Basic UI

conversations_screen.cpp

@@ -1,26 +1,149 @@
+#include <string.h>
+
+#include <menu.h>
+#include <curses.h>
+
 #include <iostream>
+#include <vector>
 
 #include "helpers/userhelper.h"
 #include "conversations_screen.h"
 #include "helpers/conversationshelper.h"
 #include "entities/conversation.h"
 #include "entities/conversationslist.h"
-
+#include "ui_utils.h"
 
 using namespace std;
 
+// Show the screen to choose a conversation
+static void ChooseConv(ConversationsList &list, const UsersList &users, Conversation **choice) {
+
+    ITEM **my_items;
+    int c;
+    MENU *my_menu;
+    WINDOW *my_menu_win;
+    int n_choices;
+
+    /* Initialize curses */
+    initscr();
+    start_color();
+    cbreak();
+    noecho();
+    keypad(stdscr, TRUE);
+    init_pair(1, COLOR_RED, COLOR_BLACK);
+    init_pair(2, COLOR_CYAN, COLOR_BLACK);
+
+
+    erase();
+
+    /* Create the window to be associated with the menu */
+    /* We must do this before creating the menu to get maximum
+     * size of menu entries names */
+    int w,h;
+    getmaxyx(stdscr, w, h);
+    int numlines = w - 20, numcols = h-20;
+    my_menu_win = newwin(numlines, numcols, (w-numlines)/2, (h-numcols)/2);
+    keypad(my_menu_win, TRUE);
+
+
+    /* Create items */
+    vector<string> itemsStr;
+    int numItems = 0;
+    n_choices = static_cast<int>(list.size()) + 2;
+    my_items = static_cast<ITEM **>(calloc(static_cast<size_t>(n_choices), sizeof(ITEM *)));
+
+    // Go back
+    my_items[0] = new_item("Go back", "Go back");
+
+    // Conversations
+    for(size_t i = 0; i < list.size(); ++i) {
+        itemsStr.push_back(list[i].name(users));
+        my_items[i+1] = new_item("yo", "d");
+    }
+
+    my_items[n_choices-1] = new_item(nullptr, nullptr);
+
+    /* Create menu */
+    my_menu = new_menu(static_cast<ITEM **>(my_items));
+
+
+    /* Set main window and sub window */
+    set_menu_win(my_menu, my_menu_win);
+    set_menu_sub(my_menu, derwin(my_menu_win, numlines-4, numcols-2, 3, 1));
+    set_menu_format(my_menu, numlines-4, 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, numcols, "Conversations", COLOR_PAIR(1));
+    mvwaddch(my_menu_win, 2, 0, ACS_LTEE);
+    mvwhline(my_menu_win, 2, 1, ACS_HLINE, numcols-2);
+    mvwaddch(my_menu_win, 2, numcols-1, 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(int i = 0; i < n_choices; ++i)
+            free_item(my_items[i]);
+    endwin();
+
+}
+
 
 void showConversationsScreen()
 {
 
+    bool stop = false;
+
+    while(!stop) {
+
+        // Get information from an online source
         auto list = ConversationsHelper::GetList();
         auto users = UserHelper::getMultiple(list.usersList());
 
-    for(auto c : list)
-        cout << "Conv: " << c.name(users) << endl;
+        // Get the conversation to show
+        Conversation *c = nullptr;
+        ChooseConv(list, users, &c);
 
-
-    cout << "done" << endl;
-    string s;
-    cin >> s;
+        if(c == nullptr) {
+            stop = true;
+            break;
+        }
+    }
 }

mainmenu.cpp

@@ -11,6 +11,7 @@
 #include "loginscreen.h"
 #include "mainmenu.h"
 #include "conversations_screen.h"
+#include "ui_utils.h"
 
 using namespace std;
 
@@ -24,7 +25,6 @@ static char *choices[] = {
     "Quit",
     nullptr
 };
-void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);
 
 void showMainMenu()
 {
@@ -138,26 +138,3 @@ while(true) {
 
 }
 }
-
-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();
-}

ui_utils.cpp

@@ -1,3 +1,5 @@
+#include <string.h>
+
 #include <ui_utils.h>
 
 #include <string>
@@ -44,3 +46,27 @@ void ui_utils::alert(WINDOW *win, const string &msg)
     erase();
     refresh();
 }
+
+
+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();
+}

ui_utils.h

@@ -14,3 +14,5 @@ namespace ui_utils {
     void alert(WINDOW *win, const std::string &msg);
     void print_base_screen(WINDOW *w);
 }
+
+void print_in_middle(WINDOW *win, int starty, int startx, int width, char *string, chtype color);