1 #include <Elementary.h>
3 #include "els_scroller.h"
6 #define SMART_NAME "els_scroller"
7 #define API_ENTRY Smart_Data *sd; sd = evas_object_smart_data_get(obj); if ((!obj) || (!sd) || (evas_object_type_get(obj) && strcmp(evas_object_type_get(obj), SMART_NAME)))
8 #define INTERNAL_ENTRY Smart_Data *sd; sd = evas_object_smart_data_get(obj); if (!sd) return;
9 typedef struct _Smart_Data Smart_Data;
16 Evas_Coord x, y, w, h;
17 Evas_Coord wx, wy, ww, wh; /* Last "wanted" geometry */
19 Evas_Object *smart_obj;
20 Evas_Object *child_obj;
22 Evas_Object *edje_obj;
23 Evas_Object *event_obj;
27 Elm_Smart_Scroller_Policy hbar_flags, vbar_flags;
41 double timestamp, localtimestamp;
44 double tadd, dxsum, dysum;
45 double est_timestamp_diff;
50 double onhold_vx, onhold_vy, onhold_tlast, onhold_vxe, onhold_vye;
52 Evas_Coord hold_x, hold_y;
53 Ecore_Animator *hold_animator;
54 Ecore_Animator *onhold_animator;
55 Ecore_Animator *momentum_animator;
56 Ecore_Animator *bounce_x_animator;
57 Ecore_Animator *bounce_y_animator;
58 Evas_Coord locked_x, locked_y;
60 unsigned char now : 1;
61 unsigned char cancelled : 1;
62 unsigned char hold : 1;
63 unsigned char hold_parent : 1;
64 unsigned char want_dragged : 1;
65 unsigned char dragged : 1;
66 unsigned char dragged_began : 1;
67 unsigned char dir_x : 1;
68 unsigned char dir_y : 1;
69 unsigned char locked : 1;
70 unsigned char bounce_x_hold : 1;
71 unsigned char bounce_y_hold : 1;
72 unsigned char scroll : 1;
77 Eina_Bool resized : 1;
84 void (*set) (Evas_Object *obj, Evas_Coord x, Evas_Coord y);
85 void (*get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y);
86 void (*max_get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y);
87 void (*min_get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y);
88 void (*child_size_get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y);
89 void (*gravity_set) (Evas_Object *obj, double x, double y);
90 void (*gravity_get) (Evas_Object *obj, double *x, double *y);
95 Evas_Coord start, end;
96 double t_start, t_end;
97 Ecore_Animator *animator;
101 double pagerel_h, pagerel_v;
102 Evas_Coord pagesize_h, pagesize_v;
104 unsigned char hbar_visible : 1;
105 unsigned char vbar_visible : 1;
106 unsigned char extern_pan : 1;
107 unsigned char one_dir_at_a_time : 1;
108 unsigned char hold : 1;
109 unsigned char freeze : 1;
110 unsigned char bouncemex : 1;
111 unsigned char bouncemey : 1;
112 unsigned char bounce_horiz : 1;
113 unsigned char bounce_vert : 1;
114 Eina_Bool momentum_animator_disabled :1;
115 Eina_Bool bounce_animator_disabled :1;
116 Eina_Bool is_mirrored : 1;
117 Eina_Bool wheel_disabled : 1;
120 /* local subsystem functions */
121 static void _smart_child_del_hook(void *data, Evas *e, Evas_Object *obj, void *event_info);
122 static void _smart_pan_changed_hook(void *data, Evas_Object *obj, void *event_info);
123 static void _smart_pan_pan_changed_hook(void *data, Evas_Object *obj, void *event_info);
124 static void _smart_event_wheel(void *data, Evas *e, Evas_Object *obj, void *event_info);
125 static void _smart_event_mouse_down(void *data, Evas *e, Evas_Object *obj, void *event_info);
126 static Eina_Bool _smart_hold_animator(void *data);
127 static Eina_Bool _smart_momentum_animator(void *data);
128 static void _smart_event_mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
129 static Eina_Bool _smart_onhold_animator(void *data);
130 static void _smart_event_mouse_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
131 static void _smart_edje_drag_v_start(void *data, Evas_Object *obj, const char *emission, const char *source);
132 static void _smart_edje_drag_v_stop(void *data, Evas_Object *obj, const char *emission, const char *source);
133 static void _smart_edje_drag_v(void *data, Evas_Object *obj, const char *emission, const char *source);
134 static void _smart_edje_drag_h_start(void *data, Evas_Object *obj, const char *emission, const char *source);
135 static void _smart_edje_drag_h_stop(void *data, Evas_Object *obj, const char *emission, const char *source);
136 static void _smart_edje_drag_h(void *data, Evas_Object *obj, const char *emission, const char *source);
137 static void _smart_scrollbar_read(Smart_Data *sd);
138 static void _smart_scrollbar_reset(Smart_Data *sd);
139 static int _smart_scrollbar_bar_h_visibility_adjust(Smart_Data *sd);
140 static int _smart_scrollbar_bar_v_visibility_adjust(Smart_Data *sd);
141 static void _smart_scrollbar_bar_visibility_adjust(Smart_Data *sd);
142 static void _smart_scrollbar_size_adjust(Smart_Data *sd);
143 static void _smart_reconfigure(Smart_Data *sd);
144 static void _smart_add(Evas_Object *obj);
145 static void _smart_del(Evas_Object *obj);
146 static void _smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y);
147 static void _smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h);
148 static void _smart_show(Evas_Object *obj);
149 static void _smart_hide(Evas_Object *obj);
150 static void _smart_color_set(Evas_Object *obj, int r, int g, int b, int a);
151 static void _smart_clip_set(Evas_Object *obj, Evas_Object *clip);
152 static void _smart_clip_unset(Evas_Object *obj);
153 static void _smart_init(void);
155 static void _elm_smart_scroller_wanted_region_set(Evas_Object *obj);
157 /* local subsystem globals */
158 static Evas_Smart *_smart = NULL;
160 /* externally accessible functions */
162 elm_smart_scroller_add(Evas *evas)
165 return evas_object_smart_add(evas, _smart);
169 _elm_smart_scroller_x_mirrored_get(Evas_Object *obj, Evas_Coord x)
173 Evas_Coord cw, ch, w, ret;
174 elm_smart_scroller_child_viewport_size_get(obj, &w, NULL);
175 sd->pan_func.child_size_get(sd->pan_obj, &cw, &ch);
176 ret = (cw - (x + w));
177 return (ret >= 0) ? ret : 0;
181 elm_smart_scroller_mirrored_set(Evas_Object *obj, Eina_Bool mirrored)
185 if (sd->is_mirrored == mirrored)
188 sd->is_mirrored = mirrored;
189 edje_object_mirrored_set(sd->edje_obj, mirrored);
192 wx = _elm_smart_scroller_x_mirrored_get(sd->smart_obj, sd->wx);
196 elm_smart_scroller_child_pos_set(sd->smart_obj, wx, sd->wy);
200 elm_smart_scroller_child_set(Evas_Object *obj, Evas_Object *child)
208 _elm_smart_pan_child_set(sd->pan_obj, NULL);
209 evas_object_event_callback_del_full(sd->child_obj, EVAS_CALLBACK_DEL, _smart_child_del_hook, sd);
212 sd->child_obj = child;
214 /* (-1) means want viewports size */
215 sd->ww = sd->wh = -1;
220 o = _elm_smart_pan_add(evas_object_evas_get(obj));
222 evas_object_smart_callback_add(o, "changed", _smart_pan_changed_hook, sd);
223 evas_object_smart_callback_add(o, "pan_changed", _smart_pan_pan_changed_hook, sd);
224 edje_object_part_swallow(sd->edje_obj, "elm.swallow.content", o);
227 sd->pan_func.set = _elm_smart_pan_set;
228 sd->pan_func.get = _elm_smart_pan_get;
229 sd->pan_func.max_get = _elm_smart_pan_max_get;
230 sd->pan_func.min_get = _elm_smart_pan_min_get;
231 sd->pan_func.child_size_get = _elm_smart_pan_child_size_get;
232 sd->pan_func.gravity_set = _elm_smart_pan_gravity_set;
233 sd->pan_func.gravity_get = _elm_smart_pan_gravity_get;
235 evas_object_event_callback_add(child, EVAS_CALLBACK_DEL, _smart_child_del_hook, sd);
236 _elm_smart_pan_child_set(sd->pan_obj, child);
237 sd->pan_func.child_size_get(sd->pan_obj, &w, &h);
240 _smart_scrollbar_size_adjust(sd);
241 _smart_scrollbar_reset(sd);
245 elm_smart_scroller_extern_pan_set(Evas_Object *obj, Evas_Object *pan,
246 void (*pan_set) (Evas_Object *obj, Evas_Coord x, Evas_Coord y),
247 void (*pan_get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y),
248 void (*pan_max_get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y),
249 void (*pan_min_get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y),
250 void (*pan_child_size_get) (Evas_Object *obj, Evas_Coord *x, Evas_Coord *y))
254 elm_smart_scroller_child_set(obj, NULL);
258 evas_object_smart_callback_del(sd->pan_obj, "changed", _smart_pan_changed_hook);
259 evas_object_smart_callback_del(sd->pan_obj, "pan_changed", _smart_pan_pan_changed_hook);
266 edje_object_part_unswallow(sd->edje_obj, sd->pan_obj);
274 evas_object_del(sd->pan_obj);
285 sd->pan_func.set = pan_set;
286 sd->pan_func.get = pan_get;
287 sd->pan_func.max_get = pan_max_get;
288 sd->pan_func.min_get = pan_min_get;
289 sd->pan_func.child_size_get = pan_child_size_get;
290 sd->pan_func.gravity_set = _elm_smart_pan_gravity_set;
291 sd->pan_func.gravity_get = _elm_smart_pan_gravity_get;
293 evas_object_smart_callback_add(sd->pan_obj, "changed", _smart_pan_changed_hook, sd);
294 evas_object_smart_callback_add(sd->pan_obj, "pan_changed", _smart_pan_pan_changed_hook, sd);
295 edje_object_part_swallow(sd->edje_obj, "elm.swallow.content", sd->pan_obj);
296 evas_object_show(sd->pan_obj);
300 elm_smart_scroller_custom_edje_file_set(Evas_Object *obj, char *file, char *group)
304 edje_object_file_set(sd->edje_obj, file, group);
306 edje_object_part_swallow(sd->edje_obj, "elm.swallow.content", sd->pan_obj);
307 sd->vbar_visible = !sd->vbar_visible;
308 sd->hbar_visible = !sd->hbar_visible;
309 _smart_scrollbar_bar_visibility_adjust(sd);
310 if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_ON)
311 edje_object_signal_emit(sd->edje_obj, "elm,action,show_always,hbar", "elm");
