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[elm] Label now inheritable. 

SVN revision: 74758
This commit is contained in:
Gustavo Lima Chaves 2012-08-01 21:03:51 +00:00
parent bb3cd2ef0e
commit fdd5cc4d99
3 changed files with 198 additions and 49 deletions
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1
legacy/elementary/src/lib/Makefile.am
View File

@ -66,6 +66,7 @@ elm_widget_icon.h \
elm_widget_image.h \
elm_widget_index.h \
elm_widget_inwin.h \
elm_widget_label.h \
elm_widget_layout.h \
elm_widget_list.h \
elm_widget_map.h \

72
legacy/elementary/src/lib/elm_label.c
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@ -1,50 +1,8 @@
#include <Elementary.h>
#include "elm_priv.h"
#include "elm_widget_layout.h"
#include "elm_widget_label.h"
static const char LABEL_SMART_NAME[] = "elm_label";
typedef struct _Elm_Label_Smart_Data Elm_Label_Smart_Data;
struct _Elm_Label_Smart_Data
{
Elm_Layout_Smart_Data base;
const char *format;
double slide_duration;
Evas_Coord lastw;
Evas_Coord wrap_w;
Elm_Wrap_Type linewrap;
Eina_Bool ellipsis : 1;
Eina_Bool slidingmode : 1;
Eina_Bool slidingellipsis : 1;
};
#define ELM_LABEL_DATA_GET(o, sd) \
Elm_Label_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_LABEL_DATA_GET_OR_RETURN(o, ptr) \
ELM_LABEL_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_LABEL_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_LABEL_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_LABEL_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), LABEL_SMART_NAME, __func__)) \
return
EAPI const char ELM_LABEL_SMART_NAME[] = "elm_label";
static const Elm_Layout_Part_Alias_Description _text_aliases[] =
{
@ -55,7 +13,7 @@ static const Elm_Layout_Part_Alias_Description _text_aliases[] =
/* Inheriting from elm_layout. Besides, we need no more than what is
* there */
EVAS_SMART_SUBCLASS_NEW
(LABEL_SMART_NAME, _elm_label, Elm_Layout_Smart_Class,
(ELM_LABEL_SMART_NAME, _elm_label, Elm_Label_Smart_Class,
Elm_Layout_Smart_Class, elm_layout_smart_class_get, NULL);
static void
@ -378,7 +336,7 @@ _elm_label_smart_add(Evas_Object *obj)
}
static void
_elm_label_smart_set_user(Elm_Layout_Smart_Class *sc)
_elm_label_smart_set_user(Elm_Label_Smart_Class *sc)
{
ELM_WIDGET_CLASS(sc)->base.add = _elm_label_smart_add;
@ -389,10 +347,26 @@ _elm_label_smart_set_user(Elm_Layout_Smart_Class *sc)
ELM_WIDGET_CLASS(sc)->theme = _elm_label_smart_theme;
ELM_WIDGET_CLASS(sc)->translate = _elm_label_smart_translate;
sc->sizing_eval = _elm_label_smart_sizing_eval;
sc->text_set = _elm_label_smart_text_set;
ELM_LAYOUT_CLASS(sc)->sizing_eval = _elm_label_smart_sizing_eval;
ELM_LAYOUT_CLASS(sc)->text_set = _elm_label_smart_text_set;
sc->text_aliases = _text_aliases;
ELM_LAYOUT_CLASS(sc)->text_aliases = _text_aliases;
}
EAPI const Elm_Label_Smart_Class *
elm_label_smart_class_get(void)
{
static Elm_Label_Smart_Class _sc =
ELM_LABEL_SMART_CLASS_INIT_NAME_VERSION(ELM_LABEL_SMART_NAME);
static const Elm_Label_Smart_Class *class = NULL;
if (class)
return class;
_elm_label_smart_set(&_sc);
class = &_sc;
return class;
}
EAPI Evas_Object *

