_Event_Multi_Up *) event_info)->device == 0) return;
953 _event_process(data, obj, event_info, EVAS_CALLBACK_MULTI_UP);
957 _target_del_cb(void *data,
959 Evas_Object *obj __UNUSED__,
960 void *event_info __UNUSED__)
962 _callbacks_unregister(data);
968 * We register callbacks when gesture layer is attached to an object
969 * or when its enabled after disable.
971 * @param obj The gesture-layer object.
973 * @ingroup Elm_Gesture_Layer
976 _callbacks_register(Evas_Object *obj)
978 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
980 if (!sd->target) return;
982 evas_object_event_callback_add
983 (sd->target, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb, obj);
984 evas_object_event_callback_add
985 (sd->target, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move_cb, obj);
986 evas_object_event_callback_add
987 (sd->target, EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb, obj);
989 evas_object_event_callback_add
990 (sd->target, EVAS_CALLBACK_MOUSE_WHEEL, _mouse_wheel_cb, obj);
992 evas_object_event_callback_add
993 (sd->target, EVAS_CALLBACK_MULTI_DOWN, _multi_down_cb, obj);
994 evas_object_event_callback_add
995 (sd->target, EVAS_CALLBACK_MULTI_MOVE, _multi_move_cb, obj);
996 evas_object_event_callback_add
997 (sd->target, EVAS_CALLBACK_MULTI_UP, _multi_up_cb, obj);
999 evas_object_event_callback_add
1000 (sd->target, EVAS_CALLBACK_KEY_DOWN, _key_down_cb, obj);
1001 evas_object_event_callback_add
1002 (sd->target, EVAS_CALLBACK_KEY_UP, _key_up_cb, obj);
1004 evas_object_event_callback_add
1005 (sd->target, EVAS_CALLBACK_DEL, _target_del_cb, obj);
1011 * We unregister callbacks when gesture layer is disabled.
1013 * @param obj The gesture-layer object.
1015 * @ingroup Elm_Gesture_Layer
1018 _callbacks_unregister(Evas_Object *obj)
1020 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
1022 if (!sd->target) return;
1024 evas_object_event_callback_del_full
1025 (sd->target, EVAS_CALLBACK_MOUSE_DOWN, _mouse_down_cb, obj);
1026 evas_object_event_callback_del_full
1027 (sd->target, EVAS_CALLBACK_MOUSE_MOVE, _mouse_move_cb, obj);
1028 evas_object_event_callback_del_full
1029 (sd->target, EVAS_CALLBACK_MOUSE_UP, _mouse_up_cb, obj);
1031 evas_object_event_callback_del_full
1032 (sd->target, EVAS_CALLBACK_MOUSE_WHEEL, _mouse_wheel_cb, obj);
1034 evas_object_event_callback_del_full
1035 (sd->target, EVAS_CALLBACK_MULTI_DOWN, _multi_down_cb, obj);
1037 evas_object_event_callback_del_full
1038 (sd->target, EVAS_CALLBACK_MULTI_MOVE, _multi_move_cb, obj);
1040 evas_object_event_callback_del_full
1041 (sd->target, EVAS_CALLBACK_MULTI_UP, _multi_up_cb, obj);
1043 evas_object_event_callback_del_full
1044 (sd->target, EVAS_CALLBACK_KEY_DOWN, _key_down_cb, obj);
1045 evas_object_event_callback_del_full
1046 (sd->target, EVAS_CALLBACK_KEY_UP, _key_up_cb, obj);
1048 evas_object_event_callback_del_full
1049 (sd->target, EVAS_CALLBACK_DEL, _target_del_cb, obj);
1054 * This function is used to find if device number
1055 * is found in a list of devices.
1056 * The list contains devices for refeeding *UP event
1058 * @ingroup Elm_Gesture_Layer
1061 _device_in_pending_cmp(const void *data1,
1064 /* Compare the two device numbers */
1065 return ((intptr_t)data1) - ((intptr_t)data2);
1071 * This functions returns pending-device node
1072 * @ingroup Elm_Gesture_Layer
1075 _device_is_pending(Eina_List *list,
1077 Evas_Callback_Type event_type)
1079 int device = ELM_MOUSE_DEVICE;
1083 case EVAS_CALLBACK_MOUSE_UP:
1086 case EVAS_CALLBACK_MULTI_UP:
1087 device = ((Evas_Event_Multi_Up *)event)->device;
1094 return eina_list_search_unsorted_list
1095 (list, _device_in_pending_cmp, (void *)(intptr_t)device);
1101 * This functions adds device to refeed-pending device list
1102 * @ingroup Elm_Gesture_Layer
1105 _pending_device_add(Eina_List *list,
1107 Evas_Callback_Type event_type)
1109 int device = ELM_MOUSE_DEVICE;
1113 case EVAS_CALLBACK_MOUSE_DOWN:
1116 case EVAS_CALLBACK_MULTI_DOWN:
1117 device = ((Evas_Event_Multi_Down *)event)->device;
1124 if (!eina_list_search_unsorted_list
1125 (list, _device_in_pending_cmp, (void *)(intptr_t)device))
1127 return eina_list_append(list, (void *)(intptr_t)device);
1136 * This function reports ABORT to all none-detected gestures
1137 * Then resets test bits for all desired gesures
1138 * and clears input-events history.
1139 * note: if no gesture was detected, events from history list
1140 * are streamed to the widget because it's unused by layer.
1141 * user may cancel refeed of events by setting repeat events.
1143 * @param obj The gesture-layer object.
1145 * @ingroup Elm_Gesture_Layer
1148 _event_history_clear(Evas_Object *obj)
1152 Evas *e = evas_object_evas_get(obj);
1153 Eina_Bool gesture_found = EINA_FALSE;
1155 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
1157 for (i = ELM_GESTURE_FIRST; i < ELM_GESTURE_LAST; i++)
1162 if (p->state == ELM_GESTURE_STATE_END)
1164 gesture_found = EINA_TRUE;
1167 { /* Report ABORT to all gestures that still not finished */
1168 _state_set(p, ELM_GESTURE_STATE_ABORT, sd->gesture[i]->info,
1174 _states_reset(sd); /* we are ready to start testing for gestures again */
1176 /* Clear all gestures intermediate data */
1178 /* FIXME: +1 because of the mistake in the enum. */
1179 Gesture_Info **gitr = sd->gesture + 1;
1180 Tests_Array_Funcs *fitr = _glayer_tests_array + 1;
1181 for (; fitr->reset; fitr++, gitr++)
1183 if (IS_TESTED_GESTURE(*gitr))
1188 /* Disable gesture layer so refeeded events won't be consumed by it */
1189 _callbacks_unregister(obj);
1190 while (sd->event_history_list)
1193 t = sd->event_history_list;
1194 Eina_List *pending = _device_is_pending
1195 (sd->pending, sd->event_history_list->event,
1196 sd->event_history_list->event_type);
1198 /* Refeed events if no gesture matched input */
1199 if (pending || ((!gesture_found) && (!sd->repeat_events)))
1201 evas_event_refeed_event(e, sd->event_history_list->event,
1202 sd->event_history_list->event_type);
1206 sd->pending = eina_list_remove_list(sd->pending, pending);
1210 sd->pending = _pending_device_add
1211 (sd->pending, sd->event_history_list->event,
1212 sd->event_history_list->event_type);
1216 free(sd->event_history_list->event);
1217 sd->event_history_list = (Event_History *)eina_inlist_remove(
1218 EINA_INLIST_GET(sd->event_history_list),
1219 EINA_INLIST_GET(sd->event_history_list));
1222 _callbacks_register(obj);
1229 * if gesture was NOT detected AND we only have gestures in ABORT state
1230 * we clear history immediately to be ready for input.
1232 * @param obj The gesture-layer object.
1233 * @return TRUE on event history_clear
1235 * @ingroup Elm_Gesture_Layer
1238 _clear_if_finished(Evas_Object *obj)
1241 Eina_Bool reset_s = EINA_TRUE, all_undefined = EINA_TRUE;
1243 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
1245 /* Clear history if all we have aborted gestures */
1246 for (i = ELM_GESTURE_FIRST; i < ELM_GESTURE_LAST; i++)
1247 { /* If no gesture started and all we have aborted gestures, reset all */
1248 Gesture_Info *p = sd->gesture[i];
1250 if ((p) && (p->state != ELM_GESTURE_STATE_UNDEFINED))
1252 if ((p->state == ELM_GESTURE_STATE_START) ||
1253 (p->state == ELM_GESTURE_STATE_MOVE))
1254 reset_s = EINA_FALSE;
1256 all_undefined = EINA_FALSE;
1260 if (reset_s && (!all_undefined))
1261 return _event_history_clear(obj);
1269 * This function restartes line, flick, zoom and rotate gestures
1270 * when gesture-layer continues-gestures enabled.
1271 * Example of continues-gesture:
1272 * When doing a line, user stops moving finger but keeps fingers on touch.
1273 * This will cause line-end, then as user continues moving his finger
1274 * it re-starts line gesture.
1275 * When continue mode is disabled, user has to lift finger from touch
1276 * to end a gesture. Them touch-again to start a new one.
1278 * @param data The gesture-layer object.
1279 * @param sd gesture layer widget data.
1280 * @param states_reset flag that marks gestures were reset in history clear.
1282 * @ingroup Elm_Gesture_Layer
1285 _continues_gestures_restart(void *data,
1286 Eina_Bool states_reset)
1288 ELM_GESTURE_LAYER_DATA_GET(data, sd);
1290 /* Test all the gestures */
1292 /* FIXME: +1 because of the mistake in the enum. */
1293 Gesture_Info **gitr = sd->gesture + 1;
1294 Tests_Array_Funcs *fitr = _glayer_tests_array + 1;
1295 for (; fitr->test; fitr++, gitr++)
1297 Gesture_Info *g = *gitr;
1298 Eina_Bool tmp = (g) ?
1299 ((states_reset) || ((g->state != ELM_GESTURE_STATE_START)
1300 && (g->state != ELM_GESTURE_STATE_MOVE)))
1302 if (tmp && fitr->cont_reset)
1304 fitr->cont_reset(g);
1305 _state_set(g, ELM_GESTURE_STATE_UNDEFINED, NULL, EINA_FALSE);
1315 * This function the core-function where input handling is done.
1316 * Here we get user input and stream it to gesture testing.
1317 * We notify user about any gestures with new state:
1319 * START - gesture started.
1320 * MOVE - gesture is ongoing.
1321 * END - gesture was completed.
1322 * ABORT - gesture was aborted after START, MOVE (will NOT be completed)
1324 * We also check if a gesture was detected, then reset event history
1325 * If no gestures were found we reset gesture test flag
1326 * after streaming event-history to widget.
1327 * (stream to the widget all events not consumed as a gesture)
1329 * @param data The gesture-layer object.
1330 * @param event_info Pointer to recent input event.
1331 * @param event_type Recent input event type.
1333 * @ingroup Elm_Gesture_Layer
1336 _event_process(void *data,
1337 Evas_Object *obj __UNUSED__,
1339 Evas_Callback_Type event_type)
1342 Pointer_Event *pe = NULL;
1344 ELM_GESTURE_LAYER_DATA_GET(data, sd);
1346 /* Start testing candidate gesture from here */
1347 if (!_pointer_event_make(data, event_info, event_type, &_pe))
1352 /* Test all the gestures */
1354 /* FIXME: +1 because of the mistake in the enum. */
1355 Gesture_Info **gitr = sd->gesture + 1;
1356 Tests_Array_Funcs *fitr = _glayer_tests_array + 1;
1357 for (; fitr->test; fitr++, gitr++)
1359 if (IS_TESTED_GESTURE(*gitr))
1360 fitr->test(data, pe, event_info, event_type, (*gitr)->g_type);
1364 if (_event_flag_get(event_info, event_type) & EVAS_EVENT_FLAG_ON_HOLD)
1365 _event_history_add(data, event_info, event_type);
1367 /* we maintain list of touched devices */
1368 /* We also use move to track current device x.y pos */
1369 if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
1370 (event_type == EVAS_CALLBACK_MULTI_DOWN) ||
1371 (event_type == EVAS_CALLBACK_MOUSE_MOVE) ||
1372 (event_type == EVAS_CALLBACK_MULTI_MOVE))
1374 sd->touched = _touched_device_add(sd->touched, pe);
1376 else if ((event_type == EVAS_CALLBACK_MOUSE_UP) ||
1377 (event_type == EVAS_CALLBACK_MULTI_UP))
1379 sd->touched = _touched_device_remove(sd->touched, pe);
1382 /* Report current states and clear history if needed */
1383 Eina_Bool states_reset = _clear_if_finished(data);
1384 if (sd->glayer_continues_enable)
1385 _continues_gestures_restart(data, states_reset);
1389 _inside(Evas_Coord xx1,
1395 w >>= 1; /* Use half the distance, from center to all directions */
1396 if (!w) /* use system default instead */
1397 w = elm_config_finger_size_get() >> 1; /* Finger size devided by 2 */
1399 if (xx1 < (xx2 - w))
1402 if (xx1 > (xx2 + w))
1405 if (yy1 < (yy2 - w))
1408 if (yy1 > (yy2 + w))
1414 /* All *test_reset() funcs are called to clear
1415 * gesture intermediate data.
