예제 #1
0
void
modes_statusbar_update(void)
{
	if(curr_stats.save_msg)
	{
		if(vle_mode_is(VISUAL_MODE))
		{
			update_vmode_input();
		}
	}
	else if(curr_view->selected_files || vle_mode_is(VISUAL_MODE))
	{
		print_selected_msg();
	}
	else
	{
		clean_status_bar();
	}
}
예제 #2
0
파일: event_loop.c 프로젝트: vifm/vifm
void
event_loop(const int *quit)
{
	/* TODO: refactor this function event_loop(). */

	LOG_FUNC_ENTER;

	const wchar_t *const prev_input_buf = curr_input_buf;
	const size_t *const prev_input_buf_pos = curr_input_buf_pos;

	wchar_t input_buf[128];
	size_t input_buf_pos;

	int last_result = 0;
	int wait_for_enter = 0;
	int wait_for_suggestion = 0;
	int timeout = cfg.timeout_len;

	input_buf[0] = L'\0';
	input_buf_pos = 0;
	curr_input_buf = &input_buf[0];
	curr_input_buf_pos = &input_buf_pos;

	/* Make sure to set the working directory once in order to have the
	 * desired state even before any events are processed. */
	(void)vifm_chdir(flist_get_dir(curr_view));

	while(!*quit)
	{
		wint_t c;
		size_t counter;
		int got_input;

		lwin.user_selection = 1;
		rwin.user_selection = 1;

		modes_pre();

		/* Waits for timeout then skips if no key press.  Short-circuit if we're not
		 * waiting for the next key after timeout. */
		do
		{
			const int actual_timeout = wait_for_suggestion
			                         ? MIN(timeout, cfg.sug.delay)
			                         : timeout;

			if(!ensure_term_is_ready())
			{
				wait_for_enter = 0;
				continue;
			}

			modes_periodic();

			bg_check();

			got_input = (get_char_async_loop(status_bar, &c, actual_timeout) != ERR);

			/* If suggestion delay timed out, reset it and wait the rest of the
			 * timeout. */
			if(!got_input && wait_for_suggestion)
			{
				wait_for_suggestion = 0;
				timeout -= actual_timeout;
				display_suggestion_box(input_buf);
				continue;
			}
			wait_for_suggestion = 0;

			if(!got_input && (input_buf_pos == 0 || last_result == KEYS_WAIT))
			{
				timeout = cfg.timeout_len;
				continue;
			}

			if(got_input && c == K(KEY_RESIZE))
			{
				modes_redraw();
				continue;
			}

			break;
		}
		while(1);

		suggestions_are_visible = 0;

		/* Ensure that current working directory is set correctly (some pieces of
		 * code rely on this, e.g. %c macro in current directory). */
		(void)vifm_chdir(flist_get_dir(curr_view));

		if(got_input)
		{
			if(wait_for_enter)
			{
				wait_for_enter = 0;
				curr_stats.save_msg = 0;
				ui_sb_clear();
				if(c == WC_CR)
				{
					continue;
				}
			}

			if(c == WC_C_z)
			{
				ui_shutdown();
				stop_process();
				continue;
			}

			if(input_buf_pos < ARRAY_LEN(input_buf) - 2)
			{
				input_buf[input_buf_pos++] = c;
				input_buf[input_buf_pos] = L'\0';
			}
			else
			{
				/* Recover from input buffer overflow by resetting its contents. */
				reset_input_buf(input_buf, &input_buf_pos);
				clear_input_bar();
				continue;
			}
		}

		counter = vle_keys_counter();
		if(!got_input && last_result == KEYS_WAIT_SHORT)
		{
			hide_suggestion_box();

			last_result = vle_keys_exec_timed_out(input_buf);
			counter = vle_keys_counter() - counter;
			assert(counter <= input_buf_pos);
			if(counter > 0)
			{
				memmove(input_buf, input_buf + counter,
						(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
			}
		}
		else
		{
			if(got_input)
			{
				curr_stats.save_msg = 0;
			}

			if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
			{
				hide_suggestion_box();
			}

			last_result = vle_keys_exec(input_buf);

			counter = vle_keys_counter() - counter;
			assert(counter <= input_buf_pos);
			if(counter > 0)
			{
				input_buf_pos -= counter;
				memmove(input_buf, input_buf + counter,
						(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
			}

			if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
			{
				if(should_display_suggestion_box())
				{
					wait_for_suggestion = 1;
				}

				if(got_input)
				{
					modupd_input_bar(input_buf);
				}

				if(last_result == KEYS_WAIT_SHORT && wcscmp(input_buf, L"\033") == 0)
				{
					timeout = 1;
				}

				if(counter > 0)
				{
					clear_input_bar();
				}

				if(!curr_stats.save_msg && curr_view->selected_files &&
						!vle_mode_is(CMDLINE_MODE))
				{
					print_selected_msg();
				}
				continue;
			}
		}

		timeout = cfg.timeout_len;

		process_scheduled_updates();

		reset_input_buf(input_buf, &input_buf_pos);
		clear_input_bar();

		if(ui_sb_multiline())
		{
			wait_for_enter = 1;
			update_all_windows();
			continue;
		}