312 else if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_OFF)
313 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,hbar", "elm");
315 edje_object_signal_emit(sd->edje_obj, "elm,action,show_notalways,hbar", "elm");
316 if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_ON)
317 edje_object_signal_emit(sd->edje_obj, "elm,action,show_always,vbar", "elm");
318 else if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_OFF)
319 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,vbar", "elm");
321 edje_object_signal_emit(sd->edje_obj, "elm,action,show_notalways,vbar", "elm");
325 elm_smart_scroller_momentum_animator_disabled_get(Evas_Object *obj)
327 API_ENTRY return EINA_FALSE;
328 return sd->momentum_animator_disabled;
332 elm_smart_scroller_momentum_animator_disabled_set(Evas_Object *obj, Eina_Bool disabled)
335 sd->momentum_animator_disabled = disabled;
336 if (sd->momentum_animator_disabled)
338 if (sd->down.momentum_animator)
340 ecore_animator_del(sd->down.momentum_animator);
341 sd->down.momentum_animator = NULL;
342 if (sd->child.resized)
343 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
349 elm_smart_scroller_bounce_animator_disabled_get(Evas_Object *obj)
351 API_ENTRY return EINA_FALSE;
352 return sd->bounce_animator_disabled;
356 elm_smart_scroller_bounce_animator_disabled_set(Evas_Object *obj, Eina_Bool disabled)
359 sd->bounce_animator_disabled = disabled;
360 if (sd->bounce_animator_disabled)
362 if (sd->scrollto.x.animator)
364 ecore_animator_del(sd->scrollto.x.animator);
365 sd->scrollto.x.animator = NULL;
368 if (sd->scrollto.y.animator)
370 ecore_animator_del(sd->scrollto.y.animator);
371 sd->scrollto.y.animator = NULL;
377 elm_smart_scroller_wheel_disabled_get(Evas_Object *obj)
379 API_ENTRY return EINA_FALSE;
380 return sd->wheel_disabled;
384 elm_smart_scroller_wheel_disabled_set(Evas_Object *obj, Eina_Bool disabled)
387 if ((!sd->wheel_disabled) && (disabled))
388 evas_object_event_callback_del_full(sd->event_obj, EVAS_CALLBACK_MOUSE_WHEEL, _smart_event_wheel, sd);
389 else if ((sd->wheel_disabled) && (!disabled))
390 evas_object_event_callback_add(sd->event_obj, EVAS_CALLBACK_MOUSE_WHEEL, _smart_event_wheel, sd);
391 sd->wheel_disabled = disabled;
394 /* Update the wanted coordinates according to the x, y passed
395 * widget directionality, child size and etc. */
397 _update_wanted_coordinates(Smart_Data *sd, Evas_Coord x, Evas_Coord y)
401 sd->pan_func.child_size_get(sd->pan_obj, &cw, &ch);
403 /* Update wx/y/w/h - and if the requested positions aren't legal
405 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &sd->ww, &sd->wh);
408 else if ((x + sd->ww) > cw)
409 sd->wx = cw - sd->ww;
410 else if (sd->is_mirrored)
411 sd->wx = _elm_smart_scroller_x_mirrored_get(sd->smart_obj, x);
414 if (y < 0) sd->wy = 0;
415 else if ((y + sd->wh) > ch) sd->wy = ch - sd->wh;
420 _smart_anim_start(Evas_Object *obj)
422 evas_object_smart_callback_call(obj, "animate,start", NULL);
426 _smart_anim_stop(Evas_Object *obj)
428 evas_object_smart_callback_call(obj, "animate,stop", NULL);
432 _smart_drag_start(Evas_Object *obj)
434 evas_object_smart_callback_call(obj, "drag,start", NULL);
438 _smart_drag_stop(Evas_Object *obj)
440 evas_object_smart_callback_call(obj, "drag,stop", NULL);
444 _smart_scrollto_x_animator(void *data)
446 Smart_Data *sd = data;
450 t = ecore_loop_time_get();
451 tt = (t - sd->scrollto.x.t_start) / (sd->scrollto.x.t_end - sd->scrollto.x.t_start);
453 tt = 1.0 - (tt * tt);
454 sd->pan_func.get(sd->pan_obj, &px, &py);
455 px = (sd->scrollto.x.start * (1.0 - tt)) +
456 (sd->scrollto.x.end * tt);
457 if (t >= sd->scrollto.x.t_end)
459 px = sd->scrollto.x.end;
460 elm_smart_scroller_child_pos_set(sd->smart_obj, px, py);
461 _update_wanted_coordinates(sd, px, py);
462 sd->scrollto.x.animator = NULL;
463 if ((!sd->scrollto.y.animator) && (!sd->down.bounce_y_animator))
464 _smart_anim_stop(sd->smart_obj);
465 return ECORE_CALLBACK_CANCEL;
467 elm_smart_scroller_child_pos_set(sd->smart_obj, px, py);
468 _update_wanted_coordinates(sd, px, py);
469 return ECORE_CALLBACK_RENEW;
473 _smart_momentum_end(Smart_Data *sd)
475 if ((sd->down.bounce_x_animator) || (sd->down.bounce_y_animator)) return;
476 if (sd->down.momentum_animator)
479 elm_smart_scroller_child_pos_get(sd->smart_obj, &px, &py);
480 _update_wanted_coordinates(sd, px, py);
482 ecore_animator_del(sd->down.momentum_animator);
483 sd->down.momentum_animator = NULL;
484 sd->down.bounce_x_hold = 0;
485 sd->down.bounce_y_hold = 0;
492 if (sd->child.resized)
493 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
498 _smart_scrollto_x(Smart_Data *sd, double t_in, Evas_Coord pos_x)
500 Evas_Coord px, py, x, y, w, h;
503 if (sd->freeze) return;
506 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
507 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, &h);
509 elm_smart_scroller_child_region_set(sd->smart_obj, x, y, w, h);
512 t = ecore_loop_time_get();
513 sd->pan_func.get(sd->pan_obj, &px, &py);
514 sd->scrollto.x.start = px;
515 sd->scrollto.x.end = pos_x;
516 sd->scrollto.x.t_start = t;
517 sd->scrollto.x.t_end = t + t_in;
518 if (!sd->scrollto.x.animator)
520 sd->scrollto.x.animator = ecore_animator_add(_smart_scrollto_x_animator, sd);
521 if (!sd->scrollto.y.animator)
522 _smart_anim_start(sd->smart_obj);
524 if (sd->down.bounce_x_animator)
526 ecore_animator_del(sd->down.bounce_x_animator);
527 sd->down.bounce_x_animator = NULL;
528 _smart_momentum_end(sd);
529 if (sd->child.resized)
530 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
536 _smart_scrollto_y_animator(void *data)
538 Smart_Data *sd = data;
542 t = ecore_loop_time_get();
543 tt = (t - sd->scrollto.y.t_start) / (sd->scrollto.y.t_end - sd->scrollto.y.t_start);
545 tt = 1.0 - (tt * tt);
546 sd->pan_func.get(sd->pan_obj, &px, &py);
547 py = (sd->scrollto.y.start * (1.0 - tt)) +
548 (sd->scrollto.y.end * tt);
549 if (t >= sd->scrollto.y.t_end)
551 py = sd->scrollto.y.end;
552 elm_smart_scroller_child_pos_set(sd->smart_obj, px, py);
553 _update_wanted_coordinates(sd, px, py);
554 sd->scrollto.y.animator = NULL;
555 if ((!sd->scrollto.x.animator) && (!sd->down.bounce_x_animator))
556 _smart_anim_stop(sd->smart_obj);
557 return ECORE_CALLBACK_CANCEL;
559 elm_smart_scroller_child_pos_set(sd->smart_obj, px, py);
560 _update_wanted_coordinates(sd, px, py);
562 return ECORE_CALLBACK_RENEW;
566 _smart_scrollto_y(Smart_Data *sd, double t_in, Evas_Coord pos_y)
568 Evas_Coord px, py, x, y, w, h;
571 if (sd->freeze) return;
574 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
575 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, &h);
577 elm_smart_scroller_child_region_set(sd->smart_obj, x, y, w, h);
580 t = ecore_loop_time_get();
581 sd->pan_func.get(sd->pan_obj, &px, &py);
582 sd->scrollto.y.start = py;
583 sd->scrollto.y.end = pos_y;
584 sd->scrollto.y.t_start = t;
585 sd->scrollto.y.t_end = t + t_in;
586 if (!sd->scrollto.y.animator)
588 sd->scrollto.y.animator = ecore_animator_add(_smart_scrollto_y_animator, sd);
589 if (!sd->scrollto.x.animator)
590 _smart_anim_start(sd->smart_obj);
592 if (sd->down.bounce_y_animator)
594 ecore_animator_del(sd->down.bounce_y_animator);
595 sd->down.bounce_y_animator = NULL;
596 _smart_momentum_end(sd);
597 if (sd->child.resized)
598 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
604 _smart_do_page(Smart_Data *sd)
606 if ((sd->pagerel_h == 0.0) && (!sd->pagesize_h) &&
607 (sd->pagerel_v == 0.0) && (!sd->pagesize_v))
613 _smart_page_x_get(Smart_Data *sd, int offset)
615 Evas_Coord x, y, w, h, cw, ch, minx = 0;
617 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
618 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, &h);
619 sd->pan_func.child_size_get(sd->pan_obj, &cw, &ch);
620 sd->pan_func.min_get(sd->pan_obj, &minx, NULL);
624 if (sd->pagerel_h > 0.0)
625 sd->pagesize_h = w * sd->pagerel_h;
626 if (sd->pagesize_h > 0)
628 x = x + (sd->pagesize_h * 0.5);
629 x = x / (sd->pagesize_h);
630 x = x * (sd->pagesize_h);
632 if ((x + w) > cw) x = cw - w;
633 if (x < minx) x = minx;
638 _smart_page_y_get(Smart_Data *sd, int offset)
640 Evas_Coord x, y, w, h, cw, ch, miny = 0;
642 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
643 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, &h);
644 sd->pan_func.child_size_get(sd->pan_obj, &cw, &ch);
645 sd->pan_func.min_get(sd->pan_obj, NULL, &miny);
649 if (sd->pagerel_v > 0.0)
650 sd->pagesize_v = h * sd->pagerel_v;
651 if (sd->pagesize_v > 0)
653 y = y + (sd->pagesize_v * 0.5);
654 y = y / (sd->pagesize_v);
655 y = y * (sd->pagesize_v);
657 if ((y + h) > ch) y = ch - h;
658 if (y < miny) y = miny;
663 _smart_page_adjust(Smart_Data *sd)
665 Evas_Coord x, y, w, h;
667 if (!_smart_do_page(sd)) return;
669 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, &h);
671 x = _smart_page_x_get(sd, 0);
672 y = _smart_page_y_get(sd, 0);
674 elm_smart_scroller_child_region_set(sd->smart_obj, x, y, w, h);
678 _smart_bounce_x_animator(void *data)
681 Evas_Coord x, y, dx, w, odx, ed, md;
682 double t, p, dt, pd, r;
685 t = ecore_loop_time_get();
686 dt = t - sd->down.anim_start2;
