GladeProjectProperties: break project circular dependency

Do not use a GtkTreeModelFilter for the template combobox to avoid
adding a circular dependency to the project.

Implement it with a proxy model updated using project add/remove
widget signals.

1 files changed, 194 insertions, 146 deletions

diff --git a/gladeui/glade-project-properties.ui b/gladeui/glade-project-properties.ui
index a04798ea..f27bd925 100644
--- a/gladeui/glade-project-properties.ui
+++ b/gladeui/glade-project-properties.ui
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.2 
+<!-- Generated with glade 3.37.0 
 
 libgladeui - Glade UI Designer core library
 Copyright (C) 	2013 Tristan Van Berkom <tvb@gnome.org>
@@ -48,34 +48,43 @@ Authors:
   <object class="GtkEntryBuffer" id="description_entrybuffer"/>
   <object class="GtkTextBuffer" id="license_textbuffer"/>
   <object class="GtkEntryBuffer" id="name_entrybuffer"/>
+  <object class="GtkListStore" id="toplevels">
+    <columns>
+      <!-- column-name icon-name -->
+      <column type="gchararray"/>
+      <!-- column-name name -->
+      <column type="gchararray"/>
+      <!-- column-name id -->
+      <column type="gchararray"/>
+      <!-- column-name widget -->
+      <column type="GObject"/>
+    </columns>
+  </object>
   <template class="GladeProjectProperties" parent="GtkDialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">5</property>
-    <property name="type_hint">dialog</property>
+    <property name="can-focus">False</property>
+    <property name="border-width">5</property>
+    <property name="type-hint">dialog</property>
     <signal name="delete-event" handler="gtk_widget_hide_on_delete" swapped="no"/>
     <signal name="hide" handler="on_glade_project_properties_hide" swapped="no"/>
     <signal name="response" handler="gtk_widget_hide" swapped="no"/>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
     <child internal-child="vbox">
       <object class="GtkBox" id="dialog-vbox1">
-        <property name="can_focus">False</property>
+        <property name="can-focus">False</property>
         <property name="orientation">vertical</property>
         <property name="spacing">4</property>
         <child internal-child="action_area">
           <object class="GtkButtonBox" id="dialog-action_area1">
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
+            <property name="can-focus">False</property>
+            <property name="layout-style">end</property>
             <child>
               <object class="GtkButton" id="verify_button">
                 <property name="label" translatable="yes">_Verify</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">False</property>
-                <property name="tooltip_text" translatable="yes">Verify that the project does not use any properties,
+                <property name="can-focus">True</property>
+                <property name="receives-default">False</property>
+                <property name="tooltip-text" translatable="yes">Verify that the project does not use any properties,
 signals or widgets which are not available in the target version</property>
-                <property name="use_underline">True</property>
+                <property name="use-underline">True</property>
                 <signal name="clicked" handler="verify_clicked" swapped="no"/>
               </object>
               <packing>
@@ -89,9 +98,9 @@ signals or widgets which are not available in the target version</property>
               <object class="GtkButton" id="close_button">
                 <property name="label">_Close</property>
                 <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-                <property name="use_stock">True</property>
+                <property name="can-focus">True</property>
+                <property name="receives-default">True</property>
+                <property name="use-underline">True</property>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -103,68 +112,71 @@ signals or widgets which are not available in the target version</property>
           <packing>
             <property name="expand">False</property>
             <property name="fill">True</property>
-            <property name="pack_type">end</property>
+            <property name="pack-type">end</property>
             <property name="position">6</property>
           </packing>
         </child>
         <child>
           <object class="GtkNotebook" id="notebook">
             <property name="visible">True</property>
-            <property name="can_focus">True</property>
+            <property name="can-focus">True</property>
             <child>
               <object class="GtkBox" id="box1">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="border_width">5</property>
+                <property name="can-focus">False</property>
+                <property name="border-width">5</property>
                 <property name="orientation">vertical</property>
                 <property name="spacing">6</property>
                 <child>
                   <object class="GtkFrame" id="frame1">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label_xalign">0</property>
-                    <property name="shadow_type">none</property>
+                    <property name="can-focus">False</property>
+                    <property name="label-xalign">0</property>
+                    <property name="shadow-type">none</property>
                     <child>
+                      <!-- n-columns=3 n-rows=3 -->
                       <object class="GtkGrid" id="grid2">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="margin_left">12</property>
-                        <property name="margin_top">6</property>
-                        <property name="row_spacing">4</property>
-                        <property name="column_spacing">4</property>
-                        <property name="row_homogeneous">True</property>
+                        <property name="can-focus">False</property>
+                        <property name="margin-start">12</property>
+                        <property name="margin-top">6</property>
+                        <property name="row-spacing">4</property>
+                        <property name="column-spacing">4</property>
+                        <property name="row-homogeneous">True</property>
                         <child>
                           <object class="GtkLabel" id="label1">
                             <property name="visible">True</property>
-                            <property name="can_focus">False</property>
+                            <property name="can-focus">False</property>
