Added chat windows, and some clean up.

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;
+}