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

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#include <Elementary.h>
#include "elm_priv.h"
typedef struct _Widget_Data Widget_Data;
typedef struct _Subinfo Subinfo;
struct _Widget_Data
{
Evas_Object *hov;
Evas_Object *cov;
Evas_Object *offset, *size;
Evas_Object *parent, *target;
Eina_List *subs;
};
struct _Subinfo
{
const char *swallow;
Evas_Object *obj;
};
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 _sub_del(void *data, Evas_Object *obj, void *event_info);
static void _hov_move(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _hov_resize(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _hov_show(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void _hov_hide(void *data, Evas *e, Evas_Object *obj, void *event_info);
static void
_del_pre_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
elm_hover_target_set(obj, NULL);
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elm_hover_parent_set(obj, NULL);
evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_MOVE, _hov_move);
evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_RESIZE, _hov_resize);
evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_SHOW, _hov_show);
evas_object_event_callback_del(wd->hov, EVAS_CALLBACK_HIDE, _hov_hide);
while (wd->subs)
{
Subinfo *si = wd->subs->data;
wd->subs = eina_list_remove_list(wd->subs, wd->subs);
evas_stringshare_del(si->swallow);
free(si);
}
}
static void
_del_hook(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
free(wd);
}
static void
_sizing_eval(Evas_Object *obj)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Coord x = 0, y = 0, w = 0, h = 0, x2 = 0, y2 = 0, w2 = 0, h2 = 0;
if (wd->parent) evas_object_geometry_get(wd->parent, &x, &y, &w, &h);
if (wd->hov) evas_object_geometry_get(wd->hov, &x2, &y2, &w2, &h2);
evas_object_move(wd->cov, x, y);
evas_object_resize(wd->cov, w, h);
evas_object_size_hint_min_set(wd->offset, x2 - x, y2 - y);
edje_object_part_swallow(wd->cov, "elm.swallow.offset", wd->offset);
evas_object_size_hint_min_set(wd->size, w2, h2);
edje_object_part_swallow(wd->cov, "elm.swallow.size", wd->size);
}
static void
_changed_size_hints(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
Eina_List *l;
for (l = wd->subs; l; l = l->next)
{
Subinfo *si = l->data;
if (si->obj == obj)
{
edje_object_part_swallow(wd->hov, si->swallow, obj);
break;
}
}
}
static void
_sub_del(void *data, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(obj);
Evas_Object *sub = event_info;
Eina_List *l;
for (l = wd->subs; l; l = l->next)
{
Subinfo *si = l->data;
if (si->obj == sub)
{
evas_object_event_callback_del
(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS, _changed_size_hints);
wd->subs = eina_list_remove_list(wd->subs, l);
evas_stringshare_del(si->swallow);
free(si);
break;
}
}
}
static void
_hov_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
_sizing_eval(data);
}
static void
_hov_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
_sizing_eval(data);
}
static void
_hov_show(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
Eina_List *l;
// FIXME: use signals for show for hov
if (wd->cov)
{
evas_object_show(wd->cov);
edje_object_signal_emit(wd->cov, "elm,action,show", "elm");
}
for (l = wd->subs; l; l = l->next)
{
Subinfo *si = l->data;
char buf[1024];
if (!strncmp(si->swallow, "elm.swallow.slot.", 17))
{
snprintf(buf, sizeof(buf), "elm,action,slot,%s,show",
si->swallow + 17);
edje_object_signal_emit(wd->cov, buf, "elm");
}
}
}
static void
_hov_hide(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
Eina_List *l;
// FIXME: use signals for hide for hov
if (wd->cov)
{
edje_object_signal_emit(wd->cov, "elm,action,hide", "elm");
evas_object_hide(wd->cov);
}
for (l = wd->subs; l; l = l->next)
{
Subinfo *si = l->data;
char buf[1024];
if (!strncmp(si->swallow, "elm.swallow.slot.", 17))
{
snprintf(buf, sizeof(buf), "elm,action,slot,%s,hide",
si->swallow + 17);
edje_object_signal_emit(wd->cov, buf, "elm");
}
}
}
static void
_target_del(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
wd->target = NULL;
}
static void
_signal_dismiss(void *data, Evas_Object *obj, const char *emission, const char *source)
{
Widget_Data *wd = elm_widget_data_get(data);
evas_object_smart_callback_call(data, "clicked", NULL);
evas_object_hide(data);
}
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static void
