When will I learn. It helps to add the files - Federico

gnome/gsession.c

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+/* Session management for the Midnight Commander
+ *
+ * Copyright (C) 1999 the Free Software Foundation
+ *
+ * Authors: Federico Mena <federico@nuclecu.unam.mx>
+ *          Miguel de Icaza <miguel@nuclecu.unam.mx>
+ */
+
+#include <config.h>
+#include "main.h"
+#include "../vfs/vfs.h"
+#include "gmain.h"
+#include "gscreen.h"
+#include "gsession.h"
+#include <gnome.h>
+
+
+/* Whether we are session managed or not */
+int session_have_sm = FALSE;
+
+/* The master SM client */
+static GnomeClient *master_client;
+
+/* Structure to hold information for a panel to be created */
+typedef struct {
+	char *cwd;
+} PanelInfo;
+
+
+/* Saves the SM info for a panel */
+static void
+save_panel_info (WPanel *panel)
+{
+	char section[50];
+	char *key;
+
+	sprintf (section, "panel %d", panel->id);
+
+	key = g_strconcat (section, "/cwd", NULL);
+	gnome_config_set_string (key, panel->cwd);
+	g_free (key);
+
+	/* FIXME: save information about list column sizes, etc. */
+}
+
+/* Loads a panel from the information in the specified gnome-config file/section */
+static PanelInfo *
+load_panel_info (char *file, char *section)
+{
+	PanelInfo *pi;
+	char *prefix;
+	char *cwd;
+
+	pi = NULL;
+
+	prefix = g_strconcat (file, section, "/", NULL);
+	printf ("Prefix is \"%s\"\n", prefix);
+	gnome_config_push_prefix (prefix);
+
+	cwd = gnome_config_get_string ("cwd");
+	if (cwd) {
+		pi = g_new (PanelInfo, 1);
+		pi->cwd = cwd;
+	} else
+		g_warning ("Could not read panel data for \"%s\"", prefix);
+
+	gnome_config_pop_prefix ();
+	g_free (prefix);
+
+	return pi;
+}
+
+/* Frees a panel info structure */
+static void
+free_panel_info (PanelInfo *pi)
+{
+	g_free (pi->cwd);
+	g_free (pi);
+}
+
+/* Idle handler to create the list of panels loaded from the session info file */
+static gint
+idle_create_panels (gpointer data)
+{
+	GSList *panels, *p;
+	PanelInfo *pi;
+
+	panels = data;
+
+	for (p = panels; p; p = p->next) {
+		pi = p->data;
+		new_panel_at (pi->cwd);
+		free_panel_info (pi);
+	}
+
+	g_slist_free (panels);
+	return FALSE;
+}
+
+/* Loads session information from the specified gnome-config file */
+static void
+load_session_info (char *filename)
+{
+	void *iterator;
+	char *key, *value;
+	GSList *panels;
+	PanelInfo *pi;
+
+	/* Slurp the list of panels to create */
+
+	iterator = gnome_config_init_iterator_sections (filename);
+	panels = NULL;
+
+	while ((iterator = gnome_config_iterator_next (iterator, &key, &value)) != NULL)
+		if (key && strncmp (key, "panel ", 6) == 0) {
+			pi = load_panel_info (filename, key);
+			panels = g_slist_prepend (panels, pi);
+			g_free (key);
+		}
+
+	/* Create the panels in the idle loop to keep run_dlg() happy.  See the
+	 * comment in gmain.c:non_corba_create_panels().
+	 */
+
+	gtk_idle_add_priority (GTK_PRIORITY_DEFAULT + 1, idle_create_panels, panels);
+}
+
+/* Idle handler to create the default panel */
+static gint
+idle_create_default_panel (gpointer data)
+{
+	char *cwd;
+
+	cwd = data;
+	new_panel_with_geometry_at (cwd, cmdline_geometry);
+	g_free (cwd);
+
+	return FALSE;
+}
+
+/* Queues the creation of the default panel */
+static void
+create_default_panel (void)
+{
+	char buf[MC_MAXPATHLEN];
+
+	mc_get_current_wd (buf, MC_MAXPATHLEN);
+
+	gtk_idle_add_priority (GTK_PRIORITY_DEFAULT + 1, idle_create_default_panel, g_strdup (buf));
+}
+
+/* Callback from the master client to save the session */
+static gint
+session_save (GnomeClient *client, gint phase, GnomeSaveStyle save_style, gint shutdown,
+	      GnomeInteractStyle interact_style, gint fast, gpointer data)
+{
+	char *prefix;
+	GList *l;
+	PanelContainer *pc;
+
+	prefix = gnome_client_get_config_prefix (client);
+	gnome_config_push_prefix (prefix);
+
+	/* Save the panels */
+
+	for (l = containers; l; l = l->next) {
+		pc = l->data;
+		if (!is_a_desktop_panel (pc->panel))
+			save_panel_info (pc->panel);
+	}
+
+	gnome_config_pop_prefix ();
+	gnome_config_sync ();
+
+	return TRUE;
+}
+
+/* Callback from the master client to terminate the session */
+static void
+session_die (GnomeClient *client, gpointer data)
+{
+	gmc_do_quit ();
+}
+
+/**
+ * session_init:
+ * @void:
+ * 
+ * Initializes session management.  Contacts the master client and
+ * connects the appropriate signals.
+ **/
+void
+session_init ()
+{
+	master_client = gnome_master_client ();
+
+	session_have_sm = (gnome_client_get_flags (master_client) & GNOME_CLIENT_IS_CONNECTED) != 0;
+
+	gtk_signal_connect (GTK_OBJECT (master_client), "save_yourself",
+			    (GtkSignalFunc) session_save,
+			    NULL);
+	gtk_signal_connect (GTK_OBJECT (master_client), "die",
+			    (GtkSignalFunc) session_die,
+			    NULL);
+
+	session_set_restart (TRUE);
+}
+
+/**
+ * session_load:
+ * @void: 
+ * 
+ * Loads the saved session.
+ **/
+void
+session_load (void)
+{
+	char *filename;
+
+	if (gnome_client_get_flags (master_client) & GNOME_CLIENT_RESTORED) {
+		filename = gnome_client_get_config_prefix (master_client);
+		load_session_info (filename);
+	} else if (!nowindows)
+		create_default_panel ();
+}
+
+/**
+ * session_set_restart:
+ * @restart: TRUE if it should restart immediately, FALSE if it should restart
+ * never.
+ * 
+ * Sets the restart style of the session-managed client.
+ **/
+void
+session_set_restart (int restart)
+{
+	gnome_client_set_restart_style (master_client,
+					(restart
+					 ? GNOME_RESTART_IMMEDIATELY
+					 : GNOME_RESTART_NEVER));
+}

gnome/gsession.h

@@ -0,0 +1,20 @@
+/* Session management for the Midnight Commander
+ *
+ * Copyright (C) 1999 the Free Software Foundation
+ *
+ * Authors: Federico Mena <federico@nuclecu.unam.mx>
+ *          Miguel de Icaza <miguel@nuclecu.unam.mx>
+ */
+
+#ifndef GSESSION_H
+#define GSESSION_H
+
+
+extern int session_have_sm;
+
+void session_init (void);
+void session_load (void);
+void session_set_restart (int restart);
+
+
+#endif