306 lines
9.0 KiB
C++
306 lines
9.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// apps/graphics/twm4nx/src/cwindow.hxx
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// NxTerm window
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//
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// Copyright (C) 2019 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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#ifndef __APPS_INCLUDE_GRAPHICS_TWM4NX_CNXTERM_HXX
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#define __APPS_INCLUDE_GRAPHICS_TWM4NX_CNXTERM_HXX
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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 <sys/types.h>
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#include <nuttx/nx/nxtk.h>
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#include <nuttx/nx/nxterm.h>
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#include "graphics/twm4nx/ctwm4nx.hxx"
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#include "graphics/twm4nx/iapplication.hxx"
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/////////////////////////////////////////////////////////////////////////////
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// Implementation Classes
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/////////////////////////////////////////////////////////////////////////////
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namespace Twm4Nx
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{
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/**
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* One time NSH initialization. This function must be called exactly
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* once during the boot-up sequence to initialize the NSH library.
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*
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* @return True on successful initialization
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*/
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bool nshlibInitialize(void);
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/**
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* This class implements the NxTerm application.
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*/
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class CNxTerm
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{
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private:
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CTaskbar *m_twm4nx; /**< Reference to the "parent" twm4nx */
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CApplicationWindow *m_window; /**< Reference to the application window */
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NXTERM m_nxterm; /**< NxTerm handle */
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pid_t m_pid; /**< Task ID of the NxTerm thread */
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int m_minor; /**< Terminal device minor number */
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/**
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* This is the NxTerm task. This function first redirects output to the
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* console window then calls to start the NSH logic.
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*/
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static int nxterm(int argc, char *argv[]);
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/**
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* This is the NxTerm task exit handler. It is registered with on_exit()
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* and called automatically when the nxterm task exits.
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*/
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static void exitHandler(int code, FAR void *arg);
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/**
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* Called when the window minimize button is pressed.
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*/
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void minimize(void);
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/**
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* Called when the window close button is pressed.
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*/
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void close(void);
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/**
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* Start the application (perhaps in the minimized state).
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*
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* @return True if the application was successfully started.
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*/
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bool run(void);
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/**
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* Stop the application.
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*/
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void stop(void);
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/**
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* Destroy the application and free all of its resources. This method
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* will initiate blocking of messages from the NX server. The server
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* will flush the window message queue and reply with the blocked
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* message. When the block message is received by CWindowMessenger,
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* it will send the destroy message to the start window task which
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* will, finally, safely delete the application.
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*/
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void destroy(void);
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/**
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* The application window is hidden (either it is minimized or it is
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* maximized, but not at the top of the hierarchy
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*/
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void hide(void);
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/**
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* Redraw the entire window. The application has been maximized or
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* otherwise moved to the top of the hierarchy. This method is call from
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* CTaskbar when the application window must be displayed
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*/
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void redraw(void);
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/**
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* Report of this is a "normal" window or a full screen window. The
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* primary purpose of this method is so that window manager will know
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* whether or not it show draw the task bar.
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*
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* @return True if this is a full screen window.
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*/
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bool isFullScreen(void) const;
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};
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class CNxTermFactory : public IApplication, public IApplicationFactory
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{
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private:
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CTaskbar *m_twm4nx; /**< The twm4nx */
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/**
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* Return the Main Menu item string. This overrides the method from
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* IApplication
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*
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* @param name The name of the application.
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*/
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inline NXWidgets::CNxString getName(void)
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{
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return NXWidgets::CNxString("NxTerm");
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}
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/**
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* There is no sub-menu for this Main Menu item. This overrides
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* the method from IApplication.
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*
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* @return This implementation will always return a null value.
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*/
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inline FAR CMenus *getSubMenu(void)
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{
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return (FAR CMenus *)0;
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}
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/**
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* There is no application start-up function. This function will not
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* be called in this implementation
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*/
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inline TStartFunction getStartFunction(void)
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{
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return (TStartFunction)startFunction;
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}
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/**
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* There is no custom event handler. We use the common event handler.
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*
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* @return. null is always returned in this impementation.
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*/
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inline FAR CTwm4NxEvent *getEventHandler(void)
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{
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return (FAR CTwm4NxEvent *)0;
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}
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/**
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* Return the Twm4Nx event that will be generated when the Main Menu
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* item is selected.
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*
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* @return. This function always returns EVENT_SYSTEM_NOP.
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*/
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inline uint16_t getEvent(void)
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{
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return EVENT_SYSTEM_NOP;
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}
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public:
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/**
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* CNxTerm constructor
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*
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* @param window. The application window
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*
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* @param twm4nx. A pointer to the parent task bar instance
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* @param window. The window to be used by this application.
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*/
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CNxTerm(CTaskbar *twm4nx, CApplicationWindow *window);
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/**
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* CNxTerm destructor
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*/
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~CNxTerm(void);
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/**
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* Each implementation of IApplication must provide a method to recover
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* the contained CApplicationWindow instance.
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*/
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IApplicationWindow *getWindow(void) const;
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/**
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* Get the icon associated with the application
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*
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* @return An instance if IBitmap that may be used to rend the
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* application's icon. This is an new IBitmap instance that must
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* be deleted by the caller when it is no long needed.
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*/
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NXWidgets::IBitmap *getIcon(void);
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/**
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* Get the name string associated with the application
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*
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* @return A copy if CNxString that contains the name of the application.
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*/
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NXWidgets::CNxString getName(void);
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public:
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/**
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* CNxTermFactory Constructor
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*
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* @param twm4nx. The twm4nx instance used to terminate calibration
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*/
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CNxTermFactory(CTaskbar *twm4nx);
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/**
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* CNxTermFactory Destructor
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*/
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inline ~CNxTermFactory(void) { }
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/**
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* CNxTermFactory Initializer. Performs parts of the instance
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* construction that may fail
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*
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* @param twm4nx. The twm4nx instance used to terminate the console
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*/
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bool CNxTermFactory::initialize(void);
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/**
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* Create a new instance of an CNxTerm (as IApplication).
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*/
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IApplication *create(void);
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/**
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* Get the icon associated with the application
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*
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* @return An instance if IBitmap that may be used to rend the
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* application's icon. This is an new IBitmap instance that must
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* be deleted by the caller when it is no long needed.
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*/
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NXWidgets::IBitmap *getIcon(void);
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};
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}
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#endif // __APPS_INCLUDE_GRAPHICS_TWM4NX_CNXTERM_HXX
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