Do not set it modal as ... who knows. At least in the fully static build during
[udpgate.git] / src / ui-gnome.c
index da3be9a..75182f9 100644 (file)
@@ -1,6 +1,6 @@
 /* $Id$
  * Gnome user interface
- * Copyright (C) 2004 Jan Kratochvil <project-udpforward@jankratochvil.net>
+ * Copyright (C) 2004 Jan Kratochvil <project-udpgate@jankratochvil.net>
  * 
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
 #include "ui-gnome.h"  /* self */
 #include <glib/gmessages.h>
 #include "main.h"
+#include <libgnomeui/gnome-app.h>
+#include <sys/types.h>
+#include <signal.h>
+#include <stdio.h>
+#include <errno.h>
+#include <libgnomeui/gnome-appbar.h>
+#include <gtk/gtkbutton.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <gtk/gtkentry.h>
+#include <gtk/gtktogglebutton.h>
+#include <string.h>
+#include <gtk/gtkmain.h>
+#include <libgnomeui/gnome-app-util.h>
+#include <gtk/gtklabel.h>
+#include <gtk/gtkcheckbutton.h>
+
+#include "network.h"
+#include "packet.h"
+#include "static-startup.h"
+
+
+/* Config: */
+#define DAEMON_CHECK_INTERVAL_MS 100
+#define EXTERNAL_STARTUP_CHECK_INTERVAL_MS 1000
+#define PORT_RANGE_BEGIN 2048
+#define PORT_RANGE_END 10240
+#define UI_GNOME_PROBE_TIMEOUT_SEC 10
 
 
 static GnomeApp *App;
+static GtkButton *ButtonStart;
+static GtkButton *ButtonStop;
+static GtkHBox *PortHBox;
+static GnomeAppBar *AppBar;
+static GtkEntry *PortEntry;
+static GtkEntry *HostIPEntry;
+static GtkLabel *AutostartLabel;
+static GtkCheckButton *AutostartCheckButton;
+
+
+static void state_start_stop(void)
+{
+pid_t daemon_pid;
+gboolean daemon_running;
+static gboolean last_daemon_running,last_daemon_running_set=FALSE;
+
+       daemon_pid=is_daemon_running();
+       daemon_running=((pid_t)-1!=daemon_pid);
+
+       /* Cache the result; maybe not needed. */
+       if (last_daemon_running_set && last_daemon_running==daemon_running)
+               return;
+       last_daemon_running=daemon_running;
+       last_daemon_running_set=TRUE;
+
+       gtk_widget_set_sensitive(GTK_WIDGET(ButtonStart),!daemon_running);
+       gtk_widget_set_sensitive(GTK_WIDGET(ButtonStop) , daemon_running);
+       gtk_widget_set_sensitive(GTK_WIDGET(PortHBox)   ,!daemon_running);
+       if (daemon_running)
+               gnome_appbar_set_status(AppBar,
+                               udpgate_printf_alloca(_("udpgate daemon running as PID %d."),(int)daemon_pid));
+       else
+               gnome_appbar_set_status(AppBar,_("No udpgate daemon currently running."));
+}
+
+static gboolean daemon_check_timeout_func(gpointer data /* unused */)
+{
+       if (!App)       /* Quitting? */
+               return FALSE;   /* stop running */
+
+       state_start_stop();
+       return TRUE;    /* continue running */
+}
+
+static gboolean external_startup_check_timeout_func(gpointer data /* unused */)
+{
+gboolean state_startup_is_on;
+
+       if (!App)       /* Quitting? */
+               return FALSE;   /* stop running */
 
+       if (static_startup_query(&state_startup_is_on))
+               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(AutostartCheckButton),state_startup_is_on);
+       return TRUE;    /* continue running */
+}
+
+static void buttonstart(void)
+{
+       if (!optarg_port_set_string(gtk_entry_get_text(PortEntry)))
+               return;
+       network_start(optarg_port);
+}
+
+void on_PortButtonRandom_clicked(GtkButton *button,gpointer user_data)
+{
+       g_return_if_fail(GTK_IS_BUTTON(button));
+
+       state_start_stop();
+       if ((pid_t)-1!=is_daemon_running())
+               return;
+       gtk_entry_set_text(PortEntry,
+                       udpgate_printf_alloca("%d",(int)g_random_int_range(PORT_RANGE_BEGIN,PORT_RANGE_END)));
+       buttonstart();
+}
+
+void on_AutostartCheckButton_toggled(GtkToggleButton *togglebutton,gpointer user_data)
+{
+static gint inside=0;
+
+       g_return_if_fail(GTK_IS_TOGGLE_BUTTON(togglebutton));
+
+       /* Avoid reentrancy to prevent segfault during failed registration.
