Small cleanup, and fixed potential segmentation/assertion fault. Tooltips now also get hidden when using mouse scroll.

juci/source.cc

@@ -185,9 +185,9 @@ parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
       update_syntax(extract_tokens(0, get_source_buffer()->get_text().size()));
       update_diagnostics();
       update_types();
+      clang_updated=true;
       parsing_in_progress->done("done");
       INFO("Syntax updated");
-      clang_tokens_ready=true;
     }
     else {
       parse_thread_go=true;
@@ -216,7 +216,7 @@ parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
   
   get_source_buffer()->signal_changed().connect([this]() {
     parse_thread_mapped=false;
-    clang_tokens_ready=false;
+    clang_updated=false;
     parse_thread_go=true;
   });
   
@@ -224,6 +224,7 @@ parse_thread_go(true), parse_thread_mapped(false), parse_thread_stop(false) {
   signal_key_release_event().connect(sigc::mem_fun(*this, &Source::ClangView::on_key_release), false);
   signal_motion_notify_event().connect(sigc::mem_fun(*this, &Source::ClangView::clangview_on_motion_notify_event), false);
   signal_focus_out_event().connect(sigc::mem_fun(*this, &Source::ClangView::clangview_on_focus_out_event), false);
+  signal_scroll_event().connect(sigc::mem_fun(*this, &Source::ClangView::clangview_on_scroll_event), false);
   get_buffer()->signal_mark_set().connect(sigc::mem_fun(*this, &Source::ClangView::clangview_on_mark_set), false);
 }
 
@@ -408,11 +409,9 @@ void Source::ClangView::update_types() {
         auto get_tooltip_buffer=[this, c]() {
           auto tooltip_buffer=Gtk::TextBuffer::create(get_buffer()->get_tag_table());
           tooltip_buffer->insert_at_cursor("Type: "+(*clang_tokens)[c].type);
-          if(clang_tokens_ready) {
           auto brief_comment=clang_tokens->get_brief_comment(c);
           if(brief_comment!="")
             tooltip_buffer->insert_at_cursor("\n\n"+brief_comment);
-          }
           return tooltip_buffer;
         };
         
@@ -423,15 +422,23 @@ void Source::ClangView::update_types() {
 }
 
 bool Source::ClangView::clangview_on_motion_notify_event(GdkEventMotion* event) {
+  if(clang_updated) {
     Gdk::Rectangle rectangle(event->x, event->y, 1, 1);
     diagnostic_tooltips.init();
     type_tooltips.show(rectangle);
     diagnostic_tooltips.show(rectangle);
+  }
+  else {
+    type_tooltips.hide();
+    diagnostic_tooltips.hide();
+  }
+    
   return false;
 }
 
 void Source::ClangView::clangview_on_mark_set(const Gtk::TextBuffer::iterator& iterator, const Glib::RefPtr<Gtk::TextBuffer::Mark>& mark) {
   if(mark->get_name()=="insert") {
+    if(clang_updated) {
       Gdk::Rectangle rectangle;
       get_iter_location(iterator, rectangle);
       int location_window_x, location_window_y;
@@ -443,11 +450,22 @@ void Source::ClangView::clangview_on_mark_set(const Gtk::TextBuffer::iterator& i
       type_tooltips.show(rectangle);
       diagnostic_tooltips.show(rectangle);
     }
+    else {
+      type_tooltips.hide();
+      diagnostic_tooltips.hide();
+    }
+  }
 }
 
 bool Source::ClangView::clangview_on_focus_out_event(GdkEventFocus* event) {
+    type_tooltips.hide();
     diagnostic_tooltips.hide();
+    return false;
+}
+
+bool Source::ClangView::clangview_on_scroll_event(GdkEventScroll* event) {
   type_tooltips.hide();
+  diagnostic_tooltips.hide();
   return false;
 }
 

juci/source.h

@@ -102,6 +102,7 @@ namespace Source {
     bool clangview_on_motion_notify_event(GdkEventMotion* event);
     void clangview_on_mark_set(const Gtk::TextBuffer::iterator& iterator, const Glib::RefPtr<Gtk::TextBuffer::Mark>& mark);
     bool clangview_on_focus_out_event(GdkEventFocus* event);
+    bool clangview_on_scroll_event(GdkEventScroll* event);
     
     static clang::Index clang_index;
     std::map<std::string, std::string> get_buffer_map() const;
@@ -109,7 +110,7 @@ namespace Source {
   private:
     std::unique_ptr<clang::TranslationUnit> clang_tu;
     std::unique_ptr<clang::Tokens> clang_tokens;
-    bool clang_tokens_ready=false;
+    bool clang_updated=false;
     void highlight_token(clang::Token *token,
                         std::vector<Range> *source_ranges,
                         int token_kind);

juci/window.cc

@@ -13,7 +13,7 @@ Window::Window() :
   INFO("Create Window");
   set_title("juCi++");
   set_default_size(600, 400);
-  set_events(Gdk::POINTER_MOTION_MASK|Gdk::FOCUS_CHANGE_MASK);
+  set_events(Gdk::POINTER_MOTION_MASK|Gdk::FOCUS_CHANGE_MASK|Gdk::SCROLL_MASK);
   add(window_box_);
   keybindings.action_group_menu()->add(Gtk::Action::create("FileQuit",
                                                             "Quit juCi++"),