1 files changed, 71 insertions, 0 deletions
diff --git a/src/gwin/gcontainer.c b/src/gwin/gcontainer.c
new file mode 100644
index 00000000..98281183
--- /dev/null
+++ b/src/gwin/gcontainer.c
@@ -0,0 +1,71 @@
+/*
+ * This file is subject to the terms of the GFX License. If a copy of
+ * the license was not distributed with this file, you can obtain one at:
+ *
+ *              http://ugfx.org/license.html
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GWIN && GWIN_NEED_CONTAINERS
+
+#include "src/gwin/class_gwin.h"
+
+void _gcontainerInit(void)
+{
+}
+
+void _gcontainerDeinit(void)
+{
+}
+
+GHandle _gcontainerCreate(GDisplay *g, GContainerObject *pgc, const GWidgetInit *pInit, const gcontainerVMT *vmt) {
+	if (!(pgc = (GContainerObject *)_gwidgetCreate(g, (GWidgetObject *)pgc, pInit, &vmt->gw)))
+		return 0;
+
+	pgc->g.flags |= GWIN_FLG_CONTAINER;
+
+	return 	&pgc->g;
+}
+
+void _gcontainerDestroy(GHandle gh) {
+	GHandle		child;
+
+	while((child = gwinGetFirstChild(gh)))
+		gwinDestroy(child);
+	_gwidgetDestroy(gh);
+}
+
+void _gwinRecurse(GHandle gh, bool_t (*fn)(GHandle gh)) {
+	if (fn(gh) && (gh->flags & GWIN_FLG_CONTAINER)) {
+		// Apply to this windows children
+		for(gh = gwinGetFirstChild(gh); gh; gh = gwinGetSibling(gh)) {
+			// Only recurse when we have to. Otherwise apply it directly
+			if ((gh->flags & GWIN_FLG_CONTAINER))
+				_gwinRecurse(gh, fn);
+			else
+				fn(gh);
+		}
+	}
+}
+
+GHandle gwinGetFirstChild(GHandle gh) {
+	GHandle		child;
+
+	for(child = gwinGetNextWindow(0); child; child = gwinGetNextWindow(child))
+		if (child->parent == gh)
+			return child;
+	return 0;
+}
+
+GHandle gwinGetSibling(GHandle gh) {
+	GHandle		child;
+
+	for(child = gwinGetNextWindow(gh), gh = gh->parent; child; child = gwinGetNextWindow(child))
+		if (child->parent == gh)
+			return child;
+	return 0;
+}
+
+#endif /* GFX_USE_GWIN && GWIN_NEED_CONTAINERS */
+/** @} */