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[elm] Gengrid inheritable. 

SVN revision: 74694
This commit is contained in:
Gustavo Lima Chaves 2012-07-31 22:07:07 +00:00
parent d87eff1f3e
commit 58c743a90e
3 changed files with 313 additions and 161 deletions
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1
legacy/elementary/src/lib/Makefile.am
View File

@ -50,6 +50,7 @@ elm_widget_calendar.h \
elm_widget_conform.h \
elm_widget_container.h \
elm_widget_diskselector.h \
elm_widget_gengrid.h \
elm_widget_genlist.h \
elm_widget_glview.h \
elm_widget_grid.h \

186
legacy/elementary/src/lib/elm_gengrid.c
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@ -1,9 +1,7 @@
#include <Elementary.h>
#include <Elementary_Cursor.h>
#include "elm_priv.h"
#include "elm_interface_scrollable.h"
#include "elm_widget_layout.h"
#include "elm_gen_common.h"
#include "elm_widget_gengrid.h"
// internally allocated
#define CLASS_ALLOCATED 0x3a70f00f
@ -16,49 +14,8 @@
#define PRELOAD 1
#define REORDER_EFFECT_TIME 0.5
static const char GENGRID_SMART_NAME[] = "elm_gengrid";
static const char GENGRID_PAN_SMART_NAME[] = "elm_gengrid_pan";
#define ELM_GENGRID_DATA_GET(o, sd) \
Elm_Gengrid_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_GENGRID_PAN_DATA_GET(o, sd) \
Elm_Gengrid_Pan_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_GENGRID_DATA_GET_OR_RETURN(o, ptr) \
ELM_GENGRID_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_GENGRID_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_GENGRID_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_GENGRID_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), GENGRID_SMART_NAME, __func__)) \
return
#define ELM_GENGRID_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_GENGRID_CHECK(it->base.widget);
#define ELM_GENGRID_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_GENGRID_CHECK(it->base.widget) __VA_ARGS__;
#define ELM_GENGRID_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), GENGRID_SMART_NAME, __func__)) goto label;
EAPI const char ELM_GENGRID_SMART_NAME[] = "elm_gengrid";
EAPI const char ELM_GENGRID_PAN_SMART_NAME[] = "elm_gengrid_pan";
#define GG_IT(_it) (_it->item)
@ -67,109 +24,6 @@ static const Evas_Smart_Interface *_smart_interfaces[] =
(Evas_Smart_Interface *)&ELM_SCROLLABLE_IFACE, NULL
};
typedef struct _Elm_Gengrid_Smart_Data Elm_Gengrid_Smart_Data;
struct _Elm_Gengrid_Smart_Data
{
Elm_Layout_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
const Elm_Scrollable_Smart_Interface *s_iface;
Eina_Inlist_Sorted_State *state;
Evas_Object *hit_rect;
Evas_Object *pan_obj;
Eina_List *selected; /* a list of
* selected
* items */
Eina_List *group_items; /* a list of
* groups index
* items */
Eina_Inlist *items; /* an inlist of all items */
Elm_Gen_Item *reorder_it; /* item currently
* being
* repositioned */
Elm_Object_Item *last_selected_item;
Ecore_Job *calc_job;
int walking;
int item_width, item_height;
int group_item_width, group_item_height;
int minw, minh;
unsigned int item_count;
Evas_Coord pan_x, pan_y;
Elm_Object_Select_Mode select_mode;
Ecore_Cb calc_cb;
Ecore_Cb clear_cb;
/* longpress timeout. this value comes from _elm_config by
* default. this can be changed by
* elm_gengrid_longpress_timeout_set() */
double longpress_timeout;
/* a generation of gengrid. when gengrid is cleared, this value
* will be increased and a new generation will start */
int generation;
Eina_Compare_Cb item_compare_cb;
/* The stuff below directly come from gengrid without any thinking */
unsigned int nmax;
Evas_Coord reorder_item_x, reorder_item_y;
Evas_Coord old_pan_x, old_pan_y;
long items_lost;
double align_x, align_y;
Eina_Bool reorder_item_changed : 1;
