forked from enlightenment/efl
598 lines
16 KiB
C
598 lines
16 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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typedef struct _Widget_Data Widget_Data;
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struct _Widget_Data
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{
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Evas_Object *lbl;
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const char *label;
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const char *format;
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Ecore_Job *deferred_recalc_job;
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double slide_duration;
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Evas_Coord lastw;
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Evas_Coord wrap_w;
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Elm_Wrap_Type linewrap;
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Eina_Bool changed : 1;
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Eina_Bool ellipsis : 1;
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Eina_Bool slidingmode : 1;
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Eina_Bool slidingellipsis : 1;
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};
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static const char *widtype = NULL;
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static void _del_hook(Evas_Object *obj);
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static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
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static void _theme_hook(Evas_Object *obj);
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static void _sizing_eval(Evas_Object *obj);
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static int _get_value_in_key_string(const char *oldstring, const char *key, char **value);
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static int _strbuf_key_value_replace(Eina_Strbuf *srcbuf, const char *key, const char *value, int deleteflag);
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static int _stringshare_key_value_replace(const char **srcstring, const char *key, const char *value, int deleteflag);
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static void _label_sliding_change(Evas_Object *obj);
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static void
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_elm_recalc_job(void *data)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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Evas_Coord minw = -1, minh = -1;
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Evas_Coord resw;
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if (!wd) return;
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evas_event_freeze(evas_object_evas_get(data));
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wd->deferred_recalc_job = NULL;
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evas_object_geometry_get(wd->lbl, NULL, NULL, &resw, NULL);
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if (wd->wrap_w > resw)
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resw = wd->wrap_w;
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edje_object_size_min_restricted_calc(wd->lbl, &minw, &minh, resw, 0);
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/* This is a hack to workaround the way min size hints are treated.
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* If the minimum width is smaller than the restricted width, it means
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* the mininmum doesn't matter. */
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if ((minw <= resw) && (minw != wd->wrap_w))
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{
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Evas_Coord ominw = -1;
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evas_object_size_hint_min_get(data, &ominw, NULL);
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minw = ominw;
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}
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evas_object_size_hint_min_set(data, minw, minh);
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evas_event_thaw(evas_object_evas_get(data));
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evas_event_thaw_eval(evas_object_evas_get(data));
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}
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static void
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_del_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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evas_event_freeze(evas_object_evas_get(obj));
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if (wd->deferred_recalc_job) ecore_job_del(wd->deferred_recalc_job);
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if (wd->label) eina_stringshare_del(wd->label);
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free(wd);
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evas_event_thaw(evas_object_evas_get(obj));
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evas_event_thaw_eval(evas_object_evas_get(obj));
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}
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static void
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_theme_change(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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_elm_theme_object_set(obj, wd->lbl, "label", "base",
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elm_widget_style_get(obj));
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}
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static void
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_mirrored_set(Evas_Object *obj, Eina_Bool rtl)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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edje_object_mirrored_set(wd->lbl, rtl);
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}
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static void
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_theme_hook(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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evas_event_freeze(evas_object_evas_get(obj));
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_elm_widget_mirrored_reload(obj);
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_mirrored_set(obj, elm_widget_mirrored_get(obj));
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_theme_change(obj);
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edje_object_part_text_style_user_set(wd->lbl, "elm.text", wd->format);
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edje_object_part_text_set(wd->lbl, "elm.text", wd->label);
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edje_object_scale_set(wd->lbl, elm_widget_scale_get(obj) *
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_elm_config->scale);
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_label_sliding_change(obj);
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_sizing_eval(obj);
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evas_event_thaw(evas_object_evas_get(obj));
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evas_event_thaw_eval(evas_object_evas_get(obj));
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}
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static void
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_sizing_eval(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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Evas_Coord minw = -1, minh = -1;
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Evas_Coord resw, resh;
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if (!wd) return;
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if (wd->linewrap)
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{
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evas_object_geometry_get(wd->lbl, NULL, NULL, &resw, &resh);
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if ((resw == wd->lastw) && (!wd->changed)) return;
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wd->changed = EINA_FALSE;
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wd->lastw = resw;
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_elm_recalc_job(obj);
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// FIXME: works ok. but NOT for genlist. what should genlist do?
