Give my widgets CSS names properly

src/appwindow.rs

@@ -70,6 +70,8 @@ mod underlying {
         type ParentType = gtk4::ApplicationWindow;
 
         fn class_init(klass: &mut Self::Class) {
+            klass.set_css_name("kcshot-app-window");
+
             klass.bind_template();
             klass.bind_template_callbacks();
         }

src/editor/colourchooser.rs

@@ -76,6 +76,7 @@ mod underlying {
 
         fn class_init(klass: &mut Self::Class) {
             klass.set_layout_manager_type::<gtk4::BoxLayout>();
+            klass.set_css_name("kcshot-colour-chooser");
         }
     }
 

src/editor/colourchooserdialog.rs

@@ -70,6 +70,8 @@ mod underlying {
         type ParentType = gtk4::Window;
 
         fn class_init(klass: &mut Self::Class) {
+            klass.set_css_name("kcshot-colour-chooser-dialog");
+
             klass.bind_template();
             klass.bind_template_callbacks();
         }

src/editor/colourwheel.rs

@@ -324,6 +324,7 @@ mod underlying {
 
         fn class_init(klass: &mut Self::Class) {
             klass.set_layout_manager_type::<gtk4::BinLayout>();
+            klass.set_css_name("tri-colour-wheel");
         }
 
         fn new() -> Self {

src/editor/textdialog.rs

@@ -44,6 +44,8 @@ mod underlying {
         type ParentType = gtk4::Window;
 
         fn class_init(klass: &mut Self::Class) {
+            klass.set_css_name("kcshot-text-dialog");
+
             klass.bind_template();
             klass.bind_template_callbacks();
         }

src/editor/textdialog/text_input.rs

@@ -84,6 +84,8 @@ mod underlying {
         type ParentType = gtk4::Widget;
 
         fn class_init(klass: &mut Self::Class) {
+            klass.set_css_name("kcshot-text-input");
+
             klass.bind_template();
             klass.bind_template_callbacks();
         }

src/editor/toolbar.rs

@@ -99,6 +99,7 @@ mod underlying {
 
         fn class_init(klass: &mut Self::Class) {
             klass.set_layout_manager_type::<gtk4::BoxLayout>();
+            klass.set_css_name("kcshot-toolbar");
 
             klass.bind_template();
             klass.bind_template_callbacks();

src/editor/toolbar/toolbutton.rs

@@ -88,6 +88,7 @@ mod underlying {
         fn class_init(klass: &mut Self::Class) {
             klass.set_layout_manager_type::<gtk4::BinLayout>();
             klass.set_accessible_role(gtk4::AccessibleRole::Button);
+            klass.set_css_name("kcshot-tool-button");
 
             klass.bind_template();
             klass.bind_template_callbacks();

src/editor/underlying.rs

@@ -120,6 +120,8 @@ impl ObjectSubclass for EditorWindow {
     type ParentType = gtk4::ApplicationWindow;
 
     fn class_init(klass: &mut Self::Class) {
+        klass.set_css_name("kcshot-editor-window");
+
         klass.bind_template();
         klass.bind_template_callbacks();
     }

src/settings_window.rs

@@ -42,6 +42,8 @@ mod underlying {
         type ParentType = gtk4::Window;
 
         fn class_init(klass: &mut Self::Class) {
+            klass.set_css_name("kcshot-settings-window");
+
             klass.bind_template();
             klass.bind_template_callbacks();
         }