689 dt = dt / _elm_config->thumbscroll_bounce_friction;
690 odx = sd->down.b2x - sd->down.bx;
691 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, NULL);
692 if (!sd->down.momentum_animator && (w > abs(odx)))
694 pd = (double)odx / (double)w;
695 pd = (pd > 0) ? pd : -pd;
696 pd = 1.0 - ((1.0 - pd) * (1.0 - pd));
699 if (dt > 1.0) dt = 1.0;
700 p = 1.0 - ((1.0 - dt) * (1.0 - dt));
701 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
704 if (sd->down.momentum_animator)
706 ed = abs(sd->down.dx * (_elm_config->thumbscroll_friction + sd->down.extra_time) - sd->down.b0x);
707 md = abs(_elm_config->thumbscroll_friction * 5 * w);
708 if (ed > md) r = (double)(md)/(double)ed;
710 x = sd->down.b2x + (int)((double)(dx - odx) * r);
711 if (!sd->down.cancelled)
712 elm_smart_scroller_child_pos_set(sd->smart_obj, x, y);
715 if (sd->down.momentum_animator)
716 sd->down.bounce_x_hold = 1;
717 if ((!sd->down.bounce_y_animator) &&
718 (!sd->scrollto.y.animator))
719 _smart_anim_stop(sd->smart_obj);
720 sd->down.bounce_x_animator = NULL;
723 _smart_momentum_end(sd);
724 if (sd->child.resized)
725 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
726 return ECORE_CALLBACK_CANCEL;
729 return ECORE_CALLBACK_RENEW;
733 _smart_bounce_y_animator(void *data)
736 Evas_Coord x, y, dy, h, ody, ed, md;
737 double t, p, dt, pd, r;
740 t = ecore_loop_time_get();
741 dt = t - sd->down.anim_start3;
744 dt = dt / _elm_config->thumbscroll_bounce_friction;
745 ody = sd->down.b2y - sd->down.by;
746 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, NULL, &h);
747 if (!sd->down.momentum_animator && (h > abs(ody)))
749 pd = (double)ody / (double)h;
750 pd = (pd > 0) ? pd : -pd;
751 pd = 1.0 - ((1.0 - pd) * (1.0 - pd));
754 if (dt > 1.0) dt = 1.0;
755 p = 1.0 - ((1.0 - dt) * (1.0 - dt));
756 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
759 if (sd->down.momentum_animator)
761 ed = abs(sd->down.dy * (_elm_config->thumbscroll_friction + sd->down.extra_time) - sd->down.b0y);
762 md = abs(_elm_config->thumbscroll_friction * 5 * h);
763 if (ed > md) r = (double)(md)/(double)ed;
765 y = sd->down.b2y + (int)((double)(dy - ody) * r);
766 if (!sd->down.cancelled)
767 elm_smart_scroller_child_pos_set(sd->smart_obj, x, y);
770 if (sd->down.momentum_animator)
771 sd->down.bounce_y_hold = 1;
772 if ((!sd->down.bounce_x_animator) &&
773 (!sd->scrollto.y.animator))
774 _smart_anim_stop(sd->smart_obj);
775 sd->down.bounce_y_animator = NULL;
778 _smart_momentum_end(sd);
779 if (sd->child.resized)
780 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
781 return ECORE_CALLBACK_CANCEL;
784 return ECORE_CALLBACK_RENEW;
792 can_scroll(Smart_Data *sd, int dir)
794 Evas_Coord mx = 0, my = 0, px = 0, py = 0, minx = 0, miny = 0;
796 sd->pan_func.max_get(sd->pan_obj, &mx, &my);
797 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
798 sd->pan_func.get(sd->pan_obj, &px, &py);
802 if (px > minx) return EINA_TRUE;
805 if ((px - minx) < mx) return EINA_TRUE;
808 if (py > miny) return EINA_TRUE;
811 if ((py - miny) < my) return EINA_TRUE;
820 _smart_momentum_animator(void *data)
824 Evas_Coord x, y, dx, dy, px, py, maxx, maxy, minx, miny;
825 Eina_Bool no_bounce_x_end = EINA_FALSE, no_bounce_y_end = EINA_FALSE;
828 t = ecore_loop_time_get();
829 dt = t - sd->down.anim_start;
833 if (sd->down.hold_parent)
835 if ((sd->down.dir_x) && !can_scroll(sd, sd->down.hdir))
839 if ((sd->down.dir_y) && !can_scroll(sd, sd->down.vdir))
844 if ((!sd->down.dir_x) && (!sd->down.dir_y))
846 sd->down.cancelled = 1;
849 dt = dt / (_elm_config->thumbscroll_friction + sd->down.extra_time);
850 if (dt > 1.0) dt = 1.0;
851 p = 1.0 - ((1.0 - dt) * (1.0 - dt));
852 dx = (sd->down.dx * (_elm_config->thumbscroll_friction + sd->down.extra_time) * p);
853 dy = (sd->down.dy * (_elm_config->thumbscroll_friction + sd->down.extra_time) * p);
856 x = sd->down.sx - dx;
857 y = sd->down.sy - dy;
858 elm_smart_scroller_child_pos_get(sd->smart_obj, &px, &py);
859 if ((sd->down.bounce_x_animator) ||
860 (sd->down.bounce_x_hold))
862 sd->down.bx = sd->down.bx0 - dx + sd->down.b0x;
865 if ((sd->down.bounce_y_animator) ||
866 (sd->down.bounce_y_hold))
868 sd->down.by = sd->down.by0 - dy + sd->down.b0y;
871 elm_smart_scroller_child_pos_set(sd->smart_obj, x, y);
872 _update_wanted_coordinates(sd, x, y);
873 sd->pan_func.max_get(sd->pan_obj, &maxx, &maxy);
874 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
875 if (!sd->bounce_horiz)
877 if (x <= minx) no_bounce_x_end = EINA_TRUE;
878 if ((x - minx) >= maxx) no_bounce_x_end = EINA_TRUE;
880 if (!sd->bounce_vert)
882 if (y <= miny) no_bounce_y_end = EINA_TRUE;
883 if ((y - miny) >= maxy) no_bounce_y_end = EINA_TRUE;
886 ((sd->down.bounce_x_hold) && (sd->down.bounce_y_hold)) ||
887 (no_bounce_x_end && no_bounce_y_end))
889 _smart_anim_stop(sd->smart_obj);
891 sd->down.momentum_animator = NULL;
892 sd->down.bounce_x_hold = 0;
893 sd->down.bounce_y_hold = 0;
898 if (sd->child.resized)
899 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
900 return ECORE_CALLBACK_CANCEL;
903 return ECORE_CALLBACK_RENEW;
907 bounce_eval(Smart_Data *sd)
909 Evas_Coord mx, my, px, py, bx, by, b2x, b2y, minx = 0, miny = 0;
911 if (sd->freeze) return;
912 if ((!sd->bouncemex) && (!sd->bouncemey)) return;
913 if (sd->down.now) return; // down bounce while still held down
914 if (sd->down.onhold_animator)
916 ecore_animator_del(sd->down.onhold_animator);
917 sd->down.onhold_animator = NULL;
918 if (sd->child.resized)
919 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
921 if (sd->down.hold_animator)
923 ecore_animator_del(sd->down.hold_animator);
924 sd->down.hold_animator = NULL;
925 if (sd->child.resized)
926 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
928 sd->pan_func.max_get(sd->pan_obj, &mx, &my);
929 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
930 sd->pan_func.get(sd->pan_obj, &px, &py);
933 if (px < minx) px = minx;
934 if ((px - minx) > mx) px = mx + minx;
935 if (py < miny) py = miny;
936 if ((py - miny) > my) py = my + miny;
940 (!elm_widget_drag_child_locked_x_get(sd->widget)))
942 if ((!sd->down.bounce_x_animator) && (!sd->bounce_animator_disabled))
946 if (sd->scrollto.x.animator)
948 ecore_animator_del(sd->scrollto.x.animator);
949 sd->scrollto.x.animator = NULL;
951 sd->down.bounce_x_animator = ecore_animator_add(_smart_bounce_x_animator, sd);
952 sd->down.anim_start2 = ecore_loop_time_get();
956 if (sd->down.momentum_animator) sd->down.b0x = sd->down.ax;
957 else sd->down.b0x = 0;
962 (!elm_widget_drag_child_locked_y_get(sd->widget)))
964 if ((!sd->down.bounce_y_animator) && (!sd->bounce_animator_disabled))
968 if (sd->scrollto.y.animator)
970 ecore_animator_del(sd->scrollto.y.animator);
971 sd->scrollto.y.animator = NULL;
973 sd->down.bounce_y_animator = ecore_animator_add(_smart_bounce_y_animator, sd);
974 sd->down.anim_start3 = ecore_loop_time_get();
978 if (sd->down.momentum_animator) sd->down.b0y = sd->down.ay;
979 else sd->down.b0y = 0;
986 elm_smart_scroller_child_pos_set(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
988 Evas_Coord mx = 0, my = 0, px = 0, py = 0, minx = 0, miny = 0;
992 // FIXME: allow for bounce outside of range
993 sd->pan_func.max_get(sd->pan_obj, &mx, &my);
994 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
995 if (mx > 0) vx = (double)(x - minx) / (double)mx;
997 if (vx < 0.0) vx = 0.0;
998 else if (vx > 1.0) vx = 1.0;
999 if (my > 0) vy = (double)(y - miny) / (double)my;
1001 if (vy < 0.0) vy = 0.0;
1002 else if (vy > 1.0) vy = 1.0;
1003 edje_object_part_drag_value_set(sd->edje_obj, "elm.dragable.vbar", 0.0, vy);
1004 edje_object_part_drag_value_set(sd->edje_obj, "elm.dragable.hbar", vx, 0.0);
1005 sd->pan_func.get(sd->pan_obj, &px, &py);
1006 if (!_elm_config->thumbscroll_bounce_enable)
1008 if (x < minx) x = minx;
1009 if ((x - minx) > mx) x = mx + minx;
1010 if (y < miny) y = miny;
1011 if ((y - miny) > my) y = my + miny;
1014 if (!sd->bounce_horiz)
1016 if (x < minx) x = minx;
1017 if ((x - minx) > mx) x = mx + minx;
1019 if (!sd->bounce_vert)
1021 if (y < miny) y = miny;
1022 if (y - miny > my) y = my + miny;
1025 sd->pan_func.set(sd->pan_obj, x, y);
1026 if ((px != x) || (py != y))
1027 edje_object_signal_emit(sd->edje_obj, "elm,action,scroll", "elm");
1028 if (!sd->down.bounce_x_animator)
1030 if (((x < minx) && (0 <= sd->down.dx)) ||
1031 ((x > (mx + minx)) && (0 >= sd->down.dx)))
1039 if (!sd->down.bounce_y_animator)
1041 if (((y < miny) && (0 <= sd->down.dy)) ||
1042 ((y > (my + miny)) && (0 >= sd->down.dy)))
1050 if ((x != px) || (y != py))
1052 evas_object_smart_callback_call(obj, "scroll", NULL);
1054 if ((x != px)/* && (!sd->bouncemex)*/)
1057 evas_object_smart_callback_call(obj, "edge,left", NULL);
1058 if (x == (mx + minx))
1059 evas_object_smart_callback_call(obj, "edge,right", NULL);
1061 if ((y != py)/* && (!sd->bouncemey)*/)
1064 evas_object_smart_callback_call(obj, "edge,top", NULL);
1066 evas_object_smart_callback_call(obj, "edge,bottom", NULL);
1071 elm_smart_scroller_child_pos_get(Evas_Object *obj, Evas_Coord *x, Evas_Coord *y)
1074 sd->pan_func.get(sd->pan_obj, x, y);
1077 /* returns TRUE when we need to move the scroller, FALSE otherwise.
