[balsa/wip/gtk4] main and main-window: Pass the GtkApplication

[Peter Bloomfield <peterb src gnome org>]

commit e01a638f806e309a5d897dcb465e8c3bbf363214
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Fri Jun 8 21:19:29 2018 -0400

    main and main-window: Pass the GtkApplication
    
    Pass the GtkApplication as an argument to balsa_window_new(), instead of
    having it use BalsaApplication::application.

 src/main-window.c | 4 ++--
 src/main-window.h | 2 +-
 src/main.c        | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/main-window.c b/src/main-window.c
index 88404404..67cc9f72 100644
--- a/src/main-window.c
+++ b/src/main-window.c
@@ -2250,7 +2250,7 @@ bw_enable_next_unread(BalsaWindow * window, gboolean has_unread_mailbox)
 }
 
 GtkWidget *
-balsa_window_new()
+balsa_window_new(GtkApplication *application)
 {
     BalsaWindow *window;
     BalsaWindowPrivate *priv;
@@ -2270,7 +2270,7 @@ balsa_window_new()
     balsa_register_pixmaps();
 
     window = g_object_new(BALSA_TYPE_WINDOW,
-                          "application", balsa_app.application,
+                          "application", application,
                           NULL);
     priv = balsa_window_get_instance_private(window);
 
diff --git a/src/main-window.h b/src/main-window.h
index 6b6d1506..32bbcc02 100644
--- a/src/main-window.h
+++ b/src/main-window.h
@@ -73,7 +73,7 @@ enum {
 };
 
 GType balsa_window_get_type(void);
-GtkWidget *balsa_window_new(void);
+GtkWidget *balsa_window_new(GtkApplication *application);
 gboolean balsa_window_fix_paned(BalsaWindow *window);
 GtkWidget *balsa_window_find_current_index(BalsaWindow * window);
 void balsa_window_update_book_menus(BalsaWindow *window);
diff --git a/src/main.c b/src/main.c
index e75c3aaa..4a23edb9 100644
--- a/src/main.c
+++ b/src/main.c
@@ -526,7 +526,7 @@ real_main(int argc, char *argv[])
 
     signal( SIGPIPE, SIG_IGN );
 
-    window = balsa_window_new();
+    window = balsa_window_new(balsa_app.application);
     balsa_app.main_window = BALSA_WINDOW(window);
     g_object_add_weak_pointer(G_OBJECT(window),
                              (gpointer) &balsa_app.main_window);