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path: root/src/fe-text/irssi.c
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/*
 irssi.c : irssi

    Copyright (C) 1999-2000 Timo Sirainen

    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
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#include "module.h"
#include "module-formats.h"
#include "modules-load.h"
#include "args.h"
#include "signals.h"
#include "levels.h"
#include "core.h"
#include "settings.h"
#include "session.h"

#include "printtext.h"
#include "fe-common-core.h"
#include "themes.h"

#include "term.h"
#include "gui-entry.h"
#include "mainwindows.h"
#include "gui-printtext.h"
#include "gui-readline.h"
#include "statusbar.h"
#include "gui-windows.h"
#include "textbuffer-reformat.h"

#include <signal.h>

#ifdef HAVE_STATIC_PERL
void perl_core_init(void);
void perl_core_deinit(void);

void fe_perl_init(void);
void fe_perl_deinit(void);
#endif

void irc_init(void);
void irc_deinit(void);

void fe_common_irc_init(void);
void fe_common_irc_deinit(void);

void gui_expandos_init(void);
void gui_expandos_deinit(void);

void textbuffer_commands_init(void);
void textbuffer_commands_deinit(void);

void lastlog_init(void);
void lastlog_deinit(void);

void mainwindow_activity_init(void);
void mainwindow_activity_deinit(void);

void mainwindows_layout_init(void);
void mainwindows_layout_deinit(void);

void term_dummy_init(void);
void term_dummy_deinit(void);

static int dirty, full_redraw, dummy;

static GMainLoop *main_loop;
int quitting;

static const char *firsttimer_text =
	"Looks like this is the first time you run irssi.\n"
	"This is just a reminder that you really should go read\n"
	"startup-HOWTO if you haven't already. Irssi's default\n"
	"settings aren't probably what you've been used to, and you\n"
	"shouldn't judge the whole client as crap based on them.\n\n"
	"You can find startup-HOWTO and more irssi beginner info at\n"
	"http://irssi.org/beginner/";
static int display_firsttimer = FALSE;


static void sig_exit(void)
{
        quitting = TRUE;
}

/* redraw irssi's screen.. */
void irssi_redraw(void)
{
	dirty = TRUE;
        full_redraw = TRUE;
}

void irssi_set_dirty(void)
{
        dirty = TRUE;
}

static void dirty_check(void)
{
	if (!dirty || dummy)
		return;

        term_resize_dirty();

	if (full_redraw) {
                full_redraw = FALSE;

		/* first clear the screen so curses will be
		   forced to redraw the screen */
		term_clear();
		term_refresh(NULL);

		mainwindows_redraw();
		statusbar_redraw(NULL, TRUE);
	}

	mainwindows_redraw_dirty();
        statusbar_redraw_dirty();
	term_refresh(NULL);

        dirty = FALSE;
}

static void textui_init(void)
{
#ifdef SIGTRAP
	struct sigaction act;

	sigemptyset(&act.sa_mask);
	act.sa_flags = 0;
	act.sa_handler = SIG_IGN;
	sigaction(SIGTRAP, &act, NULL);
#endif

	irssi_gui = IRSSI_GUI_TEXT;
	core_init();
	irc_init();
	fe_common_core_init();
	fe_common_irc_init();

	theme_register(gui_text_formats);
	signal_add_last("gui exit", (SIGNAL_FUNC) sig_exit);
}

static void textui_finish_init(void)
{
	quitting = FALSE;

	if (dummy)
		term_dummy_init();
	else {
		term_refresh_freeze();
	        textbuffer_init();
	        textbuffer_view_init();
		textbuffer_commands_init();
		textbuffer_reformat_init();
		gui_expandos_init();
		gui_printtext_init();
		gui_readline_init();
	        lastlog_init();
		mainwindows_init();
		mainwindow_activity_init();
		mainwindows_layout_init();
		gui_windows_init();
		statusbar_init();
		term_refresh_thaw();

		/* don't check settings with dummy mode */
		settings_check();
	}

	module_register("core", "fe-text");

#ifdef HAVE_STATIC_PERL
	perl_core_init();
	fe_perl_init();
#endif

	dirty_check();

	fe_common_core_finish_init();
	signal_emit("irssi init finished", 0);

	if (display_firsttimer) {
		printtext_window(active_win, MSGLEVEL_CLIENTNOTICE,
				 "%s", firsttimer_text);
	}
}

static void textui_deinit(void)
{
	signal(SIGINT, SIG_DFL);

        term_refresh_freeze();
	while (modules != NULL)
		module_unload(modules->data);

