701 lines
18 KiB
C
701 lines
18 KiB
C
/*
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* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
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*/
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#include <Elementary.h>
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#include "elm_priv.h"
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/**
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* @defgroup Menu menu
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*
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* A menu is a list of items display on top of the window. Each item can have a sub-menu. It can be used to
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* display a menu on right click, in a toolbar ...
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*
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*/
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typedef struct _Widget_Data Widget_Data;
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struct _Menu_Item
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{
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Evas_Object *menu;
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Evas_Object *o;
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Elm_Menu_Item *parent;
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Eina_Bool separator;
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Eina_Bool disabled;
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//if classic item or submenu
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Evas_Object *icon;
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const char *label;
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void (*func) (void *data, Evas_Object *obj, void *event_info);
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const void *data;
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//
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//if submenu
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Eina_Bool open;
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Evas_Object *hv, *bx, *location;
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Eina_List *items;
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//
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};
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struct _Widget_Data
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{
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Evas_Object *hv, *bx, *location, *parent;
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Eina_List *items;
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Evas_Coord xloc, yloc;
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};
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static void _del_hook(Evas_Object *obj);
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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 _submenu_sizing_eval(Elm_Menu_Item *parent);
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static void _item_sizing_eval(Elm_Menu_Item *item);
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static void _changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info);
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static void _submenu_hide(Elm_Menu_Item *item);
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static void _submenu_open(void *data, Evas_Object *obj, const char *emission, const char *source);
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static void _parent_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
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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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evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize);
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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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Eina_List *l, *ll = NULL;
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Elm_Menu_Item *item;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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ll = eina_list_append(ll, wd->items);
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EINA_LIST_FOREACH(ll, ll, l)
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{
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EINA_LIST_FREE(l, item)
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{
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ll = eina_list_append(ll, item->items);
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if (item->label)
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eina_stringshare_del(item->label);
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if (item->hv)
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{
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evas_object_del(item->hv);
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evas_object_del(item->location);
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}
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free(item);
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}
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}
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if (wd->hv)
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{
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evas_object_del(wd->hv);
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evas_object_del(wd->location);
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}
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free(wd);
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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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Eina_List *l, *_l, *ll = NULL;
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Elm_Menu_Item *item;
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Widget_Data *wd = elm_widget_data_get(obj);
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if (!wd) return;
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ll = eina_list_append(ll, wd->items);
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EINA_LIST_FOREACH(ll, ll, l)
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{
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EINA_LIST_FOREACH(l, _l, item)
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{
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ll = eina_list_append(ll, item->items);
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if (item->separator)
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_elm_theme_set(item->o, "menu", "separator",
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elm_widget_style_get(obj));
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else if (item->bx)
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{
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_elm_theme_set(item->o, "menu", "item_with_submenu",
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elm_widget_style_get(obj));
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elm_menu_item_label_set(item, item->label);
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elm_menu_item_icon_set(item, item->icon);
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}
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else
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{
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_elm_theme_set(item->o, "menu", "item",
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elm_widget_style_get(obj));
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elm_menu_item_label_set(item, item->label);
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elm_menu_item_icon_set(item, item->icon);
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}
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if (item->disabled)
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edje_object_signal_emit(item->o, "elm,state,disabled", "elm");
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else
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edje_object_signal_emit(item->o, "elm,state,enabled", "elm");
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edje_object_message_signal_process(item->o);
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edje_object_scale_set(item->o, elm_widget_scale_get(obj) *
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_elm_config->scale);
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}
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}
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_sizing_eval(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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Eina_List *l;
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Elm_Menu_Item *item;
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Evas_Coord x_p,y_p,w_p,h_p,x2,y2,w2,h2,bx,by,bw,bh;
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Widget_Data *wd = elm_widget_data_get(obj);
