1 #include <Elementary.h>
5 * @defgroup Slider Slider
8 * The slider adds a dragable “slider” widget for selecting the value of
9 * something within a range.
11 * Signals that you can add callbacks for are:
13 * changed - Whenever the slider value is changed by the user.
15 * delay,changed - A short time after the value is changed by the user.
16 * This will be called only when the user stops dragging for a very short
17 * period or when they release their finger/mouse, so it avoids possibly
18 * expensive reactions to the value change.
20 * slider,drag,start - dragging the slider indicator around has started
22 * slider,drag,stop - dragging the slider indicator around has stopped
24 * A slider can be horizontal or vertical. It can contain an Icon and has a
25 * primary label as well as a units label (that is formatted with floating
26 * point values and thus accepts a printf-style format string, like
27 * “%1.2f units”. There is also an indicator string that may be somewhere
28 * else (like on the slider itself) that also accepts a format string like
29 * units. Label, Icon Unit and Indicator strings/objects are optional.
31 * A slider may be inverted which means values invert, with high vales being
32 * on the left or top and low values on the right or bottom (as opposed to
33 * normally being low on the left or top and high on the bottom and right).
35 * The slider should have its minimum and maximum values set by the
36 * application with elm_slider_min_max_set() and value should also be set by
37 * the application before use with elm_slider_value_set(). The span of the
38 * slider is its length (horizontally or vertically). This will be scaled by
39 * the object or applications scaling factor. At any point code can query the
40 * slider for its value with elm_slider_value_get().
43 typedef struct _Widget_Data Widget_Data;
53 const char *indicator;
54 const char *(*indicator_format_func)(double val);
55 Eina_Bool horizontal : 1;
56 Eina_Bool inverted : 1;
57 Eina_Bool indicator_show : 1;
59 double val, val_min, val_max;
64 #define ELM_SLIDER_INVERTED_FACTOR (-1.0)
66 static const char *widtype = NULL;
67 static void _del_hook(Evas_Object *obj);
68 static void _theme_hook(Evas_Object *obj);
69 static void _disable_hook(Evas_Object *obj);
70 static void _sizing_eval(Evas_Object *obj);
71 static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
72 static void _sub_del(void *data, Evas_Object *obj, void *event_info);
73 static void _units_set(Evas_Object *obj);
74 static void _val_set(Evas_Object *obj);
75 static void _indicator_set(Evas_Object *obj);
76 static void _on_focus_hook(void *data, Evas_Object *obj);
77 static void _drag_up(void *data, Evas_Object *obj,
78 const char *emission, const char *source);
79 static void _drag_down(void *data, Evas_Object *obj,
80 const char *emission, const char *source);
81 static Eina_Bool _event_hook(Evas_Object *obj, Evas_Object *src,
82 Evas_Callback_Type type, void *event_info);
83 static void _spacer_cb(void *data, Evas * e, Evas_Object * obj, void *event_info);
85 static const char SIG_CHANGED[] = "changed";
86 static const char SIG_DELAY_CHANGED[] = "delay,changed";
87 static const char SIG_DRAG_START[] = "slider,drag,start";
88 static const char SIG_DRAG_STOP[] = "slider,drag,stop";
89 static const Evas_Smart_Cb_Description _signals[] = {
91 {SIG_DELAY_CHANGED, ""},
98 _event_hook(Evas_Object *obj, Evas_Object *src __UNUSED__, Evas_Callback_Type type, void *event_info)
100 Evas_Event_Mouse_Wheel *mev;
101 Evas_Event_Key_Down *ev;
104 wd = elm_widget_data_get(obj);
105 if (!wd) return EINA_FALSE;
106 if (elm_widget_disabled_get(obj)) return EINA_FALSE;