1078 * Updates w and h either way, so save them if you need them. */
1080 _elm_smart_scroller_child_region_show_internal(Evas_Object *obj, Evas_Coord *_x, Evas_Coord *_y, Evas_Coord w, Evas_Coord h)
1082 Evas_Coord mx = 0, my = 0, cw = 0, ch = 0, px = 0, py = 0, nx, ny, minx = 0, miny = 0, pw = 0, ph = 0, x = *_x, y = *_y;
1084 API_ENTRY return EINA_FALSE;
1085 sd->pan_func.max_get(sd->pan_obj, &mx, &my);
1086 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
1087 sd->pan_func.child_size_get(sd->pan_obj, &cw, &ch);
1088 sd->pan_func.get(sd->pan_obj, &px, &py);
1089 evas_object_geometry_get(sd->pan_obj, NULL, NULL, &pw, &ph);
1092 if ((x < px) && ((x + w) < (px + (cw - mx)))) nx = x;
1093 else if ((x > px) && ((x + w) > (px + (cw - mx)))) nx = x + w - (cw - mx);
1095 if ((y < py) && ((y + h) < (py + (ch - my)))) ny = y;
1096 else if ((y > py) && ((y + h) > (py + (ch - my)))) ny = y + h - (ch - my);
1098 if ((sd->down.bounce_x_animator) || (sd->down.bounce_y_animator) ||
1099 (sd->scrollto.x.animator) || (sd->scrollto.y.animator))
1101 _smart_anim_stop(sd->smart_obj);
1103 if (sd->scrollto.x.animator)
1105 ecore_animator_del(sd->scrollto.x.animator);
1106 sd->scrollto.x.animator = NULL;
1108 if (sd->scrollto.y.animator)
1110 ecore_animator_del(sd->scrollto.y.animator);
1111 sd->scrollto.y.animator = NULL;
1113 if (sd->down.bounce_x_animator)
1115 ecore_animator_del(sd->down.bounce_x_animator);
1116 sd->down.bounce_x_animator = NULL;
1118 if (sd->child.resized)
1119 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1121 if (sd->down.bounce_y_animator)
1123 ecore_animator_del(sd->down.bounce_y_animator);
1124 sd->down.bounce_y_animator = NULL;
1126 if (sd->child.resized)
1127 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1129 if (sd->down.hold_animator)
1131 ecore_animator_del(sd->down.hold_animator);
1132 sd->down.hold_animator = NULL;
1133 _smart_drag_stop(sd->smart_obj);
1134 if (sd->child.resized)
1135 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1137 if (sd->down.momentum_animator)
1139 ecore_animator_del(sd->down.momentum_animator);
1140 sd->down.momentum_animator = NULL;
1141 sd->down.bounce_x_hold = 0;
1142 sd->down.bounce_y_hold = 0;
1147 if (sd->child.resized)
1148 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1152 if ((x + pw) > cw) x = cw - pw;
1153 if (x < minx) x = minx;
1155 if ((y + ph) > ch) y = ch - ph;
1156 if (y < miny) y = miny;
1158 if ((x == px) && (y == py)) return EINA_FALSE;
1164 /* Set should be used for calculated positions, for example, when we move
1165 * because of an animation or because this is the correct position after
1168 elm_smart_scroller_child_region_set(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
1170 if (_elm_smart_scroller_child_region_show_internal(obj, &x, &y, w, h))
1171 elm_smart_scroller_child_pos_set(obj, x, y);
1174 /* Set should be used for setting the wanted position, for example a user scroll
1175 * or moving the cursor in an entry. */
1177 elm_smart_scroller_child_region_show(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
1184 if (_elm_smart_scroller_child_region_show_internal(obj, &x, &y, w, h))
1185 elm_smart_scroller_child_pos_set(obj, x, y);
1189 elm_smart_scroller_child_viewport_size_get(Evas_Object *obj, Evas_Coord *w, Evas_Coord *h)
1192 if (!sd->pan_obj) return;
1193 edje_object_calc_force(sd->edje_obj);
1194 evas_object_geometry_get(sd->pan_obj, NULL, NULL, w, h);
1198 elm_smart_scroller_step_size_set(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
1205 _smart_scrollbar_size_adjust(sd);
1209 elm_smart_scroller_step_size_get(Evas_Object *obj, Evas_Coord *x, Evas_Coord *y)
1212 if (x) *x = sd->step.x;
1213 if (y) *y = sd->step.y;
1217 elm_smart_scroller_page_size_set(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
1222 _smart_scrollbar_size_adjust(sd);
1226 elm_smart_scroller_page_size_get(Evas_Object *obj, Evas_Coord *x, Evas_Coord *y)
1229 if (x) *x = sd->page.x;
1230 if (y) *y = sd->page.y;
1234 elm_smart_scroller_policy_set(Evas_Object *obj, Elm_Smart_Scroller_Policy hbar, Elm_Smart_Scroller_Policy vbar)
1237 if ((sd->hbar_flags == hbar) && (sd->vbar_flags == vbar)) return;
1238 sd->hbar_flags = hbar;
1239 sd->vbar_flags = vbar;
1240 if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_ON)
1241 edje_object_signal_emit(sd->edje_obj, "elm,action,show_always,hbar", "elm");
1242 else if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_OFF)
1243 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,hbar", "elm");
1245 edje_object_signal_emit(sd->edje_obj, "elm,action,show_notalways,hbar", "elm");
1246 if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_ON)
1247 edje_object_signal_emit(sd->edje_obj, "elm,action,show_always,vbar", "elm");
1248 else if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_OFF)
1249 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,vbar", "elm");
1251 edje_object_signal_emit(sd->edje_obj, "elm,action,show_notalways,vbar", "elm");
1252 _smart_scrollbar_size_adjust(sd);
1256 elm_smart_scroller_policy_get(Evas_Object *obj, Elm_Smart_Scroller_Policy *hbar, Elm_Smart_Scroller_Policy *vbar)
1259 if (hbar) *hbar = sd->hbar_flags;
1260 if (vbar) *vbar = sd->vbar_flags;
1264 elm_smart_scroller_edje_object_get(Evas_Object *obj)
1266 API_ENTRY return NULL;
1267 return sd->edje_obj;
1271 elm_smart_scroller_single_dir_set(Evas_Object *obj, Eina_Bool single_dir)
1274 sd->one_dir_at_a_time = single_dir;
1278 elm_smart_scroller_single_dir_get(Evas_Object *obj)
1280 API_ENTRY return EINA_FALSE;
1281 return sd->one_dir_at_a_time;
1285 elm_smart_scroller_object_theme_set(Evas_Object *parent, Evas_Object *obj, const char *clas, const char *group, const char *style)
1289 //Does this API require parent object absolutely? if then remove this exception.
1290 double parent_scale = parent ? elm_widget_scale_get(parent) : 1;
1291 _elm_theme_object_set(parent, sd->edje_obj, clas, group, style);
1292 edje_object_scale_set(sd->edje_obj, parent_scale * _elm_config->scale);
1294 edje_object_part_swallow(sd->edje_obj, "elm.swallow.content", sd->pan_obj);
1296 elm_coords_finger_size_adjust(1, &mw, 1, &mh);
1297 if (edje_object_part_exists(sd->edje_obj, "elm.scrollbar.base"))
1300 base = edje_object_part_swallow_get(sd->edje_obj, "elm.scrollbar.base");
1303 base = evas_object_rectangle_add(evas_object_evas_get(sd->edje_obj));
1304 evas_object_color_set(base, 0, 0, 0, 0);
1305 edje_object_part_swallow(sd->edje_obj, "elm.scrollbar.base", base);
1307 if (!_elm_config->thumbscroll_enable)
1308 evas_object_size_hint_min_set(base, mw, mh);
1310 sd->vbar_visible = !sd->vbar_visible;
1311 sd->hbar_visible = !sd->hbar_visible;
1312 _smart_scrollbar_bar_visibility_adjust(sd);
1316 elm_smart_scroller_hold_set(Evas_Object *obj, Eina_Bool hold)
1323 elm_smart_scroller_freeze_set(Evas_Object *obj, Eina_Bool freeze)
1326 sd->freeze = freeze;
1329 if (sd->down.onhold_animator)
1331 ecore_animator_del(sd->down.onhold_animator);
1332 sd->down.onhold_animator = NULL;
1333 if (sd->child.resized)
1334 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1342 elm_smart_scroller_bounce_allow_set(Evas_Object *obj, Eina_Bool horiz, Eina_Bool vert)
1345 sd->bounce_horiz = horiz;
1346 sd->bounce_vert = vert;
1350 elm_smart_scroller_bounce_allow_get(const Evas_Object *obj, Eina_Bool *horiz, Eina_Bool *vert)
1353 if (horiz) *horiz = sd->bounce_horiz;
1354 if (vert) *vert = sd->bounce_vert;
1358 elm_smart_scroller_paging_set(Evas_Object *obj, double pagerel_h, double pagerel_v, Evas_Coord pagesize_h, Evas_Coord pagesize_v)
1361 sd->pagerel_h = pagerel_h;
1362 sd->pagerel_v = pagerel_v;
1363 sd->pagesize_h = pagesize_h;
1364 sd->pagesize_v = pagesize_v;
1365 _smart_page_adjust(sd);
1369 elm_smart_scroller_paging_get(Evas_Object *obj, double *pagerel_h, double *pagerel_v, Evas_Coord *pagesize_h, Evas_Coord *pagesize_v)
1372 if (pagerel_h) *pagerel_h = sd->pagerel_h;
1373 if (pagerel_v) *pagerel_v = sd->pagerel_v;
1374 if (pagesize_h) *pagesize_h = sd->pagesize_h;
1375 if (pagesize_v) *pagesize_v = sd->pagesize_v;
1379 elm_smart_scroller_current_page_get(Evas_Object *obj, int *pagenumber_h, int *pagenumber_v)
1383 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
1386 if (sd->pagesize_h > 0)
1387 *pagenumber_h = (x + sd->pagesize_h - 1) / sd->pagesize_h;
1393 if (sd->pagesize_v > 0)
1394 *pagenumber_v = (y + sd->pagesize_v - 1) / sd->pagesize_v;
1401 elm_smart_scroller_last_page_get(Evas_Object *obj, int *pagenumber_h, int *pagenumber_v)
1405 sd->pan_func.child_size_get(sd->pan_obj, &cw, &ch);
1408 if (sd->pagesize_h > 0)
1409 *pagenumber_h = cw / sd->pagesize_h + 1;
1415 if (sd->pagesize_v > 0)
1416 *pagenumber_v = ch / sd->pagesize_v + 1;
1423 elm_smart_scroller_page_show(Evas_Object *obj, int pagenumber_h, int pagenumber_v)
1426 Evas_Coord x, y, w, h;
1427 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, &h);
1428 if (pagenumber_h >= 0) x = sd->pagesize_h * pagenumber_h;
1429 if (pagenumber_v >= 0) y = sd->pagesize_v * pagenumber_v;
1430 if (_elm_smart_scroller_child_region_show_internal(obj, &x, &y, w, h))
