main.c

来自「Gqview,Linux下基于GTK+库写成的轻量级而能丰富的图像浏览程序。」· C语言 代码 · 共 1,367 行 · 第 1/3 页

					{
					remote_do = TRUE;
					remote_list = gqview_remote_build_list(remote_list, argc, argv);
					}
				}
			else if (strcmp(cmd_line, "-rh") == 0 ||
				 strcmp(cmd_line, "--remote-help") == 0)
				{
				gqview_remote_help();
				exit (0);
				}
			else if (strcmp(cmd_line, "--blank") == 0)
				{
				startup_blank = TRUE;
				}
			else if (strcmp(cmd_line, "-v") == 0 ||
				 strcmp(cmd_line, "--version") == 0)
				{
				printf("GQview %s\n", VERSION);
				exit (0);
				}
			else if (strcmp(cmd_line, "--alternate") == 0)
				{
				/* enable faster experimental algorithm */
				printf("Alternate similarity algorithm enabled\n");
				image_sim_alternate_set(TRUE);
				}
			else if (strcmp(cmd_line, "-h") == 0 ||
				 strcmp(cmd_line, "--help") == 0)
				{
				printf("GQview %s\n", VERSION);
				print_term(_("Usage: gqview [options] [path]\n\n"));
				print_term(_("valid options are:\n"));
				print_term(_("  +t, --with-tools           force show of tools\n"));
				print_term(_("  -t, --without-tools        force hide of tools\n"));
				print_term(_("  -f, --fullscreen           start in full screen mode\n"));
				print_term(_("  -s, --slideshow            start in slideshow mode\n"));
				print_term(_("  -l, --list                 open collection window for command line\n"));
				print_term(_("  -r, --remote               send following commands to open window\n"));
				print_term(_("  -rh,--remote-help          print remote command list\n"));
				print_term(_("  --debug                    turn on debug output\n"));
				print_term(_("  -v, --version              print version info\n"));
				print_term(_("  -h, --help                 show this message\n\n"));
				
#if 0
				/* these options are not officially supported!
				 * only for testing new features, no need to translate them */
				print_term(  "  --alternate                use alternate similarity algorithm\n");
#endif
				
				exit (0);
				}
			else if (!remote_do)
				{
				gchar *buf;

				buf = g_strdup_printf(_("invalid or ignored: %s\nUse --help for options\n"), cmd_line);
				print_term(buf);
				g_free(buf);
				}

			g_free(cmd_all);
			i++;
			}
		g_free(base_dir);
		parse_out_relatives(*path);
		parse_out_relatives(*file);
		}

	if (remote_do)
		{
		gqview_remote_control(argv[0], remote_list, *path, list, *collection_list);
		}
	g_list_free(remote_list);

	if (list && list->next)
		{
		*cmd_list = list;
		}
	else
		{
		path_list_free(list);
		*cmd_list = NULL;
		}
}

/*
 *-----------------------------------------------------------------------------
 * startup, init, and exit
 *-----------------------------------------------------------------------------
 */ 

#define RC_HISTORY_NAME "history"

static void keys_load(void)
{
	gchar *path;

	path = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/", RC_HISTORY_NAME, NULL);
	history_list_load(path);
	g_free(path);
}

static void keys_save(void)
{
	gchar *path;

	path = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/", RC_HISTORY_NAME, NULL);
	history_list_save(path);
	g_free(path);
}

static void check_for_home_path(gchar *path)
{
	gchar *buf;

	buf = g_strconcat(homedir(), "/", path, NULL);
	if (!isdir(buf))
		{
		gchar *tmp;

		tmp = g_strdup_printf(_("Creating GQview dir:%s\n"), buf);
		print_term(tmp);
		g_free(tmp);

		if (!mkdir_utf8(buf, 0755))
			{
			tmp = g_strdup_printf(_("Could not create dir:%s\n"), buf);
			print_term(tmp);
			g_free(tmp);
			}
		}
	g_free(buf);
}

static void setup_default_options(void)
{
	gchar *path;
	gint i;

	for (i = 0; i < GQVIEW_EDITOR_SLOTS; i++)
		{
		editor_name[i] = NULL;
		editor_command[i] = NULL;
		}

	editor_reset_defaults();

