[textedit] don't allow to cut/paste action when it's readonly or disabled

Author: Montel

internal/compiler/widgets/common/textedit-base.slint

@@ -46,15 +46,19 @@ export component TextEditBase inherits Rectangle {
     }
 
     public function cut() {
-        text-input.cut();
+        if (!root.read_only && root.enabled) {
+           text-input.cut();
+        }
     }
 
     public function copy() {
         text-input.copy();
     }
 
     public function paste() {
-        text-input.paste();
+        if (!root.read_only && root.enabled) {
+           text-input.paste();
+        }
     }
 
     forward-focus: text-input;

internal/compiler/widgets/cupertino/textedit.slint

@@ -99,15 +99,19 @@ export component TextEdit {
     }
 
     public function cut() {
-        text-input.cut();
+        if (!root.read-only && root.enabled) {
+            text-input.cut();
+        }
     }
 
     public function copy() {
         text-input.copy();
     }
 
     public function paste() {
-        text-input.paste();
+        if (!root.read-only && root.enabled) {
+            text-input.paste();
+        }
     }
 
     forward-focus: text-input;

tests/cases/widgets/textedit.slint

@@ -16,6 +16,7 @@ export component TestCase inherits Window {
     callback edited <=> edit.edited;
     in-out property <string> text <=> edit.text;
     in-out property <bool> read-only <=> edit.read-only;
+    in-out property <bool> enabled <=> edit.enabled;
     public function paste() {
         edit.paste();
     }
@@ -98,6 +99,15 @@ let edit = edit_search.next().unwrap();
 assert_eq!(edit.accessible_read_only(), Some(false));
 instance.set_read_only(true);
 assert_eq!(edit.accessible_read_only(), Some(true));
+
+instance.set_read_only(true);
+instance.invoke_paste();
+assert_eq!(instance.get_text(), "XxxHello👋");
+instance.set_read_only(false);
+
+instance.set_enabled(false);
+instance.invoke_paste();
+assert_eq!(instance.get_text(), "XxxHello👋");
 ```
 
 */