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, 116 insertions, 0 deletions

diff --git a/nuttx/graphics/nxmu/nx_setsize.c b/nuttx/graphics/nxmu/nx_setsize.c
new file mode 100644
index 000000000..eeff5969e
--- /dev/null
+++ b/nuttx/graphics/nxmu/nx_setsize.c
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+/****************************************************************************
+ * graphics/nxmu/nx_setsize.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 <errno.h>
+#include <debug.h>
+
+#include <nuttx/nx.h>
+#include "nxfe.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nx_setsize`
+ *
+ * Description:
+ *  Set the size of the selected window
+ *
+ * Input Parameters:
+ *   hwnd   - The window handle
+ *   size   - The new size of the window.
+ *
+ * Return:
+ *   OK on success; ERROR on failure with errno set appropriately
+ *
+ ****************************************************************************/
+
+int nx_setsize(NXWINDOW hwnd, FAR struct nxgl_rect_s *size)
+{
+  FAR struct nxbe_window_s   *wnd = (FAR struct nxbe_window_s *)hwnd;
+  struct nxsvrmsg_setsize_s outmsg;
+  int                       ret;
+
+#ifdef CONFIG_DEBUG
+  if (!wnd || !size)
+    {
+      errno = EINVAL;
+      return ERROR;
+    }
+#endif
+
+  /* Then inform the server of the changed position */
+
+  outmsg.msgid = NX_SVRMSG_SETSIZE;
+  outmsg.wnd   = wnd;
+  nxgl_rectcopy(&outmsg.size, size);
+
+  ret = mq_send(wnd->conn->cwrmq, &outmsg, sizeof(struct nxsvrmsg_setsize_s), NX_SVRMSG_PRIO);
+  if (ret < 0)
+    {
+      gdbg("mq_send failed: %d\n", errno);
+      return ERROR;
+    }
+
+  return OK;
+}