コード例 #1
0
ファイル: event_loop.c プロジェクト: cosminadrianpopescu/vifm
/* Ensures that terminal is in proper state for a loop iteration.  Returns
 * non-zero if so, otherwise zero is returned. */
static int
ensure_term_is_ready(void)
{
	ui_update_term_state();

	update_terminal_settings();

	if(curr_stats.term_state == TS_TOO_SMALL)
	{
		ui_display_too_small_term_msg();
		wait_for_signal();
		return 0;
	}

	if(curr_stats.term_state == TS_BACK_TO_NORMAL)
	{
		wint_t c;

		wtimeout(status_bar, 0);
		while(compat_wget_wch(status_bar, &c) != ERR);
		curr_stats.term_state = TS_NORMAL;
		modes_redraw();
		wtimeout(status_bar, cfg.timeout_len);

		curr_stats.save_msg = 0;
		status_bar_message("");
	}

	return 1;
}
コード例 #2
0
ファイル: event_loop.c プロジェクト: cosminadrianpopescu/vifm
/* Sub-loop of the main loop that "asynchronously" queries for the input
 * performing the following tasks while waiting for input:
 *  - checks for new IPC messages;
 *  - checks whether contents of displayed directories changed;
 *  - redraws UI if requested.
 * Returns KEY_CODE_YES for functional keys, OK for wide character and ERR
 * otherwise (e.g. after timeout). */
static int
get_char_async_loop(WINDOW *win, wint_t *c, int timeout)
{
	const int IPC_F = (ipc_enabled() && ipc_server()) ? 10 : 1;

	do
	{
		int i;

		if(should_check_views_for_changes())
		{
			check_view_for_changes(curr_view);
			check_view_for_changes(other_view);
		}

		process_scheduled_updates();

		for(i = 0; i < IPC_F; ++i)
		{
			int result;

			ipc_check();
			wtimeout(win, MIN(cfg.min_timeout_len, timeout)/IPC_F);

			result = compat_wget_wch(win, c);
			if(result != ERR)
			{
				return result;
			}

			process_scheduled_updates();
		}

		timeout -= cfg.min_timeout_len;
	}
	while(timeout > 0);

	return ERR;
}
コード例 #3
0
ファイル: event_loop.c プロジェクト: vifm/vifm
/* Sub-loop of the main loop that "asynchronously" queries for the input
 * performing the following tasks while waiting for input:
 *  - checks for new IPC messages;
 *  - checks whether contents of displayed directories changed;
 *  - redraws UI if requested.
 * Returns KEY_CODE_YES for functional keys (preprocesses *c in this case), OK
 * for wide character and ERR otherwise (e.g. after timeout). */
static int
get_char_async_loop(WINDOW *win, wint_t *c, int timeout)
{
	const int IPC_F = ipc_enabled() ? 10 : 1;

	do
	{
		int i;

		int delay_slice = DIV_ROUND_UP(MIN(cfg.min_timeout_len, timeout), IPC_F);
#ifdef __PDCURSES__
		/* pdcurses performs delays in 50 ms intervals (1/20 of a second). */
		delay_slice = MAX(50, delay_slice);
#endif

		if(should_check_views_for_changes())
		{
			check_view_for_changes(curr_view);
			check_view_for_changes(other_view);
		}

		process_scheduled_updates();

		for(i = 0; i < IPC_F && timeout > 0; ++i)
		{
			int result;

			ipc_check(curr_stats.ipc);
			wtimeout(win, delay_slice);
			timeout -= delay_slice;

			if(suggestions_are_visible)
			{
				/* Redraw suggestion box as it might have been hidden due to other
				 * redraws. */
				display_suggestion_box(curr_input_buf);
			}

			/* Update cursor before waiting for input.  Modes set cursor correctly
			 * within corresponding windows, but we need to call refresh on one of
			 * them to make it active. */
			update_hardware_cursor();

			result = compat_wget_wch(win, c);
			if(result != ERR)
			{
				if(result == KEY_CODE_YES)
				{
					*c = K(*c);
				}
				else if(*c == L'\0')
				{
					*c = WC_C_SPACE;
				}
				return result;
			}

			process_scheduled_updates();
		}
	}
	while(timeout > 0);

	return ERR;
}