1416 * This happens when we need to reset our tests.
1417 * for example when gesture is detected or all ABORTed. */
1419 _tap_gestures_test_reset(Gesture_Info *gesture)
1424 EINA_SAFETY_ON_NULL_RETURN(gesture);
1425 ELM_GESTURE_LAYER_DATA_GET(gesture->obj, sd);
1427 ELM_SAFE_FREE(sd->gest_taps_timeout, ecore_timer_del);
1432 EINA_LIST_FREE(((Taps_Type *)gesture->data)->l, data)
1433 EINA_LIST_FREE(data, pe)
1436 memset(gesture->data, 0, sizeof(Taps_Type));
1439 /* All *test_reset() funcs are called to clear
1440 * gesture intermediate data.
1441 * This happens when we need to reset our tests.
1442 * for example when gesture is detected or all ABORTed. */
1444 _n_long_tap_test_reset(Gesture_Info *gesture)
1449 EINA_SAFETY_ON_NULL_RETURN(gesture);
1450 if (!gesture->data) return;
1454 EINA_LIST_FREE(st->touched, p)
1458 ELM_SAFE_FREE(st->timeout, ecore_timer_del);
1459 memset(gesture->data, 0, sizeof(Long_Tap_Type));
1463 _momentum_test_reset(Gesture_Info *gesture)
1465 EINA_SAFETY_ON_NULL_RETURN(gesture);
1466 if (!gesture->data) return;
1468 memset(gesture->data, 0, sizeof(Momentum_Type));
1472 _line_data_reset(Line_Data *st)
1477 memset(st, 0, sizeof(Line_Data));
1478 st->line_angle = ELM_GESTURE_NEGATIVE_ANGLE;
1482 _line_test_reset(Gesture_Info *gesture)
1487 EINA_SAFETY_ON_NULL_RETURN(gesture);
1488 if (!gesture->data) return;
1492 EINA_LIST_FREE(st->list, t_line)
1498 _zoom_test_reset(Gesture_Info *gesture)
1501 Evas_Modifier_Mask mask;
1503 EINA_SAFETY_ON_NULL_RETURN(gesture);
1504 if (!gesture->data) return;
1505 ELM_GESTURE_LAYER_DATA_GET(gesture->obj, sd);
1508 mask = evas_key_modifier_mask_get(
1509 evas_object_evas_get(sd->target), "Control");
1510 evas_object_key_ungrab(sd->target, "Control_L", mask, 0);
1511 evas_object_key_ungrab(sd->target, "Control_R", mask, 0);
1513 memset(st, 0, sizeof(Zoom_Type));
1514 st->zoom_distance_tolerance = sd->zoom_distance_tolerance;
1515 st->info.zoom = 1.0;
1519 _rotate_test_reset(Gesture_Info *gesture)
1523 EINA_SAFETY_ON_NULL_RETURN(gesture);
1524 if (!gesture->data) return;
1526 ELM_GESTURE_LAYER_DATA_GET(gesture->obj, sd);
1529 memset(st, 0, sizeof(Rotate_Type));
1530 st->info.base_angle = ELM_GESTURE_NEGATIVE_ANGLE;
1531 st->rotate_angular_tolerance = sd->rotate_angular_tolerance;
1535 _match_fingers_compare(Eina_List *list,
1539 /* Compare coords of first item in list to cur coords */
1543 EINA_LIST_FOREACH(list, l, pe_list)
1545 Pointer_Event *pe2 = eina_list_data_get(pe_list);
1547 if (_inside(pe1->x, pe1->y, pe2->x, pe2->y, w))
1555 _pe_device_compare(const void *data1,
1558 /* Compare device of first item in list to our pe device */
1559 const Pointer_Event *pe1 = eina_list_data_get(data1);
1560 const Pointer_Event *pe2 = data2;
1562 if (pe1->device == pe2->device)
1564 else if (pe1->device < pe2->device)
1571 _pointer_event_record(Taps_Type *st,
1574 Elm_Gesture_Layer_Smart_Data *sd,
1576 Evas_Callback_Type event_type)
1578 /* Keep copy of pe and record it in list */
1579 Pointer_Event *p = malloc(sizeof(Pointer_Event));
1581 memcpy(p, pe, sizeof(Pointer_Event));
1582 _event_consume(sd, event_info, event_type, EVAS_EVENT_FLAG_NONE);
1588 /* This will also update middle-point to report to user later */
1589 st->info.x = st->sum_x / st->n_taps;
1590 st->info.y = st->sum_y / st->n_taps;
1591 st->info.timestamp = pe->timestamp;
1595 pe_list = eina_list_append(pe_list, p);
1596 st->l = eina_list_append(st->l, pe_list);
1599 pe_list = eina_list_append(pe_list, p);
1607 * This function computes minimum rect to bound taps at idx index
1609 * @param taps [in] List of lists containing taps info.
1610 * @param idx [in] index of events taken from lists.
1611 * @param r [out] rect object to save info
1612 * @return EINA_TRUE if managed to compute rect.
1614 * @ingroup Elm_Gesture_Layer
1617 _taps_rect_get(Eina_List *taps, int idx, Evas_Coord_Rectangle *r)
1618 { /* Build a rect bounding all taps at index idx */
1622 Eina_Bool was_init = EINA_FALSE;
1624 EINA_LIST_FOREACH(taps, l, pe_list)
1626 Pointer_Event *pe = eina_list_nth(pe_list, idx);
1627 if (!pe) continue; /* Not suppose to happen */
1631 if (pe->x < r->x) r->x = pe->x;
1632 if (pe->y < r->y) r->y = pe->y;
1633 if (pe->x > bx) bx = pe->x;
1634 if (pe->y > by) by = pe->y;
1640 was_init = EINA_TRUE;
1652 * This function checks if the tap gesture is done.
1654 * @param data gesture info pointer
1655 * @return EINA_TRUE if it is done.
1657 * @ingroup Elm_Gesture_Layer
1660 _tap_gesture_check_finish(Gesture_Info *gesture, Evas_Coord tap_finger_size)
1662 /* Here we check if taps-gesture was completed successfuly */
1663 /* Count how many taps were recieved on each device then */
1664 /* determine if it matches n_taps_needed defined on START */
1666 Taps_Type *st = gesture->data;
1669 Evas_Coord_Rectangle base;
1670 Evas_Coord_Rectangle tmp;
1671 if (!tap_finger_size) /* Use system default if not set by user */
1672 tap_finger_size = elm_config_finger_size_get();
1675 if (!st->l) return EINA_FALSE;
1676 EINA_LIST_FOREACH(st->l, l, pe_list)
1678 /* No match taps number on device, ABORT */
1679 if (eina_list_count(pe_list) != st->n_taps_needed)
1685 /* Now bound each tap touches in a rect, compare diff within tolerance */
1686 /* Get rect based on first DOWN events for all devices */
1687 if (!_taps_rect_get(st->l, 0, &base))
1688 return EINA_FALSE; /* Should not happen */
1690 for(i = 1; i < st->n_taps_needed; i++)
1691 { /* Compare all other rects to base, tolerance is finger size */
1692 if (_taps_rect_get(st->l, i, &tmp))
1694 if (abs(tmp.x - base.x) > tap_finger_size)
1697 if (abs(tmp.y - base.y) > tap_finger_size)
1700 if (abs((tmp.x + tmp.w) - (base.x + base.w)) > tap_finger_size)
1703 if (abs((tmp.y + tmp.h) - (base.y + base.h)) > tap_finger_size)
1714 * This function sets state a tap-gesture to END or ABORT
1716 * @param data gesture info pointer
1718 * @ingroup Elm_Gesture_Layer
1721 _tap_gesture_finish(void *data, Evas_Coord tap_finger_size)
1723 /* This function will test each tap gesture when timer expires */
1724 Elm_Gesture_State s = ELM_GESTURE_STATE_ABORT;
1725 Gesture_Info *gesture = data;
1726 Taps_Type *st = gesture->data;
1728 if (_tap_gesture_check_finish(gesture, tap_finger_size))
1730 s = ELM_GESTURE_STATE_END;
1733 st->info.n = eina_list_count(st->l);
1734 _state_set(gesture, s, gesture->info, EINA_FALSE);
1735 _tap_gestures_test_reset(gesture);
1741 * when this timer expires we finish tap gestures.
1743 * @param data The gesture-layer object.
1744 * @return cancles callback for this timer.
1746 * @ingroup Elm_Gesture_Layer
1749 _multi_tap_timeout(void *data)
1751 ELM_GESTURE_LAYER_DATA_GET(data, sd);
1753 if (IS_TESTED(ELM_GESTURE_N_TAPS))
1754 _tap_gesture_finish(sd->gesture[ELM_GESTURE_N_TAPS],
1755 sd->tap_finger_size);
1757 if (IS_TESTED(ELM_GESTURE_N_DOUBLE_TAPS))
1758 _tap_gesture_finish(sd->gesture[ELM_GESTURE_N_DOUBLE_TAPS],
1759 sd->tap_finger_size);
1761 if (IS_TESTED(ELM_GESTURE_N_TRIPLE_TAPS))
1762 _tap_gesture_finish(sd->gesture[ELM_GESTURE_N_TRIPLE_TAPS],
1763 sd->tap_finger_size);
1765 _clear_if_finished(data);
1766 sd->gest_taps_timeout = NULL;
1768 return ECORE_CALLBACK_CANCEL;
1774 * when this timer expires we START long tap gesture
1776 * @param data The gesture-layer object.
1777 * @return cancles callback for this timer.
1779 * @ingroup Elm_Gesture_Layer
1782 _long_tap_timeout(void *data)
1784 Gesture_Info *gesture = data;
1786 _state_set(gesture, ELM_GESTURE_STATE_MOVE,
1787 gesture->data, EINA_TRUE);
1789 return ECORE_CALLBACK_RENEW;
1795 * This function checks the state of a tap gesture.
1797 * @param sd Gesture Layer Widget Data.
1798 * @param pe The recent input event as stored in pe struct.
1799 * @param event_info Original input event pointer.
1800 * @param event_type Type of original input event.
