added some functions.

src/lib/aqdiagram/draw/w_drawable.c

@@ -455,6 +455,49 @@ int AQDG_DrawableWidget_GetTextHeight(AQDG_OBJECT *object)
 
 
 
+AQDG_OBJECT *AQDG_DrawableWidget_GetFirstVisibleChild(const AQDG_OBJECT *o)
+{
+  if (o) {
+    AQDG_OBJECT *child;
+
+    child=AQDG_Object_Tree2_GetFirstChild(o);
+    while(child) {
+      if (child && !(AQDG_Object_GetFlags(child) & AQDG_OBJECT_FLAGS_HIDDEN))
+        return child;
+      child=AQDG_Object_Tree2_GetNext(child);
+    }
+  }
+  return NULL;
+}
+
+
+
+AQDG_OBJECT *AQDG_DrawableWidget_GetNextVisibleWidget(AQDG_OBJECT *o)
+{
+  while(o) {
+    o=AQDG_Object_Tree2_GetNext(o);
+    if (o && !(AQDG_Object_GetFlags(o) & AQDG_OBJECT_FLAGS_HIDDEN))
+      return o;
+  }
+  return NULL;
+}
+
+
+
+void AQDG_DrawableWidget_UnhideAllChildren(AQDG_OBJECT *o)
+{
+  AQDG_OBJECT *child;
+
+  child=AQDG_Object_Tree2_GetFirstChild(o);
+  while(child) {
+    AQDG_Object_SubFlags(child, AQDG_OBJECT_FLAGS_HIDDEN);
+    child=AQDG_Object_Tree2_GetNext(child);
+  }
+}
+
+
+
+
 
 
 

src/lib/aqdiagram/draw/w_drawable.h

@@ -77,6 +77,9 @@ AQDG_API void AQDG_DrawableWidget_UpdateTextContentDims(AQDG_OBJECT *object);
 AQDG_API int AQDG_DrawableWidget_GetTextWidth(AQDG_OBJECT *object);
 AQDG_API int AQDG_DrawableWidget_GetTextHeight(AQDG_OBJECT *object);
 
+AQDG_API AQDG_OBJECT *AQDG_DrawableWidget_GetFirstVisibleChild(const AQDG_OBJECT *o);
+AQDG_API AQDG_OBJECT *AQDG_DrawableWidget_GetNextVisibleWidget(AQDG_OBJECT *o);
+AQDG_API void AQDG_DrawableWidget_UnhideAllChildren(AQDG_OBJECT *o);
 
 #endif