		/* Ensure that current working directory is set correctly (some pieces of
		 * code rely on this).  PWD could be changed during command execution, but
		 * it should be correct for modes_post() in case of preview modes. */
		(void)vifm_chdir(flist_get_dir(curr_view));
		modes_post();
	}

	curr_input_buf = prev_input_buf;
	curr_input_buf_pos = prev_input_buf_pos;
}
예제 #3
0
void
event_loop(const int *quit)
{
	/* TODO: refactor this function event_loop(). */

	LOG_FUNC_ENTER;

	const wchar_t *const prev_input_buf = curr_input_buf;
	const size_t *const prev_input_buf_pos = curr_input_buf_pos;

	wchar_t input_buf[128];
	size_t input_buf_pos;

	int last_result = 0;
	int wait_for_enter = 0;
	int timeout = cfg.timeout_len;

	input_buf[0] = L'\0';
	input_buf_pos = 0;
	curr_input_buf = &input_buf[0];
	curr_input_buf_pos = &input_buf_pos;

	while(!*quit)
	{
		wint_t c;
		size_t counter;
		int got_input;

		if(!ensure_term_is_ready())
		{
			wait_for_enter = 0;
			continue;
		}

		lwin.user_selection = 1;
		rwin.user_selection = 1;

		modes_pre();

		/* Waits for timeout then skips if no keypress.  Short-circuit if we're not
		 * waiting for the next key after timeout. */
		do
		{
			modes_periodic();

			check_background_jobs();

			got_input = get_char_async_loop(status_bar, &c, timeout) != ERR;
			if(!got_input && input_buf_pos == 0)
			{
				timeout = cfg.timeout_len;
				continue;
			}
			break;
		}
		while(1);

		/* Ensure that current working directory is set correctly (some pieces of
		 * code rely on this). */
		(void)vifm_chdir(flist_get_dir(curr_view));

		if(got_input)
		{
			if(wait_for_enter)
			{
				wait_for_enter = 0;
				curr_stats.save_msg = 0;
				clean_status_bar();
				if(c == L'\x0d')
				{
					continue;
				}
			}

			if(c == L'\x1a') /* Ctrl-Z */
			{
				def_prog_mode();
				endwin();
				stop_process();
				continue;
			}

			if(input_buf_pos < ARRAY_LEN(input_buf) - 2)
			{
				input_buf[input_buf_pos++] = c;
				input_buf[input_buf_pos] = L'\0';
			}
			else
			{
				/* Recover from input buffer overflow by resetting its contents. */
				reset_input_buf(input_buf, &input_buf_pos);
				clear_input_bar();
				continue;
			}
		}

		counter = get_key_counter();
		if(!got_input && last_result == KEYS_WAIT_SHORT)
		{
			last_result = execute_keys_timed_out(input_buf);
			counter = get_key_counter() - counter;
			assert(counter <= input_buf_pos);
			if(counter > 0)
			{
				memmove(input_buf, input_buf + counter,
						(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
			}
		}
		else
		{
			if(got_input)
			{
				curr_stats.save_msg = 0;
			}

			last_result = execute_keys(input_buf);

			counter = get_key_counter() - counter;
			assert(counter <= input_buf_pos);
			if(counter > 0)
			{
				input_buf_pos -= counter;
				memmove(input_buf, input_buf + counter,
						(wcslen(input_buf) - counter + 1)*sizeof(wchar_t));
			}

			if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
			{
				if(got_input)
				{
					modupd_input_bar(input_buf);
				}

				if(last_result == KEYS_WAIT_SHORT && wcscmp(input_buf, L"\033") == 0)
				{
					timeout = 1;
				}

				if(counter > 0)
				{
					clear_input_bar();
				}

				if(!curr_stats.save_msg && curr_view->selected_files &&
						!vle_mode_is(CMDLINE_MODE))
				{
					print_selected_msg();
				}
				continue;
			}
		}

		timeout = cfg.timeout_len;

		process_scheduled_updates();

		reset_input_buf(input_buf, &input_buf_pos);
		clear_input_bar();

		if(is_status_bar_multiline())
		{
			wait_for_enter = 1;
			update_all_windows();
			continue;
		}

