[zenity/gtk4-port: 2/25] convert .ui to gtk4; make calendar, color, about build against gtk4.

From: Logan Rathbone <larathbone src gnome org>
To: commits-list gnome org
Cc:
Subject: [zenity/gtk4-port: 2/25] convert .ui to gtk4; make calendar, color, about build against gtk4.
Date: Tue, 29 Jun 2021 02:19:12 +0000 (UTC)

commit cbf1311f90d4269d26088a2062669c5457ea4dca
Author: Logan Rathbone <poprocks gmail com>
Date:   Wed Feb 10 15:40:49 2021 -0500

    convert .ui to gtk4; make calendar, color, about build against gtk4.

 src/about.c    |  242 ++-----------
 src/calendar.c |  116 +++---
 src/color.c    |   61 ++--
 src/option.c   |   10 -
 src/util.c     |   15 +-
 src/util.h     |    3 +-
 src/zenity.h   |    1 -
 src/zenity.ui  | 1091 ++++++++++++++++++++------------------------------------
 8 files changed, 528 insertions(+), 1011 deletions(-)
---
diff --git a/src/about.c b/src/about.c
index 627aa1ea..e01e0aff 100644
--- a/src/about.c
+++ b/src/about.c
@@ -1,12 +1,15 @@
+/* vim: colorcolumn=80 ts=4 sw=4
+ */
 /*
  * about.c
  *
- * Copyright (C) 2002 Sun Microsystems, Inc.
- * Copyright (C) 2001 CodeFactory AB
- * Copyright (C) 2001, 2002 Anders Carlsson
+ * Copyright © 2002 Sun Microsystems, Inc.
+ * Copyright © 2001 CodeFactory AB
+ * Copyright © 2001, 2002 Anders Carlsson
+ * Copyright © 2021 Logan Rathbone
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ -15,7 +18,7 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
@@ -24,12 +27,13 @@
  *          Anders Carlsson <andersca gnu org>
  */
 
-#include "config.h"
 #include "util.h"
 #include "zenity.h"
-#include <gdk/gdkkeysyms.h>
+
 #include <string.h>
 
+#include <config.h>
+
 #define GTK_RESPONSE_CREDITS 0
 #define ZENITY_HELP_PATH ZENITY_DATADIR "/help/"
 #define ZENITY_CLOTHES_PATH ZENITY_DATADIR "/clothes/"
@@ -39,8 +43,8 @@
 
 static GtkWidget *dialog;
 
-static void zenity_about_dialog_response (
-       GtkWidget *widget, int response, gpointer data);
+static void zenity_about_dialog_response (GtkWidget *widget,
+               int response, gpointer data);
 
 /* Sync with the people in the THANKS file */
 static const gchar *const authors[] = {"Glynn Foster <glynn foster sun com>",
@@ -72,197 +76,15 @@ static const char *license[] = {
                "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA "
                "02110-1301, USA.")};
 
