ncurses template

Makefile

@@ -1,4 +1,4 @@
-CFLAGS  := -ggdb -Wall -pedantic
+CFLAGS  := -ggdb -Wall -pedantic -lcurses
 
 SRC_DIR := src
 OBJ_DIR := src/obj
@@ -7,9 +7,15 @@ BIN_DIR := bin
 SRCS := $(wildcard $(SRC_DIR)/*.c)
 OBJS := $(SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
 
+UI_SRCS := $(wildcard $(SRC_DIR)/ui/*.c $(SRC_DIR)/ui/**/*.c)
+OBJS += $(UI_SRCS:$(SRC_DIR)/ui/%.c=$(OBJ_DIR)/ui/%.o)
+
 $(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(SRC_DIR)/main.h
 	$(CC) $(CFLAGS) -c $< -o $@
 
+$(OBJ_DIR)/ui/%.o: $(SRC_DIR)/ui/%.c $(SRC_DIR)/ui/%.h
+	$(CC) $(CFLAGS) -c $< -o $@
+
 bbs-client: $(OBJS)
 	$(CC) $(CFLAGS) $^ -o $(BIN_DIR)/$@
 
@@ -21,7 +27,7 @@ deps.mk: $(SRCS)
 	$(CC) -MM $^ > $(SRC_DIR)/$@
 
 clean:
-	rm -f $(OBJ_DIR)/*.o $(BIN_DIR)/bbs-client
+	rm -f $(OBJ_DIR)/*.o $(OBJ_DIR)/**/*.o $(BIN_DIR)/bbs-client
 
 run:
 	$(BIN_DIR)/bbs-client

TODO.md

@@ -1,2 +1,3 @@
 TODO:
+- [ ] More universal Makefile
 - [ ] Check and fix registration and login

src/main.c

@@ -1,23 +1,86 @@
 #include "main.h"
 #include <arpa/inet.h>
 #include <netinet/in.h>
+#include <stdlib.h>
 #include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <termios.h>
 #include <unistd.h>
 
-/* TODO: перед загрузкой файла спрашивать права доступа
+#include "ui/app.h"
- TODO: сделать при интерфес выбора по пунктам меню */
+#include <ncurses.h>
+
+void event_loop(app_t *app);
+
+int main(int argc, char **argv) {
+  app_t *app;
+  app = calloc(1, sizeof(app_t));
+
+  init_nc();
+
+  app = init_app();
+
+  wrefresh(app->menu_win);
+  wrefresh(app->action_win);
+
+  event_loop(app);
+
+  destroy_app(app);
+  endwin();
 
-int main(int argc, char *argv[]) {
-  params_t params;
-  init_params(&params);
-  analyze_args(argc, argv, &params);
-  get_missing_params(&params);
-  int sd = init_client();
-  connect_to_server(sd, &params);
-  query_loop(sd, &params);
-  clear_params(&params);
   return 0;
-}
+}
+
+void event_loop(app_t *app) {
+  int c;
+
+  for (;;) {
+    c = wgetch(app->win);
+
+    switch (c) {
+    // 113 is q key. This exits the program
+    case 113:
+      return;
+    case KEY_F(9):
+      return;
+    case 'e':
+      // ac_edit(app);
+      break;
+    // 27 is ESC key. Usage of ESC is not recommended, but for now this clears
+    // the menus
+    case 27:
+      // app->menu_bar->selected_menu = -1;
+      break;
+    // 9 or \t is horizontal tab
+    case 9:
+      // if (app->active == N_MENU) {
+      //   app->active = N_ACTION;
+      // } else {
+      //   app->active = N_MENU;
+      // }
+      break;
+    default:
+      break;
+    }
+
+    draw_borders(app);
+
+    wnoutrefresh(app->win);
+    wnoutrefresh(app->menu_win);
+    wnoutrefresh(app->action_win);
+    doupdate();
+  };
+}
+
+// int main(int argc, char *argv[]) {
+//   params_t params;
+//   init_params(&params);
+//   analyze_args(argc, argv, &params);
+//   get_missing_params(&params);
+//   int sd = init_client();
+//   connect_to_server(sd, &params);
+//   query_loop(sd, &params);
+//   clear_params(&params);
+//   return 0;
+// }