_parent_move(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
_sizing_eval(data);
}
static void
_parent_resize(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
_sizing_eval(data);
}
static void
_parent_show(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
}
static void
_parent_hide(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
evas_object_hide(wd->cov);
}
static void
_parent_del(void *data, Evas *e, Evas_Object *obj, void *event_info)
{
Widget_Data *wd = elm_widget_data_get(data);
wd->parent = NULL;
_sizing_eval(data);
}
EAPI Evas_Object *
elm_hover_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->hov = evas_object_rectangle_add(e);
evas_object_pass_events_set(wd->hov, 1);
evas_object_color_set(wd->hov, 0, 0, 0, 0);
elm_widget_resize_object_set(obj, wd->hov);
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_MOVE, _hov_move, obj);
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_RESIZE, _hov_resize, obj);
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_SHOW, _hov_show, obj);
evas_object_event_callback_add(wd->hov, EVAS_CALLBACK_HIDE, _hov_hide, obj);
wd->cov = edje_object_add(e);
_elm_theme_set(wd->cov, "hover", "base", "default");
elm_widget_sub_object_add(obj, wd->cov);
edje_object_signal_callback_add(wd->cov, "elm,action,dismiss", "", _signal_dismiss, obj);
wd->offset = evas_object_rectangle_add(e);
evas_object_pass_events_set(wd->offset, 1);
evas_object_color_set(wd->offset, 0, 0, 0, 0);
elm_widget_sub_object_add(obj, wd->offset);
wd->size = evas_object_rectangle_add(e);
evas_object_pass_events_set(wd->size, 1);
evas_object_color_set(wd->size, 0, 0, 0, 0);
elm_widget_sub_object_add(obj, wd->size);
edje_object_part_swallow(wd->cov, "elm.swallow.offset", wd->offset);
edje_object_part_swallow(wd->cov, "elm.swallow.size", wd->size);
evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
_sizing_eval(obj);
return obj;
}
EAPI void
elm_hover_target_set(Evas_Object *obj, Evas_Object *target)
{
Widget_Data *wd = elm_widget_data_get(obj);
if (wd->target)
{
evas_object_event_callback_del(wd->target, EVAS_CALLBACK_DEL, _target_del);
}
wd->target = target;
if (wd->target)
{
evas_object_event_callback_add(wd->target, EVAS_CALLBACK_DEL, _target_del, obj);
elm_widget_hover_object_set(target, obj);
_sizing_eval(obj);
}
}
EAPI void
elm_hover_parent_set(Evas_Object *obj, Evas_Object *parent)
{
Widget_Data *wd = elm_widget_data_get(obj);
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if (wd->parent)
{
evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_MOVE, _parent_move);
evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize);
evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_SHOW, _parent_show);
evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_HIDE, _parent_hide);
evas_object_event_callback_del(wd->parent, EVAS_CALLBACK_DEL, _parent_del);
}
wd->parent = parent;
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if (wd->parent)
{
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_MOVE, _parent_move, obj);
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_RESIZE, _parent_resize, obj);
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_SHOW, _parent_show, obj);
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_HIDE, _parent_hide, obj);
evas_object_event_callback_add(wd->parent, EVAS_CALLBACK_DEL, _parent_del, obj);
// elm_widget_sub_object_add(parent, obj);
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}
_sizing_eval(obj);
}
EAPI void
elm_hover_content_set(Evas_Object *obj, const char *swallow, Evas_Object *content)
{
Widget_Data *wd = elm_widget_data_get(obj);
Subinfo *si;
Eina_List *l;
char buf[1024];
snprintf(buf, sizeof(buf), "elm.swallow.slot.%s", swallow);
for (l = wd->subs; l; l = l->next)
{
si = l->data;
if (!strcmp(buf, si->swallow))
{
if (content == si->obj) return;
elm_widget_sub_object_del(obj, si->obj);
break;
}
}
if (content)
{
elm_widget_sub_object_add(obj, content);
edje_object_part_swallow(wd->cov, buf, content);
evas_object_event_callback_add(content, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
_changed_size_hints, obj);
si = ELM_NEW(Subinfo);
si->swallow = evas_stringshare_add(buf);
si->obj = content;
wd->subs = eina_list_append(wd->subs, si);
_sizing_eval(obj);
}
}
EAPI void
elm_hover_style_set(Evas_Object *obj, const char *style)
{
Widget_Data *wd = elm_widget_data_get(obj);
_elm_theme_set(wd->cov, "hover", "base", style);
_sizing_eval(obj);
}