forked from enlightenment/efl
986 lines
26 KiB
C
986 lines
26 KiB
C
#include <Elementary.h>
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#include "elm_priv.h"
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/**
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* @defgroup Hover Hover
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*
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* A Hover object will over its @p parent object at the @p target
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* location. Anything in the background will be given a darker
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* coloring to indicate that the hover object is on top (at the
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* default theme).
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*
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* @note The hover object will take up the entire space of @p target
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* object.
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*/
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typedef struct _Widget_Data Widget_Data;
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typedef struct _Content_Info Content_Info;
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#ifndef MAX
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# define MAX(a, b) (((a) > (b)) ? (a) : (b))
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#endif
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#define ELM_HOVER_PARTS_FOREACH unsigned int i = 0; \
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for (i = 0; i < sizeof(wd->subs) / sizeof(wd->subs[0]); i++)
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static const char *_directions[] = {
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"left",
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"top-left",
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"top",
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"top-right",
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"right",
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"bottom-right",
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"bottom",
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"bottom-left",
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"middle"
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};
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#define _HOV_LEFT (_directions[0])
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#define _HOV_TOP_LEFT (_directions[1])
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#define _HOV_TOP (_directions[2])
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#define _HOV_TOP_RIGHT (_directions[2])
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#define _HOV_RIGHT (_directions[4])
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#define _HOV_BOTTOM_RIGHT (_directions[5])
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#define _HOV_BOTTOM (_directions[6])
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#define _HOV_BOTTOM_LEFT (_directions[7])
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#define _HOV_MIDDLE (_directions[8])
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struct _Content_Info
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{
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const char *swallow;
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Evas_Object *obj;
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};
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struct _Widget_Data
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{
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Evas_Object *hov, *cov;
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Evas_Object *offset, *size;
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Evas_Object *parent, *target;
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Evas_Object *smt_sub;
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Content_Info subs[sizeof(_directions)/sizeof(_directions[0])];
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};
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static const char *widtype = NULL;
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static void _del_pre_hook(Evas_Object *obj);
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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 void _reval_content(Evas_Object *obj);
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static void _sub_del(void *data, Evas_Object *obj, void *event_info);
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static void _hov_show_do(Evas_Object *obj);
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static void _hov_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _hov_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _hov_show(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _hov_hide(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _on_focus_hook(void *data, Evas_Object *obj);
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static void _elm_hover_sub_obj_placement_eval_cb(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _elm_hover_sub_obj_placement_eval(Evas_Object *obj);
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static const char SIG_CLICKED[] = "clicked";
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static const char SIG_SMART_LOCATION_CHANGED[] = "smart,changed";
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static const Evas_Smart_Cb_Description _signals[] = {
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{SIG_CLICKED, ""},
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{SIG_SMART_LOCATION_CHANGED, ""},
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{NULL, NULL}
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};
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static void
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_del_pre_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)
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return;
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if (evas_object_visible_get(obj))
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evas_object_smart_callback_call(obj, SIG_CLICKED, NULL);
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elm_hover_target_set(obj, NULL);
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elm_hover_parent_set(obj, NULL);
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evas_object_event_callback_del_full(wd->hov, EVAS_CALLBACK_MOVE, _hov_move, obj);
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evas_object_event_callback_del_full(wd->hov, EVAS_CALLBACK_RESIZE, _hov_resize, obj);
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evas_object_event_callback_del_full(wd->hov, EVAS_CALLBACK_SHOW, _hov_show, obj);
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evas_object_event_callback_del_full(wd->hov, EVAS_CALLBACK_HIDE, _hov_hide, obj);
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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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free(wd);
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}
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static void
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_on_focus_hook(void *data __UNUSED__, 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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if (elm_widget_focus_get(obj))
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{
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edje_object_signal_emit(wd->cov, "elm,action,focus", "elm");
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evas_object_focus_set(wd->cov, EINA_TRUE);
