[Xfce4-commits] [xfce/xfwm4] 02/32: Port most of GUI stuff to GTK3

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Tue Dec 5 09:21:48 CET 2017


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   in repository xfce/xfwm4.

commit 4c101f9b807fbd5e1067ca7254740a4ef1744e68
Author: Viktor Odintsev <zakhams at gmail.com>
Date:   Wed Jun 28 22:55:55 2017 +0300

    Port most of GUI stuff to GTK3
---
 helper-dialog/helper-dialog.c                 |   8 +-
 settings-dialogs/Makefile.am                  |  12 +-
 settings-dialogs/common.c                     |  46 ++++++++
 settings-dialogs/common.h                     |  29 +++++
 settings-dialogs/tweaks-settings.c            |  11 +-
 settings-dialogs/workspace-settings.c         |  13 ++-
 settings-dialogs/xfwm4-dialog.glade           | 102 ++++++++++-------
 settings-dialogs/xfwm4-settings.c             | 153 +++++++++++++++-----------
 settings-dialogs/xfwm4-tweaks-dialog.glade    |  87 +++++++++------
 settings-dialogs/xfwm4-workspace-dialog.glade |  24 ++--
 10 files changed, 329 insertions(+), 156 deletions(-)

diff --git a/helper-dialog/helper-dialog.c b/helper-dialog/helper-dialog.c
index 84d40b6..04a9c75 100644
--- a/helper-dialog/helper-dialog.c
+++ b/helper-dialog/helper-dialog.c
@@ -41,8 +41,10 @@ on_realize (GtkWidget *dialog,
 
     xid = (Window) GPOINTER_TO_INT (data);
     gdk_error_trap_push ();
-    XSetTransientForHint (gdk_display, GDK_WINDOW_XID (dialog->window), xid);
-    gdk_error_trap_pop ();
+    XSetTransientForHint (gdk_x11_get_default_xdisplay (),
+                          GDK_WINDOW_XID (gtk_widget_get_window (dialog)),
+                          xid);
+    gdk_error_trap_pop_ignored ();
 }
 
 int
@@ -85,7 +87,7 @@ main (int argc, char **argv)
                                        "Do you want to terminate the application?"));
 
     gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_NO);
-    gtk_widget_set (GTK_WIDGET (dialog), "secondary-text", title, NULL);
+    g_object_set (GTK_WIDGET (dialog), "secondary-text", title, NULL);
     gtk_window_set_title (GTK_WINDOW (dialog), _("Warning"));
     g_signal_connect (G_OBJECT (dialog), "realize",
                       G_CALLBACK (on_realize), (gpointer) GINT_TO_POINTER (xid));
diff --git a/settings-dialogs/Makefile.am b/settings-dialogs/Makefile.am
index 424c482..4d96f2c 100644
--- a/settings-dialogs/Makefile.am
+++ b/settings-dialogs/Makefile.am
@@ -6,7 +6,9 @@ bin_PROGRAMS = \
 xfwm4_workspace_settings_SOURCES = \
 	workspace-settings.c \
 	xfwm4-workspace-dialog_ui.h \
-	monitor-icon.h
+	monitor-icon.h \
+	common.c \
+	common.h
 
 xfwm4_workspace_settings_CFLAGS = \
 	$(GTK_CFLAGS) \
@@ -33,7 +35,9 @@ xfwm4_workspace_settings_LDADD = \
 xfwm4_settings_SOURCES = \
 	xfwm4-settings.c \
 	xfwm4-settings.h \
-	xfwm4-dialog_ui.h
+	xfwm4-dialog_ui.h \
+	common.c \
+	common.h
 
 xfwm4_settings_CFLAGS = \
 	$(GTK_CFLAGS) \
@@ -56,7 +60,9 @@ xfwm4_settings_LDADD = \
 
 xfwm4_tweaks_settings_SOURCES = \
 	tweaks-settings.c \
-	xfwm4-tweaks-dialog_ui.h
+	xfwm4-tweaks-dialog_ui.h \
+	common.c \
+	common.h
 
 xfwm4_tweaks_settings_CFLAGS = \
 	$(GTK_CFLAGS) \
diff --git a/settings-dialogs/common.c b/settings-dialogs/common.c
new file mode 100644
index 0000000..2868108
--- /dev/null
+++ b/settings-dialogs/common.c
@@ -0,0 +1,46 @@
+/* vi:set sw=2 sts=2 ts=2 et ai tw=100: */
+/*-
+ * Copyright (c) 2017 Viktor Odintsev <zakhams at gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <gtk/gtk.h>
+
+
+
+void
+xfwm_widget_reparent (GtkWidget *widget,
+                      GtkWidget *new_parent)
+{
+  GtkWidget *old_parent;
+
+  g_return_if_fail (GTK_IS_WIDGET (widget));
+  g_return_if_fail (GTK_IS_CONTAINER (new_parent));
+
+  old_parent = gtk_widget_get_parent (widget);
+
+  g_return_if_fail (old_parent != NULL);
+
+  if (old_parent != new_parent)
+    {
+      g_object_ref (widget);
+      gtk_container_remove (GTK_CONTAINER (old_parent), widget);
+      gtk_container_add (GTK_CONTAINER (new_parent), widget);
+      g_object_unref (widget);
+    }
+}
+
diff --git a/settings-dialogs/common.h b/settings-dialogs/common.h
new file mode 100644
index 0000000..ea8e59f
--- /dev/null
+++ b/settings-dialogs/common.h
@@ -0,0 +1,29 @@
+/* vi:set sw=2 sts=2 ts=2 et ai tw=100: */
+/*-
+ * Copyright (c) 2017 Viktor Odintsev <zakhams at gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#ifndef __COMMON_H__
+#define __COMMON_H__
+
+#include <gtk/gtk.h>
+
+void              xfwm_widget_reparent                  (GtkWidget *widget,
+                                                         GtkWidget *new_parent);
+
+#endif /* !__COMMON_H__ */
diff --git a/settings-dialogs/tweaks-settings.c b/settings-dialogs/tweaks-settings.c
index 95755ac..d3b45c5 100644
--- a/settings-dialogs/tweaks-settings.c
+++ b/settings-dialogs/tweaks-settings.c
@@ -38,12 +38,15 @@
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
+#include <gtk/gtkx.h>
 
