傻孩子LCD菜單結(jié)構(gòu)

菜單界面的實(shí)現(xiàn)方法

——讀GorgonMeducer傻孩子菜單引擎

1整理ppt菜單界面的實(shí)現(xiàn)方法建議在看下面內(nèi)容之前復(fù)習(xí)一下C語(yǔ)言的如下內(nèi)容1、結(jié)構(gòu)體2、指向函數(shù)的指針3、結(jié)構(gòu)體鏈表4、傻孩子的菜單引擎2整理ppt菜單結(jié)構(gòu)體代碼structMenuItem{shortMenuCount;char*DisplayString;void(*Subs)();structMenuItem*ChildrenMenus;structMenuItem*ParentMenus;}Null;

shortMenuCountchar*DisplayString;void(*Subs)();structMenuItem*ChildrenMenus;structMenuItem*ParentMenus;structMenuItem菜單界面的實(shí)現(xiàn)方法菜單結(jié)構(gòu)體3整理ppt當(dāng)前層節(jié)點(diǎn)數(shù)，即每層菜單最多能顯示的條目數(shù)目的：1、在菜單讀取前先讀取這個(gè)菜單總共擁有的工程數(shù)，防止越界。在菜單讀取過(guò)程中將會(huì)有一個(gè)計(jì)數(shù)變量存儲(chǔ)菜單移動(dòng)。所以需要這個(gè)變量來(lái)確定移動(dòng)的上界；2、可以方便的實(shí)現(xiàn)菜單的滾動(dòng)。例如：“文件〞菜單依次下有：“翻開(kāi)〞、“保存〞、“打印〞、“退出〞這4個(gè)子項(xiàng)，如果計(jì)數(shù)存儲(chǔ)到達(dá)上界“退出〞即〔MenuCount==4〕時(shí)再繼續(xù)向下一級(jí)翻頁(yè)那么會(huì)回到“翻開(kāi)〞。shortMenuCountchar*DisplayString;void(*Subs)();structMenuItem*ChildrenMenus;structMenuItem*ParentMenus;structMenuItem菜單界面的實(shí)現(xiàn)方法菜單結(jié)構(gòu)體4整理ppt指向菜單標(biāo)題字符串的指針目的： 指向菜單標(biāo)題的字符串，指向中選中該級(jí)菜單后所要顯示的字符串。shortMenuCountchar*DisplayString;void(*Subs)();structMenuItem*ChildrenMenus;structMenuItem*ParentMenus;structMenuItem菜單界面的實(shí)現(xiàn)方法菜單結(jié)構(gòu)體5整理ppt指向當(dāng)前狀態(tài)應(yīng)該執(zhí)行功能函數(shù)的指針目的：說(shuō)明如果選中該級(jí)菜單應(yīng)當(dāng)執(zhí)行什么程序，這個(gè)指針指向該項(xiàng)所要實(shí)現(xiàn)功能的函數(shù)。例如：菜單項(xiàng)為“播放〞，那么該函數(shù)指向Play〔〕；shortMenuCountchar*DisplayString;void(*Subs)();structMenuItem*ChildrenMenus;structMenuItem*ParentMenus;structMenuItem菜單界面的實(shí)現(xiàn)方法菜單結(jié)構(gòu)體6整理ppt指向當(dāng)前菜單的下級(jí)菜單目的：指向結(jié)構(gòu)體指針，用于存儲(chǔ)下一級(jí)菜單，在后面的鏈表中詳細(xì)說(shuō)明。shortMenuCountchar*DisplayString;void(*Subs)();structMenuItem*ChildrenMenus;structMenuItem*ParentMenus;structMenuItem菜單界面的實(shí)現(xiàn)方法菜單結(jié)構(gòu)體7整理ppt指向當(dāng)前菜單的上級(jí)菜單目的：指向結(jié)構(gòu)體指針，用于存儲(chǔ)上一級(jí)菜單，在后面的鏈表中詳細(xì)說(shuō)明。shortMenuCountchar*DisplayString;void(*Subs)();structMenuItem*ChildrenMenus;structMenuItem*ParentMenus;structMenuItem菜單界面的實(shí)現(xiàn)方法菜單結(jié)構(gòu)體8整理ppt菜單界面的實(shí)現(xiàn)方法下面以以下圖所示菜單結(jié)構(gòu)實(shí)現(xiàn)為例分析結(jié)構(gòu)體的實(shí)際運(yùn)用：TimeSetVoiceCenterRobotControlFlashOptionTimeSetDataSetAlertSetBackVoiceRecordPlayPauseVoiceDeleteBackTurnLeftTurnRightGoAheadGoBackBackFlashRecordPlayPauseFlashDeleteBack菜單結(jié)構(gòu)體9整理ppt菜單界面的實(shí)現(xiàn)方法首先看一下代碼例如：voidRobotMenuInit(void){RobotMenu[0].MenuCount=5;RobotMenu[0].DisplayString="TurnLeft";RobotMenu[0].Subs=RobotTurnLeft;RobotMenu[0].ChildrenMenus=&Null;RobotMenu[0].ParentMenus=MainMenu;…}