1431 elm_smart_scroller_child_pos_set(obj, x, y);
1435 elm_smart_scroller_page_bring_in(Evas_Object *obj, int pagenumber_h, int pagenumber_v)
1438 Evas_Coord x, y, w, h;
1439 elm_smart_scroller_child_viewport_size_get(sd->smart_obj, &w, &h);
1440 if (pagenumber_h >= 0) x = sd->pagesize_h * pagenumber_h;
1441 if (pagenumber_v >= 0) y = sd->pagesize_v * pagenumber_v;
1442 if (_elm_smart_scroller_child_region_show_internal(obj, &x, &y, w, h))
1444 _smart_scrollto_x(sd, _elm_config->bring_in_scroll_friction, x);
1445 _smart_scrollto_y(sd, _elm_config->bring_in_scroll_friction, y);
1450 elm_smart_scroller_region_bring_in(Evas_Object *obj, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
1453 if (_elm_smart_scroller_child_region_show_internal(obj, &x, &y, w, h))
1455 _smart_scrollto_x(sd, _elm_config->bring_in_scroll_friction, x);
1456 _smart_scrollto_y(sd, _elm_config->bring_in_scroll_friction, y);
1461 elm_smart_scroller_widget_set(Evas_Object *obj, Evas_Object *wid)
1468 _elm_smart_scroller_wanted_region_set(Evas_Object *obj)
1471 Evas_Coord ww, wh, wx = sd->wx;
1473 if (sd->down.now || sd->down.momentum_animator ||
1474 sd->down.bounce_x_animator || sd->down.bounce_y_animator ||
1475 sd->down.hold_animator || sd->down.onhold_animator) return;
1477 sd->child.resized = EINA_FALSE;
1479 /* Flip to RTL cords only if init in RTL mode */
1480 if (sd->is_mirrored)
1481 wx = _elm_smart_scroller_x_mirrored_get(obj, sd->wx);
1485 elm_smart_scroller_child_viewport_size_get(obj, &ww, &wh);
1493 elm_smart_scroller_child_region_set(obj, wx, sd->wy, ww, wh);
1496 /* local subsystem functions */
1498 _smart_edje_drag_v_start(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
1503 _smart_scrollbar_read(sd);
1504 _smart_drag_start(sd->smart_obj);
1505 sd->freeze = EINA_TRUE;
1509 _smart_edje_drag_v_stop(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
1514 _smart_scrollbar_read(sd);
1515 _smart_drag_stop(sd->smart_obj);
1516 sd->freeze = EINA_FALSE;
1520 _smart_edje_drag_v(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
1525 _smart_scrollbar_read(sd);
1529 _smart_edje_drag_h_start(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
1534 _smart_scrollbar_read(sd);
1535 _smart_drag_start(sd->smart_obj);
1536 sd->freeze = EINA_TRUE;
1540 _smart_edje_drag_h_stop(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
1545 _smart_scrollbar_read(sd);
1546 _smart_drag_stop(sd->smart_obj);
1547 sd->freeze = EINA_FALSE;
1551 _smart_edje_drag_h(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
1556 _smart_scrollbar_read(sd);
1560 _smart_child_del_hook(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
1565 sd->child_obj = NULL;
1566 _smart_scrollbar_size_adjust(sd);
1567 _smart_scrollbar_reset(sd);
1571 _smart_pan_changed_hook(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
1577 sd->pan_func.child_size_get(sd->pan_obj, &w, &h);
1578 if ((w != sd->child.w) || (h != sd->child.h))
1582 _smart_scrollbar_size_adjust(sd);
1583 evas_object_size_hint_min_set(sd->smart_obj, sd->child.w, sd->child.h);
1584 sd->child.resized = EINA_TRUE;
1585 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1590 _smart_pan_pan_changed_hook(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
1595 if ((sd->down.bounce_x_animator) || (sd->down.bounce_y_animator) ||
1596 (sd->scrollto.x.animator) || (sd->scrollto.y.animator))
1598 _smart_anim_stop(sd->smart_obj);
1600 if (sd->scrollto.x.animator)
1602 ecore_animator_del(sd->scrollto.x.animator);
1603 sd->scrollto.x.animator = NULL;
1605 if (sd->scrollto.y.animator)
1607 ecore_animator_del(sd->scrollto.y.animator);
1608 sd->scrollto.y.animator = NULL;
1610 if (sd->down.bounce_x_animator)
1612 ecore_animator_del(sd->down.bounce_x_animator);
1613 sd->down.bounce_x_animator = NULL;
1615 if (sd->child.resized)
1616 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1618 if (sd->down.bounce_y_animator)
1620 ecore_animator_del(sd->down.bounce_y_animator);
1621 sd->down.bounce_y_animator = NULL;
1623 if (sd->child.resized)
1624 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1626 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1630 elm_smart_scroller_gravity_set(Evas_Object *obj, double x, double y)
1634 sd->pan_func.gravity_set(sd->pan_obj, x, y);
1638 elm_smart_scroller_gravity_get(Evas_Object *obj, double *x, double *y)
1642 sd->pan_func.gravity_get(sd->pan_obj, x, y);
1646 _smart_event_wheel(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
1648 Evas_Event_Mouse_Wheel *ev;
1650 Evas_Coord x = 0, y = 0;
1654 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return ;
1655 if ((evas_key_modifier_is_set(ev->modifiers, "Control")) ||
1656 (evas_key_modifier_is_set(ev->modifiers, "Alt")) ||
1657 (evas_key_modifier_is_set(ev->modifiers, "Shift")) ||
1658 (evas_key_modifier_is_set(ev->modifiers, "Meta")) ||
1659 (evas_key_modifier_is_set(ev->modifiers, "Hyper")) ||
1660 (evas_key_modifier_is_set(ev->modifiers, "Super")))
1662 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
1663 if ((sd->down.bounce_x_animator) || (sd->down.bounce_y_animator) ||
1664 (sd->scrollto.x.animator) || (sd->scrollto.y.animator))
1666 _smart_anim_stop(sd->smart_obj);
1668 if (sd->scrollto.x.animator)
1670 ecore_animator_del(sd->scrollto.x.animator);
1671 sd->scrollto.x.animator = NULL;
1673 if (sd->scrollto.y.animator)
1675 ecore_animator_del(sd->scrollto.y.animator);
1676 sd->scrollto.y.animator = NULL;
1678 if (sd->down.bounce_x_animator)
1680 ecore_animator_del(sd->down.bounce_x_animator);
1681 sd->down.bounce_x_animator = NULL;
1683 if (sd->child.resized)
1684 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1686 if (sd->down.bounce_y_animator)
1688 ecore_animator_del(sd->down.bounce_y_animator);
1689 sd->down.bounce_y_animator = NULL;
1691 if (sd->child.resized)
1692 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1695 y += ev->z * sd->step.y;
1696 else if (ev->direction == 1)
1697 x += ev->z * sd->step.x;
1699 if ((!sd->hold) && (!sd->freeze))
1701 _update_wanted_coordinates(sd, x, y);
1702 elm_smart_scroller_child_pos_set(sd->smart_obj, x, y);
1707 _smart_event_mouse_down(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
1709 Evas_Event_Mouse_Down *ev;
1711 Evas_Coord x = 0, y = 0;
1715 // if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return ;
1716 if (_elm_config->thumbscroll_enable)
1719 if ((sd->down.bounce_x_animator) || (sd->down.bounce_y_animator) ||
1720 (sd->down.momentum_animator) || (sd->scrollto.x.animator) ||
1721 (sd->scrollto.y.animator))
1723 ev->event_flags |= EVAS_EVENT_FLAG_ON_SCROLL | EVAS_EVENT_FLAG_ON_HOLD;
1724 sd->down.scroll = 1;
1726 _smart_anim_stop(sd->smart_obj);
1728 if (sd->scrollto.x.animator)
1730 ecore_animator_del(sd->scrollto.x.animator);
1731 sd->scrollto.x.animator = NULL;
1733 if (sd->scrollto.y.animator)
1735 ecore_animator_del(sd->scrollto.y.animator);
1736 sd->scrollto.y.animator = NULL;
1738 if (sd->down.bounce_x_animator)
1740 ecore_animator_del(sd->down.bounce_x_animator);
1741 sd->down.bounce_x_animator = NULL;
1743 if (sd->child.resized)
1744 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1746 if (sd->down.bounce_y_animator)
1748 ecore_animator_del(sd->down.bounce_y_animator);
1749 sd->down.bounce_y_animator = NULL;
1751 if (sd->child.resized)
1752 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1754 if (sd->down.hold_animator)
1756 ecore_animator_del(sd->down.hold_animator);
1757 sd->down.hold_animator = NULL;
1758 _smart_drag_stop(sd->smart_obj);
1759 if (sd->child.resized)
1760 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1762 if (sd->down.momentum_animator)
1764 ecore_animator_del(sd->down.momentum_animator);
1765 sd->down.momentum_animator = NULL;
1766 sd->down.bounce_x_hold = 0;
1767 sd->down.bounce_y_hold = 0;
1770 if (sd->child.resized)
1771 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1773 if (ev->button == 1)
1775 sd->down.hist.est_timestamp_diff =
1776 ecore_loop_time_get() - ((double)ev->timestamp / 1000.0);
1777 sd->down.hist.tadd = 0.0;
1778 sd->down.hist.dxsum = 0.0;
1779 sd->down.hist.dysum = 0.0;
1781 sd->down.dragged = 0;
1784 sd->down.x = ev->canvas.x;
1785 sd->down.y = ev->canvas.y;
1786 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
1789 sd->down.locked = 0;
1790 memset(&(sd->down.history[0]), 0, sizeof(sd->down.history[0]) * 60);
1792 sd->down.history[0].timestamp = ev->timestamp / 1000.0;
1793 sd->down.history[0].localtimestamp = ecore_loop_time_get();
1795 sd->down.history[0].timestamp = ecore_loop_time_get();
1797 sd->down.history[0].x = ev->canvas.x;
1798 sd->down.history[0].y = ev->canvas.y;
1800 sd->down.dragged_began = 0;
1801 sd->down.hold_parent = 0;
1802 sd->down.cancelled = 0;
1807 _down_coord_eval(Smart_Data *sd, Evas_Coord *x, Evas_Coord *y)
1809 Evas_Coord minx, miny;
1811 if (sd->down.dir_x) *x = sd->down.sx - (*x - sd->down.x);
1812 else *x = sd->down.sx;
1813 if (sd->down.dir_y) *y = sd->down.sy - (*y - sd->down.y);
1814 else *y = sd->down.sy;
1816 if ((sd->down.dir_x) || (sd->down.dir_y))
1818 if (!((sd->down.dir_x) && (sd->down.dir_y)))
1820 if (sd->down.dir_x) *y = sd->down.locked_y;