Eina_Bool move_effect_enabled : 1;
Eina_Bool old_h_bounce;
Eina_Bool old_v_bounce;
/* a flag for reorder mode enable/disable */
Eina_Bool reorder_mode : 1;
Eina_Bool was_selected : 1;
Eina_Bool longpressed : 1;
Eina_Bool pan_changed : 1;
Eina_Bool horizontal : 1;
/* a flag for items can be highlighted or not. by default this flag
* is true. */
Eina_Bool highlight : 1;
Eina_Bool clear_me : 1; /**< a flag whether
* gengrid is marked
* as to be cleared or
* not. if this flag
* is true, gengrid
* clear was already
* deferred. */
Eina_Bool on_hold : 1;
Eina_Bool filled : 1;
Eina_Bool multi : 1; /* a flag for item
* multi
* selection */
};
struct Elm_Gen_Item_Type
{
Elm_Gen_Item *it;
Elm_Gengrid_Smart_Data *wsd;
Ecore_Animator *item_reorder_move_animator;
Evas_Coord gx, gy, ox, oy, tx, ty, rx, ry;
unsigned int moving_effect_start_time;
int prev_group;
Eina_Bool group_realized : 1;
Eina_Bool moving : 1;
};
static const char SIG_ACTIVATED[] = "activated";
static const char SIG_CLICKED_DOUBLE[] = "clicked,double";
static const char SIG_LONGPRESSED[] = "longpressed";
@ -224,22 +78,14 @@ static const Evas_Smart_Cb_Description _smart_callbacks[] = {
};
EVAS_SMART_SUBCLASS_IFACE_NEW
(GENGRID_SMART_NAME, _elm_gengrid, Elm_Layout_Smart_Class,
(ELM_GENGRID_SMART_NAME, _elm_gengrid, Elm_Gengrid_Smart_Class,
Elm_Layout_Smart_Class, elm_layout_smart_class_get, _smart_callbacks,
_smart_interfaces);
ELM_INTERNAL_SMART_SUBCLASS_NEW
(GENGRID_PAN_SMART_NAME, _elm_gengrid_pan, Elm_Pan_Smart_Class,
(ELM_GENGRID_PAN_SMART_NAME, _elm_gengrid_pan, Elm_Gengrid_Pan_Smart_Class,
Elm_Pan_Smart_Class, elm_pan_smart_class_get, NULL);
typedef struct _Elm_Gengrid_Pan_Smart_Data Elm_Gengrid_Pan_Smart_Data;
struct _Elm_Gengrid_Pan_Smart_Data
{
Elm_Pan_Smart_Data base;
Elm_Gengrid_Smart_Data *wsd;
Ecore_Job *resize_job;
};
static void
_calc_job(void *data)
{
@ -1451,7 +1297,7 @@ _elm_gengrid_pan_smart_pos_min_get(const Evas_Object *obj,
}
static void
_elm_gengrid_pan_smart_set_user(Elm_Pan_Smart_Class *sc)
_elm_gengrid_pan_smart_set_user(Elm_Gengrid_Pan_Smart_Class *sc)
{
ELM_PAN_CLASS(sc)->base.add = _elm_gengrid_pan_smart_add;
ELM_PAN_CLASS(sc)->base.move = _elm_gengrid_pan_smart_move;
@ -2414,7 +2260,7 @@ _elm_gengrid_smart_member_add(Evas_Object *obj,
}
static void
_elm_gengrid_smart_set_user(Elm_Layout_Smart_Class *sc)
_elm_gengrid_smart_set_user(Elm_Gengrid_Smart_Class *sc)
{
ELM_WIDGET_CLASS(sc)->base.add = _elm_gengrid_smart_add;
ELM_WIDGET_CLASS(sc)->base.del = _elm_gengrid_smart_del;
@ -2433,6 +2279,24 @@ _elm_gengrid_smart_set_user(Elm_Layout_Smart_Class *sc)
ELM_LAYOUT_CLASS(sc)->sizing_eval = _elm_gengrid_smart_sizing_eval;
}
EAPI const Elm_Gengrid_Smart_Class *
elm_gengrid_smart_class_get(void)
{
static Elm_Gengrid_Smart_Class _sc =
ELM_GENGRID_SMART_CLASS_INIT_NAME_VERSION(ELM_GENGRID_SMART_NAME);
static const Elm_Gengrid_Smart_Class *class = NULL;
Evas_Smart_Class *esc = (Evas_Smart_Class *)&_sc;
if (class)
return class;
_elm_gengrid_smart_set(&_sc);
esc->callbacks = _smart_callbacks;
class = &_sc;
return class;
}
EAPI Evas_Object *
elm_gengrid_add(Evas_Object *parent)
{

287
legacy/elementary/src/lib/elm_widget_gengrid.h Normal file
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@ -0,0 +1,287 @@
#ifndef ELM_WIDGET_GENGRID_H
#define ELM_WIDGET_GENGRID_H
#include "elm_gen_common.h"
#include "elm_interface_scrollable.h"
#include "elm_widget_layout.h"
/**
* @addtogroup Widget
* @{
*
* @section elm-gengrid-class The Elementary Gengrid Class
*
* Elementary, besides having the @ref Gengrid widget, exposes its
* foundation -- the Elementary Gengrid Class -- in order to create
* other widgets which are a gengrid with some more logic on top.
