[shotwell] Extract SetBackground dialog

[Jens Georg <jensgeorg src gnome org>]

commit af567f9ca897202763c770e979cd1d1781cebe7b
Author: Jens Georg <mail jensge org>
Date:   Wed Dec 20 16:38:27 2017 +0100

    Extract SetBackground dialog

 shotwell.am                    |    1 +
 src/Dialogs.vala               |   33 ---------------------------------
 src/dialogs/SetBackground.vala |   40 ++++++++++++++++++++++++++++++++++++++++
 src/meson.build                |    1 +
 4 files changed, 42 insertions(+), 33 deletions(-)
---
diff --git a/shotwell.am b/shotwell.am
index 05af1f7..e7d0655 100644
--- a/shotwell.am
+++ b/shotwell.am
@@ -62,6 +62,7 @@ shotwell_SOURCES = \
        src/db/VideoTable.vala \
        src/db/VersionTable.vala \
        src/db/SavedSearchDBTable.vala \
+       src/dialogs/SetBackground.vala \
        src/editing_tools/EditingTools.vala \
        src/editing_tools/RGBHistogramManipulator.vala \
        src/editing_tools/StraightenTool.vala \
diff --git a/src/Dialogs.vala b/src/Dialogs.vala
index 69d48fa..5439426 100644
--- a/src/Dialogs.vala
+++ b/src/Dialogs.vala
@@ -1080,39 +1080,6 @@ public class EntryMultiCompletion : Gtk.EntryCompletion {
     }
 }
 
-[GtkTemplate (ui = "/org/gnome/Shotwell/ui/set_background_dialog.ui")]
-public class SetBackgroundPhotoDialog : Gtk.Dialog {
-    [GtkChild]
-    private Gtk.CheckButton desktop_background_checkbox;
-    [GtkChild]
-    private Gtk.CheckButton screensaver_checkbox;
-
-    public SetBackgroundPhotoDialog() {
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        Object(use_header_bar: use_header ? 1 : 0);
-        this.set_transient_for (AppWindow.get_instance());
-    }
-
-    [GtkCallback]
-    private void on_checkbox_clicked() {
-        set_response_sensitive (Gtk.ResponseType.OK,
-                                desktop_background_checkbox.active ||
-                                screensaver_checkbox.active);
-    }
-
-    public bool execute(out bool desktop_background, out bool screensaver) {
-        this.show_all();
-        var result = this.run() == Gtk.ResponseType.OK;
-        this.hide ();
-
-        desktop_background = desktop_background_checkbox.active;
-        screensaver = screensaver_checkbox.active;
-
-        this.destroy();
-        return result;
-    }
-}
 
 [GtkTemplate (ui = "/org/gnome/Shotwell/ui/set_background_slideshow_dialog.ui")]
 public class SetBackgroundSlideshowDialog : Gtk.Dialog {
diff --git a/src/dialogs/SetBackground.vala b/src/dialogs/SetBackground.vala
new file mode 100644
index 0000000..3017f19
--- /dev/null
+++ b/src/dialogs/SetBackground.vala
@@ -0,0 +1,40 @@
+/* Copyright 2016 Software Freedom Conservancy Inc.
+ * Copyright 2017 Jens Georg <mail jensge org>
+ *
+ * This software is licensed under the GNU LGPL (version 2.1 or later).
+ * See the COPYING file in this distribution.
+ */
+
+[GtkTemplate (ui = "/org/gnome/Shotwell/ui/set_background_dialog.ui")]
+public class SetBackgroundPhotoDialog : Gtk.Dialog {
+    [GtkChild]
+    private Gtk.CheckButton desktop_background_checkbox;
+    [GtkChild]
+    private Gtk.CheckButton screensaver_checkbox;
+
+    public SetBackgroundPhotoDialog() {
+        bool use_header;
+        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
+        Object(use_header_bar: use_header ? 1 : 0);
+        this.set_transient_for (AppWindow.get_instance());
+    }
+
+    [GtkCallback]
+    private void on_checkbox_clicked() {
+        set_response_sensitive (Gtk.ResponseType.OK,
+                                desktop_background_checkbox.active ||
+                                screensaver_checkbox.active);
+    }
+
+    public bool execute(out bool desktop_background, out bool screensaver) {
+        this.show_all();
+        var result = this.run() == Gtk.ResponseType.OK;
+        this.hide ();
+
+        desktop_background = desktop_background_checkbox.active;
+        screensaver = screensaver_checkbox.active;
+
+        this.destroy();
+        return result;
+    }
+}
diff --git a/src/meson.build b/src/meson.build
index d094a1f..c471e7d 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -192,6 +192,7 @@ executable('shotwell',
             'MediaViewTracker.vala',
             'UnityProgressBar.vala',
             'Upgrades.vala',
+            'dialogs/SetBackground.vala',
             '.unitize/_UnitInternals.vala',
             '.unitize/_UtilInternals.vala',
             '.unitize/_ThreadsInternals.vala',