Deprecate GtkLockButton

This is a very specialized widget, and should really just
live with the applications where it is used.

demos/widget-factory/widget-factory.c

@@ -2432,6 +2432,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS
   widget = (GtkWidget *)gtk_builder_get_object (builder, "record_button");
   g_object_set_data (G_OBJECT (window), "record_button", widget);
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
   widget = (GtkWidget *)gtk_builder_get_object (builder, "lockbox");
   widget2 = (GtkWidget *)gtk_builder_get_object (builder, "lockbutton");
   g_object_set_data (G_OBJECT (window), "lockbutton", widget2);
@@ -2449,6 +2450,7 @@ G_GNUC_END_IGNORE_DEPRECATIONS
                           G_BINDING_SYNC_CREATE);
   gtk_lock_button_set_permission (GTK_LOCK_BUTTON (widget2), permission);
   g_object_unref (permission);
+G_GNUC_END_IGNORE_DEPRECATIONS
 
   widget = (GtkWidget *)gtk_builder_get_object (builder, "iconview1");
   widget2 = (GtkWidget *)gtk_builder_get_object (builder, "increase_button");

docs/reference/gtk/migrating-4to5.md

@@ -114,3 +114,8 @@ Instead of gtk_show_uri(), you should use GtkUriLauncher or GtkFileLauncher.
 
 This is an oldfashioned widget that does not do all that much anymore, since
 it no longer has a resize handle for the window.
+
+## GtkLockButton is going away
+
+This is an very specialized widget that should better live with the application
+where it is used.

gtk/deprecated/gtklockbutton.c

@@ -28,6 +28,8 @@
 #include "gtkstack.h"
 #include "gtkprivate.h"
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+
 /**
  * GtkLockButton:
  *

gtk/deprecated/gtklockbutton.h

@@ -32,11 +32,11 @@ typedef struct _GtkLockButton        GtkLockButton;
 
 GDK_AVAILABLE_IN_ALL
 GType        gtk_lock_button_get_type       (void) G_GNUC_CONST;
-GDK_AVAILABLE_IN_ALL
+GDK_DEPRECATED_IN_4_10
 GtkWidget   *gtk_lock_button_new            (GPermission   *permission);
-GDK_AVAILABLE_IN_ALL
+GDK_DEPRECATED_IN_4_10
 GPermission *gtk_lock_button_get_permission (GtkLockButton *button);
-GDK_AVAILABLE_IN_ALL
+GDK_DEPRECATED_IN_4_10
 void         gtk_lock_button_set_permission (GtkLockButton *button,
                                              GPermission   *permission);
 

gtk/deprecated/meson.build

@@ -31,6 +31,7 @@ gtk_deprecated_sources = [
   'deprecated/gtkiconview.c',
   'deprecated/gtkinfobar.c',
   'deprecated/gtkliststore.c',
+  'deprecated/gtklockbutton.c',
   'deprecated/gtkrender.c',
   'deprecated/gtkshow.c',
   'deprecated/gtkstatusbar.c',
@@ -88,6 +89,7 @@ gtk_deprecated_headers = [
   'deprecated/gtkiconview.h',
   'deprecated/gtkinfobar.h',
   'deprecated/gtkliststore.h',
+  'deprecated/gtklockbutton.h',
   'deprecated/gtkmessagedialog.h',
   'deprecated/gtkrender.h',
   'deprecated/gtkshow.h',

gtk/gtk.h

@@ -177,7 +177,7 @@
 #include <gtk/gtklistitemfactory.h>
 #include <gtk/deprecated/gtkliststore.h>
 #include <gtk/gtklistview.h>
-#include <gtk/gtklockbutton.h>
+#include <gtk/deprecated/gtklockbutton.h>
 #include <gtk/gtkmain.h>
 #include <gtk/gtkmaplistmodel.h>
 #include <gtk/gtkmediacontrols.h>

gtk/meson.build

@@ -276,7 +276,6 @@ gtk_public_sources = files([
   'gtklistitemwidget.c',
   'gtklistlistmodel.c',
   'gtklistview.c',
-  'gtklockbutton.c',
   'gtkmain.c',
   'gtkmaplistmodel.c',
   'gtkmediacontrols.c',
@@ -520,7 +519,6 @@ gtk_public_headers = files([
   'gtklistitem.h',
   'gtklistitemfactory.h',
   'gtklistview.h',
-  'gtklockbutton.h',
   'gtkmain.h',
   'gtkmaplistmodel.h',
   'gtkmediacontrols.h',