77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/****************************************************************************
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* libs/libnx/nxmu/nx_redrawreq.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <errno.h>
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#include <assert.h>
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#include <debug.h>
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#include <nuttx/nx/nx.h>
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#include <nuttx/nx/nxbe.h>
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#include <nuttx/nx/nxmu.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nx_redrawreq
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*
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* Description:
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* This will cause a NX re-draw callback to the client that owns the
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* window. This is not normally called from user code, but may be
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* used within middle-ware layers when redrawing is needed.
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*
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* Input Parameters:
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* hwnd - Window handle
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* rect - The rectangle that needs to be re-drawn (in window relative
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* coordinates)
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void nx_redrawreq(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect)
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{
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FAR struct nxbe_window_s *wnd = (FAR struct nxbe_window_s *)hwnd;
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struct nxsvrmsg_redrawreq_s outmsg;
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int ret;
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DEBUGASSERT(wnd && rect);
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/* Inform the server of the changed position */
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outmsg.msgid = NX_SVRMSG_REDRAWREQ;
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outmsg.wnd = wnd;
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nxgl_rectcopy(&outmsg.rect, rect);
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ret = nxmu_sendwindow(wnd, &outmsg, sizeof(struct nxsvrmsg_redrawreq_s));
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if (ret < 0)
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{
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gerr("ERROR: nxmu_sendwindow failed: %d\n", get_errno());
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}
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}
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