174
legacy/elementary/src/lib/elm_widget_label.h Normal file
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@ -0,0 +1,174 @@
#ifndef ELM_WIDGET_LABEL_H
#define ELM_WIDGET_LABEL_H
#include "elm_widget_layout.h"
#ifdef HAVE_EIO
# include <Eio.h>
#endif
/**
* @addtogroup Widget
* @{
*
* @section elm-label-class The Elementary Label Class
*
* Elementary, besides having the @ref Label widget, exposes its
* foundation -- the Elementary Label Class -- in order to create other
* widgets which are a label with some more logic on top.
*/
/**
* @def ELM_LABEL_CLASS
*
* Use this macro to cast whichever subclass of
* #Elm_Label_Smart_Class into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_LABEL_CLASS(x) ((Elm_Label_Smart_Class *)x)
/**
* @def ELM_LABEL_DATA
*
* Use this macro to cast whichever subdata of
* #Elm_Label_Smart_Data into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_LABEL_DATA(x) ((Elm_Label_Smart_Data *)x)
/**
* @def ELM_LABEL_SMART_CLASS_VERSION
*
* Current version for Elementary label @b base smart class, a value
* which goes to _Elm_Label_Smart_Class::version.
*
* @ingroup Widget
*/
#define ELM_LABEL_SMART_CLASS_VERSION 1
/**
* @def ELM_LABEL_SMART_CLASS_INIT
*
* Initializer for a whole #Elm_Label_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_LABEL_SMART_CLASS_INIT_NULL
* @see ELM_LABEL_SMART_CLASS_INIT_NAME_VERSION
*
* @ingroup Widget
*/
#define ELM_LABEL_SMART_CLASS_INIT(smart_class_init) \
{smart_class_init, ELM_LABEL_SMART_CLASS_VERSION}
/**
* @def ELM_LABEL_SMART_CLASS_INIT_NULL
*
* Initializer to zero out a whole #Elm_Label_Smart_Class structure.
*
* @see ELM_LABEL_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_LABEL_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_LABEL_SMART_CLASS_INIT_NULL \
ELM_LABEL_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
/**
* @def ELM_LABEL_SMART_CLASS_INIT_NAME_VERSION
*
* Initializer to zero out a whole #Elm_Label_Smart_Class structure and
* set its name and version.
*
* This is similar to #ELM_LABEL_SMART_CLASS_INIT_NULL, but it will
* also set the version field of #Elm_Label_Smart_Class (base field)
* to the latest #ELM_LABEL_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_LABEL_SMART_CLASS_INIT_NULL
* @see ELM_LABEL_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_LABEL_SMART_CLASS_INIT_NAME_VERSION(name) \
ELM_LABEL_SMART_CLASS_INIT \
(ELM_LAYOUT_SMART_CLASS_INIT_NAME_VERSION(name))
/**
* Elementary label base smart class. This inherits directly from
* #Elm_Layout_Smart_Class and is meant to build widgets extending the
* behavior of a label.
*
* All of the functions listed on @ref Label namespace will work for
* objects deriving from #Elm_Label_Smart_Class.
*/
typedef struct _Elm_Label_Smart_Class
{
Elm_Layout_Smart_Class base;
int version; /**< Version of this smart class definition */
} Elm_Label_Smart_Class;
/**
* Base layout smart data extended with label instance data.
*/
typedef struct _Elm_Label_Smart_Data Elm_Label_Smart_Data;
struct _Elm_Label_Smart_Data
{
Elm_Layout_Smart_Data base;
const char *format;
double slide_duration;
Evas_Coord lastw;
Evas_Coord wrap_w;
Elm_Wrap_Type linewrap;
Eina_Bool ellipsis : 1;
Eina_Bool slidingmode : 1;
Eina_Bool slidingellipsis : 1;
};
/**
* @}
*/
EAPI extern const char ELM_LABEL_SMART_NAME[];
EAPI const Elm_Label_Smart_Class *elm_label_smart_class_get(void);
#define ELM_LABEL_DATA_GET(o, sd) \
Elm_Label_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_LABEL_DATA_GET_OR_RETURN(o, ptr) \
ELM_LABEL_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_LABEL_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_LABEL_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_LABEL_CHECK(obj) \
if (!obj || !elm_widget_type_check \
((obj), ELM_LABEL_SMART_NAME, __func__)) \
return
#endif