1821 else *x = sd->down.locked_x;
1825 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
1828 *x += (minx - *x) * _elm_config->thumbscroll_border_friction;
1829 else if (sd->child.w <= sd->w)
1830 *x += (sd->down.sx - *x) * _elm_config->thumbscroll_border_friction;
1831 else if ((sd->child.w - sd->w + minx) < *x)
1832 *x += (sd->child.w - sd->w + minx - *x) *
1833 _elm_config->thumbscroll_border_friction;
1836 *y += (miny - *y) * _elm_config->thumbscroll_border_friction;
1837 else if (sd->child.h <= sd->h)
1838 *y += (sd->down.sy - *y) * _elm_config->thumbscroll_border_friction;
1839 else if ((sd->child.h - sd->h + miny) < *y)
1840 *y += (sd->child.h - sd->h + miny - *y) *
1841 _elm_config->thumbscroll_border_friction;
1845 _smart_hold_animator(void *data)
1847 Smart_Data *sd = data;
1848 Evas_Coord ox = 0, oy = 0, fx, fy;
1850 fx = sd->down.hold_x;
1851 fy = sd->down.hold_y;
1852 if (_elm_config->scroll_smooth_amount > 0.0)
1855 Evas_Coord basex = 0, basey = 0, x, y;
1856 double dt, t, tdiff, tnow, twin;
1858 Evas_Coord x, y, dx, dy;
1862 tdiff = sd->down.hist.est_timestamp_diff;
1863 tnow = ecore_time_get() - tdiff;
1865 twin = _elm_config->scroll_smooth_time_window;
1866 for (i = 0; i < 60; i++)
1868 // oldest point is sd->down.history[i]
1869 // newset is sd->down.history[0]
1870 dt = t - sd->down.history[i].timestamp;
1876 x = sd->down.history[i].x;
1877 y = sd->down.history[i].y;
1878 _down_coord_eval(sd, &x, &y);
1884 pos[i].x = x - basex;
1885 pos[i].y = y - basey;
1887 sd->down.history[i].timestamp - sd->down.history[0].timestamp;
1893 double dtsum = 0.0, tadd, maxdt;
1894 double dxsum = 0.0, dysum = 0.0, xsum = 0.0, ysum = 0.0;
1896 for (i = 0; i < (count - 1); i++)
1898 pos[i].dx = pos[i].x - pos[i + 1].x;
1899 pos[i].dy = pos[i].y - pos[i + 1].y;
1900 pos[i].dt = pos[i].t - pos[i + 1].t;
1913 tadd = tnow - sd->down.history[0].timestamp + _elm_config->scroll_smooth_future_time;
1914 tadd = tadd - (maxdt / 2);
1915 #define WEIGHT(n, o, v) n = (((double)o * (1.0 - v)) + ((double)n * v))
1916 WEIGHT(tadd, sd->down.hist.tadd, _elm_config->scroll_smooth_history_weight);
1917 WEIGHT(dxsum, sd->down.hist.dxsum, _elm_config->scroll_smooth_history_weight);
1918 WEIGHT(dysum, sd->down.hist.dysum, _elm_config->scroll_smooth_history_weight);
1919 fx = basex + xsum + ((dxsum * tadd) / dtsum);
1920 fy = basey + ysum + ((dysum * tadd) / dtsum);
1921 sd->down.hist.tadd = tadd;
1922 sd->down.hist.dxsum = dxsum;
1923 sd->down.hist.dysum = dysum;
1924 WEIGHT(fx, sd->down.hold_x, _elm_config->scroll_smooth_amount);
1925 WEIGHT(fy, sd->down.hold_y, _elm_config->scroll_smooth_amount);
1927 // printf("%3.5f %i %i\n", ecore_time_get(), sd->down.hold_y, fy);
1930 elm_smart_scroller_child_pos_get(sd->smart_obj, &ox, &oy);
1933 if ((!sd->widget) ||
1934 (!elm_widget_drag_child_locked_x_get(sd->widget)))
1939 if ((!sd->widget) ||
1940 (!elm_widget_drag_child_locked_y_get(sd->widget)))
1944 elm_smart_scroller_child_pos_set(sd->smart_obj, ox, oy);
1945 return ECORE_CALLBACK_RENEW;
1949 _smart_event_post_up(void *data, Evas *e __UNUSED__)
1951 Smart_Data *sd = data;
1954 if (sd->down.dragged)
1956 elm_widget_drag_lock_x_set(sd->widget, 0);
1957 elm_widget_drag_lock_y_set(sd->widget, 0);
1964 _smart_event_mouse_up(void *data, Evas *e, Evas_Object *obj __UNUSED__, void *event_info)
1966 Evas_Event_Mouse_Down *ev;
1968 Evas_Coord x = 0, y = 0, ox = 0, oy = 0;
1972 sd->down.hold_parent = 0;
1975 // if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return ;
1976 evas_post_event_callback_push(e, _smart_event_post_up, sd);
1977 // FIXME: respect elm_widget_scroll_hold_get of parent container
1978 if (_elm_config->thumbscroll_enable)
1980 if (ev->button == 1)
1982 if (sd->down.onhold_animator)
1984 ecore_animator_del(sd->down.onhold_animator);
1985 sd->down.onhold_animator = NULL;
1986 if (sd->child.resized)
1987 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
1989 x = ev->canvas.x - sd->down.x;
1990 y = ev->canvas.y - sd->down.y;
1991 if (sd->down.dragged)
1993 _smart_drag_stop(sd->smart_obj);
1994 if ((!sd->hold) && (!sd->freeze))
1998 Evas_Coord ax, ay, dx, dy, vel;
2001 t = ev->timestamp / 1000.0;
2003 t = ecore_loop_time_get();
2005 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
2010 printf("------ %i %i\n", ev->canvas.x, ev->canvas.y);
2012 for (i = 0; i < 60; i++)
2014 dt = t - sd->down.history[i].timestamp;
2015 if (dt > 0.2) break;
2017 printf("H: %i %i @ %1.3f\n",
2018 sd->down.history[i].x,
2019 sd->down.history[i].y, dt);
2022 ax += sd->down.history[i].x;
2023 ay += sd->down.history[i].y;
2028 at /= _elm_config->thumbscroll_sensitivity_friction;
2029 dx = ev->canvas.x - ax;
2030 dy = ev->canvas.y - ay;
2033 vel = sqrt((dx * dx) + (dy * dy)) / at;
2034 if ((_elm_config->thumbscroll_friction > 0.0) &&
2035 (vel > _elm_config->thumbscroll_momentum_threshold))
2037 int minx, miny, mx, my, px, py;
2038 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
2039 sd->pan_func.max_get(sd->pan_obj, &mx, &my);
2040 sd->pan_func.get(sd->pan_obj, &px, &py);
2041 sd->down.dx = ((double)dx / at);
2042 sd->down.dy = ((double)dy / at);
2043 if (((sd->down.dx > 0) && (sd->down.pdx > 0)) ||
2044 ((sd->down.dx < 0) && (sd->down.pdx < 0)))
2045 if (px > minx && px < mx)
2046 sd->down.dx += (double)sd->down.pdx * 1.5; // FIXME: * 1.5 - probably should be config
2047 if (((sd->down.dy > 0) && (sd->down.pdy > 0)) ||
2048 ((sd->down.dy < 0) && (sd->down.pdy < 0)))
2049 if (py > miny && py < my)
2050 sd->down.dy += (double)sd->down.pdy * 1.5; // FIXME: * 1.5 - probably should be config
2051 if (((sd->down.dx > 0) && (sd->down.pdx > 0)) ||
2052 ((sd->down.dx < 0) && (sd->down.pdx < 0)) ||
2053 ((sd->down.dy > 0) && (sd->down.pdy > 0)) ||
2054 ((sd->down.dy < 0) && (sd->down.pdy < 0)))
2056 double t = ecore_loop_time_get();
2057 double dt = t - sd->down.anim_start;
2059 if (dt < 0.0) dt = 0.0;
2060 else if (dt > _elm_config->thumbscroll_friction)
2061 dt = _elm_config->thumbscroll_friction;
2062 sd->down.extra_time = _elm_config->thumbscroll_friction - dt;
2065 sd->down.extra_time = 0.0;
2066 sd->down.pdx = sd->down.dx;
2067 sd->down.pdy = sd->down.dy;
2070 if (!_smart_do_page(sd))
2072 if ((!sd->down.momentum_animator) && (!sd->momentum_animator_disabled))
2074 sd->down.momentum_animator = ecore_animator_add(_smart_momentum_animator, sd);
2075 ev->event_flags |= EVAS_EVENT_FLAG_ON_SCROLL;
2076 _smart_anim_start(sd->smart_obj);
2078 sd->down.anim_start = ecore_loop_time_get();
2079 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
2093 evas_event_feed_hold(e, 0, ev->timestamp, ev->data);
2094 if (_smart_do_page(sd))
2096 Evas_Coord pgx, pgy;
2098 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
2099 if ((!sd->widget) ||
2100 (!elm_widget_drag_child_locked_x_get(sd->widget)))
2102 pgx = _smart_page_x_get(sd, ox);
2105 ev->event_flags |= EVAS_EVENT_FLAG_ON_SCROLL;
2106 _smart_scrollto_x(sd, _elm_config->page_scroll_friction, pgx);
2109 if ((!sd->widget) ||
2110 (!elm_widget_drag_child_locked_y_get(sd->widget)))
2112 pgy = _smart_page_y_get(sd, oy);
2115 ev->event_flags |= EVAS_EVENT_FLAG_ON_SCROLL;
2116 _smart_scrollto_y(sd, _elm_config->page_scroll_friction, pgy);
2125 if (_smart_do_page(sd))
2127 Evas_Coord pgx, pgy;
2129 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
2130 if ((!sd->widget) ||
2131 (!elm_widget_drag_child_locked_x_get(sd->widget)))
2133 pgx = _smart_page_x_get(sd, ox);
2134 if (pgx != x) _smart_scrollto_x(sd, _elm_config->page_scroll_friction, pgx);
2136 if ((!sd->widget) ||
2137 (!elm_widget_drag_child_locked_y_get(sd->widget)))
2139 pgy = _smart_page_y_get(sd, oy);
2140 if (pgy != y) _smart_scrollto_y(sd, _elm_config->page_scroll_friction, pgy);
2144 if (sd->down.hold_animator)
2146 ecore_animator_del(sd->down.hold_animator);
2147 sd->down.hold_animator = NULL;
2148 if (sd->child.resized)
2149 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
2151 if (sd->down.scroll)
2153 ev->event_flags |= EVAS_EVENT_FLAG_ON_SCROLL;
2154 sd->down.scroll = 0;
2158 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
2161 sd->down.dragged_began = 0;
2164 sd->down.want_dragged = 0;
2165 sd->down.dragged = 0;
2167 elm_smart_scroller_child_pos_get(sd->smart_obj, &x, &y);
2168 elm_smart_scroller_child_pos_set(sd->smart_obj, x, y);
2169 _update_wanted_coordinates(sd, x, y);
2171 if (sd->child.resized)
2172 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
2174 if (!_smart_do_page(sd))
2181 _smart_onhold_animator(void *data)
2186 Evas_Coord x, y, ox, oy;
2189 t = ecore_loop_time_get();
2190 if (sd->down.onhold_tlast > 0.0)
2192 td = t - sd->down.onhold_tlast;
2193 vx = sd->down.onhold_vx * td * (double)_elm_config->thumbscroll_threshold * 2.0;
2194 vy = sd->down.onhold_vy * td * (double)_elm_config->thumbscroll_threshold * 2.0;
2195 elm_smart_scroller_child_pos_get(sd->smart_obj, &ox, &oy);
2201 if ((!sd->widget) ||
2202 (!elm_widget_drag_child_locked_x_get(sd->widget)))
2204 sd->down.onhold_vxe += vx;
2205 x = ox + (int)sd->down.onhold_vxe;
2206 sd->down.onhold_vxe -= (int)sd->down.onhold_vxe;
2212 if ((!sd->widget) ||
