event-editor/time-selector: Port to GTK4

src/gui/event-editor/gcal-time-selector.c

@@ -103,7 +103,7 @@ on_output (GtkWidget        *widget,
   adjustment = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (widget));
   value = (gint) gtk_adjustment_get_value (adjustment);
   text = g_strdup_printf ("%02d", value);
-  gtk_entry_set_text (GTK_ENTRY (widget), text);
+  gtk_editable_set_text (GTK_EDITABLE (widget), text);
 
   g_free (text);
 

src/gui/event-editor/gcal-time-selector.ui

@@ -6,10 +6,7 @@
     <!-- Hour -->
     <child>
       <object class="GtkSpinButton" id="hour_spin">
-        <property name="visible">True</property>
-        <property name="can_focus">True</property>
         <property name="xalign">0.5</property>
-        <property name="input_purpose">number</property>
         <property name="orientation">vertical</property>
         <property name="adjustment">hour_adjustment</property>
         <signal name="output" handler="on_output" object="GcalTimeSelector" swapped="no"/>
@@ -18,7 +15,6 @@
 
     <child>
       <object class="GtkLabel" id="label1">
-        <property name="visible">True</property>
         <property name="label" translatable="yes">:</property>
       </object>
     </child>
@@ -26,10 +22,7 @@
     <!-- Minute -->
     <child>
       <object class="GtkSpinButton" id="minute_spin">
-        <property name="visible">True</property>
-        <property name="can_focus">True</property>
         <property name="xalign">0.5</property>
-        <property name="input_purpose">number</property>
         <property name="orientation">vertical</property>
         <property name="adjustment">minute_adjustment</property>
         <signal name="output" handler="on_output" object="GcalTimeSelector" swapped="no"/>
@@ -40,6 +33,7 @@
     <!-- AM/PM -->
     <child>
       <object class="GtkComboBoxText" id="period_combo">
+        <property name="visible">False</property>
         <property name="valign">center</property>
         <property name="active">0</property>
         <signal name="changed" handler="update_time" object="GcalTimeSelector" swapped="yes"/>