c1bb142e18
apps/graphics/tmw4nx and apps/graphics/slcd: This seems the last of the show stopper bugs. All seems functional.
apps/graphics/slcd: Correct some errors found in early texting. Now the Twm4Nx::CClock window comes up, but there are problems with the way that the segments are being displayed.
apps/graphicx/twm4nx: CClock is complete and compiles correctly. Crashes with a hardware when the clock is selected from the Main Menu, however.
292 lines
8.0 KiB
C++
292 lines
8.0 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// apps/include/graphics/twm4nx/apps/cclock.hxx
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// Retro LCD Clock
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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_APPS_CCLOCK_HXX
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#define __APPS_INCLUDE_GRAPHICS_TWM4NX_APPS_CCLOCK_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 "graphics/twm4nx/ctwm4nx.hxx"
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#include "graphics/twm4nx/ctwm4nxevent.hxx"
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#include "graphics/twm4nx/twm4nx_events.hxx"
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#include "graphics/twm4nx/iapplication.hxx"
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/////////////////////////////////////////////////////////////////////////////
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// Pre-processor Definitions
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/////////////////////////////////////////////////////////////////////////////
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// CClock application events
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// Window Events
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#define EVENT_CLOCK_REDRAW (EVENT_RECIPIENT_APP | 0x0000) /* Not necessary */
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#define EVENT_CLOCK_RESIZE EVENT_SYSTEM_NOP
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#define EVENT_CLOCK_XYINPUT EVENT_SYSTEM_NOP
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#define EVENT_CLOCK_KBDINPUT EVENT_SYSTEM_NOP
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#define EVENT_CLOCK_DELETE EVENT_WINDOW_DELETE
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// Button Events
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#define EVENT_CLOCK_CLOSE (EVENT_RECIPIENT_APP | 0x0001)
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// Menu Events
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#define EVENT_CLOCK_START (EVENT_RECIPIENT_APP | 0x0002)
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// Number of digits in clock display
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#define CLOCK_NDIGITS 4
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/////////////////////////////////////////////////////////////////////////////
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// Implementation Classes
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/////////////////////////////////////////////////////////////////////////////
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namespace SLcd
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{
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class CSLcd; // Forward reference
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}
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namespace Twm4Nx
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{
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/**
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* This structure describes the state of one clock digit
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*/
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struct SClockDigit
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{
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nxgl_coord_t xOffset; /**< X offset from left side of the window */
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uint8_t segments; /**< LCD segment code of number */
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};
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/**
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* This class implements the Clock application.
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*/
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class CClock : public CTwm4NxEvent
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{
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private:
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FAR CTwm4Nx *m_twm4nx; /**< Reference to the Twm4Nx session instance */
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FAR CWindow *m_window; /**< Reference to the Clock application window */
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FAR SLcd::CSLcd *m_slcd; /**< Reference to the segment LCD helper */
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pid_t m_pid; /**< Task ID of the Clock thread */
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// The current clock state, digit-by-digit:
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struct SClockDigit m_digits[CLOCK_NDIGITS];
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/**
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* This is the Clock task.
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*/
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static int clock(int argc, char *argv[]);
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/**
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* Handle Twm4Nx events. This overrides a method from CTwm4NXEvent
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*
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* @param eventmsg. The received NxWidget WINDOW event message.
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* @return True if the message was properly handled. false is
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* return on any failure.
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*/
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bool event(FAR struct SEventMsg *eventmsg);
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/**
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* Update the Clock.
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*/
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void update(void);
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/**
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* Redraw the entire clock.
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*/
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void redraw(void);
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/**
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* This is the close window event handler. It will stop the Clock
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* application thread.
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*/
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void stop(void);
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public:
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/**
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* CClock constructor
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*
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* @param twm4nx. The Twm4Nx session instance
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*/
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CClock(FAR CTwm4Nx *twm4nx);
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/**
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* CClock destructor
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*/
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~CClock(void);
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/**
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* CClock initializers. Perform miscellaneous post-construction
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* initialization that may fail (and hence is not appropriate to be
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* done in the constructor)
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*
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* @return True if the Clock application was successfully initialized.
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*/
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bool initialize(void);
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/**
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* Start the Clock.
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*
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* @return True if the Clock application was successfully started.
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*/
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bool run(void);
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};
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class CClockFactory : public IApplication,
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public IApplicationFactory,
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public CTwm4NxEvent
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{
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private:
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FAR CTwm4Nx *m_twm4nx; /**< Twm4Nx session instance */
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/**
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* Handle CClockFactory events. This overrides a method from
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* CTwm4NXEvent
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*
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* @param eventmsg. The received NxWidget WINDOW event message.
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* @return True if the message was properly handled. false is
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* return on any failure.
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*/
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bool event(FAR struct SEventMsg *eventmsg);
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/**
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* Create and start a new instance of an CClock.
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*/
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bool startFunction(void);
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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("Clock");
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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 custom event handler. We use the common event handler.
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*
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* @return. null is always returned in this implementation.
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*/
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inline FAR CTwm4NxEvent *getEventHandler(void)
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{
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return (FAR CTwm4NxEvent *)this;
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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_CLOCK_START;
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}
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public:
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/**
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* CClockFactory Constructor
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*
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* @param twm4nx. The Twm4Nx session instance
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*/
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inline CClockFactory(void)
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{
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m_twm4nx = (FAR CTwm4Nx *)0;
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}
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/**
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* CClockFactory Destructor
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*/
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inline ~CClockFactory(void)
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{
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// REVISIT: Would need to remove Main Menu item
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}
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/**
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* CClockFactory Initializer. Performs parts of the instance
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* construction that may fail. In this implemenation, it will
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* initialize the NSH library and register an menu item in the
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* Main Menu.
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*/
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bool initialize(FAR CTwm4Nx *twm4nx);
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};
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}
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#endif // __APPS_INCLUDE_GRAPHICS_TWM4NX_APPS_CCLOCK_HXX
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