added ability to close and reopen chat windows & other minor changes

chat.c

@@ -25,6 +25,8 @@ typedef struct {
 
 } ChatContext;
 
+extern void del_window(ToxWindow *w, int f_num);
+extern int focus_window(int num);
 extern void fix_name(uint8_t* name);
 void print_help(ChatContext* self);
 void execute(ToxWindow* self, ChatContext* ctx, char* cmd);
@@ -50,7 +52,7 @@ static void chat_onMessage(ToxWindow* self, int num, uint8_t* msg, uint16_t len)
   fix_name(nick);
 
   wattron(ctx->history, COLOR_PAIR(2));
-  wprintw(ctx->history, "%02d:%02d:%02d  ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
+  wprintw(ctx->history, "[%02d:%02d:%02d]  ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
   wattroff(ctx->history, COLOR_PAIR(2));
   wattron(ctx->history, COLOR_PAIR(4));
   wprintw(ctx->history, "%s: ", nick);
@@ -116,7 +118,7 @@ static void chat_onKey(ToxWindow* self, int key) {
       if(!string_is_empty(ctx->line)) {
         /* make sure the string has at least non-space character */
         wattron(ctx->history, COLOR_PAIR(2));
-        wprintw(ctx->history, "%02d:%02d:%02d ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
+        wprintw(ctx->history, "[%02d:%02d:%02d] ", timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
         wattroff(ctx->history, COLOR_PAIR(2));
         wattron(ctx->history, COLOR_PAIR(1));
         wprintw(ctx->history, "you: ", ctx->line);
@@ -185,6 +187,12 @@ void execute(ToxWindow* self, ChatContext* ctx, char* cmd)
     }
     wprintw(ctx->history, "Your ID: %s\n", id);
   }
+  else if (strcmp(ctx->line, "/close") == 0) {
+    focus_window(0);    // Go to prompt screen
+    int f_num = ctx->friendnum;
+    delwin(ctx->linewin);
+    del_window(self, f_num);
+  }
   else
     wprintw(ctx->history, "Invalid command.\n");
 }
@@ -256,6 +264,5 @@ ToxWindow new_chat(int friendnum) {
   x->friendnum = friendnum;
 
   ret.x = (void*) x;
-  free(x);
   return ret;
 }

friendlist.c

@@ -12,12 +12,11 @@
 
 #include "windows.h"
 
+extern char WINDOW_STATUS[TOXWINDOWS_MAX_NUM];
 extern int add_window(ToxWindow w);
 extern int focus_window(int num);
 extern ToxWindow new_chat(int friendnum);
 
-#define MAX_FRIENDS_NUM 100
-
 typedef struct {
   uint8_t name[MAX_NAME_LENGTH];
   uint8_t status[MAX_USERSTATUS_LENGTH];
@@ -86,14 +85,11 @@ int friendlist_onFriendAdded(int num) {
   getname(num, friends[num_friends].name);
   strcpy((char*) friends[num_friends].name, "unknown");
   strcpy((char*) friends[num_friends].status, "unknown");
-  friends[num_friends].chatwin = -1;
+  friends[num_friends++].chatwin = -1;
-
-  num_friends++;
   return 0;
 }
 
 static void friendlist_onKey(ToxWindow* self, int key) {
-
   if(key == KEY_UP) {
     if(num_selected != 0)
       num_selected--;
@@ -103,12 +99,26 @@ static void friendlist_onKey(ToxWindow* self, int key) {
       num_selected = (num_selected+1) % num_friends;
   }
   else if(key == '\n') {
-
+    /* Jump to chat window if already open */
-    if(friends[num_selected].chatwin != -1)
+    if (friends[num_selected].chatwin != -1) {
-      return;
+      int i;
-
+      for (i = N_DEFAULT_WINS; i < MAX_WINDOW_SLOTS; i++) {
+        if (WINDOW_STATUS[i] == num_selected) {
+          focus_window(i);
+          break;
+        }
+      }
+    }else {
       friends[num_selected].chatwin = add_window(new_chat(num_selected));
       focus_window(friends[num_selected].chatwin);
+      int i;
+      for (i = N_DEFAULT_WINS; i < MAX_WINDOW_SLOTS; i++) {   // Find open slot
+        if (WINDOW_STATUS[i] == -1) {
+          WINDOW_STATUS[i] = num_selected;
+          break;
+        }
+      }
+    }
   }
 }
 