108 if (type == EVAS_CALLBACK_KEY_DOWN) goto key_down;
109 else if (type != EVAS_CALLBACK_MOUSE_WHEEL) return EINA_FALSE;
112 if (mev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
113 if (elm_widget_disabled_get(obj)) return EINA_FALSE;
115 if (mev->z < 0) _drag_up(obj, NULL, NULL, NULL);
116 else _drag_down(obj, NULL, NULL, NULL);
117 mev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
122 if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return EINA_FALSE;
123 if (elm_widget_disabled_get(obj)) return EINA_FALSE;
124 if ((!strcmp(ev->keyname, "Left"))
125 || (!strcmp(ev->keyname, "KP_Left")))
127 if (!wd->horizontal) return EINA_FALSE;
128 if (!wd->inverted) _drag_down(obj, NULL, NULL, NULL);
129 else _drag_up(obj, NULL, NULL, NULL);
130 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
133 else if ((!strcmp(ev->keyname, "Right"))
134 || (!strcmp(ev->keyname, "KP_Right")))
136 if (!wd->horizontal) return EINA_FALSE;
137 if (!wd->inverted) _drag_up(obj, NULL, NULL, NULL);
138 else _drag_down(obj, NULL, NULL, NULL);
139 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
142 else if ((!strcmp(ev->keyname, "Up")) || (!strcmp(ev->keyname, "KP_Up")))
144 if (wd->horizontal) return EINA_FALSE;
145 if (wd->inverted) _drag_up(obj, NULL, NULL, NULL);
146 else _drag_down(obj, NULL, NULL, NULL);
147 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
150 else if ((!strcmp(ev->keyname, "Down")) || (!strcmp(ev->keyname, "KP_Down")))
152 if (wd->horizontal) return EINA_FALSE;
153 if (wd->inverted) _drag_down(obj, NULL, NULL, NULL);
154 else _drag_up(obj, NULL, NULL, NULL);
155 ev->event_flags |= EVAS_EVENT_FLAG_ON_HOLD;
158 else return EINA_FALSE;
162 _del_hook(Evas_Object *obj)
164 Widget_Data *wd = elm_widget_data_get(obj);
166 if (wd->label) eina_stringshare_del(wd->label);
167 if (wd->indicator) eina_stringshare_del(wd->units);
168 if (wd->delay) ecore_timer_del(wd->delay);
173 _on_focus_hook(void *data __UNUSED__, Evas_Object *obj)
175 Widget_Data *wd = elm_widget_data_get(obj);
177 if (elm_widget_focus_get(obj))
179 edje_object_signal_emit(wd->slider, "elm,action,focus", "elm");
180 evas_object_focus_set(wd->slider, EINA_TRUE);
184 edje_object_signal_emit(wd->slider, "elm,action,unfocus", "elm");
185 evas_object_focus_set(wd->slider, EINA_FALSE);
190 _theme_hook(Evas_Object *obj)
192 Widget_Data *wd = elm_widget_data_get(obj);
195 _elm_theme_object_set(obj, wd->slider, "slider", "horizontal", elm_widget_style_get(obj));
197 _elm_theme_object_set(obj, wd->slider, "slider", "vertical", elm_widget_style_get(obj));
198 if (elm_widget_disabled_get(obj))
199 edje_object_signal_emit(wd->slider, "elm,state,disabled", "elm");
201 edje_object_signal_emit(wd->slider, "elm,state,enabled", "elm");
204 edje_object_part_swallow(wd->slider, "elm.swallow.content", wd->icon);
205 edje_object_signal_emit(wd->slider, "elm,state,icon,visible", "elm");
208 edje_object_signal_emit(wd->slider, "elm,state,end,visible", "elm");
210 edje_object_signal_emit(wd->slider, "elm,state,end,hidden", "elm");
213 edje_object_part_text_set(wd->slider, "elm.text", wd->label);
214 edje_object_signal_emit(wd->slider, "elm,state,text,visible", "elm");
218 edje_object_signal_emit(wd->slider, "elm,state,units,visible", "elm");
221 evas_object_size_hint_min_set(wd->spacer, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale, 1);
223 evas_object_size_hint_min_set(wd->spacer, 1, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale);
226 edje_object_signal_emit(wd->slider, "elm,state,inverted,on", "elm");
228 edje_object_part_swallow(wd->slider, "elm.swallow.bar", wd->spacer);