 #include <libxfce4ui/libxfce4ui.h>
 #include <xfconf/xfconf.h>
+
 #include "xfwm4-tweaks-dialog_ui.h"
+#include "common.h"
 
-static GdkNativeWindow opt_socket_id = 0;
+static Window opt_socket_id = 0;
 static gboolean opt_version = FALSE;
 
 static const gchar *const modifier_list[] = {
@@ -521,7 +524,7 @@ main (int argc, gchar **argv)
             g_signal_connect (dialog, "response", G_CALLBACK (wm_tweaks_dialog_response), NULL);
 
             /* To prevent the settings dialog to be saved in the session */
-            gdk_set_sm_client_id ("FAKE ID");
+            gdk_x11_set_sm_client_id ("FAKE ID");
 
             gtk_main ();
 
@@ -536,11 +539,11 @@ main (int argc, gchar **argv)
 
             /* Get plug child widget */
             plug_child = GTK_WIDGET (gtk_builder_get_object (builder, "plug-child"));
-            gtk_widget_reparent (plug_child, plug);
+            xfwm_widget_reparent (plug_child, plug);
             gtk_widget_show (plug_child);
 
             /* To prevent the settings dialog to be saved in the session */
-            gdk_set_sm_client_id ("FAKE ID");
+            gdk_x11_set_sm_client_id ("FAKE ID");
 
             /* Stop startup notification */
             gdk_notify_startup_complete ();
diff --git a/settings-dialogs/workspace-settings.c b/settings-dialogs/workspace-settings.c
index 5b1ca4d..2e93967 100644
--- a/settings-dialogs/workspace-settings.c
+++ b/settings-dialogs/workspace-settings.c
@@ -26,22 +26,27 @@
 #include <string.h>
 
 #include <glib.h>
+#include <gdk/gdkx.h>
 #include <gtk/gtk.h>
+#include <gtk/gtkx.h>
+
 #include <dbus/dbus-glib.h>
 #include <libwnck/libwnck.h>
 
 #include <libxfce4util/libxfce4util.h>
 #include <libxfce4ui/libxfce4ui.h>
 #include <xfconf/xfconf.h>
+
 #include "xfwm4-workspace-dialog_ui.h"
 #include "monitor-icon.h"
+#include "common.h"
 
 #define WORKSPACES_CHANNEL         "xfwm4"
 
 #define WORKSPACE_NAMES_PROP       "/general/workspace_names"
 #define WORKSPACE_COUNT_PROP       "/general/workspace_count"
 
-static GdkNativeWindow opt_socket_id = 0;
+static Window opt_socket_id = 0;
 static gboolean opt_version = FALSE;
 
 
@@ -435,7 +440,7 @@ main(int argc, gchar **argv)
             g_signal_connect (dialog, "response", G_CALLBACK (workspace_dialog_response), NULL);
 
             /* To prevent the settings dialog to be saved in the session */
-            gdk_set_sm_client_id ("FAKE ID");
+            gdk_x11_set_sm_client_id ("FAKE ID");
 
             gtk_main ();
 
@@ -448,11 +453,11 @@ main(int argc, gchar **argv)
 
             /* Get plug child widget */
             plug_child = GTK_WIDGET (gtk_builder_get_object (builder, "plug-child"));
-            gtk_widget_reparent (plug_child, plug);
+            xfwm_widget_reparent (plug_child, plug);
             gtk_widget_show (plug_child);
 
             /* To prevent the settings dialog to be saved in the session */
-            gdk_set_sm_client_id ("FAKE ID");
+            gdk_x11_set_sm_client_id ("FAKE ID");
 