1801 * @param gesture what gesture is tested
1802 * @param how many taps for this gesture (1, 2 or 3)
1804 * @ingroup Elm_Gesture_Layer
1807 _tap_gesture_test(Evas_Object *obj,
1810 Evas_Callback_Type event_type,
1811 Elm_Gesture_Type g_type)
1815 Gesture_Info *gesture;
1816 Eina_List *pe_list = NULL;
1817 Pointer_Event *pe_last = NULL;
1818 Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
1820 /* Here we fill Tap struct */
1821 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
1826 gesture = sd->gesture[g_type];
1827 if (!gesture) return;
1831 case ELM_GESTURE_N_TAPS:
1835 case ELM_GESTURE_N_DOUBLE_TAPS:
1839 case ELM_GESTURE_N_TRIPLE_TAPS:
1849 if (!st) /* Allocated once on first time */
1851 st = calloc(1, sizeof(Taps_Type));
1853 _tap_gestures_test_reset(gesture);
1856 switch (pe->event_type)
1858 case EVAS_CALLBACK_MULTI_DOWN:
1859 case EVAS_CALLBACK_MOUSE_DOWN:
1860 /* Each device taps (DOWN, UP event) registered in same list */
1861 /* Find list for this device or start a new list if not found */
1862 pe_list = eina_list_search_unsorted(st->l, _pe_device_compare, pe);
1864 { /* This device touched before, verify that this tap is on */
1865 /* top of a previous tap (including a tap of other device) */
1866 if (!_match_fingers_compare(st->l, pe, sd->tap_finger_size))
1867 { /* New DOWN event is not on top of any prev touch */
1868 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
1869 &st->info, EINA_FALSE);
1870 _event_consume(sd, event_info, event_type, ev_flag);
1876 /* All tests are good, register this tap in device list */
1877 pe_list = _pointer_event_record
1878 (st, pe_list, pe, sd, event_info, event_type);
1880 if (!sd->gest_taps_timeout)
1882 if (sd->double_tap_timeout > 0.0)
1884 sd->gest_taps_timeout =
1885 ecore_timer_add(sd->double_tap_timeout,
1886 _multi_tap_timeout, gesture->obj);
1889 else /* We re-allocate gest_taps_timeout between taps */
1890 ecore_timer_reset(sd->gest_taps_timeout);
1892 if ((pe->device == 0) && (eina_list_count(pe_list) == 1))
1893 { /* This is the first mouse down we got */
1894 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_START,
1895 &st->info, EINA_FALSE);
1896 _event_consume(sd, event_info, event_type, ev_flag);
1898 st->n_taps_needed = taps * 2; /* count DOWN and UP */
1902 else if (eina_list_count(pe_list) > st->n_taps_needed)
1903 { /* If we arleady got too many touches for this gesture. */
1904 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
1905 &st->info, EINA_FALSE);
1910 case EVAS_CALLBACK_MULTI_UP:
1911 case EVAS_CALLBACK_MOUSE_UP:
1912 pe_list = eina_list_search_unsorted(st->l, _pe_device_compare, pe);
1913 if (!pe_list) return;
1915 pe_list = _pointer_event_record
1916 (st, pe_list, pe, sd, event_info, event_type);
1918 if (((gesture->g_type == ELM_GESTURE_N_TAPS) &&
1919 !IS_TESTED(ELM_GESTURE_N_DOUBLE_TAPS) &&
1920 !IS_TESTED(ELM_GESTURE_N_TRIPLE_TAPS)) ||
1921 ((gesture->g_type == ELM_GESTURE_N_DOUBLE_TAPS) &&
1922 !IS_TESTED(ELM_GESTURE_N_TRIPLE_TAPS)))
1923 { /* Test for finish immidiatly, not waiting for timeout */
1924 if (_tap_gesture_check_finish(gesture, sd->tap_finger_size))
1926 _tap_gesture_finish(gesture, sd->tap_finger_size);
1933 case EVAS_CALLBACK_MULTI_MOVE:
1934 case EVAS_CALLBACK_MOUSE_MOVE:
1935 /* Verify that user didn't move out of tap area before next tap */
1936 /* BUT: we need to skip some MOVE events coming before DOWN */
1937 /* when user taps next tap. So fetch LAST recorded event for */
1938 /* device (DOWN or UP event), ignore all MOVEs if last was UP */
1939 pe_last = eina_list_data_get(eina_list_last(
1940 eina_list_search_unsorted(st->l, _pe_device_compare, pe)));
1943 { /* pe_last is the last event recorded for this device */
1944 if ((pe_last->event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
1945 (pe_last->event_type == EVAS_CALLBACK_MULTI_DOWN))
1946 { /* Test only MOVE events that come after DOWN event */
1947 if (!_inside(pe_last->x, pe_last->y, pe->x, pe->y,
1948 sd->tap_finger_size))
1950 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
1951 &st->info, EINA_FALSE);
1952 _event_consume(sd, event_info, event_type, ev_flag);
1966 * This function computes center-point for long-tap gesture
1968 * @param st Long Tap gesture info pointer
1969 * @param pe The recent input event as stored in pe struct.
1971 * @ingroup Elm_Gesture_Layer
1974 _compute_taps_center(Long_Tap_Type *st,
1981 Evas_Coord x = 0, y = 0;
1983 if (!eina_list_count(st->touched))
1986 EINA_LIST_FOREACH(st->touched, l, p)
1987 { /* Accumulate all then take avarage */
1988 if (p->device == pe->device) /* This will take care of values
1989 * coming from MOVE event */
2001 *x_out = x / eina_list_count(st->touched);
2002 *y_out = y / eina_list_count(st->touched);
2008 * This function checks N long-tap gesture.
2010 * @param obj The gesture-layer object.
2011 * @param pe The recent input event as stored in pe struct.
2012 * @param event_info Original input event pointer.
2013 * @param event_type Type of original input event.
2014 * @param g_type what Gesture we are testing.
2015 * @param taps How many click/taps we test for.
2017 * @ingroup Elm_Gesture_Layer
2020 _n_long_tap_test(Evas_Object *obj,
2023 Evas_Callback_Type event_type,
2024 Elm_Gesture_Type g_type)
2026 Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
2027 Gesture_Info *gesture;
2030 /* Here we fill Recent_Taps struct and fire-up click/tap timers */
2031 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
2033 if (!pe) /* this happens when unhandled event arrived */
2034 return; /* see _make_pointer_event function */
2036 gesture = sd->gesture[g_type];
2037 if (!gesture) return;
2040 if (!st) /* Allocated once on first time */
2042 st = calloc(1, sizeof(Long_Tap_Type));
2044 _n_long_tap_test_reset(gesture);
2047 switch (pe->event_type)
2049 case EVAS_CALLBACK_MULTI_DOWN:
2050 case EVAS_CALLBACK_MOUSE_DOWN:
2051 st->touched = _touched_device_add(st->touched, pe);
2052 st->info.n = eina_list_count(st->touched);
2054 _event_consume(sd, event_info, event_type, ev_flag);
2055 _compute_taps_center(st, &st->info.x, &st->info.y, pe);
2056 st->center_x = st->info.x; /* Update coords for */
2057 st->center_y = st->info.y; /* reporting START */
2059 /* This is the first mouse down we got */
2060 if (eina_list_count(st->touched) == 1)
2062 _state_set(gesture, ELM_GESTURE_STATE_START,
2063 gesture->data, EINA_FALSE);
2064 st->info.timestamp = pe->timestamp;
2066 /* To test long tap */
2067 /* When this timer expires, gesture STARTED */
2068 if ((!st->timeout) && (sd->long_tap_start_timeout > 0.0))
2069 st->timeout = ecore_timer_add(sd->long_tap_start_timeout,
2070 _long_tap_timeout, gesture);
2075 ecore_timer_reset(st->timeout);
2080 case EVAS_CALLBACK_MULTI_UP:
2081 case EVAS_CALLBACK_MOUSE_UP:
2082 st->touched = _touched_device_remove(st->touched, pe);
2083 _compute_taps_center(st, &st->center_x, &st->center_y, pe);
2086 if (gesture->state == ELM_GESTURE_STATE_MOVE)
2087 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_END,
2088 &st->info, EINA_FALSE);
2090 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
2091 &st->info, EINA_FALSE);
2093 ELM_SAFE_FREE(st->timeout, ecore_timer_del);
2094 _event_consume(sd, event_info, event_type, ev_flag);
2099 case EVAS_CALLBACK_MULTI_MOVE:
2100 case EVAS_CALLBACK_MOUSE_MOVE:
2102 ((gesture->state == ELM_GESTURE_STATE_START) ||
2103 /* Report MOVE only if STARTED */
2104 (gesture->state == ELM_GESTURE_STATE_MOVE)))
2109 _compute_taps_center(st, &x, &y, pe);
2110 /* ABORT if user moved fingers out of tap area */
2111 if (!_inside(x, y, st->center_x, st->center_y,
2112 sd->tap_finger_size))
2114 ELM_SAFE_FREE(st->timeout, ecore_timer_del);
2116 /* Report MOVE if gesture started */
2117 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
2118 &st->info, EINA_FALSE);
2121 _event_consume(sd, event_info, event_type, ev_flag);
2133 * This function computes momentum for MOMENTUM, LINE and FLICK gestures
2134 * This momentum value will be sent to widget when gesture is completed.
2136 * @param momentum pointer to buffer where we record momentum value.
2137 * @param x1 x coord where user started gesture.
2138 * @param y1 y coord where user started gesture.
2139 * @param x2 x coord where user completed gesture.
2140 * @param y2 y coord where user completed gesture.
2141 * @param t1x timestamp for X, when user started gesture.
2142 * @param t1y timestamp for Y, when user started gesture.
2143 * @param t2 timestamp when user completed gesture.
2145 * @ingroup Elm_Gesture_Layer
2148 _momentum_set(Elm_Gesture_Momentum_Info *momentum,
2157 Evas_Coord velx = 0, vely = 0, vel;
2158 Evas_Coord dx = xx2 - xx1;
2159 Evas_Coord dy = yy2 - yy1;
2164 velx = (dx * 1000) / dtx;
2167 vely = (dy * 1000) / dty;
2169 vel = sqrt((velx * velx) + (vely * vely));
2171 if ((_elm_config->thumbscroll_friction > 0.0) &&
2172 (vel > _elm_config->thumbscroll_momentum_threshold)) /* report
2175 momentum->mx = velx;
2176 momentum->my = vely;
2188 * This function is used for computing rotation angle (DEG).
2190 * @param x1 first finger x location.
2191 * @param y1 first finger y location.
2192 * @param x2 second finger x location.
2193 * @param y2 second finger y location.
2195 * @return angle of the line between (x1,y1), (x2,y2) in Deg.
2196 * Angles now are given in DEG, not RAD.
2197 * ZERO angle at 12-oclock, growing clockwise.
2199 * @ingroup Elm_Gesture_Layer
2202 _angle_get(Evas_Coord xx1,
2207 double a, xx, yy, rt = (-1);
2209 xx = fabs(xx2 - xx1);
2210 yy = fabs(yy2 - yy1);
2212 if (((int)xx) && ((int)yy))
2214 rt = a = RAD2DEG(atan(yy / xx));
2217 if (yy1 < yy2) rt = 360 - a;
2222 if (yy1 < yy2) rt = 180 + a;
2227 if (rt < 0) /* Do this only if rt is not set */
2229 if (((int)xx)) /* Horizontal line */
2231 if (xx2 < xx1) rt = 180;
2235 { /* Vertical line */
2236 if (yy2 < yy1) rt = 90;
2241 /* Now we want to change from:
2243 * original circle 180 0 We want: 270 90
2247 if (rt >= 360) rt -= 360;
2255 * This function is used for computing the magnitude and direction
2256 * of vector between two points.
2258 * @param x1 first finger x location.
2259 * @param y1 first finger y location.
2260 * @param x2 second finger x location.
2261 * @param y2 second finger y location.
2262 * @param l length computed (output)
2263 * @param a angle computed (output)
2265 * @ingroup Elm_Gesture_Layer
2268 _vector_get(Evas_Coord xx1,
2279 *l = (Evas_Coord)sqrt((xx * xx) + (yy * yy));
2280 *a = _angle_get(xx1, yy1, xx2, yy2);
2284 _direction_get(Evas_Coord xx1,
2287 if (xx2 < xx1) return -1;
2288 if (xx2 > xx1) return 1;
2296 * This function tests momentum gesture.
2297 * @param obj The gesture-layer object.
2298 * @param pe The recent input event as stored in pe struct.
2299 * @param event_info recent input event.
2300 * @param event_type recent event type.
2301 * @param g_type what Gesture we are testing.
