slider_example.c

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slider_example.c
#include <Elementary.h>
static void
_changed_cb(void *data EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
double val = elm_slider_value_get(obj);
printf("Changed to %1.2f\n", val);
}
static void
_delay_changed_cb(void *data EINA_UNUSED, Evas_Object *obj, void *event_info EINA_UNUSED)
{
double val = elm_slider_value_get(obj);
printf("Delay changed to %1.2f\n", val);
}
static char*
_indicator_format(double val)
{
char *indicator = malloc(sizeof(char) * 32);
snprintf(indicator, 32, "%1.2f u", val);
return indicator;
}
static void
_indicator_free(char *str)
{
free(str);
}
EAPI_MAIN int
elm_main(int argc EINA_UNUSED, char **argv EINA_UNUSED)
{
Evas_Object *win, *bx, *sl, *ic;
elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED);
win = elm_win_util_standard_add("slider", "Slider Example");
elm_win_autodel_set(win, EINA_TRUE);
bx = elm_box_add(win);
evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_win_resize_object_add(win, bx);
evas_object_show(bx);
/* default */
sl = elm_slider_add(win);
evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_box_pack_end(bx, sl);
evas_object_show(sl);
/* with icon, end and label */
sl = elm_slider_add(win);
elm_object_text_set(sl, "Counter");
ic = elm_icon_add(win);
elm_icon_standard_set(ic, "home");
elm_image_resizable_set(ic, EINA_FALSE, EINA_FALSE);
elm_object_part_content_set(sl, "icon", ic);
ic = elm_icon_add(win);
elm_icon_standard_set(ic, "folder");
elm_image_resizable_set(ic, EINA_FALSE, EINA_FALSE);
elm_object_part_content_set(sl, "end", ic);
evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_box_pack_end(bx, sl);
evas_object_show(sl);
/* value set and span size */
sl = elm_slider_add(win);
elm_slider_value_set(sl, 1);
elm_slider_span_size_set(sl, 200);
evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_box_pack_end(bx, sl);
evas_object_show(sl);
/* with unit label and min - max */
sl = elm_slider_add(win);
elm_slider_unit_format_set(sl, "%1.0f units");
elm_slider_min_max_set(sl, 0, 100);
evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_box_pack_end(bx, sl);
evas_object_show(sl);
/* with indicator label and inverted */
sl = elm_slider_add(win);
elm_slider_indicator_format_set(sl, "%1.2f");
elm_slider_inverted_set(sl, EINA_TRUE);
evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_box_pack_end(bx, sl);
evas_object_show(sl);
/* vertical with indicator format func */
sl = elm_slider_add(win);
elm_slider_horizontal_set(sl, EINA_FALSE);
elm_slider_indicator_format_function_set(sl, _indicator_format,
_indicator_free);
evas_object_size_hint_align_set(sl, 0.5, EVAS_HINT_FILL);
evas_object_size_hint_weight_set(sl, 0, EVAS_HINT_EXPAND);
elm_box_pack_end(bx, sl);
evas_object_show(sl);
/* callbacks */
sl = elm_slider_add(win);
elm_slider_unit_format_set(sl, "%1.3f units");
evas_object_size_hint_align_set(sl, EVAS_HINT_FILL, 0.5);
evas_object_size_hint_weight_set(sl, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
elm_box_pack_end(bx, sl);
evas_object_show(sl);
evas_object_smart_callback_add(sl, "changed", _changed_cb, NULL);
evas_object_smart_callback_add(sl, "delay,changed", _delay_changed_cb, NULL);
evas_object_show(win);
elm_run();
return 0;
}
ELM_MAIN()
EVAS_HINT_EXPAND
#define EVAS_HINT_EXPAND
Use with evas_object_size_hint_weight_set(), evas_object_size_hint_weight_get(), evas_object_size_hin...
Definition: Evas_Common.h:297
EVAS_HINT_FILL
#define EVAS_HINT_FILL
Use with evas_object_size_hint_align_set(), evas_object_size_hint_align_get(), evas_object_size_hint_...
Definition: Evas_Common.h:298
EINA_TRUE
#define EINA_TRUE
boolean value TRUE (numerical value 1)
Definition: eina_types.h:539
EINA_FALSE
#define EINA_FALSE
boolean value FALSE (numerical value 0)
Definition: eina_types.h:533
EINA_UNUSED
#define EINA_UNUSED
Used to indicate that a function parameter is purposely unused.
Definition: eina_types.h:339
elm_box_add
Evas_Object * elm_box_add(Evas_Object *parent)
Add a new box to the parent.
Definition: elm_box.c:363
elm_box_pack_end
void elm_box_pack_end(Elm_Box *obj, Efl_Canvas_Object *subobj)
Add an object at the end of the pack list.
