[Elm] One more widget on elm layout: frame.

SVN revision: 70636
This commit is contained in:
Gustavo Lima Chaves 2012-05-02 16:58:36 +00:00
parent ca072667db
commit 77831157d1
2 changed files with 196 additions and 248 deletions

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@ -1,325 +1,269 @@
#include <Elementary.h>
#include "elm_priv.h"
#include "elm_widget_layout.h"
typedef struct _Widget_Data Widget_Data;
static const char FRAME_SMART_NAME[] = "elm_frame";
struct _Widget_Data
typedef struct _Elm_Frame_Smart_Data Elm_Frame_Smart_Data;
struct _Elm_Frame_Smart_Data
{
Evas_Object *frm;
Evas_Object *content;
const char *label;
unsigned int recalc_count;
Eina_Bool collapsed : 1;
Eina_Bool collapsible : 1;
Eina_Bool anim : 1;
Elm_Layout_Smart_Data base;
Eina_Bool collapsed : 1;
Eina_Bool collapsible : 1;
Eina_Bool anim : 1;
};
static const char SIG_CLICKED[] = "clicked";
static const Evas_Smart_Cb_Description _signals[] = {
static const Evas_Smart_Cb_Description _smart_callbacks[] = {
{SIG_CLICKED, ""},
{NULL, NULL}
};
static const char *widtype = NULL;
static void _del_hook(Evas_Object *obj);
static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
static void _theme_hook(Evas_Object *obj);
static void _sizing_eval(Evas_Object *obj);
static void _changed_size_hints(void *data,
Evas *e, Evas_Object *obj,
void *event_info);
static void _sub_del(void *data, Evas_Object *obj, void *event_info);
#define ELM_FRAME_DATA_GET(o, sd) \
Elm_Frame_Smart_Data * sd = evas_object_smart_data_get(o)
#define ELM_FRAME_DATA_GET_OR_RETURN(o, ptr) \
ELM_FRAME_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return; \
}
#define ELM_FRAME_DATA_GET_OR_RETURN_VAL(o, ptr, val) \
ELM_FRAME_DATA_GET(o, ptr); \
if (!ptr) \
{ \
CRITICAL("No widget data for object %p (%s)", \
o, evas_object_type_get(o)); \
return val; \
}
#define ELM_FRAME_CHECK(obj) \
if (!obj || !elm_widget_type_check((obj), FRAME_SMART_NAME, __func__)) \
return
static const Elm_Layout_Part_Alias_Description _content_aliases[] =
{
{"default", "elm.swallow.content"},
{NULL, NULL}
};
static const Elm_Layout_Part_Alias_Description _text_aliases[] =
{
{"default", "elm.text"},
{NULL, NULL}
};
/* Inheriting from elm_layout. Besides, we need no more than what is
* there */
EVAS_SMART_SUBCLASS_NEW
(FRAME_SMART_NAME, _elm_frame, Elm_Layout_Smart_Class,
Elm_Layout_Smart_Class, elm_layout_smart_class_get, _smart_callbacks);
static void
_del_hook(Evas_Object *obj)
_sizing_eval(Evas_Object *obj,
Elm_Frame_Smart_Data *sd)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->label) eina_stringshare_del(wd->label);
free(wd);
}
static void
_mirrored_set(Evas_Object *obj, Eina_Bool rtl)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
edje_object_mirrored_set(wd->frm, rtl);
}
static void
_theme_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return;
_elm_widget_mirrored_reload(obj);
_mirrored_set(obj, elm_widget_mirrored_get(obj));
_elm_theme_object_set(obj, wd->frm, "frame", "base",
elm_widget_style_get(obj));
edje_object_part_text_escaped_set(wd->frm, "elm.text", wd->label);
if (wd->content)
edje_object_part_swallow(wd->frm, "elm.swallow.content", wd->content);
edje_object_scale_set(wd->frm,
elm_widget_scale_get(obj) * _elm_config->scale);
_sizing_eval(obj);
}
static Eina_Bool
_elm_frame_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
{
Widget_Data *wd = elm_widget_data_get(obj);
if ((!wd) || (!wd->content))
return EINA_FALSE;
/* Try Focus cycle in subitem */
return elm_widget_focus_next_get(wd->content, dir, next);
}
static void
