/*
==================
CON_Print
==================
*/
void CON_Print(const char *msg)
{
int col;
bool scroll = (lastline > scrollline && lastline <= scrollline + LOG_LINES);
if (!curses_on)
{
CON_Print_tty(msg);
return;
}
// Print the message in the log window
CON_ColorPrint(logwin, msg, qtrue);
getyx(logwin, lastline, col);
if (col)
{
lastline++;
}
if (scroll)
{
scrollline = lastline - LOG_LINES;
if (scrollline < 0)
{
scrollline = 0;
}
pnoutrefresh(logwin, scrollline, 0, 2, 1, LOG_LINES + 1, LOG_COLS + 1);
}
// Add the message to the log buffer
if (insert + strlen(msg) >= logbuf + sizeof(logbuf))
{
memmove(logbuf, logbuf + sizeof(logbuf) / 2, sizeof(logbuf) / 2);
memset(logbuf + sizeof(logbuf) / 2, 0, sizeof(logbuf) / 2);
insert -= sizeof(logbuf) / 2;
}
strcpy(insert, msg);
insert += strlen(msg);
// Update the scrollbar
CON_DrawScrollBar();
// Move the cursor back to the input field
CON_UpdateCursor();
doupdate();
}
/*
==================
CON_Init
Initialize the console in curses mode, fall back to tty mode on failure
==================
*/
void CON_Init(void)
{
int col;
#ifndef _WIN32
// If the process is backgrounded (running non interactively)
// then SIGTTIN or SIGTOU is emitted, if not caught, turns into a SIGSTP
signal(SIGTTIN, SIG_IGN);
signal(SIGTTOU, SIG_IGN);
#endif
// Make sure we're on a tty
if (isatty(STDIN_FILENO) != 1 || isatty(STDOUT_FILENO) != 1 || isatty(STDERR_FILENO) != 1) {
CON_Init_tty();
return;
}
// Initialize curses and set up the root window
if (!curses_on) {
SCREEN *test = newterm(NULL, stdout, stdin);
if (!test) {
CON_Init_tty();
CON_Print_tty("Couldn't initialize curses, falling back to tty\n");
return;
}
endwin();
delscreen(test);
initscr();
cbreak();
noecho();
nonl();
intrflush(stdscr, FALSE);
nodelay(stdscr, TRUE);
keypad(stdscr, TRUE);
wnoutrefresh(stdscr);
// Set up colors
if (has_colors()) {
use_default_colors();
start_color();
init_pair(1, COLOR_BLACK, -1);
init_pair(2, COLOR_RED, -1);
init_pair(3, COLOR_GREEN, -1);
init_pair(4, COLOR_YELLOW, -1);
init_pair(5, COLOR_BLUE, -1);
init_pair(6, COLOR_CYAN, -1);
init_pair(7, COLOR_MAGENTA, -1);
init_pair(8, -1, -1);
}
}
// Create the border
borderwin = newwin(LOG_LINES + 2, LOG_COLS + 2, 1, 0);
CON_SetColor(borderwin, 2);
box(borderwin, 0, 0);
wnoutrefresh(borderwin);
// Create the log window
logwin = newpad(MAX_LOG_LINES, LOG_COLS);
scrollok(logwin, TRUE);
idlok(logwin, TRUE);
if (curses_on)
CON_ColorPrint(logwin, logbuf, qtrue);
getyx(logwin, lastline, col);
if (col)
lastline++;
scrollline = lastline - LOG_LINES;
if (scrollline < 0)
scrollline = 0;
pnoutrefresh(logwin, scrollline, 0, 2, 1, LOG_LINES + 1, LOG_COLS + 1);
// Create the scroll bar
scrollwin = newwin(LOG_LINES, 1, 2, COLS - 1);
CON_DrawScrollBar();
CON_SetColor(stdscr, 3);
mvaddch(1, COLS - 1, SCRLBAR_UP);
mvaddch(LINES - 2, COLS - 1, SCRLBAR_DOWN);
// Create the input field
inputwin = newwin(1, COLS - Q_PrintStrlen(PROMPT) - 8, LINES - 1, Q_PrintStrlen(PROMPT) + 8);
input_field.widthInChars = COLS - Q_PrintStrlen(PROMPT) - 9;
if (curses_on) {
if (input_field.cursor < input_field.scroll)
input_field.scroll = input_field.cursor;
else if (input_field.cursor >= input_field.scroll + input_field.widthInChars)
input_field.scroll = input_field.cursor - input_field.widthInChars + 1;
CON_ColorPrint(inputwin, input_field.buffer + input_field.scroll, qfalse);
}
CON_UpdateCursor();
wnoutrefresh(inputwin);
// Create the clock
clockwin = newwin(1, 8, LINES - 1, 0);
CON_UpdateClock();
// Display the title and input prompt
move(0, (COLS - Q_PrintStrlen(TITLE)) / 2);
CON_ColorPrint(stdscr, TITLE, qtrue);
move(LINES - 1, 8);
CON_ColorPrint(stdscr, PROMPT, qtrue);
wnoutrefresh(stdscr);
doupdate();
#ifndef _WIN32
// Catch window resizes
signal(SIGWINCH, (void *)CON_Resize);
#endif
curses_on = qtrue;
}
