forked from enlightenment/efl
610 lines
16 KiB
C
610 lines
16 KiB
C
#ifdef HAVE_CONFIG_H
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# include "elementary_config.h"
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#endif
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#include <Elementary.h>
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#include "elm_priv.h"
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#include "elm_widget_layout.h"
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#include "elm_widget_label.h"
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#define MY_CLASS ELM_OBJ_LABEL_CLASS
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#define MY_CLASS_NAME "Elm_Label"
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#define MY_CLASS_NAME_LEGACY "elm_label"
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static const char SIG_SLIDE_END[] = "slide,end";
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static const Evas_Smart_Cb_Description _smart_callbacks[] = {
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{SIG_WIDGET_LANG_CHANGED, ""}, /**< handled by elm_widget */
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{SIG_WIDGET_ACCESS_CHANGED, ""}, /**< handled by elm_widget */
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{SIG_SLIDE_END, ""},
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{NULL, NULL}
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};
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static const Elm_Layout_Part_Alias_Description _text_aliases[] =
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{
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{"default", "elm.text"},
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{NULL, NULL}
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};
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static void
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_recalc(void *data)
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{
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ELM_LABEL_DATA_GET(data, sd);
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ELM_WIDGET_DATA_GET_OR_RETURN(data, wd);
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Evas_Coord minw = -1, minh = -1;
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Evas_Coord resw;
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evas_event_freeze(evas_object_evas_get(data));
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evas_object_geometry_get(wd->resize_obj, NULL, NULL, &resw, NULL);
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if (sd->wrap_w > resw)
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resw = sd->wrap_w;
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edje_object_size_min_restricted_calc(wd->resize_obj, &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 minimum doesn't matter. */
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if ((minw <= resw) && (minw != sd->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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_label_format_set(Evas_Object *obj, const char *format)
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{
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if (format)
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edje_object_part_text_style_user_push(obj, "elm.text", format);
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else
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edje_object_part_text_style_user_pop(obj, "elm.text");
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}
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static void
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_label_slide_change(Evas_Object *obj)
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{
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const Evas_Object *tb;
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char *plaintxt;
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int plainlen = 0;
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ELM_LABEL_DATA_GET(obj, sd);
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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edje_object_signal_emit(wd->resize_obj, "elm,state,slide,stop", "elm");
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//doesn't support multiline slide effect
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if (sd->linewrap)
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{
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WRN("Doesn't support slide effect for multiline! : label=%p", obj);
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return;
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}
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//stop if the text is none.
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plaintxt = _elm_util_mkup_to_text
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(edje_object_part_text_get(wd->resize_obj, "elm.text"));
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if (plaintxt)
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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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if (plainlen < 1) return;
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//has slide effect.
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if (sd->slide_mode != ELM_LABEL_SLIDE_MODE_NONE)
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{
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Evas_Coord w, tb_w;
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tb = edje_object_part_object_get(wd->resize_obj, "elm.text");
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evas_object_textblock_size_native_get(tb, &tb_w, NULL);
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evas_object_geometry_get(wd->resize_obj, NULL, NULL, &w, NULL);
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if (sd->ellipsis)
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{
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sd->slide_ellipsis = EINA_TRUE;
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elm_label_ellipsis_set(obj, EINA_FALSE);
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}
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//slide only if the slide area is smaller than text width size.
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if (sd->slide_mode == ELM_LABEL_SLIDE_MODE_AUTO)
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{
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if ((tb_w > 0) && (tb_w < w))
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{
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if (sd->slide_ellipsis)
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{
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sd->slide_ellipsis = EINA_FALSE;
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elm_label_ellipsis_set(obj, EINA_TRUE);
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}
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return;
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}
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}
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// calculate speed or duration
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if (!strcmp(elm_object_style_get(obj), "slide_long"))
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w = tb_w + w;
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else // slide_short or slide_bounce
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w = tb_w - w;
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if (sd->use_slide_speed)
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{
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if (sd->slide_speed <= 0) sd->slide_speed = 1;
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sd->slide_duration = w / sd->slide_speed;
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}
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else
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{
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if (sd->slide_duration <= 0) sd->slide_duration = 1;
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sd->slide_speed = w / sd->slide_duration;
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}
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Edje_Message_Float_Set *msg =
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alloca(sizeof(Edje_Message_Float_Set) + (sizeof(double)));
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msg->count = 1;
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msg->val[0] = sd->slide_duration;
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edje_object_message_send(wd->resize_obj, EDJE_MESSAGE_FLOAT_SET, 0, msg);
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edje_object_signal_emit(wd->resize_obj, "elm,state,slide,start", "elm");
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}
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//no slide effect.
