Fix Gtk warnings

* src/gtkutil.c (xg_frame_set_char_size): Call appropriate function
(xg_set_undecorated): Do nothing if child frame.
(xg_set_no_focus_on_map): Do nothing if child frame.
(xg_set_no_accept_focus): Do nothing if child frame.
(xg_set_frame_icon): Do nothing if child frame.
(xg_get_file_name): Do nothing if child frame.
(xg_get_font):
* src/pgtkterm.c (pgtk_focus_frame): Do nothing if child frames.
(x_set_frame_alpha): Select correct widget.
(x_new_focus_frame): Focus only when non-child frames.
(pgtk_set_event_handler): Don't set for child frames.
* src/pgtkfns.c (xg_set_icon): Do nothing if child frames.
(xg_set_icon_from_xpm_data): Do nothing if child frames.
(pgtk_set_sticky): Do nothing if child frames.
(Fx_show_tip): Do nothing if child frames.
(Fpgtk_set_mouse_absolute_pixel_position): Select correct widget.
(Fpgtk_mouse_absolute_pixel_position): Select correct widget.
* src/pgtkmenu.c (pgtk_menu_show):
(pgtk_dialog_show):

4 files changed, 98 insertions, 25 deletions

diff --git a/src/gtkutil.c b/src/gtkutil.c
index 56d415887d0..a62616bbfc6 100644
--- a/src/gtkutil.c
+++ b/src/gtkutil.c
@@ -1098,8 +1098,21 @@ xg_frame_set_char_size (struct frame *f, int width, int height)
         (f, Qxg_frame_set_char_size_1, width, height,
          list2i (gheight, totalheight));
 
+#ifndef HAVE_PGTK
       gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
                          gwidth, totalheight);
+#else
+      if (FRAME_GTK_OUTER_WIDGET (f))
+        {
+          gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
+                             gwidth, totalheight);
+        }
+      else
+        {
+          gtk_widget_set_size_request (FRAME_GTK_WIDGET (f),
+                                       gwidth, totalheight);
+        }
+#endif
     }
   else if (EQ (fullscreen, Qfullheight) && height == FRAME_TEXT_HEIGHT (f))
     {
@@ -1107,8 +1120,21 @@ xg_frame_set_char_size (struct frame *f, int width, int height)
         (f, Qxg_frame_set_char_size_2, width, height,
          list2i (gwidth, totalwidth));
 
+#ifndef HAVE_PGTK
       gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
                          totalwidth, gheight);
+#else
+      if (FRAME_GTK_OUTER_WIDGET (f))
+        {
+          gtk_window_resize (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)),
+                             totalwidth, gheight);
+        }
+      else
+        {
+          gtk_widget_set_size_request (FRAME_GTK_WIDGET (f),
+                                       totalwidth, gheight);
+        }
+#endif
     }
   else if (FRAME_PARENT_FRAME (f) && FRAME_VISIBLE_P (f))
     {
@@ -1880,6 +1906,10 @@ xg_set_background_color (struct frame *f, unsigned long bg)
 void
 xg_set_undecorated (struct frame *f, Lisp_Object undecorated)
 {
+#ifdef HAVE_PGTK
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return;
+#endif
   if (FRAME_GTK_WIDGET (f))
     {
       block_input ();
@@ -1940,6 +1970,10 @@ xg_set_skip_taskbar (struct frame *f, Lisp_Object skip_taskbar)
 void
 xg_set_no_focus_on_map (struct frame *f, Lisp_Object no_focus_on_map)
 {
+#ifdef HAVE_PGTK
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return;
+#endif
   block_input ();
   if (FRAME_GTK_WIDGET (f))
     {
@@ -1955,14 +1989,12 @@ xg_set_no_focus_on_map (struct frame *f, Lisp_Object no_focus_on_map)
 void
 xg_set_no_accept_focus (struct frame *f, Lisp_Object no_accept_focus)
 {
-  block_input ();
-  if (
-#ifndef HAVE_PGTK
-      FRAME_GTK_WIDGET (f)
-#else
-      FRAME_GTK_OUTER_WIDGET (f)
+#ifdef HAVE_PGTK
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return;
 #endif
-      )
+  block_input ();
+  if (FRAME_GTK_WIDGET (f))
     {
       GtkWindow *gwin = GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f));
       gboolean g_no_accept_focus = NILP (no_accept_focus) ? TRUE : FALSE;
@@ -1994,6 +2026,10 @@ xg_set_override_redirect (struct frame *f, Lisp_Object override_redirect)
 void
 xg_set_frame_icon (struct frame *f, Pixmap icon_pixmap, Pixmap icon_mask)
 {
+#ifdef HAVE_PGTK
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return;
+#endif
   GdkPixbuf *gp = xg_get_pixbuf_from_pix_and_mask (f,
                                                    icon_pixmap,
                                                    icon_mask);
@@ -2537,6 +2573,11 @@ xg_get_file_name (struct frame *f,
   int filesel_done = 0;
   xg_get_file_func func;
 
