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[elm] Diskselector now inheritable. 

SVN revision: 74670
This commit is contained in:
Gustavo Lima Chaves 2012-07-31 22:05:00 +00:00
parent 664f2a7db5
commit 0a1b1445f5
2 changed files with 237 additions and 91 deletions
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115
legacy/elementary/src/lib/elm_diskselector.c
View File

@ -1,6 +1,6 @@
#include <Elementary.h>
#include "elm_priv.h"
#include "elm_interface_scrollable.h"
#include "elm_widget_diskselector.h"
#ifndef MAX
# define MAX(a, b) (((a) > (b)) ? (a) : (b))
@ -12,92 +12,7 @@
#define DISPLAY_ITEM_NUM_MIN 3
static const char DISKSELECTOR_SMART_NAME[] = "elm_diskselector";
#define ELM_DISKSELECTOR_DATA_GET(o, sd) \
Elm_Diskselector_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_DISKSELECTOR_DATA_GET_OR_RETURN(o, ptr) \
ELM_DISKSELECTOR_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_DISKSELECTOR_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_DISKSELECTOR_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_DISKSELECTOR_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), \
DISKSELECTOR_SMART_NAME, __func__)) \
return
#define ELM_DISKSELECTOR_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_DISKSELECTOR_CHECK(it->base.widget);
#define ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_DISKSELECTOR_CHECK(it->base.widget) __VA_ARGS__;
#define ELM_DISKSELECTOR_ITEM_CHECK_OR_GOTO(it, label) \
ELM_WIDGET_ITEM_CHECK_OR_GOTO((Elm_Widget_Item *)it, label); \
if (!it->base.widget || !elm_widget_type_check \
((it->base.widget), DISKSELECTOR_SMART_NAME, __func__)) goto label;
typedef struct _Elm_Diskselector_Smart_Data Elm_Diskselector_Smart_Data;
typedef struct _Elm_Diskselector_Item Elm_Diskselector_Item;
struct _Elm_Diskselector_Smart_Data
{
Elm_Widget_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
Evas_Object *hit_rect;
const Elm_Scrollable_Smart_Interface *s_iface;
Evas_Object *main_box;
Evas_Object *left_blank;
Evas_Object *right_blank;
Elm_Diskselector_Item *selected_item;
Elm_Diskselector_Item *first;
Elm_Diskselector_Item *second;
Elm_Diskselector_Item *s_last;
Elm_Diskselector_Item *last;
Eina_List *items;
Eina_List *r_items;
Eina_List *over_items;
Eina_List *under_items;
Ecore_Idle_Enterer *idler;
Ecore_Idle_Enterer *check_idler;
int item_count, len_threshold, len_side,
display_item_num;
Evas_Coord minw, minh;
Eina_Bool init : 1;
Eina_Bool round : 1;
Eina_Bool display_item_num_by_api : 1;
};
struct _Elm_Diskselector_Item
{
ELM_WIDGET_ITEM;
Eina_List *node;
Evas_Object *icon;
const char *label;
Evas_Smart_Cb func;
};
EAPI const char ELM_DISKSELECTOR_SMART_NAME[] = "elm_diskselector";
static const char SIG_SELECTED[] = "selected";
static const char SIG_SCROLL_ANIM_START[] = "scroll,anim,start";
@ -120,9 +35,9 @@ static const Evas_Smart_Interface *_smart_interfaces[] =
};
EVAS_SMART_SUBCLASS_IFACE_NEW
(DISKSELECTOR_SMART_NAME, _elm_diskselector, Elm_Widget_Smart_Class,
Elm_Widget_Smart_Class, elm_widget_smart_class_get, _smart_callbacks,
_smart_interfaces);
(ELM_DISKSELECTOR_SMART_NAME, _elm_diskselector,
Elm_Diskselector_Smart_Class, Elm_Widget_Smart_Class,
elm_widget_smart_class_get, _smart_callbacks, _smart_interfaces);
static void
_selected_item_indicate(Elm_Diskselector_Item *it)
@ -1269,7 +1184,7 @@ _elm_diskselector_smart_member_add(Evas_Object *obj,
}
static void
_elm_diskselector_smart_set_user(Elm_Widget_Smart_Class *sc)
_elm_diskselector_smart_set_user(Elm_Diskselector_Smart_Class *sc)
{
ELM_WIDGET_CLASS(sc)->base.add = _elm_diskselector_smart_add;
ELM_WIDGET_CLASS(sc)->base.del = _elm_diskselector_smart_del;
@ -1284,6 +1199,24 @@ _elm_diskselector_smart_set_user(Elm_Widget_Smart_Class *sc)
ELM_WIDGET_CLASS(sc)->event = _elm_diskselector_smart_event;
}
EAPI const Elm_Diskselector_Smart_Class *
elm_diskselector_smart_class_get(void)
{
static Elm_Diskselector_Smart_Class _sc =
ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION
(ELM_DISKSELECTOR_SMART_NAME);
static const Elm_Diskselector_Smart_Class *class = NULL;
Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
if (class) return class;
_elm_diskselector_smart_set(&_sc);
esc->callbacks = _smart_callbacks;
class = &_sc;
return class;
}
EAPI Evas_Object *
elm_diskselector_add(Evas_Object *parent)
{

