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[elm] Making box inheritable. 

SVN revision: 74602
This commit is contained in:
Gustavo Lima Chaves 2012-07-30 22:35:22 +00:00
parent b47c5855cf
commit 052c2e1c21
3 changed files with 223 additions and 80 deletions
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1
legacy/elementary/src/lib/Makefile.am
View File

@ -43,6 +43,7 @@ includesdir = $(includedir)/elementary-@VMAJ@
includesunstable_HEADERS = \
elm_interface_scrollable.h \
elm_widget.h \
elm_widget_box.h \
elm_widget_button.h \
elm_widget_container.h \
elm_widget_image.h \

107
legacy/elementary/src/lib/elm_box.c
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@ -1,82 +1,12 @@
#include <Elementary.h>
#include "elm_priv.h"
#include "els_box.h"
#include "elm_widget_box.h"
static const char BOX_SMART_NAME[] = "elm_box";
typedef struct _Elm_Box_Smart_Data Elm_Box_Smart_Data;
typedef struct _Transition_Animation_Data Transition_Animation_Data;
struct _Elm_Box_Smart_Data
{
Elm_Widget_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
Eina_Bool horizontal : 1;
Eina_Bool homogeneous : 1;
Eina_Bool recalc : 1;
};
struct _Elm_Box_Transition
{
double initial_time;
double duration;
Ecore_Animator *animator;
struct
{
Evas_Object_Box_Layout layout;
void *data;
void (*free_data)(void *data);
} start, end;
void (*transition_end_cb)(void *data);
void *transition_end_data;
void (*transition_end_free_data)(void *data);
Eina_List *objs;
Evas_Object *box;
Eina_Bool animation_ended : 1;
Eina_Bool recalculate : 1;
};
struct _Transition_Animation_Data
{
Evas_Object *obj;
struct
{
Evas_Coord x, y, w, h;
} start, end;
};
#define ELM_BOX_DATA_GET(o, sd) \
Elm_Box_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_BOX_DATA_GET_OR_RETURN(o, ptr) \
ELM_BOX_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_BOX_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_BOX_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_BOX_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), BOX_SMART_NAME, __func__)) \
return
EAPI const char ELM_BOX_SMART_NAME[] = "elm_box";
EVAS_SMART_SUBCLASS_NEW
(BOX_SMART_NAME, _elm_box, Elm_Widget_Smart_Class,
(ELM_BOX_SMART_NAME, _elm_box, Elm_Box_Smart_Class,
Elm_Widget_Smart_Class, elm_widget_smart_class_get, NULL);
static const char SIG_CHILD_ADDED[] = "child,added";
@ -480,15 +410,32 @@ _elm_box_smart_del(Evas_Object *obj)
}
static void
_elm_box_smart_set_user(Elm_Widget_Smart_Class *sc)
_elm_box_smart_set_user(Elm_Box_Smart_Class *sc)
{
sc->base.add = _elm_box_smart_add;
sc->base.del = _elm_box_smart_del;
ELM_WIDGET_CLASS(sc)->base.add = _elm_box_smart_add;
ELM_WIDGET_CLASS(sc)->base.del = _elm_box_smart_del;
sc->sub_object_del = _elm_box_smart_sub_object_del;
sc->theme = _elm_box_smart_theme;
sc->focus_next = _elm_box_smart_focus_next;
sc->focus_direction = _elm_box_smart_focus_direction;
ELM_WIDGET_CLASS(sc)->sub_object_del = _elm_box_smart_sub_object_del;
ELM_WIDGET_CLASS(sc)->theme = _elm_box_smart_theme;
ELM_WIDGET_CLASS(sc)->focus_next = _elm_box_smart_focus_next;
ELM_WIDGET_CLASS(sc)->focus_direction = _elm_box_smart_focus_direction;
}
EAPI const Elm_Box_Smart_Class *
elm_box_smart_class_get(void)
{
static Elm_Box_Smart_Class _sc =
ELM_BOX_SMART_CLASS_INIT_NAME_VERSION(ELM_BOX_SMART_NAME);
static const Elm_Box_Smart_Class *class = NULL;
Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
if (class) return class;
_elm_box_smart_set(&_sc);
esc->callbacks = _smart_callbacks;
class = &_sc;
return class;
}
EAPI Evas_Object *

