[gnome-subtitles/gtk3] Minor improvements

[Pedro Daniel da Rocha Melo e Castro <pcastro src gnome org>]

commit da0fd1b85f799affda25699d333aa584b4638c88
Author: Pedro Castro <pedro gnomesubtitles org>
Date:   Sat Dec 2 12:18:20 2017 +0000

    Minor improvements

 src/GnomeSubtitles/Dialog/EncodingsDialog.cs |    4 ++--
 src/GnomeSubtitles/Dialog/VideoOpenDialog.cs |   23 ++++++++++++++---------
 2 files changed, 16 insertions(+), 11 deletions(-)
---
diff --git a/src/GnomeSubtitles/Dialog/EncodingsDialog.cs b/src/GnomeSubtitles/Dialog/EncodingsDialog.cs
index 079d177..d86463b 100644
--- a/src/GnomeSubtitles/Dialog/EncodingsDialog.cs
+++ b/src/GnomeSubtitles/Dialog/EncodingsDialog.cs
@@ -59,8 +59,8 @@ public class EncodingsDialog : BaseDialog {
        private void BuildDialog (Window parent) {
                dialog = new Gtk.Dialog(Catalog.GetString("Character Encodings"), parent, DialogFlags.Modal | 
DialogFlagsUseHeaderBar);
 
-               dialog.WidthRequest = 600;
-               dialog.HeightRequest = 400;
+               dialog.DefaultWidth = 600;
+               dialog.DefaultHeight = 400;
 
                Grid grid = new Grid();
                grid.RowSpacing = 6;
diff --git a/src/GnomeSubtitles/Dialog/VideoOpenDialog.cs b/src/GnomeSubtitles/Dialog/VideoOpenDialog.cs
index 557b313..c23bb49 100644
--- a/src/GnomeSubtitles/Dialog/VideoOpenDialog.cs
+++ b/src/GnomeSubtitles/Dialog/VideoOpenDialog.cs
@@ -29,6 +29,20 @@ public class VideoOpenDialog : BaseDialog {
        private Uri chosenUri = null;
 
        public VideoOpenDialog () : base() {
+               BuildDialog();
+
+               base.Init(dialog);
+       }
+
+       /* Public properties */
+
+       public Uri Uri {
+               get { return chosenUri; }
+       }
+
+       /* Private methods */
+
+       private void BuildDialog() {
                dialog = new FileChooserDialog(Catalog.GetString("Open Video"), Base.Ui.Window, 
FileChooserAction.Open,
                        Util.GetStockLabel("gtk-cancel"), ResponseType.Cancel, 
Util.GetStockLabel("gtk-open"), ResponseType.Ok);
 
@@ -41,17 +55,8 @@ public class VideoOpenDialog : BaseDialog {
                }
 
                SetFilters();
-               base.Init(dialog);
-       }
-
-       /* Public properties */
-
-       public Uri Uri {
-               get { return chosenUri; }
        }
 
-       /* Private methods */
-
        private void SetFilters () {
 
                /* Video files */