231 edje_object_message_signal_process(wd->slider);
232 edje_object_scale_set(wd->slider, elm_widget_scale_get(obj) * _elm_config->scale);
238 _disable_hook(Evas_Object *obj)
240 Widget_Data *wd = elm_widget_data_get(obj);
242 if (elm_widget_disabled_get(obj))
243 edje_object_signal_emit(wd->slider, "elm,state,disabled", "elm");
245 edje_object_signal_emit(wd->slider, "elm,state,enabled", "elm");
249 _sizing_eval(Evas_Object *obj)
251 Widget_Data *wd = elm_widget_data_get(obj);
252 Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
254 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
255 edje_object_size_min_restricted_calc(wd->slider, &minw, &minh, minw, minh);
256 elm_coords_finger_size_adjust(1, &minw, 1, &minh);
257 evas_object_size_hint_min_set(obj, minw, minh);
258 evas_object_size_hint_max_set(obj, maxw, maxh);
262 _changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj, void *event_info __UNUSED__)
264 Widget_Data *wd = elm_widget_data_get(data);
266 if ((obj != wd->icon) && (obj != wd->end)) return;
271 _sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
273 Widget_Data *wd = elm_widget_data_get(obj);
274 Evas_Object *sub = event_info;
278 edje_object_signal_emit(wd->slider, "elm,state,icon,hidden", "elm");
279 evas_object_event_callback_del_full (sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints, obj);
281 edje_object_message_signal_process(wd->slider);
286 edje_object_signal_emit(wd->slider, "elm,state,end,hidden", "elm");
287 evas_object_event_callback_del_full(sub,
288 EVAS_CALLBACK_CHANGED_SIZE_HINTS,
289 _changed_size_hints, obj);
291 edje_object_message_signal_process(wd->slider);
297 _delay_change(void *data)
299 Widget_Data *wd = elm_widget_data_get(data);
300 if (!wd) return ECORE_CALLBACK_CANCEL;
302 evas_object_smart_callback_call(data, SIG_DELAY_CHANGED, NULL);
303 return ECORE_CALLBACK_CANCEL;
307 _val_fetch(Evas_Object *obj)
309 Widget_Data *wd = elm_widget_data_get(obj);
310 double posx = 0.0, posy = 0.0, pos = 0.0, val;
312 edje_object_part_drag_value_get(wd->slider, "elm.dragable.slider",&posx, &posy);
313 if (wd->horizontal) pos = posx;
315 if (wd->inverted) pos = 1.0 - pos;
316 val = (pos * (wd->val_max - wd->val_min)) + wd->val_min;
320 evas_object_smart_callback_call(obj, SIG_CHANGED, NULL);
321 if (wd->delay) ecore_timer_del(wd->delay);
322 wd->delay = ecore_timer_add(0.2, _delay_change, obj);
327 _val_set(Evas_Object *obj)
329 Widget_Data *wd = elm_widget_data_get(obj);
332 if (wd->val_max > wd->val_min)
333 pos = (wd->val - wd->val_min) / (wd->val_max - wd->val_min);
336 if (pos < 0.0) pos = 0.0;
337 else if (pos > 1.0) pos = 1.0;
338 if (wd->inverted) pos = 1.0 - pos;
339 edje_object_part_drag_value_set(wd->slider, "elm.dragable.slider", pos, pos);
343 _units_set(Evas_Object *obj)
345 Widget_Data *wd = elm_widget_data_get(obj);
351 snprintf(buf, sizeof(buf), wd->units, wd->val);
352 edje_object_part_text_set(wd->slider, "elm.units", buf);
355 edje_object_part_text_set(wd->slider, "elm.units", NULL);
359 _indicator_set(Evas_Object *obj)
361 Widget_Data *wd = elm_widget_data_get(obj);
363 if (wd->indicator_format_func)
366 buf = wd->indicator_format_func(wd->val);
367 edje_object_part_text_set(wd->slider, "elm.indicator", buf);
369 else if (wd->indicator)
372 snprintf(buf, sizeof(buf), wd->indicator, wd->val);
373 edje_object_part_text_set(wd->slider, "elm.indicator", buf);
376 edje_object_part_text_set(wd->slider, "elm.indicator", NULL);
380 _drag(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
382 Widget_Data *wd = elm_widget_data_get((Evas_Object*)data);
383 if (elm_widget_disabled_get(data)) return;
384 edje_object_signal_emit(wd->slider, "elm,state,drag", "elm");