213
legacy/elementary/src/lib/elm_widget_diskselector.h Normal file
View File

@ -0,0 +1,213 @@
#ifndef ELM_WIDGET_DISKSELECTOR_H
#define ELM_WIDGET_DISKSELECTOR_H
#include "elm_interface_scrollable.h"
/**
* @addtogroup Widget
* @{
*
* @section elm-diskselector-class The Elementary Diskselector Class
*
* Elementary, besides having the @ref Diskselector widget, exposes its
* foundation -- the Elementary Diskselector Class -- in order to create other
* widgets which are a diskselector with some more logic on top.
*/
/**
* @def ELM_DISKSELECTOR_CLASS
*
* Use this macro to cast whichever subclass of
* #Elm_Diskselector_Smart_Class into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_DISKSELECTOR_CLASS(x) ((Elm_Diskselector_Smart_Class *)x)
/**
* @def ELM_DISKSELECTOR_DATA
*
* Use this macro to cast whichever subdata of
* #Elm_Diskselector_Smart_Data into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_DISKSELECTOR_DATA(x) ((Elm_Diskselector_Smart_Data *)x)
/**
* @def ELM_DISKSELECTOR_SMART_CLASS_VERSION
*
* Current version for Elementary diskselector @b base smart class, a value
* which goes to _Elm_Diskselector_Smart_Class::version.
*
* @ingroup Widget
*/
#define ELM_DISKSELECTOR_SMART_CLASS_VERSION 1
/**
* @def ELM_DISKSELECTOR_SMART_CLASS_INIT
*
* Initializer for a whole #Elm_Diskselector_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_DISKSELECTOR_SMART_CLASS_INIT_NULL
* @see ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION
*
* @ingroup Widget
*/
#define ELM_DISKSELECTOR_SMART_CLASS_INIT(smart_class_init) \
{smart_class_init, ELM_DISKSELECTOR_SMART_CLASS_VERSION}
/**
* @def ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL
*
* Initializer to zero out a whole #Elm_Diskselector_Smart_Class structure.
*
* @see ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_DISKSELECTOR_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL \
ELM_DISKSELECTOR_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
/**
* @def ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION
*
* Initializer to zero out a whole #Elm_Diskselector_Smart_Class structure and
* set its name and version.
*
* This is similar to #ELM_DISKSELECTOR_SMART_CLASS_INIT_NULL, but it will
* also set the version field of #Elm_Diskselector_Smart_Class (base field)
* to the latest #ELM_DISKSELECTOR_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_DISKSELECTOR_SMART_CLASS_INIT_NULL
* @see ELM_DISKSELECTOR_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_DISKSELECTOR_SMART_CLASS_INIT_NAME_VERSION(name) \
ELM_DISKSELECTOR_SMART_CLASS_INIT(ELM_WIDGET_SMART_CLASS_INIT_NAME_VERSION(name))
/**
* Elementary diskselector base smart class. This inherits directly from
* #Elm_Widget_Smart_Class and is meant to build widgets extending the
* behavior of a diskselector.
*
* All of the functions listed on @ref Diskselector namespace will work for
* objects deriving from #Elm_Diskselector_Smart_Class.
*/
typedef struct _Elm_Diskselector_Smart_Class
{
Elm_Widget_Smart_Class base;
int version; /**< Version of this smart class definition */
} Elm_Diskselector_Smart_Class;
/**
* Base widget smart data extended with diskselector instance data.
*/
typedef struct _Elm_Diskselector_Smart_Data Elm_Diskselector_Smart_Data;
typedef struct _Elm_Diskselector_Item Elm_Diskselector_Item;
struct _Elm_Diskselector_Smart_Data
{
Elm_Widget_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
Evas_Object *hit_rect;
const Elm_Scrollable_Smart_Interface *s_iface;
Evas_Object *main_box;
Evas_Object *left_blank;
Evas_Object *right_blank;
Elm_Diskselector_Item *selected_item;
Elm_Diskselector_Item *first;
Elm_Diskselector_Item *second;
Elm_Diskselector_Item *s_last;
Elm_Diskselector_Item *last;
Eina_List *items;
Eina_List *r_items;
Eina_List *over_items;
Eina_List *under_items;
Ecore_Idle_Enterer *idler;
Ecore_Idle_Enterer *check_idler;
int item_count, len_threshold, len_side,
display_item_num;
Evas_Coord minw, minh;
Eina_Bool init : 1;
Eina_Bool round : 1;
Eina_Bool display_item_num_by_api : 1;
};
struct _Elm_Diskselector_Item
{
ELM_WIDGET_ITEM;
Eina_List *node;
Evas_Object *icon;
const char *label;
Evas_Smart_Cb func;
};
/**
* @}
*/
EAPI extern const char ELM_DISKSELECTOR_SMART_NAME[];
EAPI const Elm_Diskselector_Smart_Class
*elm_diskselector_smart_class_get(void);
#define ELM_DISKSELECTOR_DATA_GET(o, sd) \
Elm_Diskselector_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_DISKSELECTOR_DATA_GET_OR_RETURN(o, ptr) \
ELM_DISKSELECTOR_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_DISKSELECTOR_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_DISKSELECTOR_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_DISKSELECTOR_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), \
ELM_DISKSELECTOR_SMART_NAME, __func__)) \
return
#define ELM_DISKSELECTOR_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_DISKSELECTOR_CHECK(it->base.widget);
#define ELM_DISKSELECTOR_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_DISKSELECTOR_CHECK(it->base.widget) __VA_ARGS__;
#define ELM_DISKSELECTOR_ITEM_CHECK_OR_GOTO(it, label) \
ELM_WIDGET_ITEM_CHECK_OR_GOTO((Elm_Widget_Item *)it, label); \
if (!it->base.widget || !elm_widget_type_check \
((it->base.widget), ELM_DISKSELECTOR_SMART_NAME, __func__)) goto label;
#endif