1 files changed, 368 insertions, 0 deletions

diff --git a/libraries/elementary/src/lib/elm_bubble.c b/libraries/elementary/src/lib/elm_bubble.c
new file mode 100644
index 0000000..0f35578
--- /dev/null
+++ b/libraries/elementary/src/lib/elm_bubble.c
@@ -0,0 +1,368 @@
+#include <Elementary.h>
+#include "elm_priv.h"
+
+typedef struct _Widget_Data Widget_Data;
+
+struct _Widget_Data
+{
+   Evas_Object *bbl;
+   Evas_Object *content, *icon;
+   const char *label, *info, *corner;
+   Elm_Bubble_Pos pos;
+};
+
+static const char *widtype = NULL;
+static void _del_hook(Evas_Object *obj);
+static void _mirrored_set(Evas_Object *obj, Eina_Bool rtl);
+static void _content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content);
+static Evas_Object *_content_get_hook(const Evas_Object *obj, const char *part);
+static Evas_Object *_content_unset_hook(Evas_Object *obj, const char *part);
+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);
+
+static const char SIG_CLICKED[] = "clicked";
+
+static const Evas_Smart_Cb_Description _signals[] =
+{
+     {SIG_CLICKED, ""},
+     {NULL, NULL}
+};
+
+static const char *corner_string[] =
+{
+    "top_left",
+    "top_right",
+    "bottom_left",
+    "bottom_right"
+};
+
+static void
+_del_hook(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->label) eina_stringshare_del(wd->label);
+   if (wd->info) eina_stringshare_del(wd->info);
+   if (wd->corner) eina_stringshare_del(wd->corner);
+   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->bbl, 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->bbl, "bubble", corner_string[wd->pos],
+                         elm_widget_style_get(obj));
+   edje_object_part_text_escaped_set(wd->bbl, "elm.text", wd->label);
+   if (wd->label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible", "elm");
+   else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
+   edje_object_part_text_escaped_set(wd->bbl, "elm.info", wd->info);
+   if (wd->info) edje_object_signal_emit(wd->bbl, "elm,state,info,visible", "elm");
+   else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
+   if (wd->content)
+     {
+        edje_object_part_swallow(wd->bbl, "elm.swallow.content", wd->content);
+        edje_object_message_signal_process(wd->bbl);
+     }
+   if (wd->icon)
+     edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
+   else
+     edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
+   edje_object_scale_set(wd->bbl,
+                         elm_widget_scale_get(obj) * _elm_config->scale);
+   _sizing_eval(obj);
+}
+
+static void
+_content_set(Evas_Object *obj, Evas_Object *content)
+{
+   Widget_Data *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->bbl, "elm.swallow.content", content);
+     }
+   _sizing_eval(obj);
+}
+
+static Evas_Object *
+_content_unset(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Object *content;
+   if (!wd) return NULL;
+   if (!wd->content) return NULL;
+   content = wd->content;
+   elm_widget_sub_object_del(obj, content);
+   evas_object_event_callback_del_full(content,
+                                       EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                       _changed_size_hints, obj);
+   edje_object_part_unswallow(wd->bbl, content);
+   wd->content = NULL;
+   return content;
+}
+
+static void
+_icon_set(Evas_Object *obj, Evas_Object* icon)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->icon == icon) return;
+   if (wd->icon) evas_object_del(wd->icon);
+   wd->icon = icon;
+   if (icon)
+     {
+        elm_widget_sub_object_add(obj, icon);
+        edje_object_part_swallow(wd->bbl, "elm.swallow.icon", icon);
+        evas_object_event_callback_add(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                       _changed_size_hints, obj);
+        edje_object_signal_emit(wd->bbl, "elm,state,icon,visible", "elm");
+        edje_object_message_signal_process(wd->bbl);
+     }
+   _sizing_eval(obj);
+}
+
+static Evas_Object *
+_icon_unset(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Object *icon;
+   if (!wd) return NULL;
+   if (!wd->icon) return NULL;
+   icon = wd->icon;
+   elm_widget_sub_object_del(obj, icon);
+   evas_object_event_callback_del_full(icon, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                       _changed_size_hints, obj);
+   edje_object_part_unswallow(wd->bbl, icon);
+   wd->icon = NULL;
+   return icon;
+}
+
+static void
+_content_set_hook(Evas_Object *obj, const char *part, Evas_Object *content)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+
+   if (!part || !strcmp(part, "default"))
+     _content_set(obj, content);
+   else if (!strcmp(part, "icon"))
+     _icon_set(obj, content);
+}
+
+static Evas_Object *
+_content_get_hook(const Evas_Object *obj, const char *part)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+   if (!part || !strcmp(part, "default"))
