[balsa/gtk4] main: Build with gtk4

[Peter Bloomfield <peterb src gnome org>]

commit 883821bb0ac65882ff9739c38b4905d7e11f48bc
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Fri Oct 30 16:19:04 2020 -0400

    main: Build with gtk4
    
    GtkAccelMap has gone away; it may not have done anything useful for a
    while.

 src/main.c | 38 ++++++++------------------------------
 1 file changed, 8 insertions(+), 30 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index b0cc4cbc9..19ea918e8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -79,24 +79,6 @@ static gchar **opt_attach_list = NULL;
 /* opt_compose_email: To: field for the compose window */
 static const gchar *opt_compose_email = NULL;
 
-static void
-accel_map_load(void)
-{
-    gchar *accel_map_filename =
-        g_build_filename(g_get_home_dir(), ".balsa", "accelmap", NULL);
-    gtk_accel_map_load(accel_map_filename);
-    g_free(accel_map_filename);
-}
-
-static void
-accel_map_save(void)
-{
-    gchar *accel_map_filename =
-        g_build_filename(g_get_home_dir(), ".balsa", "accelmap", NULL);
-    gtk_accel_map_save(accel_map_filename);
-    g_free(accel_map_filename);
-}
-
 static gboolean
 balsa_main_check_new_messages(gpointer data)
 {
@@ -524,9 +506,9 @@ balsa_setup_libbalsa_notification(GApplication *application)
 /* -------------------------- main --------------------------------- */
 static void
 balsa_startup_cb(GApplication *application,
-           gpointer      user_data)
+                 gpointer      user_data)
 {
-    gchar *default_icon;
+    char *default_icon;
 #ifdef ENABLE_AUTOCRYPT
     GError *error = NULL;
 #endif
@@ -575,8 +557,8 @@ balsa_startup_cb(GApplication *application,
 #endif
 
     default_icon = balsa_pixmap_finder("balsa_icon.png");
-    if (default_icon) { /* may be NULL for developer installations */
-        gtk_window_set_default_icon_from_file(default_icon, NULL);
+    if (default_icon != NULL) { /* may be NULL for developer installations */
+        gtk_window_set_default_icon_name(default_icon);
         g_free(default_icon);
     }
 
@@ -584,8 +566,6 @@ balsa_startup_cb(GApplication *application,
         libbalsa_gpgme_check_crypto_engine(GPGME_PROTOCOL_OpenPGP);
     balsa_app.has_smime =
         libbalsa_gpgme_check_crypto_engine(GPGME_PROTOCOL_CMS);
-
-    accel_map_load();
 }
 
 static void
@@ -597,21 +577,20 @@ balsa_shutdown_cb(void)
     balsa_app_destroy();
 
     libbalsa_conf_drop_all();
-    accel_map_save();
     libbalsa_imap_server_close_all_connections();
     libbalsa_information(LIBBALSA_INFORMATION_MESSAGE, "%s", "");
 }
 
 static void
 balsa_activate_cb(GApplication *application,
-            gpointer      user_data)
+                  gpointer      user_data)
 {
     GtkWidget *window;
     const geometry_t *main_size;
 
     if (balsa_app.main_window != NULL) {
-        gtk_window_present_with_time(GTK_WINDOW(balsa_app.main_window),
-                                     gtk_get_current_event_time());
+        gtk_window_present(GTK_WINDOW(balsa_app.main_window));
+
         return;
     }
 
@@ -734,8 +713,7 @@ handle_remote(GApplicationCommandLine * command_line)
 
         if (!balsa_check_open_compose_window()) {
             /* Move the main window to the request's screen */
-            gtk_window_present_with_time(GTK_WINDOW(balsa_app.main_window),
-                                         gtk_get_current_event_time());
+            gtk_window_present(GTK_WINDOW(balsa_app.main_window));
         }
     }
 }