/**
* @internal
*
- * Recoed Pointer Event in touched device list
- * Note: This fuction allocates memory for PE event
- * This memory is released in _remove_touched_device()
+ * Remove Pointer Event from touched device list
* @param list Pointer to touched device list.
* @param Pointer_Event Pointer to PE.
*
* @ingroup Elm_Gesture_Layer
*/
static Eina_List *
-_add_touched_device(Eina_List *list, Pointer_Event *pe)
+_remove_touched_device(Eina_List *list, Pointer_Event *pe)
{
- if (eina_list_search_unsorted_list(list, compare_device, pe))
- return list;
+ Pointer_Event *p = eina_list_search_unsorted(list, compare_device, pe);
+ if (p)
+ {
+ free(p);
+ return eina_list_remove(list, p);
+ }
- Pointer_Event *p = malloc(sizeof(Pointer_Event ));
- memcpy(p, pe, sizeof(Pointer_Event)); /* Freed in _remove_touched_device() */
- return eina_list_append(list, p);
+ return list;
}
/**
* @internal
*
- * Remove Pointer Event from touched device list
+ * Recoed Pointer Event in touched device list
+ * Note: This fuction allocates memory for PE event
+ * This memory is released in _remove_touched_device()
* @param list Pointer to touched device list.
* @param Pointer_Event Pointer to PE.
*
* @ingroup Elm_Gesture_Layer
*/
static Eina_List *
-_remove_touched_device(Eina_List *list, Pointer_Event *pe)
+_add_touched_device(Eina_List *list, Pointer_Event *pe)
{
Pointer_Event *p = eina_list_search_unsorted(list, compare_device, pe);
if (p)
- {
- free(p);
- return eina_list_remove(list, p);
+ { /* We like to track device touch-position, overwrite info */
+ memcpy(p, pe, sizeof(Pointer_Event));
+ return list;
}
- return list;
+ p = malloc(sizeof(Pointer_Event));
+ memcpy(p, pe, sizeof(Pointer_Event)); /* Freed in _remove_touched_device() */
+ return eina_list_append(list, p);
}
/* END - Functions to manage touched-device list */
Widget_Data *wd = elm_widget_data_get(gesture->obj);
Zoom_Type *st = gesture->data;
- Pointer_Event pe, pe1;
Evas_Modifier_Mask mask = evas_key_modifier_mask_get(
evas_object_evas_get(wd->target), "Control");
evas_object_key_ungrab(wd->target, "Control_L", mask, 0);
evas_object_key_ungrab(wd->target, "Control_R", mask, 0);
- pe.timestamp = pe1.timestamp = 0;
-
- if (eina_list_search_unsorted_list(wd->touched, compare_device,
- &st->zoom_st))
- memcpy(&pe, &st->zoom_st, sizeof(Pointer_Event));
-
- if (eina_list_search_unsorted_list(wd->touched, compare_device,
- &st->zoom_st1))
- memcpy(&pe1, &st->zoom_st1, sizeof(Pointer_Event));
-
memset(st, 0, sizeof(Zoom_Type));
-
- /* If user released one finger only, restore down-info */
- if (pe.timestamp && (!pe1.timestamp))
- memcpy(&st->zoom_st, &pe, sizeof(Pointer_Event));
-
- if (pe1.timestamp && (!pe.timestamp))
- memcpy(&st->zoom_st1, &pe1, sizeof(Pointer_Event));
-
st->zoom_distance_tolerance = wd->zoom_distance_tolerance;
st->info.zoom = 1.0;
}
Widget_Data *wd = elm_widget_data_get(gesture->obj);
Rotate_Type *st = gesture->data;
- Pointer_Event pe, pe1;
-
- pe.timestamp = pe1.timestamp = 0;
-
- if (eina_list_search_unsorted_list(wd->touched, compare_device,
- &st->rotate_st))
- memcpy(&pe, &st->rotate_st, sizeof(Pointer_Event));
-
- if (eina_list_search_unsorted_list(wd->touched, compare_device,
- &st->rotate_st1))
- memcpy(&pe1, &st->rotate_st1, sizeof(Pointer_Event));
memset(st, 0, sizeof(Rotate_Type));
-
- /* If user released one finger only, restore down-info */
- if (pe.timestamp && (!pe1.timestamp))
- memcpy(&st->rotate_st, &pe, sizeof(Pointer_Event));
-
- if (pe1.timestamp && (!pe.timestamp))