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}
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else
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{
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edje_object_signal_emit(wd->cov, "elm,action,unfocus", "elm");
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evas_object_focus_set(wd->cov, EINA_FALSE);
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}
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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->cov, 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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_elm_widget_mirrored_reload(obj);
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_mirrored_set(obj, elm_widget_mirrored_get(obj));
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// FIXME: hover contents doesn't seem to propagate resizes properly
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_elm_theme_object_set(obj, wd->cov, "hover", "base", elm_widget_style_get(obj));
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edje_object_scale_set(wd->cov, elm_widget_scale_get(obj) *
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_elm_config->scale);
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if (wd->smt_sub)
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_elm_hover_sub_obj_placement_eval(obj);
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else
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_reval_content(obj);
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_sizing_eval(obj);
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if (evas_object_visible_get(wd->cov)) _hov_show_do(obj);
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}
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static void
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_signal_emit_hook(Evas_Object *obj, const char *emission, const char *source)
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{
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Widget_Data *wd;
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wd = elm_widget_data_get(obj);
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if (!wd)
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return;
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edje_object_signal_emit(wd->cov, emission, source);
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}
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static void
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_signal_callback_add_hook(Evas_Object *obj, const char *emission, const char *source, void (*func_cb) (void *data, Evas_Object *o, const char *emission, const char *source), void *data)
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{
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Widget_Data *wd;
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wd = elm_widget_data_get(obj);
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if (!wd)
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return;
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edje_object_signal_callback_add(wd->hov, emission, source, func_cb, data);
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}
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static void
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_signal_callback_del_hook(Evas_Object *obj, const char *emission, const char *source, void (*func_cb) (void *data, Evas_Object *o, const char *emission, const char *source), void *data)
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{
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Widget_Data *wd;
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wd = elm_widget_data_get(obj);
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edje_object_signal_callback_del_full(wd->hov, emission, source, func_cb,
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data);
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}
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static void
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_elm_hover_left_space_calc(Widget_Data *wd, Evas_Coord *spc_l, Evas_Coord *spc_t, Evas_Coord *spc_r, Evas_Coord *spc_b)
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{
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Evas_Coord x = 0, y = 0, w = 0, h = 0, x2 = 0, y2 = 0, w2 = 0, h2 = 0;
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if (wd->parent)
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evas_object_geometry_get(wd->parent, &x, &y, &w, &h);
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if (wd->target)
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evas_object_geometry_get(wd->target, &x2, &y2, &w2, &h2);
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*spc_l = x2 - x;
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*spc_r = (x + w) - (x2 + w2);
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if (*spc_l < 0)
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*spc_l = 0;
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if (*spc_r < 0)
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*spc_r = 0;
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*spc_t = y2 - y;
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*spc_b = (y + h) - (y2 + h2);
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if (*spc_t < 0)
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*spc_t = 0;
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if (*spc_b < 0)
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*spc_b = 0;
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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 ofs_x, x = 0, y = 0, w = 0, h = 0, x2 = 0, y2 = 0, w2 = 0, h2 = 0;
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if (!wd) return;
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if (wd->parent) evas_object_geometry_get(wd->parent, &x, &y, &w, &h);
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if (wd->hov) evas_object_geometry_get(wd->hov, &x2, &y2, &w2, &h2);
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if (elm_widget_mirrored_get(obj))
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ofs_x = w - (x2 - x) - w2;
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else
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ofs_x = x2 - x;
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evas_object_move(wd->cov, x, y);
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evas_object_resize(wd->cov, w, h);
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evas_object_size_hint_min_set(wd->offset, ofs_x, y2 - y);
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evas_object_size_hint_min_set(wd->size, w2, h2);
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edje_object_part_swallow(wd->cov, "elm.swallow.offset", wd->offset);
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edje_object_part_swallow(wd->cov, "elm.swallow.size", wd->size);
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}
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static void
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_reval_content(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)
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return;
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ELM_HOVER_PARTS_FOREACH
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{
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char buf[1024];
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snprintf(buf, sizeof(buf), "elm.swallow.slot.%s", wd->subs[i].swallow);
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edje_object_part_swallow(wd->cov, buf, wd->subs[i].obj);
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}
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}