-#if 0
-static gint
-zenity_move_clothes_event (GnomeCanvasItem *item, 
-                           GdkEvent *event,
-                           gpointer data)
-{
-  static double x, y;
-  double new_x, new_y;
-  static int dragging;
-  double item_x, item_y;
-
-  /* set item_[xy] to the event x,y position in the parent's 
-   * item-relative coordinates
-   */
-  
-  item_x = event->button.x;
-  item_y = event->button.y;
-  gnome_canvas_item_w2i (item->parent, &item_x, &item_y);
-
-  switch (event->type) {
-    case GDK_BUTTON_PRESS:
-      x = item_x;
-      y = item_y;
-      gnome_canvas_item_ungrab (item, event->button.time);
-      gnome_canvas_item_raise_to_top (item);
-      dragging = TRUE;
-      break;
-
-    case GDK_MOTION_NOTIFY:
-      if (dragging && (event->motion.state & GDK_BUTTON1_MASK)) {
-        new_x = item_x;
-        new_y = item_y;
-
-        gnome_canvas_item_move (item, new_x - x, new_y - y);
-        x = new_x;
-        y = new_y;
-      }
-      break;
-
-    case GDK_BUTTON_RELEASE:
-      gnome_canvas_item_ungrab (item, event->button.time);
-      dragging = FALSE;
-      break;
-
-    default:
-      break;
-  }
-
-  return FALSE;
-}
-
-typedef struct 
-{
-  const gchar *filename;
-  gdouble x, y;
-} MonkClothes;
-
-static const MonkClothes monk_clothes[] = {
-  {"gnome-tshirt.png", 30.0, 20.0},
-  {"sunglasses.png", ZENITY_CANVAS_X - 100.0 , ZENITY_CANVAS_Y - 150.0 },
-  {"surfboard.png", 30.0, ZENITY_CANVAS_Y - 200.0},
-  {"hawaii-shirt.png", ZENITY_CANVAS_X - 50.0, 20.0}
-};
-
-static void
-zenity_create_clothes (GtkWidget *canvas_board)
-{
-  GdkPixbuf *pixbuf;
-  GnomeCanvasItem *canvas_item;
-  gchar *pixbuf_path;
-  size_t i;
-
-  for (i = 0; i < G_N_ELEMENTS (monk_clothes); i++) {
-    pixbuf_path = g_strconcat (ZENITY_CLOTHES_PATH, monk_clothes[i].filename, NULL); 
-    pixbuf = gdk_pixbuf_new_from_file (pixbuf_path, NULL);
-
-    canvas_item = gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (canvas_board)->root),
-                                         GNOME_TYPE_CANVAS_PIXBUF,
-                                         "x", monk_clothes[i].x,
-                                         "y", monk_clothes[i].y,
-                                         "pixbuf", pixbuf,
-                                         "anchor", GTK_ANCHOR_NW,
-                                          NULL);
-    g_signal_connect (G_OBJECT (canvas_item), "event",
-                      G_CALLBACK (zenity_move_clothes_event), NULL);
-  }
-}
-
-static GtkWidget *
-zenity_create_monk (void)
-{
-  GtkWidget *canvas_board;
-  GnomeCanvasItem *canvas_item;
-  GdkPixbuf *pixbuf;
-  GdkColor color = { 0, 0xffff, 0xffff, 0xffff };
-
-  canvas_board = gnome_canvas_new ();
-
-  gnome_canvas_set_scroll_region (GNOME_CANVAS (canvas_board), 0, 0,
-                                  ZENITY_CANVAS_X, ZENITY_CANVAS_Y);
-
-  gtk_widget_set_size_request (canvas_board, ZENITY_CANVAS_X, ZENITY_CANVAS_Y);
-
-  gdk_colormap_alloc_color (gtk_widget_get_colormap (GTK_WIDGET (canvas_board)),
-                            &color, FALSE, TRUE);
-
-  gtk_widget_modify_bg (GTK_WIDGET (canvas_board), GTK_STATE_NORMAL, &color);
-
-  pixbuf = gdk_pixbuf_new_from_file (ZENITY_CLOTHES_PATH "monk.png", NULL);
-
-  canvas_item = gnome_canvas_item_new (GNOME_CANVAS_GROUP (GNOME_CANVAS (canvas_board)->root),
-                                       GNOME_TYPE_CANVAS_PIXBUF,
-                                       "x", (ZENITY_CANVAS_X / 2.0)/2.0 + 10.0,
-                                       "y", (ZENITY_CANVAS_Y / 2.0)/2.0 - 50.0,
-                                       "pixbuf", pixbuf,
-                                       "anchor", GTK_ANCHOR_NW,
-                                       NULL);
-
-  zenity_create_clothes (canvas_board);
-
-  return canvas_board;
-}
-
-static GtkWidget *
-zenity_create_boutique (void) 
-{
-  GtkWidget *window;
-  GtkWidget *canvas;
-
-  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
-
-  zenity_util_set_window_icon (window, NULL, ZENITY_IMAGE_FULLPATH ("zenity.png"));
-  canvas = zenity_create_monk ();
-  gtk_container_add (GTK_CONTAINER (window), canvas);
-
-  return window;
-}
-
-static gboolean
-zenity_zen_wisdom (GtkDialog *dialog, GdkEventKey *event, gpointer user_data)
-{
-  static gint string_count;
-
-  if (string_count >= 3)
-    return FALSE;
-
-  switch (event->keyval) {
-    case GDK_N:
-    case GDK_n:
-      if (string_count == 2) {
-        GtkWidget *window;
-        window = zenity_create_boutique ();
-        gtk_widget_show_all (window);
-        string_count++;
-      } else {
-        string_count = 0;
-      }
-      break;
-    case GDK_Z:
-    case GDK_z:
-      if (string_count == 0)
-        string_count++;
-      else
-        string_count = 0;
-      break;
-    case GDK_E:
-    case GDK_e:
-      if (string_count == 1)
-        string_count++;
-      else
-        string_count = 0;
-      break;
-    default:
-      string_count = 0;
-  }
-
-  return FALSE;
-}
-#endif
-
 void
-zenity_about (ZenityData *data) {
-       GdkPixbuf *logo;
+zenity_about (ZenityData *data)
+{
        char *license_trans;
 
-       translators = _ ("translator-credits");
-       logo =
-               gdk_pixbuf_new_from_file (ZENITY_IMAGE_FULLPATH ("zenity.png"), NULL);
+       translators = _("translator-credits");
 
        license_trans = g_strconcat (
-               _ (license[0]), "\n", _ (license[1]), "\n", _ (license[2]), "\n", NULL);
+               _(license[0]), "\n", _(license[1]), "\n", _(license[2]), "\n", NULL);
 
        dialog = gtk_about_dialog_new ();
 
@@ -272,9 +94,10 @@ zenity_about (ZenityData *data) {
                "version",
                VERSION,
                "copyright",
-               "Copyright \xc2\xa9 2003 Sun Microsystems",
+               "Copyright \xc2\xa9 2003 Sun Microsystems\n"
+               "Copyright \xc2\xa9 2021 Logan Rathbone\n",
                "comments",
-               _ ("Display dialog boxes from shell scripts"),
+               _("Display dialog boxes from shell scripts"),
                "authors",
                authors,
                "documenters",
@@ -282,9 +105,7 @@ zenity_about (ZenityData *data) {
                "translator-credits",
                translators,
                "website",
-               "http://live.gnome.org/Zenity";,
-               "logo",
-               logo,
+               "https://gitlab.gnome.org/GNOME/zenity";,
                "wrap-license",
                TRUE,
                "license",
@@ -293,27 +114,25 @@ zenity_about (ZenityData *data) {
 
        g_free (license_trans);
 
-       zenity_util_set_window_icon (
-               dialog, NULL, ZENITY_IMAGE_FULLPATH ("zenity.png"));
+       zenity_util_set_window_icon (dialog,
+                       NULL, ZENITY_IMAGE_FULLPATH ("zenity.png"));
 
        g_signal_connect (G_OBJECT (dialog),
                "response",
                G_CALLBACK (zenity_about_dialog_response),
                data);
 
-#if 0
-  g_signal_connect (G_OBJECT (dialog), "key_press_event",
-                    G_CALLBACK (zenity_zen_wisdom), NULL);
-#endif
-
-       zenity_util_show_dialog (dialog, data->attach);
-       gtk_main ();
+       zenity_util_show_dialog (dialog);
+       zenity_util_gapp_main (GTK_WINDOW (dialog));
 }
 
 static void
-zenity_about_dialog_response (GtkWidget *widget, int response, gpointer data) {
+zenity_about_dialog_response (GtkWidget *widget, int response, gpointer data)
+{
        ZenityData *zen_data = data;
 