             /* Stop startup notification */
             gdk_notify_startup_complete ();
diff --git a/settings-dialogs/xfwm4-dialog.glade b/settings-dialogs/xfwm4-dialog.glade
index f06460b..c848b28 100644
--- a/settings-dialogs/xfwm4-dialog.glade
+++ b/settings-dialogs/xfwm4-dialog.glade
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
-  <requires lib="gtk+" version="2.24"/>
-  <!-- interface-requires libxfce4ui 4.5 -->
+  <requires lib="gtk+" version="3.20"/>
+  <!-- interface-requires libxfce4ui-2 4.5 -->
   <!-- interface-naming-policy toplevel-contextual -->
   <object class="GtkAdjustment" id="adjustment1">
     <property name="lower">5</property>
@@ -39,13 +39,15 @@
     <property name="type_hint">dialog</property>
     <property name="subtitle" translatable="yes">Configure window behavior and shortcuts</property>
     <child internal-child="vbox">
-      <object class="GtkVBox" id="main-vbox">
+      <object class="GtkBox" id="main-vbox">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
         <child internal-child="action_area">
-          <object class="GtkHButtonBox" id="dialog-action_area1">
+          <object class="GtkButtonBox" id="dialog-action_area1">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
+            <property name="orientation">horizontal</property>
             <property name="layout_style">end</property>
             <child>
               <object class="GtkButton" id="help_button">
@@ -92,9 +94,10 @@
             <property name="can_focus">True</property>
             <property name="border_width">6</property>
             <child>
-              <object class="GtkHBox" id="hbox7">
+              <object class="GtkBox" id="hbox7">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">horizontal</property>
                 <property name="border_width">12</property>
                 <property name="spacing">12</property>
                 <child>
@@ -145,9 +148,10 @@
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkVBox" id="vbox12">
+                  <object class="GtkBox" id="vbox12">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="orientation">vertical</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkFrame" id="frame10">
@@ -240,9 +244,10 @@
                             <property name="bottom_padding">6</property>
                             <property name="left_padding">12</property>
                             <child>
-                              <object class="GtkVBox" id="vbox13">
+                              <object class="GtkBox" id="vbox13">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">vertical</property>
                                 <property name="border_width">6</property>
                                 <property name="spacing">6</property>
                                 <child>
@@ -269,9 +274,11 @@
                                         <property name="can_focus">False</property>
                                         <property name="border_width">6</property>
                                         <child>
-                                          <object class="GtkHBox" id="active-box">
+                                          <object class="GtkBox" id="active-box">
                                             <property name="visible">True</property>
                                             <property name="can_focus">False</property>
+                                            <property name="orientation">horizontal</property>
+                                            <property name="spacing">6</property>
                                             <child>
                                               <object class="GtkButton" id="button-layout-|">
                                                 <property name="label" translatable="yes">Title</property>
@@ -317,9 +324,10 @@
                                         <property name="can_focus">False</property>
                                         <property name="border_width">6</property>
                                         <child>
-                                          <object class="GtkHBox" id="hidden-box">
+                                          <object class="GtkBox" id="hidden-box">
                                             <property name="visible">True</property>
                                             <property name="can_focus">False</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="spacing">6</property>
                                             <child>
                                               <object class="GtkButton" id="button-layout-O">
@@ -506,9 +514,10 @@
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox10">
+              <object class="GtkBox" id="vbox10">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -527,9 +536,10 @@
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkVBox" id="vbox11">
+                  <object class="GtkBox" id="vbox11">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="orientation">vertical</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkScrolledWindow" id="scrolledwindow2">
@@ -568,9 +578,10 @@
                     <property name="yalign">0</property>
                     <property name="xscale">0</property>
                     <child>
-                      <object class="GtkHBox" id="hbox5">
+                      <object class="GtkBox" id="hbox5">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
+                        <property name="orientation">horizontal</property>
                         <property name="spacing">6</property>
                         <child>
                           <object class="GtkButton" id="shortcuts_edit_button">
@@ -646,9 +657,10 @@
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox7">
+              <object class="GtkBox" id="vbox7">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -665,14 +677,16 @@
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">12</property>
                         <child>
-                          <object class="GtkVBox" id="vbox14">
+                          <object class="GtkBox" id="vbox14">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <child>
-                              <object class="GtkHBox" id="hbox3">
+                              <object class="GtkBox" id="hbox3">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">horizontal</property>
                                 <property name="spacing">12</property>
                                 <property name="homogeneous">True</property>
                                 <child>
@@ -737,9 +751,10 @@
                                 <property name="can_focus">False</property>
                                 <property name="left_padding">12</property>
                                 <child>
-                                  <object class="GtkHBox" id="focus_delay_hbox">
+                                  <object class="GtkBox" id="focus_delay_hbox">
                                     <property name="visible">True</property>
                                     <property name="can_focus">False</property>
+                                    <property name="orientation">horizontal</property>
                                     <property name="spacing">12</property>
                                     <child>
                                       <object class="GtkLabel" id="label30">
@@ -755,10 +770,10 @@
                                       </packing>
                                     </child>
                                     <child>
-                                      <object class="GtkHScale" id="focus_delay_scale">
+                                      <object class="GtkScale" id="focus_delay_scale">
                                         <property name="visible">True</property>
                                         <property name="can_focus">True</property>
-                                        <property name="update_policy">discontinuous</property>
+                                        <property name="orientation">horizontal</property>
                                         <property name="adjustment">adjustment1</property>
                                         <property name="draw_value">False</property>
                                       </object>
@@ -864,9 +879,10 @@
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">12</property>
                         <child>
-                          <object class="GtkVBox" id="vbox8">
+                          <object class="GtkBox" id="vbox8">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <child>
                               <object class="GtkCheckButton" id="raise_on_focus_check">
@@ -885,9 +901,10 @@
                               </packing>
                             </child>
                             <child>
-                              <object class="GtkVBox" id="vbox9">
+                              <object class="GtkBox" id="vbox9">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">vertical</property>
                                 <property name="spacing">6</property>
                                 <child>
                                   <object class="GtkLabel" id="label19">
@@ -910,9 +927,10 @@
                                     <property name="can_focus">False</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox4">
+                                      <object class="GtkBox" id="hbox4">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <property name="spacing">12</property>
                                         <child>
                                           <object class="GtkLabel" id="label20">
@@ -928,10 +946,10 @@
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="focus_raise_delay_scale">
+                                          <object class="GtkScale" id="focus_raise_delay_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment2</property>
                                             <property name="draw_value">False</property>
                                           </object>
@@ -1048,9 +1066,10 @@
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox1">
+              <object class="GtkBox" id="vbox1">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -1067,14 +1086,16 @@
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">12</property>
                         <child>
-                          <object class="GtkVBox" id="vbox2">
+                          <object class="GtkBox" id="vbox2">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <child>
-                              <object class="GtkHBox" id="hbox8">
+                              <object class="GtkBox" id="hbox8">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">horizontal</property>
                                 <child>
                                   <object class="GtkCheckButton" id="snap_to_border_check">
                                     <property name="label" translatable="yes">To screen _borders</property>
@@ -1115,9 +1136,10 @@
                               </packing>
                             </child>
                             <child>
-                              <object class="GtkVBox" id="vbox5">
+                              <object class="GtkBox" id="vbox5">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">vertical</property>
                                 <property name="spacing">6</property>
                                 <child>
                                   <object class="GtkLabel" id="label9">
@@ -1140,9 +1162,10 @@
                                     <property name="can_focus">False</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox1">
+                                      <object class="GtkBox" id="hbox1">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <property name="spacing">12</property>
                                         <child>
                                           <object class="GtkLabel" id="label11">
@@ -1158,10 +1181,10 @@
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="snap_width_scale">
+                                          <object class="GtkScale" id="snap_width_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment3</property>
                                             <property name="restrict_to_fill_level">False</property>
                                             <property name="draw_value">False</property>
@@ -1234,14 +1257,16 @@
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">12</property>
                         <child>
-                          <object class="GtkVBox" id="vbox4">
+                          <object class="GtkBox" id="vbox4">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">vertical</property>
                             <property name="spacing">6</property>
                             <child>
-                              <object class="GtkHBox" id="hbox9">
+                              <object class="GtkBox" id="hbox9">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">horizontal</property>
                                 <child>
                                   <object class="GtkCheckButton" id="wrap_workspaces_check">
                                     <property name="label" translatable="yes">With the mouse _pointer</property>
@@ -1282,9 +1307,10 @@
                               </packing>
                             </child>
                             <child>
-                              <object class="GtkVBox" id="vbox6">
+                              <object class="GtkBox" id="vbox6">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">vertical</property>
                                 <property name="spacing">6</property>
                                 <child>
                                   <object class="GtkLabel" id="label10">
@@ -1308,9 +1334,10 @@
                                     <property name="can_focus">False</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox2">
+                                      <object class="GtkBox" id="hbox2">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <property name="spacing">12</property>
                                         <child>
                                           <object class="GtkLabel" id="label13">
@@ -1326,10 +1353,10 @@
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="wrap_resistance_scale">
+                                          <object class="GtkScale" id="wrap_resistance_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment4</property>
                                             <property name="restrict_to_fill_level">False</property>
                                             <property name="draw_value">False</property>
@@ -1402,9 +1429,10 @@
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">12</property>
                         <child>
-                          <object class="GtkHBox" id="hbox6">
+                          <object class="GtkBox" id="hbox6">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">horizontal</property>
                             <child>
                               <object class="GtkCheckButton" id="box_move_check">
                                 <property name="label" translatable="yes">When _moving</property>
diff --git a/settings-dialogs/xfwm4-settings.c b/settings-dialogs/xfwm4-settings.c
index aeee962..45daa35 100644
--- a/settings-dialogs/xfwm4-settings.c
+++ b/settings-dialogs/xfwm4-settings.c
@@ -37,6 +37,7 @@
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
+#include <gtk/gtkx.h>
 