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else
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{
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if (sd->slide_ellipsis)
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{
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sd->slide_ellipsis = 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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EOLIAN static Eina_Bool
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_elm_label_elm_widget_theme_apply(Eo *obj, Elm_Label_Data *sd)
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{
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Eina_Bool int_ret = EINA_FALSE;
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
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evas_event_freeze(evas_object_evas_get(obj));
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eo_do_super(obj, MY_CLASS, int_ret = elm_obj_widget_theme_apply());
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if (!int_ret) return EINA_FALSE;
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_label_format_set(wd->resize_obj, sd->format);
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_label_slide_change(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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return int_ret;
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}
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EOLIAN static void
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_elm_label_elm_layout_sizing_eval(Eo *obj, Elm_Label_Data *_pd EINA_UNUSED)
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{
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Evas_Coord minw = -1, minh = -1;
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Evas_Coord resw, resh;
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ELM_LABEL_DATA_GET(obj, sd);
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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if (sd->linewrap)
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{
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evas_object_geometry_get(wd->resize_obj, NULL, NULL, &resw, &resh);
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if (resw == sd->lastw) return;
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sd->lastw = resw;
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_recalc(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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edje_object_size_min_calc(wd->resize_obj, &minw, &minh);
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if (sd->wrap_w > 0 && minw > sd->wrap_w) minw = sd->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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_on_label_resize(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info EINA_UNUSED)
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{
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ELM_LABEL_DATA_GET(data, sd);
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if (sd->slide_mode != ELM_LABEL_SLIDE_MODE_NONE) _label_slide_change(data);
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if (sd->linewrap) elm_layout_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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return -1;
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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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EOLIAN static Eina_Bool
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_elm_label_elm_layout_text_set(Eo *obj, Elm_Label_Data *sd, const char *part, const char *label)
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{
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd, EINA_FALSE);
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Eina_Bool int_ret = EINA_FALSE;
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if (!label) label = "";
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_label_format_set(wd->resize_obj, sd->format);
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eo_do_super(obj, MY_CLASS, int_ret = elm_obj_layout_text_set(part, label));
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if (int_ret)
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{
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sd->lastw = 0;
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eo_do(obj, elm_obj_layout_sizing_eval());
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}
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return int_ret;
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}
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static char *
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_access_info_cb(void *data EINA_UNUSED, Evas_Object *obj)
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{
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const char *txt = elm_widget_access_info_get(obj);
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if (!txt) txt = _elm_util_mkup_to_text(elm_layout_text_get(obj, NULL));
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if (txt) return strdup(txt);
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return NULL;
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}
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static void
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_on_slide_end(void *data, Evas_Object *obj EINA_UNUSED,
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const char *emission EINA_UNUSED, const char *source EINA_UNUSED)
