fix resizing bugs

doc/toxic.1

@@ -50,9 +50,8 @@ for more details.
 .IP __DATADIR__/toxic.conf.example
 Configuration example.
 .SH BUGS
-Resizing the terminal breaks the layout. We suggest you size your terminal as
+Unicode characters with a width larger than 1 column may cause 
-desired prior to starting the client. Unicode characters with a width larger
+strange behaviour. Expect more bugs and bad
-than 1 column may cause strange behaviour. Expect more bugs and bad
 behaviour: this software is in a pre\-alpha stage.
 .SH AUTHORS
 JFreegman <JFreegman@gmail.com>

src/chat.c

@@ -116,6 +116,8 @@ void kill_chat_window(ToxWindow *self, Tox *m)
 
     int f_num = self->num;
     delwin(ctx->linewin);
+    delwin(ctx->history);
+    delwin(self->window);
     delwin(statusbar->topline);
     del_window(self);
     disable_chatwin(f_num);
@@ -386,9 +388,7 @@ static void chat_onFileData(ToxWindow *self, Tox *m, int32_t num, uint8_t filenu
 
     if (fp) {
         if (fwrite(data, length, 1, fp) != 1) {
-            uint8_t *msg = " * Error writing to file.";
+            line_info_add(self, NULL, NULL, NULL, " * Error writing to file.", SYS_MSG, 0, RED);
-            line_info_add(self, NULL, NULL, NULL, msg, SYS_MSG, 0, RED);
-
             tox_file_send_control(m, num, 1, filenum, TOX_FILECONTROL_KILL, 0, 0);
             chat_close_file_receiver(num, filenum);
         }
@@ -400,10 +400,10 @@ static void chat_onFileData(ToxWindow *self, Tox *m, int32_t num, uint8_t filenu
     /* refresh line with percentage complete */
     if (!remain || timed_out(friends[num].file_receiver.last_progress[filenum], curtime, 1)) {
         friends[num].file_receiver.last_progress[filenum] = curtime;
-        uint8_t msg[MAX_STR_SIZE];
         uint64_t size = friends[num].file_receiver.size[filenum];
         long double pct_remain = remain ? (1 - (remain / size)) * 100 : 100;
 
+        uint8_t msg[MAX_STR_SIZE];
         const uint8_t *name = friends[num].file_receiver.filenames[filenum];
         snprintf(msg, sizeof(msg), "Saving file as: '%s' (%.1Lf%%)", name, pct_remain);
         line_info_set(self, friends[num].file_receiver.line_id[filenum], msg);
@@ -838,7 +838,13 @@ static void chat_onDraw(ToxWindow *self, Tox *m)
         wprintw(statusbar->topline, "%02X", friends[self->num].pub_key[i] & 0xff);
 
     wprintw(statusbar->topline, "}\n");
-    mvwhline(ctx->linewin, 0, 0, ACS_HLINE, x2);
+
+    mvwhline(self->window, y2 - CHATBOX_HEIGHT, 0, ACS_HLINE, x2);
+
+    int y, x;
+    getyx(self->window, y, x);
+    int new_x = ctx->start ? x2 - 1 : ctx->pos;
+    wmove(self->window, y + 1, new_x);
 
 #ifdef _SUPPORT_AUDIO
     wrefresh(self->window);

src/groupchat.c

@@ -93,6 +93,9 @@ void kill_groupchat_window(ToxWindow *self)
     log_disable(ctx->log);
     line_info_cleanup(ctx->hst);
     delwin(ctx->linewin);
+    delwin(ctx->history);
+    delwin(ctx->sidebar);
+    delwin(self->window);
     del_window(self);
     free(ctx->log);
     free(ctx->hst);
@@ -422,8 +425,12 @@ static void groupchat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
                 } else {
                     wmove(self->window, y, x + diff);
                 }
-            } else beep();
+            } else {
-        } else beep();
+                beep();
+            }
+        } else {
+            beep();
+        }
     } else if (key == T_KEY_C_RB) {    /* Scroll peerlist up and down one position */
         int L = y2 - CHATBOX_HEIGHT - SDBAR_OFST;
 