- memcpy(&st->rotate_st1, &pe1, sizeof(Pointer_Event));
-
-
st->info.base_angle = ELM_GESTURE_NEGATIVE_ANGLE;
st->rotate_angular_tolerance = wd->rotate_angular_tolerance;
}
Gesture_Info *gesture = wd->gesture[g_type];
if (!gesture ) return;
- if ((gesture->state == ELM_GESTURE_STATE_UNDEFINED) &&
- eina_list_count(wd->touched))
- return; /* user left a finger on device, do NOT start */
-
Taps_Type *st = gesture->data;
if (!st)
{ /* Allocated once on first time */
else
return 1;
}
-
/**
* @internal
*
Gesture_Info *gesture = wd->gesture[g_type];
if (!gesture ) return;
- if ((gesture->state == ELM_GESTURE_STATE_UNDEFINED) &&
- eina_list_count(wd->touched))
- return; /* user left a finger on device, do NOT start */
-
Momentum_Type *st = gesture->data;
Elm_Gesture_State state_to_report;
if (!st)
switch (event_type)
{
case EVAS_CALLBACK_MOUSE_DOWN:
- st->line_st.x = st->line_end.x = pe->x;
- st->line_st.y = st->line_end.y = pe->y;
- st->t_st_x = st->t_st_y = st->t_end = pe->timestamp;
- st->xdir = st->ydir = 0;
- st->info.x2 = st->info.x1 = pe->x;
- st->info.y2 = st->info.y1 = pe->y;
- st->info.tx = st->info.ty = pe->timestamp;
- ev_flag = _set_state(gesture, ELM_GESTURE_STATE_START,
- &st->info, EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
- break;
-
- case EVAS_CALLBACK_MOUSE_UP:
- /* IGNORE if line info was cleared, like long press, move */
+ case EVAS_CALLBACK_MOUSE_MOVE:
if (!st->t_st_x)
- return;
- state_to_report = ELM_GESTURE_STATE_END;
-
- if ((pe->timestamp - ELM_GESTURE_MOMENTUM_TIMEOUT) > st->t_end)
{
- /* Too long of a wait, reset all values */
- st->line_st.x = pe->x;
- st->line_st.y = pe->y;
- st->t_st_y = st->t_st_x = pe->timestamp;
- st->xdir = st->ydir = 0;
- state_to_report = ELM_GESTURE_STATE_ABORT;
- }
-
- st->info.x2 = pe->x;
- st->info.y2 = pe->y;
- st->line_end.x = pe->x;
- st->line_end.y = pe->y;
- st->t_end = pe->timestamp;
-
- _set_momentum(&st->info, st->line_st.x, st->line_st.y, pe->x, pe->y,
- st->t_st_x, st->t_st_y, pe->timestamp);
-
- ev_flag = _set_state(gesture, state_to_report, &st->info,
- EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
+ if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
+ (wd->glayer_continues_enable)) /* start also on MOVE */
+ { /* We start on MOVE when cont-enabled only */
+ st->line_st.x = st->line_end.x = pe->x;
+ st->line_st.y = st->line_end.y = pe->y;
+ st->t_st_x = st->t_st_y = st->t_end = pe->timestamp;
+ st->xdir = st->ydir = 0;
+ st->info.x2 = st->info.x1 = pe->x;
+ st->info.y2 = st->info.y1 = pe->y;
+ st->info.tx = st->info.ty = pe->timestamp;
+ ev_flag = _set_state(gesture, ELM_GESTURE_STATE_START,
+ &st->info, EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
- return;
+ }
- case EVAS_CALLBACK_MOUSE_MOVE:
- /* IGNORE if line info was cleared, like long press, move */
- if (!st->t_st_x)
- return;
+ return;
+ }
state_to_report = ELM_GESTURE_STATE_MOVE;
if ((pe->timestamp - ELM_GESTURE_MOMENTUM_TIMEOUT) > st->t_end)
- {
- /* Too long of a wait, reset all values */
+ { /* Too long of a wait, reset all values */
st->line_st.x = pe->x;
st->line_st.y = pe->y;
st->t_st_y = st->t_st_x = pe->timestamp;
st->info.tx = st->t_st_x;
st->info.ty = st->t_st_y;
st->xdir = st->ydir = 0;
- state_to_report = ELM_GESTURE_STATE_ABORT;
}
else
{
int xdir, ydir;
- xdir = _get_direction(st->line_end.x, pe->x);
- ydir = _get_direction(st->line_end.y, pe->y);
+ xdir = _get_direction(st->line_st.x, pe->x);
+ ydir = _get_direction(st->line_st.y, pe->y);
if (!xdir || (xdir == (-st->xdir)))