		/* Ensure that current working directory is set correctly (some pieces of
		 * code rely on this).  PWD could be changed during command execution, but
		 * it should be correct for modes_post() in case of preview modes. */
		(void)vifm_chdir(flist_get_dir(curr_view));
		modes_post();
	}

	curr_input_buf = prev_input_buf;
	curr_input_buf_pos = prev_input_buf_pos;
}
예제 #4
0
파일: main_loop.c 프로젝트: ychaim/vifm
/*
 * Main Loop
 * Everything is driven from this function with the exception of
 * signals which are handled in signals.c
 */
void
main_loop(void)
{
	LOG_FUNC_ENTER;

	int last_result = 0;
	int wait_enter = 0;
	int timeout = cfg.timeout_len;

	buf[0] = L'\0';
	while(1)
	{
		wchar_t c;
		size_t counter;
		int ret;

		is_term_working();

#ifdef _WIN32
		update_win_console();
#endif

		lwin.user_selection = 1;
		rwin.user_selection = 1;

		if(curr_stats.too_small_term > 0)
		{
			touchwin(stdscr);
			wrefresh(stdscr);

			mvwin(status_bar, 0, 0);
			wresize(status_bar, getmaxy(stdscr), getmaxx(stdscr));
			werase(status_bar);
			waddstr(status_bar, "Terminal is too small for vifm");
			touchwin(status_bar);
			wrefresh(status_bar);

#ifndef _WIN32
			pause();
#endif
			continue;
		}
		else if(curr_stats.too_small_term < 0)
		{
			wtimeout(status_bar, 0);
			while(wget_wch(status_bar, (wint_t*)&c) != ERR);
			curr_stats.too_small_term = 0;
			modes_redraw();
			wtimeout(status_bar, cfg.timeout_len);

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

		modes_pre();

		/* This waits for timeout then skips if no keypress. */
		ret = read_char(status_bar, (wint_t*)&c, timeout);

		/* Ensure that current working directory is set correctly (some pieces of
		 * code rely on this). */
		(void)vifm_chdir(curr_view->curr_dir);

		if(ret != ERR && pos != ARRAY_LEN(buf) - 2)
		{
			if(c == L'\x1a') /* Ctrl-Z */
			{
				def_prog_mode();
				endwin();
#ifndef _WIN32
				{
					void (*saved_stp_sig_handler)(int) = signal(SIGTSTP, SIG_DFL);
					kill(0, SIGTSTP);
					signal(SIGTSTP, saved_stp_sig_handler);
				}
#endif
				continue;
			}

			if(wait_enter)
			{
				wait_enter = 0;
				curr_stats.save_msg = 0;
				clean_status_bar();
				if(c == L'\x0d')
					continue;
			}

			buf[pos++] = c;
			buf[pos] = L'\0';
		}

		if(wait_enter && ret == ERR)
			continue;

		counter = get_key_counter();
		if(ret == ERR && last_result == KEYS_WAIT_SHORT)
		{
			last_result = execute_keys_timed_out(buf);
			counter = get_key_counter() - counter;
			assert(counter <= pos);
			if(counter > 0)
			{
				memmove(buf, buf + counter,
						(wcslen(buf) - counter + 1)*sizeof(wchar_t));
			}
		}
		else
		{
			if(ret != ERR)
				curr_stats.save_msg = 0;
			last_result = execute_keys(buf);
			counter = get_key_counter() - counter;
			assert(counter <= pos);
			if(counter > 0)
			{
				pos -= counter;
				memmove(buf, buf + counter,
						(wcslen(buf) - counter + 1)*sizeof(wchar_t));
			}
			if(last_result == KEYS_WAIT || last_result == KEYS_WAIT_SHORT)
			{
				if(ret != ERR)
					modupd_input_bar(buf);
				if(last_result == KEYS_WAIT_SHORT && wcscmp(buf, L"\033") == 0)
					timeout = 1;
				if(counter > 0)
					clear_input_bar();

				if(!curr_stats.save_msg && curr_view->selected_files &&
						get_mode() != CMDLINE_MODE)
					print_selected_msg();
				continue;
			}
		}

		timeout = cfg.timeout_len;

		process_scheduled_updates();

		pos = 0;
		buf[0] = L'\0';
		clear_input_bar();

		if(is_status_bar_multiline())
		{
			wait_enter = 1;
			update_all_windows();
			continue;
		}

		/* Ensure that current working directory is set correctly (some pieces of
		 * code rely on this).  PWD could be changed during command execution, but
		 * it should be correct for modes_post() in case of preview modes. */
		(void)vifm_chdir(curr_view->curr_dir);
		modes_post();
	}
}