195
legacy/elementary/src/lib/elm_widget_box.h Normal file
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@ -0,0 +1,195 @@
#ifndef ELM_WIDGET_BOX_H
#define ELM_WIDGET_BOX_H
/**
* @addtogroup Widget
* @{
*
* @section elm-box-class The Elementary Box Class
*
* Elementary, besides having the @ref Box widget, exposes its
* foundation -- the Elementary Box Class -- in order to create
* other widgets which are a box with some more logic on top.
*/
/**
* @def ELM_BOX_CLASS
*
* Use this macro to cast whichever subclass of
* #Elm_Box_Smart_Class into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_BOX_CLASS(x) ((Elm_Box_Smart_Class *) x)
/**
* @def ELM_BOX_DATA
*
* Use this macro to cast whichever subdata of
* #Elm_Box_Smart_Data into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_BOX_DATA(x) ((Elm_Box_Smart_Data *) x)
/**
* @def ELM_BOX_SMART_CLASS_VERSION
*
* Current version for Elementary box @b base smart class, a value
* which goes to _Elm_Box_Smart_Class::version.
*
* @ingroup Widget
*/
#define ELM_BOX_SMART_CLASS_VERSION 1
/**
* @def ELM_BOX_SMART_CLASS_INIT
*
* Initializer for a whole #Elm_Box_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_BOX_SMART_CLASS_INIT_NULL
* @see ELM_BOX_SMART_CLASS_INIT_NAME_VERSION
*
* @ingroup Widget
*/
#define ELM_BOX_SMART_CLASS_INIT(smart_class_init) \
{smart_class_init, ELM_BOX_SMART_CLASS_VERSION}
/**
* @def ELM_BOX_SMART_CLASS_INIT_NULL
*
* Initializer to zero out a whole #Elm_Box_Smart_Class structure.
*
* @see ELM_BOX_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_BOX_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_BOX_SMART_CLASS_INIT_NULL \
ELM_BOX_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
/**
* @def ELM_BOX_SMART_CLASS_INIT_NAME_VERSION
*
* Initializer to zero out a whole #Elm_Box_Smart_Class structure and
* set its name and version.
*
* This is similar to #ELM_BOX_SMART_CLASS_INIT_NULL, but it will
* also set the version field of #Elm_Box_Smart_Class (base field)
* to the latest #ELM_BOX_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_BOX_SMART_CLASS_INIT_NULL
* @see ELM_BOX_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_BOX_SMART_CLASS_INIT_NAME_VERSION(name) \
ELM_BOX_SMART_CLASS_INIT(ELM_WIDGET_SMART_CLASS_INIT_NAME_VERSION(name))
/**
* Elementary box base smart class. This inherits directly from
* #Elm_Widget_Smart_Class and is meant to build widgets extending the
* behavior of a box.
*
* All of the functions listed on @ref Box namespace will work for
* objects deriving from #Elm_Box_Smart_Class.
*/
typedef struct _Elm_Box_Smart_Class
{
Elm_Widget_Smart_Class base;
int version; /**< Version of this smart class definition */
} Elm_Box_Smart_Class;
/**
* Base widget smart data extended with box instance data.
*/
typedef struct _Elm_Box_Smart_Data Elm_Box_Smart_Data;
struct _Elm_Box_Smart_Data
{
Elm_Widget_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
Eina_Bool horizontal : 1;
Eina_Bool homogeneous : 1;
Eina_Bool recalc : 1;
};
struct _Elm_Box_Transition
{
double initial_time;
double duration;
Ecore_Animator *animator;
struct
{
Evas_Object_Box_Layout layout;
void *data;
void (*free_data)(void *data);
} start, end;
void (*transition_end_cb)(void *data);
void *transition_end_data;
void (*transition_end_free_data)(void *data);
Eina_List *objs;
Evas_Object *box;
Eina_Bool animation_ended : 1;
Eina_Bool recalculate : 1;
};
typedef struct _Transition_Animation_Data Transition_Animation_Data;
struct _Transition_Animation_Data
{
Evas_Object *obj;
struct
{
Evas_Coord x, y, w, h;
} start, end;
};
/**
* @}
*/
EAPI extern const char ELM_BOX_SMART_NAME[];
EAPI const Elm_Box_Smart_Class *elm_box_smart_class_get(void);
#define ELM_BOX_DATA_GET(o, sd) \
Elm_Box_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_BOX_DATA_GET_OR_RETURN(o, ptr) \
ELM_BOX_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_BOX_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_BOX_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_BOX_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), ELM_BOX_SMART_NAME, __func__)) \
return
#endif