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[elm] Menu now inheritable. 

SVN revision: 74605
This commit is contained in:
Gustavo Lima Chaves 2012-07-30 22:35:55 +00:00
parent 4ee9bb397e
commit 463dd0f8ae
2 changed files with 224 additions and 82 deletions
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111
legacy/elementary/src/lib/elm_menu.c
View File

@ -1,78 +1,8 @@
#include <Elementary.h>
#include "elm_priv.h"
#include "elm_widget_menu.h"
static const char MENU_SMART_NAME[] = "elm_menu";
#define ELM_MENU_DATA_GET(o, sd) \
Elm_Menu_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_MENU_DATA_GET_OR_RETURN(o, ptr) \
ELM_MENU_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_MENU_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_MENU_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_MENU_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), MENU_SMART_NAME, __func__)) \
return
#define ELM_MENU_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_MENU_CHECK(it->base.widget);
#define ELM_MENU_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_MENU_CHECK(it->base.widget) __VA_ARGS__;
typedef struct _Elm_Menu_Smart_Data Elm_Menu_Smart_Data;
typedef struct _Elm_Menu_Item Elm_Menu_Item;
struct _Elm_Menu_Item
{
ELM_WIDGET_ITEM;
Elm_Menu_Item *parent;
Evas_Object *content;
const char *icon_str;
const char *label;
Evas_Smart_Cb func;
unsigned int idx;
struct
{
Evas_Object *hv, *bx, *location;
Eina_List *items;
Eina_Bool open : 1;
} submenu;
Eina_Bool separator : 1;
Eina_Bool selected : 1;
Eina_Bool object_item : 1;
};
struct _Elm_Menu_Smart_Data
{
Elm_Widget_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
Evas_Object *hv, *bx, *location, *parent;
Eina_List *items;
Evas_Coord xloc, yloc;
};
EAPI const char ELM_MENU_SMART_NAME[] = "elm_menu";
static const char SIG_CLICKED[] = "clicked";
static const Evas_Smart_Cb_Description _smart_callbacks[] = {
@ -81,8 +11,8 @@ static const Evas_Smart_Cb_Description _smart_callbacks[] = {
};
EVAS_SMART_SUBCLASS_NEW
(MENU_SMART_NAME, _elm_menu, Elm_Widget_Smart_Class, Elm_Widget_Smart_Class,
elm_widget_smart_class_get, _smart_callbacks);
(ELM_MENU_SMART_NAME, _elm_menu, Elm_Menu_Smart_Class,
Elm_Widget_Smart_Class, elm_widget_smart_class_get, _smart_callbacks);
static void
_item_del(Elm_Menu_Item *item)
@ -647,18 +577,35 @@ _elm_menu_smart_parent_set(Evas_Object *obj,
}
static void
_elm_menu_smart_set_user(Elm_Widget_Smart_Class *sc)
_elm_menu_smart_set_user(Elm_Menu_Smart_Class *sc)
{
sc->base.add = _elm_menu_smart_add;
sc->base.del = _elm_menu_smart_del;
sc->base.show = _elm_menu_smart_show;
ELM_WIDGET_CLASS(sc)->base.add = _elm_menu_smart_add;
ELM_WIDGET_CLASS(sc)->base.del = _elm_menu_smart_del;
ELM_WIDGET_CLASS(sc)->base.show = _elm_menu_smart_show;
/* not a 'focus chain manager' */
sc->focus_next = NULL;
sc->focus_direction = NULL;
ELM_WIDGET_CLASS(sc)->focus_next = NULL;
ELM_WIDGET_CLASS(sc)->focus_direction = NULL;
sc->parent_set = _elm_menu_smart_parent_set;
sc->theme = _elm_menu_smart_theme;
ELM_WIDGET_CLASS(sc)->parent_set = _elm_menu_smart_parent_set;
ELM_WIDGET_CLASS(sc)->theme = _elm_menu_smart_theme;
}
EAPI const Elm_Menu_Smart_Class *
elm_menu_smart_class_get(void)
{
static Elm_Menu_Smart_Class _sc =
ELM_MENU_SMART_CLASS_INIT_NAME_VERSION(ELM_MENU_SMART_NAME);
static const Elm_Menu_Smart_Class *class = NULL;
Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
if (class) return class;
_elm_menu_smart_set(&_sc);
esc->callbacks = _smart_callbacks;
class = &_sc;
return class;
}
EAPI Evas_Object *