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// if (wd->deferred_recalc_job) ecore_job_del(wd->deferred_recalc_job);
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// wd->deferred_recalc_job = ecore_job_add(_elm_recalc_job, obj);
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}
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else
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{
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evas_event_freeze(evas_object_evas_get(obj));
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evas_object_geometry_get(wd->lbl, NULL, NULL, &resw, &resh);
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edje_object_size_min_calc(wd->lbl, &minw, &minh);
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if (wd->wrap_w > 0 && minw > wd->wrap_w) minw = wd->wrap_w;
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evas_object_size_hint_min_set(obj, minw, minh);
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evas_event_thaw(evas_object_evas_get(obj));
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evas_event_thaw_eval(evas_object_evas_get(obj));
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}
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}
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static void
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_lbl_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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if (!wd) return;
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if (wd->linewrap) _sizing_eval(data);
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}
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static int
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_get_value_in_key_string(const char *oldstring, const char *key, char **value)
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{
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char *curlocater, *endtag;
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int firstindex = 0, foundflag = -1;
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curlocater = strstr(oldstring, key);
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if (curlocater)
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{
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int key_len = strlen(key);
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endtag = curlocater + key_len;
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if ((!endtag) || (*endtag != '='))
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{
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foundflag = 0;
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return -1;
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}
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firstindex = abs(oldstring - curlocater);
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firstindex += key_len + 1; // strlen("key") + strlen("=")
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*value = (char *)oldstring + firstindex;
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foundflag = 1;
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}
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else
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{
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foundflag = 0;
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}
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if (foundflag == 1) return 0;
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return -1;
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}
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static int
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_strbuf_key_value_replace(Eina_Strbuf *srcbuf, const char *key, const char *value, int deleteflag)
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{
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char *kvalue;
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const char *srcstring = NULL;
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srcstring = eina_strbuf_string_get(srcbuf);
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if (_get_value_in_key_string(srcstring, key, &kvalue) == 0)
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{
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const char *val_end;
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int val_end_idx = 0;
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int key_start_idx = 0;
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val_end = strchr(kvalue, ' ');
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if (val_end)
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val_end_idx = val_end - srcstring;
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else
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val_end_idx = kvalue - srcstring + strlen(kvalue) - 1;
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/* -1 is because of the '=' */
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key_start_idx = kvalue - srcstring - 1 - strlen(key);
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eina_strbuf_remove(srcbuf, key_start_idx, val_end_idx);
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if (!deleteflag)
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{
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eina_strbuf_insert_printf(srcbuf, "%s=%s", key_start_idx, key,
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value);
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}
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}
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else if (!deleteflag)
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{
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if (*srcstring)
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{
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/* -1 because we want it before the ' */
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eina_strbuf_insert_printf(srcbuf, " %s=%s",
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eina_strbuf_length_get(srcbuf) - 1, key, value);
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}
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else
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{
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eina_strbuf_append_printf(srcbuf, "DEFAULT='%s=%s'", key, value);
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}
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}
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return 0;
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}
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static int
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_stringshare_key_value_replace(const char **srcstring, const char *key, const char *value, int deleteflag)
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{
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Eina_Strbuf *sharebuf = NULL;
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sharebuf = eina_strbuf_new();
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eina_strbuf_append(sharebuf, *srcstring);
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_strbuf_key_value_replace(sharebuf, key, value, deleteflag);
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eina_stringshare_del(*srcstring);
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*srcstring = eina_stringshare_add(eina_strbuf_string_get(sharebuf));
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eina_strbuf_free(sharebuf);
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return 0;
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}
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static void
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_label_sliding_change(Evas_Object *obj)
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{
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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char *plaintxt;
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int plainlen = 0;
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// dosen't support multiline sliding effect
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if (wd->linewrap)
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{
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wd->slidingmode = EINA_FALSE;
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return;
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}