_sizing_eval(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Coord minw = -1, minh = -1;
Evas_Coord cminw = -1, cminh = -1;
if (!wd) return;
edje_object_size_min_calc(wd->frm, &minw, &minh);
edje_object_size_min_calc(ELM_WIDGET_DATA(sd)->resize_obj, &minw, &minh);
evas_object_size_hint_min_get(obj, &cminw, &cminh);
if ((minw == cminw) && (minh == cminh)) return;
evas_object_size_hint_min_set(obj, minw, minh);
evas_object_size_hint_max_set(obj, -1, -1);
}
static void
_changed_size_hints(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
static Eina_Bool
_elm_frame_smart_focus_next(const Evas_Object *obj,
Elm_Focus_Direction dir,
Evas_Object **next)
{
Widget_Data *wd = elm_widget_data_get(data);
if (!wd) return;
if (wd->anim) return;
// FIXME: why is this needed? how does edje get this unswallowed or
// lose its callbacks to edje
edje_object_part_swallow(wd->frm, "elm.swallow.content", wd->content);
_sizing_eval(data);
}
static void
_sub_del(void *data __UNUSED__, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Object *sub = event_info;
if (!wd) return;
if (sub == wd->content)
{
evas_object_event_callback_del_full(sub,
EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
wd->content = NULL;
_sizing_eval(obj);
}
}
static void
_elm_frame_label_set(Evas_Object *obj, const char *item, const char *label)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd = elm_widget_data_get(obj);
if (item && strcmp(item, "default")) return;
if (!wd) return;
eina_stringshare_replace(&(wd->label), label);
edje_object_part_text_escaped_set(wd->frm, "elm.text", wd->label);
_sizing_eval(obj);
}
static const char *
_elm_frame_label_get(const Evas_Object *obj, const char *item)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd = elm_widget_data_get(obj);
if (!wd) return NULL;
if (item && strcmp(item, "default")) return NULL;
return wd->label;
}
static void
_content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
{
ELM_CHECK_WIDTYPE(obj, widtype);
Widget_Data *wd;
if (part && strcmp(part, "default")) return;
wd = elm_widget_data_get(obj);
if (!wd) return;
if (wd->content == content) return;
if (wd->content) evas_object_del(wd->content);
wd->content = content;
if (content)
{
elm_widget_sub_object_add(obj, content);
evas_object_event_callback_add(content,
EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
edje_object_part_swallow(wd->frm, "elm.swallow.content", content);
}
_sizing_eval(obj);
}
static Evas_Object *
_content_get_hook(const Evas_Object *obj, const char *part)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd;
if (part && strcmp(part, "default")) return NULL;
wd = elm_widget_data_get(obj);
if (!wd) return NULL;
return wd->content;
}
static Evas_Object *
_content_unset_hook(Evas_Object *obj, const char *part)
{
ELM_CHECK_WIDTYPE(obj, widtype) NULL;
Widget_Data *wd;
Evas_Object *content;
if (part && strcmp(part, "default")) return NULL;
wd = elm_widget_data_get(obj);
if (!wd || !wd->content) return NULL;
content = wd->content;
elm_widget_sub_object_del(obj, wd->content);
edje_object_part_unswallow(wd->frm, content);
return content;
content = elm_layout_content_get(obj, NULL);
if (!content) return EINA_FALSE;
/* attempt to follow focus cycle into sub-object */
return elm_widget_focus_next_get(content, dir, next);
}
static void
_recalc(void *data, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
_recalc(void *data,
Evas_Object *obj __UNUSED__,
void *event_info __UNUSED__)
{
_sizing_eval(data);
elm_layout_sizing_eval(data);
}
static void
_recalc_done(void *data, Evas_Object *obj __UNUSED__, const char *sig __UNUSED__, const char *src __UNUSED__)
