function for creating windows with borders and title

src/net/CMakeLists.txt

@@ -16,3 +16,4 @@ target_include_directories(netex PRIVATE ${CMAKE_SOURCE_DIR}/src/net/include)
 
 add_subdirectory(include)
 add_subdirectory(str)
+add_subdirectory(tui)

src/net/include/CMakeLists.txt

@@ -4,5 +4,6 @@ target_sources(netex PUBLIC
         "config.h"
         "net.h"
         "netex.h"
+        "nx_tui.h"
         "sockets.h"
         "strutil.h")

src/net/include/nx_tui.h

@@ -0,0 +1,18 @@
+#ifndef NX_TUI_H
+#define NX_TUI_H
+
+/// Color pairs
+
+#define DEF_COLOR_PAIR 1
+#define DEF_WIN_COLOR 2
+#define LOG_PREFIX_COLOR 3
+#define CHAT_PREFIX_COLOR 4
+
+
+int setup_curses(void);
+
+WINDOW* create_base_window_box(const char* title, const int nlines, const int ncols, const int begin_y, const int begin_x);
+
+void shutdown_curses(void);
+
+#endif //NX_TUI_H

src/net/netex.c

@@ -5,25 +5,24 @@
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <netdb.h>
+#include <signal.h>
 
 #include "netex.h"
 #include "config.h"
+#include "nx_tui.h"
 
 #define PORT_NUM_LENGHT 6
 
-// https://invisible-island.net/ncurses/
+void handle_exit(int c);
+void handle_term_resize(int c);
 
 void netex_init(void)
 {
-    // Curses
+    signal(SIGINT, handle_exit);
-    initscr();
+    signal(SIGWINCH, handle_term_resize);
-    noecho(); // Stop printing key presses
+
-    if (has_colors() && can_change_color())
+    setup_curses();
-    {
+
-        start_color();
-        PRINT_LINE("%i colors available, %i color pairs available.", COLORS, COLOR_PAIRS);
-        //TODO: Make color pairs
-    }
     // OpenSSL
     SSL_load_error_strings();
     SSL_library_init();
@@ -32,11 +31,10 @@ void netex_init(void)
 
 void netex_shutdown(void)
 {
+    shutdown_curses();
     // OpenSSL
     ERR_free_strings();
     EVP_cleanup();
-    // Curses
-    endwin();
 }
 
 int setup_socket(const int port, const char* hostname, const SOCKET_IPV_TYPE ipv_type)
@@ -193,4 +191,14 @@ void free_host_info(HOST_INFO* host_info)
     if (host_info->ip != NULL)
         free(host_info->ip);
     free(host_info);
+}
+
+void handle_exit(int c)
+{
+    netex_shutdown();
+    exit(OK);
+}
+void handle_term_resize(int c)
+{
+    //TODO: Set parameter for ncurses code to check if window is resized.
 }

src/net/tui/CMakeLists.txt

@@ -0,0 +1,2 @@
+target_sources(netex PRIVATE
+    "nx_curses.c")

src/net/tui/nx_curses.c

@@ -0,0 +1,33 @@
+#include "netex.h"
+#include "nx_tui.h"
+
+int setup_curses(void)
+{
+    initscr();
+    noecho(); // Stop printing key presses
+    if (has_colors() && can_change_color())
+    {
+        start_color();
+        PRINT_LINE("%i colors available, %i color pairs available.", COLORS, COLOR_PAIRS);
+
+        init_pair(DEF_COLOR_PAIR, COLOR_WHITE, COLOR_BLACK);
+        init_pair(DEF_WIN_COLOR, COLOR_GREEN, COLOR_BLACK);
+
+    }
+    return 0;
+}
+
+WINDOW* create_base_window_box(const char* title, const int nlines, const int ncols, const int begin_y, const int begin_x)
+{
+    WINDOW* win = newwin(nlines, ncols, begin_y, begin_x);
+    if (win == NULL)
+        return NULL;
+    box(win, 0, 0);
+    mvwprintw(win, 0, 1, title);
+    return win;
+}
+
+void shutdown_curses(void)
+{
+    endwin();
+}