+        * FIXME: Who knows why? Some forbidden GTK recursion occurs.
+        */
+       g_assert(inside>=0);
+       if (inside)
+               return;
+       inside++;
+
+       if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(AutostartCheckButton)))
+               static_startup_on();
+       else
+               static_startup_off();
+       external_startup_check_timeout_func(NULL);      /* data; unused */
+
+       g_assert(inside==1);
+       inside--;
+}
+
+void on_ButtonStart_clicked(GtkButton *button,gpointer user_data)
+{
+       g_return_if_fail(GTK_IS_BUTTON(button));
+
+       buttonstart();
+}
+
+void on_ButtonStop_clicked(GtkButton *button,gpointer user_data)
+{
+       g_return_if_fail(GTK_IS_BUTTON(button));
+
+       network_stop();
+}
+
+void on_ButtonHide_clicked(GtkButton *button,gpointer user_data)
+{
+GnomeApp *App_local;
+
+       g_return_if_fail(GTK_IS_BUTTON(button));
+
+       /* update config file */
+       optarg_port_set_string(gtk_entry_get_text(PortEntry));
+
+       /* Do not: gtk_main_quit();
+        * as 'App' widget will quit our gtk_main() automatically.
+        */
+       /* Do not: gtk_widget_destroy(App); App=NULL;
+        * as it would race with g_timeout_add()ed function which check
+        * 'if (!App)' first and expect there fully valid tree afterwards.
+        */
+       App_local=App;
+       App=NULL;
+       gtk_widget_destroy(GTK_WIDGET(App_local));
+}
+
+static void ui_gnome_network_notify_hostip(guint32 hostip_guint32)
+{
+       if (!App)       /* Quitting? */
+               return;
+
+       if (!hostip_guint32) {
+pid_t daemon_pid;
+
+               daemon_pid=is_daemon_running();
+               if ((pid_t)-1==daemon_pid)
+                       gtk_entry_set_text(HostIPEntry,_("(unknown; Start the daemon)"));
+               else if (getpid()==daemon_pid)
+                       gtk_entry_set_text(HostIPEntry,_("(unknown; detecting...)"));
+               else
+                       gtk_entry_set_text(HostIPEntry,_("(unknown; Kill the daemon and start your own)"));
+               }
+       else {
+               gtk_entry_set_text(HostIPEntry,HOSTIP_GUINT32_TO_STRING(hostip_guint32));
+               }
+}
+
+static guint ui_gnome_g_log_handler_handler_id;
+static void ui_gnome_g_log_handler(const gchar *log_domain,GLogLevelFlags log_level,const gchar *message,gpointer user_data)
+{
+GtkWidget *dialog;
+
+       if (!App)       /* Quitting? */
+               return;
+
+       /**/ if (log_level & G_LOG_LEVEL_ERROR)
+               dialog=gnome_app_error(App,message);
+       else if (log_level & (G_LOG_LEVEL_CRITICAL|G_LOG_LEVEL_WARNING))
+               dialog=gnome_app_warning(App,message);
+       else
+               dialog=gnome_app_message(App,message);
+
+       /* Do not set it modal as ... who knows. At least in the fully static
+        * build during on_AutostartCheckButton_toggled() we get reported
+        * the messages twice and application immediately gtk_main_quit()
+        * even the second (toplevel) gtk_main().
