Added chat windows, and some clean up.

CMakeLists.txt

@@ -6,7 +6,8 @@ set(exe_name toxic)
 add_executable(${exe_name}
 	main.c
 	prompt.c
-	friendlist.c)
+	friendlist.c
+	chat.c)
 
 target_link_libraries(${exe_name}
 	curses)

chat.c

@@ -0,0 +1,134 @@
+#include <curses.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <ctype.h>
+
+#include "../../core/Messenger.h"
+#include "../../core/network.h"
+
+#include "windows.h"
+
+typedef struct {
+  int friendnum;
+
+  char line[256];
+  size_t pos;
+
+  WINDOW* history;
+  WINDOW* linewin;
+
+} ChatContext;
+
+extern void fix_name(uint8_t* name);
+
+
+static void chat_onMessage(ToxWindow* self, int num, uint8_t* msg, uint16_t len) {
+  ChatContext* ctx = (ChatContext*) self->x;
+  uint8_t nick[MAX_NAME_LENGTH] = {0};
+
+  if(ctx->friendnum != num)
+    return;
+
+  getname(num, (uint8_t*) &nick);
+
+  msg[len-1] = '\0';
+  nick[MAX_NAME_LENGTH-1] = '\0';
+
+  fix_name(msg);
+  fix_name(nick);
+
+  wprintw(ctx->history, "%s: %s\n", nick, msg);
+}
+
+static void chat_onNickChange(ToxWindow* self, int num, uint8_t* nick, uint16_t len) {
+  ChatContext* ctx = (ChatContext*) self->x;
+
+  if(ctx->friendnum != num)
+    return;
+
+  nick[len-1] = '\0';
+  fix_name(nick);
+
+  wattron(ctx->history, COLOR_PAIR(3));
+  wprintw(ctx->history, " * Your partner changed nick to '%s'\n", nick);
+  wattroff(ctx->history, COLOR_PAIR(3));
+}
+
+static void chat_onStatusChange(ToxWindow* self, int num, uint8_t* status, uint16_t len) {
+
+}
+
+static void chat_onKey(ToxWindow* self, int key) {
+  ChatContext* ctx = (ChatContext*) self->x;
+
+  if(isprint(key)) {
+
+    if(ctx->pos != sizeof(ctx->line)-1) {
+      ctx->line[ctx->pos++] = key;
+      ctx->line[ctx->pos] = '\0';
+    }
+  }
+  else if(key == '\n') {
+    wprintw(ctx->history, "you: %s\n", ctx->line);
+
+    if(m_sendmessage(ctx->friendnum, (uint8_t*) ctx->line, strlen(ctx->line)+1) < 0) {
+      wprintw(ctx->history, " * Failed to send message.\n");
+    }
+
+    ctx->line[0] = '\0';
+    ctx->pos = 0;
+  }
+}
+
+static void chat_onDraw(ToxWindow* self) {
+  int x, y;
+  ChatContext* ctx = (ChatContext*) self->x;
+
+  getmaxyx(self->window, y, x);
+
+  (void) x;
+  if(y < 3)
+    return;
+
+  wclear(ctx->linewin);
+  mvwhline(ctx->linewin, 0, 0, '_', COLS);
+  mvwprintw(ctx->linewin, 1, 0, "%s\n", ctx->line);
+
+  wrefresh(self->window);
+}
+
+static void chat_onInit(ToxWindow* self) {
+  int x, y;
+  ChatContext* ctx = (ChatContext*) self->x;
+
+  getmaxyx(self->window, y, x);
+
+  ctx->history = subwin(self->window, y - 4, x, 0, 0);
+  wprintw(ctx->history, "Here goes chat\n");
+  scrollok(ctx->history, 1);
+
+  ctx->linewin = subwin(self->window, 2, x, y - 3, 0);
+}
+
+ToxWindow new_chat(int friendnum) {
+  ToxWindow ret;
+
+  memset(&ret, 0, sizeof(ret));
+
+  ret.onKey = &chat_onKey;
+  ret.onDraw = &chat_onDraw;
+  ret.onInit = &chat_onInit;
+  ret.onMessage = &chat_onMessage;
+  ret.onNickChange = &chat_onNickChange;
+  ret.onStatusChange = &chat_onStatusChange;
+
+  snprintf(ret.title, sizeof(ret.title), "[chat %d]", friendnum);
+
+  ChatContext* x = calloc(1, sizeof(ChatContext));
+  x->friendnum = friendnum;
+
+  ret.x = (void*) x;
+
+  return ret;
+}

friendlist.c

@@ -12,6 +12,10 @@
 
 #include "windows.h"
 