2303 * @ingroup Elm_Gesture_Layer
2306 _momentum_test(Evas_Object *obj,
2309 Evas_Callback_Type event_type,
2310 Elm_Gesture_Type g_type)
2315 Gesture_Info *gesture;
2316 Pointer_Event pe_local;
2317 Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
2318 Elm_Gesture_State state_to_report = ELM_GESTURE_STATE_MOVE;
2319 unsigned int cnt = 1; /* We start counter counting current pe event */
2321 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
2323 gesture = sd->gesture[g_type];
2324 if (!gesture) return;
2326 /* When continues enable = TRUE a gesture may START on MOVE event */
2327 /* We don't allow this to happen with the if-statement below. */
2328 /* When continues enable = FALSE a gesture may START on DOWN only */
2329 /* Therefor it would NOT start on MOVE event. */
2330 /* NOTE that touched list is updated AFTER this function returns */
2331 /* so (count == 0) when we get here on first touch on surface. */
2332 if ((sd->glayer_continues_enable) && (!eina_list_count(sd->touched)))
2333 return; /* Got move on mouse-over move */
2336 if (!st) /* Allocated once on first time */
2338 st = calloc(1, sizeof(Momentum_Type));
2340 _momentum_test_reset(gesture);
2346 /* First make avarage of all touched devices to determine center point */
2347 pe_local = *pe; /* Copy pe event info to local */
2348 EINA_LIST_FOREACH(sd->touched, l, p)
2349 if (p->device != pe_local.device)
2356 /* Compute avarage to get center point */
2360 /* If user added finger - reset gesture */
2361 if ((st->info.n) && (st->info.n < cnt))
2362 state_to_report = ELM_GESTURE_STATE_ABORT;
2364 if (st->info.n < cnt)
2369 case EVAS_CALLBACK_MOUSE_DOWN:
2370 case EVAS_CALLBACK_MULTI_DOWN:
2371 case EVAS_CALLBACK_MOUSE_MOVE:
2372 case EVAS_CALLBACK_MULTI_MOVE:
2375 if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
2376 (event_type == EVAS_CALLBACK_MULTI_DOWN) ||
2377 (sd->glayer_continues_enable)) /* start also on MOVE */
2378 { /* We start on MOVE when cont-enabled only */
2379 st->line_st.x = st->line_end.x = pe_local.x;
2380 st->line_st.y = st->line_end.y = pe_local.y;
2381 st->t_st_x = st->t_st_y = st->t_end = pe_local.timestamp;
2382 st->xdir = st->ydir = 0;
2383 st->info.x2 = st->info.x1 = pe_local.x;
2384 st->info.y2 = st->info.y1 = pe_local.y;
2385 st->info.tx = st->info.ty = pe_local.timestamp;
2386 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_START,
2387 &st->info, EINA_FALSE);
2388 _event_consume(sd, event_info, event_type, ev_flag);
2396 Eina_Bool force = EINA_TRUE; /* for move state */
2398 /* ABORT if got DOWN or MOVE event after UP+timeout */
2399 if ((st->t_up + ELM_GESTURE_MULTI_TIMEOUT) < pe_local.timestamp)
2401 state_to_report = ELM_GESTURE_STATE_ABORT;
2405 /* We report state but don't compute momentum now */
2406 ev_flag = _state_set(gesture, state_to_report, &st->info,
2408 _event_consume(sd, event_info, event_type, ev_flag);
2409 return; /* Stop computing when user remove finger */
2412 /* Too long of a wait, reset all values */
2413 if ((pe_local.timestamp - ELM_GESTURE_MOMENTUM_TIMEOUT) > st->t_end)
2415 st->line_st.x = pe_local.x;
2416 st->line_st.y = pe_local.y;
2417 st->t_st_y = st->t_st_x = pe_local.timestamp;
2418 st->info.tx = st->t_st_x;
2419 st->info.ty = st->t_st_y;
2420 st->xdir = st->ydir = 0;
2426 xdir = _direction_get(st->line_end.x, pe_local.x);
2427 ydir = _direction_get(st->line_end.y, pe_local.y);
2428 if (xdir && (xdir != st->xdir))
2430 st->line_st.x = st->line_end.x;
2431 st->info.tx = st->t_st_x = st->t_end;
2435 if (ydir && (ydir != st->ydir))
2437 st->line_st.y = st->line_end.y;
2438 st->info.ty = st->t_st_y = st->t_end;
2443 st->info.x2 = st->line_end.x = pe_local.x;
2444 st->info.y2 = st->line_end.y = pe_local.y;
2445 st->t_end = pe_local.timestamp;
2446 _momentum_set(&st->info, st->line_st.x, st->line_st.y,
2447 pe_local.x, pe_local.y, st->t_st_x, st->t_st_y,
2448 pe_local.timestamp);
2450 ev_flag = _state_set(gesture, state_to_report, &st->info,
2452 _event_consume(sd, event_info, event_type, ev_flag);
2455 case EVAS_CALLBACK_MOUSE_UP:
2456 case EVAS_CALLBACK_MULTI_UP:
2457 st->t_up = pe_local.timestamp; /* Record recent up event time */
2458 if ((cnt > 1) || /* Ignore if more fingers touch surface */
2459 (!st->t_st_x)) /* IGNORE if info was cleared, long press,move */
2462 /* Too long of a wait, reset all values */
2463 if ((pe_local.timestamp - ELM_GESTURE_MOMENTUM_TIMEOUT) > st->t_end)
2465 st->line_st.x = pe_local.x;
2466 st->line_st.y = pe_local.y;
2467 st->t_st_y = st->t_st_x = pe_local.timestamp;
2468 st->xdir = st->ydir = 0;
2471 st->info.x2 = pe_local.x;
2472 st->info.y2 = pe_local.y;
2473 st->line_end.x = pe_local.x;
2474 st->line_end.y = pe_local.y;
2475 st->t_end = pe_local.timestamp;
2477 if ((fabs(st->info.mx) > ELM_GESTURE_MINIMUM_MOMENTUM) ||
2478 (fabs(st->info.my) > ELM_GESTURE_MINIMUM_MOMENTUM))
2479 state_to_report = ELM_GESTURE_STATE_END;
2481 state_to_report = ELM_GESTURE_STATE_ABORT;
2483 ev_flag = _state_set(gesture, state_to_report, &st->info,
2485 _event_consume(sd, event_info, event_type, ev_flag);
2494 _line_device_compare(const void *data1,
2497 /* Compare device component of line struct */
2498 const Line_Data *ln1 = data1;
2499 const int *device = data2;
2501 if (ln1->t_st) /* Compare only with lines that started */
2502 return ln1->device - (*device);
2510 * This function construct line struct from input.
2511 * @param info pointer to store line momentum.
2512 * @param st line info to store input data.
2513 * @param pe The recent input event as stored in pe struct.
2515 * @ingroup Elm_Gesture_Layer
2518 _single_line_process(Elm_Gesture_Line_Info *info,
2521 Evas_Callback_Type event_type)
2523 /* Record events and set momentum for line pointed by st */
2529 case EVAS_CALLBACK_MOUSE_DOWN:
2530 case EVAS_CALLBACK_MOUSE_MOVE:
2531 case EVAS_CALLBACK_MULTI_DOWN:
2532 case EVAS_CALLBACK_MULTI_MOVE:
2533 if (!st->t_st) /* This happens only when line starts */
2535 st->line_st.x = pe->x;
2536 st->line_st.y = pe->y;
2537 st->t_st = pe->timestamp;
2538 st->device = pe->device;
2539 info->momentum.x1 = pe->x;
2540 info->momentum.y1 = pe->y;
2541 info->momentum.tx = pe->timestamp;
2542 info->momentum.ty = pe->timestamp;
2549 case EVAS_CALLBACK_MOUSE_UP:
2550 case EVAS_CALLBACK_MULTI_UP:
2551 /* IGNORE if line info was cleared, like long press, move */
2555 st->line_end.x = pe->x;
2556 st->line_end.y = pe->y;
2557 st->t_end = pe->timestamp;
2566 _line_data_reset(st);
2570 info->momentum.x2 = pe->x;
2571 info->momentum.y2 = pe->y;
2572 _momentum_set(&info->momentum, st->line_st.x, st->line_st.y, pe->x, pe->y,
2573 st->t_st, st->t_st, pe->timestamp);
2581 * This function test for (n) line gesture.
2582 * @param obj The gesture-layer object.
2583 * @param pe The recent input event as stored in pe struct.
2584 * @param event_info Original input event pointer.
2585 * @param event_type Type of original input event.
2586 * @param g_type what Gesture we are testing.
2588 * @ingroup Elm_Gesture_Layer
2591 _n_line_test(Evas_Object *obj,
2594 Evas_Callback_Type event_type,
2595 Elm_Gesture_Type g_type)
2600 Gesture_Info *gesture;
2601 Line_Data *line = NULL;
2606 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
2608 gesture = sd->gesture[g_type];
2609 if (!gesture ) return;
2611 /* When continues enable = TRUE a gesture may START on MOVE event */
2612 /* We don't allow this to happen with the if-statement below. */
2613 /* When continues enable = FALSE a gesture may START on DOWN only */
2614 /* Therefor it would NOT start on MOVE event. */
2615 /* NOTE that touched list is updated AFTER this function returns */
2616 /* so (count == 0) when we get here on first touch on surface. */
2617 if ((sd->glayer_continues_enable) && (!eina_list_count(sd->touched)))
2618 return; /* Got move on mouse-over move */
2623 st = calloc(1, sizeof(Line_Type));
2628 cnt = eina_list_count(list);
2630 if (cnt) /* list is not empty, locate this device on list */
2632 line = (Line_Data *)eina_list_search_unsorted
2633 (st->list, _line_device_compare, &pe->device);
2636 if (!line) /* List is empty or device not found, new line-struct on
2639 if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
2640 (event_type == EVAS_CALLBACK_MULTI_DOWN) ||
2641 ((sd->glayer_continues_enable) && /* START on MOVE also */
2642 ((event_type == EVAS_CALLBACK_MOUSE_MOVE) ||
2643 /* Allocate new item on START only */
2644 (event_type == EVAS_CALLBACK_MULTI_MOVE))))
2646 line = calloc(1, sizeof(Line_Data));
2647 _line_data_reset(line);
2648 list = eina_list_append(list, line);
2653 if (!line) /* This may happen on MOVE that comes before DOWN */
2654 return; /* No line-struct to work with, can't continue testing */
2656 /* update st with input */
2657 if (_single_line_process(&st->info, line, pe, event_type))
2658 _event_consume(sd, event_info, event_type, EVAS_EVENT_FLAG_NONE);
2660 /* Get direction and magnitude of the line */
2662 _vector_get(line->line_st.x, line->line_st.y, pe->x, pe->y,
2663 &line->line_length, &angle);
2665 /* These are used later to compare lines length */
2666 Evas_Coord shortest_line_len = line->line_length;
2667 Evas_Coord longest_line_len = line->line_length;
2668 Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
2670 /* Now update line-state */
2671 if (line->t_st) /* Analyze line only if line started */
2673 if (line->line_angle >= 0.0) /* if line direction was set, we
2674 * test if broke tolerance */
2676 double a = fabs(angle - line->line_angle);
2677 /* Distance from line */
2678 double d = (tan(DEG2RAD(a))) * line->line_length;
2679 /* Broke tolerance: abort line and start a new one */
2680 if ((d > sd->line_distance_tolerance) ||
2681 (a > sd->line_angular_tolerance))
2683 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
2684 &st->info, EINA_FALSE);
2685 _event_consume(sd, event_info, event_type, ev_flag);
2689 /* We may finish line if momentum is zero */
2690 if (sd->glayer_continues_enable)
2692 /* This is for continues-gesture */
2693 /* Finish line on zero momentum for continues gesture */
2694 if ((!st->info.momentum.mx) && (!st->info.momentum.my))
2696 line->line_end.x = pe->x;
2697 line->line_end.y = pe->y;
2698 line->t_end = pe->timestamp;
2703 { /* Record the line angle as it broke minimum length for line */
2704 if (line->line_length >= sd->line_min_length)
2705 st->info.angle = line->line_angle = angle;
2710 if (line->line_angle < 0.0) /* it's not a line, too short
2711 * more close to a tap */
2713 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
2714 &st->info, EINA_FALSE);
2715 _event_consume(sd, event_info, event_type, ev_flag);
2721 /* Count how many lines already started / ended */
2724 unsigned int tm_start = pe->timestamp;
2725 unsigned int tm_end = pe->timestamp;
2728 double base_angle = ELM_GESTURE_NEGATIVE_ANGLE;
2729 Eina_Bool lines_parallel = EINA_TRUE;
2730 EINA_LIST_FOREACH(list, l, t_line)
2733 base_angle = t_line->line_angle;
2736 if (t_line->line_angle >= 0) /* Compare angle only with
2737 * lines with direction
2740 if (fabs(base_angle - t_line->line_angle) >
2741 sd->line_angular_tolerance)
2742 lines_parallel = EINA_FALSE;
2746 if (t_line->line_length) /* update only if this line is used */
2748 if (shortest_line_len > t_line->line_length)
2749 shortest_line_len = t_line->line_length;
2751 if (longest_line_len < t_line->line_length)
2752 longest_line_len = t_line->line_length;
2758 if (t_line->t_st < tm_start)
2759 tm_start = t_line->t_st;
2765 if (t_line->t_end < tm_end)
2766 tm_end = t_line->t_end;
2770 st->info.momentum.n = started;
2773 ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
2774 /* user lift one finger then starts again without line-end - ABORT */
2775 (event_type == EVAS_CALLBACK_MULTI_DOWN)))
2777 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT, &st->info,
2779 _event_consume(sd, event_info, event_type, ev_flag);
2783 if (!lines_parallel) /* Lines are NOT at same direction, abort this
2786 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT, &st->info,
2788 _event_consume(sd, event_info, event_type, ev_flag);
2792 /* We report ABORT if lines length are NOT matching when fingers are up */
2793 if ((longest_line_len - shortest_line_len) >
2794 (elm_config_finger_size_get() * 2))
2796 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT, &st->info,
2798 _event_consume(sd, event_info, event_type, ev_flag);
2802 /* We consider FLICK as a fast line.ABORT if take too long to finish */
2803 if ((g_type == ELM_GESTURE_N_FLICKS) && ((tm_end - tm_start) >
2804 sd->flick_time_limit_ms))
2806 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT, &st->info,
2808 _event_consume(sd, event_info, event_type, ev_flag);
2814 case EVAS_CALLBACK_MOUSE_UP:
2815 case EVAS_CALLBACK_MULTI_UP:
2816 if ((started) && (started == ended))
2818 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_END,
2819 &st->info, EINA_FALSE);
2820 _event_consume(sd, event_info, event_type, ev_flag);
2825 case EVAS_CALLBACK_MOUSE_DOWN:
2826 case EVAS_CALLBACK_MULTI_DOWN:
2827 case EVAS_CALLBACK_MOUSE_MOVE:
2828 case EVAS_CALLBACK_MULTI_MOVE:
2831 /* For continues gesture */
2832 if (sd->glayer_continues_enable && (started == ended))
2834 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_END,
2835 &st->info, EINA_FALSE);
2836 _event_consume(sd, event_info, event_type, ev_flag);
2839 { /* When continues, may START on MOVE event too */
2840 Elm_Gesture_State s = ELM_GESTURE_STATE_MOVE;
2842 /* This happens when: on n > 1 lines then one finger up */
2843 /* caused abort, then put finger down. */
2844 /* This will stop line from starting again. */
2845 /* Number of lines, MUST match touched-device in list */
2846 if ((!sd->glayer_continues_enable) &&
2847 (eina_list_count(st->list) <
2848 eina_list_count(sd->touched)))
2849 s = ELM_GESTURE_STATE_ABORT;
2851 if (gesture->state == ELM_GESTURE_STATE_UNDEFINED)
2852 s = ELM_GESTURE_STATE_START;
2854 ev_flag = _state_set(gesture, s, &st->info, EINA_TRUE);
2855 _event_consume(sd, event_info, event_type, ev_flag);
2861 return; /* Unhandeld event type */
2868 * This function is used to check if rotation gesture started.
