原创 C语言菜单设计

 return result;
}
/*
for(line=ViewMenu->StartLine;((ViewMenu->IndexMenuID[line-1]!='\0')&& (line-ViewMenu->StartLine+1<=LCD_CH_LINE));line++)
 {
  if(ViewMenu->FocusLine==line)
   Print_flash_str(LCD_MENU_START, line-ViewMenu->StartLine+1, (unsigned char *)KeyTab[ViewMenu->IndexMenuID[line-1]-1].MenuName,0);
  else
   Print_flash_str(LCD_MENU_START, line-ViewMenu->StartLine+1, (unsigned char *)KeyTab[ViewMenu->IndexMenuID[line-1]-1].MenuName,1);
 }
*/
//显示当前菜单
void PrintViewMenuWindow(view_menu *ViewMenu)
{
 unsigned char line;
 print_blank();
 for(line=ViewMenu->StartLine;((ViewMenu->IndexMenuID[line-1]!='\0')&& ((line-ViewMenu->StartLine)+1<=LCD_CH_LINE));line++)
 //for(line=0;((ViewMenu->IndexMenuID[ViewMenu->StartLine+line-1]!='\0')&&(line {
  if((ViewMenu->FocusLine-1)==(line-ViewMenu->StartLine))
   Print_flash_str(LCD_MENU_START, (line-ViewMenu->StartLine)*2, (unsigned char *)pgm_read_word(&KeyTab[ViewMenu->IndexMenuID[line-1]-

1].MenuName),0);
  else
   Print_flash_str(LCD_MENU_START, (line-ViewMenu->StartLine)*2, (unsigned char *)pgm_read_word(&KeyTab[ViewMenu->IndexMenuID[line-1]-

1].MenuName),1);
 }  
}
//菜单主函数基于AVRX操作系统
void menu_ex(void)
{
 //pdataMessage pMsg;
 KeyTabStruct tempkeytab;
 viewmenu.FocusMenuId=MENU_AUTOMIMA;
 viewmenu.StartLine=1;
 viewmenu.FocusLine=1;
 SetViewMenu(viewmenu.FocusMenuId-1, &viewmenu); 
 menufreetime=0;
 while(1)
 {
  //SetViewMenu(viewmenu.FocusMenuId-1, &viewmenu);
  PrintViewMenuWindow(&viewmenu);
  AvrXStartTimerMessage(&freetimer, 6000, &MyQueue);//进入
   pMsg = (pdataMessage)AvrXWaitMessage(&MyQueue);
   if(pMsg==&keymessage)
   {
     AvrXAckMessage(&pMsg->mcb);
    if(AvrXCancelTimerMessage(&freetimer, &MyQueue) != &freetimer.u.mcb)
     AvrXHalt();
    switch(*((uchar *)pMsg->data))
    {
     case KEYUP:
      if(viewmenu.FocusLine==1)
      {
       if(viewmenu.StartLine>1)
        viewmenu.StartLine--;
       else
       {
        if(strlen(viewmenu.IndexMenuID)<=LCD_CH_LINE)
        {
         viewmenu.FocusLine=strlen(viewmenu.IndexMenuID);
         viewmenu.StartLine=1;
        }
        else
        {
         viewmenu.FocusLine=LCD_CH_LINE ;
         viewmenu.StartLine=strlen(viewmenu.IndexMenuID)-LCD_CH_LINE+1;
        }
       }        
      }
      else
      {
       viewmenu.FocusLine--;
      } 
      //PrintViewMenuWindow(&viewmenu);
      break;
     case KEYDOWN://KEYDOWN:
      if(viewmenu.FocusLine      {
       if((viewmenu.StartLine+viewmenu.FocusLine)       {
        viewmenu.FocusLine++;
        //PrintViewMenuWindow(&viewmenu);
       }
       else
       {
        if(strlen(viewmenu.IndexMenuID)==2)
         viewmenu.FocusLine++;
        else
        {
         viewmenu.StartLine=1;
         viewmenu.FocusLine=1;
        }
       }
      }
      else
      {
       viewmenu.FocusLine=LCD_CH_LINE; 
       if((viewmenu.StartLine+viewmenu.FocusLine)<=strlen(viewmenu.IndexMenuID))
       {
        viewmenu.StartLine++;
       }
       else
       {
        viewmenu.FocusLine=1;
        viewmenu.StartLine=1;      
       }
      }
      //PrintViewMenuWindow(&viewmenu);
      break;
      
     case KEYOK:
      memcpy_P((uchar *)&tempkeytab,(uchar *)&KeyTab[viewmenu.IndexMenuID[viewmenu.StartLine+viewmenu.FocusLine-2]

-1],sizeof(KeyTabStruct));
      if(tempkeytab.CurrentOperate!=NULL)
      {
       
       tempkeytab.CurrentOperate();
       if(menufreetime>MENUFREETIME)
        {
         return ;
        }
      }
      else
      {
       if(tempkeytab.MenuID==MENU_SYSTEMMIMA)
       {
        if(!check_mima(SYSTEMMIMA))
         break;
        
       }
       if(viewmenu.FocusMenuId       {
        if(pgm_read_byte((uchar *)&KeyTab[viewmenu.IndexMenuID[viewmenu.StartLine+viewmenu.FocusLine

-2]].ParMenuID)
        ==pgm_read_byte((uchar *)&KeyTab[viewmenu.IndexMenuID[viewmenu.StartLine+viewmenu.FocusLine-

2]-1].MenuID))
        {
         viewmenu.FocusMenuId=pgm_read_byte((uchar *)&KeyTab[viewmenu.IndexMenuID

[viewmenu.StartLine+viewmenu.FocusLine-2]].MenuID);
         viewmenu.StartLine=1;
         viewmenu.FocusLine=1;
         SetViewMenu(viewmenu.FocusMenuId-1, &viewmenu);
        }
       }     
      }
      //PrintViewMenuWindow(&viewmenu);
      break;
     case KEYCONSEL://KEYCONSEL:
      memcpy_P((uchar *)&tempkeytab,(uchar *)&KeyTab[viewmenu.IndexMenuID[viewmenu.StartLine+viewmenu.FocusLine-2]

-1],sizeof(KeyTabStruct));
      if(tempkeytab.ParMenuID==0)
       return;
      viewmenu.FocusMenuId=tempkeytab.ParMenuID;
      viewmenu.StartLine=1;
      viewmenu.FocusLine=1;
      SetViewMenu(viewmenu.FocusMenuId-1, &viewmenu);
      //PrintViewMenuWindow(&viewmenu);
     default:
      break;
    }
    menufreetime=0; 
    
   }
   else if(pMsg==&plcmessage)
   {
    //PLC发送的信息
    AvrXAckMessage(&pMsg->mcb);
   if(AvrXCancelTimerMessage(&freetimer, &MyQueue) != &freetimer.u.mcb)
    AvrXHalt();
   }
   else if(pMsg==&mfacemessage)
   {
    //读卡器发送的信息
    AvrXAckMessage(&pMsg->mcb);
    if(AvrXCancelTimerMessage(&freetimer, &MyQueue) != &freetimer.u.mcb)
    AvrXHalt();
   }
   else if((pTimerMessageBlock)pMsg == &freetimer)
   {
    //睡眠时间到，进入跑马灯显示状态
    if(++menufreetime>MENUFREETIME)
    {
     return ;
    }
   }
   else
         {
              AvrXHalt();
         }
 }
}