 #include <libxfce4util/libxfce4util.h>
 #include <libxfce4ui/libxfce4ui.h>
@@ -47,6 +48,7 @@
 
 #include "xfwm4-dialog_ui.h"
 #include "xfwm4-settings.h"
+#include "common.h"
 
 
 
@@ -132,6 +134,7 @@ static void       xfwm_settings_create_indicator                     (GtkWidget
                                                                       gint                  y,
                                                                       gint                  width,
                                                                       gint                  height);
+static gboolean   xfwm_settings_title_button_press_event             (GtkWidget            *widget);
 static void       xfwm_settings_title_button_drag_data               (GtkWidget            *widget,
                                                                       GdkDragContext       *drag_context,
                                                                       GtkSelectionData     *data,
@@ -235,7 +238,7 @@ static const MenuTemplate title_align_values[] = {
 
 
 static gboolean           opt_version = FALSE;
-static GdkNativeWindow    opt_socket_id = 0;
+static Window             opt_socket_id = 0;
 static GOptionEntry       opt_entries[] = {
   { "socket-id", 's', G_OPTION_FLAG_IN_MAIN, G_OPTION_ARG_INT, &opt_socket_id,
     N_("Settings manager socket"), N_("SOCKET ID") },
@@ -467,7 +470,7 @@ xfwm_settings_constructed (GObject *object)
         g_signal_connect (button, "drag_end", G_CALLBACK (xfwm_settings_title_button_drag_end),
                           NULL);
         g_signal_connect (button, "button_press_event",
-                          G_CALLBACK (xfwm_settings_signal_blocker), NULL);
+                          G_CALLBACK (xfwm_settings_title_button_press_event), NULL);
         g_signal_connect (button, "enter_notify_event",
                           G_CALLBACK (xfwm_settings_signal_blocker), NULL);
         g_signal_connect (button, "focus",  G_CALLBACK (xfwm_settings_signal_blocker), NULL);
@@ -490,7 +493,7 @@ xfwm_settings_constructed (GObject *object)
           g_signal_connect (button, "drag_end", G_CALLBACK (xfwm_settings_title_button_drag_end),
                             NULL);
           g_signal_connect (button, "button_press_event",
-                            G_CALLBACK (xfwm_settings_signal_blocker), NULL);
+                            G_CALLBACK (xfwm_settings_title_button_press_event), NULL);
           g_signal_connect (button, "enter_notify_event",
                             G_CALLBACK (xfwm_settings_signal_blocker), NULL);
           g_signal_connect (button, "focus",  G_CALLBACK (xfwm_settings_signal_blocker), NULL);
@@ -514,8 +517,8 @@ xfwm_settings_constructed (GObject *object)
 
   /* Set reset button icon */
   gtk_button_set_image (GTK_BUTTON (shortcuts_reset_button),
-                        gtk_image_new_from_stock (GTK_STOCK_REVERT_TO_SAVED,
-                                                  GTK_ICON_SIZE_BUTTON));
+                        gtk_image_new_from_icon_name ("document-revert",
+                                                      GTK_ICON_SIZE_BUTTON));
 
   /* Keyboard tab: Shortcuts tree view */
   {
@@ -842,7 +845,7 @@ xfwm_settings_create_dialog (XfwmSettings *settings)
 
 static GtkWidget *
 xfwm_settings_create_plug (XfwmSettings   *settings,
-                           GdkNativeWindow socket_id)
+                           Window          socket_id)
 {
   GtkWidget *plug;
   GtkWidget *child;
@@ -853,7 +856,7 @@ xfwm_settings_create_plug (XfwmSettings   *settings,
   gtk_widget_show (plug);
 
   child = GTK_WIDGET (gtk_builder_get_object (settings->priv->builder, "plug-child"));
-  gtk_widget_reparent (child, plug);
+  xfwm_widget_reparent (child, plug);
   gtk_widget_show (child);
 
   return plug;
@@ -944,7 +947,7 @@ main (int    argc,
       g_signal_connect (dialog, "response", G_CALLBACK (xfwm_settings_response), NULL);
 