                             <property name="halign">start</property>
                             <property name="label" translatable="yes">Translation domain:</property>
                             <property name="xalign">0</property>
                           </object>
                           <packing>
-                            <property name="left_attach">0</property>
-                            <property name="top_attach">0</property>
+                            <property name="left-attach">0</property>
+                            <property name="top-attach">0</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkEntry" id="domain_entry">
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
+                            <property name="can-focus">True</property>
                             <property name="hexpand">True</property>
-                            <property name="invisible_char">●</property>
+                            <property name="invisible-char">●</property>
                             <signal name="changed" handler="on_domain_entry_changed" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">1</property>
-                            <property name="top_attach">0</property>
+                            <property name="left-attach">1</property>
+                            <property name="top-attach">0</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkComboBox" id="template_combobox">
                             <property name="visible">True</property>
                             <property name="sensitive">False</property>
-                            <property name="can_focus">False</property>
+                            <property name="can-focus">False</property>
                             <property name="hexpand">True</property>
+                            <property name="model">toplevels</property>
+                            <property name="id-column">2</property>
                             <signal name="changed" handler="on_template_combo_box_changed" swapped="no"/>
                             <child>
                               <object class="GtkCellRendererPixbuf" id="cellrenderertext1"/>
@@ -180,53 +192,62 @@ signals or widgets which are not available in the target version</property>
                             </child>
                           </object>
                           <packing>
-                            <property name="left_attach">1</property>
-                            <property name="top_attach">1</property>
+                            <property name="left-attach">1</property>
+                            <property name="top-attach">1</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkCheckButton" id="template_checkbutton">
                             <property name="label" translatable="yes">Composite template toplevel:</property>
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
+                            <property name="can-focus">True</property>
+                            <property name="receives-default">False</property>
                             <property name="halign">start</property>
-                            <property name="draw_indicator">True</property>
+                            <property name="draw-indicator">True</property>
                             <signal name="toggled" handler="on_template_checkbutton_toggled" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">0</property>
-                            <property name="top_attach">1</property>
+                            <property name="left-attach">0</property>
+                            <property name="top-attach">1</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkFileChooserButton" id="css_filechooser">
                             <property name="visible">True</property>
-                            <property name="can_focus">False</property>
+                            <property name="can-focus">False</property>
                             <property name="filter">css_filter</property>
                             <property name="title" translatable="yes">Select a CSS to use as custom style provider</property>
                             <signal name="file-set" handler="on_css_filechooser_file_set" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">1</property>
-                            <property name="top_attach">2</property>
+                            <property name="left-attach">1</property>
+                            <property name="top-attach">2</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkCheckButton" id="css_checkbutton">
                             <property name="label" translatable="yes">Custom CSS style provider:</property>
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
+                            <property name="can-focus">True</property>
+                            <property name="receives-default">False</property>
                             <property name="halign">start</property>
-                            <property name="draw_indicator">True</property>
+                            <property name="draw-indicator">True</property>
                             <signal name="toggled" handler="on_css_checkbutton_toggled" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">0</property>
-                            <property name="top_attach">2</property>
+                            <property name="left-attach">0</property>
+                            <property name="top-attach">2</property>
                           </packing>
                         </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
                       </object>
                     </child>
                     <child type="label_item">
@@ -242,31 +263,32 @@ signals or widgets which are not available in the target version</property>
                 <child>
                   <object class="GtkFrame" id="frame2">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label_xalign">0</property>
-                    <property name="shadow_type">none</property>
+                    <property name="can-focus">False</property>
+                    <property name="label-xalign">0</property>
+                    <property name="shadow-type">none</property>
                     <child>
+                      <!-- n-columns=3 n-rows=3 -->
                       <object class="GtkGrid" id="grid1">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="margin_left">12</property>
-                        <property name="margin_top">6</property>
-                        <property name="row_spacing">4</property>
-                        <property name="column_spacing">4</property>