{
st->line_st.x = st->line_end.x;
consume_event(wd, event_info, event_type, ev_flag);
break;
+
+ case EVAS_CALLBACK_MOUSE_UP:
+ /* IGNORE if line info was cleared, like long press, move */
+ if (!st->t_st_x)
+ return;
+ state_to_report = ELM_GESTURE_STATE_END;
+
+ if ((pe->timestamp - ELM_GESTURE_MOMENTUM_TIMEOUT) > st->t_end)
+ { /* Too long of a wait, reset all values */
+ st->line_st.x = pe->x;
+ st->line_st.y = pe->y;
+ st->t_st_y = st->t_st_x = pe->timestamp;
+ st->xdir = st->ydir = 0;
+ }
+
+ st->info.x2 = pe->x;
+ st->info.y2 = pe->y;
+ st->line_end.x = pe->x;
+ st->line_end.y = pe->y;
+ st->t_end = pe->timestamp;
+
+ _set_momentum(&st->info, st->line_st.x, st->line_st.y, pe->x, pe->y,
+ st->t_st_x, st->t_st_y, pe->timestamp);
+
+ ev_flag = _set_state(gesture, state_to_report, &st->info,
+ EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
+
+ return;
+
case EVAS_CALLBACK_MULTI_UP:
ev_flag = _set_state(gesture, ELM_GESTURE_STATE_ABORT, &st->info,
EINA_FALSE);
switch (event_type)
{
case EVAS_CALLBACK_MOUSE_DOWN:
+ case EVAS_CALLBACK_MOUSE_MOVE:
case EVAS_CALLBACK_MULTI_DOWN:
- st->line_st.x = pe->x;
- st->line_st.y = pe->y;
- st->t_st = pe->timestamp;
- st->device = pe->device;
- info->momentum.x1 = pe->x;
- info->momentum.y1 = pe->y;
- info->momentum.tx = pe->timestamp;
- info->momentum.ty = pe->timestamp;
-
- return EINA_TRUE;
+ case EVAS_CALLBACK_MULTI_MOVE:
+ if (!st->t_st)
+ { /* This happens only when line starts */
+ st->line_st.x = pe->x;
+ st->line_st.y = pe->y;
+ st->t_st = pe->timestamp;
+ st->device = pe->device;
+ info->momentum.x1 = pe->x;
+ info->momentum.y1 = pe->y;
+ info->momentum.tx = pe->timestamp;
+ info->momentum.ty = pe->timestamp;
+
+ return EINA_TRUE;
+ }
+
break;
case EVAS_CALLBACK_MOUSE_UP:
st->t_end = pe->timestamp;
break;
- case EVAS_CALLBACK_MOUSE_MOVE:
- case EVAS_CALLBACK_MULTI_MOVE:
- /* IGNORE if line info was cleared, like long press, move */
- if (!st->t_st)
- return EINA_FALSE;
-
- break;
default:
return EINA_FALSE;
}
if (!wd) return;
Gesture_Info *gesture = wd->gesture[g_type];
if (!gesture ) return;
-/*
- if ((gesture->state == ELM_GESTURE_STATE_UNDEFINED) &&
- eina_list_count(wd->touched))
- return; user left a finger on device, do NOT start
-*/
+
Line_Type *st = gesture->data;
if (!st)
{
Line_Data *line = NULL;
Eina_List *list = st->list;
- unsigned int i, cnt = eina_list_count(list);
+ unsigned cnt = eina_list_count(list);
if (cnt)
{ /* list is not empty, locate this device on list */
line = (Line_Data *) eina_list_search_unsorted(st->list,
compare_line_device, &pe->device);
-
- if (!line)
- { /* Try to locate an empty-node */
- for (i = 0; i < cnt; i++)
- {
- line = eina_list_nth(list, i);
- if (!line->t_st)
- break; /* Found a free node */
-
- line = NULL;
- }
- }
}
if (!line)
{ /* List is empty or device not found, new line-struct on START only */
if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
- (event_type == EVAS_CALLBACK_MULTI_DOWN))
- { /* Allocate new item on START */
+ (event_type == EVAS_CALLBACK_MULTI_DOWN) ||
+ ((wd->glayer_continues_enable) && /* START on MOVE also */
+ ((event_type == EVAS_CALLBACK_MOUSE_MOVE) ||
+ (event_type == EVAS_CALLBACK_MULTI_MOVE))))
+ { /* Allocate new item on START only */
line = calloc(1, sizeof(Line_Data));
_line_data_reset(line);
list = eina_list_append(list, line);
case EVAS_CALLBACK_MOUSE_DOWN:
case EVAS_CALLBACK_MULTI_DOWN:
- if (started)
- {
- ev_flag = _set_state(gesture, ELM_GESTURE_STATE_START,
- &st->info, EINA_TRUE);