+       g_return_if_fail (GTK_IS_WINDOW (GTK_WINDOW(widget)));
+
        switch (response) {
                case GTK_RESPONSE_CLOSE:
                        zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
@@ -324,6 +143,5 @@ zenity_about_dialog_response (GtkWidget *widget, int response, gpointer data) {
                        zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
                        break;
        }
-
-       gtk_main_quit ();
+       zenity_util_gapp_quit (GTK_WINDOW(widget));
 }
diff --git a/src/calendar.c b/src/calendar.c
index 9aaf927f..21dc6a16 100644
--- a/src/calendar.c
+++ b/src/calendar.c
@@ -1,19 +1,22 @@
+/* vim: colorcolumn=80 ts=4 sw=4
+ */
 /*
  * calendar.c
  *
- * Copyright (C) 2002 Sun Microsystems, Inc.
+ * Copyright © 2002 Sun Microsystems, Inc.
+ * Copyright © 2021 Logan Rathbone
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
@@ -21,21 +24,25 @@
  * Authors: Glynn Foster <glynn foster sun com>
  */
 
-#include "config.h"
 
 #include "util.h"
 #include "zenity.h"
+
 #include <time.h>
 
+#include <config.h>
+
 static GtkWidget *calendar;
 static ZenityCalendarData *zen_cal_data;
 
-static void zenity_calendar_dialog_response (
-       GtkWidget *widget, int response, gpointer data);
-static void zenity_calendar_double_click (GtkCalendar *calendar, gpointer data);
+static void zenity_calendar_dialog_response (GtkWidget *widget,
+               int response, gpointer data);
+static void zenity_calendar_day_selected (GtkCalendar *calendar,
+               gpointer data);
 
 void
-zenity_calendar (ZenityData *data, ZenityCalendarData *cal_data) {
+zenity_calendar (ZenityData *data, ZenityCalendarData *cal_data)
+{
        GtkBuilder *builder;
        GtkWidget *dialog;
        GtkWidget *button;
@@ -50,15 +57,11 @@ zenity_calendar (ZenityData *data, ZenityCalendarData *cal_data) {
                return;
        }
 
-       gtk_builder_connect_signals (builder, NULL);
-
        dialog =
                GTK_WIDGET (gtk_builder_get_object (builder, "zenity_calendar_dialog"));
 
-       g_signal_connect (G_OBJECT (dialog),
-               "response",
-               G_CALLBACK (zenity_calendar_dialog_response),
-               data);
+       g_signal_connect (dialog, "response",
+               G_CALLBACK(zenity_calendar_dialog_response), data);
 
        if (data->dialog_title)
                gtk_window_set_title (GTK_WINDOW (dialog), data->dialog_title);
@@ -68,8 +71,8 @@ zenity_calendar (ZenityData *data, ZenityCalendarData *cal_data) {
                ZENITY_IMAGE_FULLPATH ("zenity-calendar.png"));
 
        if (data->width > -1 || data->height > -1)
-               gtk_window_set_default_size (
-                       GTK_WINDOW (dialog), data->width, data->height);
+               gtk_window_set_default_size (GTK_WINDOW(dialog),
+                               data->width, data->height);
 
        if (data->modal)
                gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
@@ -77,24 +80,31 @@ zenity_calendar (ZenityData *data, ZenityCalendarData *cal_data) {
        text = gtk_builder_get_object (builder, "zenity_calendar_text");
 
        if (cal_data->dialog_text)
-               gtk_label_set_markup (
-                       GTK_LABEL (text), g_strcompress (cal_data->dialog_text));
+               gtk_label_set_markup (GTK_LABEL(text),
+                               g_strcompress (cal_data->dialog_text));
 
-       calendar = GTK_WIDGET (gtk_builder_get_object (builder, "zenity_calendar"));
+       calendar = GTK_WIDGET(gtk_builder_get_object (builder, "zenity_calendar"));
 
        if (cal_data->month > 0 || cal_data->year > 0)
-               gtk_calendar_select_month (
-                       GTK_CALENDAR (calendar), cal_data->month - 1, cal_data->year);
+       {
+               g_object_set (calendar,
+                               "month",        cal_data->month - 1,
+                               "year",         cal_data->year,
+                               NULL);
+       }
+
        if (cal_data->day > 0)
-               gtk_calendar_select_day (GTK_CALENDAR (calendar), cal_data->day);
+       {
+               g_object_set (calendar,
+                               "day", cal_data->day,
+                               NULL);
+       }
 
-       g_signal_connect (calendar,
-               "day-selected-double-click",
-               G_CALLBACK (zenity_calendar_double_click),
-               data);
+       g_signal_connect (calendar, "day-selected",
+               G_CALLBACK(zenity_calendar_day_selected), data);
 
        gtk_label_set_mnemonic_widget (GTK_LABEL (text), calendar);
-       zenity_util_show_dialog (dialog, data->attach);
+       zenity_util_show_dialog (dialog);
 
        if (data->timeout_delay > 0) {
                g_timeout_add_seconds (data->timeout_delay,
@@ -103,37 +113,44 @@ zenity_calendar (ZenityData *data, ZenityCalendarData *cal_data) {
        }
 
        if (data->extra_label) {
-               gint i = 0;
+               int i = 0;
+
                while (data->extra_label[i] != NULL) {
-                       gtk_dialog_add_button (
-                               GTK_DIALOG (dialog), data->extra_label[i], i);
+                       gtk_dialog_add_button (GTK_DIALOG(dialog),
+                                       data->extra_label[i], i);
                        i++;
                }
        }
 
        if (data->ok_label) {
-               button = GTK_WIDGET (
-                       gtk_builder_get_object (builder, "zenity_calendar_ok_button"));
+               button = GTK_WIDGET (gtk_builder_get_object (builder,
+                                       "zenity_calendar_ok_button"));
                gtk_button_set_label (GTK_BUTTON (button), data->ok_label);
        }
 
        if (data->cancel_label) {
-               button = GTK_WIDGET (
-                       gtk_builder_get_object (builder, "zenity_calendar_cancel_button"));
+               button = GTK_WIDGET (gtk_builder_get_object (builder,
+                                       "zenity_calendar_cancel_button"));
                gtk_button_set_label (GTK_BUTTON (button), data->cancel_label);
        }
 
        g_object_unref (builder);
 