#ifdef HAVE_STATIC_PERL
        perl_core_deinit();
        fe_perl_deinit();
#endif

        dirty_check(); /* one last time to print any quit messages */
	signal_remove("gui exit", (SIGNAL_FUNC) sig_exit);

	if (dummy)
		term_dummy_deinit();
	else {
	        lastlog_deinit();
		statusbar_deinit();
		gui_printtext_deinit();
		gui_readline_deinit();
		gui_windows_deinit();
		mainwindows_layout_deinit();
		mainwindow_activity_deinit();
		mainwindows_deinit();
		gui_expandos_deinit();
		textbuffer_reformat_deinit();
		textbuffer_commands_deinit();
	        textbuffer_view_deinit();
	        textbuffer_deinit();

	        term_refresh_thaw();
	        term_deinit();
	}

	theme_unregister();

	fe_common_irc_deinit();
	fe_common_core_deinit();
	irc_deinit();
	core_deinit();
}

static void check_oldcrap(void)
{
        FILE *f;
	char *path, str[256];
        int found;

        /* check that default.theme is up-to-date */
	path = g_strdup_printf("%s/default.theme", get_irssi_dir());
	f = fopen(path, "r+");
	if (f == NULL) {
		g_free(path);
                return;
	}
        found = FALSE;
	while (!found && fgets(str, sizeof(str), f) != NULL)
                found = strstr(str, "abstracts = ") != NULL;
	fclose(f);

	if (found) {
		g_free(path);
		return;
	}

	printf("\nYou seem to have old default.theme in "IRSSI_DIR_SHORT"/ directory.\n");
        printf("Themeing system has changed a bit since last irssi release,\n");
        printf("you should either delete your old default.theme or manually\n");
        printf("merge it with the new default.theme.\n\n");
	printf("Do you want to delete the old theme now? (Y/n)\n");

	str[0] = '\0';
	fgets(str, sizeof(str), stdin);
	if (i_toupper(str[0]) == 'Y' || str[0] == '\n' || str[0] == '\0')
                remove(path);
	g_free(path);
}

static void check_files(void)
{
	struct stat statbuf;

	if (stat(get_irssi_dir(), &statbuf) != 0) {
		/* ~/.irssi doesn't exist, first time running irssi */
		display_firsttimer = TRUE;
	} else {
                check_oldcrap();
	}
}

#ifdef WIN32
static void winsock_init(void)
{
	WORD wVersionRequested;
	WSADATA wsaData;

	wVersionRequested = MAKEWORD(2, 2);

	if (WSAStartup(wVersionRequested, &wsaData) != 0) {
		printf("Error initializing winsock\n");
		exit(1);
	}
}
#endif

int main(int argc, char **argv)
{
	static struct poptOption options[] = {
		{ "dummy", 'd', POPT_ARG_NONE, &dummy, 0, "Use the dummy terminal mode", NULL },
		{ NULL, '\0', 0, NULL }
	};

	dummy = FALSE;
	quitting = FALSE;
	core_init_paths(argc, argv);

	check_files();

#ifdef WIN32
        winsock_init();
#endif
#ifdef HAVE_SOCKS
	SOCKSinit(argv[0]);
#endif
#ifdef ENABLE_NLS
	/* initialize the i18n stuff */
	bindtextdomain(PACKAGE, LOCALEDIR);
	textdomain(PACKAGE);
#endif

	textui_init();
	args_register(options);
	args_execute(argc, argv);

	if (!dummy && !term_init()) {
		fprintf(stderr, "Can't initialize screen handling, quitting.\n");
		fprintf(stderr, "You can still use the dummy mode with -d parameter\n");
		return 1;
	}

	textui_finish_init();
	main_loop = g_main_new(TRUE);

	/* Does the same as g_main_run(main_loop), except we
	   can call our dirty-checker after each iteration */
	while (!quitting) {
                if (!dummy) term_refresh_freeze();
		g_main_iteration(TRUE);
                if (!dummy) term_refresh_thaw();

		if (reload_config) {
                        /* SIGHUP received, do /RELOAD */
			reload_config = FALSE;
                        signal_emit("command reload", 1, "");
		}

		dirty_check();
	}

	g_main_destroy(main_loop);
	textui_deinit();

        session_upgrade(); /* if we /UPGRADEd, start the new process */
	return 0;
}