- consume_event(wd, event_info, event_type, ev_flag);
- }
-
- break;
-
case EVAS_CALLBACK_MOUSE_MOVE:
case EVAS_CALLBACK_MULTI_MOVE:
if (started)
{
- if (wd->glayer_continues_enable && started == ended)
- { /* For continues gesture */
+ if (wd->glayer_continues_enable && (started == ended))
+ { /* For continues gesture */
ev_flag = _set_state(gesture, ELM_GESTURE_STATE_END,
&st->info, EINA_FALSE);
consume_event(wd, event_info, event_type, ev_flag);
}
else
- {
- ev_flag = _set_state(gesture, ELM_GESTURE_STATE_MOVE,
- &st->info, EINA_TRUE);
+ { /* When continues, may START on MOVE event too */
+ Elm_Gesture_State s = ELM_GESTURE_STATE_MOVE;
+
+ /* This happens when: on n > 1 lines then one finger up */
+ /* caused abort, then put finger down. */
+ /* This will stop line from starting again. */
+ /* Number of lines, MUST match touched-device in list */
+ if ((!wd->glayer_continues_enable) &&
+ (eina_list_count(st->list) < eina_list_count(wd->touched)))
+ s = ELM_GESTURE_STATE_ABORT;
+
+ if (gesture->state == ELM_GESTURE_STATE_UNDEFINED)
+ s = ELM_GESTURE_STATE_START;
+
+ ev_flag = _set_state(gesture, s, &st->info, EINA_TRUE);
consume_event(wd, event_info, event_type, ev_flag);
}
}
_zoom_test_reset(gesture_zoom);
}
+
+ /* Start - new zoom testing, letting all fingers start */
Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
switch (event_type)
{
- case EVAS_CALLBACK_MOUSE_DOWN:
- consume_event(wd, event_info, event_type, ev_flag);
- memcpy(&st->zoom_st, pe, sizeof(Pointer_Event));
-
- break;
-
case EVAS_CALLBACK_MOUSE_MOVE:
- consume_event(wd, event_info, event_type, ev_flag);
- if (!st->zoom_st.timestamp)
- return; /* we got move event before down event.Ignore it */
+ case EVAS_CALLBACK_MULTI_MOVE:
+ /* if non-continues mode and gesture NOT started, ignore MOVE */
+ if ((!wd->glayer_continues_enable) &&
+ (!st->zoom_st.timestamp))
+ return;
- consume_event(wd, event_info, event_type, ev_flag);
- memcpy(&st->zoom_mv, pe, sizeof(Pointer_Event));
+ case EVAS_CALLBACK_MOUSE_DOWN:
+ case EVAS_CALLBACK_MULTI_DOWN:
+ { /* Here we take care of zoom-start and zoom move */
+ Eina_List *l;
+ Pointer_Event *p;
+
+ if(eina_list_count(wd->touched) > 2)
+ { /* Process zoom only when 2 fingers on surface */
+ ev_flag = _set_state(gesture_zoom,
+ ELM_GESTURE_STATE_ABORT, &st->info, EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
- /* We match this point to previous multi-move or multi-down event */
- if (st->zoom_mv1.timestamp)
- {
- st->info.zoom = compute_zoom(st,
- st->zoom_mv.x, st->zoom_mv.y, st->zoom_mv.timestamp,
- st->zoom_mv1.x, st->zoom_mv1.y, st->zoom_mv1.timestamp,
- wd->zoom_finger_factor);
- break;
- }
+ return;
+ }
- if (st->zoom_st1.timestamp)
- {
- st->info.zoom = compute_zoom(st,
- st->zoom_mv.x, st->zoom_mv.y, st->zoom_mv.timestamp,
- st->zoom_st1.x, st->zoom_st1.y, st->zoom_st1.timestamp,
- wd->zoom_finger_factor);
- break;
- }
+ if (!st->zoom_st.timestamp)
+ { /* Now scan touched-devices list and find other finger */
+ EINA_LIST_FOREACH(wd->touched, l, p)
+ { /* Device of other finger <> pe device */
+ if (p->device != pe->device)
+ break;
+ }
- break;
+ if (!p) /* Single finger on touch */
+ return;
- case EVAS_CALLBACK_MULTI_MOVE:
- if (!st->zoom_st1.timestamp)
- return; /* We get move event before down event.Ignore it */
+ /* Record down fingers */
+ consume_event(wd, event_info, event_type, ev_flag);
+ memcpy(&st->zoom_st, pe, sizeof(Pointer_Event));
+ memcpy(&st->zoom_st1, p, sizeof(Pointer_Event));
+