+        */
+#if 0
+       gtk_window_set_modal(GTK_WINDOW(dialog),TRUE);
+       g_signal_connect((gpointer)dialog,"close",G_CALLBACK(gtk_main_quit),NULL);
+       gtk_main();
+       /* 'dialog' gets destroyed automatically */
+#endif
+}
+
+static void ui_gnome_interactive(void)
+{
+       probe_timeout_sec_max=UI_GNOME_PROBE_TIMEOUT_SEC;
+       gtk_main();
+       network_notify_hostip=NULL;
+       g_log_remove_handler(
+                       G_LOG_DOMAIN,   /* log_domain; "Captive" */
+                       ui_gnome_g_log_handler_handler_id);     /* handler_id */
+       network_detach();
+}
 
 /* of "ui-gnome-interface.h": */
 GtkWidget *create_App(void);
 /* of "ui-gnome-support.h": */
 GtkWidget *lookup_widget(GtkWidget *widget,const gchar *widget_name);
 
-void ui_gnome_init(void)
+gboolean ui_gnome_init(void)
 {
        App=GNOME_APP(create_App());
+
+       ButtonStart=GTK_BUTTON(lookup_widget(GTK_WIDGET(App),"ButtonStart"));
+       ButtonStop=GTK_BUTTON(lookup_widget(GTK_WIDGET(App),"ButtonStop"));
+       PortHBox=GTK_HBOX(lookup_widget(GTK_WIDGET(App),"PortHBox"));
+       AppBar=GNOME_APPBAR(lookup_widget(GTK_WIDGET(App),"AppBar"));
+       PortEntry=GTK_ENTRY(lookup_widget(GTK_WIDGET(App),"PortEntry"));
+       HostIPEntry=GTK_ENTRY(lookup_widget(GTK_WIDGET(App),"HostIPEntry"));
+       AutostartLabel=GTK_LABEL(lookup_widget(GTK_WIDGET(App),"AutostartLabel"));
+       AutostartCheckButton=GTK_CHECK_BUTTON(lookup_widget(GTK_WIDGET(App),"AutostartCheckButton"));
+
+       /* ui_gnome_g_log_handler() needs 'App'. */
+       ui_gnome_g_log_handler_handler_id=g_log_set_handler(
+                       G_LOG_DOMAIN,   /* log_domain; "Captive" */
+                       (G_LOG_LEVEL_MASK|G_LOG_FLAG_FATAL)&~(0
+                                       |G_LOG_LEVEL_MESSAGE
+                                       |G_LOG_LEVEL_INFO
+                                       |G_LOG_LEVEL_DEBUG),    /* log_levels */
+                       ui_gnome_g_log_handler, /* log_func */
+                       NULL);  /* user_data */
+
+       ui_gnome_network_notify_hostip(0);
+       gtk_entry_set_text(PortEntry,udpgate_printf_alloca("%d",(int)optarg_port));
+       if (!static_startup_supported()) {
+               gtk_widget_set_sensitive(GTK_WIDGET(AutostartLabel),FALSE);
+               gtk_widget_set_sensitive(GTK_WIDGET(AutostartCheckButton),FALSE);
+               }
+       if (!static_startup_query(NULL))
+               gtk_toggle_button_set_inconsistent(GTK_TOGGLE_BUTTON(AutostartCheckButton),TRUE);
+       daemon_check_timeout_func(NULL);        /* data; unused */
+       external_startup_check_timeout_func(NULL);      /* data; unused */
+
        gtk_widget_show_all(GTK_WIDGET(App));
+       g_timeout_add(
+                       DAEMON_CHECK_INTERVAL_MS,       /* interval */
+                       daemon_check_timeout_func,      /* function */
+                       NULL);  /* data; unused */
+       g_timeout_add(
+                       EXTERNAL_STARTUP_CHECK_INTERVAL_MS,     /* interval */
+                       external_startup_check_timeout_func,    /* function */
+                       NULL);  /* data; unused */
+
+       network_notify_hostip=ui_gnome_network_notify_hostip;
+
+       ui_interactive=ui_gnome_interactive;
+
+       return TRUE;
 }