@@ -473,7 +480,6 @@ static void groupchat_onKey(ToxWindow *self, Tox *m, wint_t key, bool ltr)
 
 static void groupchat_onDraw(ToxWindow *self, Tox *m)
 {
-
     int x2, y2;
     getmaxyx(self->window, y2, x2);
 
@@ -482,14 +488,14 @@ static void groupchat_onDraw(ToxWindow *self, Tox *m)
     line_info_print(self);
     wclear(ctx->linewin);
 
-    scrollok(ctx->history, 0);
     curs_set(1);
 
     if (ctx->len > 0)
         mvwprintw(ctx->linewin, 1, 0, "%ls", &ctx->line[ctx->start]);
 
     wclear(ctx->sidebar);
-    mvwhline(ctx->linewin, 0, 0, ACS_HLINE, x2);
+
+    mvwhline(self->window, y2 - CHATBOX_HEIGHT, 0, ACS_HLINE, x2);
     mvwvline(ctx->sidebar, 0, 0, ACS_VLINE, y2 - CHATBOX_HEIGHT);
     mvwaddch(ctx->sidebar, y2 - CHATBOX_HEIGHT, 0, ACS_BTEE);
 
@@ -518,18 +524,23 @@ static void groupchat_onDraw(ToxWindow *self, Tox *m)
 
         wprintw(ctx->sidebar, "%s\n", tmpnck);
     }
+
+    int y, x;
+    getyx(self->window, y, x);
+    int new_x = ctx->start ? x2 - 1 : ctx->pos;
+    wmove(self->window, y + 1, new_x);
 }
 
 static void groupchat_onInit(ToxWindow *self, Tox *m)
 {
-    int x, y;
+    int x2, y2;
-    getmaxyx(self->window, y, x);
+    getmaxyx(self->window, y2, x2);
 
     ChatContext *ctx = self->chatwin;
 
-    ctx->history = subwin(self->window, y - CHATBOX_HEIGHT + 1, x - SIDEBAR_WIDTH - 1, 0, 0);
+    ctx->history = subwin(self->window, y2 - CHATBOX_HEIGHT + 1, x2 - SIDEBAR_WIDTH - 1, 0, 0);
-    ctx->linewin = subwin(self->window, CHATBOX_HEIGHT, x, y - CHATBOX_HEIGHT, 0);
+    ctx->linewin = subwin(self->window, CHATBOX_HEIGHT, x2, y2 - CHATBOX_HEIGHT, 0);
-    ctx->sidebar = subwin(self->window, y - CHATBOX_HEIGHT + 1, SIDEBAR_WIDTH, 0, x - SIDEBAR_WIDTH);
+    ctx->sidebar = subwin(self->window, y2 - CHATBOX_HEIGHT + 1, SIDEBAR_WIDTH, 0, x2 - SIDEBAR_WIDTH);
 
     ctx->hst = malloc(sizeof(struct history));
     ctx->log = malloc(sizeof(struct chatlog));
@@ -548,7 +559,8 @@ static void groupchat_onInit(ToxWindow *self, Tox *m)
 
     execute(ctx->history, self, m, "/log", GLOBAL_COMMAND_MODE);
 
-    wmove(self->window, y - CURS_Y_OFFSET, 0);
+    scrollok(ctx->history, 0);
+    wmove(self->window, y2 - CURS_Y_OFFSET, 0);
 }
 
 ToxWindow new_group_chat(Tox *m, int groupnum)

src/prompt.c

@@ -241,7 +241,12 @@ static void prompt_onDraw(ToxWindow *self, Tox *m)
     if (statusbar->statusmsg[0])
         wprintw(statusbar->topline, " - %s", statusbar->statusmsg);
 
