Delay first init() call in hints notifications.

Fix of #9780

src/slic3r/GUI/HintNotification.cpp

@@ -1040,7 +1040,7 @@ void NotificationManager::HintNotification::open_documentation()
  launch_browser_if_allowed(m_documentation_link);
  }
 }
-void NotificationManager::HintNotification::retrieve_data(bool new_hint/* = true*/)
+void NotificationManager::HintNotification::retrieve_data(bool new_hint/* = true*/, bool constructuctor_call/* = false*/)
 {
  HintData* hint_data = HintDatabase::get_instance().get_hint(new_hint);
  if (hint_data == nullptr)
@@ -1060,8 +1060,20 @@ void NotificationManager::HintNotification::retrieve_data(bool new_hint/* = true
  m_runtime_disable = hint_data->runtime_disable;
  m_documentation_link = hint_data->documentation_link;
  m_has_hint_data = true;
- update(nd);
+ update_hint(nd, constructuctor_call);
  }
 }
+void NotificationManager::HintNotification::update_hint(const NotificationData& n, bool constructuctor_call)
+{
+ m_text1 = n.text1;
+ m_hypertext = n.hypertext;
+ m_text2 = n.text2;
+ // This call to init was crashing PS. See issue #9780.
+ // When Hint notification is created in GuiApp::post_init, it is possible, that imgui was not initialized yet. 
+ // This happens if first idle event is recieved earlier then focus event. Which seems to be happening on some MacOS Ventura 13.1+.
+ // This condition should prevent it. 
+ if (!constructuctor_call)
+ init();
+}
 } //namespace Slic3r 
 } //namespace GUI 

src/slic3r/GUI/HintNotification.hpp

@@ -72,10 +72,11 @@ class NotificationManager::HintNotification : public NotificationManager::PopNot
  HintNotification(const NotificationData& n, NotificationIDProvider& id_provider, wxEvtHandler* evt_handler, bool new_hint)
  : PopNotification(n, id_provider, evt_handler)
  {
- retrieve_data(new_hint);
+ retrieve_data(new_hint, true);
  }
  virtual void init() override;
  void open_next() { retrieve_data(); }
+ void update_hint(const NotificationData& n, bool constructuctor_call);
 protected:
  virtual void set_next_window_size(ImGuiWrapper& imgui) override;
  virtual void count_spaces() override;
@@ -101,7 +102,7 @@ class NotificationManager::HintNotification : public NotificationManager::PopNot
  const float win_size_x, const float win_size_y,
  const float win_pos_x, const float win_pos_y);
  // recursion counter -1 tells to retrieve same hint as last time
- void retrieve_data(bool new_hint = true);
+ void retrieve_data(bool new_hint = true, bool constructuctor_call = false);
  void open_documentation();
 
  bool m_has_hint_data { false };