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plaintxt = _elm_util_mkup_to_text(edje_object_part_text_get(wd->lbl, "elm.text"));
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if (plaintxt != NULL)
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{
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plainlen = strlen(plaintxt);
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free(plaintxt);
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}
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// too short to slide label
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if (plainlen < 1)
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{
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wd->slidingmode = EINA_TRUE;
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return;
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}
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if (wd->slidingmode)
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{
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Edje_Message_Float_Set *msg = alloca(sizeof(Edje_Message_Float_Set) + (sizeof(double)));
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if (wd->ellipsis)
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{
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wd->slidingellipsis = EINA_TRUE;
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elm_label_ellipsis_set(obj, EINA_FALSE);
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}
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msg->count = 1;
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msg->val[0] = wd->slide_duration;
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edje_object_message_send(wd->lbl, EDJE_MESSAGE_FLOAT_SET, 0, msg);
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edje_object_signal_emit(wd->lbl, "elm,state,slide,start", "elm");
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}
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else
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{
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edje_object_signal_emit(wd->lbl, "elm,state,slide,stop", "elm");
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if (wd->slidingellipsis)
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{
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wd->slidingellipsis = EINA_FALSE;
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elm_label_ellipsis_set(obj, EINA_TRUE);
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}
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}
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}
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static void
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_elm_label_label_set(Evas_Object *obj, const char *item, const char *label)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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if (item && strcmp(item, "default")) return;
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if (!label) label = "";
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eina_stringshare_replace(&wd->label, label);
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edje_object_part_text_style_user_set(wd->lbl, "elm.text",
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wd->format);
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edje_object_part_text_set(wd->lbl, "elm.text", wd->label);
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wd->changed = 1;
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_sizing_eval(obj);
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}
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static const char *
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_elm_label_label_get(const Evas_Object *obj, const char *item)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) NULL;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (item && strcmp(item, "default")) return NULL;
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if (!wd) return NULL;
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return wd->label;
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}
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static void
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_translate_hook(Evas_Object *obj)
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{
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evas_object_smart_callback_call(obj, "language,changed", NULL);
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}
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EAPI Evas_Object *
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elm_label_add(Evas_Object *parent)
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{
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Evas_Object *obj;
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Evas *e;
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Widget_Data *wd;
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ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
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ELM_SET_WIDTYPE(widtype, "label");
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elm_widget_type_set(obj, "label");
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elm_widget_sub_object_add(parent, obj);
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elm_widget_data_set(obj, wd);
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elm_widget_del_hook_set(obj, _del_hook);
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elm_widget_theme_hook_set(obj, _theme_hook);
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elm_widget_can_focus_set(obj, EINA_FALSE);
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elm_widget_text_set_hook_set(obj, _elm_label_label_set);
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elm_widget_text_get_hook_set(obj, _elm_label_label_get);
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elm_widget_translate_hook_set(obj, _translate_hook);
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wd->linewrap = ELM_WRAP_NONE;
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wd->ellipsis = EINA_FALSE;
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wd->slidingmode = EINA_FALSE;
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wd->slidingellipsis = EINA_FALSE;
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wd->wrap_w = -1;
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wd->slide_duration = 10;
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wd->lbl = edje_object_add(e);
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_elm_theme_object_set(obj, wd->lbl, "label", "base", "default");
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wd->format = eina_stringshare_add("");
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wd->label = eina_stringshare_add("<br>");
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edje_object_part_text_style_user_set(wd->lbl, "elm.text",
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wd->format);
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edje_object_part_text_set(wd->lbl, "elm.text", wd->label);
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elm_widget_resize_object_set(obj, wd->lbl);
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evas_object_event_callback_add(wd->lbl, EVAS_CALLBACK_RESIZE, _lbl_resize, obj);
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_mirrored_set(obj, elm_widget_mirrored_get(obj));
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wd->changed = 1;
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_sizing_eval(obj);
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return obj;
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}
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EAPI void
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elm_label_label_set(Evas_Object *obj, const char *label)
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{
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_elm_label_label_set(obj, NULL, label);
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}
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EAPI const char *
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elm_label_label_get(const Evas_Object *obj)
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{
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return _elm_label_label_get(obj, NULL);
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}
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EAPI void
