added VLayer object.

src/lib/aqdiagram/placement/0BUILD

@@ -65,6 +65,7 @@
       o_layout.h
       o_hlayout.h
       o_hlayout-t.h
+      o_vlayout.h
     </headers>
 
 
@@ -79,6 +80,7 @@
       o_layout.c
       o_hlayout.c
       o_hlayout-t.c
+      o_vlayout.c
     </sources>
 
 

src/lib/aqdiagram/placement/o_vlayout.c

@@ -0,0 +1,84 @@
+/****************************************************************************
+ * This file is part of the project AqDiagram.
+ * AqDiagram (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "o_vlayout.h"
+#include "o_layout.h"
+
+
+/* ------------------------------------------------------------------------------------------------
+ * forward declarations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+static int _layout(AQDG_OBJECT *object);
+
+
+
+/* ------------------------------------------------------------------------------------------------
+ * implementations
+ * ------------------------------------------------------------------------------------------------
+ */
+
+AQDG_OBJECT *AQDG_VLayoutObject_new(AQDG_OBJECT *parent, uint32_t options)
+{
+  AQDG_OBJECT *object;
+
+  object=AQDG_Object_new();
+  AQDG_Object_SetOptions(object, options);
+
+  AQDG_Object_SetLayoutFn(object, _layout);
+
+  if (parent)
+    AQDG_Object_Tree2_AddChild(parent, object);
+  return object;
+}
+
+
+
+int _layout(AQDG_OBJECT *object)
+{
+  int num;
+
+  num=AQDG_LayoutObject_CountDirectChildren(object);
+  if (num) {
+    AQDG_PLACEMENT_LAYOUT_ELEMENT *elements;
+
+    AQDG_LayoutObject_SetChildrenHeights(object);
+    elements=AQDG_LayoutObject_Children2ElementsY(object, num);
+    if (elements) {
+      AQDG_Placement_LayoutAndStretch(elements, num,
+                                      AQDG_Object_GetHeight(object),
+                                      AQDG_Object_GetBorderTop(object),
+                                      AQDG_Object_GetBorderBottom(object),
+                                      AQDG_Object_GetVSpacing(object));
+      AQDG_LayoutObject_ChildrenFromElementsY(object, elements, num);
+      free(elements);
+    }
+
+    AQDG_LayoutObject_SetChildrenWidths(object);
+    elements=AQDG_LayoutObject_Children2ElementsX(object, num);
+    if (elements) {
+      AQDG_Placement_LayoutSecondaryAxis(elements, num,
+                                         AQDG_Object_GetWidth(object),
+                                         AQDG_Object_GetBorderLeft(object),
+                                         AQDG_Object_GetBorderRight(object));
+      AQDG_LayoutObject_ChildrenFromElementsX(object, elements, num);
+      free(elements);
+    }
+
+  }
+
+  return 0;
+}
+
+
+

src/lib/aqdiagram/placement/o_vlayout.h

@@ -0,0 +1,24 @@
+/****************************************************************************
+ * This file is part of the project AqDiagram.
+ * AqDiagram (c) by 2023 Martin Preuss, all rights reserved.
+ *
+ * The license for this file can be found in the file COPYING which you
+ * should have received along with this file.
+ ****************************************************************************/
+
+#ifndef AQDG_PLACEMENT_O_VLAYOUT_H
+#define AQDG_PLACEMENT_O_VLAYOUT_H
+
+#include <aqdiagram/aqdg_api.h>
+
+#include <aqdiagram/placement/object.h>
+
+
+
+AQDG_API AQDG_OBJECT *AQDG_VLayoutObject_new(AQDG_OBJECT *parent, uint32_t options);
+
+
+
+
+#endif
+