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{
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ELM_LABEL_DATA_GET(data, sd);
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if (sd->slide_ellipsis)
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eo_do(data, elm_obj_label_ellipsis_set(EINA_TRUE));
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evas_object_smart_callback_call(data, SIG_SLIDE_END, NULL);
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}
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EOLIAN static void
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_elm_label_evas_smart_add(Eo *obj, Elm_Label_Data *priv)
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{
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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eo_do_super(obj, MY_CLASS, evas_obj_smart_add());
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elm_widget_sub_object_parent_add(obj);
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priv->linewrap = ELM_WRAP_NONE;
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priv->wrap_w = -1;
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priv->slide_duration = 10;
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priv->format = eina_stringshare_add("");
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_label_format_set(wd->resize_obj, priv->format);
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evas_object_event_callback_add(wd->resize_obj, EVAS_CALLBACK_RESIZE,
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_on_label_resize, obj);
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edje_object_signal_callback_add(wd->resize_obj, "elm,state,slide,end", "",
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_on_slide_end, obj);
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/* access */
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elm_widget_can_focus_set(obj, _elm_config->access_mode);
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_elm_access_object_register(obj, wd->resize_obj);
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_elm_access_text_set(_elm_access_info_get(obj), ELM_ACCESS_TYPE,
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E_("Label"));
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_elm_access_callback_set(_elm_access_info_get(obj), ELM_ACCESS_INFO,
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_access_info_cb, NULL);
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if (!elm_layout_theme_set(obj, "label", "base", elm_widget_style_get(obj)))
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CRI("Failed to set layout!");
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elm_layout_text_set(obj, NULL, "<br>");
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elm_layout_sizing_eval(obj);
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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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EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
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Evas_Object *obj = eo_add(MY_CLASS, parent);
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eo_unref(obj);
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return obj;
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}
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EOLIAN static void
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_elm_label_eo_base_constructor(Eo *obj, Elm_Label_Data *_pd EINA_UNUSED)
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{
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eo_do_super(obj, MY_CLASS, eo_constructor());
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eo_do(obj,
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evas_obj_type_set(MY_CLASS_NAME_LEGACY),
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evas_obj_smart_callbacks_descriptions_set(_smart_callbacks));
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}
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EOLIAN static void
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_elm_label_line_wrap_set(Eo *obj, Elm_Label_Data *sd, Elm_Wrap_Type wrap)
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{
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const char *wrap_str, *text;
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int len;
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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if (sd->linewrap == wrap) return;
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sd->linewrap = wrap;
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text = elm_layout_text_get(obj, NULL);
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if (!text) return;
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len = strlen(text);
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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(&sd->format, "wrap", wrap_str, 0) == 0)
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{
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_label_format_set(wd->resize_obj, sd->format);
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elm_layout_sizing_eval(obj);
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}
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}
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EOLIAN static Elm_Wrap_Type
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_elm_label_line_wrap_get(Eo *obj EINA_UNUSED, Elm_Label_Data *sd)
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{