-    mvwhline(ctx->linewin, 0, 0, ACS_HLINE, x2);
+    mvwhline(self->window, y2 - CHATBOX_HEIGHT, 0, ACS_HLINE, x2);
+
+    int y, x;
+    getyx(self->window, y, x);
+    int new_x = ctx->start ? x2 - 1 : ctx->pos;
+    wmove(self->window, y + 1, new_x);
 }
 
 static void prompt_onConnectionChange(ToxWindow *self, Tox *m, int32_t friendnum , uint8_t status)

src/toxic.c

@@ -92,6 +92,11 @@ static void ignore_SIGINT(int sig)
     return;
 }
 
+static void flag_window_resize(int sig)
+{
+    Winthread.flag_resize = true;
+}
+
 void exit_toxic_success(Tox *m)
 {
     store_data(m, DATA_FILE);
@@ -110,7 +115,6 @@ void exit_toxic_success(Tox *m)
 #endif /* _SUPPORT_AUDIO */
     tox_kill(m);
     endwin();
-    fprintf(stderr, "Toxic session ended gracefully.\n");
     exit(EXIT_SUCCESS);
 }
 
@@ -126,14 +130,14 @@ void exit_toxic_err(const char *errmsg, int errcode)
 
 static void init_term(void)
 {
-    signal(SIGWINCH, on_window_resize);
+    signal(SIGWINCH, flag_window_resize);
 
 #if HAVE_WIDECHAR
 
     if (!arg_opts.default_locale) {
         if (setlocale(LC_ALL, "") == NULL)
             exit_toxic_err("Could not set your locale, please check your locale settings or "
-                           "disable unicode support with the -D flag.", FATALERR_LOCALE_SET);
+                           "disable unicode support with the -d flag.", FATALERR_LOCALE_SET);
     }
 
 #endif
@@ -476,9 +480,15 @@ void *thread_winref(void *data)
 
     while (true) {
         draw_active_window(m);
+
+        if (Winthread.flag_resize) {
+            on_window_resize();
+            Winthread.flag_resize = false;
+        } else {
             refresh_inactive_windows();
         }
     }
+}
 
 static void print_usage(void)
 {

src/windows.c

@@ -309,11 +309,50 @@ ToxWindow *init_windows(Tox *m)
     return prompt;
 }
 
-void on_window_resize(int sig)
+void on_window_resize(void)
 {
     endwin();
     refresh();
     clear();
+
+    int i;
+
+    for (i == 0; i < MAX_WINDOWS_NUM; ++i) {
+        if (!windows[i].active || windows[i].is_friendlist)
+            continue;
+
+        ToxWindow *w = &windows[i];
+        ChatContext *ctx = w->chatwin;
+
+        if (w->is_groupchat)
+            delwin(ctx->sidebar);
+        else
+            delwin(w->stb->topline);
+
+        delwin(ctx->linewin);
+        delwin(ctx->history);
+        delwin(w->window);
+
+        w->window = newwin(LINES - 2, COLS, 0, 0);
+
+        int x2, y2, x, y;
+        getmaxyx(w->window, y2, x2);
+        getyx(w->window, y, x);
+        w->x = x2;
+
+        ctx = w->chatwin;
+        ctx->linewin = subwin(w->window, CHATBOX_HEIGHT, x2, y2 - CHATBOX_HEIGHT, 0);
+
+        if (w->is_groupchat) {
+            ctx->history = subwin(w->window, y2 - CHATBOX_HEIGHT + 1, x2 - SIDEBAR_WIDTH - 1, 0, 0);
+            ctx->sidebar = subwin(w->window, y2 - CHATBOX_HEIGHT + 1, SIDEBAR_WIDTH, 0, x2 - SIDEBAR_WIDTH);
+        } else {
+            ctx->history = subwin(w->window, y2 - CHATBOX_HEIGHT + 1, x2, 0, 0);
+            w->stb->topline = subwin(w->window, 2, x2, 0, 0);
+        }
+
+        scrollok(ctx->history, 0);
+    }
 }
 
 static void draw_window_tab(ToxWindow toxwin)

src/windows.h

@@ -65,6 +65,7 @@ enum {
 struct _Winthread {
     pthread_t tid;
     pthread_mutex_t lock;
+    bool flag_resize;
 };
 
 typedef struct ToxWindow ToxWindow;
@@ -196,7 +197,7 @@ void del_window(ToxWindow *w);
 void set_active_window(int ch);
 int get_num_active_windows(void);
 void kill_all_windows(void);    /* should only be called on shutdown */
-void on_window_resize(int sig);
+void on_window_resize(void);
 
 /* refresh inactive windows to prevent scrolling bugs. 
    call at least once per second */