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if ((!wd) || (!wd->parent)) return;
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EINA_LIST_FOREACH(wd->items,l,item)
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_item_sizing_eval(item);
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evas_object_geometry_get(wd->location, &x_p, &y_p, &w_p, &h_p);
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evas_object_geometry_get(wd->parent, &x2, &y2, &w2, &h2);
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evas_object_geometry_get(wd->bx, &bx, &by, &bw, &bh);
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x_p = wd->xloc;
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y_p = wd->yloc;
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if (x_p+bw > x2+w2)
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x_p -= x_p+bw - (x2+w2);
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if (x_p < x2)
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x_p += x2 - x_p;
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if (y_p+h_p+bh > y2+h2)
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y_p -= y_p+h_p+bh - (y2+h2);
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if (y_p < y2)
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y_p += y2 - y_p;
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evas_object_move(wd->location, x_p, y_p);
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evas_object_resize(wd->location, bw, h_p);
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evas_object_size_hint_min_set(wd->location, bw, h_p);
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evas_object_size_hint_max_set(wd->location, bw, h_p);
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elm_hover_target_set(wd->hv, wd->location);
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EINA_LIST_FOREACH(wd->items,l,item)
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{
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if (item->open)
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_submenu_sizing_eval(item);
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}
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}
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static void
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_submenu_sizing_eval(Elm_Menu_Item *parent)
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{
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Eina_List *l;
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Elm_Menu_Item *item;
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Evas_Coord x_p,y_p,w_p,h_p,x2,y2,w2,h2,bx,by,bw,bh,px,py,pw,ph;
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Widget_Data *wd = elm_widget_data_get(parent->menu);
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EINA_LIST_FOREACH(parent->items,l,item)
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_item_sizing_eval(item);
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evas_object_geometry_get(parent->location, &x_p, &y_p, &w_p, &h_p);
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evas_object_geometry_get(parent->o, &x2, &y2, &w2, &h2);
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evas_object_geometry_get(parent->bx, &bx, &by, &bw, &bh);
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evas_object_geometry_get(wd->parent, &px, &py, &pw, &ph);
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x_p = x2+w2;
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y_p = y2;
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if (x_p + bw > px + pw)
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x_p = x2-bw;
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if (y_p+bh > py+ph)
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y_p -= y_p+bh - (py+ph);
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if (y_p < py)
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y_p += y_p - y_p;
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evas_object_move(parent->location, x_p, y_p);
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evas_object_resize(parent->location, bw, h_p);
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evas_object_size_hint_min_set(parent->location, bw, h_p);
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evas_object_size_hint_max_set(parent->location, bw, h_p);
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elm_hover_target_set(parent->hv, parent->location);
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EINA_LIST_FOREACH(parent->items,l,item)
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{
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if (item->open)
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_submenu_sizing_eval(item);
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}
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}
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static void
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_item_sizing_eval(Elm_Menu_Item *item)
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{
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Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
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if (!item->separator)
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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edje_object_size_min_restricted_calc(item->o, &minw, &minh, minw, minh);
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if (!item->separator)
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elm_coords_finger_size_adjust(1, &minw, 1, &minh);
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evas_object_size_hint_min_set(item->o, minw, minh);
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evas_object_size_hint_max_set(item->o, maxw, maxh);
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}
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static void
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_changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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// Widget_Data *wd = elm_widget_data_get(data);
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_sizing_eval(data);
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}
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static void
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_menu_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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// Widget_Data *wd = elm_widget_data_get(data);
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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, Evas_Object *obj, void *event_info)
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{
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// Widget_Data *wd = elm_widget_data_get(data);
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_sizing_eval(data);
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}
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static void
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_item_move_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Elm_Menu_Item *item = data;
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if (item->open)
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_submenu_sizing_eval(item);
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}
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static void
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_menu_hide(void *data, Evas_Object *obj, void *event_info)
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{
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Eina_List *l;
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Elm_Menu_Item *item2;
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Widget_Data *wd = elm_widget_data_get(data);
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evas_object_hide(wd->hv);
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evas_object_hide(data);
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EINA_LIST_FOREACH(wd->items, l, item2)
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{
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if (item2->open)
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_submenu_hide(item2);
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}
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}
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static void
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_submenu_hide(Elm_Menu_Item *item)
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{
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Eina_List *l;
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Elm_Menu_Item *item2;
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evas_object_hide(item->hv);
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item->open = EINA_FALSE;
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EINA_LIST_FOREACH(item->items, l, item2)
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{