385 edje_object_message_signal_process(wd->slider);
388 _indicator_set(data);
392 _drag_start(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
394 Widget_Data *wd = elm_widget_data_get((Evas_Object*)data);
395 if (elm_widget_disabled_get(data)) return;
397 evas_object_smart_callback_call(data, SIG_DRAG_START, NULL);
398 edje_object_signal_emit(wd->slider, "elm,state,drag", "elm");
399 edje_object_message_signal_process(wd->slider);
401 _indicator_set(data);
402 elm_widget_scroll_hold_push(data);
406 _drag_stop(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
408 Widget_Data *wd = elm_widget_data_get((Evas_Object*)data);
409 if (elm_widget_disabled_get(data)) return;
411 evas_object_smart_callback_call(data, SIG_DRAG_STOP, NULL);
413 _indicator_set(data);
414 elm_widget_scroll_hold_pop(data);
418 _drag_step(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
420 if (elm_widget_disabled_get(data)) return;
423 _indicator_set(data);
427 _drag_up(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
431 if (elm_widget_disabled_get(data)) return;
433 wd = elm_widget_data_get(data);
436 if (wd->inverted) step *= ELM_SLIDER_INVERTED_FACTOR;
438 edje_object_part_drag_step(wd->slider, "elm.dragable.slider", step, step);
442 _drag_down(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __UNUSED__)
446 if (elm_widget_disabled_get(data)) return;
448 wd = elm_widget_data_get(data);
451 if (wd->inverted) step *= ELM_SLIDER_INVERTED_FACTOR;
453 edje_object_part_drag_step(wd->slider, "elm.dragable.slider", step, step);
457 _spacer_cb(void *data, Evas *e, Evas_Object *obj __UNUSED__, void *event_info)
459 Widget_Data *wd = elm_widget_data_get(data);
460 Evas_Event_Mouse_Down *ev = event_info;
461 Evas_Coord x, y, w, h;
462 double button_x, button_y;
463 if (elm_widget_disabled_get(data)) return;
465 evas_object_geometry_get(wd->spacer, &x, &y, &w, &h);
466 edje_object_part_drag_value_get(wd->slider, "elm.dragable.slider", &button_x, &button_y);
469 button_x = ((double)ev->output.x - (double)x) / (double)w;
470 if (button_x > 1) button_x = 1;
471 if (button_x < 0) button_x = 0;
475 button_y = ((double)ev->output.y - (double)y) / (double)h;
476 if (button_y > 1) button_y = 1;
477 if (button_y < 0) button_y = 0;
479 edje_object_part_drag_value_set(wd->slider, "elm.dragable.slider", button_x, button_y);
480 evas_event_feed_mouse_cancel(e, 0, NULL);
483 evas_event_feed_mouse_down(e, 1, EVAS_BUTTON_NONE, 0, NULL);
488 * Add a new slider to the parent
490 * @param parent The parent object
491 * @return The new object or NULL if it cannot be created
496 elm_slider_add(Evas_Object *parent)
502 EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
504 wd = ELM_NEW(Widget_Data);
505 e = evas_object_evas_get(parent);
507 obj = elm_widget_add(e);
508 ELM_SET_WIDTYPE(widtype, "slider");
509 elm_widget_type_set(obj, "slider");
510 elm_widget_sub_object_add(parent, obj);
511 elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
512 elm_widget_data_set(obj, wd);
513 elm_widget_del_hook_set(obj, _del_hook);
514 elm_widget_theme_hook_set(obj, _theme_hook);
515 elm_widget_disable_hook_set(obj, _disable_hook);
516 elm_widget_can_focus_set(obj, EINA_TRUE);
517 elm_widget_event_hook_set(obj, _event_hook);
519 wd->horizontal = EINA_TRUE;
520 wd->indicator_show = EINA_TRUE;
526 wd->slider = edje_object_add(e);
527 _elm_theme_object_set(obj, wd->slider, "slider", "horizontal", "default");
528 elm_widget_resize_object_set(obj, wd->slider);
529 edje_object_signal_callback_add(wd->slider, "drag", "*", _drag, obj);
530 edje_object_signal_callback_add(wd->slider, "drag,start", "*", _drag_start, obj);