-       gtk_main ();
+       zenity_util_gapp_main (GTK_WINDOW(dialog));
 }
+
 static void
-zenity_calendar_dialog_output (void) {
-       guint day, month, year;
-       gchar time_string[128];
+zenity_calendar_dialog_output (void)
+{
+       int day, month, year;
+       char time_string[128];
        GDate *date = NULL;
 
-       gtk_calendar_get_date (GTK_CALENDAR (calendar), &day, &month, &year);
+       g_object_get (calendar,
+                       "day", &day,
+                       "month", &month,
+                       "year", &year,
+                       NULL);
        date = g_date_new_dmy (year, month + 1, day);
        g_date_strftime (time_string, 127, zen_cal_data->date_format, date);
        g_print ("%s\n", time_string);
@@ -143,13 +160,13 @@ zenity_calendar_dialog_output (void) {
 }
 
 static void
-zenity_calendar_dialog_response (
-       GtkWidget *widget, int response, gpointer data) {
-       ZenityData *zen_data;
-
-       zen_data = data;
+zenity_calendar_dialog_response (GtkWidget *widget,
+               int response, gpointer data)
+{
+       ZenityData *zen_data = data;
 
-       switch (response) {
+       switch (response)
+       {
                case GTK_RESPONSE_OK:
                        zenity_calendar_dialog_output ();
                        zen_data->exit_code = zenity_util_return_exit_code (ZENITY_OK);
@@ -166,15 +183,16 @@ zenity_calendar_dialog_response (
 
                default:
                        if (zen_data->extra_label &&
-                               response < g_strv_length (zen_data->extra_label))
+                               response < (int)g_strv_length (zen_data->extra_label))
                                printf ("%s\n", zen_data->extra_label[response]);
                        zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
                        break;
        }
-       gtk_main_quit ();
+       zenity_util_gapp_quit (GTK_WINDOW(widget));
 }
 
 static void
-zenity_calendar_double_click (GtkCalendar *cal, gpointer data) {
+zenity_calendar_day_selected (GtkCalendar *cal, gpointer data)
+{
        zenity_calendar_dialog_response (NULL, GTK_RESPONSE_OK, data);
 }
diff --git a/src/color.c b/src/color.c
index 9ef233eb..3dd2624e 100644
--- a/src/color.c
+++ b/src/color.c
@@ -1,19 +1,22 @@
+/* vim: colorcolumn=80 ts=4 sw=4
+ */
 /*
  * color.c
  *
- * Copyright (C) 2010 Berislav Kovacki
+ * Copyright © 2010 Berislav Kovacki
+ * Copyright © 2021 Logan Rathbone
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library 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
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the
  * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
@@ -29,11 +32,12 @@
 
 static ZenityData *zen_data;
 
-static void zenity_colorselection_dialog_response (
-       GtkWidget *widget, int response, gpointer data);
+static void zenity_colorselection_dialog_response (GtkWidget *widget,
+               int response, gpointer data);
 
 void
-zenity_colorselection (ZenityData *data, ZenityColorData *color_data) {
+zenity_colorselection (ZenityData *data, ZenityColorData *color_data)
+{
        GtkWidget *dialog;
        GtkWidget *button;
        GdkRGBA color;
@@ -47,21 +51,26 @@ zenity_colorselection (ZenityData *data, ZenityColorData *color_data) {
                G_CALLBACK (zenity_colorselection_dialog_response),
                color_data);
 
-       if (color_data->color) {
-               if (gdk_rgba_parse (&color, color_data->color)) {
-                       gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (dialog), &color);
-               }
+       if (color_data->color &&
+                       gdk_rgba_parse (&color, color_data->color))
+       {
+               gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER(dialog), &color);
        }
 
-       if (data->extra_label) {
-               gint i = 0;
-               while (data->extra_label[i] != NULL) {
-                       gtk_dialog_add_button (
-                               GTK_DIALOG (dialog), data->extra_label[i], i);
+       if (data->extra_label)
+       {
+               int i = 0;
+
+               while (data->extra_label[i] != NULL)
+               {
+                       gtk_dialog_add_button (GTK_DIALOG (dialog),
+                                       data->extra_label[i], i);
                        i++;
                }
        }
 
+       // FIXME
+#if 0
        if (data->ok_label) {
                g_object_get (G_OBJECT (dialog), "ok-button", &button, NULL);
                gtk_button_set_label (GTK_BUTTON (button), data->ok_label);
@@ -73,29 +82,32 @@ zenity_colorselection (ZenityData *data, ZenityColorData *color_data) {
                gtk_button_set_label (GTK_BUTTON (button), data->cancel_label);
                g_object_unref (G_OBJECT (button));
        }
+#endif
 
        if (data->modal)
                gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
 
        g_object_set (dialog, "show-editor", !color_data->show_palette, NULL);
 
-       zenity_util_show_dialog (dialog, data->attach);
+       zenity_util_show_dialog (dialog);
 
        if (data->timeout_delay > 0) {
                g_timeout_add_seconds (data->timeout_delay,
                        (GSourceFunc) zenity_util_timeout_handle,
                        dialog);
        }
-
-       gtk_main ();
+       zenity_util_gapp_main (GTK_WINDOW(dialog));
 }
 