@@ -145,6 +155,10 @@ static void friendlist_onDraw(ToxWindow* self) {
   wrefresh(self->window);
 }
 
+void disable_chatwin(int f_num) {
+  friends[f_num].chatwin = -1;
+}
+
 static void friendlist_onInit(ToxWindow* self) {
 
 }

main.c

@@ -17,13 +17,12 @@ extern ToxWindow new_prompt();
 extern ToxWindow new_friendlist();
 
 extern int friendlist_onFriendAdded(int num);
-
+extern void disable_chatwin(int f_num);
 extern int add_req(uint8_t* public_key); // XXX
 
-#define TOXWINDOWS_MAX_NUM 32
+char WINDOW_STATUS[MAX_WINDOW_SLOTS];    // Holds status of chat windows
-
+static ToxWindow windows[MAX_WINDOW_SLOTS];
-static ToxWindow windows[TOXWINDOWS_MAX_NUM];
+int w_num;
-static int w_num;
 static int w_active;
 static ToxWindow* prompt;
 
@@ -115,6 +114,16 @@ static void init_tox() {
   m_callback_userstatus(on_statuschange);
 }
 
+void init_window_status() {
+  int i;
+  for (i = 0; i < N_DEFAULT_WINS; i++)
+    WINDOW_STATUS[i] = i;
+
+  int j;
+  for (j = N_DEFAULT_WINS; j < MAX_WINDOW_SLOTS; j++)
+    WINDOW_STATUS[j] = -1;
+}
+
 int add_window(ToxWindow w) {
   if(w_num == TOXWINDOWS_MAX_NUM)
     return -1;
@@ -133,6 +142,21 @@ int add_window(ToxWindow w) {
   return w_num - 1;
 }
 
+/* Deletes window w and cleans up */
+void del_window(ToxWindow *w, int f_num) {
+  delwin(w->window);
+  int i;
+  for (i = N_DEFAULT_WINS; i < MAX_WINDOW_SLOTS; i++) {
+    if (WINDOW_STATUS[i] == f_num) {
+      WINDOW_STATUS[i] = -1;
+      disable_chatwin(f_num);
+      break;
+    }
+  }
+  clear();
+  refresh();
+}
+
 int focus_window(int num) {
   if(num >= w_num || num < 0)
     return -1;
@@ -143,7 +167,6 @@ int focus_window(int num) {
 
 static void init_windows() {
   w_num = 0;
-  w_active = 0;
 
   if(add_window(new_prompt()) == -1 || add_window(new_friendlist()) == -1) {
     fprintf(stderr, "add_window() failed.\n");
@@ -151,7 +174,6 @@ static void init_windows() {
     endwin();
     exit(1);
   }
-
   prompt = &windows[0];
 }
 
@@ -238,7 +260,6 @@ static void load_data(char *path) {
 
 static void draw_bar() {
   static int odd = 0;
-  size_t i;
 
   attron(COLOR_PAIR(4));
   mvhline(LINES - 2, 0, '_', COLS);
@@ -250,28 +271,26 @@ static void draw_bar() {
   printw(" TOXIC 1.0 |");
   attroff(COLOR_PAIR(4) | A_BOLD);
 
-  for(i=0; i<w_num; i++) {
+  int i;
-    if(i == w_active) {
+  for (i = 0; i < (MAX_WINDOW_SLOTS-1); i++) {
+    if (WINDOW_STATUS[i] != -1) {
+      if (i == w_active)
         attron(A_BOLD);
-    }
 
       odd = (odd+1) % 10;
-
       if(windows[i].blink && (odd < 5)) {
         attron(COLOR_PAIR(3));
       }
 
       printw(" %s", windows[i].title);
-
       if(windows[i].blink && (odd < 5)) {
         attron(COLOR_PAIR(3));
       }
-
       if(i == w_active) {
         attroff(A_BOLD);
       }
     }
-
+  }
   refresh();
 }
 
@@ -280,38 +299,66 @@ void prepare_window(WINDOW* w) {
   wresize(w, LINES-2, COLS);
 }
 