       /* To prevent the settings dialog to be saved in the session */
-      gdk_set_sm_client_id ("FAKE ID");
+      gdk_x11_set_sm_client_id ("FAKE ID");
 
       gtk_main ();
 
@@ -956,7 +959,7 @@ main (int    argc,
       g_signal_connect (plug, "delete-event", G_CALLBACK (gtk_main_quit), NULL);
 
       /* To prevent the settings dialog to be saved in the session */
-      gdk_set_sm_client_id ("FAKE ID");
+      gdk_x11_set_sm_client_id ("FAKE ID");
 
       /* Stop startup notification */
       gdk_notify_startup_complete ();
@@ -1049,13 +1052,14 @@ xfwm_settings_active_frame_drag_data (GtkWidget        *widget,
                                       guint             timestamp,
                                       XfwmSettings     *settings)
 {
-  GtkWidget *source;
-  GtkWidget *parent;
-  GtkWidget *active_box;
-  GList     *children;
-  GList     *iter;
-  gint       xoffset;
-  gint       i;
+  GtkWidget     *source;
+  GtkWidget     *parent;
+  GtkWidget     *active_box;
+  GList         *children;
+  GList         *iter;
+  GtkAllocation  allocation;
+  gint           xoffset;
+  gint           i;
 
   g_return_if_fail (XFWM_IS_SETTINGS (settings));
 
@@ -1070,17 +1074,20 @@ xfwm_settings_active_frame_drag_data (GtkWidget        *widget,
   gtk_box_pack_start (GTK_BOX (active_box), source, info == 3, info == 3, 0);
   g_object_unref (source);
 
-  xoffset = widget->allocation.x;
+  gtk_widget_get_allocation (widget, &allocation);
+
+  xoffset = allocation.x;
 
   children = gtk_container_get_children (GTK_CONTAINER (active_box));
 
   for (i = 0, iter = children; iter != NULL; ++i, iter = g_list_next (iter))
-    if (GTK_WIDGET_VISIBLE (iter->data))
-      if (x < (GTK_WIDGET (iter->data)->allocation.width / 2 +
-               GTK_WIDGET (iter->data)->allocation.x - xoffset))
-        {
+    if (gtk_widget_get_visible (GTK_WIDGET (iter->data)))
+      {
+        gtk_widget_get_allocation (GTK_WIDGET (iter->data), &allocation);
+
+        if (x < allocation.width / 2 + allocation.x - xoffset)
           break;
-        }
+      }
 
   g_list_free (children);
 
@@ -1099,17 +1106,22 @@ xfwm_settings_active_frame_drag_motion (GtkWidget      *widget,
                                         guint           timestamp,
                                         XfwmSettings   *settings)
 {
-  GtkWidget *active_box;
-  GdkWindow *indicator;
-  GList     *children;
-  GList     *iter;
-  gint       xoffset = widget->allocation.x;
-  gint       height;
-  gint       ix;
-  gint       iy;
+  GtkWidget      *active_box;
+  GdkWindow      *indicator;
+  GList          *children;
+  GList          *iter;
+  GtkAllocation  allocation;
+  gint           xoffset;
+  gint           height;
+  gint           ix;
+  gint           iy;
 
   g_return_val_if_fail (XFWM_IS_SETTINGS (settings), FALSE);
 
+  gtk_widget_get_allocation (widget, &allocation);
+
+  xoffset = allocation.x;
+
   active_box = GTK_WIDGET (gtk_builder_get_object (settings->priv->builder, "active-box"));
   children = gtk_container_get_children (GTK_CONTAINER (active_box));
 
@@ -1117,30 +1129,33 @@ xfwm_settings_active_frame_drag_motion (GtkWidget      *widget,
   ix = INDICATOR_SIZE;
   for (iter = children; iter != NULL; iter = g_list_next (iter))
     {
-      if (GTK_WIDGET_VISIBLE (iter->data))
+      if (gtk_widget_get_visible (GTK_WIDGET (iter->data)))
         {
-          if (x < (GTK_WIDGET (iter->data)->allocation.width / 2 +
-                   GTK_WIDGET (iter->data)->allocation.x - xoffset))
+          gtk_widget_get_allocation (GTK_WIDGET (iter->data), &allocation);
+
+          if (x < (allocation.width / 2 + allocation.x - xoffset))
             {
-              ix = GTK_WIDGET (iter->data)->allocation.x;
+              ix = allocation.x;
               break;
             }
 
-          ix = GTK_WIDGET (iter->data)->allocation.x + GTK_WIDGET (iter->data)->allocation.width;
+          ix = allocation.x + allocation.width;
         }
     }
 
   g_list_free (children);
 
+  gtk_widget_get_allocation (active_box, &allocation);
+
   ix -= INDICATOR_SIZE / 2 + 1;
-  iy = active_box->allocation.y - INDICATOR_SIZE / 2 +
+  iy = allocation.y - INDICATOR_SIZE / 2 +
        gtk_container_get_border_width (GTK_CONTAINER (active_box));
 
   indicator = g_object_get_data (G_OBJECT (active_box), "indicator_window");
 
   if (G_UNLIKELY (indicator == NULL))
     {
-      height = active_box->allocation.height + INDICATOR_SIZE -
+      height = allocation.height + INDICATOR_SIZE -
                gtk_container_get_border_width (GTK_CONTAINER (active_box)) * 2;
       xfwm_settings_create_indicator (active_box, ix, iy, INDICATOR_SIZE, height);
     }
@@ -1209,11 +1224,11 @@ xfwm_settings_create_indicator (GtkWidget *widget,
                                 gint       width,
                                 gint       height)
 {
-  GdkWindowAttr attributes;
-  GdkWindow    *indicator;
-  GdkRegion    *shape;
-  GdkPoint      points[9];
-  gint          attr_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_COLORMAP | GDK_WA_VISUAL;
+  GdkWindowAttr   attributes;
+  GdkWindow      *indicator;
+  cairo_region_t *shape;
+  GdkPoint        points[9];
+  gint            attr_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL;
 
   g_return_if_fail (GTK_IS_WIDGET (widget));
 
