forked from enlightenment/efl
318 lines
8.2 KiB
C
318 lines
8.2 KiB
C
#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#define EFL_ACCESS_OBJECT_PROTECTED
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#define EFL_ACCESS_VALUE_PROTECTED
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#define EFL_ACCESS_WIDGET_ACTION_PROTECTED
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#include <Elementary.h>
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#include "elm_priv.h"
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#include "efl_ui_spin_private.h"
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#define MY_CLASS EFL_UI_SPIN_CLASS
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#define MY_CLASS_NAME "Efl.Ui.Spin"
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static Eina_Bool
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_is_valid_digit(char x)
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{
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return ((x >= '0' && x <= '9') || (x == '.')) ? EINA_TRUE : EINA_FALSE;
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}
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static Efl_Ui_Spin_Format_Type
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_is_label_format_integer(const char *fmt)
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{
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const char *itr = NULL;
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const char *start = NULL;
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Eina_Bool found = EINA_FALSE;
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Efl_Ui_Spin_Format_Type ret_type = SPIN_FORMAT_INVALID;
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start = strchr(fmt, '%');
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if (!start) return SPIN_FORMAT_INVALID;
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while (start)
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{
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if (found && start[1] != '%')
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{
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return SPIN_FORMAT_INVALID;
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}
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if (start[1] != '%' && !found)
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{
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found = EINA_TRUE;
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for (itr = start + 1; *itr != '\0'; itr++)
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{
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if ((*itr == 'd') || (*itr == 'u') || (*itr == 'i') ||
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(*itr == 'o') || (*itr == 'x') || (*itr == 'X'))
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{
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ret_type = SPIN_FORMAT_INT;
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break;
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}
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else if ((*itr == 'f') || (*itr == 'F'))
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{
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ret_type = SPIN_FORMAT_FLOAT;
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break;
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}
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else if (_is_valid_digit(*itr))
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{
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continue;
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}
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else
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{
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return SPIN_FORMAT_INVALID;
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}
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}
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}
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start = strchr(start + 2, '%');
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}
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return ret_type;
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}
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static void
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_label_write(Evas_Object *obj)
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{
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Efl_Ui_Spin_Data *sd = efl_data_scope_get(obj, MY_CLASS);
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if (sd->format_cb)
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{
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const char *buf;
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Eina_Value val;
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if (sd->format_type == SPIN_FORMAT_INT)
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{
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eina_value_setup(&val, EINA_VALUE_TYPE_INT);
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eina_value_set(&val, (int)sd->val);
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}
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else
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{
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eina_value_setup(&val, EINA_VALUE_TYPE_DOUBLE);
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eina_value_set(&val, sd->val);
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}
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eina_strbuf_reset(sd->format_strbuf);
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sd->format_cb(sd->format_cb_data, sd->format_strbuf, val);
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buf = eina_strbuf_string_get(sd->format_strbuf);
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eina_value_flush(&val);
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elm_layout_text_set(obj, "elm.text", buf);
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sd->templates = buf;
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}
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else
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{
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char buf[1024];
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snprintf(buf, sizeof(buf), "%.0f", sd->val);
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elm_layout_text_set(obj, "elm.text", buf);
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}
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}
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static int
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_decimal_points_get(const char *label)
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{
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char result[16] = "0";
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const char *start = strchr(label, '%');
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while (start)
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{
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if (start[1] != '%')
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{
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start = strchr(start, '.');
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if (start)
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start++;
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break;
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}
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else
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start = strchr(start + 2, '%');
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}
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if (start)
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{
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const char *p = strchr(start, 'f');
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if ((p) && ((p - start) < 15))
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sscanf(start, "%[^f]", result);
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}
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return atoi(result);
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}
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EOLIAN static void
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_efl_ui_spin_elm_layout_sizing_eval(Eo *obj, Efl_Ui_Spin_Data *_pd EINA_UNUSED)
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{
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Evas_Coord minw = -1, minh = -1;
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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edje_object_size_min_restricted_calc
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(wd->resize_obj, &minw, &minh, minw, minh);
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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evas_object_size_hint_min_set(obj, minw, minh);
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evas_object_size_hint_max_set(obj, -1, -1);
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}
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EOLIAN static Eina_Bool
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_efl_ui_spin_efl_ui_widget_widget_event(Eo *obj, Efl_Ui_Spin_Data *sd, const Efl_Event *eo_event, Evas_Object *src EINA_UNUSED)
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{
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Eo *ev = eo_event->info;
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if (efl_input_processed_get(ev)) return EINA_FALSE;
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if (eo_event->desc == EFL_EVENT_POINTER_WHEEL)
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{
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if (efl_input_pointer_wheel_delta_get(ev) < 0)
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efl_ui_range_value_set(obj, (efl_ui_range_value_get(obj) + sd->step));
