diff options
Diffstat (limited to 'NxWidgets/libnxwidgets/include/cnxserver.hxx')
| -rw-r--r-- | NxWidgets/libnxwidgets/include/cnxserver.hxx | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/NxWidgets/libnxwidgets/include/cnxserver.hxx b/NxWidgets/libnxwidgets/include/cnxserver.hxx new file mode 100644 index 000000000..2c79558a0 --- /dev/null +++ b/NxWidgets/libnxwidgets/include/cnxserver.hxx @@ -0,0 +1,199 @@ +/**************************************************************************** + * NxWidgets/libnxwidgets/include/cnxserver.hxx + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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, NxWidgets, nor the names of its contributors + * me 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 __INCLUDE_CNXSERVER_HXX +#define __INCLUDE_CNXSERVER_HXX + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <stdint.h> +#include <stdbool.h> + +#include <nuttx/nx/nx.h> + +#include "cnxwindow.hxx" +#include "cbgwindow.hxx" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Implementation Classes + ****************************************************************************/ + +#if defined(__cplusplus) + +namespace NXWidgets +{ + /** + * Forward references + */ + + class CBgWindow; + + /** + * This class represents the NX server. It includes methods to connect to + * and disconnect form the NX server, methods to manage the background, and + * "factory" methods to create window objects on the NX server. NXWidget + * objects them may be created on the window objects. + */ + + class CNxServer + { + private: +#ifndef CONFIG_NX_MULTIUSER + FAR NX_DRIVERTYPE *m_hDevice; /**< LCD/Framebuffer device handle */ +#endif + NXHANDLE m_hNxServer; /**< NX server handle */ +#ifdef CONFIG_NX_MULTIUSER + voilatile bool m_running; /**< True: The listener thread is running */ + voilatile bool m_connected; /**< True: Connected to the server */ + volatile bool m_stop; /**< True: Waiting for the listener thread to stop */ + sem_t m_connsem; /**< Wait for server connection */ +#endif + static uint8_t m_nServers; /**< The number of NX server instances */ + + /** + * This is the entry point of a thread that listeners for and dispatches + * events from the NX server. + */ + +#ifdef CONFIG_NX_MULTIUSER + static FAR void *listener(FAR void *arg); +#endif + + public: + + /** + * CNXServer constructor. The CNxServer is a normally singleton. However, that + * not enforced: This constructor could run more than one in the situation where + * there are multiple physical displays. However, that configuration has never + * been texted. + */ + + CNxServer(void); + + /** + * CNXServer destructor + */ + + ~CNxServer(void); + + /** + * Connect to the NX Server + */ + + virtual bool connect(void); + + /** + * Disconnect from the NX Server + */ + + virtual void disconnect(void); + + /** + * Get the NX server handle + * + * @return The NX server handler (NULL is not connected) + */ + + inline NXHANDLE getServer(void) + { + return m_hNxServer; + } + + /** + * Test if we are connected to the NX server. + * + * @return True is connected; false is not connected. + */ + + inline bool connected(void) + { +#ifdef CONFIG_NX_MULTIUSER + return m_connected; +#else + return true; +#endif + } + + /** + * Set the background color + */ + + inline bool setBackgroundColor(nxgl_mxpixel_t color) + { + return nx_setbgcolor(m_hNxServer, &color) == OK; + } + + /** + * Get an instance of a raw NX window. + */ + + inline CNxWindow *createRawWindow(CWidgetControl *widgetControl) + { + return new CNxWindow(m_hNxServer, widgetControl); + } + + /** + * Get an instance of the framed NX window. + */ + +#if 0 // Not ready for prime time + inline CFramedWindow *createFramedWindow(CWidgetControl *widgetControl) + { + return new CFramedWindow(m_hNxServer, widgetControl); + } +#endif + + /** + * Get an instance of the background window. + */ + + inline CBgWindow *getBgWindow(CWidgetControl *widgetControl) + { + return new CBgWindow(m_hNxServer, widgetControl); + } + }; +} + +#endif // __cplusplus + +#endif // __INCLUDE_CNXSERVER_HXX |