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if (item2->open)
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_submenu_hide(item2);
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}
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}
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static void
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_menu_item_select(void *data, Evas_Object *obj, const char *emission, const char *source)
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{
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Elm_Menu_Item *it = data;
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if (it->items)
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{
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if (!it->open)
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_submenu_open(it, NULL, NULL, NULL);
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else
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_submenu_hide(it);
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}
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else
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_menu_hide(it->menu, NULL, NULL);
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if (it->func) it->func((void *)(it->data), it->menu, it);
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}
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static void
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_menu_item_activate(void *data, Evas_Object *obj, const char *emission, const char *source)
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{
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Eina_List *l;
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Elm_Menu_Item *item2;
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Elm_Menu_Item *item = data;
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if (item->parent)
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{
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EINA_LIST_FOREACH(item->parent->items, l, item2)
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{
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if ((item2->open) && (item2 != item))
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_submenu_hide(item2);
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}
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}
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else
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{
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Widget_Data *wd = elm_widget_data_get(item->menu);
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EINA_LIST_FOREACH(wd->items, l, item2)
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{
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if ((item2->open) && (item2 != item))
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_submenu_hide(item2);
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}
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}
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}
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static void
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_submenu_open(void *data, Evas_Object *obj, const char *emission, const char *source)
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{
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Elm_Menu_Item *it = data;
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it->open = EINA_TRUE;
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evas_object_show(it->hv);
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_sizing_eval(it->menu);
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}
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static void
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_show(void *data, Evas *e, Evas_Object *obj, void *event_info)
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{
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Widget_Data *wd = elm_widget_data_get(data);
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evas_object_show(wd->hv);
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}
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static void
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_item_obj_create(Elm_Menu_Item *item)
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{
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Widget_Data *wd = elm_widget_data_get(item->menu);
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item->o = edje_object_add(evas_object_evas_get(wd->bx));
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evas_object_size_hint_weight_set(item->o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_fill_set(item->o, EVAS_HINT_FILL, EVAS_HINT_FILL);
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_elm_theme_set(item->o, "menu", "item", elm_widget_style_get(item->menu));
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edje_object_signal_callback_add(item->o, "elm,action,click", "",
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_menu_item_select, item);
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edje_object_signal_callback_add(item->o, "elm,action,activate", "",
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_menu_item_activate, item);
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evas_object_show(item->o);
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}
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static void
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_item_separator_obj_create(Elm_Menu_Item *item)
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{
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Widget_Data *wd = elm_widget_data_get(item->menu);
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item->o = edje_object_add(evas_object_evas_get(wd->bx));
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evas_object_size_hint_weight_set(item->o, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_size_hint_fill_set(item->o, EVAS_HINT_FILL, EVAS_HINT_FILL);
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_elm_theme_set(item->o, "menu", "separator", elm_widget_style_get(item->menu));
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edje_object_signal_callback_add(item->o, "elm,action,activate", "",
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_menu_item_activate, item);
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evas_object_show(item->o);
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}
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static void
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_item_submenu_obj_create(Elm_Menu_Item *item)
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{
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Widget_Data *wd = elm_widget_data_get(item->menu);
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item->location = elm_icon_add(wd->bx);
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item->hv = elm_hover_add(wd->bx);
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elm_hover_target_set(item->hv, item->location);
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elm_hover_parent_set(item->hv, wd->parent);
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elm_hover_style_set(item->hv, "submenu");
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item->bx = elm_box_add(wd->bx);
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evas_object_event_callback_add(item->bx, EVAS_CALLBACK_RESIZE, _menu_resize, item->menu);
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evas_object_size_hint_weight_set(item->bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_show(item->bx);
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elm_hover_content_set(item->hv, elm_hover_best_content_location_get(item->hv, ELM_HOVER_AXIS_VERTICAL), item->bx);
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_elm_theme_set(item->o, "menu", "item_with_submenu", elm_widget_style_get(item->menu));
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elm_menu_item_label_set(item, item->label);
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elm_menu_item_icon_set(item, item->icon);
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edje_object_signal_callback_add(item->o, "elm,action,open", "",
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_submenu_open, item);
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evas_object_event_callback_add(item->o, EVAS_CALLBACK_MOVE, _item_move_resize, item);
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evas_object_event_callback_add(item->o, EVAS_CALLBACK_RESIZE, _item_move_resize, item);
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}
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/**
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* Add a new menu to the parent
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*
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* @param parent The parent object.
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* @return The new object or NULL if it cannot be created.