src/ui/app.c

@@ -0,0 +1,109 @@
+#include "app.h"
+// #include "action.h"
+#include <stdlib.h>
+
+void ac_file(WINDOW *win, int is_action_w);
+
+app_t *init_app() {
+  // get values from terminal size
+  int y_max, x_max;
+  getmaxyx(stdscr, y_max, x_max);
+
+  // allocate app struct memory
+  app_t *_app = calloc(1, sizeof(app_t));
+
+  // associate values for screen size
+  _app->cur_y = y_max;
+  _app->cur_x = x_max;
+
+  _app->win = newwin(_app->cur_y, _app->cur_x, 0, 0);
+
+  // define the width for each sub window
+  int menu_w_x = x_max / 6;
+  int action_w_x = x_max - menu_w_x - 2;
+
+  // create the menu window
+  _app->menu_win = newwin(y_max - 4, menu_w_x, 2, 1);
+
+  // create the action window
+  _app->action_win = newwin(y_max - 4, action_w_x, 2, menu_w_x + 1);
+
+  // dialogue
+  _app->modal.win = NULL;
+
+  // print decorative bars
+  print_bars(_app);
+
+  // here goes box borders
+  draw_borders(_app);
+
+  // init menus
+//   _app->menus = malloc(3 * sizeof(menu_t));
+//   _app->menus[0] = init_menu("(F)ile", 'f');
+//   _app->menus[1] = init_menu("(E)dit", 'e');
+//   _app->menus[2] = init_menu("(A)bout", 'a');
+
+  // set active window by default
+//   _app->active = N_MENU;
+
+  // call the action window content by default
+//   ac_file(_app->action_win, _app->active);
+
+  // refresh the windows
+  wnoutrefresh(_app->win);
+  wnoutrefresh(_app->menu_win);
+  wnoutrefresh(_app->action_win);
+  doupdate();
+
+  return _app;
+}
+
+void init_nc() {
+  initscr();
+  noecho();
+  curs_set(0);
+  keypad(stdscr, TRUE);
+
+  if (!has_colors()) {
+    printf("Your terminal does not support color\n");
+  } else {
+    start_color();
+    init_pair(1, COLOR_RED, COLOR_BLACK);
+    init_pair(2, COLOR_GREEN, COLOR_BLACK);
+  }
+}
+
+void draw_borders(app_t *app) {
+  clear();
+  box(app->win, 0, 0);
+
+  // refresh the windows
+  wnoutrefresh(app->win);
+  wnoutrefresh(app->menu_win);
+  wnoutrefresh(app->action_win);
+  doupdate();
+}
+
+void print_bars(app_t *app) {
+  wattrset(app->win, A_REVERSE);
+
+  // print top and bottom bars
+  for (int i = 1; i < app->cur_x - 1; i++) {
+    mvwprintw(app->win, 1, i, " ");
+    mvwprintw(app->win, app->cur_y - 2, i, " ");
+  }
+
+  // add content to the top bar
+  mvwprintw(app->win, 1, 2, "example curses app | ");
+  mvwprintw(app->win, 1, 20, "size %d, %d", app->cur_x, app->cur_y);
+
+  // add content to the bottom bar
+  mvwprintw(app->win, app->cur_y - 2, 2, "F1 - Help | F9 - Quit");
+
+  wattroff(app->win, A_REVERSE);
+}
+
+void destroy_app(app_t *app) {
+  delwin(app->win);
+  free(app);
+}

src/ui/app.h

@@ -0,0 +1,32 @@
+#ifndef N_APP_H
+#define N_APP_H
+
+#include <ncurses.h>
+
+typedef enum {
+  none = 0,
+  login = 1,
+} dialogue_e;
+
+typedef struct {
+  WINDOW *win;
+  WINDOW *menu_win;
+  WINDOW *action_win;
+  struct {
+    dialogue_e active;
+    WINDOW *win;
+  } modal;
+  
+  //   menu_bar_t *menu_bar;
+  //   menu_t *menus;
+  //   active_win_e active;
+  int cur_y, cur_x;
+} app_t;
+
+app_t *init_app();
+void init_nc();
+void destroy_app(app_t *app);
+void draw_borders(app_t *app);
+void print_bars(app_t *app);
+
+#endif // N_APP_H