1 files changed, 116 insertions, 0 deletions
diff --git a/nuttx/graphics/nxbe/nxbe_raise.c b/nuttx/graphics/nxbe/nxbe_raise.c
new file mode 100644
index 000000000..ef4c392c0
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+++ b/nuttx/graphics/nxbe/nxbe_raise.c
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+/****************************************************************************
+ * graphics/nxbe/nxbe_raise.c
+ *
+ *   Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <nuttx/nx/nxglib.h>
+
+#include "nxbe.h"
+#include "nxfe.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+struct nxbe_raise_s
+{
+  struct nxbe_clipops_s cops;
+  FAR struct nxbe_window_s *wnd;
+};
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxbe_raise
+ *
+ * Description:
+ *   Bring the specified window to the top of the display.
+ *
+ ****************************************************************************/
+
+void nxbe_raise(FAR struct nxbe_window_s *wnd)
+{
+  FAR struct nxbe_state_s *be = wnd->be;
+
+  /* If this window is already at the top of the display, then do nothing */
+
+  if (!wnd->above)
+    {
+      return;
+    }
+
+  /* Remove window from the list.  Note that there is always
+   * some below this window (it may only be the background window)
+   */
+
+  wnd->above->below  = wnd->below;
+  wnd->below->above  = wnd->above;
+
+  /* Then put it back in the list at the top */
+
+  wnd->above         = NULL;
+  wnd->below         = be->topwnd;
+
+  be->topwnd->above  = wnd;
+  be->topwnd         = wnd;
+
+  /* This window is now at the top of the display, we know, therefore, that
+   * it is not obscured by another window
+   */
+
+  nxfe_redrawreq(wnd, &wnd->bounds);
+}