	bookmark_add_default(_("Home"), homedir());
	path = concat_dir_and_file(homedir(), "Desktop");
	bookmark_add_default(_("Desktop"), path);
	g_free(path);
	path = concat_dir_and_file(homedir(), GQVIEW_RC_DIR_COLLECTIONS);
	bookmark_add_default(_("Collections"), path);
	g_free(path);

	g_free(safe_delete_path);
	safe_delete_path = concat_dir_and_file(homedir(), GQVIEW_RC_DIR_TRASH);
}

static void exit_gqview_final(void)
{
	gchar *path;
	gchar *pathl;
	LayoutWindow *lw = NULL;

	remote_close(gqview_remote);

	collect_manager_flush();

	if (layout_valid(&lw))
		{
		main_window_maximized =  window_maximized(lw->window);
		if (!main_window_maximized)
			{
			layout_geometry_get(NULL, &main_window_x, &main_window_y,
					    &main_window_w, &main_window_h);
			}
		}

	layout_geometry_get_dividers(NULL, &window_hdivider_pos, &window_vdivider_pos);

	layout_views_get(NULL, &layout_view_tree, &layout_view_icons);

	thumbnails_enabled = layout_thumb_get(NULL);
	layout_sort_get(NULL, &file_sort_method, &file_sort_ascending);

	layout_geometry_get_tools(NULL, &float_window_x, &float_window_y,
				  &float_window_w, &float_window_h, &float_window_divider);
	layout_tools_float_get(NULL, &tools_float, &tools_hidden);
	toolbar_hidden = layout_toolbar_hidden(NULL);

	save_options();
	keys_save();

	path = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/accels", NULL);
	pathl = path_from_utf8(path);
	gtk_accel_map_save(pathl);
	g_free(pathl);
	g_free(path);

	gtk_main_quit();
}

static GenericDialog *exit_dialog = NULL;

static void exit_confirm_cancel_cb(GenericDialog *gd, gpointer data)
{
	exit_dialog = NULL;
	generic_dialog_close(gd);
}

static void exit_confirm_exit_cb(GenericDialog *gd, gpointer data)
{
	exit_dialog = NULL;
	generic_dialog_close(gd);
	exit_gqview_final();
}

static gint exit_confirm_dlg(void)
{
	GtkWidget *parent;
	LayoutWindow *lw;

	if (exit_dialog)
		{
		gtk_window_present(GTK_WINDOW(exit_dialog->dialog));
		return TRUE;
		}

	if (!collection_window_modified_exists()) return FALSE;

	parent = NULL;
	lw = NULL;
	if (layout_valid(&lw))
		{
		parent = lw->window;
		}

	exit_dialog = generic_dialog_new(_("GQview - exit"),
				"GQview", "exit", parent, FALSE,
				exit_confirm_cancel_cb, NULL);
	generic_dialog_add_message(exit_dialog, GTK_STOCK_DIALOG_QUESTION,
				   _("Quit GQview"), _("Collections have been modified. Quit anyway?"));
	generic_dialog_add_button(exit_dialog, GTK_STOCK_QUIT, NULL, exit_confirm_exit_cb, TRUE);

	gtk_widget_show(exit_dialog->dialog);

	return TRUE;
}

void exit_gqview(void)
{
	layout_image_full_screen_stop(NULL);

	if (exit_confirm_dlg()) return;

	exit_gqview_final();
}

int main (int argc, char *argv[])
{
	LayoutWindow *lw;
	gchar *path = NULL;
	gchar *cmd_path = NULL;
	gchar *cmd_file = NULL;
	GList *cmd_list = NULL;
	GList *collection_list = NULL;
	CollectionData *first_collection = NULL;
	gchar *buf;
	gchar *bufl;

	/* setup locale, i18n */
	gtk_set_locale();
	bindtextdomain(PACKAGE, GQVIEW_LOCALEDIR);
	bind_textdomain_codeset(PACKAGE, "UTF-8");
	textdomain(PACKAGE);

	/* setup random seed for random slideshow */
        srand(time(NULL));