Definition: elm_box_eo.legacy.c:57
elm_object_part_content_set
void elm_object_part_content_set(Evas_Object *obj, const char *part, Evas_Object *content)
Set the content on part of a given container widget.
Definition: elm_main.c:1562
ELM_MAIN
#define ELM_MAIN()
macro to be used after the elm_main() function
Definition: elm_general.h:556
elm_policy_set
Eina_Bool elm_policy_set(unsigned int policy, int value)
Set a new policy's value (for a given policy group/identifier).
Definition: elm_main.c:1380
elm_run
void elm_run(void)
Run Elementary's main loop.
Definition: elm_main.c:1357
ELM_POLICY_QUIT_LAST_WINDOW_CLOSED
@ ELM_POLICY_QUIT_LAST_WINDOW_CLOSED
quit when the application's last window is closed
Definition: elm_general.h:248
ELM_POLICY_QUIT
@ ELM_POLICY_QUIT
under which circumstances the application should quit automatically.
Definition: elm_general.h:227
elm_icon_standard_set
Eina_Bool elm_icon_standard_set(Evas_Object *obj, const char *name)
Set the icon by icon standards names.
Definition: elm_icon.c:885
elm_icon_add
Evas_Object * elm_icon_add(Evas_Object *parent)
Add a new icon object to the parent.
Definition: elm_icon.c:613
elm_image_resizable_set
void elm_image_resizable_set(Evas_Object *obj, Eina_Bool up, Eina_Bool down)
Control if the object is (up/down) resizable.
Definition: efl_ui_image.c:2656
elm_slider_value_get
double elm_slider_value_get(const Evas_Object *obj)
Get the value displayed by the slider.
Definition: elm_slider.c:1531
elm_slider_min_max_set
void elm_slider_min_max_set(Evas_Object *obj, double min, double max)
Set the minimum and maximum values for the slider.
Definition: elm_slider.c:1707
elm_slider_add
Evas_Object * elm_slider_add(Evas_Object *parent)
Add a new slider widget to the given parent Elementary (container) object.
Definition: elm_slider.c:1437
elm_slider_value_set
void elm_slider_value_set(Evas_Object *obj, double val)
Set the value the slider displays.
Definition: elm_slider.c:1517
elm_slider_indicator_format_set
void elm_slider_indicator_format_set(Evas_Object *obj, const char *indicator)
Set the format string for the indicator label.
Definition: elm_slider.c:1740
elm_slider_span_size_set
void elm_slider_span_size_set(Evas_Object *obj, Evas_Coord size)
Set the (exact) length of the bar region of a given slider widget.
Definition: elm_slider.c:1444
elm_slider_unit_format_set
void elm_slider_unit_format_set(Evas_Object *obj, const char *units)
Set the format string for the unit label.
Definition: elm_slider.c:1458
elm_slider_horizontal_set
void elm_slider_horizontal_set(Evas_Object *obj, Eina_Bool horizontal)
Set the orientation of a given slider widget.
Definition: elm_slider.c:1472
elm_slider_indicator_format_function_set
void elm_slider_indicator_format_function_set(Evas_Object *obj, slider_func_type func, slider_freefunc_type free_func)
Set the format function pointer for the indicator label.
Definition: elm_slider.c:1754
elm_slider_inverted_set
void elm_slider_inverted_set(Evas_Object *obj, Eina_Bool inverted)
Invert a given slider widget's displaying values order.
Definition: elm_slider.c:1538
elm_win_util_standard_add
Evas_Object * elm_win_util_standard_add(const char *name, const char *title)
Adds a window object with standard setup.
Definition: efl_ui_win.c:9582
elm_win_resize_object_add
void elm_win_resize_object_add(Eo *obj, Evas_Object *subobj)
Add subobj as a resize object of window obj.
Definition: efl_ui_win.c:8997
elm_win_autodel_set
void elm_win_autodel_set(Eo *obj, Eina_Bool autodel)
Set the window's autodel state.
Definition: efl_ui_win.c:6194
evas_object_show
EVAS_API void evas_object_show(Evas_Object *eo_obj)
Makes the given Evas object visible.
Definition: evas_object_main.c:1814
evas_object_size_hint_weight_set
EVAS_API void evas_object_size_hint_weight_set(Evas_Object *obj, double x, double y)
Sets the hints for an object's weight.
Definition: evas_object_main.c:2638
Evas_Object
Efl_Canvas_Object Evas_Object
An Evas Object handle.
Definition: Evas_Common.h:185
evas_object_size_hint_align_set
EVAS_API void evas_object_size_hint_align_set(Evas_Object *obj, double x, double y)
Sets the hints for an object's alignment.
Definition: evas_object_main.c:2650
evas_object_smart_callback_add
EVAS_API void evas_object_smart_callback_add(Evas_Object *eo_obj, const char *event, Evas_Smart_Cb func, const void *data)
Add (register) a callback function to the smart event specified by event on the smart object obj.
Definition: evas_object_smart.c:1040