531 edje_object_signal_callback_add(wd->slider, "drag,stop", "*", _drag_stop, obj);
532 edje_object_signal_callback_add(wd->slider, "drag,step", "*", _drag_step, obj);
533 edje_object_signal_callback_add(wd->slider, "drag,page", "*", _drag_stop, obj);
534 // edje_object_signal_callback_add(wd->slider, "drag,set", "*", _drag_stop, obj);
535 edje_object_part_drag_value_set(wd->slider, "elm.dragable.slider", 0.0, 0.0);
537 wd->spacer = evas_object_rectangle_add(e);
538 evas_object_color_set(wd->spacer, 0, 0, 0, 0);
539 evas_object_pass_events_set(wd->spacer, EINA_TRUE);
540 elm_widget_sub_object_add(obj, wd->spacer);
541 edje_object_part_swallow(wd->slider, "elm.swallow.bar", wd->spacer);
542 evas_object_event_callback_add(wd->spacer, EVAS_CALLBACK_MOUSE_DOWN, _spacer_cb, obj);
543 evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
547 // TODO: convert Elementary to subclassing of Evas_Smart_Class
548 // TODO: and save some bytes, making descriptions per-class and not instance!
549 evas_object_smart_callbacks_descriptions_set(obj, _signals);
554 * Set the label of the slider
556 * @param obj The slider object
557 * @param label The text label string in UTF-8
562 elm_slider_label_set(Evas_Object *obj, const char *label)
564 ELM_CHECK_WIDTYPE(obj, widtype);
565 Widget_Data *wd = elm_widget_data_get(obj);
567 eina_stringshare_replace(&wd->label, label);
570 edje_object_signal_emit(wd->slider, "elm,state,text,visible", "elm");
571 edje_object_message_signal_process(wd->slider);
575 edje_object_signal_emit(wd->slider, "elm,state,text,hidden", "elm");
576 edje_object_message_signal_process(wd->slider);
578 edje_object_part_text_set(wd->slider, "elm.text", label);
583 * Get the label of the slider
585 * @param obj The slider object
586 * @return The text label string in UTF-8
591 elm_slider_label_get(const Evas_Object *obj)
593 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
594 Widget_Data *wd = elm_widget_data_get(obj);
595 if (!wd) return NULL;
600 * Set the icon object (leftmost widget) of the slider object.
602 * Once the icon object is set, a previously set one will be deleted.
603 * If you want to keep that old content object, use the
604 * elm_slider_icon_unset() function.
606 * @param obj The slider object
607 * @param icon The icon object
609 * @note If the object being set does not have minimum size hints set,
610 * it won't get properly displayed.
615 elm_slider_icon_set(Evas_Object *obj, Evas_Object *icon)
617 ELM_CHECK_WIDTYPE(obj, widtype);
618 Widget_Data *wd = elm_widget_data_get(obj);
620 if (wd->icon == icon) return;
621 if (wd->icon) evas_object_del(wd->icon);
625 elm_widget_sub_object_add(obj, icon);
626 evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
627 _changed_size_hints, obj);
628 edje_object_part_swallow(wd->slider, "elm.swallow.icon", icon);
629 edje_object_signal_emit(wd->slider, "elm,state,icon,visible", "elm");
630 edje_object_message_signal_process(wd->slider);
636 * Unset the leftmost widget of the slider, unparenting and
639 * @param obj The slider object
640 * @return the previously set icon sub-object of this slider, on
643 * @see elm_slider_icon_set()
648 elm_slider_icon_unset(Evas_Object *obj)
650 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
651 Widget_Data *wd = elm_widget_data_get(obj);
652 Evas_Object *ret = NULL;
653 if (!wd) return NULL;
656 elm_widget_sub_object_del(obj, wd->icon);
658 edje_object_part_unswallow(wd->slider, wd->icon);
659 edje_object_signal_emit(wd->slider, "elm,state,icon,hidden", "elm");
667 * Get the icon object of the slider object. This object is owned by
668 * the scrolled entry and should not be modified.