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static const char *
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_elm_hover_smart_content_location_get(Widget_Data *wd, Evas_Coord spc_l, Evas_Coord spc_t, Evas_Coord spc_r, Evas_Coord spc_b)
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{
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Evas_Coord c_w = 0, c_h = 0, mid_w, mid_h;
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int max;
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evas_object_size_hint_min_get(wd->smt_sub, &c_w, &c_h);
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mid_w = c_w / 2;
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mid_h = c_h / 2;
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if (spc_l > spc_r)
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goto left;
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max = MAX(spc_t, spc_r);
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max = MAX(max, spc_b);
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if (max == spc_t)
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{
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if (mid_w > spc_l)
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return _HOV_TOP_RIGHT;
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return _HOV_TOP;
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}
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if (max == spc_r)
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{
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if (mid_h > spc_t)
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return _HOV_BOTTOM_RIGHT;
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else if (mid_h > spc_b)
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return _HOV_TOP_RIGHT;
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return _HOV_RIGHT;
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}
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if (mid_h > spc_l)
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return _HOV_BOTTOM_RIGHT;
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return _HOV_BOTTOM;
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left:
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max = MAX(spc_t, spc_l);
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max = MAX(max, spc_b);
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if (max == spc_t)
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{
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if (mid_w > spc_r)
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return _HOV_TOP_LEFT;
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return _HOV_TOP;
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}
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if (max == spc_l)
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{
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if (mid_h > spc_t)
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return _HOV_BOTTOM_LEFT;
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else if (mid_h > spc_b)
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return _HOV_TOP_LEFT;
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return _HOV_LEFT;
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}
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if (mid_h > spc_r)
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return _HOV_BOTTOM_LEFT;
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return _HOV_BOTTOM;
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}
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static void
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_sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd;
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Evas_Object *sub;
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sub = event_info;
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wd = elm_widget_data_get(obj);
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if (!wd)
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return;
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if (wd->smt_sub)
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{
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if (wd->smt_sub == sub)
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wd->smt_sub = NULL;
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}
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else
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{
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ELM_HOVER_PARTS_FOREACH
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{
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if (wd->subs[i].obj == sub)
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{
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wd->subs[i].obj = NULL;
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break;
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}
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}
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}
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}
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static void
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_hov_show_do(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)
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return;
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if (wd->cov)
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{
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evas_object_show(wd->cov);
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edje_object_signal_emit(wd->cov, "elm,action,show", "elm");
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}
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ELM_HOVER_PARTS_FOREACH
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{
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char buf[1024];
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if (wd->subs[i].obj)
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{
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snprintf(buf, sizeof(buf), "elm,action,slot,%s,show",
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wd->subs[i].swallow);
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edje_object_signal_emit(wd->cov, buf, "elm");
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}
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}
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}
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static void
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_hov_move(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_sizing_eval(data);
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}
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static void
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_hov_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_sizing_eval(data);
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}
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static void
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_hov_show(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_hov_show_do(data);
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}
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static void
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_hov_hide(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->cov)
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{
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edje_object_signal_emit(wd->cov, "elm,action,hide", "elm");
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evas_object_hide(wd->cov);
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}