+#ifdef HAVE_PGTK
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    error("Can't open dialog from child frames");
+#endif
+
 #ifdef HAVE_GTK_FILE_SELECTION_NEW
 
   if (xg_uses_old_file_dialog ())
@@ -2620,6 +2661,11 @@ xg_get_font (struct frame *f, const char *default_name)
   int done = 0;
   Lisp_Object font = Qnil;
 
+#ifdef HAVE_PGTK
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    error("Can't open dialog from child frames");
+#endif
+
   w = gtk_font_chooser_dialog_new
     ("Pick a font", GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
 
diff --git a/src/pgtkfns.c b/src/pgtkfns.c
index 4ecb03b91c0..ece63517b22 100644
--- a/src/pgtkfns.c
+++ b/src/pgtkfns.c
@@ -719,6 +719,9 @@ xg_set_icon (struct frame *f, Lisp_Object file)
   bool result = false;
   Lisp_Object found;
 
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return false;
+
   found = image_find_image_file (file);
 
   if (!NILP (found))
@@ -755,6 +758,9 @@ xg_set_icon_from_xpm_data (struct frame *f, const char **data)
   if (!pixbuf)
     return false;
 
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return false;
+
   gtk_window_set_icon (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)), pixbuf);
   g_object_unref (pixbuf);
   return true;
@@ -764,6 +770,9 @@ static void
 pgtk_set_sticky (struct frame *f, Lisp_Object new_value,
                  Lisp_Object old_value)
 {
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return;
+
   if (!NILP (new_value))
     gtk_window_stick (GTK_WINDOW (FRAME_GTK_OUTER_WIDGET (f)));
   else
@@ -3055,6 +3064,9 @@ Text larger than the specified size is clipped.  */)
     frame = selected_frame;
   f = decode_window_system_frame (frame);
 
+  if (!FRAME_GTK_OUTER_WIDGET (f))
+    return unbind_to (count, Qnil);
+
   if (NILP (timeout))
     timeout = make_fixnum (5);
   else
@@ -3457,7 +3469,7 @@ The coordinates X and Y are interpreted in pixels relative to a position
   (Lisp_Object x, Lisp_Object y)
 {
   struct frame *f = SELECTED_FRAME ();
-  GtkWidget *widget = FRAME_GTK_OUTER_WIDGET (f);
+  GtkWidget *widget = gtk_widget_get_toplevel (FRAME_WIDGET (f));
   GdkWindow *window = gtk_widget_get_window (widget);
   GdkDisplay *gdpy = gdk_window_get_display (window);
   GdkScreen *gscr = gdk_window_get_screen (window);
@@ -3478,7 +3490,7 @@ position (0, 0) of the selected frame's terminal. */)
   (void)
 {
   struct frame *f = SELECTED_FRAME ();
-  GtkWidget *widget = FRAME_GTK_OUTER_WIDGET (f);
+  GtkWidget *widget = gtk_widget_get_toplevel (FRAME_WIDGET (f));
   GdkWindow *window = gtk_widget_get_window (widget);
   GdkDisplay *gdpy = gdk_window_get_display (window);
   GdkScreen *gscr;
diff --git a/src/pgtkmenu.c b/src/pgtkmenu.c
index 7d15340b6be..79f562e2ab4 100644
--- a/src/pgtkmenu.c
+++ b/src/pgtkmenu.c
@@ -640,6 +640,11 @@ pgtk_menu_show (struct frame *f, int x, int y, int menuflags,
 
   *error_name = NULL;
 