2213 (!elm_widget_drag_child_locked_y_get(sd->widget)))
2215 sd->down.onhold_vye += vy;
2216 y = oy + (int)sd->down.onhold_vye;
2217 sd->down.onhold_vye -= (int)sd->down.onhold_vye;
2221 elm_smart_scroller_child_pos_set(sd->smart_obj, x, y);
2223 sd->down.onhold_tlast = t;
2224 return ECORE_CALLBACK_RENEW;
2228 _smart_event_post_move(void *data, Evas *e __UNUSED__)
2230 Smart_Data *sd = data;
2232 if (sd->down.want_dragged)
2236 if (sd->down.hold_parent)
2238 if ((sd->down.dir_x) && !can_scroll(sd, sd->down.hdir))
2242 if ((sd->down.dir_y) && !can_scroll(sd, sd->down.vdir))
2249 if ((!sd->widget) ||
2250 (!elm_widget_drag_child_locked_x_get(sd->widget)))
2252 sd->down.want_dragged = 0;
2253 sd->down.dragged = 1;
2256 elm_widget_drag_lock_x_set(sd->widget, 1);
2265 if ((!sd->widget) ||
2266 (!elm_widget_drag_child_locked_y_get(sd->widget)))
2268 sd->down.want_dragged = 0;
2269 sd->down.dragged = 1;
2272 elm_widget_drag_lock_y_set(sd->widget, 1);
2279 if ((!sd->down.dir_x) && (!sd->down.dir_y))
2281 sd->down.cancelled = 1;
2283 if (start) _smart_drag_start(sd->smart_obj);
2289 _smart_event_mouse_move(void *data, Evas *e, Evas_Object *obj __UNUSED__, void *event_info)
2291 Evas_Event_Mouse_Move *ev;
2293 Evas_Coord x = 0, y = 0;
2297 // if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return ;
2298 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) sd->down.hold_parent = 1;
2299 evas_post_event_callback_push(e, _smart_event_post_move, sd);
2300 // FIXME: respect elm_widget_scroll_hold_get of parent container
2301 if (_elm_config->thumbscroll_enable)
2308 printf("::: %i %i\n", ev->cur.canvas.x, ev->cur.canvas.y);
2310 memmove(&(sd->down.history[1]), &(sd->down.history[0]),
2311 sizeof(sd->down.history[0]) * (60 - 1));
2313 sd->down.history[0].timestamp = ev->timestamp / 1000.0;
2314 sd->down.history[0].localtimestamp = ecore_loop_time_get();
2316 sd->down.history[0].timestamp = ecore_loop_time_get();
2318 sd->down.history[0].x = ev->cur.canvas.x;
2319 sd->down.history[0].y = ev->cur.canvas.y;
2321 if (!sd->down.dragged_began)
2323 x = ev->cur.canvas.x - sd->down.x;
2324 y = ev->cur.canvas.y - sd->down.y;
2329 if (x > 0) sd->down.hdir = LEFT;
2330 else if (x < 0) sd->down.hdir = RIGHT;
2331 if (y > 0) sd->down.vdir = UP;
2332 else if (y < 0) sd->down.vdir = DOWN;
2337 if ((sd->one_dir_at_a_time) &&
2338 (!((sd->down.dir_x) || (sd->down.dir_y))))
2340 if (x > _elm_config->thumbscroll_threshold)
2349 if (y > _elm_config->thumbscroll_threshold)
2366 // can_scroll(sd, LEFT);
2367 // can_scroll(sd, RIGHT);
2368 // can_scroll(sd, UP);
2369 // can_scroll(sd, DOWN);
2374 if ((!sd->hold) && (!sd->freeze))
2376 if ((sd->down.dragged) ||
2377 (((x * x) + (y * y)) >
2378 (_elm_config->thumbscroll_threshold *
2379 _elm_config->thumbscroll_threshold)))
2381 sd->down.dragged_began = 1;
2382 if (!sd->down.dragged)
2384 sd->down.want_dragged = 1;
2385 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
2386 // evas_event_feed_hold(e, 1, ev->timestamp, ev->data);
2387 // _smart_drag_start(sd->smart_obj);
2389 if (sd->down.dragged)
2391 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
2393 // ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
2394 // sd->down.dragged = 1;
2396 x = sd->down.sx - (ev->cur.canvas.x - sd->down.x);
2400 y = sd->down.sy - (ev->cur.canvas.y - sd->down.y);
2403 if ((sd->down.dir_x) || (sd->down.dir_y))
2405 if (!sd->down.locked)
2407 sd->down.locked_x = x;
2408 sd->down.locked_y = y;
2409 sd->down.locked = 1;
2411 if (!((sd->down.dir_x) && (sd->down.dir_y)))
2413 if (sd->down.dir_x) y = sd->down.locked_y;
2414 else x = sd->down.locked_x;
2418 Evas_Coord minx, miny;
2419 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
2422 _elm_config->thumbscroll_border_friction;
2423 else if (sd->child.h <= sd->h)
2424 y += (sd->down.sy - y) *
2425 _elm_config->thumbscroll_border_friction;
2426 else if ((sd->child.h - sd->h + miny) < y)
2427 y += (sd->child.h - sd->h + miny - y) *
2428 _elm_config->thumbscroll_border_friction;
2431 _elm_config->thumbscroll_border_friction;
2432 else if (sd->child.w <= sd->w)
2433 x += (sd->down.sx - x) *
2434 _elm_config->thumbscroll_border_friction;
2435 else if ((sd->child.w - sd->w + minx) < x)
2436 x += (sd->child.w - sd->w + minx - x) *
2437 _elm_config->thumbscroll_border_friction;
2440 sd->down.hold_x = x;
2441 sd->down.hold_y = y;
2442 if (!sd->down.hold_animator)
2443 sd->down.hold_animator =
2444 ecore_animator_add(_smart_hold_animator, sd);
2445 // printf("a %i %i\n", sd->down.hold_x, sd->down.hold_y);
2446 // _smart_onhold_animator(sd);
2447 // elm_smart_scroller_child_pos_set(sd->smart_obj, x, y);
2451 if (sd->down.dragged_began)
2453 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
2457 evas_event_feed_hold(e, 1, ev->timestamp, ev->data);
2462 else if (!sd->freeze)
2464 Evas_Coord ex, ey, ew, eh;
2465 double vx = 0.0, vy = 0.0;
2467 evas_object_geometry_get(sd->event_obj, &ex, &ey, &ew, &eh);
2468 x = ev->cur.canvas.x - ex;
2469 y = ev->cur.canvas.y - ey;
2470 if (x < _elm_config->thumbscroll_threshold)
2472 if (_elm_config->thumbscroll_threshold > 0.0)
2473 vx = -(double)(_elm_config->thumbscroll_threshold - x) /
2474 _elm_config->thumbscroll_threshold;
2478 else if (x > (ew - _elm_config->thumbscroll_threshold))
2480 if (_elm_config->thumbscroll_threshold > 0.0)
2481 vx = (double)(_elm_config->thumbscroll_threshold - (ew - x)) /
2482 _elm_config->thumbscroll_threshold;
2486 if (y < _elm_config->thumbscroll_threshold)
2488 if (_elm_config->thumbscroll_threshold > 0.0)
2489 vy = -(double)(_elm_config->thumbscroll_threshold - y) /
2490 _elm_config->thumbscroll_threshold;
2494 else if (y > (eh - _elm_config->thumbscroll_threshold))
2496 if (_elm_config->thumbscroll_threshold > 0.0)
2497 vy = (double)(_elm_config->thumbscroll_threshold - (eh - y)) /
2498 _elm_config->thumbscroll_threshold;
2502 if ((vx != 0.0) || (vy != 0.0))
2504 sd->down.onhold_vx = vx;
2505 sd->down.onhold_vy = vy;
2506 if (!sd->down.onhold_animator)
2508 sd->down.onhold_vxe = 0.0;
2509 sd->down.onhold_vye = 0.0;
2510 sd->down.onhold_tlast = 0.0;
2511 sd->down.onhold_animator = ecore_animator_add(_smart_onhold_animator, sd);
2513 // printf("b %i %i\n", sd->down.hold_x, sd->down.hold_y);
2517 if (sd->down.onhold_animator)
2519 ecore_animator_del(sd->down.onhold_animator);
2520 sd->down.onhold_animator = NULL;
2521 if (sd->child.resized)
2522 _elm_smart_scroller_wanted_region_set(sd->smart_obj);
2531 _smart_scrollbar_read(Smart_Data *sd)
2533 Evas_Coord x, y, mx = 0, my = 0, px, py, minx = 0, miny = 0;
2536 edje_object_part_drag_value_get(sd->edje_obj, "elm.dragable.vbar", NULL, &vy);
2537 edje_object_part_drag_value_get(sd->edje_obj, "elm.dragable.hbar", &vx, NULL);
2538 sd->pan_func.max_get(sd->pan_obj, &mx, &my);
2539 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
2540 x = vx * (double)mx + minx;
2541 y = vy * (double)my + miny;
2542 sd->pan_func.get(sd->pan_obj, &px, &py);
2543 sd->pan_func.set(sd->pan_obj, x, y);
2544 if ((px != x) || (py != y))
2545 edje_object_signal_emit(sd->edje_obj, "elm,action,scroll", "elm");
2549 _smart_scrollbar_reset(Smart_Data *sd)
2551 Evas_Coord px = 0, py = 0, minx = 0, miny = 0;
2553 edje_object_part_drag_value_set(sd->edje_obj, "elm.dragable.vbar", 0.0, 0.0);
2554 edje_object_part_drag_value_set(sd->edje_obj, "elm.dragable.hbar", 0.0, 0.0);
2555 if ((!sd->child_obj) && (!sd->extern_pan))
2557 edje_object_part_drag_size_set(sd->edje_obj, "elm.dragable.vbar", 1.0, 1.0);
2558 edje_object_part_drag_size_set(sd->edje_obj, "elm.dragable.hbar", 1.0, 1.0);
2562 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
2563 sd->pan_func.get(sd->pan_obj, &px, &py);
2564 sd->pan_func.set(sd->pan_obj, minx, miny);
2566 if ((px != minx) || (py != miny))
2567 edje_object_signal_emit(sd->edje_obj, "elm,action,scroll", "elm");
2571 _smart_scrollbar_bar_v_visibility_adjust(Smart_Data *sd)
2573 int scroll_v_vis_change = 0;
2574 Evas_Coord h, vw = 0, vh = 0;
2578 evas_object_geometry_get(sd->pan_obj, NULL, NULL, &vw, &vh);
2579 if (sd->vbar_visible)
2581 if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_AUTO)
2583 if ((sd->child_obj) || (sd->extern_pan))
2587 scroll_v_vis_change = 1;
2588 sd->vbar_visible = 0;
2593 scroll_v_vis_change = 1;
2594 sd->vbar_visible = 0;
2597 else if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_OFF)
2599 scroll_v_vis_change = 1;
2600 sd->vbar_visible = 0;
2605 if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_AUTO)
2607 if ((sd->child_obj) || (sd->extern_pan))
2611 scroll_v_vis_change = 1;
2612 sd->vbar_visible = 1;
2616 else if (sd->vbar_flags == ELM_SMART_SCROLLER_POLICY_ON)
2618 scroll_v_vis_change = 1;
2619 sd->vbar_visible = 1;
2622 if (scroll_v_vis_change)
2624 if (sd->vbar_flags != ELM_SMART_SCROLLER_POLICY_OFF)
2626 if (sd->vbar_visible)
2627 edje_object_signal_emit(sd->edje_obj, "elm,action,show,vbar", "elm");
2629 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,vbar", "elm");
2630 edje_object_message_signal_process(sd->edje_obj);
2631 _smart_scrollbar_size_adjust(sd);
2634 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,vbar", "elm");
