Terminal: now only scrolls to end of new text when scrollbar is at bottom

src/source_base.cpp

@@ -122,6 +122,20 @@ void Source::SearchView::search_occurrences_updated(GtkWidget *widget, GParamSpe
     view->update_search_occurrences(gtk_source_search_context_get_occurrences_count(view->search_context));
 }
 
+bool Source::SearchView::on_key_press_event(GdkEventKey *event) {
+  if(event->keyval == GDK_KEY_Home && event->state & GDK_CONTROL_MASK) {
+    auto iter = get_buffer()->begin();
+    scroll_to(iter); // Home key should always scroll to start, even though cursor does not move
+    return Gsv::View::on_key_press_event(event);
+  }
+  else if(event->keyval == GDK_KEY_End && event->state & GDK_CONTROL_MASK) {
+    auto iter = get_buffer()->end();
+    scroll_to(iter); // End key should always scroll to start, even though cursor does not move
+    return Gsv::View::on_key_press_event(event);
+  }
+  return Gsv::View::on_key_press_event(event);
+}
+
 Source::BaseView::BaseView(const boost::filesystem::path &file_path, const Glib::RefPtr<Gsv::Language> &language) : SearchView(), file_path(file_path), language(language), status_diagnostics(0, 0, 0) {
   get_style_context()->add_class("juci_source_view");
 
@@ -1065,7 +1079,7 @@ bool Source::BaseView::on_key_press_event(GdkEventKey *key) {
     return true;
   }
 
-  return Gsv::View::on_key_press_event(key);
+  return Source::SearchView::on_key_press_event(key);
 }
 
 bool Source::BaseView::on_key_press_event_extra_cursors(GdkEventKey *key) {

src/source_base.hpp

@@ -40,6 +40,9 @@ namespace Source {
 
     std::function<void(int number)> update_search_occurrences;
 
+  protected:
+    bool on_key_press_event(GdkEventKey *key) override;
+
   private:
     GtkSourceSearchContext *search_context;
     GtkSourceSearchSettings *search_settings;

src/terminal.cpp

@@ -383,6 +383,12 @@ bool Terminal::on_button_press_event(GdkEventButton *button_event) {
 }
 
 bool Terminal::on_key_press_event(GdkEventKey *event) {
+  if(event->keyval == GDK_KEY_Home || event->keyval == GDK_KEY_End ||
+     event->keyval == GDK_KEY_Page_Up || event->keyval == GDK_KEY_Page_Down ||
+     event->keyval == GDK_KEY_Up || event->keyval == GDK_KEY_Down ||
+     event->keyval == GDK_KEY_Left || event->keyval == GDK_KEY_Right)
+    return Source::SearchView::on_key_press_event(event);
+
   LockGuard lock(processes_mutex);
   bool debug_is_running = false;
 #ifdef JUCI_ENABLE_DEBUG

src/window.cpp

@@ -1732,11 +1732,24 @@ void Window::add_widgets() {
   EntryBox::get().hide();
   Info::get().hide();
 
-  //Scroll to end of terminal whenever info is printed
-  Terminal::get().signal_size_allocate().connect([terminal_scrolled_window](Gtk::Allocation &allocation) {
+  // Scroll to end of terminal whenever info is printed and end of terminal is shown
+  auto scrolled_to_bottom = std::make_shared<bool>(true);
+  terminal_scrolled_window->get_vadjustment()->signal_value_changed().connect([terminal_scrolled_window, scrolled_to_bottom] {
+    auto adjustment = terminal_scrolled_window->get_vadjustment();
+    *scrolled_to_bottom = adjustment->get_value() == adjustment->get_upper() - adjustment->get_page_size();
+  });
+  terminal_scrolled_window->get_vadjustment()->signal_changed().connect([terminal_scrolled_window, scrolled_to_bottom] {
+    auto adjustment = terminal_scrolled_window->get_vadjustment();
+    if(adjustment->get_value() == adjustment->get_upper() - adjustment->get_page_size()) // If for instance the terminal has been cleared
+      *scrolled_to_bottom = true;
+  });
+  Terminal::get().signal_size_allocate().connect([terminal_scrolled_window, scrolled_to_bottom](Gtk::Allocation &allocation) mutable {
+    if(*scrolled_to_bottom) {
       auto adjustment = terminal_scrolled_window->get_vadjustment();
       adjustment->set_value(adjustment->get_upper() - adjustment->get_page_size());
+      *scrolled_to_bottom = true;
       Terminal::get().queue_draw();
+    }
   });
 
   EntryBox::get().signal_show().connect([hpaned, notebook_and_terminal_vpaned, notebook_vbox]() {