+                        <property name="can-focus">False</property>
+                        <property name="margin-start">12</property>
+                        <property name="margin-top">6</property>
+                        <property name="row-spacing">4</property>
+                        <property name="column-spacing">4</property>
                         <child>
                           <object class="GtkRadioButton" id="resource_default_radio">
                             <property name="label" translatable="yes">From the project directory</property>
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
+                            <property name="can-focus">True</property>
+                            <property name="receives-default">False</property>
                             <property name="halign">start</property>
                             <property name="active">True</property>
-                            <property name="draw_indicator">True</property>
+                            <property name="draw-indicator">True</property>
                             <signal name="toggled" handler="resource_default_toggled" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">0</property>
-                            <property name="top_attach">0</property>
+                            <property name="left-attach">0</property>
+                            <property name="top-attach">0</property>
                             <property name="width">2</property>
                           </packing>
                         </child>
@@ -274,70 +296,79 @@ signals or widgets which are not available in the target version</property>
                           <object class="GtkRadioButton" id="resource_relative_radio">
                             <property name="label" translatable="yes">From a project relative directory</property>
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
+                            <property name="can-focus">True</property>
+                            <property name="receives-default">False</property>
                             <property name="halign">start</property>
                             <property name="active">True</property>
-                            <property name="draw_indicator">True</property>
+                            <property name="draw-indicator">True</property>
                             <property name="group">resource_default_radio</property>
                             <signal name="toggled" handler="resource_relative_toggled" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">0</property>
-                            <property name="top_attach">1</property>
+                            <property name="left-attach">0</property>
+                            <property name="top-attach">1</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkRadioButton" id="resource_fullpath_radio">
                             <property name="label" translatable="yes">From this directory</property>
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="receives_default">False</property>
+                            <property name="can-focus">True</property>
+                            <property name="receives-default">False</property>
                             <property name="halign">start</property>
                             <property name="active">True</property>
-                            <property name="draw_indicator">True</property>
+                            <property name="draw-indicator">True</property>
                             <property name="group">resource_default_radio</property>
                             <signal name="toggled" handler="resource_fullpath_toggled" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">0</property>
-                            <property name="top_attach">2</property>
+                            <property name="left-attach">0</property>
+                            <property name="top-attach">2</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkFileChooserButton" id="full_path_button">
                             <property name="visible">True</property>
-                            <property name="can_focus">False</property>
+                            <property name="can-focus">False</property>
                             <property name="hexpand">True</property>
                             <property name="action">select-folder</property>
                             <property name="title" translatable="yes">Choose a path to load image resources</property>
                             <signal name="file-set" handler="resource_full_path_set" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">1</property>
-                            <property name="top_attach">2</property>
+                            <property name="left-attach">1</property>
+                            <property name="top-attach">2</property>
                           </packing>
                         </child>
                         <child>
                           <object class="GtkEntry" id="relative_path_entry">
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
+                            <property name="can-focus">True</property>
                             <property name="hexpand">True</property>
-                            <property name="invisible_char">●</property>
+                            <property name="invisible-char">●</property>
                             <signal name="changed" handler="on_relative_path_entry_changed" swapped="no"/>
                             <signal name="insert-text" handler="on_relative_path_entry_insert_text" swapped="no"/>
                           </object>
                           <packing>
-                            <property name="left_attach">1</property>
-                            <property name="top_attach">1</property>
+                            <property name="left-attach">1</property>
+                            <property name="top-attach">1</property>
                           </packing>
                         </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
+                        <child>
+                          <placeholder/>
+                        </child>
                       </object>
                     </child>
                     <child type="label">
                       <object class="GtkLabel" id="label2">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Image resources are loaded locally:</property>
                         <attributes>
                           <attribute name="weight" value="bold"/>
@@ -354,17 +385,18 @@ signals or widgets which are not available in the target version</property>