RobotMenu菜單有5個(gè)子項(xiàng)菜單結(jié)構(gòu)體10整理ppt菜單界面的實(shí)現(xiàn)方法首先看一下代碼例如：voidRobotMenuInit(void){RobotMenu[0].MenuCount=5;RobotMenu[0].DisplayString="TurnLeft";RobotMenu[0].Subs=RobotTurnLeft;RobotMenu[0].ChildrenMenus=&Null;RobotMenu[0].ParentMenus=MainMenu;…}

RobotMenu菜單的第一個(gè)子項(xiàng)〔用一個(gè)菜單結(jié)構(gòu)體實(shí)現(xiàn)的RobotMenu數(shù)組〕標(biāo)題為“TurnLeft〞菜單結(jié)構(gòu)體11整理ppt菜單界面的實(shí)現(xiàn)方法首先看一下代碼例如：voidRobotMenuInit(void){RobotMenu[0].MenuCount=5;RobotMenu[0].DisplayString="TurnLeft";RobotMenu[0].Subs=RobotTurnLeft;RobotMenu[0].ChildrenMenus=&Null;RobotMenu[0].ParentMenus=MainMenu;…}

RobotMenu菜單一個(gè)子項(xiàng)“TurnLeft〞實(shí)現(xiàn)的功能函數(shù)為RobotTurnLeft〔〕；用執(zhí)行函數(shù)指針指向這個(gè)函數(shù)。菜單結(jié)構(gòu)體12整理ppt菜單界面的實(shí)現(xiàn)方法首先看一下代碼例如：voidRobotMenuInit(void){RobotMenu[0].MenuCount=5;RobotMenu[0].DisplayString="TurnLeft";RobotMenu[0].Subs=RobotTurnLeft;RobotMenu[0].ChildrenMenus=&Null;RobotMenu[0].ParentMenus=MainMenu;…}

RobotMenu菜單一個(gè)子項(xiàng)“TurnLeft〞沒(méi)有子菜單，所以指向一個(gè)空的操作。菜單結(jié)構(gòu)體13整理ppt菜單界面的實(shí)現(xiàn)方法首先看一下代碼例如：voidRobotMenuInit(void){RobotMenu[0].MenuCount=5;RobotMenu[0].DisplayString="TurnLeft";RobotMenu[0].Subs=RobotTurnLeft;RobotMenu[0].ChildrenMenus=&Null;RobotMenu[0].ParentMenus=MainMenu;…}

RobotMenu菜單一個(gè)子項(xiàng)“TurnLeft〞的上一級(jí)菜單為主菜單。菜單結(jié)構(gòu)體14整理ppt菜單界面的實(shí)現(xiàn)方法菜單結(jié)構(gòu)體鏈表MainMenu[0]4“TimeSet”NullSubsTimeMenu&NullMainMenu[1]4VoiceCenterNullSubsVoiceMenu&NullMainMenu[2]4RobotControlNullSubsRobotMenu&NullMainMenu[3]4FlashOptionNullSubsFlashMenu&NullTimeMenu[0]4TimeSetTimeset&NullMainMenuTimeMenu[1]4DataSetDataset&NullMainMenuTimeMenu[2]4AlertSetAlertset&NullMainMenuTimeMenu[3]4BackNullSubs&NullMainMenuVoidDateSet〔void