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*
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* @ingroup Menu
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*/
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EAPI Evas_Object *
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elm_menu_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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wd = ELM_NEW(Widget_Data);
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e = evas_object_evas_get(parent);
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obj = elm_widget_add(e);
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elm_widget_type_set(obj, "menu");
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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_pre_hook);
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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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wd->location = elm_icon_add(obj);
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wd->parent = parent;
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wd->hv = elm_hover_add(obj);
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elm_hover_parent_set(wd->hv, parent);
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elm_hover_target_set(wd->hv, wd->location);
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elm_hover_style_set(wd->hv, "menu");
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evas_object_smart_callback_add(wd->hv, "clicked", _menu_hide, obj);
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wd->bx = elm_box_add(obj);
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evas_object_event_callback_add(wd->bx, EVAS_CALLBACK_RESIZE, _menu_resize, obj);
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evas_object_size_hint_weight_set(wd->bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
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evas_object_show(wd->bx);
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elm_hover_content_set(wd->hv, elm_hover_best_content_location_get(wd->hv, ELM_HOVER_AXIS_VERTICAL), wd->bx);
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evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, obj);
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evas_object_event_callback_add(obj, EVAS_CALLBACK_SHOW, _show, obj);
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_sizing_eval(obj);
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return obj;
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}
|
|
|
|
/*
|
|
* Set the parent
|
|
*
|
|
* @param obj The menu object.
|
|
* @param parent The new parent.
|
|
*/
|
|
EAPI void
|
|
elm_menu_parent_set(Evas_Object *obj, Evas_Object *parent)
|
|
{
|
|
Eina_List *l, *_l, *ll = NULL;
|
|
Elm_Menu_Item *item;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
|
|
if (!wd) return;
|
|
|
|
elm_hover_parent_set(wd->hv, parent);
|
|
wd->parent = parent;
|
|
|
|
ll = eina_list_append(ll, wd->items);
|
|
|
|
EINA_LIST_FOREACH(ll, ll, l)
|
|
{
|
|
EINA_LIST_FOREACH(l, _l, item)
|
|
{
|
|
if (item->hv)
|
|
{
|
|
elm_hover_parent_set(item->hv, parent);
|
|
ll = eina_list_append(ll, item->items);
|
|
}
|
|
}
|
|
}
|
|
_sizing_eval(obj);
|
|
}
|
|
|
|
/*
|
|
* Move the menu to a new position
|
|
*
|
|
* @param obj The menu object.
|
|
* @param x The new position.
|
|
* @param y The new position.
|
|
*/
|
|
EAPI void
|
|
elm_menu_move(Evas_Object *obj, Evas_Coord x, Evas_Coord y)
|
|
{
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
|
|
if (!wd) return;
|
|
wd->xloc = x;
|
|
wd->yloc = y;
|
|
_sizing_eval(obj);
|
|
}
|
|
|
|
/*
|
|
* Add an item at the end
|
|
*
|
|
* @param obj The menu object.
|
|
* @param icon A icon display on the item. The icon will be destryed by the
|
|
* menu.
|
|
* @param label The label of the item.
|
|
* @param func Function called when the user select the item.
|
|
* @param data Data sent by the callback.
|
|
* #return Returns the new item.
|
|
*/
|
|
EAPI Elm_Menu_Item *
|
|
elm_menu_item_add(Evas_Object *obj, Elm_Menu_Item *parent, Evas_Object *icon, const char *label, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
