[gnome-sudoku/arnaudb/wip/gtk4] RadioButton is gone.

[Arnaud B. <arnaudb src gnome org>]

commit 378e7bb78946c2bbae81255fb54d7cb7659a22bd
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Wed Sep 2 17:37:34 2020 +0200

    RadioButton is gone.
    
    TODO test after vapi update.

 data/print-dialog.ui  | 10 +++++-----
 src/print-dialog.vala |  8 ++++----
 2 files changed, 9 insertions(+), 9 deletions(-)
---
diff --git a/data/print-dialog.ui b/data/print-dialog.ui
index e60ea46..0b0c4bb 100644
--- a/data/print-dialog.ui
+++ b/data/print-dialog.ui
@@ -83,7 +83,7 @@
                 <property name="halign">end</property>
                 <property name="width-request">150</property>
                 <property name="xalign">1.0</property>
-                <property name="margin-top">2</property> <!-- TODO hackish, alignment with first RadioButton 
text -->
+                <property name="margin-top">2</property> <!-- TODO hackish, alignment with first CheckButton 
text -->
                 <layout>
                   <property name="column">0</property>
                   <property name="row">1</property>
@@ -97,7 +97,7 @@
                 <property name="halign">start</property>
                 <property name="valign">start</property>
                 <child>
-                  <object class="GtkRadioButton" id="easy_radio_button">
+                  <object class="GtkCheckButton" id="easy_radio_button">
                     <property name="label" translatable="yes">_Easy</property>
                     <property name="use-underline">True</property>
                     <property name="hexpand">True</property>
@@ -105,7 +105,7 @@
                   </object>
                 </child>
                 <child>
-                  <object class="GtkRadioButton" id="medium_radio_button">
+                  <object class="GtkCheckButton" id="medium_radio_button">
                     <property name="label" translatable="yes">_Medium</property>
                     <property name="use-underline">True</property>
                     <property name="group">easy_radio_button</property>
@@ -114,7 +114,7 @@
                   </object>
                 </child>
                 <child>
-                  <object class="GtkRadioButton" id="hard_radio_button">
+                  <object class="GtkCheckButton" id="hard_radio_button">
                     <property name="label" translatable="yes">_Hard</property>
                     <property name="use-underline">True</property>
                     <property name="group">easy_radio_button</property>
@@ -123,7 +123,7 @@
                   </object>
                 </child>
                 <child>
-                  <object class="GtkRadioButton" id="very_hard_radio_button">
+                  <object class="GtkCheckButton" id="very_hard_radio_button">
                     <property name="label" translatable="yes">_Very Hard</property>
                     <property name="use-underline">True</property>
                     <property name="group">easy_radio_button</property>
diff --git a/src/print-dialog.vala b/src/print-dialog.vala
index ab75ac7..0846351 100644
--- a/src/print-dialog.vala
+++ b/src/print-dialog.vala
@@ -30,10 +30,10 @@ public class PrintDialog : Dialog
     [GtkChild] private Button print_button;
     [GtkChild] private Grid print_grid;
     [GtkChild] private SpinButton n_sudokus_button;
-    [GtkChild] private RadioButton easy_radio_button;
-    [GtkChild] private RadioButton medium_radio_button;
-    [GtkChild] private RadioButton hard_radio_button;
-    [GtkChild] private RadioButton very_hard_radio_button;
+    [GtkChild] private CheckButton easy_radio_button;
+    [GtkChild] private CheckButton medium_radio_button;
+    [GtkChild] private CheckButton hard_radio_button;
+    [GtkChild] private CheckButton very_hard_radio_button;
 
     private Revealer revealer;
     private Spinner spinner;