C语言两级菜单（对于大内存可扩展N级菜单,构架很好，易于移植）V1.0

#include "menu.h" //菜单资源头文件 #include "menu_res.h" //外部显示库函数 #include "lcm.h" /* 名称:C语言两级菜单（对于大内存可扩展N级菜单）V1.0 作者:中国传惠 Transmart gongxd@126.com 单位:山东科技大学 时间:2009-3-4 编译环境: IDE-Version: uVision3 V3.33 Copyright (c) Keil Elektronik GmbH / Keil Software, Inc 2006 License Information: gongxd 微软用户 微软中国 LIC=BU373-A1HZU-EZJW0-DRWR6-C682M-E9HMS Tool Version Numbers: 工具链路径：C:\Keil\C51\BIN\ C Compiler: C51.Exe V8.05a Assembler: A51.Exe Linker/Locator: BL51.Exe V6.00 Librarian: LIB51.Exe V4.24 Hex Converter: OH51.Exe V2.6 CPU DLL: S8051.DLL V3.06 Dialog DLL: DP51.DLL V2.48b Target DLL: C:\KEIL\VW_C.DLL Dialog DLL: TP51.DLL V2.48b 使用说明: 1.向"menu_res.h"中添加菜单列表 2.向 "Menu_Function.h"中添加菜单响应函数声明 3.在"lcm.h"中替换自己的外部显示库函数,可以用类似的宏定义#define DisplayFunction(int,int) MyDisplayFunction(int,int) 其中"lcm.h"的X,Y坐标起始定义为0,0 (0,0)X------> Y | | \|/ */ //所有菜单板的个数 #define MenuAllCount sizeof(MenuPanel)/sizeof(MenuPanelStruct) Menu_Statestruct Menu_State;//菜单状态定义 //默认处理函数 void voidNull() { } void UpdatedisplayMenuPanel() { unsigned char i,DisplayLenCount; MenuItemStruct *p; p=MenuPanel[Menu_State.CurrentPanel].MenuPanelItem+Menu_State.ItemStartDisplay; DisplayLenCount=MenuPanel[Menu_State.CurrentPanel].MenuItemCount-Menu_State.ItemStartDisplay ; if (DisplayLenCount>ScreenHLine) { DisplayLenCount=ScreenHLine; } LCD_disp_CLS(); //for(i=0;i<ScreenHLine;i++) for (i=0;i<DisplayLenCount;i++) { LCD_disp_printR(p->MenuTxt,1,i); p++; } LCD_setpos(0,Menu_State.FocusLine); LCD_disp_Putchar('>'); //[Menu_State.ItemStartDisplay])->MenuTxt,0,0); // LCD_disp_printR((MenuPanel[Menu_State.CurrentPanel].MenuPanelItem)->MenuTxt,0,0); } void UpdateMenuPanelkey(unsigned char MenuKeyCode) { unsigned char i; //MenuItemStruct *p; if (MenuKeyCode==MenuKey_Null) { return; } switch (MenuKeyCode) { case MenuKey_Up: if (Menu_State.FocusLine>0) { Menu_State.FocusLine--; //焦点在屏上是第几项 } else { if (Menu_State.ItemStartDisplay>0) { Menu_State.ItemStartDisplay--; } else { Menu_State.ItemStartDisplay=MenuPanel[Menu_State.CurrentPanel].MenuItemCount-1; } } break; case MenuKey_Down: if ((Menu_State.ItemStartDisplay+Menu_State.FocusLine)<MenuPanel[Menu_State.CurrentPanel].MenuItemCount-1) { if (Menu_State.FocusLine<ScreenHLine-1 ) { Menu_State.FocusLine++; //焦点在屏上是第几项 } else { Menu_State.ItemStartDisplay++; //显示第一项对应的菜单条目索引 } } else { Menu_State.FocusLine=0; Menu_State.ItemStartDisplay=0; } break; case MenuKey_Ok: i=Menu_State.FocusLine+Menu_State.ItemStartDisplay; if ((MenuPanel[Menu_State.CurrentPanel].MenuPanelItem+i)->MenuChildID==MenuNoChild) { (*((MenuPanel[Menu_State.CurrentPanel].MenuPanelItem+i)->CurrentOperate))(); } else { Menu_State.FatherPanel=Menu_State.CurrentPanel;//本级菜单的菜单索引号 Menu_State.CurrentPanel=(MenuPanel[Menu_State.CurrentPanel].MenuPanelItem+i)->MenuChildID;//父菜单的菜单索引号 Menu_State.ItemStartDisplay=0; //显示第一项对应的菜单条目索引 Menu_State.FocusLine=0; //焦点在屏上是第几项 }; break; case MenuKey_Cancel: Menu_State.CurrentPanel=Menu_State.FatherPanel;//本级菜单的菜单索引号 break; } UpdatedisplayMenuPanel();//更新菜单 } void init_Menu() { Menu_State.CurrentPanel=0;//本级菜单的菜单索引号 Menu_State.FatherPanel=0;//父菜单的菜单索引号 Menu_State.ItemStartDisplay=0; //显示第一项对应的菜单条目索引 Menu_State.FocusLine=0; //焦点在屏上是第几项 UpdatedisplayMenuPanel();//更新菜单 }