@@ -1225,18 +1240,20 @@ xfwm_settings_create_indicator (GtkWidget *widget,
   attributes.height = height;
   attributes.wclass = GDK_INPUT_OUTPUT;
   attributes.visual = gtk_widget_get_visual (widget);
-  attributes.colormap = gtk_widget_get_colormap (widget);
   attributes.window_type = GDK_WINDOW_CHILD;
   attributes.cursor = NULL;
   attributes.wmclass_name = NULL;
   attributes.wmclass_class = NULL;
   attributes.override_redirect = FALSE;
+  attributes.type_hint = GDK_WINDOW_TYPE_HINT_NORMAL;
+
+  /* TODO implement a new method of displaying DND */
 
   indicator = gdk_window_new (gtk_widget_get_parent_window (widget), &attributes, attr_mask);
   gdk_window_set_user_data (indicator, widget);
   g_object_set_data (G_OBJECT (widget), "indicator_window", indicator);
 
-  points[0].x = 0;
+ /* points[0].x = 0;
   points[0].y = 0;
   points[1].x = width;
   points[1].y = 0;
@@ -1256,7 +1273,7 @@ xfwm_settings_create_indicator (GtkWidget *widget,
   points[8].y = 0;
 
   shape = gdk_region_polygon (points, 9, GDK_WINDING_RULE);
-  gdk_window_shape_combine_region (indicator, shape, 0, 0);
+  gdk_window_shape_combine_region (indicator, shape, 0, 0);*/
 
   gdk_window_show (indicator);
   gdk_window_raise (indicator);
@@ -1282,6 +1299,23 @@ xfwm_settings_delete_indicator (GtkWidget *widget)
 
 
 
+static gboolean
+xfwm_settings_title_button_press_event (GtkWidget *widget)
+{
+  GdkPixbuf *pixbuf;
+
+  g_return_if_fail (GTK_IS_WIDGET (widget));
+
+  /* set pixbuf before drag begin cause it can be not displayed */
+  pixbuf = xfwm_settings_create_icon_from_widget (widget);
+  gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
+  g_object_unref (pixbuf);
+
+  return TRUE;
+}
+
+
+
 static void
 xfwm_settings_title_button_drag_data (GtkWidget        *widget,
                                       GdkDragContext   *drag_context,
@@ -1304,14 +1338,8 @@ static void
 xfwm_settings_title_button_drag_begin (GtkWidget      *widget,
                                        GdkDragContext *drag_context)
 {
-  GdkPixbuf *pixbuf;
-
   g_return_if_fail (GTK_IS_WIDGET (widget));
 
-  pixbuf = xfwm_settings_create_icon_from_widget (widget);
-  gtk_drag_source_set_icon_pixbuf (widget, pixbuf);
-  g_object_unref (pixbuf);
-
   gtk_widget_hide (widget);
 }
 
@@ -1337,14 +1365,16 @@ xfwm_settings_signal_blocker (GtkWidget *widget)
 static GdkPixbuf *
 xfwm_settings_create_icon_from_widget (GtkWidget *widget)
 {
-  GdkWindow *drawable;
+  GdkWindow     *window;
+  GtkAllocation  allocation;
 
   g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
 
-  drawable = GDK_DRAWABLE (gtk_widget_get_parent_window (widget));
-  return gdk_pixbuf_get_from_drawable (NULL, drawable, NULL,
-                                       widget->allocation.x, widget->allocation.y, 0, 0,
-                                       widget->allocation.width, widget->allocation.height);
+  gtk_widget_get_allocation (widget, &allocation);
+  window = gtk_widget_get_parent_window (widget);
+  return gdk_pixbuf_get_from_window (window,
+                                     allocation.x, allocation.y,
+                                     allocation.width, allocation.height);
 }
 
 
@@ -1893,20 +1923,17 @@ static void
 xfwm_settings_shortcut_reset_clicked (GtkButton    *button,
                                       XfwmSettings *settings)
 {
-  gint response;
+  gint confirm;
 
   g_return_if_fail (XFWM_IS_SETTINGS (settings));
   g_return_if_fail (XFCE_IS_SHORTCUTS_PROVIDER (settings->priv->provider));
 
-  response = xfce_message_dialog (NULL, _("Reset to Defaults"), GTK_STOCK_DIALOG_QUESTION,
-                                  _("Reset to Defaults"),
+  confirm = xfce_dialog_confirm (NULL, "gtk-yes", NULL,
                                   _("This will reset all shortcuts to their default "
                                     "values. Do you really want to do this?"),
-                                  GTK_STOCK_NO, GTK_RESPONSE_NO,
-                                  GTK_STOCK_YES, GTK_RESPONSE_YES,
-                                  NULL);
+                                  _("Reset to Defaults"));
 
