Widget.text() is const

src/dlangui/core/editable.d

@@ -614,7 +614,7 @@ class EditableContent {
     @property EditStateMark[] editMarks() { return _editMarks; }
 
     /// returns all lines concatenated delimited by '\n'
-    @property dstring text() {
+    @property dstring text() const {
         if (_lines.length == 0)
             return "";
         if (_lines.length == 1)

src/dlangui/dialogs/filedlg.d

@@ -1210,7 +1210,7 @@ class FileNameEditLine : HorizontalLayout {
     @property void caption(dstring s) { _caption = s; }
 
     /// returns widget content text (override to support this)
-    override @property dstring text() { return _edFileName.text; }
+    override @property dstring text() const { return _edFileName.text; }
     /// sets widget content text (override to support this)
     override @property Widget text(dstring s) { _edFileName.text = s; return this; }
     /// sets widget content text (override to support this)

src/dlangui/widgets/combobox.d

@@ -284,7 +284,7 @@ class ComboBox : ComboBoxBase {
         return cast(StringListAdapter)_adapter;
     }
 
-    @property override dstring text() {
+    @property override dstring text() const {
         return _body.text;
     }
 
@@ -403,7 +403,7 @@ class IconTextComboBox : ComboBoxBase {
         return cast(StringListAdapter)_adapter;
     }
 
-    @property override dstring text() {
+    @property override dstring text() const {
         return _body.text;
     }
 

src/dlangui/widgets/controls.d

@@ -355,7 +355,7 @@ class ImageTextButton : HorizontalLayout {
     protected TextWidget _label;
 
     /// Get label text
-    override @property dstring text() { return _label.text; }
+    override @property dstring text() const { return _label.text; }
     /// Set label plain unicode string
     override @property Widget text(dstring s) { _label.text = s; requestLayout(); return this; }
     /// Set label string resource Id

src/dlangui/widgets/editors.d

@@ -995,7 +995,7 @@ class EditWidgetBase : ScrollWidgetBase, EditableContentListener, MenuItemAction
     protected bool _lastReportedModifiedState;
 
     /// get widget text
-    override @property dstring text() { return _content.text; }
+    override @property dstring text() const { return _content.text; }
 
     /// set text
     override @property Widget text(dstring s) {

src/dlangui/widgets/groupbox.d

@@ -53,7 +53,7 @@ class GroupBox : LinearLayout {
     }
 
     /// get widget text
-    override @property dstring text() { return _caption.text; }
+    override @property dstring text() const { return _caption.text; }
     /// set text to show
     override @property Widget text(dstring s) {
         _caption.text = s;

src/dlangui/widgets/statusline.d

@@ -38,7 +38,7 @@ class StatusLineTextPanel : StatusLinePanelBase {
         addChild(_text);
     }
     /// returns widget content text (override to support this)
-    override @property dstring text() { return _text.text; }
+    override @property dstring text() const { return _text.text; }
     /// sets widget content text (override to support this)
     override @property Widget text(dstring s) { _text.text = s; return this; }
     /// sets widget content text (override to support this)

src/dlangui/widgets/widget.d

@@ -570,7 +570,7 @@ public:
     @property FontRef font() const { return stateStyle.font; }
 
     /// returns widget content text (override to support this)
-    @property dstring text() { return ""; }
+    @property dstring text() const { return ""; }
     /// sets widget content text (override to support this)
     @property Widget text(dstring s) { return this; }
     /// sets widget content text (override to support this)