2636 return scroll_v_vis_change;
2640 _smart_scrollbar_bar_h_visibility_adjust(Smart_Data *sd)
2642 int scroll_h_vis_change = 0;
2643 Evas_Coord w, vw = 0, vh = 0;
2647 evas_object_geometry_get(sd->pan_obj, NULL, NULL, &vw, &vh);
2648 if (sd->hbar_visible)
2650 if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_AUTO)
2652 if ((sd->child_obj) || (sd->extern_pan))
2656 scroll_h_vis_change = 1;
2657 sd->hbar_visible = 0;
2662 scroll_h_vis_change = 1;
2663 sd->hbar_visible = 0;
2666 else if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_OFF)
2668 scroll_h_vis_change = 1;
2669 sd->hbar_visible = 0;
2674 if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_AUTO)
2676 if ((sd->child_obj) || (sd->extern_pan))
2680 scroll_h_vis_change = 1;
2681 sd->hbar_visible = 1;
2685 else if (sd->hbar_flags == ELM_SMART_SCROLLER_POLICY_ON)
2687 scroll_h_vis_change = 1;
2688 sd->hbar_visible = 1;
2691 if (scroll_h_vis_change)
2693 if (sd->hbar_flags != ELM_SMART_SCROLLER_POLICY_OFF)
2695 if (sd->hbar_visible)
2696 edje_object_signal_emit(sd->edje_obj, "elm,action,show,hbar", "elm");
2698 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,hbar", "elm");
2699 edje_object_message_signal_process(sd->edje_obj);
2700 _smart_scrollbar_size_adjust(sd);
2703 edje_object_signal_emit(sd->edje_obj, "elm,action,hide,hbar", "elm");
2704 _smart_scrollbar_size_adjust(sd);
2706 return scroll_h_vis_change;
2710 _smart_scrollbar_bar_visibility_adjust(Smart_Data *sd)
2714 changed |= _smart_scrollbar_bar_h_visibility_adjust(sd);
2715 changed |= _smart_scrollbar_bar_v_visibility_adjust(sd);
2718 _smart_scrollbar_bar_h_visibility_adjust(sd);
2719 _smart_scrollbar_bar_v_visibility_adjust(sd);
2724 _smart_scrollbar_size_adjust(Smart_Data *sd)
2726 if ((sd->child_obj) || (sd->extern_pan))
2728 Evas_Coord x, y, w, h, mx = 0, my = 0, vw = 0, vh = 0, px, py, minx = 0, miny = 0;
2729 double vx, vy, size;
2731 edje_object_part_geometry_get(sd->edje_obj, "elm.swallow.content",
2732 NULL, NULL, &vw, &vh);
2735 size = (double)vw / (double)w;
2739 edje_object_part_drag_value_set(sd->edje_obj, "elm.dragable.hbar", 0.0, 0.0);
2741 edje_object_part_drag_size_set(sd->edje_obj, "elm.dragable.hbar", size, 1.0);
2745 size = (double)vh / (double)h;
2749 edje_object_part_drag_value_set(sd->edje_obj, "elm.dragable.vbar", 0.0, 0.0);
2751 edje_object_part_drag_size_set(sd->edje_obj, "elm.dragable.vbar", 1.0, size);
2753 edje_object_part_drag_value_get(sd->edje_obj, "elm.dragable.hbar", &vx, NULL);
2754 edje_object_part_drag_value_get(sd->edje_obj, "elm.dragable.vbar", NULL, &vy);
2755 sd->pan_func.max_get(sd->pan_obj, &mx, &my);
2756 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
2760 edje_object_part_drag_step_set(sd->edje_obj, "elm.dragable.hbar", (double)sd->step.x / (double)w, 0.0);
2761 edje_object_part_drag_step_set(sd->edje_obj, "elm.dragable.vbar", 0.0, (double)sd->step.y / (double)h);
2763 edje_object_part_drag_page_set(sd->edje_obj, "elm.dragable.hbar", (double)sd->page.x / (double)w, 0.0);
2765 edje_object_part_drag_page_set(sd->edje_obj, "elm.dragable.hbar", -((double)sd->page.x * ((double)vw / (double)w)) / 100.0, 0.0);
2767 edje_object_part_drag_page_set(sd->edje_obj, "elm.dragable.vbar", 0.0, (double)sd->page.y / (double)h);
2769 edje_object_part_drag_page_set(sd->edje_obj, "elm.dragable.vbar", 0.0, -((double)sd->page.y * ((double)vh / (double)h)) / 100.0);
2771 sd->pan_func.get(sd->pan_obj, &px, &py);
2772 if (vx != mx) x = px;
2773 if (vy != my) y = py;
2774 sd->pan_func.set(sd->pan_obj, x, y);
2775 // if ((px != 0) || (py != 0))
2776 // edje_object_signal_emit(sd->edje_obj, "elm,action,scroll", "elm");
2780 Evas_Coord px = 0, py = 0, minx = 0, miny = 0;
2782 edje_object_part_drag_size_set(sd->edje_obj, "elm.dragable.vbar", 1.0, 1.0);
2783 edje_object_part_drag_size_set(sd->edje_obj, "elm.dragable.hbar", 1.0, 1.0);
2784 sd->pan_func.min_get(sd->pan_obj, &minx, &miny);
2785 sd->pan_func.get(sd->pan_obj, &px, &py);
2786 sd->pan_func.set(sd->pan_obj, minx, miny);
2787 if ((px != minx) || (py != miny))
2788 edje_object_signal_emit(sd->edje_obj, "elm,action,scroll", "elm");
2790 _smart_scrollbar_bar_visibility_adjust(sd);
2794 _smart_reconfigure(Smart_Data *sd)
2796 evas_object_move(sd->edje_obj, sd->x, sd->y);
2797 evas_object_resize(sd->edje_obj, sd->w, sd->h);
2798 evas_object_move(sd->event_obj, sd->x, sd->y);
2799 evas_object_resize(sd->event_obj, sd->w, sd->h);
2800 _smart_scrollbar_size_adjust(sd);
2801 _smart_page_adjust(sd);
2805 _smart_add(Evas_Object *obj)
2810 sd = calloc(1, sizeof(Smart_Data));
2812 evas_object_smart_data_set(obj, sd);
2814 sd->smart_obj = obj;
2823 sd->hbar_flags = ELM_SMART_SCROLLER_POLICY_AUTO;
2824 sd->vbar_flags = ELM_SMART_SCROLLER_POLICY_AUTO;
2825 sd->hbar_visible = 1;
2826 sd->vbar_visible = 1;
2828 sd->bounce_horiz = 1;
2829 sd->bounce_vert = 1;
2831 sd->one_dir_at_a_time = 1;
2832 sd->momentum_animator_disabled = EINA_FALSE;
2833 sd->bounce_animator_disabled = EINA_FALSE;
2835 o = edje_object_add(evas_object_evas_get(obj));
2836 evas_object_propagate_events_set(o, 0);
2838 elm_smart_scroller_object_theme_set(NULL, obj, "scroller", "base", "default");
2839 edje_object_signal_callback_add(o, "drag", "elm.dragable.vbar", _smart_edje_drag_v, sd);
2840 edje_object_signal_callback_add(o, "drag,set", "elm.dragable.vbar", _smart_edje_drag_v, sd);
2841 edje_object_signal_callback_add(o, "drag,start", "elm.dragable.vbar", _smart_edje_drag_v_start, sd);
2842 edje_object_signal_callback_add(o, "drag,stop", "elm.dragable.vbar", _smart_edje_drag_v_stop, sd);
2843 edje_object_signal_callback_add(o, "drag,step", "elm.dragable.vbar", _smart_edje_drag_v, sd);
2844 edje_object_signal_callback_add(o, "drag,page", "elm.dragable.vbar", _smart_edje_drag_v, sd);
2845 edje_object_signal_callback_add(o, "drag", "elm.dragable.hbar", _smart_edje_drag_h, sd);
2846 edje_object_signal_callback_add(o, "drag,set", "elm.dragable.hbar", _smart_edje_drag_h, sd);
2847 edje_object_signal_callback_add(o, "drag,start", "elm.dragable.hbar", _smart_edje_drag_h_start, sd);
2848 edje_object_signal_callback_add(o, "drag,stop", "elm.dragable.hbar", _smart_edje_drag_h_stop, sd);
2849 edje_object_signal_callback_add(o, "drag,step", "elm.dragable.hbar", _smart_edje_drag_h, sd);
2850 edje_object_signal_callback_add(o, "drag,page", "elm.dragable.hbar", _smart_edje_drag_h, sd);
2851 evas_object_smart_member_add(o, obj);
2853 o = evas_object_rectangle_add(evas_object_evas_get(obj));
2855 evas_object_color_set(o, 0, 0, 0, 0);
2856 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_WHEEL, _smart_event_wheel, sd);
2857 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_DOWN, _smart_event_mouse_down, sd);
2858 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_UP, _smart_event_mouse_up, sd);
2859 evas_object_event_callback_add(o, EVAS_CALLBACK_MOUSE_MOVE, _smart_event_mouse_move, sd);
2860 evas_object_smart_member_add(o, obj);
2861 evas_object_repeat_events_set(o, 1);
2863 sd->pan_func.set = _elm_smart_pan_set;
2864 sd->pan_func.get = _elm_smart_pan_get;
2865 sd->pan_func.max_get = _elm_smart_pan_max_get;
2866 sd->pan_func.min_get = _elm_smart_pan_min_get;
2867 sd->pan_func.child_size_get = _elm_smart_pan_child_size_get;
2869 _smart_scrollbar_reset(sd);
2873 _smart_del(Evas_Object *obj)
2876 elm_smart_scroller_child_set(obj, NULL);
2877 if (!sd->extern_pan) evas_object_del(sd->pan_obj);
2878 evas_object_del(sd->edje_obj);
2879 evas_object_del(sd->event_obj);
2880 if (sd->down.hold_animator) ecore_animator_del(sd->down.hold_animator);
2881 if (sd->down.onhold_animator) ecore_animator_del(sd->down.onhold_animator);
2882 if (sd->down.momentum_animator) ecore_animator_del(sd->down.momentum_animator);
2883 if (sd->down.bounce_x_animator) ecore_animator_del(sd->down.bounce_x_animator);
2884 if (sd->down.bounce_y_animator) ecore_animator_del(sd->down.bounce_y_animator);
2885 if (sd->scrollto.x.animator) ecore_animator_del(sd->scrollto.x.animator);
2886 if (sd->scrollto.y.animator) ecore_animator_del(sd->scrollto.y.animator);
2888 evas_object_smart_data_set(obj, NULL);
2892 _smart_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
2897 _smart_reconfigure(sd);
2901 _smart_resize(Evas_Object *obj, Evas_Coord w, Evas_Coord h)
2906 _smart_reconfigure(sd);
2907 _elm_smart_scroller_wanted_region_set(obj);
2911 _smart_show(Evas_Object *obj)
2914 evas_object_show(sd->edje_obj);
2915 evas_object_show(sd->event_obj);
2919 _smart_hide(Evas_Object *obj)
2922 evas_object_hide(sd->edje_obj);
2923 evas_object_hide(sd->event_obj);
2927 _smart_color_set(Evas_Object *obj, int r, int g, int b, int a)
2930 evas_object_color_set(sd->edje_obj, r, g, b, a);
2934 _smart_clip_set(Evas_Object *obj, Evas_Object *clip)
2937 evas_object_clip_set(sd->edje_obj, clip);
2938 evas_object_clip_set(sd->event_obj, clip);
2942 _smart_clip_unset(Evas_Object *obj)
2945 evas_object_clip_unset(sd->edje_obj);
2946 evas_object_clip_unset(sd->event_obj);
2949 /* never need to touch this */
2956 static const Evas_Smart_Class sc =
2959 EVAS_SMART_CLASS_VERSION,
2977 _smart = evas_smart_class_new(&sc);