+// FIXME - this shoudl probably use the color-activated signal
 static void
-zenity_colorselection_dialog_response (
-       GtkWidget *widget, int response, gpointer data) {
+zenity_colorselection_dialog_response (GtkWidget *widget,
+               int response, gpointer data)
+{
        GdkRGBA color;
 
-       switch (response) {
+       switch (response)
+       {
                case GTK_RESPONSE_OK:
                        zenity_util_exit_code_with_data (ZENITY_OK, zen_data);
                        gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (widget), &color);
@@ -108,11 +120,10 @@ zenity_colorselection_dialog_response (
 
                default:
                        if (zen_data->extra_label &&
-                               response < g_strv_length (zen_data->extra_label))
+                               response < (int)g_strv_length (zen_data->extra_label))
                                printf ("%s\n", zen_data->extra_label[response]);
                        zen_data->exit_code = zenity_util_return_exit_code (ZENITY_ESC);
                        break;
        }
-
-       gtk_main_quit ();
+       zenity_util_gapp_quit (GTK_WINDOW(widget));
 }
diff --git a/src/option.c b/src/option.c
index 61df34d3..833bf0d4 100644
--- a/src/option.c
+++ b/src/option.c
@@ -47,7 +47,6 @@ static gchar *zenity_general_ok_button;
 static gchar *zenity_general_cancel_button;
 static gchar **zenity_general_extra_buttons;
 static gboolean zenity_general_modal;
-static guintptr zenity_general_attach;
 static gboolean zenity_general_dialog_ellipsize;
 
 /* Calendar Dialog Options */
@@ -220,13 +219,6 @@ static GOptionEntry general_options[] = {{"title",
                &zenity_general_modal,
                N_ ("Set the modal hint"),
                NULL},
-       {"attach",
-               '\0',
-               G_OPTION_FLAG_NOALIAS,
-               G_OPTION_ARG_INT,
-               &zenity_general_attach,
-               N_ ("Set the parent window to attach to"),
-               N_ ("WINDOW")},
        {NULL}};
 
 static GOptionEntry calendar_options[] = {{"calendar",
@@ -1192,7 +1184,6 @@ zenity_general_pre_callback (GOptionContext *context, GOptionGroup *group,
        zenity_general_dialog_no_markup = FALSE;
        zenity_general_timeout_delay = -1;
        zenity_general_modal = FALSE;
-       zenity_general_attach = 0;
 
        return TRUE;
 }
@@ -1386,7 +1377,6 @@ zenity_general_post_callback (GOptionContext *context, GOptionGroup *group,
        results->data->cancel_label = zenity_general_cancel_button;
        results->data->extra_label = zenity_general_extra_buttons;
        results->data->modal = zenity_general_modal;
-       results->data->attach = zenity_general_attach;
 
        return TRUE;
 }
diff --git a/src/util.c b/src/util.c
index e337a9fb..700b5101 100644
--- a/src/util.c
+++ b/src/util.c
@@ -387,9 +387,9 @@ zenity_util_make_transient (GdkWindow *window, Window parent) {
 #endif /* GDK_WINDOWING_X11 */
 
 void
-zenity_util_show_dialog (GtkWidget *dialog, guintptr parent)
+zenity_util_show_dialog (GtkWidget *dialog)
 {
-       gtk_widget_realize (dialog);
+       gtk_widget_realize (dialog);    // FIXME - doubt this is necessary.
        gtk_widget_show (dialog);
 }
 
@@ -401,8 +401,7 @@ zenity_util_timeout_handle (gpointer data)
        if (dialog != NULL)
                gtk_dialog_response (dialog, ZENITY_TIMEOUT);
        else {
-               // FIXME - TEST - delete window from app
-               gtk_window_set_application (GTK_WINDOW(dialog), NULL);
+               zenity_util_gapp_quit (GTK_WINDOW(dialog));
                exit (ZENITY_TIMEOUT);
        }
        return FALSE;
@@ -432,3 +431,11 @@ zenity_util_gapp_main (GtkWindow *window) {
 
        return status;
 }
+
+void
+zenity_util_gapp_quit (GtkWindow *window)
+{
+       g_assert (GTK_IS_WINDOW (window));
+
+       gtk_window_set_application (window, NULL);
+}
diff --git a/src/util.h b/src/util.h
index 1f670c6c..d33e88c8 100644
--- a/src/util.h
+++ b/src/util.h
@@ -26,9 +26,10 @@ void zenity_util_set_window_icon_from_file (
 void zenity_util_show_help (GError **error);
 gint zenity_util_return_exit_code (ZenityExitCode value);
 void zenity_util_exit_code_with_data (ZenityExitCode value, ZenityData *data);
-void zenity_util_show_dialog (GtkWidget *widget, guintptr parent);
+void zenity_util_show_dialog (GtkWidget *widget);
 gboolean zenity_util_timeout_handle (gpointer data);
 int zenity_util_gapp_main (GtkWindow *window);
+void zenity_util_gapp_quit (GtkWindow *window);
 
