Replace show_all with present where appropriate (#48)

Author: danirabbit

src/Application.vala

@@ -57,7 +57,7 @@ public class BluetoothApp : Gtk.Application {
                         bt_sender = new SenderDialog (this);
                         bt_sender.add_files (files, device);
                         bt_senders.append (bt_sender);
-                        bt_sender.show_all ();
+                        bt_sender.present ();
                         bt_sender.destroy.connect (() => {
                             bt_senders.foreach ((sender) => {
                                 if (sender.device == bt_sender.device) {
@@ -199,12 +199,12 @@ public class BluetoothApp : Gtk.Application {
     private void dialog_active (string session_path) {
         bt_receivers.foreach ((receiver) => {
             if (receiver.transfer.session == session_path) {
-                receiver.show_all ();
+                receiver.present ();
             }
         });
         bt_senders.foreach ((sender) => {
             if (sender.transfer.session == session_path) {
-                sender.show_all ();
+                sender.present ();
             }
         });
     }

src/Dialog/ReceiverDialog.vala

@@ -101,6 +101,7 @@ public class ReceiverDialog : Granite.Dialog {
         message_grid.attach (rate_label, 1, 3);
         message_grid.attach (progressbar, 1, 4);
         message_grid.attach (progress_label, 1, 5);
+        message_grid.show_all ();
 
         get_content_area ().add (message_grid);
 

src/Dialog/ScanDialog.vala

@@ -112,7 +112,7 @@ public class ScanDialog : Granite.Dialog {
             add_device (device);
         }
         manager.start_discovery.begin (() => {
-            show_all ();
+            present ();
         });
     }
 

src/Dialog/SenderDialog.vala

@@ -106,6 +106,7 @@ public class SenderDialog : Granite.Dialog {
         message_grid.attach (rate_label, 1, 3);
         message_grid.attach (progressbar, 1, 4);
         message_grid.attach (progress_label, 1, 5);
+        message_grid.show_all ();
 
         get_content_area ().add (message_grid);
 
@@ -268,7 +269,8 @@ public class SenderDialog : Granite.Dialog {
 
                 bt_retry.destroy ();
             });
-            bt_retry.show_all ();
+            bt_retry.present ();
+
             progress_label.label = e.message.split ("org.bluez.obex.Error.Failed:")[1];
             GLib.warning (e.message);
         }
@@ -334,7 +336,8 @@ public class SenderDialog : Granite.Dialog {
 
                     bt_retry.destroy ();
                 });
-                bt_retry.show_all ();
+                bt_retry.present ();
+
                 progressbar.fraction = 0.0;
                 remove_session.begin ();
                 break;