670 * @param obj The slider object
671 * @return The icon object
676 elm_slider_icon_get(const Evas_Object *obj)
678 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
679 Widget_Data *wd = elm_widget_data_get(obj);
680 if (!wd) return NULL;
685 * Set the length of the dragable region of the slider
687 * This sets the minimum width or height (depending on orientation) of the
688 * area of the slider that allows the slider to be dragged around. This in
689 * turn affects the objects minimum size (along with icon label and unit
690 * text). Note that this will also get multiplied by the scale factor.
692 * @param obj The slider object
693 * @param size The length of the slider area
698 elm_slider_span_size_set(Evas_Object *obj, Evas_Coord size)
700 ELM_CHECK_WIDTYPE(obj, widtype);
701 Widget_Data *wd = elm_widget_data_get(obj);
703 if (wd->size == size) return;
706 evas_object_size_hint_min_set(wd->spacer, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale, 1);
708 evas_object_size_hint_min_set(wd->spacer, 1, (double)wd->size * elm_widget_scale_get(obj) * _elm_config->scale);
709 if (wd->indicator_show)
710 edje_object_signal_emit(wd->slider, "elm,state,val,show", "elm");
712 edje_object_signal_emit(wd->slider, "elm,state,val,hide", "elm");
713 edje_object_part_swallow(wd->slider, "elm.swallow.bar", wd->spacer);
718 * Get the length of the dragable region of the slider
720 * This gets the minimum width or height (depending on orientation) of
721 * the area of the slider that allows the slider to be dragged
722 * around. Note that this will also get multiplied by the scale
725 * @param obj The slider object
726 * @return The length of the slider area
731 elm_slider_span_size_get(const Evas_Object *obj)
733 ELM_CHECK_WIDTYPE(obj, widtype) 0;
734 Widget_Data *wd = elm_widget_data_get(obj);
740 * Set the format string of the unit area
742 * If NULL, this disabls the unit area display. If not it sets the format
743 * string for the unit text. The unit text is provided a floating point
744 * value, so the unit text can display up to 1 floating point value. Note that
745 * this is optional. Use a format string such as "%1.2f meters" for example.
747 * @param obj The slider object
748 * @param units The format string for the units display
753 elm_slider_unit_format_set(Evas_Object *obj, const char *units)
755 ELM_CHECK_WIDTYPE(obj, widtype);
756 Widget_Data *wd = elm_widget_data_get(obj);
758 eina_stringshare_replace(&wd->units, units);
761 edje_object_signal_emit(wd->slider, "elm,state,units,visible", "elm");
762 edje_object_message_signal_process(wd->slider);
766 edje_object_signal_emit(wd->slider, "elm,state,units,hidden", "elm");
767 edje_object_message_signal_process(wd->slider);
774 * Get the format string for the unit area
776 * The slider may also display a value (the value of the slider) somewhere
777 * (for example above the slider knob that is dragged around). This sets the
778 * format string for this. See elm_slider_unit_format_set() for more
779 * information on how this works.
781 * @param obj The slider object
782 * @return The format string for the unit display.
787 elm_slider_unit_format_get(const Evas_Object *obj)
789 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
790 Widget_Data *wd = elm_widget_data_get(obj);
791 if (!wd) return NULL;
796 * Set the format string for the indicator area
798 * The slider may also display a value (the value of the slider) somewhere
799 * (for example above the slider knob that is dragged around). This sets the
800 * format string for this. See elm_slider_unit_format_set() for more
801 * information on how this works.
803 * @param obj The slider object
804 * @param indicator The format string for the indicator display
809 elm_slider_indicator_format_set(Evas_Object *obj, const char *indicator)
811 ELM_CHECK_WIDTYPE(obj, widtype);
812 Widget_Data *wd = elm_widget_data_get(obj);
814 eina_stringshare_replace(&wd->indicator, indicator);
819 * Get the format string for the indicator area
821 * The slider may also display a value (the value of the slider) somewhere
822 * (for example above the slider knob that is dragged around). This sets the
823 * format string for this. See elm_slider_indicator_format_set() for more
824 * information on how this works.