195
legacy/elementary/src/lib/elm_widget_menu.h Normal file
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@ -0,0 +1,195 @@
#ifndef ELM_WIDGET_MENU_H
#define ELM_WIDGET_MENU_H
/**
* @addtogroup Widget
* @{
*
* @section elm-menu-class The Elementary Menu Class
*
* Elementary, besides having the @ref Menu widget, exposes its
* foundation -- the Elementary Menu Class -- in order to create
* other widgets which are a menu with some more logic on top.
*/
/**
* @def ELM_MENU_CLASS
*
* Use this macro to cast whichever subclass of
* #Elm_Menu_Smart_Class into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_MENU_CLASS(x) ((Elm_Menu_Smart_Class *) x)
/**
* @def ELM_MENU_DATA
*
* Use this macro to cast whichever subdata of
* #Elm_Menu_Smart_Data into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_MENU_DATA(x) ((Elm_Menu_Smart_Data *) x)
/**
* @def ELM_MENU_SMART_CLASS_VERSION
*
* Current version for Elementary menu @b base smart class, a value
* which goes to _Elm_Menu_Smart_Class::version.
*
* @ingroup Widget
*/
#define ELM_MENU_SMART_CLASS_VERSION 1
/**
* @def ELM_MENU_SMART_CLASS_INIT
*
* Initializer for a whole #Elm_Menu_Smart_Class structure, with
* @c NULL values on its specific fields.
*
* @param smart_class_init initializer to use for the "base" field
* (#Evas_Smart_Class).
*
* @see EVAS_SMART_CLASS_INIT_NULL
* @see EVAS_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_MENU_SMART_CLASS_INIT_NULL
* @see ELM_MENU_SMART_CLASS_INIT_NAME_VERSION
*
* @ingroup Widget
*/
#define ELM_MENU_SMART_CLASS_INIT(smart_class_init) \
{smart_class_init, ELM_MENU_SMART_CLASS_VERSION}
/**
* @def ELM_MENU_SMART_CLASS_INIT_NULL
*
* Initializer to zero out a whole #Elm_Menu_Smart_Class structure.
*
* @see ELM_MENU_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_MENU_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_MENU_SMART_CLASS_INIT_NULL \
ELM_MENU_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
/**
* @def ELM_MENU_SMART_CLASS_INIT_NAME_VERSION
*
* Initializer to zero out a whole #Elm_Menu_Smart_Class structure and
* set its name and version.
*
* This is similar to #ELM_MENU_SMART_CLASS_INIT_NULL, but it will
* also set the version field of #Elm_Menu_Smart_Class (base field)
* to the latest #ELM_MENU_SMART_CLASS_VERSION and name it to the
* specific value.
*
* It will keep a reference to the name field as a <c>"const char *"</c>,
* i.e., the name must be available while the structure is
* used (hint: static or global variable!) and must not be modified.
*
* @see ELM_MENU_SMART_CLASS_INIT_NULL
* @see ELM_MENU_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_MENU_SMART_CLASS_INIT_NAME_VERSION(name) \
ELM_MENU_SMART_CLASS_INIT(ELM_WIDGET_SMART_CLASS_INIT_NAME_VERSION(name))
/**
* Elementary menu base smart class. This inherits directly from
* #Elm_Widget_Smart_Class and is meant to build widgets extending the
* behavior of a menu.
*
* All of the functions listed on @ref Menu namespace will work for
* objects deriving from #Elm_Menu_Smart_Class.
*/
typedef struct _Elm_Menu_Smart_Class
{
Elm_Widget_Smart_Class base;
int version; /**< Version of this smart class definition */
} Elm_Menu_Smart_Class;
/**
* Base widget smart data extended with menu instance data.
*/
typedef struct _Elm_Menu_Smart_Data Elm_Menu_Smart_Data;
struct _Elm_Menu_Smart_Data
{
Elm_Widget_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
Evas_Object *hv, *bx, *location, *parent;
Eina_List *items;
Evas_Coord xloc, yloc;
};
typedef struct _Elm_Menu_Item Elm_Menu_Item;
struct _Elm_Menu_Item
{
ELM_WIDGET_ITEM;
Elm_Menu_Item *parent;
Evas_Object *content;
const char *icon_str;
const char *label;
Evas_Smart_Cb func;
unsigned int idx;
struct
{
Evas_Object *hv, *bx, *location;
Eina_List *items;
Eina_Bool open : 1;
} submenu;
Eina_Bool separator : 1;
Eina_Bool selected : 1;
Eina_Bool object_item : 1;
};
/**
* @}
*/
EAPI extern const char ELM_MENU_SMART_NAME[];
EAPI const Elm_Menu_Smart_Class *elm_menu_smart_class_get(void);
#define ELM_MENU_DATA_GET(o, sd) \
Elm_Menu_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_MENU_DATA_GET_OR_RETURN(o, ptr) \
ELM_MENU_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_MENU_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_MENU_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_MENU_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), ELM_MENU_SMART_NAME, __func__)) \
return
#define ELM_MENU_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_MENU_CHECK(it->base.widget);
#define ELM_MENU_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_MENU_CHECK(it->base.widget) __VA_ARGS__;
#endif