ncurses test

#include <stdio.h>
#include <stdlib.h> 
#include <ncurses.h>
#define NofEL(x )   (sizeof(x ) / sizeof(*(x ) ) )
#define _ARR(a )    (a ), NofEL(a )
#define _CLEAR(w )  werase(w ); wrefresh(w ) 
#define __POS(p )  p.h, p.w, p.y, p.x
typedef struct Pos{ int h, w, y, x; }structPos;
void printMenu  (WINDOW * winCur, int hl, const char *tm[], int n );
void printInsert(WINDOW * winCur, char *str, const char *type );
const char *textMenu[]  ={"1. Insert", "2. Search", "3. Remove", "4. Lists", "5. Help", "6. Quit" };

int main(void) { initscr(); clear(); noecho(); cbreak(); curs_set(FALSE); nodelay(stdscr, true); scrollok(stdscr, true);
    char *tempBuff = (char* )malloc(sizeof(char )*512 );
    int terHeight, terWidth, highlight=1, elemSize=NofEL(textMenu);
    getmaxyx(stdscr, terHeight, terWidth );

    structPos mPos  = {terHeight/2, terWidth/2, terHeight/4, terWidth/4 };
    structPos lPos  = {terHeight/2, terWidth/2, terHeight/4, 0          };
    structPos rPos  = {terHeight/2, terWidth/2, terHeight/4, terWidth/2 };
    structPos uPos  = {terHeight/2, terWidth/2, 0          , terWidth/4 };
    structPos dPos  = {terHeight/2, terWidth/2, terHeight/2, terWidth/4 };
    structPos fPos  = {terHeight/1, terWidth/1, 0          , 0          };
    structPos luPos = {terHeight/2, terWidth/2, 0          , 0          };
    structPos ruPos = {terHeight/2, terWidth/2, 0          , terWidth/2 };
    structPos ldPos = {terHeight/2, terWidth/2, terHeight/2, 0          };
    structPos rdPos = {terHeight/2, terWidth/2, terHeight/2, terWidth/2 };

    WINDOW *winMenu   = newwin(__POS(mPos ) ); keypad(winMenu  , TRUE );
    WINDOW *winInsert = newwin(__POS(luPos) ); keypad(winInsert, TRUE );
    WINDOW *winSearch = newwin(__POS(ruPos) ); keypad(winSearch, TRUE );
    WINDOW *winRemove = newwin(__POS(ldPos) ); keypad(winRemove, TRUE );
    WINDOW *winLists  = newwin(__POS(rdPos) ); keypad(winLists , TRUE );
    WINDOW *winHelp   = newwin(__POS(fPos ) ); keypad(winHelp  , TRUE );

    while(TRUE) {
        wrefresh(winMenu); printMenu(winMenu, highlight, _ARR(textMenu ) );
        int cho = wgetch(winMenu);
        switch(cho) {
            case 'k': case KEY_UP:   if(highlight == 1) highlight = elemSize; else --highlight; break;
            case 'j': case KEY_DOWN: if(highlight == elemSize ) highlight = 1; else ++highlight; break;
            case '\n':
                if     (highlight == 1 ) { _CLEAR(winMenu ); printInsert(winInsert, tempBuff, "insert" ); } /* if 1 */
                else if(highlight == 2 ) { _CLEAR(winMenu ); printInsert(winSearch, tempBuff, "search" ); } /* else if 2*/
                else if(highlight == 3 ) { _CLEAR(winMenu ); printInsert(winRemove, tempBuff, "remove" ); } /* else if 3*/
                else if(highlight == 4 ) { _CLEAR(winMenu ); printInsert(winLists , tempBuff, "lists" ); } /* else if 4*/
                else if(highlight == 5 ) { _CLEAR(winMenu ); printInsert(winHelp  , tempBuff, "help"  ); } /* else if 5*/
                else if(highlight == 6 ) { goto end; } /* else if 6*/
            default: refresh( ); } /* switch */ } /* while */ 
end: clrtoeol(); refresh(); endwin(); return 0; } /* main */

void printMenu(WINDOW *winCur, int hl, const char *tm[], int n ) { box(winCur, 0, 0); wrefresh(winCur );
    for(int i=0,y=2,x=2; i<n; i++, y++) {
        if(hl == i + 1) { wattron(winCur, A_REVERSE); mvwprintw(winCur, y, x, "%s", tm[i] ); wattroff(winCur, A_REVERSE); } /* if */
        else mvwprintw(winCur, y, x, "%s", tm[i] ); } /* for */
    wrefresh(winCur); return; } /* printMenu */

void printInsert(WINDOW *winCur, char *str, const char *type ) { box(winCur, 0, 0); wrefresh(winCur);
    int ch, i=0, y=2, x=2;
    mvwprintw(winCur, y++, x, "Enter Value for %s : ", type);
    while( (ch = wgetch(winCur ) ) != '\n' ) {
        switch (ch) {
            case 127: mvwprintw(winCur, y, --x, " \b" ); i--; break;
            default: str[i] = ch; mvwprintw(winCur, y, x++, "%c", str[i]); i++;   } /* switch */
        if(i < 0 ) i = 0; } /* while */
    str[i]='\0';
    if(str[0] != '\0') { mvwprintw(winCur, y+1, 2, "Inserted %s", str);
        /* root = insertNode(root, str, key, strCmp); */
        while( (ch = wgetch(winCur ) ) != '\n') {; } } /* if */
    werase(winCur ); wrefresh(winCur ); } /* printInsert */