lcdMenu.cpp

/*----------------------------------------------------------------------------
/ “THE COFFEEWARE LICENSE” (Revision 1):
/ <ihsan@kehribar.me> wrote this file. As long as you retain this notice you
/ can do whatever you want with this stuff. If we meet some day, and you think
/ this stuff is worth it, you can buy me a coffee in return.
/----------------------------------------------------------------------------*/
#include "lcdMenu.h"
#include "arduino.h"
#include "config.h"
/*---------------------------------------------------------------------------*/
void lcdMenu_goBack(struct menustate* ms)
{
  if(ms->currentMenu->parent != NULL)
  {
    ms->currentMenu = ms->currentMenu->parent;    
    ms->top = ms->last_top;
    ms->currentItem = ms->last_currentItem; 
    if  ( ms->level > 0 ) {
      ms->level-- ;
    } 
    ms->top = ms->last_top_a[ms->level];
    ms->currentItem = ms->last_currentItem_a[ms->level];
  }
}
/*----------------------------------------------- ----------------------------*/
void lcdMenu_select(struct menustate* ms)
{
  if(ms->currentMenu->menuArray[ms->currentItem]->child != NULL)
  {
    ms->currentMenu = ms->currentMenu->menuArray[ms->currentItem]->child;
    ms->last_top = ms->top;
    ms->last_top_a[ms->level] = ms->top;
    ms->last_currentItem = ms->currentItem;
    ms->last_currentItem_a[ms->level] = ms->currentItem;
    if ( ms->level < ( MAX_LEVELS - 1)) {
      ms->level++ ;
    }
    ms->top = 0;
    ms->currentItem = 0;
     
    
  }
  else if(ms->currentMenu->menuArray[ms->currentItem]->handlerFunc != NULL)
  {
    lcdMenu_callFunction(ms->currentMenu->menuArray[ms->currentItem]->handlerFunc);
  }
}
/*---------------------------------------------------------------------------*/
void lcdMenu_goDown(struct menustate* ms)
{
#ifdef DEBUG_TO_PC_MENU  
  Serial.print("menu goDown");
#endif  
  if(ms->top != ms->currentMenu->length)
  {
    if(ms->currentItem != (ms->currentMenu->length-1))
    {
#ifdef DEBUG_TO_PC_MENU      
      Serial.print("increase currentItem");
#endif      
      ms->currentItem += 1;
      if(((ms->currentItem)-(ms->top))==ms->max_menu_rows)
      {
#ifdef DEBUG_TO_PC_MENU
        Serial.print("increase ms Top");
#endif        
        ms->top += 1;
      }
    }
  } 
}
/*---------------------------------------------------------------------------*/
void lcdMenu_goUp(struct menustate* ms)
{
#ifdef DEBUG_TO_PC_MENU    
  Serial.print("menu goUP");
#endif  
  if(!((ms->top==0)&(ms->currentItem==0)))
  {
    ms->currentItem = ms->currentItem - 1;
    if((ms->top > ms->currentItem))
    {
      ms->top = ms->top -1;
    }
  } 
}
/*---------------------------------------------------------------------------*/
void lcdMenu_drawMenu(struct menustate* ms)
{
  uint8_t i;

  lcdMenu_clearScreen();
  
  for (i = ms->top; i < ms->top+ms->max_menu_rows ; ++i)
  {
    if(i<ms->currentMenu->length)
    {
      if (ms->currentItem==i)
      {
        lcdMenu_printSpecial(ms->currentMenu->menuArray[i]->name);
        lcdMenu_goNextLine();
      }
      else
      {
        lcdMenu_printNormal(ms->currentMenu->menuArray[i]->name);
        lcdMenu_goNextLine();
      }
    }
    else
    {
      lcdMenu_goNextLine();
    }
  } 
}
/*---------------------------------------------------------------------------*/