2869 * @param st Contains current rotation values from user input.
2870 * @return TRUE/FALSE if we need to set rotation START.
2872 * @ingroup Elm_Gesture_Layer
2875 _on_rotation_broke_tolerance(Rotate_Type *st)
2877 if (st->info.base_angle < 0)
2878 return EINA_FALSE; /* Angle has to be computed first */
2880 if (st->rotate_angular_tolerance < 0)
2883 double low = st->info.base_angle - st->rotate_angular_tolerance;
2884 double high = st->info.base_angle + st->rotate_angular_tolerance;
2885 double t = st->info.angle;
2909 if ((t < low) || (t > high)) /* This marks that roation action has
2912 st->rotate_angular_tolerance = ELM_GESTURE_NEGATIVE_ANGLE;
2913 st->info.base_angle = st->info.angle; /* Avoid jump in angle value */
2923 * This function is used for computing the gap between fingers.
2924 * It returns the length and center point between fingers.
2926 * @param x1 first finger x location.
2927 * @param y1 first finger y location.
2928 * @param x2 second finger x location.
2929 * @param y2 second finger y location.
2930 * @param x Gets center point x cord (output)
2931 * @param y Gets center point y cord (output)
2933 * @return length of the line between (x1,y1), (x2,y2) in pixels.
2935 * @ingroup Elm_Gesture_Layer
2938 _finger_gap_length_get(Evas_Coord xx1,
2945 double a, b, xx, yy, gap;
2946 xx = fabs(xx2 - xx1);
2947 yy = fabs(yy2 - yy1);
2948 gap = sqrt((xx * xx) + (yy * yy));
2950 /* START - Compute zoom center point */
2951 /* The triangle defined as follows:
2959 * http://en.wikipedia.org/wiki/Trigonometric_functions
2960 *************************************/
2961 if (((int)xx) && ((int)yy))
2963 double A = atan((yy / xx));
2964 a = (Evas_Coord)((gap / 2) * sin(A));
2965 b = (Evas_Coord)((gap / 2) * cos(A));
2966 *x = (Evas_Coord)((xx2 > xx1) ? (xx1 + b) : (xx2 + b));
2967 *y = (Evas_Coord)((yy2 > yy1) ? (yy1 + a) : (yy2 + a));
2971 if ((int)xx) /* horiz line, take half width */
2973 *x = (Evas_Coord)((xx1 + xx2) / 2);
2974 *y = (Evas_Coord)(yy1);
2977 if ((int)yy) /* vert line, take half width */
2979 *x = (Evas_Coord)(xx1);
2980 *y = (Evas_Coord)((yy1 + yy2) / 2);
2983 /* END - Compute zoom center point */
2985 return (Evas_Coord)gap;
2991 * This function is used for computing zoom value.
2993 * @param st Pointer to zoom data based on user input.
2994 * @param tm_end Recent input event timestamp.
2995 * @param zoom_val Current computed zoom value.
2997 * @return zoom momentum
2999 * @ingroup Elm_Gesture_Layer
3002 _zoom_momentum_get(Zoom_Type *st,
3003 unsigned int tm_end,
3006 unsigned int tm_total;
3007 if (!st->m_st_tm) /* Init, and we don't start computing momentum yet */
3009 st->m_st_tm = st->m_prev_tm = tm_end;
3010 st->m_base = zoom_val;
3014 if ((tm_end - ELM_GESTURE_MOMENTUM_DELAY) < st->m_st_tm)
3015 return 0.0; /* we don't start to compute momentum yet */
3017 if (st->dir) /* if direction was already defined, check if changed */
3019 if (((st->dir < 0) && (zoom_val > st->info.zoom)) ||
3020 /* Direction changed, reset momentum */
3021 ((st->dir > 0) && (zoom_val < st->info.zoom)))
3024 st->dir = (-st->dir);
3029 st->dir = (zoom_val > st->info.zoom) ? 1 : -1; /* init */
3031 if ((tm_end - ELM_GESTURE_MOMENTUM_TIMEOUT) > st->m_prev_tm)
3033 st->m_st_tm = 0; /* Rest momentum when waiting too long */
3037 st->m_prev_tm = tm_end;
3038 tm_total = tm_end - st->m_st_tm;
3041 return ((zoom_val - st->m_base) * 1000) / tm_total;
3049 * This function is used for computing zoom value.
3051 * @param st Pointer to zoom data based on user input.
3052 * @param x1 first finger x location.
3053 * @param y1 first finger y location.
3054 * @param x2 second finger x location.
3055 * @param y2 second finger y location.
3056 * @param factor zoom-factor, used to determine how fast zoom works.
3058 * @return zoom value, when 1.0 means no zoom, 0.5 half size...
3060 * @ingroup Elm_Gesture_Layer
3063 _zoom_compute(Zoom_Type *st,
3068 double zoom_finger_factor)
3071 unsigned int tm_end = (st->zoom_mv.timestamp > st->zoom_mv1.timestamp) ?
3072 st->zoom_mv.timestamp : st->zoom_mv1.timestamp;
3074 Evas_Coord diam = _finger_gap_length_get(xx1, yy1, xx2, yy2,
3075 &st->info.x, &st->info.y);
3077 st->info.radius = diam / 2;
3081 st->zoom_base = diam;
3082 return st->info.zoom;
3085 if (st->zoom_distance_tolerance) /* zoom tolerance <> ZERO, means
3086 * zoom action NOT started yet */
3088 /* avoid jump with zoom value when break tolerance */
3089 if (diam < (st->zoom_base - st->zoom_distance_tolerance))
3091 st->zoom_base -= st->zoom_distance_tolerance;
3092 st->zoom_distance_tolerance = 0;
3095 /* avoid jump with zoom value when break tolerance */
3096 if (diam > (st->zoom_base + st->zoom_distance_tolerance))
3098 st->zoom_base += st->zoom_distance_tolerance;
3099 st->zoom_distance_tolerance = 0;
3105 /* We use factor only on the difference between gap-base */
3106 /* if gap=120, base=100, we get ((120-100)/100)=0.2*factor */
3107 rt = ((1.0) + ((((float)diam - (float)st->zoom_base) /
3108 (float)st->zoom_base) * zoom_finger_factor));
3110 /* Momentum: zoom per second: */
3111 st->info.momentum = _zoom_momentum_get(st, tm_end, rt);
3119 * This function handles zoom with mouse wheel.
3120 * thats a combination of wheel + CTRL key.
3121 * @param obj The gesture-layer object.
3122 * @param event_info Original input event pointer.
3123 * @param event_type Type of original input event.
3124 * @param g_type what Gesture we are testing.
3126 * @ingroup Elm_Gesture_Layer
3129 _zoom_with_wheel_test(Evas_Object *obj,
3131 Evas_Callback_Type event_type,
3132 Elm_Gesture_Type g_type)
3134 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
3136 if (!sd->gesture[g_type]) return;
3138 Gesture_Info *gesture_zoom = sd->gesture[g_type];
3139 Zoom_Type *st = gesture_zoom->data;
3140 Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
3141 if (!st) /* Allocated once on first time, used for zoom intermediate data */
3143 st = calloc(1, sizeof(Zoom_Type));
3144 gesture_zoom->data = st;
3145 _zoom_test_reset(gesture_zoom);
3150 case EVAS_CALLBACK_KEY_UP:
3152 Evas_Event_Key_Up *p = event_info;
3153 if ((!strcmp(p->keyname, "Control_L")) ||
3154 /* Test if we ended a zoom gesture when releasing CTRL */
3155 (!strcmp(p->keyname, "Control_R")))
3157 if ((st->zoom_wheel) &&
3158 ((gesture_zoom->state == ELM_GESTURE_STATE_START) ||
3159 /* User released CTRL after zooming */
3160 (gesture_zoom->state == ELM_GESTURE_STATE_MOVE)))
3162 st->info.momentum = _zoom_momentum_get
3163 (st, p->timestamp, st->info.zoom);
3165 ev_flag = _state_set
3166 (gesture_zoom, ELM_GESTURE_STATE_END, &st->info,
3168 _event_consume(sd, event_info, event_type, ev_flag);
3176 case EVAS_CALLBACK_MOUSE_WHEEL:
3179 Elm_Gesture_State s;
3180 if (!evas_key_modifier_is_set(
3181 ((Evas_Event_Mouse_Wheel *)event_info)->modifiers,
3182 "Control")) /* if using wheel witout CTRL after starting zoom */
3184 if ((st->zoom_wheel) &&
3185 ((gesture_zoom->state == ELM_GESTURE_STATE_START) ||
3186 (gesture_zoom->state == ELM_GESTURE_STATE_MOVE)))
3188 ev_flag = _state_set
3189 (gesture_zoom, ELM_GESTURE_STATE_END, &st->info,
3191 _event_consume(sd, event_info, event_type, ev_flag);
3196 return; /* Ignore mouse-wheel without control */
3199 /* Using mouse wheel with CTRL for zoom */
3200 /* (zoom_wheel == NULL) and (zoom_distance_tolerance == 0) we
3201 * continue a zoom gesture */
3202 if (st->zoom_wheel || (st->zoom_distance_tolerance == 0))
3205 s = ELM_GESTURE_STATE_MOVE;
3208 { /* On first wheel event, report START */
3209 Evas_Modifier_Mask mask = evas_key_modifier_mask_get(
3210 evas_object_evas_get(sd->target), "Control");
3212 s = ELM_GESTURE_STATE_START;
3213 if (!evas_object_key_grab
3214 (sd->target, "Control_L", mask, 0, EINA_FALSE))
3215 ERR("Failed to Grabbed CTRL_L");
3216 if (!evas_object_key_grab
3217 (sd->target, "Control_R", mask, 0, EINA_FALSE))
3218 ERR("Failed to Grabbed CTRL_R");
3221 st->zoom_distance_tolerance = 0; /* Cancel tolerance */
3222 st->zoom_wheel = (Evas_Event_Mouse_Wheel *)event_info;
3223 st->info.x = st->zoom_wheel->canvas.x;
3224 st->info.y = st->zoom_wheel->canvas.y;
3226 if (st->zoom_wheel->z < 0) /* zoom in */
3227 st->info.zoom += (sd->zoom_finger_factor * sd->zoom_wheel_factor);
3229 if (st->zoom_wheel->z > 0) /* zoom out */
3230 st->info.zoom -= (sd->zoom_finger_factor * sd->zoom_wheel_factor);
3232 if (st->info.zoom < 0.0)
3233 st->info.zoom = 0.0;
3235 st->info.momentum = _zoom_momentum_get
3236 (st, st->zoom_wheel->timestamp, st->info.zoom);
3238 ev_flag = _state_set(gesture_zoom, s, &st->info, force);
3239 _event_consume(sd, event_info, event_type, ev_flag);
3251 * This function is used to test zoom gesture.
