Fix crash when creating room when user is not a member of any other room

2 files changed, 22 insertions, 12 deletions

diff --git a/src/ChatWindow.cpp b/src/ChatWindow.cpp
index b53e337..f7cc5e2 100644
--- a/src/ChatWindow.cpp
+++ b/src/ChatWindow.cpp
@@ -1,22 +1,25 @@
 #include "../include/ChatWindow.hpp"
 #include "../include/ChatMessage.hpp"
 #include "../include/InputDialog.hpp"
+#include "../include/Window.hpp"
 #include <gtkmm/alignment.h>
 #include <gtkmm/viewport.h>
 #include <gtkmm/scrollbar.h>
 #include <gtkmm/eventbox.h>
-#include <cassert>
+#include <assert.h>
 
 namespace dchat
 {
     // Merge all messages that are written by the same user without interrupt within a timeframe
     const int MERGE_MESSAGE_TIMESTAMP_DIFF_SEC = 60;
 
-    ChatWindow::ChatWindow() : 
+    ChatWindow::ChatWindow(Window *_window) : 
         addRoomButton("images/add_button_small.png", "  Add room"),
         roomCount(0),
-        currentRoomData(nullptr)
+        currentRoomData(nullptr),
+        window(_window)
     {
+        assert(window);
         leftPanelUsersStack.set_homogeneous(false);
         messageAreaStack.set_homogeneous(false);
         setupTopBar();
@@ -118,8 +121,12 @@ namespace dchat
             {
                 case Gtk::RESPONSE_ACCEPT:
                 {
-                    // TODO: Do not allow if room name size is == 0 or > 32
-                    currentRoom->rooms->createRoom(createRoomDialog.getInput());
+                    // TODO: Show error inline in the create room dialog
+                    Glib::ustring roomName = createRoomDialog.getInput();
+                    if(roomName.size() == 0 || roomName.size() > 32)
+                        window->windowNotification->show("Room name has to be between 1 and 32 characters");
+                    else
+                        window->rooms->createRoom(roomName);
                     break;
                 }
                 default:
@@ -151,6 +158,7 @@ namespace dchat
         chatArea->attach(*chatScrollWindow, 0, 0, 1, 1);
 
         chatInput.set_hexpand(true);
+        chatInput.set_editable(false);
         chatInput.set_name("chat-input");
         chatInput.set_wrap_mode(Gtk::WrapMode::WRAP_WORD_CHAR);
         chatScrollWindow->add(chatInput);
@@ -239,6 +247,7 @@ namespace dchat
         currentRoomData = new RoomData { leftPanelUsersLayout, messageAreaLayout, roomButton };
         roomDataById[*room->id] = currentRoomData;
         currentRoom = room;
+        chatInput.set_editable(true);
 
         leftPanelUsersStack.set_visible_child(roomIdStr);
         messageAreaStack.set_visible_child(roomIdStr);
@@ -252,6 +261,7 @@ namespace dchat
         currentChannelTitle.set_text(room->name);
         currentRoom = room;
         currentRoomData = roomDataById[*room->id];
+        chatInput.set_editable(true);
 
         // TODO: Instead of scrolling to bottom, remember scroll position (even after restarting application).
         // We want to show oldest unread message first
diff --git a/src/Window.cpp b/src/Window.cpp
index b5a9f26..22e5501 100644
--- a/src/Window.cpp
+++ b/src/Window.cpp
@@ -1,6 +1,5 @@
 #include "../include/Window.hpp"
 #include <dchat/RoomDataType.hpp>
-#include "../include/WindowNotification.hpp"
 #include <dchat/Cache.hpp>
 #include <sibs/SafeDeserializer.hpp>
 #include <math.h>
@@ -11,10 +10,11 @@ namespace dchat
     const int nodesPerColumn = 10;
     const int nodesPerRow = 10;
 
-    Window::Window()
+    Window::Window() : 
+        chatWindow(this)
     {
         set_border_width(0);
-        WindowNotification *windowNotification = Gtk::manage(new WindowNotification());
+        windowNotification = Gtk::manage(new WindowNotification());
         overlay.add_overlay(*windowNotification);
         overlay.set_overlay_pass_through(*windowNotification);
         overlay.add(stack);
@@ -31,7 +31,7 @@ namespace dchat
         //chatWindow.show_all();
         //loginWindow.show();
 
-        loginWindow.setLoginHandler([this, windowNotification](const Glib::ustring &username, const Glib::ustring &password)
+        loginWindow.setLoginHandler([this](const Glib::ustring &username, const Glib::ustring &password)
         {
             if(!rooms || !rooms->database)
             {
@@ -57,7 +57,7 @@ namespace dchat
             }
         });
 
-        loginWindow.setRegisterHandler([this, windowNotification](const Glib::ustring &username, const Glib::ustring &password)
+        loginWindow.setRegisterHandler([this](const Glib::ustring &username, const Glib::ustring &password)
         {
             if(!rooms || !rooms->database)
             {
@@ -84,13 +84,13 @@ namespace dchat
             }
         });
 
-        loginWindow.setRegisterPasswordMismatch([windowNotification]
+        loginWindow.setRegisterPasswordMismatch([this]
         {
             windowNotification->show("Passwords do not match");
         });
 
         RoomCallbackFuncs roomCallbackFuncs;
-        roomCallbackFuncs.connectCallbackFunc = [this, windowNotification](std::shared_ptr<Rooms> rooms, const char *errMsg)
+        roomCallbackFuncs.connectCallbackFunc = [this](std::shared_ptr<Rooms> rooms, const char *errMsg)
         {
             this->rooms = rooms;
             if(rooms)