/**************************************************************************** * graphics/nxmu/nxfe.h * * Copyright (C) 2008-2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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. * ****************************************************************************/ #ifndef __GRAPHICS_NXMU_NXFE_H #define __GRAPHICS_NXMU_NXFE_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include "nxbe.h" /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /**************************************************************************** * Public Types ****************************************************************************/ /* Server state structure ***************************************************/ /* This the server 'front-end' state structure */ struct nxfe_state_s { /* The 'back-end' window status. Must be first so that instances of * struct nxbe_state_s can be simply cast to an instance of struct * nxfe_state_s */ struct nxbe_state_s be; /* This is the server's connection to itself */ struct nxfe_conn_s conn; }; /**************************************************************************** * Public Data ****************************************************************************/ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: nxmu_sendclient * * Description: * Send a message to the client at NX_CLIMSG_PRIO priority * * Input Parameters: * conn - A pointer to the server connection structure * msg - A pointer to the message to send * msglen - The length of the message in bytes. * * Return: * OK on success; ERROR on failure with errno set appropriately * ****************************************************************************/ int nxmu_sendclient(FAR struct nxfe_conn_s *conn, FAR const void *msg, size_t msglen); /**************************************************************************** * Name: nxmu_sendclientwindow * * Description: * Send a message to the client at NX_CLIMSG_PRIO priority * * Input Parameters: * wnd - A pointer to the back-end window structure * msg - A pointer to the message to send * msglen - The length of the message in bytes. * * Return: * OK on success; ERROR on failure with errno set appropriately * ****************************************************************************/ int nxmu_sendclientwindow(FAR struct nxbe_window_s *wnd, FAR const void *msg, size_t msglen); /**************************************************************************** * Name: nxmu_openwindow * * Description: * Create a new window. * * Input Parameters: * be - The back-end status structure * wnd - The pre-allocated window structure to be initialized [IN/OUT] * * Return: * None * ****************************************************************************/ void nxmu_openwindow(FAR struct nxbe_state_s *be, FAR struct nxbe_window_s *wnd); /**************************************************************************** * Name: nxmu_requestbkgd * * Description: * Perform the server-side operation for the nx_requestbkgd operation: * Give the client control of the background window connection and receipt * of all background window callbacks. * * conn - The client containing connection information [IN] * be - The server state structure [IN] * cb - Callbacks used to process window events * arg - User provided argument (see nx_openwindow, nx_constructwindow) * * Return: * None * ****************************************************************************/ void nxmu_requestbkgd(FAR struct nxfe_conn_s *conn, FAR struct nxbe_state_s *be, FAR const struct nx_callback_s *cb, FAR void *arg); /**************************************************************************** * Name: nxmu_releasebkgd * * Description: * Release the background window previously acquired using nxmu_openbgwindow * and return control of the background to NX. * * Input Parameters: * fe - The front-end state structure * * Return: * None * ****************************************************************************/ void nxmu_releasebkgd(FAR struct nxfe_state_s *fe); /**************************************************************************** * Name: nxfe_reportposition * * Description: * Report the new size/position of the window. * ****************************************************************************/ void nxfe_reportposition(FAR struct nxbe_window_s *wnd); /**************************************************************************** * Name: nxfe_redrawreq * * Description: * Request the client that has this window to redraw the rectangular region. * ****************************************************************************/ void nxfe_redrawreq(FAR struct nxbe_window_s *wnd, FAR const struct nxgl_rect_s *rect); /**************************************************************************** * Name: nxmu_mouseinit * * Description: * Initialize with the mouse in the center of the display * ****************************************************************************/ #ifdef CONFIG_NX_MOUSE void nxmu_mouseinit(int x, int y); #endif /**************************************************************************** * Name: nxmu_mousereport * * Description: * Report mouse position info to the specified window * * Input Parameters: * wnd - The window to receive the mouse report * * Returned Value: * 0: Mouse report sent; >0: Mouse report not sent; <0: An error occurred * ****************************************************************************/ #ifdef CONFIG_NX_MOUSE int nxmu_mousereport(struct nxbe_window_s *wnd); #endif /**************************************************************************** * Name: nxmu_mousein * * Description: * New positional data has been received from the thread or interrupt * handler that manages some kind of pointing hardware. Route that * positional data to the appropriate window client. * ****************************************************************************/ #ifdef CONFIG_NX_MOUSE int nxmu_mousein(FAR struct nxfe_state_s *fe, FAR const struct nxgl_point_s *pos, int button); #endif /**************************************************************************** * Name: nxmu_kbdin * * Description: * New keyboard data has been received from the thread or interrupt * handler that manages some kind of keyboard/keypad hardware. Route that * positional data to the appropriate window client. * ****************************************************************************/ #ifdef CONFIG_NX_KBD void nxmu_kbdin(FAR struct nxfe_state_s *fe, uint8_t nch, FAR uint8_t *ch); #endif #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __GRAPHICS_NXMU_NXFE_H */