From edee40a179021323ebc0f7aafff506be3d34ef55 Mon Sep 17 00:00:00 2001
From: Ilya Fedin <fedin-ilja2010@ya.ru>
Date: Mon, 4 Jul 2022 20:36:38 +0400
Subject: QGtk3Theme: Use GDK X11-specific API only built with X11

And respect xlib config option

Pick-to: 6.4 6.3 6.2
Change-Id: I596097259ed008357e739c3cfe41ab2fc4e18db7
Reviewed-by: Dmitry Shachnev <mitya57@gmail.com>
Reviewed-by: Liang Qi <liang.qi@qt.io>
---
 src/plugins/platformthemes/gtk3/CMakeLists.txt         | 9 ++++++++-
 src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp | 7 ++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

(limited to 'src/plugins/platformthemes')

diff --git a/src/plugins/platformthemes/gtk3/CMakeLists.txt b/src/plugins/platformthemes/gtk3/CMakeLists.txt
index 62e752bd92..03756688ee 100644
--- a/src/plugins/platformthemes/gtk3/CMakeLists.txt
+++ b/src/plugins/platformthemes/gtk3/CMakeLists.txt
@@ -1,7 +1,10 @@
 # Generated from gtk3.pro.
 
 qt_find_package(GTK3) # special case
-qt_find_package(X11) # special case
+
+if(QT_FEATURE_xlib)
+    qt_find_package(X11) # special case
+endif()
 
 #####################################################################
 ## QGtk3ThemePlugin Plugin:
@@ -24,6 +27,10 @@ qt_internal_add_plugin(QGtk3ThemePlugin
         Qt::CorePrivate
         Qt::Gui
         Qt::GuiPrivate
+)
+
+qt_internal_extend_target(QGtk3ThemePlugin CONDITION QT_FEATURE_xlib
+    LIBRARIES
         X11::X11 # special case
 )
 
diff --git a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
index 1fb6a22b31..9826d1f4b1 100644
--- a/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
+++ b/src/plugins/platformthemes/gtk3/qgtk3dialoghelpers.cpp
@@ -17,9 +17,12 @@
 #undef signals
 #include <gtk/gtk.h>
 #include <gdk/gdk.h>
-#include <gdk/gdkx.h>
 #include <pango/pango.h>
 
+#if QT_CONFIG(xlib) && defined(GDK_WINDOWING_X11)
+#include <gdk/gdkx.h>
+#endif
+
 // The size of the preview we display for selected image files. We set height
 // larger than width because generally there is more free space vertically
 // than horizontally (setting the preview image will always expand the width of
@@ -105,12 +108,14 @@ bool QGtk3Dialog::show(Qt::WindowFlags flags, Qt::WindowModality modality, QWind
 
     GdkWindow *gdkWindow = gtk_widget_get_window(gtkWidget);
     if (parent) {
+#if QT_CONFIG(xlib) && defined(GDK_WINDOWING_X11)
         if (GDK_IS_X11_WINDOW(gdkWindow)) {
             GdkDisplay *gdkDisplay = gdk_window_get_display(gdkWindow);
             XSetTransientForHint(gdk_x11_display_get_xdisplay(gdkDisplay),
                                  gdk_x11_window_get_xid(gdkWindow),
                                  parent->winId());
         }
+#endif
     }
 
     if (modality != Qt::NonModal) {
-- 
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