+  if (!FRAME_GTK_OUTER_WIDGET (f)) {
+    *error_name = "Can't popup from child frames.";
+    return Qnil;
+  }
+
   if (menu_items_used <= MENU_ITEMS_PANE_LENGTH)
     {
       *error_name = "Empty menu";
@@ -944,6 +949,11 @@ pgtk_dialog_show (struct frame *f, Lisp_Object title,
 
   *error_name = NULL;
 
+  if (!FRAME_GTK_OUTER_WIDGET (f)) {
+    *error_name = "Can't popup from child frames.";
+    return Qnil;
+  }
+
   if (menu_items_n_panes > 1)
     {
       *error_name = "Multiple panes in dialog box";
diff --git a/src/pgtkterm.c b/src/pgtkterm.c
index c66379e6e4b..6e2c87f8210 100644
--- a/src/pgtkterm.c
+++ b/src/pgtkterm.c
@@ -4660,7 +4660,7 @@ pgtk_focus_frame (struct frame *f, bool noactivate)
 
   GtkWidget *wid = FRAME_GTK_OUTER_WIDGET (f);
 
-  if (dpyinfo->x_focus_frame != f)
+  if (dpyinfo->x_focus_frame != f && wid != NULL)
     {
       block_input ();
       gtk_window_present (GTK_WINDOW (wid));
@@ -4718,9 +4718,9 @@ x_set_frame_alpha (struct frame *f)
     }
 #endif
 
-  set_opacity_recursively (FRAME_GTK_OUTER_WIDGET (f), &alpha);
+  set_opacity_recursively (FRAME_WIDGET (f), &alpha);
   /* without this, blending mode is strange on wayland. */
-  gtk_widget_queue_resize_no_redraw (FRAME_GTK_OUTER_WIDGET (f));
+  gtk_widget_queue_resize_no_redraw (FRAME_WIDGET (f));
 }
 
 static void
@@ -4891,12 +4891,14 @@ x_new_focus_frame (struct pgtk_display_info *dpyinfo, struct frame *frame)
       dpyinfo->x_focus_frame = frame;
 
       if (old_focus && old_focus->auto_lower)
-        gdk_window_lower (gtk_widget_get_window
-                          (FRAME_GTK_OUTER_WIDGET (old_focus)));
+        if (FRAME_GTK_OUTER_WIDGET (old_focus))
+          gdk_window_lower (gtk_widget_get_window
+                            (FRAME_GTK_OUTER_WIDGET (old_focus)));
 
       if (dpyinfo->x_focus_frame && dpyinfo->x_focus_frame->auto_raise)
-        gdk_window_raise (gtk_widget_get_window
-                          (FRAME_GTK_OUTER_WIDGET (dpyinfo->x_focus_frame)));
+        if (FRAME_GTK_OUTER_WIDGET (dpyinfo->x_focus_frame))
+          gdk_window_raise (gtk_widget_get_window
+                            (FRAME_GTK_OUTER_WIDGET (dpyinfo->x_focus_frame)));
     }
 
   pgtk_frame_rehighlight (dpyinfo);
@@ -6567,15 +6569,18 @@ pgtk_set_event_handler (struct frame *f)
                      GDK_ACTION_COPY);
   gtk_drag_dest_add_uri_targets (FRAME_GTK_WIDGET (f));
 
-  g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)),
-                    "window-state-event", G_CALLBACK (window_state_event),
-                    NULL);
-  g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)), "delete-event",
-                    G_CALLBACK (delete_event), NULL);
-  g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)), "event",
-                    G_CALLBACK (pgtk_handle_event), NULL);
-  g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)), "configure-event",
-                    G_CALLBACK (configure_event), NULL);
+  if (FRAME_GTK_OUTER_WIDGET (f))
+    {
+      g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)),
+                        "window-state-event", G_CALLBACK (window_state_event),
+                        NULL);
+      g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)), "delete-event",
+                        G_CALLBACK (delete_event), NULL);
+      g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)), "event",
+                        G_CALLBACK (pgtk_handle_event), NULL);
+      g_signal_connect (G_OBJECT (FRAME_GTK_OUTER_WIDGET (f)), "configure-event",
+                        G_CALLBACK (configure_event), NULL);
+    }
 
   g_signal_connect (G_OBJECT (FRAME_GTK_WIDGET (f)), "map-event",
                     G_CALLBACK (map_event), NULL);