 G_END_DECLS
 
diff --git a/src/zenity.h b/src/zenity.h
index b86a264d..3136baac 100644
--- a/src/zenity.h
+++ b/src/zenity.h
@@ -34,7 +34,6 @@ typedef struct {
        gint exit_code;
        gint timeout_delay;
        gboolean modal;
-       guintptr attach;
 } ZenityData;
 
 typedef enum {
diff --git a/src/zenity.ui b/src/zenity.ui
index 13594422..41ec10cc 100644
--- a/src/zenity.ui
+++ b/src/zenity.ui
@@ -1,107 +1,48 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.20.0 -->
 <interface>
-  <requires lib="gtk+" version="3.0"/>
+  <requires lib="gtk" version="4.0"/>
   <object class="GtkAdjustment" id="adjustment1">
     <property name="upper">100</property>
     <property name="step_increment">1</property>
     <property name="page_increment">1</property>
   </object>
   <object class="GtkDialog" id="zenity_scale_dialog">
-    <property name="visible">True</property>
-    <property name="can_focus">False</property>
+    <property name="visible">1</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Adjust the scale value</property>
     <property name="default_width">300</property>
     <property name="default_height">100</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox11">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area11">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_scale_cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="zenity_scale_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
+        <property name="can_focus">0</property>
         <child>
           <object class="GtkBox" id="vbox13">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="orientation">vertical</property>
             <property name="spacing">6</property>
             <child>
               <object class="GtkLabel" id="zenity_scale_text">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="valign">center</property>
+                <property name="can_focus">0</property>
                 <property name="ypad">4</property>
                 <property name="label" translatable="yes">Adjust the scale value</property>
                 <property name="xalign">0</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkScale" id="zenity_scale_hscale">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="vexpand">1</property>
+                <property name="draw-value">1</property>
                 <property name="adjustment">adjustment1</property>
                 <property name="digits">0</property>
                 <property name="value_pos">right</property>
               </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">1</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
@@ -109,10 +50,39 @@
       <action-widget response="-6">zenity_scale_cancel_button</action-widget>
       <action-widget response="-5">zenity_scale_ok_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area11">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_scale_cancel_button">
+            <property name="label" translatable="yes">Cancel</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="zenity_scale_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkTextBuffer" id="textbuffer1"/>
   <object class="GtkDialog" id="zenity_text_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Text View</property>
     <property name="window_position">center</property>
@@ -120,103 +90,41 @@
     <property name="default_height">200</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox5">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="spacing">2</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area5">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_text_cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="zenity_text_close_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">True</property>
-                <property name="image_position">right</property>
-                <accelerator key="Return" signal="clicked" modifiers="GDK_CONTROL_MASK"/>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="vbox5">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="hexpand">1</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="orientation">vertical</property>
             <child>
               <object class="GtkScrolledWindow" id="zenity_text_scrolled_window">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="vexpand">1</property>
                 <property name="shadow_type">etched-in</property>
-                <child>
+                <property name="child">
                   <object class="GtkTextView" id="zenity_text_view">
-                    <property name="visible">True</property>
-                    <property name="can_focus">True</property>
                     <property name="pixels_above_lines">2</property>
                     <property name="pixels_below_lines">2</property>
-                    <property name="editable">False</property>
+                    <property name="editable">0</property>
                     <property name="wrap_mode">word</property>
                     <property name="left_margin">2</property>
                     <property name="right_margin">2</property>
                     <property name="buffer">textbuffer1</property>
                   </object>
-                </child>
+                </property>
               </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkCheckButton" id="zenity_text_checkbox">
-                <property name="can_focus">True</property>
-                <property name="receives_default">False</property>
+                <property name="valign">center</property>
+                <property name="visible">0</property>
                 <property name="xalign">0.5</property>
-                <property name="draw_indicator">True</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
@@ -224,129 +132,90 @@
       <action-widget response="-6">zenity_text_cancel_button</action-widget>
       <action-widget response="-7">zenity_text_close_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area5">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_text_cancel_button">
+            <property name="label" translatable="yes">Cancel</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="zenity_text_close_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="can_default">True</property>
+            <property name="receives_default">1</property>
+            <property name="image_position">right</property>
+            <accelerator key="Return" signal="clicked" modifiers="GDK_CONTROL_MASK"/>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkDialog" id="zenity_calendar_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Calendar selection</property>
     <property name="window_position">center</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox2">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="spacing">2</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area2">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_calendar_cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="zenity_calendar_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="has_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="vbox1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="orientation">vertical</property>
             <property name="spacing">6</property>
             <child>
               <object class="GtkBox" id="vbox2">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="vexpand">1</property>
+                <property name="can_focus">0</property>
                 <property name="spacing">6</property>
                 <child>
                   <object class="GtkLabel" id="zenity_calendar_text">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="halign">center</property>
+                    <property name="can_focus">0</property>
                     <property name="label" translatable="yes">Select a date from below.</property>
-                    <property name="wrap">True</property>
+                    <property name="wrap">1</property>
                     <property name="xalign">0</property>
                   </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">False</property>
-                    <property name="position">0</property>
-                  </packing>
                 </child>
               </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="zenity_calendar_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="valign">center</property>
+                <property name="can_focus">0</property>
                 <property name="label" translatable="yes">C_alendar:</property>
-                <property name="use_underline">True</property>
+                <property name="use_underline">1</property>
                 <property name="mnemonic_widget">zenity_calendar</property>
                 <property name="xalign">0</property>
                 <accessibility>
                   <relation type="label-for" target="zenity_calendar"/>
                 </accessibility>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkCalendar" id="zenity_calendar">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="valign">center</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">2</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
@@ -354,103 +223,74 @@
       <action-widget response="-6">zenity_calendar_cancel_button</action-widget>
       <action-widget response="-5">zenity_calendar_ok_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area2">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_calendar_cancel_button">
+            <property name="label" translatable="yes">Cancel</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="zenity_calendar_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="has_focus">1</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkDialog" id="zenity_entry_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Add a new entry</property>
     <property name="window_position">center</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox4">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="orientation">vertical</property>
         <property name="spacing">2</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area4">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_entry_cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="zenity_entry_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="has_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="vbox3">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">6</property>
