/*
==================
CON_Clear_f
==================
*/
void CON_Clear_f(void)
{
if (!curses_on) {
CON_Clear_tty();
return;
}
// Clear the log and the window
memset(logbuf, 0, sizeof(logbuf));
werase(logwin);
pnoutrefresh(logwin, scrollline, 0, 2, 1, LOG_LINES + 1, LOG_COLS + 1);
// Move the cursor back to the input field
CON_UpdateCursor();
doupdate();
}
/*
==================
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_Input
==================
*/
char *CON_Input(void)
{
int chr, num_chars = 0;
static char text[MAX_EDIT_LINE];
static int lasttime = -1;
if (!curses_on)
return CON_Input_tty();
if (com_ansiColor->modified) {
CON_Resize();
com_ansiColor->modified = qfalse;
}
if (Com_RealTime(NULL) != lasttime) {
lasttime = Com_RealTime(NULL);
CON_UpdateClock();
num_chars++;
}
while (1) {
chr = getch();
num_chars++;
// Special characters
switch (chr) {
case ERR:
if (num_chars > 1) {
werase(inputwin);
if (input_field.cursor < input_field.scroll) {
input_field.scroll = input_field.cursor - INPUT_SCROLL;
if (input_field.scroll < 0)
input_field.scroll = 0;
} else if (input_field.cursor >= input_field.scroll + input_field.widthInChars)
input_field.scroll = input_field.cursor - input_field.widthInChars + INPUT_SCROLL;
CON_ColorPrint(inputwin, input_field.buffer + input_field.scroll, qfalse);
#ifdef _WIN32
wrefresh(inputwin); // If this is not done the cursor moves strangely
#else
wnoutrefresh(inputwin);
#endif
CON_UpdateCursor();
doupdate();
}
return NULL;
case '\n':
case '\r':
case KEY_ENTER:
if (!input_field.buffer[0])
continue;
Hist_Add(input_field.buffer);
strcpy(text, input_field.buffer);
Field_Clear(&input_field);
werase(inputwin);
wnoutrefresh(inputwin);
CON_UpdateCursor();
//doupdate();
Com_Printf(PROMPT "^7%s\n", text);
return text;
case '\t':
case KEY_STAB:
Field_AutoComplete(&input_field, PROMPT);
input_field.cursor = strlen(input_field.buffer);
continue;
case '\f':
CON_Resize();
continue;
case KEY_LEFT:
if (input_field.cursor > 0)
input_field.cursor--;
continue;
case KEY_RIGHT:
if (input_field.cursor < strlen(input_field.buffer))
input_field.cursor++;
continue;
case KEY_UP:
Q_strncpyz(input_field.buffer, Hist_Prev(), sizeof(input_field.buffer));
input_field.cursor = strlen(input_field.buffer);
continue;
case KEY_DOWN:
Q_strncpyz(input_field.buffer, Hist_Next(input_field.buffer), sizeof(input_field.buffer));
input_field.cursor = strlen(input_field.buffer);
continue;
case KEY_HOME:
input_field.cursor = 0;
continue;
case KEY_END:
input_field.cursor = strlen(input_field.buffer);
continue;
case KEY_NPAGE:
if (lastline > scrollline + LOG_LINES) {
scrollline += LOG_SCROLL;
if (scrollline + LOG_LINES > lastline)
scrollline = lastline - LOG_LINES;
pnoutrefresh(logwin, scrollline, 0, 2, 1, LOG_LINES + 1, LOG_COLS + 1);
CON_DrawScrollBar();
}
continue;
case KEY_PPAGE:
if (scrollline > 0) {
scrollline -= LOG_SCROLL;
if (scrollline < 0)
scrollline = 0;
pnoutrefresh(logwin, scrollline, 0, 2, 1, LOG_LINES + 1, LOG_COLS + 1);
CON_DrawScrollBar();
}
continue;
case '\b':
case 127:
case KEY_BACKSPACE:
if (input_field.cursor <= 0)
continue;
input_field.cursor--;
// Fall through
case KEY_DC:
if (input_field.cursor < strlen(input_field.buffer)) {
memmove(input_field.buffer + input_field.cursor,
input_field.buffer + input_field.cursor + 1,
strlen(input_field.buffer) - input_field.cursor);
}
continue;
}
// Normal characters
if (chr >= ' ' && chr < 256 && strlen(input_field.buffer) + 1 < sizeof(input_field.buffer)) {
memmove(input_field.buffer + input_field.cursor + 1,
input_field.buffer + input_field.cursor,
strlen(input_field.buffer) - input_field.cursor);
input_field.buffer[input_field.cursor] = chr;
input_field.cursor++;
}
}
}
/*
==================
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;
}