PhysicalPrinterCollection: Use select_preset() instead of select_preset_by_name()

+ changed signature for select_preset()

src/libslic3r/Preset.cpp

@@ -1731,34 +1731,27 @@ std::string PhysicalPrinterCollection::get_selected_full_printer_name() const
     return (m_idx_selected == size_t(-1)) ? std::string() : this->get_selected_printer().get_full_name(m_selected_preset);
 }
 
-PhysicalPrinter& PhysicalPrinterCollection::select_printer_by_name(const std::string& full_name)
+void PhysicalPrinterCollection::select_printer(const std::string& full_name)
 {
     std::string printer_name = PhysicalPrinter::get_short_name(full_name);
     auto it = this->find_printer_internal(printer_name);
-    assert(it != m_printers.end());
+    if (it == m_printers.end()) {
+        unselect_printer();
+        return;
+    }
 
     // update idx_selected
-    m_idx_selected      = it - m_printers.begin();
+    m_idx_selected = it - m_printers.begin();
+
     // update name of the currently selected preset
-    m_selected_preset   = it->get_preset_name(full_name);
-    if (m_selected_preset.empty())
+    if (printer_name == full_name)
+        // use first preset in the list
         m_selected_preset = *it->preset_names.begin();
-    return *it;
+    else
+        m_selected_preset = it->get_preset_name(full_name);
 }
 
-PhysicalPrinter& PhysicalPrinterCollection::select_printer(const std::string& printer_name)
-{
-    auto it = this->find_printer_internal(printer_name);
-    assert(it != m_printers.end());
-
-    // update idx_selected
-    m_idx_selected      = it - m_printers.begin();
-    // update name of the currently selected preset
-    m_selected_preset   = *it->preset_names.begin();
-    return *it;
-}
-
-PhysicalPrinter& PhysicalPrinterCollection::select_printer(const PhysicalPrinter& printer)
+void PhysicalPrinterCollection::select_printer(const PhysicalPrinter& printer)
 {
     return select_printer(printer.name);
 }

src/libslic3r/Preset.hpp

@@ -666,13 +666,13 @@ public:
     // Returns the printer model of the selected preset, or an empty string if no preset is selected.
     std::string     get_selected_printer_preset_name() const { return (m_idx_selected == size_t(-1)) ? std::string() : m_selected_preset; }
 
-    // select printer with name and return reference on it
-    PhysicalPrinter&        select_printer_by_name(const std::string& full_name);
-    PhysicalPrinter&        select_printer(const std::string &printer_name);
-    PhysicalPrinter&        select_printer(const PhysicalPrinter& printer);
-    bool                    has_selection() const;
-    void                    unselect_printer() ;
-    bool                    is_selected(ConstIterator it, const std::string &preset_name) const;
+    // Select printer by the full printer name, which contains name of printer, separator and name of selected preset
+    // If full_name doesn't contain name of selected preset, then select first preset in the list for this printer
+    void select_printer(const std::string& full_name);
+    void select_printer(const PhysicalPrinter& printer);
+    bool has_selection() const;
+    void unselect_printer() ;
+    bool is_selected(ConstIterator it, const std::string &preset_name) const;
 
     // Return a printer by an index. If the printer is active, a temporary copy is returned.
     PhysicalPrinter& printer(size_t idx) { return m_printers[idx]; }

src/libslic3r/PresetBundle.cpp

@@ -436,7 +436,7 @@ void PresetBundle::load_selections(AppConfig &config, const std::string &preferr
 
     // Activate physical printer from the config
     if (!initial_physical_printer_name.empty())
-        physical_printers.select_printer_by_name(initial_physical_printer_name);
+        physical_printers.select_printer(initial_physical_printer_name);
 }
 
 // Export selections (current print, current filaments, current printer) into config.ini

src/slic3r/GUI/PresetComboBoxes.cpp

@@ -366,7 +366,7 @@ bool PresetComboBox::selection_is_changed_according_to_physical_printers()
     else
         old_printer_preset = m_collection->get_edited_preset().name;
     // Select related printer preset on the Printer Settings Tab 
-    physical_printers.select_printer_by_name(selected_string);
+    physical_printers.select_printer(selected_string);
     std::string preset_name = physical_printers.get_selected_printer_preset_name();
 
     // if new preset wasn't selected, there is no need to call update preset selection
@@ -1031,7 +1031,7 @@ void TabPresetComboBox::update_physical_printers( const std::string& preset_name
                     dialog.ShowModal();
                 }
 
-                physical_printers.select_printer_by_name(printer.get_full_name(preset_name));
+                physical_printers.select_printer(printer.get_full_name(preset_name));
             }
         }
         else

src/slic3r/GUI/Tab.cpp

@@ -3100,7 +3100,7 @@ void Tab::select_preset(std::string preset_name, bool delete_current /*=false*/,
             if (!last_selected_ph_printer_name.empty() &&
                 m_presets->get_edited_preset().name == PhysicalPrinter::get_preset_name(last_selected_ph_printer_name)) {
                 // If preset selection was canceled and previously was selected physical printer, we should select it back
-                m_preset_bundle->physical_printers.select_printer_by_name(last_selected_ph_printer_name);
+                m_preset_bundle->physical_printers.select_printer(last_selected_ph_printer_name);
             }
         }