|
|
{
|
|
Elm_Menu_Item *subitem;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
|
|
if (!wd) return;
|
|
subitem = ELM_NEW(Elm_Menu_Item);
|
|
if (!subitem) return NULL;
|
|
subitem->func = func;
|
|
subitem->data = data;
|
|
subitem->menu = obj;
|
|
subitem->parent = parent;
|
|
|
|
_item_obj_create(subitem);
|
|
elm_menu_item_label_set(subitem, label);
|
|
elm_menu_item_icon_set(subitem, icon);
|
|
|
|
if (parent)
|
|
{
|
|
if (!parent->bx)
|
|
_item_submenu_obj_create(parent);
|
|
elm_box_pack_end(parent->bx, subitem->o);
|
|
parent->items = eina_list_append(parent->items, subitem);
|
|
}
|
|
else
|
|
{
|
|
elm_box_pack_end(wd->bx, subitem->o);
|
|
wd->items = eina_list_append(wd->items, subitem);
|
|
}
|
|
|
|
_sizing_eval(obj);
|
|
return subitem;
|
|
}
|
|
|
|
EAPI void
|
|
elm_menu_item_label_set(Elm_Menu_Item *item, const char *label)
|
|
{
|
|
Evas_Coord mw, mh;
|
|
|
|
if (item->label) eina_stringshare_del(item->label);
|
|
if (label)
|
|
{
|
|
item->label = eina_stringshare_add(label);
|
|
edje_object_signal_emit(item->o, "elm,state,text,visible", "elm");
|
|
}
|
|
else
|
|
{
|
|
item->label = NULL;
|
|
edje_object_signal_emit(item->o, "elm,state,text,hidden", "elm");
|
|
}
|
|
edje_object_message_signal_process(item->o);
|
|
edje_object_part_text_set(item->o, "elm.text", label);
|
|
_sizing_eval(item->menu);
|
|
}
|
|
|
|
EAPI const char *
|
|
elm_menu_item_label_get(Elm_Menu_Item *item)
|
|
{
|
|
if (!item) return ;
|
|
return item->label;
|
|
}
|
|
|
|
|
|
EAPI void
|
|
elm_menu_item_icon_set(Elm_Menu_Item *item, Evas_Object *icon)
|
|
{
|
|
if ((item->icon != icon) && (item->icon))
|
|
elm_widget_sub_object_del(item->menu, item->icon);
|
|
if ((icon) && (item->icon != icon))
|
|
{
|
|
item->icon = icon;
|
|
elm_widget_sub_object_add(item->menu, icon);
|
|
edje_object_part_swallow(item->o, "elm.swallow.content", icon);
|
|
edje_object_signal_emit(item->o, "elm,state,icon,visible", "elm");
|
|
evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
|
|
_changed_size_hints, item->menu);
|
|
edje_object_message_signal_process(item->o);
|
|
_sizing_eval(item->menu);
|
|
}
|
|
else
|
|
item->icon = icon;
|
|
}
|
|
|
|
EAPI void
|
|
elm_menu_item_disabled_set(Elm_Menu_Item *item, Eina_Bool disabled)
|
|
{
|
|
if (disabled == item->disabled) return;
|
|
|
|
item->disabled = disabled;
|
|
if (disabled)
|
|
{
|
|
edje_object_signal_emit(item->o, "elm,state,disabled", "elm");
|
|
if (item->open) _submenu_hide(item);
|
|
}
|
|
else
|
|
edje_object_signal_emit(item->o, "elm,state,enabled", "elm");
|
|
edje_object_message_signal_process(item->o);
|
|
}
|
|
|
|
EAPI Elm_Menu_Item *
|
|
elm_menu_item_separator_add(Evas_Object *obj, Elm_Menu_Item *parent)
|
|
{
|
|
Elm_Menu_Item *subitem;
|
|
Widget_Data *wd = elm_widget_data_get(obj);
|
|
|
|
if (!wd) return;
|
|
subitem = ELM_NEW(Elm_Menu_Item);
|
|
if (!subitem) return NULL;
|
|
subitem->menu = obj;
|
|
subitem->separator = 1;
|
|
|
|
_item_separator_obj_create(subitem);
|
|
|
|
if (!parent)
|
|
{
|
|
elm_box_pack_end(wd->bx, subitem->o);
|
|
wd->items = eina_list_append(wd->items, subitem);
|
|
}
|
|
else
|
|
{
|
|
if (!parent->bx)
|
|
_item_submenu_obj_create(parent);
|
|
elm_box_pack_end(parent->bx, subitem->o);
|
|
parent->items = eina_list_append(parent->items, subitem);
|
|
}
|
|
|
|
_sizing_eval(obj);
|
|
return subitem;
|
|
}
|
|
|
|
EAPI void
|
|
elm_menu_item_del(Elm_Menu_Item *item)
|
|
{
|
|
Eina_List *l;
|
|
Elm_Menu_Item *_item;
|
|
|
|
if (!item) return;
|
|
|
|
EINA_LIST_FREE(item->items, _item)
|
|
elm_menu_item_del(_item);
|
|
|
|
if (item->label) eina_stringshare_del(item->label);
|
|
if (item->icon) evas_object_del(item->icon);
|
|
if (item->hv) evas_object_del(item->hv);
|
|
if (item->location) evas_object_del(item->location);
|
|
if (item->o) evas_object_del(item->o);
|
|
|
|
if (item->parent)
|
|
item->parent->items = eina_list_remove(item->parent->items, item);
|
|
else
|
|
{
|
|
Widget_Data *wd = elm_widget_data_get(item->menu);
|
|
wd->items = eina_list_remove(wd->items, item);
|
|
}
|
|
|
|
free(item);
|
|
}
|
|
|
|
EAPI const Eina_List *
|
|
elm_menu_item_subitems_get(Elm_Menu_Item *item)
|
|
{
|
|
return item->items;
|
|
}
|