             <child>
               <object class="GtkBox" id="vbox4">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="hexpand">1</property>
+                <property name="can_focus">0</property>
                 <property name="orientation">vertical</property>
                 <property name="spacing">6</property>
                 <child>
                   <object class="GtkLabel" id="zenity_entry_text">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="valign">center</property>
+                    <property name="can_focus">0</property>
                     <property name="label" translatable="yes">_Enter new text:</property>
-                    <property name="use_underline">True</property>
+                    <property name="use_underline">1</property>
                     <property name="xalign">0</property>
                   </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">False</property>
-                    <property name="position">0</property>
-                  </packing>
                 </child>
                 <child>
                   <placeholder/>
                 </child>
               </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
@@ -458,166 +298,121 @@
       <action-widget response="-6">zenity_entry_cancel_button</action-widget>
       <action-widget response="-5">zenity_entry_ok_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area4">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_entry_cancel_button">
+            <property name="label" translatable="yes">Cancel</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="zenity_entry_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="can_default">True</property>
+            <property name="has_default">1</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkDialog" id="zenity_error_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Error</property>
     <property name="window_position">center</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox7">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="spacing">14</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area7">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_error_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="vbox8">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">6</property>
             <child>
               <object class="GtkBox" id="hbox3">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="hexpand">1</property>
+                <property name="can_focus">0</property>
                 <property name="border_width">5</property>
                 <property name="spacing">12</property>
                 <child>
                   <object class="GtkImage" id="zenity_error_image">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
+                    <property name="halign">center</property>
+                    <property name="can_focus">0</property>
                     <property name="yalign">0</property>
                     <property name="icon_name">dialog-error</property>
                     <property name="icon_size">6</property>
                   </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">False</property>
-                    <property name="position">0</property>
-                  </packing>
                 </child>
                 <child>
                   <object class="GtkLabel" id="zenity_error_text">
-                    <property name="visible">True</property>
-                    <property name="can_focus">True</property>
+                    <property name="halign">center</property>
                     <property name="label" translatable="yes">An error has occurred.</property>
-                    <property name="wrap">True</property>
-                    <property name="selectable">True</property>
+                    <property name="wrap">1</property>
+                    <property name="selectable">1</property>
                     <property name="yalign">0</property>
                   </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">False</property>
-                    <property name="position">1</property>
-                  </packing>
                 </child>
               </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
     <action-widgets>
       <action-widget response="-5">zenity_error_ok_button</action-widget>
     </action-widgets>
-  </object>
-  <object class="GtkDialog" id="zenity_forms_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">5</property>
-    <property name="window_position">center</property>
-    <property name="type_hint">normal</property>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox12">
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area7">
         <property name="visible">True</property>
         <property name="can_focus">False</property>
-        <property name="spacing">2</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area12">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_forms_cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="zenity_forms_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_error_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="can_default">True</property>
           </object>
           <packing>
             <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
+            <property name="fill">False</property>
             <property name="position">0</property>
           </packing>
         </child>
+      </object>
+    </child>
+  </object>
+  <object class="GtkDialog" id="zenity_forms_dialog">
+    <property name="can_focus">0</property>
+    <property name="border_width">5</property>
+    <property name="window_position">center</property>
+    <property name="type_hint">normal</property>
+    <child internal-child="content_area">
+      <object class="GtkBox" id="dialog-vbox12">
+        <property name="can_focus">0</property>
+        <property name="spacing">2</property>
         <child>
           <object class="GtkFrame" id="frame1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="label_xalign">0</property>
-            <child>
+            <property name="can_focus">0</property>
+            <property name="child">
               <object class="GtkGrid" id="zenity_forms_grid">
-                <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="can_focus">0</property>
+                <property name="margin-start">12</property>
+                <property name="margin-end">6</property>
                 <property name="margin_top">12</property>
                 <property name="margin_bottom">6</property>
                 <property name="row_spacing">6</property>
@@ -650,23 +445,17 @@
                   <placeholder/>
                 </child>
               </object>
-            </child>
+            </property>
             <child type="label">
               <object class="GtkLabel" id="zenity_forms_text">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can_focus">0</property>
                 <property name="label" translatable="yes">Forms dialog</property>
                 <attributes>
-                  <attribute name="weight" value="bold"/>
+                  <attribute name="weight" value="bold"></attribute>
                 </attributes>
               </object>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
@@ -674,195 +463,168 @@
       <action-widget response="-6">zenity_forms_cancel_button</action-widget>
       <action-widget response="-5">zenity_forms_ok_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area12">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_forms_cancel_button">
+            <property name="label" translatable="yes">Cancel</property>
+            <property name="receives_default">1</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="zenity_forms_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="receives_default">1</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkDialog" id="zenity_info_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Information</property>
     <property name="window_position">center</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox9">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="spacing">14</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area3">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_info_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="hbox4">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="spacing">12</property>
             <child>
               <object class="GtkImage" id="zenity_info_image">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="halign">center</property>
+                <property name="can_focus">0</property>
                 <property name="yalign">0</property>
                 <property name="icon_name">dialog-information</property>
                 <property name="icon_size">6</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="zenity_info_text">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="halign">center</property>
                 <property name="label" translatable="yes">All updates are complete.</property>
-                <property name="wrap">True</property>
-                <property name="selectable">True</property>
+                <property name="wrap">1</property>
+                <property name="selectable">1</property>
                 <property name="yalign">0</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
     <action-widgets>
       <action-widget response="-5">zenity_info_ok_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area3">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_info_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkDialog" id="zenity_progress_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Progress</property>
     <property name="window_position">center</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox6">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="spacing">2</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area6">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_progress_cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="zenity_progress_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="sensitive">False</property>