3252 * user may combine zoom, rotation together.
3253 * so its possible that both will be detected from input.
3254 * (both are two-finger movement-oriented gestures)
3256 * @param obj The gesture-layer object.
3257 * @param event_info Pointer to recent input event.
3258 * @param event_type Recent input event type.
3259 * @param g_type what Gesture we are testing.
3261 * @ingroup Elm_Gesture_Layer
3264 _zoom_test(Evas_Object *obj,
3267 Evas_Callback_Type event_type,
3268 Elm_Gesture_Type g_type)
3270 /* Test for wheel zoom. */
3271 _zoom_with_wheel_test(obj, event_info, event_type, ELM_GESTURE_ZOOM);
3273 if (!_elm_config->glayer_zoom_finger_enable)
3278 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
3280 if (!sd->gesture[g_type]) return;
3282 Gesture_Info *gesture_zoom = sd->gesture[g_type];
3283 Zoom_Type *st = gesture_zoom->data;
3285 if (!st) /* Allocated once on first time, used for zoom data */
3287 st = calloc(1, sizeof(Zoom_Type));
3288 gesture_zoom->data = st;
3289 _zoom_test_reset(gesture_zoom);
3292 /* Start - new zoom testing, letting all fingers start */
3293 Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
3296 case EVAS_CALLBACK_MOUSE_MOVE:
3297 case EVAS_CALLBACK_MULTI_MOVE:
3298 /* if non-continues mode and gesture NOT started, ignore MOVE */
3299 if ((!sd->glayer_continues_enable) &&
3300 (!st->zoom_st.timestamp))
3303 case EVAS_CALLBACK_MOUSE_DOWN:
3304 case EVAS_CALLBACK_MULTI_DOWN:
3305 { /* Here we take care of zoom-start and zoom move */
3309 if (eina_list_count(sd->touched) > 2) /* Process zoom only
3313 ev_flag = _state_set
3314 (gesture_zoom, ELM_GESTURE_STATE_ABORT, &st->info,
3316 _event_consume(sd, event_info, event_type, ev_flag);
3321 if (!st->zoom_st.timestamp) /* Now scan touched-devices list
3322 * and find other finger */
3324 EINA_LIST_FOREACH(sd->touched, l, p)
3325 { /* Device of other finger <> pe device */
3326 if (p->device != pe->device)
3330 if (!p) /* Single finger on touch */
3333 /* Record down fingers */
3334 _event_consume(sd, event_info, event_type, ev_flag);
3335 memcpy(&st->zoom_st, pe, sizeof(Pointer_Event));
3336 memcpy(&st->zoom_st1, p, sizeof(Pointer_Event));
3338 /* Set mv field as well to be ready for MOVE events */
3339 memcpy(&st->zoom_mv, pe, sizeof(Pointer_Event));
3340 memcpy(&st->zoom_mv1, p, sizeof(Pointer_Event));
3342 /* Here we have zoom_st, zoom_st1 set, report START */
3343 /* Set zoom-base after BOTH down events recorded */
3344 /* Compute length of line between fingers zoom start */
3345 st->info.zoom = 1.0;
3346 st->zoom_base = _finger_gap_length_get
3347 (st->zoom_st1.x, st->zoom_st1.y, st->zoom_st.x, st->zoom_st.y,
3348 &st->info.x, &st->info.y);
3350 st->info.radius = st->zoom_base / 2;
3352 if ((gesture_zoom->state != ELM_GESTURE_STATE_START) &&
3353 /* zoom started with mouse-wheel, don't report twice */
3354 (gesture_zoom->state != ELM_GESTURE_STATE_MOVE))
3356 ev_flag = _state_set
3357 (gesture_zoom, ELM_GESTURE_STATE_START, &st->info,
3359 _event_consume(sd, event_info, event_type, ev_flag);
3362 return; /* Zoom started */
3363 } /* End of ZOOM_START handling */
3365 /* if we got here, we have (exacally) two fingers on surfce */
3366 /* we also after START, report MOVE */
3367 /* First detect which finger moved */
3368 if (pe->device == st->zoom_mv.device)
3369 memcpy(&st->zoom_mv, pe, sizeof(Pointer_Event));
3370 else if (pe->device == st->zoom_mv1.device)
3371 memcpy(&st->zoom_mv1, pe, sizeof(Pointer_Event));
3373 /* Compute change in zoom as fingers move */
3374 st->info.zoom = _zoom_compute(st,
3375 st->zoom_mv.x, st->zoom_mv.y,
3376 st->zoom_mv1.x, st->zoom_mv1.y,
3377 sd->zoom_finger_factor);
3379 if (!st->zoom_distance_tolerance) /* Zoom broke tolerance,
3382 double d = st->info.zoom - st->next_step;
3386 if (d >= sd->zoom_step) /* Report move in steps */
3388 st->next_step = st->info.zoom;
3390 ev_flag = _state_set(gesture_zoom,
3391 ELM_GESTURE_STATE_MOVE,
3392 &st->info, EINA_TRUE);
3393 _event_consume(sd, event_info, event_type, ev_flag);
3395 } /* End of ZOOM_MOVE handling */
3400 case EVAS_CALLBACK_MOUSE_UP:
3401 case EVAS_CALLBACK_MULTI_UP:
3402 /* Reset timestamp of finger-up.This is used later
3403 by _zoom_test_reset() to retain finger-down data */
3404 _event_consume(sd, event_info, event_type, ev_flag);
3405 if (((st->zoom_wheel) || (st->zoom_base)) &&
3406 (st->zoom_distance_tolerance == 0))
3408 ev_flag = _state_set(gesture_zoom, ELM_GESTURE_STATE_END,
3409 &st->info, EINA_FALSE);
3410 _event_consume(sd, event_info, event_type, ev_flag);
3415 /* if we got here not a ZOOM */
3416 /* Must be != undefined, if gesture started */
3417 if (gesture_zoom->state != ELM_GESTURE_STATE_UNDEFINED)
3419 ev_flag = _state_set
3420 (gesture_zoom, ELM_GESTURE_STATE_ABORT, &st->info,
3422 _event_consume(sd, event_info, event_type, ev_flag);
3425 _zoom_test_reset(gesture_zoom);
3435 _rotate_properties_get(Rotate_Type *st,
3442 /* FIXME: Fix momentum computation, it's wrong */
3443 double prev_angle = *angle;
3445 st->info.radius = _finger_gap_length_get(xx1, yy1, xx2, yy2,
3446 &st->info.x, &st->info.y) / 2;
3448 *angle = _angle_get(xx1, yy1, xx2, yy2);
3450 if (angle == &st->info.angle) /* Fingers are moving, compute momentum */
3452 unsigned int tm_start =
3453 (st->rotate_st.timestamp > st->rotate_st1.timestamp)
3454 ? st->rotate_st.timestamp : st->rotate_st1.timestamp;
3455 unsigned int tm_end =
3456 (st->rotate_mv.timestamp > st->rotate_mv1.timestamp)
3457 ? st->rotate_mv.timestamp : st->rotate_mv1.timestamp;
3459 unsigned int tm_total = tm_end - tm_start;
3460 if (tm_total) /* Momentum computed as:
3461 accumulated roation angle (deg) divided by time */
3464 if (((prev_angle < 90) && ((*angle) > 270)) ||
3465 /* We circle passing ZERO point */
3466 ((prev_angle > 270) && ((*angle) < 90)))
3468 prev_angle = (*angle);
3470 else m = prev_angle - (*angle);
3472 st->accum_momentum += m;
3474 if ((tm_end - st->prev_momentum_tm) < 100)
3475 st->prev_momentum += m;
3478 if (fabs(st->prev_momentum) < 0.002)
3479 st->accum_momentum = 0.0; /* reset momentum */
3481 st->prev_momentum = 0.0; /* Start again */
3484 st->prev_momentum_tm = tm_end;
3485 st->info.momentum = (st->accum_momentum * 1000) / tm_total;
3489 st->info.momentum = 0;
3495 * This function is used to test rotation gesture.
3496 * user may combine zoom, rotation together.
3497 * so its possible that both will be detected from input.
3498 * (both are two-finger movement-oriented gestures)
3500 * @param obj The gesture-layer object.
3501 * @param event_info Pointer to recent input event.
3502 * @param event_type Recent input event type.
3503 * @param g_type what Gesture we are testing.