src/server/CMakeLists.txt

@@ -2,7 +2,10 @@ add_executable(netex_svr
         "main.c"
         "server.c"
         "srv_tui.c"
+        "srv_tui.h"
         "server.h")
 
 target_include_directories(netex_svr PRIVATE ${CMAKE_SOURCE_DIR}/src/net/include)
-target_link_libraries(netex_svr netex)
+target_link_libraries(netex_svr netex)
+
+add_subdirectory(tui)

src/server/server.c

@@ -21,7 +21,6 @@ CONFIGURATION* srv_configuration;
 int server_sockfd;
 struct sockaddr_in server_sockaddr;
 pthread_t listen_thread;
-bool b_listen;
 
 void server_listen();
 
@@ -38,9 +37,7 @@ int initialize_server(int argc, char* argv[])
         config_set_string(srv_configuration, "Connection.IPv", "Double");
         config_set_string(srv_configuration, "Connection.Crypto.CertPath", "cert.pem");
         if (config_save_to_path(srv_configuration, CONFIG_PATH) != 0)
-        {
             WARN("Failed to save configuration to disk, default config is only available in memory!");
-        }
     }
     // Socket
     const int64_t portnum = config_get_int(srv_configuration, "Connection.Port");

src/server/srv_tui.c

@@ -1,19 +1,13 @@
-//
-// Created by max on 28-1-24.
-//
-
 #include <ncurses.h>
 
 #include "netex.h"
 #include "server.h"
+#include "srv_tui.h"
 
-// INFO
+#include "nx_tui.h"
-// https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/
-//
 
-#define PAIR_BG_WIN_COLOR 2
 
-WINDOW *info_win, *log_win;
+WINDOW *info_win, *log_win, *log_pad;
 
 int setup_windows(void)
 {
@@ -23,23 +17,19 @@ int setup_windows(void)
     // Windows
     int ymax,xmax;
     getmaxyx(stdscr, ymax, xmax);
-    info_win = newwin(GET_PERC(ymax, 20), xmax-1, 1, 0);
+    info_win = create_base_window_box(" Info ",GET_PERC(ymax, 20), xmax-1, 1, 0);
-    log_win = newwin(ymax-16, GET_PERC(xmax, 50), GET_PERC(ymax, 20) + 1, 0);
+    log_win = create_base_window_box(" Log window ", ymax-16, GET_PERC(xmax, 50), GET_PERC(ymax, 20) + 1, 0);
+    log_pad = subpad(log_win, ymax-15, GET_PERC(xmax, 50) - 1, 1, 1);
     refresh();
-    wattron(info_win, COLOR_PAIR(PAIR_BG_WIN_COLOR));
+
-    box(info_win, 0, 0);
-    wattroff(info_win, COLOR_PAIR(PAIR_BG_WIN_COLOR));
-    wattron(log_win, COLOR_PAIR(PAIR_BG_WIN_COLOR));
-    box(log_win, 0, 0);
-    wattroff(log_win, COLOR_PAIR(PAIR_BG_WIN_COLOR));
-    mvwprintw(info_win, 0, 1, " Info window ");
-    mvwprintw(log_win, 0, 1, " Log window ");
     for (int i = 0; i != 15; i++)
     {
-        mvwprintw(log_win, i + 1, 1, "Test!");
+        waddstr(log_pad, "Test!");
     }
     wrefresh(info_win);
     wrefresh(log_win);
+    touchwin(log_win);
+    prefresh(log_pad, 0, 0, 10, 10, 10, 10);
 
     return 0;
 }

src/server/srv_tui.h

@@ -0,0 +1,14 @@
+//
+// Created by max on 10-2-24.
+//
+// https://invisible-island.net/ncurses/
+// https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/
+
+#ifndef SRV_TUI_H
+#define SRV_TUI_H
+
+// Color pairs
+
+#define PAIR_BG_WIN_COLOR 1
+
+#endif //SRV_TUI_H

src/server/tui/CMakeLists.txt

@@ -0,0 +1,3 @@
+# server/tui
+target_sources(netex_svr PRIVATE
+    "info_win.c")

src/server/tui/info_win.c

@@ -0,0 +1,6 @@
+//
+// Created by max on 10-2-24.
+//
+
+#include <ncurses.h>
+