1 files changed, 305 insertions, 0 deletions

diff --git a/libraries/elementary/src/lib/elm_mapbuf.c b/libraries/elementary/src/lib/elm_mapbuf.c
new file mode 100644
index 0000000..4608872
--- /dev/null
+++ b/libraries/elementary/src/lib/elm_mapbuf.c
@@ -0,0 +1,305 @@
+#include <Elementary.h>
+#include "elm_priv.h"
+
+typedef struct _Widget_Data Widget_Data;
+
+struct _Widget_Data
+{
+   Evas_Object *content, *clip;
+   Eina_Bool enabled : 1;
+   Eina_Bool alpha : 1;
+   Eina_Bool smooth : 1;
+};
+
+static const char *widtype = NULL;
+static void _del_hook(Evas_Object *obj);
+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 void
+_del_hook(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   free(wd);
+}
+
+static void
+_theme_hook(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   _sizing_eval(obj);
+}
+
+static void
+_sizing_eval(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Coord minw = -1, minh = -1;
+   Evas_Coord maxw = -1, maxh = -1;
+   if (!wd) return;
+   if (wd->content)
+     {
+        evas_object_size_hint_min_get(wd->content, &minw, &minh);
+        evas_object_size_hint_max_get(wd->content, &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 __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;
+   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
+_mapbuf(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   Evas_Coord x, y, w, h;
+   if (!wd) return;
+   evas_object_geometry_get(wd->clip, &x, &y, &w, &h);
+   if (wd->enabled)
+     {
+        Evas_Map *m;
+
+        m = evas_map_new(4);
+        evas_map_util_points_populate_from_geometry(m, x, y, w, h, 0);
+        evas_map_smooth_set(m, wd->smooth);
+        evas_map_alpha_set(m, wd->alpha);
+        evas_object_map_set(wd->content, m);
+        evas_object_map_enable_set(wd->content, EINA_TRUE);
+        evas_map_free(m);
+     }
+   else
+     {
+        evas_object_map_set(wd->content, NULL);
+        evas_object_map_enable_set(wd->content, EINA_FALSE);
+        evas_object_move(wd->content, x, y);
+        evas_object_resize(wd->content, w, h);
+     }
+}
+
+static void
+_configure(Evas_Object *obj)
+{
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->content)
+     {
+        Evas_Coord x, y, w, h, x2, y2;
+
+        evas_object_geometry_get(wd->clip, &x, &y, &w, &h);
+        evas_object_geometry_get(wd->content, &x2, &y2, NULL, NULL);
+        if ((x != x2) || (y != y2))
+          {
+             if (!wd->enabled)
+               evas_object_move(wd->content, x, y);
+             else
+               {
+
+                  Evas *e = evas_object_evas_get(obj);
+                  evas_smart_objects_calculate(e);
+                  evas_nochange_push(e);
+                  evas_object_move(wd->content, x, y);
+                  evas_smart_objects_calculate(e);
+                  evas_nochange_pop(e);
+               }
+          }
+        evas_object_resize(wd->content, w, h);
+        _mapbuf(obj);
+     }
+}
+
+static void
+_move(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   _configure(data);
+}
+
+static void
+_resize(void *data __UNUSED__, Evas *e __UNUSED__, Evas_Object *obj __UNUSED__, void *event_info __UNUSED__)
+{
+   _configure(data);
+}
+
+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)
+     {
+        evas_object_data_set(content, "_elm_leaveme", (void *)1);
+        elm_widget_sub_object_add(obj, content);
+        evas_object_smart_member_add(content, obj);
+        evas_object_clip_set(content, wd->clip);
+        evas_object_color_set(wd->clip, 255, 255, 255, 255);
+        evas_object_event_callback_add(content,
+                                       EVAS_CALLBACK_CHANGED_SIZE_HINTS,
+                                       _changed_size_hints, obj);
+     }
+   else
+     evas_object_color_set(wd->clip, 0, 0, 0, 0);
+   _sizing_eval(obj);
+   _configure(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) return NULL;
+   if (!wd->content) return NULL;
+   content = wd->content;
+   elm_widget_sub_object_del(obj, content);
+   evas_object_smart_member_del(content);
+   evas_object_color_set(wd->clip, 0, 0, 0, 0);
+   evas_object_data_del(content, "_elm_leaveme");
+   return content;
+}
+
+EAPI Evas_Object *
+elm_mapbuf_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, "mapbuf");
+   elm_widget_type_set(obj, "mapbuf");
+   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_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);
+   elm_widget_can_focus_set(obj, EINA_FALSE);
+
+   wd->clip = evas_object_rectangle_add(e);
+   evas_object_static_clip_set(wd->clip, EINA_TRUE);
+   evas_object_pass_events_set(wd->clip, EINA_TRUE);
+   evas_object_color_set(wd->clip, 0, 0, 0, 0);
+
+   evas_object_event_callback_add(wd->clip, EVAS_CALLBACK_MOVE, _move, obj);
+   evas_object_event_callback_add(wd->clip, EVAS_CALLBACK_RESIZE, _resize, obj);
+   evas_object_smart_callback_add(obj, "sub-object-del", _sub_del, obj);
+
+   elm_widget_resize_object_set(obj, wd->clip);
+
+   wd->enabled = 0;
+   wd->alpha = 1;
+   wd->smooth = 1;
+
+   _sizing_eval(obj);
+   return obj;
+}
+
+EAPI void
+elm_mapbuf_enabled_set(Evas_Object *obj, Eina_Bool enabled)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->enabled == enabled) return;
+   wd->enabled = enabled;
+   if (wd->content) evas_object_static_clip_set(wd->content, wd->enabled);
+   _configure(obj);
+}
+
+EAPI Eina_Bool
+elm_mapbuf_enabled_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+   return wd->enabled;
+}
+
+EAPI void
+elm_mapbuf_smooth_set(Evas_Object *obj, Eina_Bool smooth)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->smooth == smooth) return;
+   wd->smooth = smooth;
+   _configure(obj);
+}
+
+EAPI Eina_Bool
+elm_mapbuf_smooth_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+   return wd->smooth;
+}
+
+EAPI void
+elm_mapbuf_alpha_set(Evas_Object *obj, Eina_Bool alpha)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype);
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return;
+   if (wd->alpha == alpha) return;
+   wd->alpha = alpha;
+   _configure(obj);
+}
+
+EAPI Eina_Bool
+elm_mapbuf_alpha_get(const Evas_Object *obj)
+{
+   ELM_CHECK_WIDTYPE(obj, widtype) EINA_FALSE;
+   Widget_Data *wd = elm_widget_data_get(obj);
+   if (!wd) return EINA_FALSE;
+   return wd->alpha;
+}