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return sd->linewrap;
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}
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EOLIAN static void
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_elm_label_wrap_width_set(Eo *obj, Elm_Label_Data *sd, Evas_Coord w)
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{
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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if (w < 0) w = 0;
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if (sd->wrap_w == w) return;
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if (sd->ellipsis)
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_label_format_set(wd->resize_obj, sd->format);
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sd->wrap_w = w;
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elm_layout_sizing_eval(obj);
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}
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EOLIAN static Evas_Coord
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_elm_label_wrap_width_get(Eo *obj EINA_UNUSED, Elm_Label_Data *sd)
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{
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return sd->wrap_w;
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}
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EOLIAN static void
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_elm_label_ellipsis_set(Eo *obj, Elm_Label_Data *sd, Eina_Bool ellipsis)
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{
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Eina_Strbuf *fontbuf = NULL;
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int len, removeflag = 0;
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const char *text;
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ELM_WIDGET_DATA_GET_OR_RETURN(obj, wd);
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if (sd->ellipsis == ellipsis) return;
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sd->ellipsis = ellipsis;
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text = elm_layout_text_get(obj, NULL);
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if (!text) return;
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len = strlen(text);
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if (len <= 0) return;
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if (ellipsis == EINA_FALSE) removeflag = 1; // remove fontsize tag
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fontbuf = eina_strbuf_new();
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eina_strbuf_append_printf(fontbuf, "%f", 1.0);
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if (_stringshare_key_value_replace
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(&sd->format, "ellipsis", eina_strbuf_string_get
|
|
(fontbuf), removeflag) == 0)
|
|
{
|
|
_label_format_set(wd->resize_obj, sd->format);
|
|
elm_layout_sizing_eval(obj);
|
|
}
|
|
eina_strbuf_free(fontbuf);
|
|
}
|
|
|
|
EOLIAN static Eina_Bool
|
|
_elm_label_ellipsis_get(Eo *obj EINA_UNUSED, Elm_Label_Data *sd)
|
|
{
|
|
return sd->ellipsis;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_label_slide_mode_set(Eo *obj EINA_UNUSED, Elm_Label_Data *sd, Elm_Label_Slide_Mode mode)
|
|
{
|
|
sd->slide_mode = mode;
|
|
}
|
|
|
|
EOLIAN static Elm_Label_Slide_Mode
|
|
_elm_label_slide_mode_get(Eo *obj EINA_UNUSED, Elm_Label_Data *sd)
|
|
{
|
|
return sd->slide_mode;
|
|
}
|
|
|
|
EINA_DEPRECATED EAPI void
|
|
elm_label_slide_set(Evas_Object *obj, Eina_Bool slide)
|
|
{
|
|
if (slide)
|
|
elm_label_slide_mode_set(obj, ELM_LABEL_SLIDE_MODE_ALWAYS);
|
|
else
|
|
elm_label_slide_mode_set(obj, ELM_LABEL_SLIDE_MODE_NONE);
|
|
}
|
|
|
|
EINA_DEPRECATED EAPI Eina_Bool
|
|
elm_label_slide_get(const Evas_Object *obj)
|
|
{
|
|
Eina_Bool ret = EINA_FALSE;
|
|
if (elm_label_slide_mode_get(obj) == ELM_LABEL_SLIDE_MODE_ALWAYS)
|
|
ret = EINA_TRUE;
|
|
return ret;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_label_slide_duration_set(Eo *obj EINA_UNUSED, Elm_Label_Data *sd, double duration)
|
|
{
|
|
sd->slide_duration = duration;
|
|
sd->use_slide_speed = EINA_FALSE;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_label_slide_speed_set(Eo *obj EINA_UNUSED, Elm_Label_Data *sd, double speed)
|
|
{
|
|
sd->slide_speed = speed;
|
|
sd->use_slide_speed = EINA_TRUE;
|
|
}
|
|
|
|
EOLIAN static double
|
|
_elm_label_slide_speed_get(Eo *obj EINA_UNUSED, Elm_Label_Data *sd)
|
|
{
|
|
return sd->slide_speed;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_label_slide_go(Eo *obj, Elm_Label_Data *_pd EINA_UNUSED)
|
|
{
|
|
_label_slide_change(obj);
|
|
elm_layout_sizing_eval(obj);
|
|
}
|
|
|
|
EOLIAN static double
|
|
_elm_label_slide_duration_get(Eo *obj EINA_UNUSED, Elm_Label_Data *sd)
|
|
{
|
|
return sd->slide_duration;
|
|
}
|
|
|
|
EOLIAN static const Elm_Layout_Part_Alias_Description*
|
|
_elm_label_elm_layout_text_aliases_get(Eo *obj EINA_UNUSED, Elm_Label_Data *_pd EINA_UNUSED)
|
|
{
|
|
return _text_aliases;
|
|
}
|
|
|
|
EOLIAN static Eina_Bool
|
|
_elm_label_elm_widget_focus_next_manager_is(Eo *obj EINA_UNUSED, Elm_Label_Data *_pd EINA_UNUSED)
|
|
{
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
EOLIAN static Eina_Bool
|
|
_elm_label_elm_widget_focus_direction_manager_is(Eo *obj EINA_UNUSED, Elm_Label_Data *_pd EINA_UNUSED)
|
|
{
|
|
return EINA_FALSE;
|
|
}
|
|
|
|
EOLIAN static void
|
|
_elm_label_class_constructor(Eo_Class *klass)
|
|
{
|
|
evas_smart_legacy_type_register(MY_CLASS_NAME_LEGACY, klass);
|
|
}
|
|
|
|
#include "elm_label.eo.c"
|