+static void
+_content_left_set(Evas_Object *obj, Evas_Object *content)
+{
+ Widget_Data *wd = elm_widget_data_get(obj);
+ if (wd->contents.left == content) return;
+ if (wd->contents.left)
+ {
+ evas_object_del(wd->contents.left);
+ edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
+ }
+ wd->contents.left = content;
+ if (content)
+ {
+ elm_widget_sub_object_add(obj, content);
+ edje_object_part_swallow(wd->panes, "elm.swallow.left", content);
+ if (wd->contents.right)
+ edje_object_signal_emit(wd->panes, "elm.panes.pair", "elm");
+ }
+}
+
+static void
+_content_right_set(Evas_Object *obj, Evas_Object *content)
+{
+ Widget_Data *wd = elm_widget_data_get(obj);
+ if (wd->contents.right == content) return;
+ if (wd->contents.right)
+ {
+ evas_object_del(wd->contents.right);
+ edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
+ }
+ wd->contents.right = content;
+ if (content)
+ {
+ elm_widget_sub_object_add(obj, content);
+ edje_object_part_swallow(wd->panes, "elm.swallow.right", content);
+ if (wd->contents.left)
+ edje_object_signal_emit(wd->panes, "elm.panes.pair", "elm");
+ }
+}
+
+static Evas_Object *
+_content_left_unset(Evas_Object *obj)
+{
+ Widget_Data *wd = elm_widget_data_get(obj);
+ if (!wd->contents.left) return NULL;
+ Evas_Object *content = wd->contents.left;
+ elm_widget_sub_object_del(obj, content);
+ edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
+ return content;
+}
+
+static Evas_Object *
+_content_right_unset(Evas_Object *obj)
+{
+ Widget_Data *wd = elm_widget_data_get(obj);
+ if (!wd->contents.right) return NULL;
+ Evas_Object *content = wd->contents.right;
+ elm_widget_sub_object_del(obj, content);
+ edje_object_signal_emit(wd->panes, "elm.panes.unpair", "elm");
+ return content;
+}
+
+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 && (!strncmp(part, "elm.swallow.", 12))) part += 12;
+ if (!part || !strcmp(part, "left"))
+ _content_left_set(obj, content);
+ else if (!strcmp(part, "right"))
+ _content_right_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 && (!strncmp(part, "elm.swallow.", 12))) part += 12;
+ if (!part || !strcmp(part, "left"))
+ return wd->contents.left;
+ else if (!strcmp(part, "right"))
+ return wd->contents.right;
+ 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 && (!strncmp(part, "elm.swallow.", 12))) part += 12;
+ if (!part || !strcmp(part, "left"))
+ return _content_left_unset(obj);
+ else if (!strcmp(part, "right"))
+ return _content_right_unset(obj);
+ return NULL;
+}
+