*/
/**
* @def ELM_GENGRID_CLASS
*
* Use this macro to cast whichever subclass of
* #Elm_Gengrid_Smart_Class into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_GENGRID_CLASS(x) ((Elm_Gengrid_Smart_Class *)x)
/**
* @def ELM_GENGRID_DATA
*
* Use this macro to cast whichever subdata of
* #Elm_Gengrid_Smart_Data into it, so to access its fields.
*
* @ingroup Widget
*/
#define ELM_GENGRID_DATA(x) ((Elm_Gengrid_Smart_Data *)x)
/**
* @def ELM_GENGRID_SMART_CLASS_VERSION
*
* Current version for Elementary gengrid @b base smart class, a value
* which goes to _Elm_Gengrid_Smart_Class::version.
*
* @ingroup Widget
*/
#define ELM_GENGRID_SMART_CLASS_VERSION 1
/**
* @def ELM_GENGRID_SMART_CLASS_INIT
*
* Initializer for a whole #Elm_Gengrid_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_GENGRID_SMART_CLASS_INIT_NULL
* @see ELM_GENGRID_SMART_CLASS_INIT_NAME_VERSION
*
* @ingroup Widget
*/
#define ELM_GENGRID_SMART_CLASS_INIT(smart_class_init) \
{smart_class_init, ELM_GENGRID_SMART_CLASS_VERSION}
/**
* @def ELM_GENGRID_SMART_CLASS_INIT_NULL
*
* Initializer to zero out a whole #Elm_Gengrid_Smart_Class structure.
*
* @see ELM_GENGRID_SMART_CLASS_INIT_NAME_VERSION
* @see ELM_GENGRID_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_GENGRID_SMART_CLASS_INIT_NULL \
ELM_GENGRID_SMART_CLASS_INIT(EVAS_SMART_CLASS_INIT_NULL)
/**
* @def ELM_GENGRID_SMART_CLASS_INIT_NAME_VERSION
*
* Initializer to zero out a whole #Elm_Gengrid_Smart_Class structure and
* set its name and version.
*
* This is similar to #ELM_GENGRID_SMART_CLASS_INIT_NULL, but it will
* also set the version field of #Elm_Gengrid_Smart_Class (base field)
* to the latest #ELM_GENGRID_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_GENGRID_SMART_CLASS_INIT_NULL
* @see ELM_GENGRID_SMART_CLASS_INIT
*
* @ingroup Widget
*/
#define ELM_GENGRID_SMART_CLASS_INIT_NAME_VERSION(name) \
ELM_GENGRID_SMART_CLASS_INIT \
(ELM_LAYOUT_SMART_CLASS_INIT_NAME_VERSION(name))
/**
* Elementary gengrid base smart class. This inherits directly from
* #Elm_Layout_Smart_Class and is meant to build widgets extending the
* behavior of a gengrid.
*
* All of the functions listed on @ref Gengrid namespace will work for
* objects deriving from #Elm_Gengrid_Smart_Class.
*/
typedef struct _Elm_Gengrid_Smart_Class
{
Elm_Layout_Smart_Class base;
int version; /**< Version of this smart class definition */
} Elm_Gengrid_Smart_Class;
/**
* Base widget smart data extended with gengrid instance data.