-  if (G_LIKELY (response == GTK_RESPONSE_YES))
+  if (confirm)
     xfce_shortcuts_provider_reset_to_defaults (settings->priv->provider);
 }
 
diff --git a/settings-dialogs/xfwm4-tweaks-dialog.glade b/settings-dialogs/xfwm4-tweaks-dialog.glade
index abc3519..af8c373 100644
--- a/settings-dialogs/xfwm4-tweaks-dialog.glade
+++ b/settings-dialogs/xfwm4-tweaks-dialog.glade
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
-  <!-- interface-requires gtk+ 2.12 -->
-  <!-- interface-requires libxfce4ui 4.5 -->
+  <!-- interface-requires gtk+ 3.20 -->
+  <!-- interface-requires libxfce4ui-2 4.12 -->
   <!-- interface-naming-policy toplevel-contextual -->
   <object class="GtkAdjustment" id="adjustment1">
     <property name="upper">100</property>
@@ -48,13 +48,15 @@
     <property name="type_hint">dialog</property>
     <property name="subtitle" translatable="yes">Fine-tune window behaviour and effects</property>
     <child internal-child="vbox">
-      <object class="GtkVBox" id="main-vbox">
+      <object class="GtkBox" id="main-vbox">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
         <child internal-child="action_area">
-          <object class="GtkHButtonBox" id="dialog-action_area1">
+          <object class="GtkButtonBox" id="dialog-action_area1">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
+            <property name="orientation">horizontal</property>
             <property name="layout_style">end</property>
             <child>
               <object class="GtkButton" id="button2">
@@ -101,9 +103,10 @@
             <property name="can_focus">True</property>
             <property name="border_width">6</property>
             <child>
-              <object class="GtkVBox" id="vbox1">
+              <object class="GtkBox" id="vbox1">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -201,9 +204,10 @@ or "skip taskbar" properties set</property>
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox3">
+              <object class="GtkBox" id="vbox3">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -239,9 +243,10 @@ or "skip taskbar" properties set</property>
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkVBox" id="prevent_focus_stealing_box">
+                  <object class="GtkBox" id="prevent_focus_stealing_box">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="orientation">vertical</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkLabel" id="label11">
@@ -263,9 +268,10 @@ or "skip taskbar" properties set</property>
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">12</property>
                         <child>
-                          <object class="GtkVBox" id="vbox14">
+                          <object class="GtkBox" id="vbox14">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">vertical</property>
                             <property name="border_width">6</property>
                             <property name="spacing">6</property>
                             <child>
@@ -355,15 +361,17 @@ or "skip taskbar" properties set</property>
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox4">
+              <object class="GtkBox" id="vbox4">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
-                  <object class="GtkHBox" id="hbox1">
+                  <object class="GtkBox" id="hbox1">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="orientation">horizontal</property>
                     <property name="spacing">12</property>
                     <child>
                       <object class="GtkLabel" id="label7">
@@ -543,9 +551,10 @@ or "skip taskbar" properties set</property>
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox5">
+              <object class="GtkBox" id="vbox5">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -631,9 +640,10 @@ when switching via keyboard shortcuts</property>
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox6">
+              <object class="GtkBox" id="vbox6">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -658,9 +668,10 @@ when switching via keyboard shortcuts</property>
                     <property name="bottom_padding">6</property>
                     <property name="left_padding">12</property>
                     <child>
-                      <object class="GtkHBox" id="hbox2">
+                      <object class="GtkBox" id="hbox2">
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
+                        <property name="orientation">horizontal</property>
                         <property name="spacing">12</property>
                         <child>
                           <object class="GtkLabel" id="label9">
@@ -676,9 +687,10 @@ when switching via keyboard shortcuts</property>
                           </packing>
                         </child>
                         <child>
-                          <object class="GtkHScale" id="placement_ratio_scale">
+                          <object class="GtkScale" id="placement_ratio_scale">
                             <property name="visible">True</property>
                             <property name="can_focus">True</property>
+                            <property name="orientation">horizontal</property>
                             <property name="adjustment">adjustment1</property>
                             <property name="restrict_to_fill_level">False</property>
                             <property name="draw_value">False</property>
@@ -712,9 +724,10 @@ when switching via keyboard shortcuts</property>
                   </packing>
                 </child>
                 <child>
-                  <object class="GtkVBox" id="default_placement_box">
+                  <object class="GtkBox" id="default_placement_box">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="orientation">vertical</property>
                     <property name="spacing">6</property>
                     <child>
                       <object class="GtkLabel" id="label27">
@@ -736,9 +749,10 @@ when switching via keyboard shortcuts</property>
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">12</property>
                         <child>
-                          <object class="GtkVBox" id="vbox18">
+                          <object class="GtkBox" id="vbox18">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">vertical</property>
                             <property name="border_width">6</property>
                             <property name="spacing">6</property>
                             <child>
@@ -809,9 +823,10 @@ when switching via keyboard shortcuts</property>
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox7">
+              <object class="GtkBox" id="vbox7">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">12</property>
                 <property name="spacing">6</property>
                 <child>
@@ -850,9 +865,10 @@ when switching via keyboard shortcuts</property>
                             <property name="bottom_padding">6</property>
                             <property name="left_padding">12</property>
                             <child>
-                              <object class="GtkVBox" id="vbox8">
+                              <object class="GtkBox" id="vbox8">
                                 <property name="visible">True</property>
                                 <property name="can_focus">False</property>
+                                <property name="orientation">vertical</property>
                                 <property name="spacing">6</property>
                                 <child>
                                   <object class="GtkCheckButton" id="unredirect_overlays_check">
@@ -956,9 +972,10 @@ when switching via keyboard shortcuts</property>
                                     <property name="top_padding">2</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox3">
+                                      <object class="GtkBox" id="hbox3">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <child>
                                           <object class="GtkLabel" id="label17">
                                             <property name="visible">True</property>
@@ -973,10 +990,10 @@ when switching via keyboard shortcuts</property>
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="frame_opacity_scale">
+                                          <object class="GtkScale" id="frame_opacity_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment2</property>
                                             <property name="restrict_to_fill_level">False</property>
                                             <property name="draw_value">False</property>
@@ -1031,9 +1048,10 @@ when switching via keyboard shortcuts</property>
                                     <property name="top_padding">2</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox4">
