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124 lines
4.5 KiB
124 lines
4.5 KiB
/**************************************************************************** |
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* graphics/nxmu/nxmu_requestbkgd.c |
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* |
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* Copyright (C) 2008-2009, 2011 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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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 <debug.h> |
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#include <nuttx/nx/nx.h> |
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#include "nxfe.h" |
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/**************************************************************************** |
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* Pre-Processor Definitions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Types |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Data |
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****************************************************************************/ |
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/**************************************************************************** |
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* Private Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Functions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Name: nxmu_requestbkgd |
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* |
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* Description: |
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* Perform the server-side operation for the nx_requestbkgd operation: |
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* Give the client control of the background window connection and receipt |
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* of all background window callbacks. |
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* |
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* conn - The client containing connection information [IN] |
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* be - The server state structure [IN] |
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* cb - Callbacks used to process window events |
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* arg - User provided argument (see nx_openwindow, nx_constructwindow) |
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* |
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* Return: |
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* None |
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* |
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****************************************************************************/ |
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void nxmu_requestbkgd(FAR struct nxfe_conn_s *conn, |
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FAR struct nxbe_state_s *be, |
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FAR const struct nx_callback_s *cb, |
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FAR void *arg) |
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{ |
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#ifdef CONFIG_DEBUG |
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if (!conn || !be || !cb) |
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{ |
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errno = EINVAL; |
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} |
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#endif |
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/* Set the client's callback vtable and and replace the server |
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* connection with the clients connection. |
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*/ |
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be->bkgd.cb = cb; |
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be->bkgd.arg = arg; |
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be->bkgd.conn = conn; |
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/* Report the size/position of the background window to the client */ |
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nxfe_reportposition((NXWINDOW)&be->bkgd); |
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/* Redraw the background window */ |
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nxfe_redrawreq(&be->bkgd, &be->bkgd.bounds); |
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/* Provide the mouse settings */ |
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#ifdef CONFIG_NX_MOUSE |
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nxmu_mousereport(&be->bkgd); |
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#endif |
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} |
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