826 * @param obj The slider object
827 * @return The format string for the indicator display.
832 elm_slider_indicator_format_get(const Evas_Object *obj)
834 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
835 Widget_Data *wd = elm_widget_data_get(obj);
836 if (!wd) return NULL;
837 return wd->indicator;
841 * Set orientation of the slider
843 * @param obj The slider object
844 * @param horizontal If set, the slider will be horizontal
849 elm_slider_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
851 ELM_CHECK_WIDTYPE(obj, widtype);
852 Widget_Data *wd = elm_widget_data_get(obj);
854 horizontal = !!horizontal;
855 if (wd->horizontal == horizontal) return;
856 wd->horizontal = horizontal;
861 * Get orientation of the slider
863 * @param obj The slider object
864 * @return If @c EINA_TRUE the slider will be horizontal, else it is
869 elm_slider_horizontal_get(const Evas_Object *obj)
871 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
872 Widget_Data *wd = elm_widget_data_get(obj);
873 if (!wd) return EINA_FALSE;
874 return wd->horizontal;
878 * Set the minimum and maximum values for the slider
880 * Maximum mut be greater than minimum.
882 * @param obj The slider object
883 * @param min The minimum value
884 * @param max The maximum value
889 elm_slider_min_max_set(Evas_Object *obj, double min, double max)
891 ELM_CHECK_WIDTYPE(obj, widtype);
892 Widget_Data *wd = elm_widget_data_get(obj);
894 if ((wd->val_min == min) && (wd->val_max == max)) return;
897 if (wd->val < wd->val_min) wd->val = wd->val_min;
898 if (wd->val > wd->val_max) wd->val = wd->val_max;
905 * Get the minimum and maximum values for the slider
907 * @param obj The slider object
908 * @param min The pointer to store minimum value, may be @c NULL.
909 * @param max The pointer to store maximum value, may be @c NULL.
914 elm_slider_min_max_get(const Evas_Object *obj, double *min, double *max)
918 ELM_CHECK_WIDTYPE(obj, widtype);
919 Widget_Data *wd = elm_widget_data_get(obj);
921 if (min) *min = wd->val_min;
922 if (max) *max = wd->val_max;
926 * Set the value the slider indicates
928 * @param obj The slider object
929 * @param val The value (must be between min and max for the slider)
934 elm_slider_value_set(Evas_Object *obj, double val)
936 ELM_CHECK_WIDTYPE(obj, widtype);
937 Widget_Data *wd = elm_widget_data_get(obj);
939 if (wd->val == val) return;
941 if (wd->val < wd->val_min) wd->val = wd->val_min;
942 if (wd->val > wd->val_max) wd->val = wd->val_max;
943 edje_object_signal_emit(wd->slider, "elm,state,drag", "elm");
950 * Get the value the slider has
952 * @param obj The slider object
953 * @return The value of the slider
958 elm_slider_value_get(const Evas_Object *obj)
960 ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
961 Widget_Data *wd = elm_widget_data_get(obj);
967 * Invert the slider display
969 * Normally the slider will display and interpret values from low to high
970 * and when horizontal that is left to right. When vertical that is top
971 * to bottom. This inverts this (so from right to left or bottom to top) if
972 * inverted is set to 1.
974 * @param obj The slider object
975 * @param inverted The inverted flag. 1 == inverted, 0 == normal
980 elm_slider_inverted_set(Evas_Object *obj, Eina_Bool inverted)
982 ELM_CHECK_WIDTYPE(obj, widtype);
983 Widget_Data *wd = elm_widget_data_get(obj);
985 inverted = !!inverted;
986 if (wd->inverted == inverted) return;
987 wd->inverted = inverted;
989 edje_object_signal_emit(wd->slider, "elm,state,inverted,on", "elm");
991 edje_object_signal_emit(wd->slider, "elm,state,inverted,off", "elm");
992 edje_object_message_signal_process(wd->slider);
999 * Get if the slider display is inverted (backwards)
1001 * @param obj The slider object
1002 * @return If @c EINA_TRUE the slider will be inverted.