+ /* Set mv field as well to be ready for MOVE events */
+ memcpy(&st->zoom_mv, pe, sizeof(Pointer_Event));
+ memcpy(&st->zoom_mv1, p, sizeof(Pointer_Event));
+
+ /* Here we have zoom_st, zoom_st1 set, report START */
+ /* Set zoom-base after BOTH down events recorded */
+ /* Compute length of line between fingers zoom start */
+ st->info.zoom = 1.0;
+ st->zoom_base = get_finger_gap_length(st->zoom_st1.x,
+ st->zoom_st1.y, st->zoom_st.x, st->zoom_st.y,
+ &st->info.x, &st->info.y);
+
+ st->info.radius = st->zoom_base / 2;
+
+ if ((gesture_zoom->state != ELM_GESTURE_STATE_START) &&
+ (gesture_zoom->state != ELM_GESTURE_STATE_MOVE))
+ { /* zoom started with mouse-wheel, don't report twice */
+ ev_flag = _set_state(gesture_zoom,
+ ELM_GESTURE_STATE_START, &st->info, EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
+ }
- consume_event(wd, event_info, event_type, ev_flag);
- if (st->zoom_mv1.timestamp)
- {
- if (st->zoom_mv1.device !=
- ((Evas_Event_Multi_Move *) event_info)->device)
- { /* A third finger on screen, abort zoom */
- ev_flag = _set_state(gesture_zoom,
- ELM_GESTURE_STATE_ABORT, &st->info, EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
+ return; /* Zoom started */
+ } /* End of ZOOM_START handling */
- return;
- }
- }
- memcpy(&st->zoom_mv1, pe, sizeof(Pointer_Event));
+ /* if we got here, we have (exacally) two fingers on surfce */
+ /* we also after START, report MOVE */
+ /* First detect which finger moved */
+ if (pe->device == st->zoom_mv.device)
+ memcpy(&st->zoom_mv, pe, sizeof(Pointer_Event));
+ else if (pe->device == st->zoom_mv1.device)
+ memcpy(&st->zoom_mv1, pe, sizeof(Pointer_Event));
- /* Match this point to previous mouse-move or mouse-down event */
- if (st->zoom_mv.timestamp)
- {
+ /* Compute change in zoom as fingers move */
st->info.zoom = compute_zoom(st,
- st->zoom_mv1.x, st->zoom_mv1.y, st->zoom_mv1.timestamp,
st->zoom_mv.x, st->zoom_mv.y, st->zoom_mv.timestamp,
- wd->zoom_finger_factor);
- break;
- }
-
- if (st->zoom_st.timestamp)
- {
- st->info.zoom = compute_zoom(st,
st->zoom_mv1.x, st->zoom_mv1.y, st->zoom_mv1.timestamp,
- st->zoom_st.x, st->zoom_st.y, st->zoom_st.timestamp,
wd->zoom_finger_factor);
- break;
- }
- break;
+ if (!st->zoom_distance_tolerance)
+ { /* Zoom broke tolerance, report move */
+ double d = st->info.zoom - st->next_step;
+ if (d < 0.0)
+ d = (-d);
- case EVAS_CALLBACK_MULTI_DOWN:
- consume_event(wd, event_info, event_type, ev_flag);
- memcpy(&st->zoom_st1, pe, sizeof(Pointer_Event));
- break;
+ if (d >= wd->zoom_step)
+ { /* Report move in steps */
+ st->next_step = st->info.zoom;
+
+ ev_flag = _set_state(gesture_zoom,
+ ELM_GESTURE_STATE_MOVE,
+ &st->info, EINA_TRUE);
+ consume_event(wd, event_info, event_type, ev_flag);
+ }
+ } /* End of ZOOM_MOVE handling */
+
+ return;
+ }
case EVAS_CALLBACK_MOUSE_UP:
case EVAS_CALLBACK_MULTI_UP:
- /* Reset timestamp of finger-up.This is used later
- by _zoom_test_reset() to retain finger-down data */
- consume_event(wd, event_info, event_type, ev_flag);
- if (((st->zoom_wheel) || (st->zoom_base)) &&
- (st->zoom_distance_tolerance == 0))
- {
- ev_flag = _set_state(gesture_zoom, ELM_GESTURE_STATE_END,
- &st->info, EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
+ /* Reset timestamp of finger-up.This is used later
+ by _zoom_test_reset() to retain finger-down data */
+ consume_event(wd, event_info, event_type, ev_flag);
+ if (((st->zoom_wheel) || (st->zoom_base)) &&
+ (st->zoom_distance_tolerance == 0))
+ {
+ ev_flag = _set_state(gesture_zoom, ELM_GESTURE_STATE_END,