#if 1
	printf("GQview %s, This is a beta release.\n", VERSION);
#endif

	layout_order = g_strdup("123");
	setup_default_options();
	load_options();

	parse_command_line(argc, argv, &cmd_path, &cmd_file, &cmd_list, &collection_list);

	gtk_init (&argc, &argv);

	if (gtk_major_version < GTK_MAJOR_VERSION ||
	    (gtk_major_version == GTK_MAJOR_VERSION && gtk_minor_version < GTK_MINOR_VERSION) )
		{
		gchar *msg;
		print_term("!!! This is a friendly warning.\n");
		print_term("!!! The version of GTK+ in use now is older than when GQview was compiled.\n");
		msg = g_strdup_printf("!!!  compiled with GTK+-%d.%d\n", GTK_MAJOR_VERSION, GTK_MINOR_VERSION);
		print_term(msg);
		g_free(msg);
		msg = g_strdup_printf("!!!   running with GTK+-%d.%d\n", gtk_major_version, gtk_minor_version);
		print_term(msg);
		g_free(msg);
		print_term("!!! GQview may quit unexpectedly with a relocation error.\n");
		}

	check_for_home_path(GQVIEW_RC_DIR);
	check_for_home_path(GQVIEW_RC_DIR_COLLECTIONS);
	check_for_home_path(GQVIEW_CACHE_RC_THUMB);
	check_for_home_path(GQVIEW_CACHE_RC_METADATA);

	keys_load();
	filter_add_defaults();
	filter_rebuild();

	buf = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/accels", NULL);
	bufl = path_from_utf8(buf);
	gtk_accel_map_load(bufl);
	g_free(bufl);
	g_free(buf);

	if (startup_blank)
		{
		g_free(cmd_path);
		cmd_path = NULL;
		g_free(cmd_file);
		cmd_file = NULL;
		path_list_free(cmd_list);
		cmd_list = NULL;
		path_list_free(collection_list);
		collection_list = NULL;

		path = NULL;
		}
	else if (cmd_path)
		{
		path = g_strdup(cmd_path);
		}
	else if (startup_path_enable && startup_path && isdir(startup_path))
		{
		path = g_strdup(startup_path);
		}
	else
		{
		path = get_current_dir();
		}

	lw = layout_new(NULL, tools_float, tools_hidden);
	layout_sort_set(lw, file_sort_method, file_sort_ascending);

	if (collection_list && !startup_command_line_collection)
		{
		GList *work;

		work = collection_list;
		while (work)
			{
			CollectWindow *cw;
			const gchar *path;

			path = work->data;
			work = work->next;

			cw = collection_window_new(path);
			if (!first_collection && cw) first_collection = cw->cd;
			}
		}

	if (cmd_list ||
	    (startup_command_line_collection && collection_list))
		{
		CollectionData *cd;
		GList *work;

		if (startup_command_line_collection)
			{
			CollectWindow *cw;

			cw = collection_window_new("");
			cd = cw->cd;
			}
		else
			{
			cd = collection_new("");	/* if we pass NULL, untitled counter is falsely increm. */
			gqview_command_collection = cd;
			}

		g_free(cd->path);
		cd->path = NULL;
		g_free(cd->name);
		cd->name = g_strdup(_("Command line"));

		collection_path_changed(cd);

		work = cmd_list;
		while (work)
			{
			collection_add(cd, (gchar *)work->data, FALSE);
			work = work->next;
			}

		work = collection_list;
		while (work)
			{
			collection_load(cd, (gchar *)work->data, TRUE);
			work = work->next;
			}

		layout_set_path(lw, path);
		if (cd->list) layout_image_set_collection(lw, cd, cd->list->data);

		/* mem leak, we never unref this collection when !startup_command_line_collection
		 * (the image view of the main window does not hold a ref to the collection)
		 * this is sort of unavoidable, for if it did hold a ref, next/back
		 * may not work as expected when closing collection windows.
		 *
		 * collection_unref(cd);
		 */

		}
	else if (cmd_file)
		{
		layout_set_path(lw, cmd_file);
		}
	else
		{
		layout_set_path(lw, path);
		if (first_collection)
			{
			layout_image_set_collection(lw, first_collection,
						    collection_get_first(first_collection));
			}
		}

	g_free(cmd_path);
	g_free(cmd_file);
	path_list_free(cmd_list);
	path_list_free(collection_list);
	g_free(path);

	if (startup_full_screen) layout_image_full_screen_start(lw);
	if (startup_in_slideshow) layout_image_slideshow_start(lw);

	buf = g_strconcat(homedir(), "/", GQVIEW_RC_DIR, "/.command", NULL);
	gqview_remote = remote_server_open(buf);
	remote_server_subscribe(gqview_remote, gqview_remote_cb, NULL);
	g_free(buf);

	gtk_main ();
	return 0;
}