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ELM_HOVER_PARTS_FOREACH
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{
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char buf[1024];
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if (wd->subs[i].obj)
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{
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snprintf(buf, sizeof(buf), "elm,action,slot,%s,hide",
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wd->subs[i].swallow);
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edje_object_signal_emit(wd->cov, buf, "elm");
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}
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}
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}
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static void
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_target_del(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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wd->target = NULL;
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}
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static void
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_target_move(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)
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return;
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_sizing_eval(data);
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_elm_hover_sub_obj_placement_eval(data);
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}
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static void
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_signal_dismiss(void *data, Evas_Object *obj __UNUSED__, const char *emission __UNUSED__, const char *source __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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evas_object_hide(data);
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evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
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}
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static void
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_parent_move(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_sizing_eval(data);
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}
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static void
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_parent_resize(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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_sizing_eval(data);
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}
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static void
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_parent_show(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
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{
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}
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static void
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_parent_hide(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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evas_object_hide(wd->cov);
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}
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static void
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_parent_del(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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elm_hover_parent_set(data, NULL);
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_sizing_eval(data);
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}
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/**
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* Adds a hover object to @p parent
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*
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* @param parent The parent object
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* @return The hover object or NULL if one could not be created
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*
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* @ingroup Hover
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*/
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EAPI Evas_Object *
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elm_hover_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);
|
|
|
|
ELM_SET_WIDTYPE(widtype, "hover");
|
|
elm_widget_type_set(obj, "hover");
|
|
elm_widget_sub_object_add(parent, obj);
|
|
elm_widget_on_focus_hook_set(obj, _on_focus_hook, NULL);
|
|
elm_widget_data_set(obj, wd);
|
|
elm_widget_del_pre_hook_set(obj, _del_pre_hook);
|
|
elm_widget_theme_hook_set(obj, _theme_hook);
|
|
elm_widget_del_hook_set(obj, _del_hook);
|
|
elm_widget_can_focus_set(obj, EINA_TRUE);
|
|
elm_widget_signal_emit_hook_set(obj, _signal_emit_hook);
|
|
elm_widget_signal_callback_add_hook_set(obj, _signal_callback_add_hook);
|
|
elm_widget_signal_callback_del_hook_set(obj, _signal_callback_del_hook);
|
|
|
|
ELM_HOVER_PARTS_FOREACH
|
|
wd->subs[i].swallow = _directions[i];
|
|
|
|
wd->hov = evas_object_rectangle_add(e);
|
|
evas_object_pass_events_set(wd->hov, EINA_TRUE);
|
|
evas_object_color_set(wd->hov, 0, 0, 0, 0);
|
|
elm_widget_resize_object_set(obj, wd->hov);
|
|
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_MOVE, _hov_move, obj);
|
|
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_RESIZE, _hov_resize, obj);
|
|
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_SHOW, _hov_show, obj);
|
|
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_HIDE, _hov_hide, obj);
|
|
|
|
wd->cov = edje_object_add(e);
|
|
_elm_theme_object_set(obj, wd->cov, "hover", "base", "default");
|
|
elm_widget_sub_object_add(obj, wd->cov);
|
|
edje_object_signal_callback_add(wd->cov, "elm,action,dismiss", "",
|
|
_signal_dismiss, obj);
|
|
|
|
wd->offset = evas_object_rectangle_add(e);
|
|
evas_object_pass_events_set(wd->offset, EINA_TRUE);
|
|
evas_object_color_set(wd->offset, 0, 0, 0, 0);
|
|
elm_widget_sub_object_add(obj, wd->offset);
|
|
|
|
wd->size = evas_object_rectangle_add(e);
|
|
evas_object_pass_events_set(wd->size, EINA_TRUE);
|
|
evas_object_color_set(wd->size, 0, 0, 0, 0);
|
|
elm_widget_sub_object_add(obj, wd->size);
|
|
|
|
edje_object_part_swallow(wd->cov, "elm.swallow.offset", wd->offset);
|
|
edje_object_part_swallow(wd->cov, "elm.swallow.size", wd->size);
|
|
|
|
evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
|
|
|
|
elm_hover_parent_set(obj, parent);
|
|
evas_object_smart_callbacks_descriptions_set(obj, _signals);
|
|
|
|
_mirrored_set(obj, elm_widget_mirrored_get(obj));
|
|
_sizing_eval(obj);
|
|
return obj;
|
|
}
|
|
|
|
/**
|
|
* Sets the target object for the hover.
|
|
*
|
|
* @param obj The hover object
|
|
* @param target The object to center the hover onto. The hover
|
|
* will take up the entire space that the target object fills.
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI void
|
|
elm_hover_target_set(Evas_Object *obj, Evas_Object *target)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
|
|
if (wd->target)
|
|
{
|
|
evas_object_event_callback_del_full(wd->target, EVAS_CALLBACK_DEL,
|
|
_target_del, obj);
|
|
evas_object_event_callback_del_full(wd->target, EVAS_CALLBACK_MOVE,
|
|
_target_move, obj);
|
|
}
|
|
wd->target = target;
|
|
if (wd->target)
|
|
{
|
|
evas_object_event_callback_add(wd->target, EVAS_CALLBACK_DEL,
|
|
_target_del, obj);
|
|
evas_object_event_callback_add(wd->target, EVAS_CALLBACK_MOVE,
|
|
_target_move, obj);
|
|
elm_widget_hover_object_set(target, obj);
|
|
_sizing_eval(obj);
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Sets the parent object for the hover.
|
|
*
|
|
* @param obj The hover object
|
|
* @param parent The object to locate the hover over.