+ &st->info, EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
- return;
- }
+ return;
+ }
- /* if we got here not a ZOOM */
- if (gesture_zoom->state != ELM_GESTURE_STATE_UNDEFINED)
- { /* Must be != undefined, if gesture started */
- ev_flag = _set_state(gesture_zoom,
- ELM_GESTURE_STATE_ABORT, &st->info, EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
- }
+ /* if we got here not a ZOOM */
+ if (gesture_zoom->state != ELM_GESTURE_STATE_UNDEFINED)
+ { /* Must be != undefined, if gesture started */
+ ev_flag = _set_state(gesture_zoom,
+ ELM_GESTURE_STATE_ABORT, &st->info, EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
+ }
- _zoom_test_reset(gesture_zoom);
+ _zoom_test_reset(gesture_zoom);
- return;
+ return;
default:
- return;
- }
-
-
- if (!st->zoom_distance_tolerance)
- if ((event_type == EVAS_CALLBACK_MOUSE_MOVE) ||
- (event_type == EVAS_CALLBACK_MULTI_MOVE))
- {
- { /* Zoom broke tolerance, report move */
- double d = st->info.zoom - st->next_step;
- if (d < 0.0)
- d = (-d);
-
- if (d >= wd->zoom_step)
- { /* Report move in steps */
- st->next_step = st->info.zoom;
-
- ev_flag = _set_state(gesture_zoom, ELM_GESTURE_STATE_MOVE,
- &st->info, EINA_TRUE);
- consume_event(wd, event_info, event_type, ev_flag);
- }
- }
-
- return;
+ return;
}
-
- if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
- (event_type == EVAS_CALLBACK_MULTI_DOWN))
- { /* report zoom start finger location is zoom-center temporarly */
- /* Zoom may have started with mouse-wheel, don't report START */
- if ((st->zoom_st.timestamp) && (st->zoom_st1.timestamp))
- { /* Set zoom-base after BOTH down events were recorded */
- /* Compute length of line between fingers on zoom start */
- st->info.zoom = 1.0;
- st->zoom_base = get_finger_gap_length(st->zoom_st1.x,
- st->zoom_st1.y, st->zoom_st.x, st->zoom_st.y,
- &st->info.x, &st->info.y);
-
- st->info.radius = st->zoom_base / 2;
-
- if ((gesture_zoom->state != ELM_GESTURE_STATE_START) &&
- (gesture_zoom->state != ELM_GESTURE_STATE_MOVE))
- { /* Report START only when two fingers touching */
- ev_flag = _set_state(gesture_zoom,
- ELM_GESTURE_STATE_START, &st->info, EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
- }
- }
- }
-
- return;
}
static void
}
Evas_Event_Flags ev_flag = EVAS_EVENT_FLAG_NONE;
-
switch (event_type)
{
- case EVAS_CALLBACK_MOUSE_DOWN:
- consume_event(wd, event_info, event_type, ev_flag);
- memcpy(&st->rotate_st, pe, sizeof(Pointer_Event));
-
- break;
-
case EVAS_CALLBACK_MOUSE_MOVE:
- if (!st->rotate_st.timestamp)
- break; /* We got move event before down event.Ignore it */
-
- consume_event(wd, event_info, event_type, ev_flag);
- memcpy(&st->rotate_mv, pe, sizeof(Pointer_Event));
-
- /* Match this point to previous multi-move or multi-down event */
- if (st->rotate_mv1.timestamp)
- { /* Compute rotation angle and report to user */
- _get_rotate_properties(st,
- st->rotate_mv.x, st->rotate_mv.y, st->rotate_mv.timestamp,
- st->rotate_mv1.x, st->rotate_mv1.y, st->rotate_mv1.timestamp,
- &st->info.angle);
- break;
- }
-
- if (st->rotate_st1.timestamp)
- { /* Compute rotation angle and report to user */
- _get_rotate_properties(st,
- st->rotate_mv.x, st->rotate_mv.y, st->rotate_mv.timestamp,
- st->rotate_st1.x, st->rotate_st1.y, st->rotate_st1.timestamp,
- &st->info.angle);
- break;
- }
-
- return;
-
case EVAS_CALLBACK_MULTI_MOVE:
- if (!st->rotate_st1.timestamp)
- break; /* We got move event before down event.Ignore it */
+ /* if non-continues mode and gesture NOT started, ignore MOVE */