+/* Shows next window when tab or back-tab is pressed */
+void set_active_window(int ch) {
+  int f_inf = 0;
+  int max = MAX_WINDOW_SLOTS-1;
+  if (ch == '\t') {
+    int i = (w_active + 1) % max;
+    while (true) {
+      if (WINDOW_STATUS[i] != -1) {
+        w_active = i;
+        return;
+      }
+      i = (i  + 1) % max;
+      if (f_inf++ > max) {   // infinite loop check
+        endwin();
+        clear();
+        exit(2);
+      }
+    }
+  }else {
+    int i = w_active - 1;
+    if (i < 0) i = max;
+    while (true) {
+      if (WINDOW_STATUS[i] != -1) {
+        w_active = i;
+        return;
+      }
+      if (--i < 0) i = max;
+      if (f_inf++ > max) {
+        endwin();
+        clear();
+        exit(2);
+      }
+    }
+  }
+}
+
 int main(int argc, char* argv[]) {
   int ch;
-  int i = 0;
-  int f_flag = 0;
-  char *filename = "data";
   ToxWindow* a;
 
-    for(i = 0; i < argc; i++) {
-        if(argv[i][0] == '-') {
-            if(argv[i][1] == 'f') {
-                if(argv[i + 1] != NULL)
-                    filename = argv[i + 1];
-                else {
-                    f_flag = -1;
-                }
-            }
-        }
-    }
-
   init_term();
   init_tox();
-  load_data(filename);
+  init_window_status();
   init_windows();
+  char *filename = "data";
+  load_data(filename);
 
-  if(f_flag == -1) {
+  int i;
+  for(i = 0; i < argc; i++) {
+    if(argv[i][0] == '-' && argv[i][1] == 'f') {
+      if(argv[i + 1] != NULL)
+        filename = argv[i + 1];
+      else {
         attron(COLOR_PAIR(3) | A_BOLD);
         wprintw(prompt->window, "You passed '-f' without giving an argument!\n"
                             "defaulting to 'data' for a keyfile...\n");
         attroff(COLOR_PAIR(3) | A_BOLD);
       }
-    
+    }
-
+  }
   while(true) {
     // Update tox.
     do_tox();
@@ -325,18 +372,14 @@ int main(int argc, char* argv[]) {
 
     // Handle input.
     ch = getch();
-    if(ch == '\t') {
+    if(ch == '\t' || ch == KEY_BTAB)
-      w_active = (w_active + 1) % w_num;
+      set_active_window(ch);
-    }
+    else if(ch != ERR) {
-    else if(ch == KEY_BTAB) {
+      a->onKey(a, ch);
-      w_active = (w_active + w_num - 1) % w_num;
     }
     else if(ch != ERR) {
       a->onKey(a, ch);
     }
-
   }
-
   return 0;
 }
-

prompt.c

@@ -254,7 +254,9 @@ static void execute(ToxWindow* self, char* cmd) {
       wprintw(self->window, "Message successfully sent.\n");
     }
   }
-
+  else if (!strncmp(cmd, "clear", strlen("clear"))) {
+    wclear(self->window);
+  }
   else {
     wprintw(self->window, "Invalid command.\n");
   }
@@ -314,6 +316,7 @@ static void print_usage(ToxWindow* self) {
   wprintw(self->window, "      nick <nickname>           : Set your nickname\n");
   wprintw(self->window, "      accept <number>           : Accept friend request\n");
   wprintw(self->window, "      myid                      : Print your ID\n");
+  wprintw(self->window, "      clear                     : Clear the screen\n");
   wprintw(self->window, "      quit/exit                 : Exit program\n");
   wprintw(self->window, "      help                      : Print this message again\n");
 

windows.h

@@ -3,6 +3,14 @@
  */
 
 #include <stdbool.h>
+#define TOXWINDOWS_MAX_NUM 32
+#define MAX_FRIENDS_NUM 100
+ 
+/* number of permanent default windows */
+#define N_DEFAULT_WINS 2  
+
+/* maximum window slots for WINDOW_STATUS array */
+#define MAX_WINDOW_SLOTS N_DEFAULT_WINS+MAX_FRIENDS_NUM
 
 typedef struct ToxWindow_ ToxWindow;