1006 elm_slider_inverted_get(const Evas_Object *obj)
1008 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
1009 Widget_Data *wd = elm_widget_data_get(obj);
1010 if (!wd) return EINA_FALSE;
1011 return wd->inverted;
1015 * Set the format function pointer for the inducator area
1017 * Set the callback function to format the indicator string.
1018 * See elm_slider_indicator_format_set() for more info on how this works.
1020 * @param obj The slider object
1021 * @param indicator The format string for the indicator display
1022 * @param func The indicator format function
1027 elm_slider_indicator_format_function_set(Evas_Object *obj, const char *(*func)(double val))
1029 ELM_CHECK_WIDTYPE(obj, widtype);
1030 Widget_Data *wd = elm_widget_data_get(obj);
1032 wd->indicator_format_func = func;
1033 _indicator_set(obj);
1037 * Set the end object (rightmost widget) of the slider object.
1039 * Once the end object is set, a previously set one will be deleted.
1040 * If you want to keep that old content object, use the
1041 * elm_button_end_unset() function.
1043 * @param obj The slider object
1044 * @param end The end object
1046 * @note If the object being set does not have minimum size hints set,
1047 * it won't get properly displayed.
1052 elm_slider_end_set(Evas_Object *obj, Evas_Object *end)
1054 ELM_CHECK_WIDTYPE(obj, widtype);
1055 Widget_Data *wd = elm_widget_data_get(obj);
1057 if (wd->end == end) return;
1058 if (wd->end) evas_object_del(wd->end);
1062 elm_widget_sub_object_add(obj, end);
1063 evas_object_event_callback_add(end, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
1064 _changed_size_hints, obj);
1065 edje_object_part_swallow(wd->slider, "elm.swallow.end", end);
1066 edje_object_signal_emit(wd->slider, "elm,state,end,visible", "elm");
1067 edje_object_message_signal_process(wd->slider);
1073 * Unset the rightmost widget of the slider, unparenting and
1076 * @param obj The slider object
1077 * @return the previously set end sub-object of this slider, on
1080 * @see elm_slider_end_set()
1085 elm_slider_end_unset(Evas_Object *obj)
1087 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1088 Widget_Data *wd = elm_widget_data_get(obj);
1089 Evas_Object *ret = NULL;
1090 if (!wd) return NULL;
1093 elm_widget_sub_object_del(obj, wd->end);
1095 edje_object_part_unswallow(wd->slider, wd->end);
1096 edje_object_signal_emit(wd->slider, "elm,state,end,hidden", "elm");
1104 * Get the end icon object of the slider object. This object is owned
1105 * by the scrolled entry and should not be modified.
1107 * @param obj The slider object
1108 * @return The end icon object
1113 elm_slider_end_get(const Evas_Object *obj)
1115 ELM_CHECK_WIDTYPE(obj, widtype) NULL;
1116 Widget_Data *wd = elm_widget_data_get(obj);
1117 if (!wd) return NULL;
1122 * Set whether to the slider indicator (augmented knob) at all.
1124 * @param obj The slider object
1125 * @param show @c EINA_TRUE will make it show it, @c EINA_FALSE will
1126 * let the knob alwayes at default size.
1128 * @note It will conflict with elm_slider_indicator_format_set(), if
1129 * you wanted those effects.
1134 elm_slider_indicator_show_set(Evas_Object *obj, Eina_Bool show)
1136 ELM_CHECK_WIDTYPE(obj, widtype);
1137 Widget_Data *wd = elm_widget_data_get(obj);
1139 wd->indicator_show = EINA_TRUE;
1140 edje_object_signal_emit(wd->slider, "elm,state,val,show", "elm");
1143 wd->indicator_show = EINA_FALSE;
1144 edje_object_signal_emit(wd->slider, "elm,state,val,hide", "elm");
1149 * Get the state of indicator in the slider (if it's being shown or
1152 * @param obj The slider object
1153 * @return @c EINA_TRUE if the indicator is being shown, @c EINA_FALSE
1159 elm_slider_indicator_show_get(const Evas_Object *obj)
1161 ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
1162 Widget_Data *wd = elm_widget_data_get(obj);
1163 if (!wd) return EINA_FALSE;
1164 return wd->indicator_show;