+ if ((!wd->glayer_continues_enable) &&
+ (!st->rotate_st.timestamp))
+ return;
- consume_event(wd, event_info, event_type, ev_flag);
- if (st->rotate_mv1.timestamp)
- {
- if (st->rotate_mv1.device !=
- ((Evas_Event_Multi_Move *) event_info)->device)
- { /* A third finger on screen, abort rotate */
- ev_flag = _set_state(gesture, ELM_GESTURE_STATE_ABORT,
- &st->info, EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
+ case EVAS_CALLBACK_MOUSE_DOWN:
+ case EVAS_CALLBACK_MULTI_DOWN:
+ { /* Here we take care of rotate-start and rotate move */
+ Eina_List *l;
+ Pointer_Event *p;
+
+ if(eina_list_count(wd->touched) > 2)
+ { /* Process rotate only when 2 fingers on surface */
+ ev_flag = _set_state(gesture,
+ ELM_GESTURE_STATE_ABORT, &st->info, EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
- return;
- }
- }
+ return;
+ }
- memcpy(&st->rotate_mv1, pe, sizeof(Pointer_Event));
+ if (!st->rotate_st.timestamp)
+ { /* Now scan touched-devices list and find other finger */
+ EINA_LIST_FOREACH(wd->touched, l, p)
+ { /* Device of other finger <> pe device */
+ if (p->device != pe->device)
+ break;
+ }
- /* Match this point to previous mouse-move or mouse-down event */
- if (st->rotate_mv.timestamp)
- { /* Compute rotation angle and report to user */
- _get_rotate_properties(st,
- st->rotate_mv.x, st->rotate_mv.y, st->rotate_mv.timestamp,
- st->rotate_mv1.x, st->rotate_mv1.y, st->rotate_mv1.timestamp,
- &st->info.angle);
- break;
- }
+ if (!p)
+ return; /* Single finger on touch */
- if (st->rotate_st.timestamp)
- { /* Compute rotation angle and report to user */
- _get_rotate_properties(st,
- st->rotate_st.x, st->rotate_st.y, st->rotate_st.timestamp,
- st->rotate_mv1.x, st->rotate_mv1.y, st->rotate_mv1.timestamp,
- &st->info.angle);
- break;
- }
+ /* Record down fingers */
+ consume_event(wd, event_info, event_type, ev_flag);
+ memcpy(&st->rotate_st, pe, sizeof(Pointer_Event));
+ memcpy(&st->rotate_st1, p, sizeof(Pointer_Event));
+
+ /* Set mv field as well to be ready for MOVE events */
+ memcpy(&st->rotate_mv, pe, sizeof(Pointer_Event));
+ memcpy(&st->rotate_mv1, p, sizeof(Pointer_Event));
+
+ /* Here we have rotate_st, rotate_st1 set, report START */
+ /* Set rotate-base after BOTH down events recorded */
+ /* Compute length of line between fingers rotate start */
+ _get_rotate_properties(st,
+ st->rotate_st.x, st->rotate_st.y,
+ st->rotate_st.timestamp,
+ st->rotate_st1.x, st->rotate_st1.y,
+ st->rotate_st1.timestamp, &st->info.base_angle);
+
+ ev_flag = _set_state(gesture, ELM_GESTURE_STATE_START,
+ &st->info, EINA_FALSE);
+ consume_event(wd, event_info, event_type, ev_flag);
- return;
+ return; /* Rotate started */
+ } /* End of ROTATE_START handling */
+
+
+ /* if we got here, we have (exacally) two fingers on surfce */
+ /* we also after START, report MOVE */
+ /* First detect which finger moved */
+ if (pe->device == st->rotate_mv.device)
+ memcpy(&st->rotate_mv, pe, sizeof(Pointer_Event));
+ else if (pe->device == st->rotate_mv1.device)
+ memcpy(&st->rotate_mv1, pe, sizeof(Pointer_Event));
+
+ /* Compute change in rotate as fingers move */
+ _get_rotate_properties(st,
+ st->rotate_mv.x, st->rotate_mv.y,
+ st->rotate_mv.timestamp,
+ st->rotate_mv1.x, st->rotate_mv1.y,
+ st->rotate_mv1.timestamp, &st->info.angle);
+
+ if (rotation_broke_tolerance(st))
+ { /* Rotation broke tolerance, report move */
+ double d = st->info.angle - st->next_step;
+ if (d < 0.0)
+ d = (-d);
+
+ if (d >= wd->rotate_step)
+ { /* Report move in steps */
