efl/legacy/elementary/src/lib/elc_hoversel.c

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#include <Elementary.h>
#include "elm_priv.h"
typedef struct _Widget_Data Widget_Data;
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typedef struct _Item Item;
struct _Widget_Data
{
Evas_Object *btn, *hover;
Evas_Object *hover_parent;
Eina_List *items;
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};
struct _Item
{
Evas_Object *obj;
const char *label;
const char *icon_file;
Elm_Icon_Type icon_type;
void (*func) (void *data, Evas_Object *obj, void *event_info);
const void *data;
};
static void _del_pre_hook(Evas_Object *obj);
static void _del_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 _parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void
_del_pre_hook(Evas_Object *obj)
{
elm_hoversel_hover_end(obj);
elm_hoversel_hover_parent_set(obj, NULL);
}
static void
_del_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
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elm_hoversel_hover_end(obj);
free(wd);
}
static void
_sizing_eval(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Coord minw = -1, minh = -1, maxw = -1, maxh = -1;
evas_object_size_hint_min_get(wd->btn, &minw, &minh);
evas_object_size_hint_max_get(wd->btn, &maxw, &maxh);
evas_object_size_hint_min_set(obj, minw, minh);
evas_object_size_hint_max_set(obj, maxw, maxh);
}
static void
_changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
_sizing_eval(data);
}
static void
_hover_clicked(void *data, Evas_Object *obj, void *event_info)
{
elm_hoversel_hover_end(data);
}
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static void
_item_clicked(void *data, Evas_Object *obj, void *event_info)
{
Item *it = data;
Evas_Object *obj2 = it->obj;
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elm_hoversel_hover_end(obj2);
if (it->func) it->func(it->data, obj2, it);
evas_object_smart_callback_call(obj2, "selected", it);
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}
static void
_button_clicked(void *data, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
Evas_Object *bt, *bx, *ic;
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Eina_List *l;
wd->hover = elm_hover_add(data);
elm_hover_style_set(wd->hover, "hoversel_vertical");
evas_object_smart_callback_add(wd->hover, "clicked", _hover_clicked, data);
elm_hover_parent_set(wd->hover, wd->hover_parent);
elm_hover_target_set(wd->hover, wd->btn);
bx = elm_box_add(wd->hover);
elm_box_homogenous_set(bx, 1);
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for (l = wd->items; l; l = l->next)
{
Item *it = l->data;
bt = elm_button_add(wd->hover);
elm_button_style_set(bt, "hoversel_vertical_entry");
elm_button_label_set(bt, it->label);
if (it->icon_file)
{
ic = elm_icon_add(data);
elm_icon_scale_set(ic, 0, 1);
if (it->icon_type == ELM_ICON_FILE)
elm_icon_file_set(ic, it->icon_file, NULL);
else if (it->icon_type == ELM_ICON_STANDARD)
elm_icon_standard_set(ic, it->icon_file);
elm_button_icon_set(bt, ic);
evas_object_show(ic);
}
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evas_object_size_hint_weight_set(bt, 1.0, 0.0);
evas_object_size_hint_align_set(bt, -1.0, -1.0);
elm_box_pack_end(bx, bt);
evas_object_smart_callback_add(bt, "clicked", _item_clicked, it);
evas_object_show(bt);
}
elm_hover_content_set
(wd->hover,
elm_hover_best_content_location_get(wd->hover, ELM_HOVER_AXIS_VERTICAL),
bx);
evas_object_show(bx);
evas_object_show(wd->hover);
evas_object_smart_callback_call(data, "clicked", NULL);
}
static void
_parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
wd->hover_parent = NULL;
}
EAPI Evas_Object *
elm_hoversel_add(Evas_Object *parent)
{
Evas_Object *obj;
Evas *e;
Widget_Data *wd;
wd = ELM_NEW(Widget_Data);
e = evas_object_evas_get(parent);
obj = elm_widget_add(e);
elm_widget_data_set(obj, wd);
elm_widget_del_pre_hook_set(obj, _del_pre_hook);
elm_widget_del_hook_set(obj, _del_hook);
wd->btn = elm_button_add(parent);
elm_button_style_set(wd->btn, "hoversel_vertical");
elm_widget_resize_object_set(obj, wd->btn);
evas_object_event_callback_add(wd->btn, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
evas_object_smart_callback_add(wd->btn, "clicked", _button_clicked, obj);
_sizing_eval(obj);
return obj;
}
EAPI void
elm_hoversel_hover_parent_set(Evas_Object *obj, Evas_Object *parent)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (wd->hover_parent)
evas_object_event_callback_del(wd->hover_parent, EVAS_CALLBACK_DEL, _parent_del);
wd->hover_parent = parent;
if (wd->hover_parent)
evas_object_event_callback_add(wd->hover_parent, EVAS_CALLBACK_DEL, _parent_del, obj);
}
EAPI void
elm_hoversel_label_set(Evas_Object *obj, const char *label)
{
Widget_Data *wd = elm_widget_data_get(obj);
elm_button_label_set(wd->btn, label);
}
EAPI void
elm_hoversel_icon_set(Evas_Object *obj, Evas_Object *icon)
{
Widget_Data *wd = elm_widget_data_get(obj);
elm_button_icon_set(wd->btn, icon);
}
EAPI void
elm_hoversel_hover_end(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (wd->hover) evas_object_del(wd->hover);
wd->hover = NULL;
evas_object_smart_callback_call(obj, "dismissed", NULL);
}
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EAPI Elm_Hoversel_Item *
elm_hoversel_item_add(Evas_Object *obj, const char *label, const char *icon_file, Elm_Icon_Type icon_type, void (*func) (void *data, Evas_Object *obj, void *event_info), const void *data)
{
Widget_Data *wd = elm_widget_data_get(obj);
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Item *it = calloc(1, sizeof(Item));
if (!it) return NULL;
wd->items = eina_list_append(wd->items, it);
it->obj = obj;
it->label = eina_stringshare_add(label);
it->icon_file = eina_stringshare_add(icon_file);
it->icon_type = icon_type;
it->func = func;
it->data = data;
return (Elm_Hoversel_Item *)it;
}
EAPI void
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elm_hoversel_item_del(Elm_Hoversel_Item *item)
{
Item *it = (Item *)item;
Widget_Data *wd = elm_widget_data_get(it->obj);
elm_hoversel_hover_end(it->obj);
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wd->items = eina_list_remove(wd->items, it);
eina_stringshare_del(it->label);
eina_stringshare_del(it->icon_file);
free(it);
}