3505 * @ingroup Elm_Gesture_Layer
3508 _rotate_test(Evas_Object *obj,
3511 Evas_Callback_Type event_type,
3512 Elm_Gesture_Type g_type)
3514 Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
3515 Gesture_Info *gesture;
3516 Rotate_Type *st = NULL;
3518 if (!_elm_config->glayer_rotate_finger_enable)
3524 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
3526 if (!sd->gesture[g_type]) return;
3528 gesture = sd->gesture[g_type];
3529 if (!gesture) return ;
3532 if (!st) /* Allocated once on first time */
3534 st = calloc(1, sizeof(Rotate_Type));
3536 _rotate_test_reset(gesture);
3541 case EVAS_CALLBACK_MOUSE_MOVE:
3542 case EVAS_CALLBACK_MULTI_MOVE:
3543 /* if non-continues mode and gesture NOT started, ignore MOVE */
3544 if ((!sd->glayer_continues_enable) &&
3545 (!st->rotate_st.timestamp))
3548 case EVAS_CALLBACK_MOUSE_DOWN:
3549 case EVAS_CALLBACK_MULTI_DOWN:
3550 { /* Here we take care of rotate-start and rotate move */
3554 if (eina_list_count(sd->touched) > 2) /* Process rotate only
3558 ev_flag = _state_set
3559 (gesture, ELM_GESTURE_STATE_ABORT, &st->info, EINA_FALSE);
3560 _event_consume(sd, event_info, event_type, ev_flag);
3565 if (!st->rotate_st.timestamp) /* Now scan touched-devices list
3566 * and find other finger */
3568 EINA_LIST_FOREACH(sd->touched, l, p)
3569 { /* Device of other finger <> pe device */
3570 if (p->device != pe->device)
3575 return; /* Single finger on touch */
3577 /* Record down fingers */
3578 _event_consume(sd, event_info, event_type, ev_flag);
3579 memcpy(&st->rotate_st, pe, sizeof(Pointer_Event));
3580 memcpy(&st->rotate_st1, p, sizeof(Pointer_Event));
3582 /* Set mv field as well to be ready for MOVE events */
3583 memcpy(&st->rotate_mv, pe, sizeof(Pointer_Event));
3584 memcpy(&st->rotate_mv1, p, sizeof(Pointer_Event));
3586 /* Here we have rotate_st, rotate_st1 set, report START */
3587 /* Set rotate-base after BOTH down events recorded */
3588 /* Compute length of line between fingers rotate start */
3589 _rotate_properties_get(st,
3590 st->rotate_st.x, st->rotate_st.y,
3591 st->rotate_st1.x, st->rotate_st1.y,
3592 &st->info.base_angle);
3594 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_START,
3595 &st->info, EINA_FALSE);
3596 _event_consume(sd, event_info, event_type, ev_flag);
3598 return; /* Rotate started */
3599 } /* End of ROTATE_START handling */
3601 /* if we got here, we have (exacally) two fingers on surfce */
3602 /* we also after START, report MOVE */
3603 /* First detect which finger moved */
3604 if (pe->device == st->rotate_mv.device)
3605 memcpy(&st->rotate_mv, pe, sizeof(Pointer_Event));
3606 else if (pe->device == st->rotate_mv1.device)
3607 memcpy(&st->rotate_mv1, pe, sizeof(Pointer_Event));
3609 /* Compute change in rotate as fingers move */
3610 _rotate_properties_get(st,
3611 st->rotate_mv.x, st->rotate_mv.y,
3612 st->rotate_mv1.x, st->rotate_mv1.y,
3615 if (_on_rotation_broke_tolerance(st)) /* Rotation broke
3619 double d = st->info.angle - st->next_step;
3623 if (d >= sd->rotate_step) /* Report move in steps */
3625 st->next_step = st->info.angle;
3627 ev_flag = _state_set
3628 (gesture, ELM_GESTURE_STATE_MOVE, &st->info, EINA_TRUE);
3629 _event_consume(sd, event_info, event_type, ev_flag);
3631 } /* End of ROTATE_MOVE handling */
3636 case EVAS_CALLBACK_MOUSE_UP:
3637 case EVAS_CALLBACK_MULTI_UP:
3638 _event_consume(sd, event_info, event_type, ev_flag);
3639 /* Reset timestamp of finger-up.This is used later
3640 by rotate_test_reset() to retain finger-down data */
3641 if (st->rotate_angular_tolerance < 0)
3643 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_END,
3644 &st->info, EINA_FALSE);
3645 _event_consume(sd, event_info, event_type, ev_flag);
3650 /* Must be != undefined, if gesture started */
3651 if (gesture->state != ELM_GESTURE_STATE_UNDEFINED)
3653 ev_flag = _state_set(gesture, ELM_GESTURE_STATE_ABORT,
3654 &st->info, EINA_FALSE);
3655 _event_consume(sd, event_info, event_type, ev_flag);
3658 _rotate_test_reset(gesture);
3667 _elm_gesture_layer_smart_disable(Eo *obj, void *_pd EINA_UNUSED, va_list *list)
3669 Eina_Bool *ret = va_arg(*list, Eina_Bool *);
3670 if (elm_widget_disabled_get(obj))
3671 _callbacks_unregister(obj);
3673 _callbacks_register(obj);
3675 if (ret) *ret = EINA_TRUE;
3679 _elm_gesture_layer_smart_add(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
3681 eo_do_super(obj, MY_CLASS, evas_obj_smart_add());
3683 Elm_Gesture_Layer_Smart_Data *priv = _pd;
3685 priv->line_min_length =
3686 _elm_config->glayer_line_min_length * elm_config_finger_size_get();
3687 priv->zoom_distance_tolerance = _elm_config->glayer_zoom_distance_tolerance
3688 * elm_config_finger_size_get();
3689 priv->line_distance_tolerance = _elm_config->glayer_line_distance_tolerance
3690 * elm_config_finger_size_get();
3691 priv->zoom_finger_factor = _elm_config->glayer_zoom_finger_factor;
3692 /* mouse wheel zoom steps */
3693 priv->zoom_wheel_factor = _elm_config->glayer_zoom_wheel_factor;
3694 priv->rotate_angular_tolerance =
3695 _elm_config->glayer_rotate_angular_tolerance;
3696 priv->line_angular_tolerance = _elm_config->glayer_line_angular_tolerance;
3697 priv->flick_time_limit_ms = _elm_config->glayer_flick_time_limit_ms;
3698 priv->long_tap_start_timeout = _elm_config->glayer_long_tap_start_timeout;
3699 priv->repeat_events = EINA_TRUE;
3700 priv->glayer_continues_enable = _elm_config->glayer_continues_enable;
3702 /* FIXME: Hack to get around old configs - if too small, enlarge. */
3703 if (_elm_config->glayer_double_tap_timeout < 0.00001)
3704 _elm_config->glayer_double_tap_timeout = 0.25;
3705 priv->double_tap_timeout = _elm_config->glayer_double_tap_timeout;
3707 memset(priv->gesture, 0, sizeof(priv->gesture));
3710 static void _cbs_clean(Elm_Gesture_Layer_Smart_Data *sd, Elm_Gesture_Type idx, Elm_Gesture_State cb_type);
3713 _elm_gesture_layer_smart_del(Eo *obj, void *_pd, va_list *list EINA_UNUSED)
3715 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3716 Pointer_Event *data;
3719 _event_history_clear(obj);
3720 sd->pending = eina_list_free(sd->pending);
3722 EINA_LIST_FREE(sd->touched, data)
3725 if (!elm_widget_disabled_get(obj))
3726 _callbacks_unregister(obj);
3728 /* Free all gestures internal data structures */
3729 for (i = 0; i < ELM_GESTURE_LAST; i++)
3732 if (sd->gesture[i]->data)
3733 free(sd->gesture[i]->data);
3735 _cbs_clean(sd, i, ELM_GESTURE_STATE_START);
3736 _cbs_clean(sd, i, ELM_GESTURE_STATE_MOVE);
3737 _cbs_clean(sd, i, ELM_GESTURE_STATE_END);
3738 _cbs_clean(sd, i, ELM_GESTURE_STATE_ABORT);
3739 free(sd->gesture[i]);
3741 if (sd->gest_taps_timeout) ecore_timer_del(sd->gest_taps_timeout);
3743 eo_do_super(obj, MY_CLASS, evas_obj_smart_del());
3747 elm_gesture_layer_add(Evas_Object *parent)
3749 EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
3750 Evas_Object *obj = eo_add(MY_CLASS, parent);
3756 _constructor(Eo *obj, void *_pd EINA_UNUSED, va_list *list EINA_UNUSED)
3758 eo_do_super(obj, MY_CLASS, eo_constructor());
3759 eo_do(obj, evas_obj_type_set(MY_CLASS_NAME));
3761 elm_widget_sub_object_add(eo_parent_get(obj), obj);
3765 elm_gesture_layer_hold_events_get(const Evas_Object *obj)
3767 ELM_GESTURE_LAYER_CHECK(obj) EINA_FALSE;
3768 Eina_Bool ret = EINA_FALSE;
3769 eo_do((Eo *) obj, elm_obj_gesture_layer_hold_events_get(&ret));
3774 _hold_events_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
3776 Eina_Bool *ret = va_arg(*list, Eina_Bool *);
3777 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3778 *ret = !sd->repeat_events;
3782 elm_gesture_layer_hold_events_set(Evas_Object *obj,
3783 Eina_Bool hold_events)
3785 ELM_GESTURE_LAYER_CHECK(obj);
3786 eo_do(obj, elm_obj_gesture_layer_hold_events_set(hold_events));
3790 _hold_events_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
3792 Eina_Bool hold_events = va_arg(*list, int);
3793 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3795 sd->repeat_events = !(!!hold_events);
3799 elm_gesture_layer_zoom_step_get(const Evas_Object *obj)
3801 ELM_GESTURE_LAYER_CHECK(obj) 0;
3803 eo_do((Eo *) obj, elm_obj_gesture_layer_zoom_step_get(&ret));
3808 _zoom_step_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
3810 double *ret = va_arg(*list, double *);
3811 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3812 *ret = sd->zoom_step;
3816 elm_gesture_layer_zoom_step_set(Evas_Object *obj,
3819 ELM_GESTURE_LAYER_CHECK(obj);
3820 eo_do(obj, elm_obj_gesture_layer_zoom_step_set(step));
3824 _zoom_step_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
3826 double step = va_arg(*list, double);
3827 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3829 if (step < 0) return;
3831 sd->zoom_step = step;
3835 elm_gesture_layer_rotate_step_get(const Evas_Object *obj)
3837 ELM_GESTURE_LAYER_CHECK(obj) 0;
3839 eo_do((Eo *) obj, elm_obj_gesture_layer_rotate_step_get(&ret));
3844 _rotate_step_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
3846 double *ret = va_arg(*list, double *);
3847 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3848 *ret = sd->rotate_step;
3852 elm_gesture_layer_rotate_step_set(Evas_Object *obj,
3855 ELM_GESTURE_LAYER_CHECK(obj);
3856 eo_do(obj, elm_obj_gesture_layer_rotate_step_set(step));
3860 _rotate_step_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
3862 double step = va_arg(*list, double);
3863 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3865 if (step < 0) return;
3867 sd->rotate_step = step;
3871 elm_gesture_layer_attach(Evas_Object *obj,
3872 Evas_Object *target)
3874 ELM_GESTURE_LAYER_CHECK(obj) EINA_FALSE;
3875 Eina_Bool ret = EINA_FALSE;
3876 eo_do(obj, elm_obj_gesture_layer_attach(target, &ret));
3881 _attach(Eo *obj, void *_pd, va_list *list)
3883 Evas_Object *target = va_arg(*list, Evas_Object *);
3884 Eina_Bool *ret = va_arg(*list, Eina_Bool *);
3885 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3886 if (ret) *ret = EINA_FALSE;
3888 if (!target) return;
3890 /* if was attached before, unregister callbacks first */
3892 _callbacks_unregister(obj);
3894 sd->target = target;
3896 _callbacks_register(obj);
3897 if (ret) *ret = EINA_TRUE;
3901 _cbs_clean(Elm_Gesture_Layer_Smart_Data *sd,
3902 Elm_Gesture_Type idx,
3903 Elm_Gesture_State cb_type)
3905 if (!sd->gesture[idx]) return;
3908 EINA_INLIST_FREE(sd->gesture[idx]->cbs[cb_type], cb_info)
3910 sd->gesture[idx]->cbs[cb_type] = eina_inlist_remove(
3911 sd->gesture[idx]->cbs[cb_type], EINA_INLIST_GET(cb_info));
3914 SET_TEST_BIT(sd->gesture[idx]);
3918 elm_gesture_layer_cb_set(Evas_Object *obj,
3919 Elm_Gesture_Type idx,
3920 Elm_Gesture_State cb_type,
3921 Elm_Gesture_Event_Cb cb,
3924 ELM_GESTURE_LAYER_CHECK(obj);
3925 eo_do(obj, elm_obj_gesture_layer_cb_set(idx, cb_type, cb, data));
3929 _cb_set(Eo *obj, void *_pd, va_list *list)
3931 Elm_Gesture_Type idx = va_arg(*list, Elm_Gesture_Type);
3932 Elm_Gesture_State cb_type = va_arg(*list, Elm_Gesture_State);
3933 Elm_Gesture_Event_Cb cb = va_arg(*list, Elm_Gesture_Event_Cb);
3934 void *data = va_arg(*list, void *);
3936 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3938 _cbs_clean(sd, idx, cb_type); // for ABI compat.
