[nautilus/wip/antoniof/gtk4-preparation-file-chooser-api: 12/16] properties-window: Don't set filechooser preview

[António Fernandes <antoniof src gnome org>]

commit 34d0d8669ad32d566c4024f1647ed7090cd40924
Author: António Fernandes <antoniof gnome org>
Date:   Wed Dec 22 23:42:35 2021 +0000

    properties-window: Don't set filechooser preview
    
    GTK 4 won't support this in any way. Remove in advance.

 src/nautilus-properties-window.c | 56 +---------------------------------------
 1 file changed, 1 insertion(+), 55 deletions(-)
---
diff --git a/src/nautilus-properties-window.c b/src/nautilus-properties-window.c
index 87e5b118c..19f944468 100644
--- a/src/nautilus-properties-window.c
+++ b/src/nautilus-properties-window.c
@@ -49,8 +49,6 @@
 #include "nautilus-ui-utilities.h"
 #include "nautilus-signaller.h"
 
-#define PREVIEW_IMAGE_WIDTH 96
-
 static GHashTable *windows;
 static GHashTable *pending_lists;
 
@@ -5194,49 +5192,6 @@ set_icon (const char               *icon_uri,
     }
 }
 
-static void
-update_preview_callback (GtkFileChooser           *icon_chooser,
-                         NautilusPropertiesWindow *self)
-{
-    GtkWidget *preview_widget;
-    g_autoptr (GdkPixbuf) pixbuf = NULL;
-    g_autofree char *filename = NULL;
-
-    filename = gtk_file_chooser_get_filename (icon_chooser);
-    if (filename != NULL)
-    {
-        pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
-    }
-
-    if (pixbuf != NULL)
-    {
-        preview_widget = gtk_file_chooser_get_preview_widget (icon_chooser);
-        gtk_file_chooser_set_preview_widget_active (icon_chooser, TRUE);
-
-        if (gdk_pixbuf_get_width (pixbuf) > PREVIEW_IMAGE_WIDTH)
-        {
-            double scale;
-            GdkPixbuf *scaled_pixbuf;
-
-            scale = (double) gdk_pixbuf_get_height (pixbuf) /
-                    gdk_pixbuf_get_width (pixbuf);
-
-            scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
-                                                     PREVIEW_IMAGE_WIDTH,
-                                                     scale * PREVIEW_IMAGE_WIDTH,
-                                                     GDK_INTERP_BILINEAR);
-            g_object_unref (pixbuf);
-            pixbuf = scaled_pixbuf;
-        }
-
-        gtk_image_set_from_pixbuf (GTK_IMAGE (preview_widget), pixbuf);
-    }
-    else
-    {
-        gtk_file_chooser_set_preview_widget_active (icon_chooser, FALSE);
-    }
-}
-
 static void
 custom_icon_file_chooser_response_cb (GtkDialog                *dialog,
                                       gint                      response,
@@ -5279,7 +5234,7 @@ static void
 select_image_button_callback (GtkWidget                *widget,
                               NautilusPropertiesWindow *self)
 {
-    GtkWidget *dialog, *preview;
+    GtkWidget *dialog;
     GtkFileFilter *filter;
     GList *l;
     NautilusFile *file;
@@ -5307,15 +5262,6 @@ select_image_button_callback (GtkWidget                *widget,
         gtk_file_filter_add_pixbuf_formats (filter);
         gtk_file_chooser_set_filter (GTK_FILE_CHOOSER (dialog), filter);
 
-        preview = gtk_image_new ();
-        gtk_widget_set_size_request (preview, PREVIEW_IMAGE_WIDTH, -1);
-        gtk_file_chooser_set_preview_widget (GTK_FILE_CHOOSER (dialog), preview);
-        gtk_file_chooser_set_use_preview_label (GTK_FILE_CHOOSER (dialog), FALSE);
-        gtk_file_chooser_set_preview_widget_active (GTK_FILE_CHOOSER (dialog), FALSE);
-
-        g_signal_connect (dialog, "update-preview",
-                          G_CALLBACK (update_preview_callback), self);
-
         self->icon_chooser = dialog;
 
         g_object_add_weak_pointer (G_OBJECT (dialog),