Improve code quality for external editor settings

rtgui/externaleditorpreferences.cc

@@ -91,7 +91,7 @@ ExternalEditorPreferences::ExternalEditorPreferences():
 std::vector<ExternalEditorPreferences::EditorInfo>
 ExternalEditorPreferences::getEditors() const
 {
-    std::vector<ExternalEditorPreferences::EditorInfo> editors;
+    std::vector<EditorInfo> editors;
 
     auto children = list_model->children();
 
@@ -114,7 +114,7 @@ void ExternalEditorPreferences::setEditors(
 {
     list_model->clear();
 
-    for (const ExternalEditorPreferences::EditorInfo & editor : editors) {
+    for (const EditorInfo & editor : editors) {
         auto row = *list_model->append();
         Glib::RefPtr<Gio::Icon> icon;
 
@@ -169,8 +169,8 @@ Gtk::TreeViewColumn *ExternalEditorPreferences::makeAppColumn()
     col->set_resizable();
     col->pack_start(*icon_renderer, false);
     col->pack_start(*name_renderer);
-    col->add_attribute(*icon_renderer, "gicon", model_columns.icon);
+    col->add_attribute(icon_renderer->property_gicon(), model_columns.icon);
-    col->add_attribute(*name_renderer, "text", model_columns.name);
+    col->add_attribute(name_renderer->property_text(), model_columns.name);
     col->set_min_width(20);
 
     name_renderer->property_editable() = true;
@@ -187,7 +187,7 @@ Gtk::TreeViewColumn *ExternalEditorPreferences::makeCommandColumn()
 
     col->set_title(M("PREFERENCES_EXTERNALEDITOR_COLUMN_COMMAND"));
     col->pack_start(*command_renderer);
-    col->add_attribute(*command_renderer, "text", model_columns.command);
+    col->add_attribute(command_renderer->property_text(), model_columns.command);
 
     command_renderer->property_editable() = true;
     command_renderer->signal_edited().connect(
@@ -366,8 +366,16 @@ void ExternalEditorPreferences::updateToolbarSensitivity()
 }
 
 ExternalEditorPreferences::EditorInfo::EditorInfo(
-    Glib::ustring name, Glib::ustring command, Glib::ustring icon_serialized, bool native_command, void *other_data
+    const Glib::ustring &name,
-) : name(name), icon_serialized(icon_serialized), command(command), native_command(native_command), other_data(other_data)
+    const Glib::ustring &command,
+    const Glib::ustring &icon_serialized,
+    bool native_command,
+    EditorTag other_data) :
+    name(name),
+    icon_serialized(icon_serialized),
+    command(command),
+    native_command(native_command),
+    other_data(other_data)
 {
 }
 

rtgui/externaleditorpreferences.h

@@ -42,16 +42,22 @@ class FileChooserDialog;
 class ExternalEditorPreferences : public Gtk::Box
 {
 public:
+    struct EditorTag {
+        bool selected;
+        EditorTag(): selected(false) {}
+        explicit EditorTag(bool selected): selected(selected) {}
+    };
+
     /**
      * Data struct containing information about an external editor.
      */
     struct EditorInfo {
         explicit EditorInfo(
-            Glib::ustring name = Glib::ustring(),
+            const Glib::ustring &name = Glib::ustring(),
-            Glib::ustring command = Glib::ustring(),
+            const Glib::ustring &command = Glib::ustring(),
-            Glib::ustring icon_serialized = Glib::ustring(),
+            const Glib::ustring &icon_serialized = Glib::ustring(),
             bool native_command = false,
-            void *other_data = nullptr
+            EditorTag other_data = EditorTag()
         );
         /**
          * Name of the external editor.
@@ -74,7 +80,7 @@ public:
          * Holds any other data associated with the editor. For example, it can
          * be used as a tag to uniquely identify the editor.
          */
-        void *other_data;
+        EditorTag other_data;
     };
 
     ExternalEditorPreferences();
@@ -102,7 +108,7 @@ private:
         Gtk::TreeModelColumn<Glib::RefPtr<Gio::Icon>> icon;
         Gtk::TreeModelColumn<Glib::ustring> command;
         Gtk::TreeModelColumn<bool> native_command;
-        Gtk::TreeModelColumn<void *> other_data;
+        Gtk::TreeModelColumn<EditorTag> other_data;
     };
 
     ModelColumns model_columns;

rtgui/preferences.cc

@@ -1753,7 +1753,7 @@ void Preferences::storePreferences()
     for (unsigned i = 0; i < editors.size(); i++) {
         moptions.externalEditors[i] = (ExternalEditor(
             editors[i].name, editors[i].command, editors[i].native_command, editors[i].icon_serialized));
-        if (editors[i].other_data) {
+        if (editors[i].other_data.selected) {
             // The current editor was marked before the list was edited. We
             // found the mark, so this is the editor that was active.
             moptions.externalEditorIndex = i;
@@ -2038,7 +2038,7 @@ void Preferences::fillPreferences()
     }
     if (moptions.externalEditorIndex >= 0) {
         // Mark the current editor so we can track it.
-        editorInfos[moptions.externalEditorIndex].other_data = (void *)1;
+        editorInfos[moptions.externalEditorIndex].other_data.selected = true;
     }
     externalEditors->setEditors(editorInfos);