/**************************************************************************** * graphics/nxmu/nxmu.h * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ #ifndef __GRAPHICS_NXMU_NXMU_H #define __GRAPHICS_NXMU_NXMU_H /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include "nxbe.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /**************************************************************************** * Public Types ****************************************************************************/ /* Server state structure ***************************************************/ /* This the server NXMU state structure */ struct nxmu_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 * nxmu_state_s */ struct nxbe_state_s be; /* This is the server's connection to itself */ struct nxmu_conn_s conn; }; /**************************************************************************** * Public Data ****************************************************************************/ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /**************************************************************************** * Public Functions Definitions ****************************************************************************/ /**************************************************************************** * 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. * * Returned Value: * OK on success; ERROR on failure with errno set appropriately * ****************************************************************************/ int nxmu_sendclient(FAR struct nxmu_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. * * Returned Value: * 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] * * Returned Value: * 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) * * Returned Value: * None * ****************************************************************************/ void nxmu_requestbkgd(FAR struct nxmu_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: * nxmu - The NXMU state structure * * Returned Value: * None * ****************************************************************************/ void nxmu_releasebkgd(FAR struct nxmu_state_s *nxmu); /**************************************************************************** * Name: nxmu_reportposition * * Description: * Report the new size/position of the window. * ****************************************************************************/ void nxmu_reportposition(FAR struct nxbe_window_s *wnd); /**************************************************************************** * Name: nxmu_redrawreq * * Description: * Send a message to the client requesting that it to redraw the rectangular * region in the window. * ****************************************************************************/ void nxmu_redrawreq(FAR struct nxbe_window_s *wnd, FAR const struct nxgl_rect_s *rect); /**************************************************************************** * Name: nxmu_redraw * * Description: * Redraw client window data. This may involve either sending a message * to the client requesting that it redraw a region of the window. Or, in * the base that the window supports a per-window framebuffer, this might * amount to an immediate redraw from the framebuffer. * ****************************************************************************/ void nxmu_redraw(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_XYINPUT 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_XYINPUT 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_XYINPUT int nxmu_mousein(FAR struct nxmu_state_s *nxmu, 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 nxmu_state_s *nxmu, uint8_t nch, FAR uint8_t *ch); #endif #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __GRAPHICS_NXMU_NXMU_H */