inspector: show GLib version in Global tab

we also use glib_check_version() to inform if
there's a mismatch between runtime version
and compiled version.

gtk/inspector/general.c

@@ -84,6 +84,7 @@ struct _GtkInspectorGeneral
   GtkWidget *gl_box;
   GtkWidget *vulkan_box;
   GtkWidget *device_box;
+  GtkWidget *glib_version;
   GtkWidget *gtk_version;
   GtkWidget *gdk_backend;
   GtkWidget *gsk_renderer;
@@ -130,6 +131,7 @@ init_version (GtkInspectorGeneral *gen)
   GdkSurface *surface;
   GskRenderer *gsk_renderer;
   const char *renderer;
+  const char *glib_version_check;
 
 #ifdef GDK_WINDOWING_X11
   if (GDK_IS_X11_DISPLAY (gen->display))
@@ -173,6 +175,16 @@ init_version (GtkInspectorGeneral *gen)
   g_object_unref (gsk_renderer);
   gdk_surface_destroy (surface);
 
+  glib_version_check = glib_check_version (GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
+  if (glib_version_check)
+    gtk_label_set_text (GTK_LABEL (gen->glib_version), glib_version_check);
+  else
+    {
+      char *version = g_strdup_printf ("%u.%u.%u", GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
+      gtk_label_set_text (GTK_LABEL (gen->glib_version), version);
+      g_free (version);
+    }
+
   gtk_label_set_text (GTK_LABEL (gen->gtk_version), GTK_VERSION);
   gtk_label_set_text (GTK_LABEL (gen->gdk_backend), backend);
   gtk_label_set_text (GTK_LABEL (gen->gsk_renderer), renderer);
@@ -1185,6 +1197,7 @@ gtk_inspector_general_class_init (GtkInspectorGeneralClass *klass)
   gtk_widget_class_bind_template_child (widget_class, GtkInspectorGeneral, monitor_box);
   gtk_widget_class_bind_template_child (widget_class, GtkInspectorGeneral, gl_box);
   gtk_widget_class_bind_template_child (widget_class, GtkInspectorGeneral, vulkan_box);
+  gtk_widget_class_bind_template_child (widget_class, GtkInspectorGeneral, glib_version);
   gtk_widget_class_bind_template_child (widget_class, GtkInspectorGeneral, gtk_version);
   gtk_widget_class_bind_template_child (widget_class, GtkInspectorGeneral, gdk_backend);
   gtk_widget_class_bind_template_child (widget_class, GtkInspectorGeneral, gsk_renderer);

gtk/inspector/general.ui

@@ -20,6 +20,32 @@
                   <class name="rich-list"/>
                   <class name="boxed-list"/>
                 </style>
+                <child>
+                  <object class="GtkListBoxRow">
+                    <property name="activatable">0</property>
+                    <child>
+                      <object class="GtkBox">
+                        <property name="spacing">40</property>
+                        <child>
+                          <object class="GtkLabel" id="glib_version_label">
+                            <property name="label" translatable="yes">GLib Version</property>
+                            <property name="halign">start</property>
+                            <property name="valign">baseline</property>
+                            <property name="xalign">0.0</property>
+                          </object>
+                        </child>
+                        <child>
+                          <object class="GtkLabel" id="glib_version">
+                            <property name="selectable">1</property>
+                            <property name="halign">end</property>
+                            <property name="valign">baseline</property>
+                            <property name="hexpand">1</property>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
+                  </object>
+                </child>
                 <child>
                   <object class="GtkListBoxRow">
                     <property name="activatable">0</property>
@@ -735,6 +761,7 @@
   </template>
   <object class="GtkSizeGroup" id="labels">
     <widgets>
+      <widget name="glib_version_label"/>
       <widget name="gtk_version_label"/>
       <widget name="gdk_backend_label"/>
       <widget name="gsk_renderer_label"/>