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else
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efl_ui_range_value_set(obj, (efl_ui_range_value_get(obj) - sd->step));
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}
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else
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return EINA_FALSE;
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efl_input_processed_set(ev, EINA_TRUE);
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return EINA_TRUE;
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}
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EOLIAN static Eo *
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_efl_ui_spin_efl_object_constructor(Eo *obj, Efl_Ui_Spin_Data *sd)
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{
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, NULL);
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if (!elm_widget_theme_klass_get(obj))
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elm_widget_theme_klass_set(obj, "spin");
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obj = efl_constructor(efl_super(obj, MY_CLASS));
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elm_widget_sub_object_parent_add(obj);
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sd->val_max = 100.0;
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sd->step = 1.0;
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if (!elm_widget_theme_object_set(obj, wd->resize_obj,
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elm_widget_theme_klass_get(obj),
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elm_widget_theme_element_get(obj),
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elm_widget_theme_style_get(obj)))
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CRI("Failed to set layout!");
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_label_write(obj);
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elm_widget_can_focus_set(obj, EINA_TRUE);
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elm_layout_sizing_eval(obj);
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return obj;
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}
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EOLIAN static void
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_efl_ui_spin_efl_object_destructor(Eo *obj, Efl_Ui_Spin_Data *sd EINA_UNUSED)
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{
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efl_ui_format_cb_set(obj, NULL, NULL, NULL);
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efl_destructor(efl_super(obj, MY_CLASS));
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}
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EOLIAN static void
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_efl_ui_spin_efl_ui_format_format_cb_set(Eo *obj, Efl_Ui_Spin_Data *sd, void *func_data, Efl_Ui_Format_Func_Cb func, Eina_Free_Cb func_free_cb)
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{
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if (sd->format_cb_data == func_data && sd->format_cb == func)
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return;
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if (sd->format_cb_data && sd->format_free_cb)
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sd->format_free_cb(sd->format_cb_data);
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sd->format_cb = func;
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sd->format_cb_data = func_data;
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sd->format_free_cb = func_free_cb;
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if (!sd->format_strbuf) sd->format_strbuf = eina_strbuf_new();
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const char *format = efl_ui_format_string_get(obj);
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if (format)
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{
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sd->format_type = _is_label_format_integer(format);
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if (sd->format_type == SPIN_FORMAT_INVALID)
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{
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ERR("format:\"%s\" is invalid, cannot be set", format);
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return;
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}
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else if (sd->format_type == SPIN_FORMAT_FLOAT)
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sd->decimal_points = _decimal_points_get(format);
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}
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_label_write(obj);
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elm_layout_sizing_eval(obj);
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}
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EOLIAN static void
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_efl_ui_spin_efl_ui_range_range_min_max_set(Eo *obj, Efl_Ui_Spin_Data *sd, double min, double max)
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{
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if (max < min)
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{
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ERR("Wrong params. min(%lf) is bigger than max(%lf). It will swaped.", min, max);
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double t = min;
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min = max;
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max = t;
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}
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if ((EINA_DBL_EQ(sd->val_min, min)) && (EINA_DBL_EQ(sd->val_max, max))) return;
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sd->val_min = min;
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sd->val_max = max;
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if (sd->val < sd->val_min) sd->val = sd->val_min;
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if (sd->val > sd->val_max) sd->val = sd->val_max;
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_label_write(obj);
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}
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EOLIAN static void
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_efl_ui_spin_efl_ui_range_range_min_max_get(const Eo *obj EINA_UNUSED, Efl_Ui_Spin_Data *sd, double *min, double *max)
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{
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if (min) *min = sd->val_min;
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if (max) *max = sd->val_max;
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}
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EOLIAN static void
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_efl_ui_spin_efl_ui_range_range_step_set(Eo *obj EINA_UNUSED, Efl_Ui_Spin_Data *sd, double step)
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{
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if (step <= 0)
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{
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ERR("Wrong param. The step(%lf) should be bigger than 0.0", step);
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return;
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}
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sd->step = step;
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}
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EOLIAN static double
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_efl_ui_spin_efl_ui_range_range_step_get(const Eo *obj EINA_UNUSED, Efl_Ui_Spin_Data *sd)
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{
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return sd->step;
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}
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EOLIAN static void
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_efl_ui_spin_efl_ui_range_range_value_set(Eo *obj, Efl_Ui_Spin_Data *sd, double val)
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{
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if (val < sd->val_min)
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val = sd->val_min;
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else if (val > sd->val_max)
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val = sd->val_max;
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if (EINA_DBL_EQ(val, sd->val)) return;
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sd->val = val;
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if (EINA_DBL_EQ(sd->val, sd->val_min))
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efl_event_callback_call(obj, EFL_UI_SPIN_EVENT_MIN_REACHED, NULL);
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else if (EINA_DBL_EQ(sd->val, sd->val_max))
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efl_event_callback_call(obj, EFL_UI_SPIN_EVENT_MAX_REACHED, NULL);
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efl_event_callback_call(obj, EFL_UI_SPIN_EVENT_CHANGED, NULL);
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_label_write(obj);
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}
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EOLIAN static double
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_efl_ui_spin_efl_ui_range_range_value_get(const Eo *obj EINA_UNUSED, Efl_Ui_Spin_Data *sd)
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{
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return sd->val;
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}
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#define EFL_UI_SPIN_EXTRA_OPS \
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ELM_LAYOUT_SIZING_EVAL_OPS(efl_ui_spin), \
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#include "efl_ui_spin.eo.c"
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