+     return wd->content;
+   else if (!strcmp(part, "icon"))
+     return wd->icon;
+   return NULL;
+}
+
+static Evas_Object *
+_content_unset_hook(Evas_Object *obj, const char *part)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) NULL;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return NULL;
+   if (!part || !strcmp(part, "default"))
+     return _content_unset(obj);
+   else if (!strcmp(part, "icon"))
+     return _icon_unset(obj);
+   return NULL;
+}
+
+static Eina_Bool
+_elm_bubble_focus_next_hook(const Evas_Object *obj, Elm_Focus_Direction dir, Evas_Object **next)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Object *cur;
+
+   if ((!wd) || (!wd->content))
+     return EINA_FALSE;
+
+   cur = wd->content;
+
+   /* Try Focus cycle in subitem */
+   return elm_widget_focus_next_get(cur, dir, next);
+}
+
+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;
+   if (!wd) return;
+   elm_coords_finger_size_adjust(1, &minw, 1, &minh);
+   edje_object_size_min_restricted_calc(wd->bbl, &minw, &minh, minw, minh);
+   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 __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   Widget_Data *wd = elm_widget_data_get(data);
+   if (!wd) return;
+   _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;
+   evas_object_event_callback_del_full(sub, EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                       _changed_size_hints, obj);
+   if (sub == wd->content) wd->content = NULL;
+   else if (sub == wd->icon)
+     {
+        edje_object_signal_emit(wd->bbl, "elm,state,icon,hidden", "elm");
+        wd->icon = NULL;
+        edje_object_message_signal_process(wd->bbl);
+     }
+   _sizing_eval(obj);
+}
+
+static void
+_mouse_up(void *data, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info)
+{
+   Evas_Event_Mouse_Up *ev = event_info;
+   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD)
+     return;
+   evas_object_smart_callback_call(data, SIG_CLICKED, NULL);
+}
+
+static void
+_elm_bubble_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 (!wd) return;
+
+   if (!item || !strcmp(item, "default"))
+     {
+        eina_stringshare_replace(&wd->label, label);
+        edje_object_part_text_escaped_set(wd->bbl, "elm.text", label);
+        if (label) edje_object_signal_emit(wd->bbl, "elm,state,text,visible",
+                                           "elm");
+        else edje_object_signal_emit(wd->bbl, "elm,state,text,hidden", "elm");
+        _sizing_eval(obj);
+     }
+   else if (!strcmp(item, "info"))
+     {
+        eina_stringshare_replace(&wd->info, label);
+        edje_object_part_text_escaped_set(wd->bbl, "elm.info", label);
+        if (label) edje_object_signal_emit(wd->bbl, "elm,state,info,visible",
+                                           "elm");
+        else edje_object_signal_emit(wd->bbl, "elm,state,info,hidden", "elm");
+        _sizing_eval(obj);
+     }
+}
+
+static const char*
+_elm_bubble_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 wd->label;
+     }
+   else if (!strcmp(item, "info"))
+     {
+        return wd->info;
+     }
+
+   return NULL;
+}
+
+EAPI Evas_Object *
+elm_bubble_add(Evas_Object *parent)
+{
+   Evas_Object *obj;
+   Evas *e;
+   Widget_Data *wd;
+
+   ELM_WIDGET_STANDARD_SETUP(wd, Widget_Data, parent, e, obj, NULL);
+
+   ELM_SET_WIDTYPE(widtype, "bubble");
+   elm_widget_type_set(obj, "bubble");
+   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_bubble_focus_next_hook);
+   elm_widget_can_focus_set(obj, EINA_FALSE);
+   elm_widget_text_set_hook_set(obj, _elm_bubble_label_set);
+   elm_widget_text_get_hook_set(obj, _elm_bubble_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);
+
+   wd->corner = eina_stringshare_add("base");
+   wd->pos = ELM_BUBBLE_POS_TOP_LEFT; //default
+
+   wd->bbl = edje_object_add(e);
+   elm_widget_resize_object_set(obj, wd->bbl);
+
+   evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
+   evas_object_event_callback_add(wd->bbl, EVAS_CALLBACK_MOUSE_UP,
+                                  _mouse_up, obj);
+
+   evas_object_smart_callbacks_descriptions_set(obj, _signals);
+   _mirrored_set(obj, elm_widget_mirrored_get(obj));
+   _elm_theme_object_set(obj, wd->bbl, "bubble", wd->corner,
+                         elm_widget_style_get(obj));
+   _sizing_eval(obj);
+   return obj;
+}
+
+EAPI void
+elm_bubble_pos_set(Evas_Object *obj, Elm_Bubble_Pos pos)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (pos<ELM_BUBBLE_POS_TOP_LEFT || pos>ELM_BUBBLE_POS_BOTTOM_RIGHT) return;
+   wd->pos = pos;
+   _theme_hook(obj);
+}
+
+EAPI Elm_Bubble_Pos
+elm_bubble_pos_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) ELM_BUBBLE_POS_INVALID;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return ELM_BUBBLE_POS_INVALID;
+   return wd->pos;
+}