From 5688856331109e77d7362f5665fb178d1c269a39 Mon Sep 17 00:00:00 2001
From: lukefromdc <lukefromdc@hushmail.com>
Date: Wed, 17 May 2023 23:00:54 -0400
Subject: Initial wayland support

---
 src/caja-application.c | 48 +++++++++++++++++++++++++++---------------------
 src/caja-main.c        |  2 --
 src/caja-window.c      |  6 ++----
 3 files changed, 29 insertions(+), 27 deletions(-)

(limited to 'src')

diff --git a/src/caja-application.c b/src/caja-application.c
index 5f7a8ac4..1467e421 100644
--- a/src/caja-application.c
+++ b/src/caja-application.c
@@ -634,38 +634,44 @@ selection_get_cb (GtkWidget          *widget,
 static GtkWidget *
 get_desktop_manager_selection (GdkDisplay *display)
 {
-    char selection_name[32];
-    GdkAtom selection_atom;
-    Window selection_owner;
-    GtkWidget *selection_widget;
-
-    g_snprintf (selection_name, sizeof (selection_name), "_NET_DESKTOP_MANAGER_S0");
-    selection_atom = gdk_atom_intern (selection_name, FALSE);
-
-    selection_owner = XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display),
+	/*FIXME: for Wayland we need a new desktop canvas anyway
+    *so when that is ready we will need to add a wayland code
+    *path here to support it
+    */
+    if  (GDK_IS_X11_DISPLAY (display)){
+        char selection_name[32];
+        GdkAtom selection_atom;
+        Window selection_owner;
+        GtkWidget *selection_widget;
+
+        g_snprintf (selection_name, sizeof (selection_name), "_NET_DESKTOP_MANAGER_S0");
+        selection_atom = gdk_atom_intern (selection_name, FALSE);
+
+        selection_owner = XGetSelectionOwner (GDK_DISPLAY_XDISPLAY (display),
                                           gdk_x11_atom_to_xatom_for_display (display,
                                                   selection_atom));
-    if (selection_owner != None)
-    {
+        if (selection_owner != None)
+        {
         return NULL;
-    }
+        }
 
-    selection_widget = gtk_invisible_new_for_screen (gdk_display_get_default_screen (display));
-    /* We need this for gdk_x11_get_server_time() */
-    gtk_widget_add_events (selection_widget, GDK_PROPERTY_CHANGE_MASK);
+        selection_widget = gtk_invisible_new_for_screen (gdk_display_get_default_screen (display));
+        /* We need this for gdk_x11_get_server_time() */
+        gtk_widget_add_events (selection_widget, GDK_PROPERTY_CHANGE_MASK);
 
-    if (gtk_selection_owner_set_for_display (display,
+        if (gtk_selection_owner_set_for_display (display,
             selection_widget,
             selection_atom,
             gdk_x11_get_server_time (gtk_widget_get_window (selection_widget))))
-    {
+        {
 
-        g_signal_connect (selection_widget, "selection_get",
+            g_signal_connect (selection_widget, "selection_get",
                           G_CALLBACK (selection_get_cb), NULL);
-        return selection_widget;
-    }
+            return selection_widget;
+        }
 
-    gtk_widget_destroy (selection_widget);
+        gtk_widget_destroy (selection_widget);
+    }
 
     return NULL;
 }
diff --git a/src/caja-main.c b/src/caja-main.c
index 75ccbdf5..11871257 100644
--- a/src/caja-main.c
+++ b/src/caja-main.c
@@ -250,8 +250,6 @@ main (int argc, char *argv[])
 
 	g_set_prgname ("caja");
 
-	gdk_set_allowed_backends ("x11");
-
 	if (g_file_test (DATADIR "/applications/caja.desktop", G_FILE_TEST_EXISTS)) {
 		egg_set_desktop_file (DATADIR "/applications/caja.desktop");
 	}
diff --git a/src/caja-window.c b/src/caja-window.c
index 2417e07c..a67a5ee4 100644
--- a/src/caja-window.c
+++ b/src/caja-window.c
@@ -591,8 +591,7 @@ caja_window_zoom_to_default (CajaWindow *window)
 static guint
 get_max_forced_height (GdkScreen *screen)
 {
-    gint scale = gdk_window_get_scale_factor (gdk_screen_get_root_window (screen));
-    return (HeightOfScreen (gdk_x11_screen_get_xscreen (screen)) / scale * 90) / 100;
+    return (gdk_screen_get_height (screen) * 90) / 100;
 }
 
 /* Code should never force the window wider than this size.
@@ -601,8 +600,7 @@ get_max_forced_height (GdkScreen *screen)
 static guint
 get_max_forced_width (GdkScreen *screen)
 {
-    gint scale = gdk_window_get_scale_factor (gdk_screen_get_root_window (screen));
-    return (WidthOfScreen (gdk_x11_screen_get_xscreen (screen)) / scale * 90) / 100;
+    return (gdk_screen_get_width (screen) * 90) / 100;
 }
 
 /* This must be called when construction of CajaWindow is finished,
-- 
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