3939 eo_do(obj, elm_obj_gesture_layer_cb_add(idx, cb_type, cb, data));
3943 elm_gesture_layer_cb_add(Evas_Object *obj,
3944 Elm_Gesture_Type idx,
3945 Elm_Gesture_State cb_type,
3946 Elm_Gesture_Event_Cb cb,
3949 ELM_GESTURE_LAYER_CHECK(obj);
3950 eo_do(obj, elm_obj_gesture_layer_cb_add(idx, cb_type, cb, data));
3954 _cb_add(Eo *obj, void *_pd, va_list *list)
3956 Elm_Gesture_Type idx = va_arg(*list, Elm_Gesture_Type);
3957 Elm_Gesture_State cb_type = va_arg(*list, Elm_Gesture_State);
3958 Elm_Gesture_Event_Cb cb = va_arg(*list, Elm_Gesture_Event_Cb);
3959 void *data = va_arg(*list, void *);
3964 Elm_Gesture_Layer_Smart_Data *sd = _pd;
3966 if (!sd->gesture[idx])
3967 sd->gesture[idx] = calloc(1, sizeof(Gesture_Info));
3968 if (!sd->gesture[idx]) return;
3970 Func_Data *cb_info = calloc(1, sizeof(*cb_info));
3971 if (!cb_info) return;
3973 cb_info->user_data = data;
3975 p = sd->gesture[idx];
3978 p->cbs[cb_type] = eina_inlist_append(p->cbs[cb_type],
3979 EINA_INLIST_GET(cb_info));
3980 p->state = ELM_GESTURE_STATE_UNDEFINED;
3985 elm_gesture_layer_cb_del(Evas_Object *obj,
3986 Elm_Gesture_Type idx,
3987 Elm_Gesture_State cb_type,
3988 Elm_Gesture_Event_Cb cb,
3991 ELM_GESTURE_LAYER_CHECK(obj);
3992 eo_do(obj, elm_obj_gesture_layer_cb_del(idx, cb_type, cb, data));
3996 _cb_del(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
3998 Elm_Gesture_Type idx = va_arg(*list, Elm_Gesture_Type);
3999 Elm_Gesture_State cb_type = va_arg(*list, Elm_Gesture_State);
4000 Elm_Gesture_Event_Cb cb = va_arg(*list, Elm_Gesture_Event_Cb);
4001 void *data = va_arg(*list, void *);
4003 Elm_Gesture_Layer_Smart_Data *sd = _pd;
4005 if (!sd->gesture[idx]) return;
4009 EINA_INLIST_FOREACH_SAFE(sd->gesture[idx]->cbs[cb_type], itr, cb_info)
4011 if (cb_info->cb == cb && cb_info->user_data == data)
4013 sd->gesture[idx]->cbs[cb_type] = eina_inlist_remove(
4014 sd->gesture[idx]->cbs[cb_type], EINA_INLIST_GET(cb_info));
4016 SET_TEST_BIT(sd->gesture[idx]);
4023 elm_gesture_layer_line_min_length_set(Evas_Object *obj, int line_min_length)
4025 ELM_GESTURE_LAYER_CHECK(obj);
4026 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4027 sd->line_min_length = line_min_length;
4032 elm_gesture_layer_line_min_length_get(const Evas_Object *obj)
4034 ELM_GESTURE_LAYER_CHECK(obj) 0;
4035 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4036 return sd->line_min_length;
4040 elm_gesture_layer_zoom_distance_tolerance_set(Evas_Object *obj, Evas_Coord zoom_distance_tolerance)
4042 ELM_GESTURE_LAYER_CHECK(obj);
4043 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4044 sd->zoom_distance_tolerance = zoom_distance_tolerance;
4048 elm_gesture_layer_zoom_distance_tolerance_get(const Evas_Object *obj)
4050 ELM_GESTURE_LAYER_CHECK(obj) 0;
4051 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4052 return sd->zoom_distance_tolerance;
4056 elm_gesture_layer_line_distance_tolerance_set(Evas_Object *obj, Evas_Coord line_distance_tolerance)
4058 ELM_GESTURE_LAYER_CHECK(obj);
4059 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4060 sd->line_distance_tolerance = line_distance_tolerance;
4064 elm_gesture_layer_line_distance_tolerance_get(const Evas_Object *obj)
4066 ELM_GESTURE_LAYER_CHECK(obj) 0;
4067 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4068 return sd->line_distance_tolerance;
4072 elm_gesture_layer_line_angular_tolerance_set(Evas_Object *obj, double line_angular_tolerance)
4074 ELM_GESTURE_LAYER_CHECK(obj);
4075 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4076 sd->line_angular_tolerance = line_angular_tolerance;
4080 elm_gesture_layer_line_angular_tolerance_get(const Evas_Object *obj)
4082 ELM_GESTURE_LAYER_CHECK(obj) 0.0;
4083 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4084 return sd->line_angular_tolerance;
4088 elm_gesture_layer_zoom_wheel_factor_set(Evas_Object *obj, double zoom_wheel_factor)
4090 ELM_GESTURE_LAYER_CHECK(obj);
4091 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4092 sd->zoom_wheel_factor = zoom_wheel_factor;
4096 elm_gesture_layer_zoom_wheel_factor_get(const Evas_Object *obj)
4098 ELM_GESTURE_LAYER_CHECK(obj) 0.0;
4099 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4100 return sd->zoom_wheel_factor;
4104 elm_gesture_layer_zoom_finger_factor_set(Evas_Object *obj, double zoom_finger_factor)
4106 ELM_GESTURE_LAYER_CHECK(obj);
4107 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4108 sd->zoom_finger_factor = zoom_finger_factor;
4112 elm_gesture_layer_zoom_finger_factor_get(const Evas_Object *obj)
4114 ELM_GESTURE_LAYER_CHECK(obj) 0.0;
4115 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4116 return sd->zoom_finger_factor;
4120 elm_gesture_layer_rotate_angular_tolerance_set(Evas_Object *obj, double rotate_angular_tolerance)
4122 ELM_GESTURE_LAYER_CHECK(obj);
4123 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4124 sd->rotate_angular_tolerance = rotate_angular_tolerance;
4128 elm_gesture_layer_rotate_angular_tolerance_get(const Evas_Object *obj)
4130 ELM_GESTURE_LAYER_CHECK(obj) 0.0;
4131 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4132 return sd->rotate_angular_tolerance;
4136 elm_gesture_layer_flick_time_limit_ms_set(Evas_Object *obj, unsigned int flick_time_limit_ms)
4138 ELM_GESTURE_LAYER_CHECK(obj);
4139 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4140 sd->flick_time_limit_ms = flick_time_limit_ms;
4144 elm_gesture_layer_flick_time_limit_ms_get(const Evas_Object *obj)
4146 ELM_GESTURE_LAYER_CHECK(obj) 0;
4147 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4148 return sd->flick_time_limit_ms;
4152 elm_gesture_layer_long_tap_start_timeout_set(Evas_Object *obj, double long_tap_start_timeout)
4154 ELM_GESTURE_LAYER_CHECK(obj);
4155 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4156 sd->long_tap_start_timeout = long_tap_start_timeout;
4160 elm_gesture_layer_long_tap_start_timeout_get(const Evas_Object *obj)
4162 ELM_GESTURE_LAYER_CHECK(obj) 0.0;
4163 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4164 return sd->long_tap_start_timeout;
4168 elm_gesture_layer_continues_enable_set(Evas_Object *obj, Eina_Bool continues_enable)
4170 ELM_GESTURE_LAYER_CHECK(obj);
4171 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4172 sd->glayer_continues_enable = continues_enable;
4176 elm_gesture_layer_continues_enable_get(const Evas_Object *obj)
4178 ELM_GESTURE_LAYER_CHECK(obj) 0.0;
4179 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4180 return sd->glayer_continues_enable;
4184 elm_gesture_layer_double_tap_timeout_set(Evas_Object *obj, double double_tap_timeout)
4186 ELM_GESTURE_LAYER_CHECK(obj);
4187 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4188 sd->double_tap_timeout = double_tap_timeout;
4192 elm_gesture_layer_double_tap_timeout_get(const Evas_Object *obj)
4194 ELM_GESTURE_LAYER_CHECK(obj) 0.0;
4195 ELM_GESTURE_LAYER_DATA_GET(obj, sd);
4196 return sd->double_tap_timeout;
4200 elm_gesture_layer_tap_finger_size_set(Evas_Object *obj,
4203 ELM_GESTURE_LAYER_CHECK(obj);
4204 eo_do(obj, elm_obj_gesture_layer_tap_finger_size_set(sz));
4208 _tap_finger_size_set(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
4210 Evas_Coord sz = va_arg(*list, Evas_Coord);
4211 Elm_Gesture_Layer_Smart_Data *sd = _pd;
4214 sz = 0; /* Should not be negative, will reset to system value */
4216 sd->tap_finger_size = sz;
4220 elm_gesture_layer_tap_finger_size_get(const Evas_Object *obj)
4222 ELM_GESTURE_LAYER_CHECK(obj) elm_config_finger_size_get();
4224 eo_do((Eo *) obj, elm_obj_gesture_layer_tap_finger_size_get(&ret));
4229 _tap_finger_size_get(Eo *obj EINA_UNUSED, void *_pd, va_list *list)
4231 Evas_Coord *ret = va_arg(*list, Evas_Coord *);
4232 Elm_Gesture_Layer_Smart_Data *sd = _pd;
4233 *ret = sd->tap_finger_size;
4237 _class_constructor(Eo_Class *klass)
4239 const Eo_Op_Func_Description func_desc[] = {
4240 EO_OP_FUNC(EO_BASE_ID(EO_BASE_SUB_ID_CONSTRUCTOR), _constructor),
4242 EO_OP_FUNC(EVAS_OBJ_SMART_ID(EVAS_OBJ_SMART_SUB_ID_ADD), _elm_gesture_layer_smart_add),
4243 EO_OP_FUNC(EVAS_OBJ_SMART_ID(EVAS_OBJ_SMART_SUB_ID_DEL), _elm_gesture_layer_smart_del),
4245 EO_OP_FUNC(ELM_WIDGET_ID(ELM_WIDGET_SUB_ID_DISABLE), _elm_gesture_layer_smart_disable),
4247 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_HOLD_EVENTS_GET), _hold_events_get),
4248 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_HOLD_EVENTS_SET), _hold_events_set),
4249 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_ZOOM_STEP_GET), _zoom_step_get),
4250 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_ZOOM_STEP_SET), _zoom_step_set),
4251 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_ROTATE_STEP_GET), _rotate_step_get),
4252 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_ROTATE_STEP_SET), _rotate_step_set),
4253 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_ATTACH), _attach),
4254 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_CB_SET), _cb_set),
4255 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_TAP_FINGER_SIZE_SET), _tap_finger_size_set),
4256 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_TAP_FINGER_SIZE_GET), _tap_finger_size_get),
4257 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_CB_ADD), _cb_add),
4258 EO_OP_FUNC(ELM_OBJ_GESTURE_LAYER_ID(ELM_OBJ_GESTURE_LAYER_SUB_ID_CB_DEL), _cb_del),
4261 eo_class_funcs_set(klass, func_desc);
4263 evas_smart_legacy_type_register(MY_CLASS_NAME, klass);
4266 static const Eo_Op_Description op_desc[] = {
4267 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_HOLD_EVENTS_GET, "Call this function to get repeat-events settings."),
4268 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_HOLD_EVENTS_SET, "This function is to make gesture-layer repeat events."),
4269 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_ZOOM_STEP_GET, "This function returns step-value for zoom action."),
4270 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_ZOOM_STEP_SET, "This function sets step-value for zoom action."),
4271 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_ROTATE_STEP_GET, "This function returns step-value for rotate action."),
4272 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_ROTATE_STEP_SET, "This function sets step-value for rotate action."),
4273 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_ATTACH, "Attach a given gesture layer widget to an Evas object, thus setting the widget's target."),
4274 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_CB_SET, "Use function to set callbacks to be notified about change of state of gesture."),
4275 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_TAP_FINGER_SIZE_SET, "Use function to set valid touch-area size for finger."),
4276 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_TAP_FINGER_SIZE_GET, "This function returns the valid touch-area size for finger."),
4277 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_CB_ADD, "Use function to add callbacks to be notified about change of state of gesture."),
4278 EO_OP_DESCRIPTION(ELM_OBJ_GESTURE_LAYER_SUB_ID_CB_DEL, "Use function to remove added callbacks."),
4279 EO_OP_DESCRIPTION_SENTINEL
4282 static const Eo_Class_Description class_desc = {
4285 EO_CLASS_TYPE_REGULAR,
4286 EO_CLASS_DESCRIPTION_OPS(&ELM_OBJ_GESTURE_LAYER_BASE_ID, op_desc, ELM_OBJ_GESTURE_LAYER_SUB_ID_LAST),
4288 sizeof(Elm_Gesture_Layer_Smart_Data),
4293 EO_DEFINE_CLASS(elm_obj_gesture_layer_class_get, &class_desc, ELM_OBJ_WIDGET_CLASS, NULL);