                 <child>
                   <object class="GtkFrame" id="frame3">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label_xalign">0</property>
-                    <property name="shadow_type">none</property>
+                    <property name="can-focus">False</property>
+                    <property name="label-xalign">0</property>
+                    <property name="shadow-type">none</property>
                     <child>
+                      <!-- n-columns=3 n-rows=3 -->
                       <object class="GtkGrid" id="toolkit_grid">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="margin_left">12</property>
-                        <property name="margin_top">6</property>
-                        <property name="row_spacing">4</property>
-                        <property name="column_spacing">4</property>
+                        <property name="can-focus">False</property>
+                        <property name="margin-start">12</property>
+                        <property name="margin-top">6</property>
+                        <property name="row-spacing">4</property>
+                        <property name="column-spacing">4</property>
                         <child>
                           <placeholder/>
                         </child>
@@ -397,7 +429,7 @@ signals or widgets which are not available in the target version</property>
                     <child type="label">
                       <object class="GtkLabel" id="label3">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Toolkit version required:</property>
                         <attributes>
                           <attribute name="weight" value="bold"/>
@@ -416,162 +448,163 @@ signals or widgets which are not available in the target version</property>
             <child type="tab">
               <object class="GtkLabel" id="label5">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="label" translatable="yes">Properties</property>
-                <property name="use_markup">True</property>
+                <property name="use-markup">True</property>
                 <attributes>
                   <attribute name="weight" value="bold"/>
                 </attributes>
               </object>
               <packing>
-                <property name="tab_fill">False</property>
+                <property name="tab-fill">False</property>
               </packing>
             </child>
             <child>
               <object class="GtkBox" id="box3">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_left">12</property>
-                <property name="margin_right">6</property>
-                <property name="margin_top">6</property>
-                <property name="margin_bottom">6</property>
+                <property name="can-focus">False</property>
+                <property name="margin-start">12</property>
+                <property name="margin-end">6</property>
+                <property name="margin-top">6</property>
+                <property name="margin-bottom">6</property>
                 <property name="orientation">vertical</property>
                 <property name="spacing">6</property>
                 <child>
+                  <!-- n-columns=3 n-rows=5 -->
                   <object class="GtkGrid" id="grid3">
                     <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="row_spacing">6</property>
-                    <property name="column_spacing">6</property>
+                    <property name="can-focus">False</property>
+                    <property name="row-spacing">6</property>
+                    <property name="column-spacing">6</property>
                     <child>
                       <object class="GtkLabel" id="label7">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Name:</property>
                         <property name="xalign">0</property>
                       </object>
                       <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">0</property>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">0</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label8">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Copyright:</property>
                         <property name="xalign">0</property>
                       </object>
                       <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">2</property>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">2</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkEntry" id="name_entry">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
+                        <property name="can-focus">True</property>
                         <property name="hexpand">True</property>
                         <property name="buffer">name_entrybuffer</property>
-                        <property name="placeholder_text" translatable="yes">program or library name</property>
+                        <property name="placeholder-text" translatable="yes">program or library name</property>
                         <signal name="changed" handler="on_license_data_changed" swapped="yes"/>
                       </object>
                       <packing>
-                        <property name="left_attach">1</property>
-                        <property name="top_attach">0</property>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">0</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label9">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Author(s):</property>
                         <property name="xalign">0</property>
                       </object>
                       <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">3</property>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">3</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label6">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="label" translatable="yes">License:</property>
                         <property name="xalign">0</property>
                       </object>
                       <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">4</property>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">4</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkScrolledWindow" id="scrolledwindow2">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="shadow_type">in</property>
+                        <property name="can-focus">True</property>
+                        <property name="shadow-type">in</property>
                         <child>
                           <object class="GtkTextView" id="copyright_textview">
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
+                            <property name="can-focus">True</property>