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI void
|
|
elm_hover_parent_set(Evas_Object *obj, Evas_Object *parent)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return;
|
|
if (wd->parent)
|
|
{
|
|
evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_MOVE,
|
|
_parent_move, obj);
|
|
evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_RESIZE,
|
|
_parent_resize, obj);
|
|
evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_SHOW,
|
|
_parent_show, obj);
|
|
evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_HIDE,
|
|
_parent_hide, obj);
|
|
evas_object_event_callback_del_full(wd->parent, EVAS_CALLBACK_DEL,
|
|
_parent_del, obj);
|
|
}
|
|
wd->parent = parent;
|
|
if (wd->parent)
|
|
{
|
|
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_MOVE,
|
|
_parent_move, obj);
|
|
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE,
|
|
_parent_resize, obj);
|
|
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_SHOW,
|
|
_parent_show, obj);
|
|
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_HIDE,
|
|
_parent_hide, obj);
|
|
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL,
|
|
_parent_del, obj);
|
|
// elm_widget_sub_object_add(parent, obj);
|
|
}
|
|
_sizing_eval(obj);
|
|
}
|
|
|
|
/**
|
|
* Gets the target object for the hover.
|
|
*
|
|
* @param obj The hover object
|
|
* @return The target object of the hover.
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI Evas_Object *
|
|
elm_hover_target_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return NULL;
|
|
|
|
return wd->target;
|
|
}
|
|
|
|
/**
|
|
* Gets the parent object for the hover.
|
|
*
|
|
* @param obj The hover object
|
|
* @return The parent object to locate the hover over.
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI Evas_Object *
|
|
elm_hover_parent_get(const Evas_Object *obj)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
if (!wd) return NULL;
|
|
|
|
return wd->parent;
|
|
}
|
|
|
|
static void
|
|
_elm_hover_subs_del(Widget_Data *wd)
|
|
{
|
|
ELM_HOVER_PARTS_FOREACH
|
|
{
|
|
if (wd->subs[i].obj)
|
|
{
|
|
evas_object_del(wd->subs[i].obj);
|
|
wd->subs[i].obj = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
_elm_hover_sub_obj_placement_eval(Evas_Object *obj)
|
|
{
|
|
Evas_Coord spc_l, spc_r, spc_t, spc_b;
|
|
const char *smart_dir;
|
|
Widget_Data *wd;
|
|
char buf[1024];
|
|
|
|
wd = elm_widget_data_get(obj);
|
|
if (!wd->smt_sub)
|
|
return;
|
|
|
|
_elm_hover_left_space_calc(wd, &spc_l, &spc_t, &spc_r, &spc_b);
|
|
|
|
edje_object_part_unswallow(wd->cov, wd->smt_sub);
|
|
|
|
smart_dir = _elm_hover_smart_content_location_get(wd, spc_l, spc_t, spc_r,
|
|
spc_b);
|
|
evas_object_smart_callback_call(obj, SIG_SMART_LOCATION_CHANGED,
|
|
(void *)smart_dir);
|
|
|
|
if (elm_widget_mirrored_get(obj))
|
|
{
|
|
if (smart_dir == _HOV_BOTTOM_LEFT)
|
|
smart_dir = _HOV_BOTTOM_RIGHT;
|
|
else if (smart_dir == _HOV_BOTTOM_RIGHT)
|
|
smart_dir = _HOV_BOTTOM_LEFT;
|
|
else if (smart_dir == _HOV_RIGHT)
|
|
smart_dir = _HOV_LEFT;
|
|
else if (smart_dir == _HOV_LEFT)
|
|
smart_dir = _HOV_RIGHT;
|
|
else if (smart_dir == _HOV_TOP_RIGHT)
|
|
smart_dir = _HOV_TOP_LEFT;
|
|
else if (smart_dir == _HOV_TOP_LEFT)
|
|
smart_dir = _HOV_TOP_RIGHT;
|
|
}
|
|
snprintf(buf, sizeof(buf), "elm.swallow.slot.%s", smart_dir);
|
|
edje_object_part_swallow(wd->cov, buf, wd->smt_sub);
|
|
}
|
|
|
|
static void
|
|
_elm_hover_sub_obj_placement_eval_cb(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
|
|
{
|
|
_elm_hover_sub_obj_placement_eval(data);
|
|
}
|
|
|
|
/**
|
|
* Sets the content of the hover object and the direction in which
|
|
* it will pop out.
|
|
*
|
|
* Once the content object is set for a given direction, a previously
|
|
* set one (on the same direction) will be deleted. If you want to
|
|
* keep that old content object, use the elm_hover_content_unset()
|
|
* function.