*/
typedef struct _Elm_Gengrid_Smart_Data Elm_Gengrid_Smart_Data;
struct _Elm_Gengrid_Smart_Data
{
Elm_Layout_Smart_Data base; /* base widget smart data as
* first member obligatory, as
* we're inheriting from it */
const Elm_Scrollable_Smart_Interface *s_iface;
Eina_Inlist_Sorted_State *state;
Evas_Object *hit_rect;
Evas_Object *pan_obj;
Eina_List *selected; /* a list of
* selected
* items */
Eina_List *group_items; /* a list of
* groups index
* items */
Eina_Inlist *items; /* an inlist of all items */
Elm_Gen_Item *reorder_it; /* item currently
* being
* repositioned */
Elm_Object_Item *last_selected_item;
Ecore_Job *calc_job;
int walking;
int item_width, item_height;
int group_item_width, group_item_height;
int minw, minh;
unsigned int item_count;
Evas_Coord pan_x, pan_y;
Elm_Object_Select_Mode select_mode;
Ecore_Cb calc_cb;
Ecore_Cb clear_cb;
/* longpress timeout. this value comes from _elm_config by
* default. this can be changed by
* elm_gengrid_longpress_timeout_set() */
double longpress_timeout;
/* a generation of gengrid. when gengrid is cleared, this value
* will be increased and a new generation will start */
int generation;
Eina_Compare_Cb item_compare_cb;
/* The stuff below directly come from gengrid without any thinking */
unsigned int nmax;
Evas_Coord reorder_item_x, reorder_item_y;
Evas_Coord old_pan_x, old_pan_y;
long items_lost;
double align_x, align_y;
Eina_Bool reorder_item_changed : 1;
Eina_Bool move_effect_enabled : 1;
Eina_Bool old_h_bounce;
Eina_Bool old_v_bounce;
/* a flag for reorder mode enable/disable */
Eina_Bool reorder_mode : 1;
Eina_Bool was_selected : 1;
Eina_Bool longpressed : 1;
Eina_Bool pan_changed : 1;
Eina_Bool horizontal : 1;
/* a flag for items can be highlighted or not. by default this flag
* is true. */
Eina_Bool highlight : 1;
Eina_Bool clear_me : 1; /**< a flag whether
* gengrid is marked
* as to be cleared or
* not. if this flag
* is true, gengrid
* clear was already
* deferred. */
Eina_Bool on_hold : 1;
Eina_Bool filled : 1;
Eina_Bool multi : 1; /* a flag for item
* multi
* selection */
};
struct Elm_Gen_Item_Type
{
Elm_Gen_Item *it;
Elm_Gengrid_Smart_Data *wsd;
Ecore_Animator *item_reorder_move_animator;
Evas_Coord gx, gy, ox, oy, tx, ty, rx, ry;
unsigned int moving_effect_start_time;
int prev_group;
Eina_Bool group_realized : 1;
Eina_Bool moving : 1;
};
typedef struct _Elm_Gengrid_Pan_Smart_Class
{
Elm_Pan_Smart_Class base;
} Elm_Gengrid_Pan_Smart_Class;
typedef struct _Elm_Gengrid_Pan_Smart_Data Elm_Gengrid_Pan_Smart_Data;
struct _Elm_Gengrid_Pan_Smart_Data
{
Elm_Pan_Smart_Data base;
Elm_Gengrid_Smart_Data *wsd;
Ecore_Job *resize_job;
};
/**
* @}
*/
EAPI extern const char ELM_GENGRID_SMART_NAME[];
EAPI const Elm_Gengrid_Smart_Class *elm_gengrid_smart_class_get(void);
#define ELM_GENGRID_DATA_GET(o, sd) \
Elm_Gengrid_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_GENGRID_PAN_DATA_GET(o, sd) \
Elm_Gengrid_Pan_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_GENGRID_DATA_GET_OR_RETURN(o, ptr) \
ELM_GENGRID_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_GENGRID_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_GENGRID_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_GENGRID_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), ELM_GENGRID_SMART_NAME, __func__)) \
return
#define ELM_GENGRID_ITEM_CHECK(it) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, ); \
ELM_GENGRID_CHECK(it->base.widget);
#define ELM_GENGRID_ITEM_CHECK_OR_RETURN(it, ...) \
ELM_WIDGET_ITEM_CHECK_OR_RETURN((Elm_Widget_Item *)it, __VA_ARGS__); \
ELM_GENGRID_CHECK(it->base.widget) __VA_ARGS__;
#define ELM_GENGRID_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_GENGRID_SMART_NAME, __func__)) goto label;
#endif