+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 {
@@ -23,6 +27,7 @@ typedef struct {
 
 static friend_t friends[MAX_FRIENDS_NUM];
 static int num_friends = 0;
+static int num_selected = 0;
 
 
 void fix_name(uint8_t* name) {
@@ -42,31 +47,31 @@ void fix_name(uint8_t* name) {
   *q = 0;
 }
 
-int friendlist_nickchange(int num, uint8_t* str, uint16_t len) {
+void friendlist_onNickChange(ToxWindow* self, int num, uint8_t* str, uint16_t len) {
 
   if(len >= MAX_NAME_LENGTH || num >= num_friends)
-    return -1;
+    return;
 
   memcpy((char*) &friends[num].name, (char*) str, len);
   friends[num].name[len] = 0;
   fix_name(friends[num].name);
 
-  return 0;
+  return;
 }
 
-int friendlist_statuschange(int num, uint8_t* str, uint16_t len) {
+void friendlist_onStatusChange(ToxWindow* self, int num, uint8_t* str, uint16_t len) {
 
   if(len >= MAX_USERSTATUS_LENGTH || num >= num_friends)
-    return -1;
+    return;
 
   memcpy((char*) &friends[num].status, (char*) str, len);
   friends[num].status[len] = 0;
   fix_name(friends[num].status);
 
-  return 0;
+  return;
 }
 
-int friendlist_addfriend(int num) {
+int friendlist_onFriendAdded(int num) {
 
   if(num_friends == MAX_FRIENDS_NUM)
     return -1;
@@ -82,6 +87,17 @@ int friendlist_addfriend(int num) {
 
 static void friendlist_onKey(ToxWindow* self, int key) {
 
+  if(key == KEY_UP) {
+    if(num_selected != 0)
+      num_selected--;
+  }
+  else if(key == KEY_DOWN) {
+    if(num_friends != 0)
+      num_selected = (num_selected+1) % num_friends;
+  }
+  else if(key == '\n') {
+    focus_window(add_window(new_chat(num_selected)));
+  }
 }
 
 static void friendlist_onDraw(ToxWindow* self) {
@@ -92,11 +108,23 @@ static void friendlist_onDraw(ToxWindow* self) {
   if(num_friends == 0) {
     wprintw(self->window, "Empty. Add some friends! :-)\n");
   }
+  else {
+    wattron(self->window, COLOR_PAIR(2) | A_BOLD);
+    wprintw(self->window, "Friend list:\n");
+    wattroff(self->window, A_BOLD);
+
+    wprintw(self->window, "      ENTER:     start a chat\n");
+    wprintw(self->window, "      UP/DOWN:   navigate list\n");
+    wattroff(self->window, COLOR_PAIR(2));
+  }
 
   wprintw(self->window, "\n");
 
   for(i=0; i<num_friends; i++) {
-    wprintw(self->window, "[%d] ", friends[i].num);
+
+    if(i == num_selected) wattron(self->window, COLOR_PAIR(3));
+    wprintw(self->window, "  [%d] ", friends[i].num);
+    if(i == num_selected) wattroff(self->window, COLOR_PAIR(3));
 
     attron(A_BOLD);
     wprintw(self->window, "%s ", friends[i].name);
@@ -116,9 +144,13 @@ static void friendlist_onInit(ToxWindow* self) {
 ToxWindow new_friendlist() {
   ToxWindow ret;
 
+  memset(&ret, 0, sizeof(ret));
+
   ret.onKey = &friendlist_onKey;
   ret.onDraw = &friendlist_onDraw;
   ret.onInit = &friendlist_onInit;
+  ret.onNickChange = &friendlist_onNickChange;
+  ret.onStatusChange = &friendlist_onStatusChange;
   strcpy(ret.title, "[friends]");
 
   return ret;

main.c

@@ -16,9 +16,7 @@
 extern ToxWindow new_prompt();
 extern ToxWindow new_friendlist();
 
-extern int friendlist_addfriend(int num);
-extern int friendlist_nickchange(int num, uint8_t* str, uint16_t len);
-extern int friendlist_statuschange(int num, uint8_t* str, uint16_t len);
+extern int friendlist_onFriendAdded(int num);
 
 extern int add_req(uint8_t* public_key); // XXX
 
@@ -31,29 +29,52 @@ static ToxWindow* prompt;
 