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elm_label_line_wrap_set(Evas_Object *obj, Elm_Wrap_Type wrap)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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const char *wrap_str;
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int len;
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if (!wd) return;
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if (wd->linewrap == wrap) return;
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wd->linewrap = wrap;
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len = strlen(wd->label);
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if (len <= 0) return;
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switch (wrap)
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{
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case ELM_WRAP_CHAR:
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wrap_str = "char";
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break;
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case ELM_WRAP_WORD:
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wrap_str = "word";
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break;
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case ELM_WRAP_MIXED:
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wrap_str = "mixed";
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break;
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default:
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wrap_str = "none";
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break;
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}
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if (_stringshare_key_value_replace(&wd->format,
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"wrap", wrap_str, 0) == 0)
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{
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edje_object_part_text_style_user_set(wd->lbl, "elm.text",
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wd->format);
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edje_object_part_text_set(wd->lbl, "elm.text", wd->label);
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wd->changed = 1;
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_sizing_eval(obj);
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}
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}
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EAPI Elm_Wrap_Type
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elm_label_line_wrap_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return EINA_FALSE;
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return wd->linewrap;
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}
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EAPI void
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elm_label_wrap_width_set(Evas_Object *obj, Evas_Coord w)
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{
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ELM_CHECK_WIDTYPE(obj, widtype);
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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if (w < 0) w = 0;
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if (wd->wrap_w == w) return;
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if (wd->ellipsis)
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{
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edje_object_part_text_style_user_set(wd->lbl, "elm.text",
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wd->format);
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edje_object_part_text_set(wd->lbl, "elm.text", wd->label);
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}
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wd->wrap_w = w;
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_sizing_eval(obj);
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}
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EAPI Evas_Coord
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elm_label_wrap_width_get(const Evas_Object *obj)
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{
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ELM_CHECK_WIDTYPE(obj, widtype) 0;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return 0;
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return wd->wrap_w;
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}
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EINA_DEPRECATED EAPI void
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elm_label_wrap_height_set(Evas_Object *obj __UNUSED__,
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Evas_Coord h __UNUSED__)
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{
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return;
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}
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EINA_DEPRECATED EAPI Evas_Coord
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elm_label_wrap_height_get(const Evas_Object *obj __UNUSED__)
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{
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return 0;
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}
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EINA_DEPRECATED EAPI void
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elm_label_fontsize_set(Evas_Object *obj __UNUSED__,
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int fontsize __UNUSED__)
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{
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return;
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}
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EINA_DEPRECATED EAPI void
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elm_label_text_align_set(Evas_Object *obj __UNUSED__,
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const char *alignmode __UNUSED__)
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|
{
|
|
return;
|
|
}
|
|
|
|
EINA_DEPRECATED EAPI void
|
|
elm_label_text_color_set(Evas_Object *obj __UNUSED__,
|
|
unsigned int r __UNUSED__,
|
|
unsigned int g __UNUSED__,
|
|
unsigned int b __UNUSED__,
|
|
unsigned int a __UNUSED__)
|
|
{
|
|
return;
|
|
}
|
|
|
|
EINA_DEPRECATED EAPI void
|
|
elm_label_background_color_set(Evas_Object *obj __UNUSED__,
|
|
unsigned int r __UNUSED__,
|
|
unsigned int g __UNUSED__,
|
|
unsigned int b __UNUSED__,
|
|
unsigned int a __UNUSED__)
|
|
{
|
|
return;
|
|
}
|
|
|
|
EAPI void
|
|
elm_label_ellipsis_set(Evas_Object *obj, Eina_Bool ellipsis)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Eina_Strbuf *fontbuf = NULL;
|
|
int len, removeflag = 0;
|
|
|
|
if (!wd) return;
|
|
if (wd->ellipsis == ellipsis) return;
|
|
wd->ellipsis = ellipsis;
|
|
len = strlen(wd->label);
|
|
if (len <= 0) return;
|
|
|
|
if (ellipsis == EINA_FALSE) removeflag = 1; // remove fontsize tag
|
|
|
|
fontbuf = eina_strbuf_new();
|
|
eina_strbuf_append_printf(fontbuf, "%f", 1.0);
|
|
|
|
if (_stringshare_key_value_replace(&wd->format,
|
|
"ellipsis", eina_strbuf_string_get(fontbuf), removeflag) == 0)
|
|
{
|
|
edje_object_part_text_style_user_set(wd->lbl, "elm.text",
|
|
wd->format);
|
|
edje_object_part_text_set(wd->lbl, "elm.text", wd->label);
|
|
wd->changed = 1;
|
|
_sizing_eval(obj);
|
|
}
|
|
eina_strbuf_free(fontbuf);
|
|
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
elm_label_ellipsis_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return EINA_FALSE;
|
|
return wd->ellipsis;
|
|
}
|
|
|
|
EAPI void
|
|
elm_label_slide_set(Evas_Object *obj,
|
|
Eina_Bool slide)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
|
|
if (wd->slidingmode == slide) return;
|
|
wd->slidingmode = slide;
|
|
_label_sliding_change(obj);
|
|
wd->changed = 1;
|
|
_sizing_eval(obj);
|
|
}
|
|
|
|
EAPI Eina_Bool
|
|
elm_label_slide_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return EINA_FALSE;
|
|
return wd->slidingmode;
|
|
}
|
|
|
|
EAPI void
|
|
elm_label_slide_duration_set(Evas_Object *obj, double duration)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
Edje_Message_Float_Set *msg = alloca(sizeof(Edje_Message_Float_Set) + (sizeof(double)));
|
|
|
|
if (!wd) return;
|
|
wd->slide_duration = duration;
|
|
msg->count = 1;
|
|
msg->val[0] = wd->slide_duration;
|
|
edje_object_message_send(wd->lbl, EDJE_MESSAGE_FLOAT_SET, 0, msg);
|
|
}
|
|
|
|
EAPI double
|
|
elm_label_slide_duration_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) 0.0;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return 0;
|
|
return wd->slide_duration;
|
|
}
|
|
|