Show basic menu

ComunicTerm.pro

@@ -3,7 +3,7 @@ CONFIG += console c++11
 CONFIG -= app_bundle
 CONFIG -= qt
 
-LIBS += -lboost_system -lcrypto -lssl -lcpprest -lncurses
+LIBS += -lboost_system -lcrypto -lssl -lcpprest -lncurses -lmenu
 
 SOURCES += \
         main.cpp \
@@ -13,7 +13,8 @@ SOURCES += \
     ui_utils.cpp \
     helpers/accounthelper.cpp \
     helpers/userhelper.cpp \
-    entities/user.cpp
+    entities/user.cpp \
+    mainmenu.cpp
 
 HEADERS += \
     config.h \
@@ -23,4 +24,5 @@ HEADERS += \
     ui_utils.h \
     helpers/accounthelper.h \
     helpers/userhelper.h \
-    entities/user.h
+    entities/user.h \
+    mainmenu.h

loginscreen.cpp

@@ -9,6 +9,7 @@
 
 #include "loginscreen.h"
 #include "ui_utils.h"
+#include "mainmenu.h"
 
 using namespace std;
 
@@ -69,6 +70,9 @@ bool LoginScreen::exec(bool startApp)
 
     endwin();			/* End curses mode		  */
 
+    if(startApp)
+        showMainMenu();
+
     return true;
 }
 

main.cpp

@@ -4,6 +4,7 @@
 
 #include "api_request.h"
 #include "loginscreen.h"
+#include "mainmenu.h"
 
 using namespace std;
 
@@ -51,6 +52,7 @@ int main(int argc, char **argv)
             }
 
             // Start directly main main menu
+            showMainMenu();
 
             return 0;
         }

mainmenu.cpp

@@ -0,0 +1,134 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include <menu.h>
+#include <curses.h>
+
+#include <iostream>
+
+#include "mainmenu.h"
+
+using namespace std;
+
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+#define CTRLD 	4
+
+static char *choices[] = {
+    "Logout",
+    "Quit"
+};
+void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);
+
+void showMainMenu()
+{	ITEM **my_items;
+    int c;
+    MENU *my_menu;
+        WINDOW *my_menu_win;
+        int n_choices, i;
+
+    /* Initialize curses */
+    initscr();
+    start_color();
+    cbreak();
+    noecho();
+    keypad(stdscr, TRUE);
+    init_pair(1, COLOR_RED, COLOR_BLACK);
+    init_pair(2, COLOR_CYAN, COLOR_BLACK);
+
+    /* Create items */
+    n_choices = ARRAY_SIZE(choices);
+    my_items = static_cast<ITEM **>(calloc(static_cast<size_t>(n_choices), sizeof(ITEM *)));
+    for(i = 0; i < n_choices; ++i)
+            my_items[i] = new_item(choices[i], choices[i]);
+
+    /* Create menu */
+    my_menu = new_menu(static_cast<ITEM **>(my_items));
+
+    /* Create the window to be associated with the menu */
+    int w,h;
+    getmaxyx(stdscr, w, h);
+    my_menu_win = newwin(10, 40, (w-10)/2, (h-40)/2);
+    keypad(my_menu_win, TRUE);
+
+    /* Set main window and sub window */
+    set_menu_win(my_menu, my_menu_win);
+    set_menu_sub(my_menu, derwin(my_menu_win, 6, 38, 3, 1));
+    set_menu_format(my_menu, 5, 1);
+
+    /* Set menu mark to the string " * " */
+    set_menu_mark(my_menu, " * ");
+
+    /* Print a border around the main window and print a title */
+    box(my_menu_win, 0, 0);
+    print_in_middle(my_menu_win, 1, 0, 40, "ComunicTerm", COLOR_PAIR(1));
+    mvwaddch(my_menu_win, 2, 0, ACS_LTEE);
+    mvwhline(my_menu_win, 2, 1, ACS_HLINE, 38);
+    mvwaddch(my_menu_win, 2, 39, ACS_RTEE);
+
+    /* Post the menu */
+    post_menu(my_menu);
+    wrefresh(my_menu_win);
+
+    attron(COLOR_PAIR(2));
+    mvprintw(LINES - 2, 0, "");
+    mvprintw(LINES - 1, 0, "Arrow Keys to navigate");
+    attroff(COLOR_PAIR(2));
+    refresh();
+
+    int action = -1;
+    while(action == -1)
+    {
+        c = wgetch(my_menu_win);
+        switch(c)
+            {	case KEY_DOWN:
+                menu_driver(my_menu, REQ_DOWN_ITEM);
+                break;
+            case KEY_UP:
+                menu_driver(my_menu, REQ_UP_ITEM);
+                break;
+            case KEY_NPAGE:
+                menu_driver(my_menu, REQ_SCR_DPAGE);
+                break;
+            case KEY_PPAGE:
+                menu_driver(my_menu, REQ_SCR_UPAGE);
+                break;
+            case 10:
+                auto item = current_item(my_menu);
+                action = item->index;
+        }
+        wrefresh(my_menu_win);
+    }
+
+    /* Unpost and free all the memory taken up */
+    unpost_menu(my_menu);
+    free_menu(my_menu);
+    for(i = 0; i < n_choices; ++i)
+            free_item(my_items[i]);
+    endwin();
+
+    cout << action << endl;
+}
+
+void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color)
+{	int length, x, y;
+    float temp;
+
+    if(win == nullptr)
+        win = stdscr;
+    getyx(win, y, x);
+    if(startx != 0)
+        x = startx;
+    if(starty != 0)
+        y = starty;
+    if(width == 0)
+        width = 80;
+
+    length = static_cast<int>(strlen(string));
+    temp = (width - length)/ 2;
+    x = startx + static_cast<int>(temp);
+    wattron(win, color);
+    mvwprintw(win, y, x, "%s", string);
+    wattroff(win, color);
+    refresh();
+}

mainmenu.h

@@ -0,0 +1,6 @@
+#pragma once
+
+/**
+ * Show main menu
+ */
+void showMainMenu();