                             <property name="buffer">copyright_textbuffer</property>
                           </object>
                         </child>
                       </object>
                       <packing>
-                        <property name="left_attach">1</property>
-                        <property name="top_attach">2</property>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">2</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkScrolledWindow" id="scrolledwindow3">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="shadow_type">in</property>
+                        <property name="can-focus">True</property>
+                        <property name="shadow-type">in</property>
                         <child>
                           <object class="GtkTextView" id="authors_textview">
                             <property name="visible">True</property>
-                            <property name="can_focus">True</property>
+                            <property name="can-focus">True</property>
                             <property name="buffer">authors_textbuffer</property>
                           </object>
                         </child>
                       </object>
                       <packing>
-                        <property name="left_attach">1</property>
-                        <property name="top_attach">3</property>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">3</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkLabel" id="label10">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Description:</property>
-                        <property name="max_width_chars">5</property>
+                        <property name="max-width-chars">5</property>
                         <property name="xalign">0</property>
                       </object>
                       <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">1</property>
+                        <property name="left-attach">0</property>
+                        <property name="top-attach">1</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkEntry" id="description_entry">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
+                        <property name="can-focus">True</property>
                         <property name="hexpand">True</property>
                         <property name="buffer">description_entrybuffer</property>
-                        <property name="placeholder_text" translatable="yes">program or library short description</property>
+                        <property name="placeholder-text" translatable="yes">program or library short description</property>
                         <signal name="changed" handler="on_license_data_changed" swapped="yes"/>
                       </object>
                       <packing>
-                        <property name="left_attach">1</property>
-                        <property name="top_attach">1</property>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">1</property>
                       </packing>
                     </child>
                     <child>
                       <object class="GtkComboBoxText" id="license_comboboxtext">
                         <property name="visible">True</property>
-                        <property name="can_focus">False</property>
+                        <property name="can-focus">False</property>
                         <property name="active">0</property>
                         <items>
                           <item id="other" translatable="yes">Other</item>
@@ -588,10 +621,25 @@ signals or widgets which are not available in the target version</property>
                         <signal name="changed" handler="on_license_comboboxtext_changed" swapped="no"/>
                       </object>
                       <packing>
-                        <property name="left_attach">1</property>
-                        <property name="top_attach">4</property>
+                        <property name="left-attach">1</property>
+                        <property name="top-attach">4</property>
                       </packing>
                     </child>
+                    <child>
+                      <placeholder/>
+                    </child>
+                    <child>
+                      <placeholder/>
+                    </child>
+                    <child>
+                      <placeholder/>
+                    </child>
+                    <child>
+                      <placeholder/>
+                    </child>
+                    <child>
+                      <placeholder/>
+                    </child>
                   </object>
                   <packing>
                     <property name="expand">False</property>
@@ -602,14 +650,14 @@ signals or widgets which are not available in the target version</property>
                 <child>
                   <object class="GtkScrolledWindow" id="scrolledwindow1">
                     <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="can-focus">True</property>
                     <property name="hexpand">True</property>
                     <property name="vexpand">True</property>
-                    <property name="shadow_type">in</property>
+                    <property name="shadow-type">in</property>
                     <child>
                       <object class="GtkTextView" id="license_textview">
                         <property name="visible">True</property>
-                        <property name="can_focus">True</property>
+                        <property name="can-focus">True</property>
                         <property name="hexpand">True</property>
                         <property name="vexpand">True</property>
                         <property name="editable">False</property>
@@ -631,7 +679,7 @@ signals or widgets which are not available in the target version</property>
             <child type="tab">
               <object class="GtkLabel" id="label4">
                 <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can-focus">False</property>
                 <property name="label" translatable="yes">License</property>
                 <attributes>
                   <attribute name="weight" value="bold"/>
@@ -639,7 +687,7 @@ signals or widgets which are not available in the target version</property>
               </object>
               <packing>
                 <property name="position">1</property>
-                <property name="tab_fill">False</property>
+                <property name="tab-fill">False</property>
               </packing>
             </child>
           </object>