 // CALLBACKS START
 void on_request(uint8_t* public_key, uint8_t* data, uint16_t length) {
+  size_t i;
   int n = add_req(public_key);
 
   wprintw(prompt->window, "\nFriend request.\nUse \"accept %d\" to accept it.\n", n);
+
+  for(i=0; i<w_num; i++) {
+    if(windows[i].onFriendRequest != NULL)
+      windows[i].onFriendRequest(&windows[i], public_key, data, length);
+  }
 }
 
 void on_message(int friendnumber, uint8_t* string, uint16_t length) {
+  size_t i;
+
   wprintw(prompt->window, "\n(message) %d: %s!\n", friendnumber, string);
+
+  for(i=0; i<w_num; i++) {
+    if(windows[i].onMessage != NULL)
+      windows[i].onMessage(&windows[i], friendnumber, string, length);
+  }
 }
 
 void on_nickchange(int friendnumber, uint8_t* string, uint16_t length) {
+  size_t i;
+
   wprintw(prompt->window, "\n(nickchange) %d: %s!\n", friendnumber, string);
 
-  friendlist_nickchange(friendnumber, string, length);
+  for(i=0; i<w_num; i++) {
+    if(windows[i].onNickChange != NULL)
+      windows[i].onNickChange(&windows[i], friendnumber, string, length);
+  }
 }
 
 void on_statuschange(int friendnumber, uint8_t* string, uint16_t length) {
+  size_t i;
+
   wprintw(prompt->window, "\n(statuschange) %d: %s!\n", friendnumber, string);
 
-  friendlist_statuschange(friendnumber, string, length);
+  for(i=0; i<w_num; i++) {
+    if(windows[i].onStatusChange != NULL)
+      windows[i].onStatusChange(&windows[i], friendnumber, string, length);
+  }
 }
 
 void on_friendadded(int friendnumber) {
-  friendlist_addfriend(friendnumber);
+  friendlist_onFriendAdded(friendnumber);
 }
 // CALLBACKS END
 
@@ -87,7 +108,7 @@ static void init_tox() {
   m_callback_userstatus(on_statuschange);
 }
 
-static int add_window(ToxWindow w) {
+int add_window(ToxWindow w) {
   if(w_num == TOXWINDOWS_MAX_NUM)
     return -1;
 
@@ -102,7 +123,15 @@ static int add_window(ToxWindow w) {
   windows[w_num++] = w;
   w.onInit(&w);
 
-  return w_num;
+  return w_num - 1;
+}
+
+int focus_window(int num) {
+  if(num >= w_num || num < 0)
+    return -1;
+
+  w_active = num;
+  return 0;
 }
 
 static void init_windows() {

prompt.c

@@ -221,7 +221,7 @@ static void execute(ToxWindow* self, char* cmd) {
     msg[0] = 0;
     msg++;
 
-    if(m_sendmessage(atoi(id), (uint8_t*) msg, strlen(msg)+1) != 1) {
+    if(m_sendmessage(atoi(id), (uint8_t*) msg, strlen(msg)+1) < 0) {
       wprintw(self->window, "Error occurred while sending message.\n");
     }
     else {
@@ -312,6 +312,8 @@ static void prompt_onInit(ToxWindow* self) {
 ToxWindow new_prompt() {
   ToxWindow ret;
 
+  memset(&ret, 0, sizeof(ret));
+
   ret.onKey = &prompt_onKey;
   ret.onDraw = &prompt_onDraw;
   ret.onInit = &prompt_onInit;

windows.h

@@ -4,7 +4,13 @@ struct ToxWindow_ {
   void(*onKey)(ToxWindow*, int);
   void(*onDraw)(ToxWindow*);
   void(*onInit)(ToxWindow*);
+  void(*onFriendRequest)(ToxWindow*, uint8_t*, uint8_t*, uint16_t);
+  void(*onMessage)(ToxWindow*, int, uint8_t*, uint16_t);
+  void(*onNickChange)(ToxWindow*, int, uint8_t*, uint16_t);
+  void(*onStatusChange)(ToxWindow*, int, uint8_t*, uint16_t);
   char title[256];
 
+  void* x;
+
   WINDOW* window;
 };