|
|
*
|
|
* @param obj The hover object
|
|
* @param swallow The direction that the object will be displayed
|
|
* at. Accepted values are "left", "top-left", "top", "top-right",
|
|
* "right", "bottom-right", "bottom", "bottom-left", "middle" and
|
|
* "smart".
|
|
* @param content The content to place at @p swallow
|
|
*
|
|
* All directions may have contents at the same time, except for
|
|
* "smart". This is a special placement hint and its use case
|
|
* independs of the calculations coming from
|
|
* elm_hover_best_content_location_get(). Its use is for cases when
|
|
* one desires only one hover content, but with a dinamic special
|
|
* placement within the hover area. The content's geometry, whenever
|
|
* it changes, will be used to decide on a best location not
|
|
* extrapolating the hover's parent object view to show it in (still
|
|
* being the hover's target determinant of its medium part -- move and
|
|
* resize it to simulate finger sizes, for example). If one of the
|
|
* directions other than "smart" are used, a previously content set
|
|
* using it will be deleted, and vice-versa.
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI void
|
|
elm_hover_content_set(Evas_Object *obj, const char *swallow, Evas_Object *content)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype);
|
|
|
|
Widget_Data *wd;
|
|
|
|
wd = elm_widget_data_get(obj);
|
|
if (!wd)
|
|
return;
|
|
|
|
if (!strcmp(swallow, "smart"))
|
|
{
|
|
if (wd->smt_sub != content)
|
|
{
|
|
_elm_hover_subs_del(wd);
|
|
wd->smt_sub = content;
|
|
}
|
|
|
|
if (content)
|
|
{
|
|
elm_widget_sub_object_add(obj, content);
|
|
evas_object_event_callback_add(wd->smt_sub,
|
|
EVAS_CALLBACK_CHANGED_SIZE_HINTS,
|
|
_elm_hover_sub_obj_placement_eval_cb,
|
|
obj);
|
|
|
|
_elm_hover_sub_obj_placement_eval(obj);
|
|
}
|
|
|
|
goto end;
|
|
}
|
|
|
|
if (wd->smt_sub)
|
|
{
|
|
evas_object_del(wd->smt_sub);
|
|
wd->smt_sub = NULL;
|
|
}
|
|
|
|
ELM_HOVER_PARTS_FOREACH
|
|
{
|
|
if (!strcmp(swallow, wd->subs[i].swallow))
|
|
{
|
|
if (content == wd->subs[i].obj)
|
|
return;
|
|
evas_object_del(wd->subs[i].obj);
|
|
wd->subs[i].obj = NULL;
|
|
|
|
if (content)
|
|
{
|
|
char buf[1024];
|
|
|
|
snprintf(buf, sizeof(buf), "elm.swallow.slot.%s", swallow);
|
|
elm_widget_sub_object_add(obj, content);
|
|
edje_object_part_swallow(wd->cov, buf, content);
|
|
wd->subs[i].obj = content;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
end:
|
|
_sizing_eval(obj);
|
|
}
|
|
|
|
/**
|
|
* Get the content of the hover object, in a given direction.
|
|
*
|
|
* Return the content object which was set for this widget in the
|
|
* given direction.
|
|
*
|
|
* @param obj The hover object
|
|
* @param swallow The direction that the object was display at.
|
|
* @return The content that was being used
|
|
*
|
|
* @note See elm_hover_content_set() for more information.
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI Evas_Object *
|
|
elm_hover_content_get(const Evas_Object *obj, const char *swallow)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
|
|
Widget_Data *wd;
|
|
|
|
wd = elm_widget_data_get(obj);
|
|
if (!wd)
|
|
return NULL;
|
|
|
|
if (!strcmp(swallow, "smart"))
|
|
return wd->smt_sub;
|
|
|
|
ELM_HOVER_PARTS_FOREACH
|
|
if (!strcmp(swallow, wd->subs[i].swallow))
|
|
return wd->subs[i].obj;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void
|
|
_elm_hover_sub_obj_unparent(Evas_Object *obj)
|
|
{
|
|
Widget_Data *wd;
|
|
|
|
wd = elm_widget_data_get(obj);
|
|
|
|
elm_widget_sub_object_del(obj, wd->smt_sub);
|
|
evas_object_event_callback_del_full(wd->smt_sub,
|
|
EVAS_CALLBACK_CHANGED_SIZE_HINTS,
|
|
_elm_hover_sub_obj_placement_eval_cb,
|
|
obj);
|
|
edje_object_part_unswallow(wd->cov, wd->smt_sub);
|
|
wd->smt_sub = NULL;
|
|
}
|
|
|
|
/**
|
|
* Unset the content of the hover object, in a given direction.