+ st->next_step = st->info.angle;
+
+ ev_flag = _set_state(gesture,
+ ELM_GESTURE_STATE_MOVE, &st->info, EINA_TRUE);
+ consume_event(wd, event_info, event_type, ev_flag);
+ }
+ } /* End of ROTATE_MOVE handling */
- case EVAS_CALLBACK_MULTI_DOWN:
- consume_event(wd, event_info, event_type, ev_flag);
- memcpy(&st->rotate_st1, pe, sizeof(Pointer_Event));
- _get_rotate_properties(st,
- st->rotate_st.x, st->rotate_st.y, st->rotate_st.timestamp,
- st->rotate_st1.x, st->rotate_st1.y, st->rotate_st1.timestamp,
- &st->info.angle);
- break;
+ return;
+ }
case EVAS_CALLBACK_MOUSE_UP:
case EVAS_CALLBACK_MULTI_UP:
return;
default:
- return;
- }
-
- if ((event_type == EVAS_CALLBACK_MOUSE_MOVE) ||
- (event_type == EVAS_CALLBACK_MULTI_MOVE))
- { /* Report MOVE or ABORT for *MOVE event */
- if (rotation_broke_tolerance(st))
- { /* Rotation broke tolerance, report move */
- double d = st->info.angle - st->next_step;
- if (d < 0.0)
- d = (-d);
-
- if (d >= wd->rotate_step)
- { /* Report move in steps */
- st->next_step = st->info.angle;
-
- ev_flag = _set_state(gesture,
- ELM_GESTURE_STATE_MOVE, &st->info, EINA_TRUE);
- consume_event(wd, event_info, event_type, ev_flag);
- }
- }
-
- return;
- }
-
- if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
- (event_type == EVAS_CALLBACK_MULTI_DOWN))
- {
- if ((st->rotate_st.timestamp) && (st->rotate_st1.timestamp))
- { /* two-fingers on touch screen - report rotate start */
- /* Set base angle, then report start. */
- _get_rotate_properties(st,
- st->rotate_st.x, st->rotate_st.y, st->rotate_st.timestamp,
- st->rotate_st1.x, st->rotate_st1.y, st->rotate_st1.timestamp,
- &st->info.base_angle);
-
- ev_flag = _set_state(gesture, ELM_GESTURE_STATE_START,
- &st->info, EINA_FALSE);
- consume_event(wd, event_info, event_type, ev_flag);
- }
- }
-
- return;
+ return;
+ }
}
/**
SET_TEST_BIT(g);
}
-
g = wd->gesture[ELM_GESTURE_ROTATE];
rotate = (g) ? ((states_reset) | ((g->state != ELM_GESTURE_STATE_START)
&& (g->state != ELM_GESTURE_STATE_MOVE))) : EINA_FALSE;
_set_state(g, ELM_GESTURE_STATE_UNDEFINED, NULL, EINA_FALSE);
SET_TEST_BIT(g);
}
-
- Eina_List *l;
- Pointer_Event *p;
- EINA_LIST_FOREACH(wd->recent_device_event, l, p)
- { /* Generate a DOWN event */
- Evas_Callback_Type e_type = p->event_type;
- if(p->event_type == EVAS_CALLBACK_MULTI_MOVE)
- e_type = EVAS_CALLBACK_MULTI_DOWN;
- else
- if(p->event_type == EVAS_CALLBACK_MOUSE_MOVE)
- e_type = EVAS_CALLBACK_MOUSE_DOWN;
-
-
- if (n_lines && (IS_TESTED(ELM_GESTURE_N_LINES)))
- _n_line_test(data, p, NULL, e_type, ELM_GESTURE_N_LINES);
-
- if (n_flicks && (IS_TESTED(ELM_GESTURE_N_FLICKS)))
- _n_line_test(data, p, NULL, e_type, ELM_GESTURE_N_FLICKS);
-
- if (zoom && (IS_TESTED(ELM_GESTURE_ZOOM)))
- _zoom_test(data, p, NULL, e_type, ELM_GESTURE_ZOOM);
-
- if (rotate && (IS_TESTED(ELM_GESTURE_ROTATE)))
- _rotate_test(data, p, NULL, e_type, ELM_GESTURE_ROTATE);
- }
}
/**
/* Log event to restart gestures */
wd->recent_device_event = _add_recent_device_event(wd->recent_device_event, &_pe);
- /* we maintain list of touched devices*/
+ /* we maintain list of touched devices */
+ /* We also use move to track current device x.y pos */
if ((event_type == EVAS_CALLBACK_MOUSE_DOWN) ||
- (event_type == EVAS_CALLBACK_MULTI_DOWN))
+ (event_type == EVAS_CALLBACK_MULTI_DOWN) ||
+ (event_type == EVAS_CALLBACK_MOUSE_MOVE) ||
+ (event_type == EVAS_CALLBACK_MULTI_MOVE))
{
wd->touched = _add_touched_device(wd->touched, pe);
}
projects / framework / uifw / elementary.git / commitdiff