_on_recalc_done(void *data,
Evas_Object *obj __UNUSED__,
const char *sig __UNUSED__,
const char *src __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(data);
if (!wd) return;
evas_object_smart_callback_del(wd->frm, "recalc", _recalc);
wd->anim = EINA_FALSE;
_sizing_eval(data);
ELM_FRAME_DATA_GET(data, sd);
evas_object_smart_callback_del
(ELM_WIDGET_DATA(sd)->resize_obj, "recalc", _recalc);
sd->anim = EINA_FALSE;
elm_layout_sizing_eval(data);
}
static void
_signal_click(void *data, Evas_Object *obj __UNUSED__, const char *sig __UNUSED__, const char *src __UNUSED__)
_on_frame_clicked(void *data,
Evas_Object *obj __UNUSED__,
const char *sig __UNUSED__,
const char *src __UNUSED__)
{
Widget_Data *wd = elm_widget_data_get(data);
if (!wd) return;
if (wd->anim) return;
if (wd->collapsible)
ELM_FRAME_DATA_GET(data, sd);
if (sd->anim) return;
if (sd->collapsible)
{
evas_object_smart_callback_add(wd->frm, "recalc", _recalc, data);
edje_object_signal_emit(wd->frm, "elm,action,toggle", "elm");
wd->collapsed++;
wd->anim = EINA_TRUE;
evas_object_smart_callback_add
(ELM_WIDGET_DATA(sd)->resize_obj, "recalc", _recalc, data);
elm_layout_signal_emit(data, "elm,action,toggle", "elm");
sd->collapsed++;
sd->anim = EINA_TRUE;
}
evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
}
/* using deferred sizing evaluation, just like the parent */
static void
_elm_frame_smart_calculate(Evas_Object *obj)
{
ELM_FRAME_DATA_GET(obj, sd);
if (ELM_LAYOUT_DATA(sd)->needs_size_calc)
{
/* calling OWN sizing evaluate code here */
_sizing_eval(obj, sd);
ELM_LAYOUT_DATA(sd)->needs_size_calc = EINA_FALSE;
}
}
static void
_elm_frame_smart_add(Evas_Object *obj)
{
EVAS_SMART_DATA_ALLOC(obj, Elm_Frame_Smart_Data);
ELM_WIDGET_CLASS(_elm_frame_parent_sc)->base.add(obj);
edje_object_signal_callback_add
(ELM_WIDGET_DATA(priv)->resize_obj, "elm,anim,done", "elm",
_on_recalc_done, obj);
edje_object_signal_callback_add
(ELM_WIDGET_DATA(priv)->resize_obj, "elm,action,click", "elm",
_on_frame_clicked, obj);
elm_widget_can_focus_set(obj, EINA_FALSE);
elm_layout_theme_set(obj, "frame", "base", elm_widget_style_get(obj));
}
static void
_elm_frame_smart_set_user(Elm_Layout_Smart_Class *sc)
{
ELM_WIDGET_CLASS(sc)->base.add = _elm_frame_smart_add;
ELM_WIDGET_CLASS(sc)->base.calculate = _elm_frame_smart_calculate;
ELM_WIDGET_CLASS(sc)->focus_next = _elm_frame_smart_focus_next;
sc->content_aliases = _content_aliases;
sc->text_aliases = _text_aliases;
}
EAPI Evas_Object *
elm_frame_add(Evas_Object *parent)
{
Evas_Object *obj;
Evas *e;
Widget_Data *wd;
Evas_Object *obj;
ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
EINA_SAFETY_ON_NULL_RETURN_VAL(parent, NULL);
ELM_SET_WIDTYPE(widtype, "frame");
elm_widget_type_set(obj, "frame");
elm_widget_sub_object_add(parent, obj);
elm_widget_data_set(obj, wd);
elm_widget_del_hook_set(obj, _del_hook);
elm_widget_theme_hook_set(obj, _theme_hook);
elm_widget_focus_next_hook_set(obj, _elm_frame_focus_next_hook);
elm_widget_can_focus_set(obj, EINA_FALSE);
elm_widget_text_set_hook_set(obj, _elm_frame_label_set);
elm_widget_text_get_hook_set(obj, _elm_frame_label_get);
elm_widget_content_set_hook_set(obj, _content_set_hook);
elm_widget_content_get_hook_set(obj, _content_get_hook);
elm_widget_content_unset_hook_set(obj, _content_unset_hook);
e = evas_object_evas_get(parent);
if (!e) return NULL;
wd->frm = edje_object_add(e);
_elm_theme_object_set(obj, wd->frm, "frame", "base", "default");
elm_widget_resize_object_set(obj, wd->frm);
obj = evas_object_smart_add(e, _elm_frame_smart_class_new());
evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
edje_object_signal_callback_add(wd->frm, "elm,anim,done", "elm",
_recalc_done, obj);
edje_object_signal_callback_add(wd->frm, "elm,action,click", "elm",
_signal_click, obj);
evas_object_smart_callbacks_descriptions_set(obj, _signals);
if (!elm_widget_sub_object_add(parent, obj))
ERR("could not add %p as sub object of %p", obj, parent);
elm_layout_sizing_eval(obj);
_mirrored_set(obj, elm_widget_mirrored_get(obj));
_sizing_eval(obj);
return obj;
}
EAPI void
elm_frame_autocollapse_set(Evas_Object *obj, Eina_Bool autocollapse)
elm_frame_autocollapse_set(Evas_Object *obj,
Eina_Bool autocollapse)
{
Widget_Data *wd;
ELM_CHECK_WIDTYPE(obj, widtype);
wd = elm_widget_data_get(obj);
if (!wd) return;
wd->collapsible = !!autocollapse;
ELM_FRAME_CHECK(obj);
ELM_FRAME_DATA_GET_OR_RETURN(obj, sd);
sd->collapsible = !!autocollapse;
}
EAPI Eina_Bool
elm_frame_autocollapse_get(const Evas_Object *obj)
{
Widget_Data *wd;
ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
wd = elm_widget_data_get(obj);
if (!wd) return EINA_FALSE;
return wd->collapsible;
ELM_FRAME_CHECK(obj) EINA_FALSE;
ELM_FRAME_DATA_GET_OR_RETURN_VAL(obj, sd, EINA_FALSE);
return sd->collapsible;
}
EAPI void
elm_frame_collapse_set(Evas_Object *obj, Eina_Bool collapse)
elm_frame_collapse_set(Evas_Object *obj,
Eina_Bool collapse)
{
Widget_Data *wd;
ELM_CHECK_WIDTYPE(obj, widtype);
wd = elm_widget_data_get(obj);
if (!wd) return;
ELM_FRAME_CHECK(obj);
ELM_FRAME_DATA_GET_OR_RETURN(obj, sd);
collapse = !!collapse;
if (wd->collapsed == collapse) return;
edje_object_signal_emit(wd->frm, "elm,action,switch", "elm");
edje_object_message_signal_process(wd->frm);
wd->collapsed = !!collapse;
wd->anim = EINA_FALSE;
_sizing_eval(obj);
if (sd->collapsed == collapse) return;
elm_layout_signal_emit(obj, "elm,action,switch", "elm");
edje_object_message_signal_process(ELM_WIDGET_DATA(sd)->resize_obj);
sd->collapsed = !!collapse;
sd->anim = EINA_FALSE;
_sizing_eval(obj, sd);
}
EAPI void
elm_frame_collapse_go(Evas_Object *obj, Eina_Bool collapse)
elm_frame_collapse_go(Evas_Object *obj,
Eina_Bool collapse)
{
Widget_Data *wd;
ELM_CHECK_WIDTYPE(obj, widtype);
wd = elm_widget_data_get(obj);
if (!wd) return;
ELM_FRAME_CHECK(obj);
ELM_FRAME_DATA_GET_OR_RETURN(obj, sd);
collapse = !!collapse;
if (wd->collapsed == collapse) return;
edje_object_signal_emit(wd->frm, "elm,action,toggle", "elm");
evas_object_smart_callback_add(wd->frm, "recalc", _recalc, obj);
wd->collapsed = collapse;
wd->anim = EINA_TRUE;
if (sd->collapsed == collapse) return;
elm_layout_signal_emit(obj, "elm,action,toggle", "elm");
evas_object_smart_callback_add
(ELM_WIDGET_DATA(sd)->resize_obj, "recalc", _recalc, obj);
sd->collapsed = collapse;
sd->anim = EINA_TRUE;
}
EAPI Eina_Bool
elm_frame_collapse_get(const Evas_Object *obj)
{
Widget_Data *wd;
ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
wd = elm_widget_data_get(obj);
if (!wd) return EINA_FALSE;
return wd->collapsed;
ELM_FRAME_CHECK(obj) EINA_FALSE;
ELM_FRAME_DATA_GET_OR_RETURN_VAL(obj, sd, EINA_FALSE);
return sd->collapsed;
}

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@ -19,7 +19,11 @@
*
* Of all this styles only default shows the title.
*
* Smart callbacks one can listen to:
* This widget inherits from the @ref Layout one, so that all the
* functions acting on it also work for frame objects.
*
* This widget emits the following signals, besides the ones sent from
* @ref Layout:
* - @c "clicked" - The user has clicked the frame's label
*
* Default content parts of the frame widget that you can use for are: