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add evas_object_box. 

Box is a smart object to help with the common task of laying out lots
of objects. It's very flexibile and one can customize the layout
function on a per-object basis dynamically, just set a new layout
function (the most common are provided). By default layouts use size
hints from children to do their work, but one can also add new
properties, just subclass with evas_object_smart_smart_set() and then
define your own option_* callbacks.

This code was ported from Guarana (widgets/sequence_box.c) with
permission of ProFUSION embedded systems so it can be relicensed from
LGPL to Evas license.

Original author: Gustavo Lima Chaves <glima@profusion.mobi>
Port: Gustavo Sverzut Barbieri <barbieri@profusion.mobi>



SVN revision: 37188
This commit is contained in:
Gustavo Sverzut Barbieri 2008-10-27 02:22:41 +00:00
parent 089b8ac181
commit 5026fa724a
3 changed files with 2161 additions and 0 deletions
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81
legacy/evas/src/lib/Evas.h
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@ -966,6 +966,87 @@ extern "C" {
/* convenience */
EAPI void evas_object_smart_move_children_relative(Evas_Object *obj, Evas_Coord dx, Evas_Coord dy);
typedef struct _Evas_Object_Box_Api Evas_Object_Box_Api;
typedef struct _Evas_Object_Box_Data Evas_Object_Box_Data;
typedef struct _Evas_Object_Box_Option Evas_Object_Box_Option;
typedef void (*Evas_Object_Box_Layout)(Evas_Object *o, Evas_Object_Box_Data *priv);
struct _Evas_Object_Box_Api
{
Evas_Smart_Class base;
Evas_Object_Box_Option *(*append)(Evas_Object *o, Evas_Object_Box_Data *priv, Evas_Object *child);
Evas_Object_Box_Option *(*prepend)(Evas_Object *o, Evas_Object_Box_Data *priv, Evas_Object *child);
Evas_Object_Box_Option *(*insert_before)(Evas_Object *o, Evas_Object_Box_Data *priv, Evas_Object *child, const Evas_Object *reference);
Evas_Object_Box_Option *(*insert_at)(Evas_Object *o, Evas_Object_Box_Data *priv, Evas_Object *child, unsigned int pos);
Evas_Object *(*remove)(Evas_Object *o, Evas_Object_Box_Data *priv, Evas_Object *child);
Evas_Object *(*remove_at)(Evas_Object *o, Evas_Object_Box_Data *priv, unsigned int pos);
Evas_Bool (*property_set)(Evas_Object *o, Evas_Object_Box_Option *opt, int property, va_list args);
Evas_Bool (*property_get)(Evas_Object *o, Evas_Object_Box_Option *opt, int property, va_list args);
const char *(*property_name_get)(Evas_Object *o, int property);
int (*property_id_get)(Evas_Object *o, const char *name);
Evas_Object_Box_Option *(*option_new)(Evas_Object *o, Evas_Object_Box_Data *priv, Evas_Object *child);
void (*option_free)(Evas_Object *o, Evas_Object_Box_Data *priv, Evas_Object_Box_Option *opt);
};
struct _Evas_Object_Box_Data
{
Evas_Object_Smart_Clipped_Data base;
const Evas_Object_Box_Api *api;
double align_h;
double align_v;
int padding_h;
int padding_v;
Eina_List *children;
Evas_Object_Box_Layout layout;
};
struct _Evas_Object_Box_Option
{
Evas_Object *obj;
};
EAPI void evas_object_box_smart_set(Evas_Object_Box_Api *api);
EAPI void evas_object_box_layout_set(Evas_Object *o, Evas_Object_Box_Layout cb);
EAPI Evas_Object *evas_object_box_add(Evas *evas);
EAPI Evas_Object *evas_object_box_add_to(Evas_Object *parent);
EAPI void evas_object_box_layout_horizontal(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_vertical(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_homogeneous_vertical(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_homogeneous_horizontal(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_homogeneous_max_size_horizontal(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_homogeneous_max_size_vertical(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_flow_horizontal(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_flow_vertical(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI void evas_object_box_layout_stack(Evas_Object *o, Evas_Object_Box_Data *priv);
EAPI double evas_object_box_align_h_get(Evas_Object *o);
EAPI double evas_object_box_align_v_get(Evas_Object *o);
EAPI void evas_object_box_align_h_set(Evas_Object *o, double align_h);
EAPI void evas_object_box_align_v_set(Evas_Object *o, double align_v);
EAPI int evas_object_box_padding_h_get(Evas_Object *o);
EAPI int evas_object_box_padding_v_get(Evas_Object *o);
EAPI void evas_object_box_padding_h_set(Evas_Object *o, int padding_h);
EAPI void evas_object_box_padding_v_set(Evas_Object *o, int padding_v);
EAPI Evas_Object_Box_Option *evas_object_box_append(Evas_Object *o, Evas_Object *child);
EAPI Evas_Object_Box_Option *evas_object_box_prepend(Evas_Object *o, Evas_Object *child);
EAPI Evas_Object_Box_Option *evas_object_box_insert_before(Evas_Object *o, Evas_Object *child, const Evas_Object *reference);
EAPI Evas_Object_Box_Option *evas_object_box_insert_at(Evas_Object *o, Evas_Object *child, unsigned int pos);
EAPI Evas_Bool evas_object_box_remove(Evas_Object *o, Evas_Object *child);
EAPI Evas_Bool evas_object_box_remove_at(Evas_Object *o, unsigned int pos);
EAPI const char *evas_object_box_option_property_name_get(Evas_Object *o, int property);
EAPI int evas_object_box_option_property_id_get(Evas_Object *o, const char *name);
EAPI Evas_Bool evas_object_box_option_property_set(Evas_Object *o, Evas_Object_Box_Option *opt, int property, ...);
EAPI Evas_Bool evas_object_box_option_property_vset(Evas_Object *o, Evas_Object_Box_Option *opt, int property, va_list args);
EAPI Evas_Bool evas_object_box_option_property_get(Evas_Object *o, Evas_Object_Box_Option *opt, int property, ...);
EAPI Evas_Bool evas_object_box_option_property_vget(Evas_Object *o, Evas_Object_Box_Option *opt, int property, va_list args);
#ifdef __cplusplus
}
#endif

1
legacy/evas/src/lib/canvas/Makefile.am
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@ -33,6 +33,7 @@ evas_object_polygon.c \
evas_object_rectangle.c \
evas_object_smart.c \
evas_object_smart_clipped.c \
evas_object_box.c \
evas_object_text.c \
evas_object_textblock.c \
evas_font_dir.c \

2079
legacy/evas/src/lib/canvas/evas_object_box.c Normal file
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