+                                      <object class="GtkBox" id="hbox4">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <child>
                                           <object class="GtkLabel" id="label19">
                                             <property name="visible">True</property>
@@ -1048,10 +1066,10 @@ when switching via keyboard shortcuts</property>
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="inactive_opacity_scale">
+                                          <object class="GtkScale" id="inactive_opacity_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment3</property>
                                             <property name="restrict_to_fill_level">False</property>
                                             <property name="draw_value">False</property>
@@ -1106,9 +1124,10 @@ when switching via keyboard shortcuts</property>
                                     <property name="top_padding">2</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox5">
+                                      <object class="GtkBox" id="hbox5">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <child>
                                           <object class="GtkLabel" id="label21">
                                             <property name="visible">True</property>
@@ -1123,10 +1142,10 @@ when switching via keyboard shortcuts</property>
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="move_opacity_scale">
+                                          <object class="GtkScale" id="move_opacity_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment4</property>
                                             <property name="restrict_to_fill_level">False</property>
                                             <property name="draw_value">False</property>
@@ -1181,9 +1200,10 @@ when switching via keyboard shortcuts</property>
                                     <property name="top_padding">2</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox6">
+                                      <object class="GtkBox" id="hbox6">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <child>
                                           <object class="GtkLabel" id="label23">
                                             <property name="visible">True</property>
@@ -1198,10 +1218,10 @@ when switching via keyboard shortcuts</property>
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="resize_opacity_scale">
+                                          <object class="GtkScale" id="resize_opacity_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment5</property>
                                             <property name="restrict_to_fill_level">False</property>
                                             <property name="draw_value">False</property>
@@ -1256,9 +1276,10 @@ when switching via keyboard shortcuts</property>
                                     <property name="top_padding">2</property>
                                     <property name="left_padding">12</property>
                                     <child>
-                                      <object class="GtkHBox" id="hbox7">
+                                      <object class="GtkBox" id="hbox7">
                                         <property name="visible">True</property>
                                         <property name="can_focus">False</property>
+                                        <property name="orientation">horizontal</property>
                                         <child>
                                           <object class="GtkLabel" id="label25">
                                             <property name="visible">True</property>
@@ -1273,10 +1294,10 @@ when switching via keyboard shortcuts</property>
                                           </packing>
                                         </child>
                                         <child>
-                                          <object class="GtkHScale" id="popup_opacity_scale">
+                                          <object class="GtkScale" id="popup_opacity_scale">
                                             <property name="visible">True</property>
                                             <property name="can_focus">True</property>
-                                            <property name="update_policy">discontinuous</property>
+                                            <property name="orientation">horizontal</property>
                                             <property name="adjustment">adjustment6</property>
                                             <property name="restrict_to_fill_level">False</property>
                                             <property name="draw_value">False</property>
diff --git a/settings-dialogs/xfwm4-workspace-dialog.glade b/settings-dialogs/xfwm4-workspace-dialog.glade
index 7b52d0a..50852b3 100644
--- a/settings-dialogs/xfwm4-workspace-dialog.glade
+++ b/settings-dialogs/xfwm4-workspace-dialog.glade
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
-  <requires lib="gtk+" version="2.20"/>
-  <!-- interface-requires libxfce4ui 4.5 -->
+  <requires lib="gtk+" version="3.20"/>
+  <!-- interface-requires libxfce4ui-2 4.12 -->
   <!-- interface-naming-policy toplevel-contextual -->
   <object class="GtkAdjustment" id="adjustment1">
     <property name="lower">1</property>
@@ -37,9 +37,10 @@
     <property name="type_hint">dialog</property>
     <property name="subtitle" translatable="yes">Configure layout, names and margins</property>
     <child internal-child="vbox">
-      <object class="GtkVBox" id="main-vbox">
+      <object class="GtkBox" id="main-vbox">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
         <property name="spacing">2</property>
         <child>
           <object class="GtkNotebook" id="plug-child">
@@ -47,9 +48,10 @@
             <property name="can_focus">True</property>
             <property name="border_width">6</property>
             <child>
-              <object class="GtkVBox" id="vbox1">
+              <object class="GtkBox" id="vbox1">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">6</property>
                 <property name="spacing">6</property>
                 <child>
@@ -66,9 +68,10 @@
                         <property name="bottom_padding">6</property>
                         <property name="left_padding">16</property>
                         <child>
-                          <object class="GtkHBox" id="hbox3">
+                          <object class="GtkBox" id="hbox3">
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
+                            <property name="orientation">horizontal</property>
                             <property name="spacing">12</property>
                             <child>
                               <object class="GtkLabel" id="label3">
@@ -89,7 +92,7 @@
                               <object class="GtkSpinButton" id="workspace_count_spinbutton">
                                 <property name="visible">True</property>
                                 <property name="can_focus">True</property>
-                                <property name="editable">False</property>
+                                <property name="editable">True</property>
                                 <property name="invisible_char">•</property>
                                 <property name="primary_icon_activatable">False</property>
                                 <property name="secondary_icon_activatable">False</property>
@@ -187,15 +190,17 @@
               </packing>
             </child>
             <child>
-              <object class="GtkVBox" id="vbox2">
+              <object class="GtkBox" id="vbox2">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
+                <property name="orientation">vertical</property>
                 <property name="border_width">6</property>
                 <property name="spacing">6</property>
                 <child>
-                  <object class="GtkHBox" id="hbox1">
+                  <object class="GtkBox" id="hbox1">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
+                    <property name="orientation">horizontal</property>
                     <property name="spacing">12</property>
                     <child>
                       <object class="GtkImage" id="image1">
@@ -391,9 +396,10 @@
           </packing>
         </child>
         <child internal-child="action_area">
-          <object class="GtkHButtonBox" id="dialog-action_area1">
+          <object class="GtkButtonBox" id="dialog-action_area1">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
+            <property name="orientation">horizontal</property>
             <property name="layout_style">end</property>
             <child>
               <object class="GtkButton" id="button2">

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