SM now supports no-windows-open setup -mig

gnome/ChangeLog

@@ -1,3 +1,9 @@
+1998-05-04  Miguel de Icaza  <miguel@nuclecu.unam.mx>
+
+	* gmain.c (idle_destroy_window), main.c: Session management now
+	supports not showing a toplevel window (in case all of the windows
+	were closed). 
+
 1998-04-30  Miguel de Icaza  <miguel@nuclecu.unam.mx>
 
 	* gtrans.c (make_transparent_window): Put hack back.

gnome/glayout.c

@@ -439,7 +439,7 @@ create_container (Dlg_head *h, char *name, char *geometry)
 	return panel;
 }
 
-void
+WPanel *
 new_panel_with_geometry_at (char *dir, char *geometry)
 {
 	WPanel *panel;
@@ -449,12 +449,14 @@ new_panel_with_geometry_at (char *dir, char *geometry)
 	add_widget (desktop_dlg, panel);
 	set_new_current_panel (panel);
 	x_flush_events ();
+
+	return panel;
 }
 
-void
+WPanel *
 new_panel_at (char *dir)
 {
-	new_panel_with_geometry_at (dir, NULL);
+	return new_panel_with_geometry_at (dir, NULL);
 }
 
 void

gnome/gmain.c

@@ -413,24 +413,34 @@ idle_create_panel (void *data)
 	return 0;
 }
 
+static int
+idle_destroy_window (void *data)
+{
+	WPanel *panel = data;
+
+	gnome_close_panel (GTK_WIDGET (panel->widget.wdata), panel);
+	return 0;
+}
+
 /*
  * wrapper for new_panel_with_geometry_at.
  * first invocation is called directly, further calls use
  * the idle handler
  */
-static void
+static WPanel *
 create_one_panel (char *dir, char *geometry)
 {
 	static int first = 1;
 	
 	if (first){
-		new_panel_with_geometry_at (dir, geometry);
 		first = 0;
+		return new_panel_with_geometry_at (dir, geometry);
 	} else {
 		dir_and_geometry *dg = g_new (dir_and_geometry, 1);
 		dg->dir = dir;
 		dg->geometry = geometry;
 		gtk_idle_add (idle_create_panel, dg);
+		return NULL;
 	}
 }
 
@@ -446,7 +456,8 @@ create_panels (void)
 {
 	GList *p, *g;
 	char  *geo;
-	
+	WPanel *panel;
+
 	start_desktop ();
 	cmdline = command_new (0, 0, 0);
 	the_hint = label_new (0, 0, 0, NULL);
@@ -465,9 +476,16 @@ create_panels (void)
 				geo = NULL;
 			create_one_panel (p->data, geo);
 		}
-	} else 
-		create_one_panel (".", geometry_list ? geometry_list->data : NULL);
+		panel = NULL;
+	} else {
+		char *geometry = geometry_list ? geometry_list->data : NULL;
+		panel = create_one_panel (".", geometry);
 
+		if (nowindows){
+			gtk_idle_add (idle_destroy_window, panel);
+			panel->widget.options |= W_PANEL_HIDDEN;
+		}
+	}
 	g_list_free (directory_list);
 	g_list_free (geometry_list);
 
@@ -516,6 +534,12 @@ session_save_state (GnomeClient *client, gint phase, GnomeRestartStyle save_styl
 		argv [i++] = buffer;
 		free_list = g_list_append (free_list, buffer);
 	}
+
+	/* If no windows were open */
+	if (i == 1){
+		argv [i++] = "--nowindows";
+	}
+	
 	argv [i] = NULL;
 	gnome_client_set_clone_command (client, i, argv);
 	gnome_client_set_restart_command (client, i, argv);

gnome/gmain.h

@@ -8,6 +8,7 @@ int xtoolkit_init (int *argc, char *argv []);
 int xtoolkit_end (void);
 
 extern Dlg_head *desktop_dlg;
+extern int nowindows;
 
 /* Required by the standard code */
 widget_data xtoolkit_create_dialog   (Dlg_head *h, int with_grid);
@@ -30,7 +31,8 @@ int  translate_gdk_keysym_to_curses (GdkEventKey *event);
 void gnome_init_panels ();
 void set_current_panel (int index);
 void bind_gtk_keys (GtkWidget *w, Dlg_head *h);
-void new_panel_at (char *dir);
+WPanel *new_panel_at (char *dir);
+WPanel *new_panel_with_geometry_at (char *dir, char *geometry);
 void layout_panel_gone (WPanel *panel);
 
 struct gmc_color_pairs_s {

gnome/gscreen.c

@@ -1363,7 +1363,8 @@ x_create_panel (Dlg_head *h, widget_data parent, WPanel *panel)
 	/* Now, insert our table in our parent */
 	gtk_container_add (GTK_CONTAINER (vbox), panel->table);
 
-	gtk_widget_show_all (gtk_widget_get_toplevel (panel->table));
+	if (!(panel->widget.options & W_PANEL_HIDDEN))
+		gtk_widget_show_all (gtk_widget_get_toplevel (panel->table));
 			     
 	if (!pixmaps_ready){
 		if (!GTK_WIDGET_REALIZED (panel->list))