-                <property name="can_focus">True</property>
-                <property name="has_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="vbox7">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="halign">center</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="orientation">vertical</property>
             <property name="spacing">6</property>
             <child>
               <object class="GtkLabel" id="zenity_progress_text">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="valign">center</property>
+                <property name="can_focus">0</property>
                 <property name="label" translatable="yes">Running...</property>
-                <property name="wrap">True</property>
+                <property name="wrap">1</property>
                 <property name="xalign">0</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkProgressBar" id="zenity_progress_bar">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="valign">center</property>
+                <property name="can_focus">0</property>
                 <property name="pulse_step">0.10000000149</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="zenity_progress_time">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="valign">center</property>
+                <property name="can_focus">0</property>
                 <property name="xalign">0</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">2</property>
-              </packing>
             </child>
           </object>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">zenity_progress_cancel_button</action-widget>
+      <action-widget response="-5">zenity_progress_ok_button</action-widget>
+    </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area6">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_progress_cancel_button">
+            <property name="label" translatable="yes">Cancel</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="zenity_progress_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="sensitive">0</property>
+            <property name="has_focus">1</property>
+            <property name="can_default">True</property>
+          </object>
           <packing>
             <property name="expand">False</property>
             <property name="fill">False</property>
@@ -871,84 +633,55 @@
         </child>
       </object>
     </child>
-    <action-widgets>
-      <action-widget response="-6">zenity_progress_cancel_button</action-widget>
-      <action-widget response="-5">zenity_progress_ok_button</action-widget>
-    </action-widgets>
   </object>
   <object class="GtkDialog" id="zenity_question_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Question</property>
     <property name="window_position">center</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox3">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="spacing">14</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="zenity_question_button_box">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="hbox1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="spacing">12</property>
             <child>
               <object class="GtkImage" id="zenity_question_image">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can_focus">0</property>
                 <property name="xalign">0</property>
                 <property name="yalign">0</property>
                 <property name="icon_name">dialog-question</property>
                 <property name="icon_size">6</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="zenity_question_text">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="halign">center</property>
                 <property name="label" translatable="yes">Are you sure you want to proceed?</property>
-                <property name="wrap">True</property>
-                <property name="selectable">True</property>
+                <property name="wrap">1</property>
+                <property name="selectable">1</property>
                 <property name="yalign">0</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="zenity_question_button_box">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+      </object>
+    </child>
   </object>
   <object class="GtkDialog" id="zenity_tree_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Select items from the list</property>
     <property name="window_position">center</property>
@@ -956,100 +689,39 @@
     <property name="default_height">196</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox8">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area8">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_tree_cancel_button">
-                <property name="label" translatable="yes">Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="zenity_tree_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
+        <property name="can_focus">0</property>
         <child>
           <object class="GtkBox" id="vbox10">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="orientation">vertical</property>
             <property name="spacing">6</property>
             <child>
               <object class="GtkLabel" id="zenity_tree_text">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="valign">center</property>
+                <property name="can_focus">0</property>
                 <property name="label" translatable="yes">Select items from the list below.</property>
                 <property name="xalign">0</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkScrolledWindow" id="zenity_tree_window">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
                 <property name="shadow_type">in</property>
-                <property name="expand">True</property>
-                <child>
+                <property name="hexpand">1</property>
+                <property name="vexpand">1</property>
+                <property name="child">
                   <object class="GtkTreeView" id="zenity_tree_view">
-                    <property name="visible">True</property>
-                    <property name="can_focus">True</property>
-                    <property name="has_focus">True</property>
+                    <property name="has_focus">1</property>
                     <child internal-child="selection">
                       <object class="GtkTreeSelection" id="treeview-selection1"/>
                     </child>
                   </object>
-                </child>
+                </property>
               </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">1</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
@@ -1057,94 +729,95 @@
       <action-widget response="-6">zenity_tree_cancel_button</action-widget>
       <action-widget response="-5">zenity_tree_ok_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area8">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_tree_cancel_button">
+            <property name="label" translatable="yes">Cancel</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="zenity_tree_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
   <object class="GtkDialog" id="zenity_warning_dialog">
-    <property name="can_focus">False</property>
+    <property name="can_focus">0</property>
     <property name="border_width">5</property>
     <property name="title" translatable="yes">Warning</property>
     <property name="window_position">center</property>
     <property name="type_hint">dialog</property>
     <signal name="destroy" handler="gtk_main_quit" swapped="no"/>
-    <child internal-child="vbox">
+    <child internal-child="content_area">
       <object class="GtkBox" id="dialog-vbox1">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
+        <property name="can_focus">0</property>
         <property name="spacing">14</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="zenity_warning_ok_button">
-                <property name="label" translatable="yes">OK</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="has_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkBox" id="hbox2">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
+            <property name="can_focus">0</property>
             <property name="border_width">5</property>
             <property name="spacing">12</property>
             <child>
               <object class="GtkImage" id="zenity_warning_image">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
+                <property name="can_focus">0</property>
                 <property name="xalign">0</property>
                 <property name="yalign">0</property>
                 <property name="icon_name">dialog-warning</property>
                 <property name="icon_size">6</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
             </child>
             <child>
               <object class="GtkLabel" id="zenity_warning_text">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
+                <property name="halign">center</property>
                 <property name="label" translatable="yes">Are you sure you want to proceed?</property>
-                <property name="wrap">True</property>
-                <property name="selectable">True</property>
+                <property name="wrap">1</property>
+                <property name="selectable">1</property>
                 <property name="yalign">0</property>
               </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
             </child>
           </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
         </child>
       </object>
     </child>
     <action-widgets>
       <action-widget response="-5">zenity_warning_ok_button</action-widget>
     </action-widgets>
+    <child internal-child="action_area">
+      <object class="GtkButtonBox" id="dialog-action_area1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="layout_style">end</property>
+        <child>
+          <object class="GtkButton" id="zenity_warning_ok_button">
+            <property name="label" translatable="yes">OK</property>
+            <property name="has_focus">1</property>
+            <property name="can_default">True</property>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+      </object>
+    </child>
   </object>
 </interface>
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