|
|
*
|
|
* Unparent and return the content object set at that direction.
|
|
*
|
|
* @param obj The hover object
|
|
* @param swallow The direction that the object was display at.
|
|
* @return The content that was being used.
|
|
*
|
|
* @note See elm_hover_content_set() for more information.
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI Evas_Object *
|
|
elm_hover_content_unset(Evas_Object *obj, const char *swallow)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
|
|
Widget_Data *wd;
|
|
|
|
wd = elm_widget_data_get(obj);
|
|
if (!wd)
|
|
return NULL;
|
|
|
|
if (!strcmp(swallow, "smart"))
|
|
{
|
|
Evas_Object *content;
|
|
|
|
if (!wd->smt_sub)
|
|
return NULL;
|
|
|
|
content = wd->smt_sub;
|
|
_elm_hover_sub_obj_unparent(obj);
|
|
return content;
|
|
}
|
|
|
|
ELM_HOVER_PARTS_FOREACH
|
|
{
|
|
if (!strcmp(swallow, wd->subs[i].swallow))
|
|
{
|
|
Evas_Object *content;
|
|
|
|
if (!wd->subs[i].obj)
|
|
return NULL;
|
|
|
|
content = wd->subs[i].obj;
|
|
elm_widget_sub_object_del(obj, wd->subs[i].obj);
|
|
edje_object_part_unswallow(wd->cov, wd->subs[i].obj);
|
|
wd->subs[i].obj = NULL;
|
|
|
|
return content;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Returns the best swallow location for content in the hover.
|
|
*
|
|
* @param obj The hover object
|
|
* @param pref_axis The preferred orientation axis for the hover object to use
|
|
* @return The edje location to place content into the hover or @c
|
|
* NULL, on errors.
|
|
*
|
|
* @p pref_axis may be one of
|
|
* <ul>
|
|
* - @c ELM_HOVER_AXIS_NONE -- no prefered orientation
|
|
* - @c ELM_HOVER_AXIS_HORIZONTAL -- horizontal
|
|
* - @c ELM_HOVER_AXIS_VERTICAL -- vertical
|
|
* - @c ELM_HOVER_AXIS_BOTH -- both
|
|
* </ul>
|
|
*
|
|
* See also elm_hover_content_set().
|
|
*
|
|
* @ingroup Hover
|
|
*/
|
|
EAPI const char *
|
|
elm_hover_best_content_location_get(const Evas_Object *obj, Elm_Hover_Axis pref_axis)
|
|
{
|
|
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
|
|
|
|
Evas_Coord spc_l, spc_r, spc_t, spc_b;
|
|
Widget_Data *wd;
|
|
|
|
wd = elm_widget_data_get(obj);
|
|
if (!wd)
|
|
return NULL;
|
|
|
|
_elm_hover_left_space_calc(wd, &spc_l, &spc_t, &spc_r, &spc_b);
|
|
|
|
if (pref_axis == ELM_HOVER_AXIS_HORIZONTAL)
|
|
{
|
|
if (spc_l < spc_r) return _HOV_RIGHT;
|
|
else return _HOV_LEFT;
|
|
}
|
|
else if (pref_axis == ELM_HOVER_AXIS_VERTICAL)
|
|
{
|
|
if (spc_t < spc_b) return _HOV_BOTTOM;
|
|
else return _HOV_TOP;
|
|
}
|
|
|
|
if (spc_l < spc_r)
|
|
{
|
|
if (spc_t > spc_r) return _HOV_TOP;
|
|
else if (spc_b > spc_r) return _HOV_BOTTOM;
|
|
return _HOV_RIGHT;
|
|
}
|
|
if (spc_t > spc_r) return _HOV_TOP;
|
|
else if (spc_b > spc_r) return _HOV_BOTTOM;
|
|
return _HOV_LEFT;
|
|
}
|