Fixed slow responsiveness in search and replace when buffer contains a large file.

juci/notebook.cc

@@ -134,7 +134,13 @@ void Notebook::Controller::show_search_and_replace() {
   search_entry_it->set_placeholder_text("Find");
   if(CurrentPage()!=-1) {
     CurrentSourceView()->search_highlight(search_entry_it->get_text(), case_sensitive_search, regex_search);
-    label_it->update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+    delayed_search_label_update.disconnect();
+    auto this_view=CurrentSourceView();
+    delayed_search_label_update=Glib::signal_timeout().connect([this, this_view, label_it]() {
+      if(this_view==CurrentSourceView() && search_entry_shown && entry_box.labels.size()>0)
+        label_it->update(0, std::to_string(this_view->get_search_occurences()));
+      return false;
+    }, 500);
   }
   search_entry_it->signal_key_press_event().connect([this](GdkEventKey* event){
     if(event->keyval==GDK_KEY_Return && event->state==GDK_SHIFT_MASK) {
@@ -147,7 +153,13 @@ void Notebook::Controller::show_search_and_replace() {
     last_search=search_entry_it->get_text();
     if(CurrentPage()!=-1) {
       CurrentSourceView()->search_highlight(search_entry_it->get_text(), case_sensitive_search, regex_search);
-      label_it->update(0, std::to_string(CurrentSourceView()->get_search_occurences()));
+      delayed_search_label_update.disconnect();
+      auto this_view=CurrentSourceView();
+      delayed_search_label_update=Glib::signal_timeout().connect([this, this_view, label_it]() {
+        if(this_view==CurrentSourceView() && search_entry_shown && entry_box.labels.size()>0)
+          label_it->update(0, std::to_string(this_view->get_search_occurences()));
+        return false;
+      }, 500);
     }
   });
   

juci/notebook.h

@@ -43,6 +43,7 @@ namespace Notebook {
     bool case_sensitive_search=true;
     bool regex_search=false;
     bool search_entry_shown=false;
+    sigc::connection delayed_search_label_update;
     
     std::vector<std::unique_ptr<Source> > source_views;
   private:

juci/source.cc

@@ -62,6 +62,7 @@ file_path(file_path), project_path(project_path) {
   search_settings = gtk_source_search_settings_new();
   gtk_source_search_settings_set_wrap_around(search_settings, true);
   search_context = gtk_source_search_context_new(get_source_buffer()->gobj(), search_settings);
+  gtk_source_search_context_set_highlight(search_context, true);
   //TODO: why does this not work?: Might be best to use the styles from sourceview. These has to be read from file, search-matches got style "search-match"
   //TODO: in header if trying again: GtkSourceStyle* search_match_style;
   //TODO: We can drop this, only work on newer versions of gtksourceview.
@@ -78,11 +79,10 @@ void Source::View::search_highlight(const std::string &text, bool case_sensitive
   gtk_source_search_settings_set_case_sensitive(search_settings, case_sensitive);
   gtk_source_search_settings_set_regex_enabled(search_settings, regex);
   gtk_source_search_settings_set_search_text(search_settings, text.c_str());
-  gtk_source_search_context_set_highlight(search_context, true);
 }
 
 int Source::View::get_search_occurences() {
-  while(gtk_events_pending())
+  while(gtk_events_pending()) //TODO: need to connect to a signal instead (something like search highlight updated)
     gtk_main_iteration();
   return gtk_source_search_context_get_occurrences_count(search_context);
 }