Multi-user graphics front-end

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1325 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 113 insertions, 0 deletions

diff --git a/nuttx/graphics/nxmu/nxmu_openwindow.c b/nuttx/graphics/nxmu/nxmu_openwindow.c
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+/****************************************************************************
+ * graphics/nxmu/nxmu_openwindow.c
+ *
+ *   Copyright (C) 2008 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 <sys/types.h>
+
+#include <nuttx/nx.h>
+#include "nxfe.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nxmu_openwindow
+ *
+ * Description:
+ *   Create a new window.
+ *
+ * Input Parameters:
+ *   conn - The client containing connection information [IN]
+ *   be   - The server state structure [IN]
+ *   wnd  - The pre-allocated window structure to be ininitilized [IN/OUT]
+ *
+ * Return:
+ *   None
+ *
+ ****************************************************************************/
+
+void nxsmu_openwindow(FAR struct nxfe_conn_s *conn,
+                      FAR struct nxbe_state_s *be,
+                      FAR struct nxbe_window_s *wnd)
+{
+  /* The window structure was allocated in nx_openwindow and all fields have
+   * been set to zero (except sem... see below).  We need only initialize the
+   * the non zero fields and insert the new window.
+   */
+
+  wnd->be   = be;
+  wnd->conn = conn;
+
+  /* Now, insert the new window at the top on the display.  topwind is
+   * never NULL (it may point only at the background window, however)
+   */
+
+  wnd->above        = NULL;
+  wnd->below        = be->topwnd;
+
+  be->topwnd->above = wnd;
+  be->topwnd        = wnd;
+
+  /* Provide the initial mouse settings */
+
+#ifdef CONFIG_NX_MOUSE
+  nxmu_mousereport(wnd);
+#endif
+}