/*
* mvwdelch --
* Do a delete-char on the line at (y, x) of the given window.
*/
int
mvwdelch(WINDOW *win, int y, int x)
{
if (wmove(win, y, x) == ERR)
return ERR;
return wdelch(win);
}
static void
send_bytes(int portfd, const unsigned char* buf, int n, WINDOW* win)
{
ssize_t written = 0;
while (written < n)
{
ssize_t rc = write(portfd, &buf[written], n - written);
if (rc >= 0)
written += rc;
else if (errno != EINTR)
exit_error("send bytes", errno);
}
int xmax, ymax;
getmaxyx(win, ymax, xmax);
--xmax;
if (n > xmax)
{
buf += n - xmax;
n = xmax;
}
int x, y;
getyx(win, y, x);
int ndel = x + n - xmax;
if (ndel > 0)
{
wmove(win, y, 0);
for (int i = 0; i < ndel; ++i)
wdelch(win);
wmove(win, y, x - ndel);
}
for (int i = 0; i < n; ++i)
{
cchar_t cc;
wchar_t wc[CCHARW_MAX];
attr_t attrs;
short color_pair;
wgetbkgrnd(win, &cc);
getcchar(&cc, wc, &attrs, &color_pair, 0);
wc[0] = kc_to_wide_char(buf[i]);
setcchar(&cc, wc, attrs, color_pair, 0);
wadd_wch(win, &cc);
}
while (tcdrain(portfd) < 0)
{
if (errno != EINTR)
exit_error("send bytes", errno);
}
}
int mvdelch(int y, int x)
{
PDC_LOG(("mvdelch() - called\n"));
if (move(y, x) == ERR)
return ERR;
return wdelch(stdscr);
}
/*
input:delch()
delete a character
*/
int lui_delch_input(lua_State *L)
{
INPUT *i;
luasoul_checkclass(L, 1, INPUT_CLASS, i); /* get input */
wdelch(i->pad);
return 0;
}
int mvwdelch(WINDOW *win, int y, int x)
{
PDC_LOG(("mvwdelch() - called\n"));
if (wmove(win, y, x) == ERR)
return ERR;
return wdelch(win);
}
void Terminal::clear_(){
for(int start = cmd.GetSize() + offset; start >= offset; start--){
wmove(input_window, 0, start);
wdelch(input_window);
}
cmd.Clear();
cursX = offset;
update_cursor_();
refresh_();
}
/**
* Key backspace.
*/
static void
case_key_backspace(volatile struct readline_session_context *ctx)
{
struct current_cursor_pos yx;
if (ctx->bufpos == 0) {
term_beep();
return;
}
if (loLim_isset(ctx->act, ctx->prompt_size)) {
magic_swap_panels(ctx, false);
}
if (ctx->insert_mode) {
wchar_t *ptr = &ctx->buffer[ctx->bufpos--];
(void) wmemmove(ptr - 1, ptr, wcslen(ptr));
ctx->buffer[--ctx->n_insert] = 0L;
yx = term_get_pos(ctx->act);
if (wmove(ctx->act, yx.cury, yx.curx - 1) == ERR ||
wdelch(ctx->act) == ERR || wclrtoeol(ctx->act) == ERR) {
readline_error(EPERM, "wmove, wdelch or wclrtoeol");
}
readline_winsnstr(ctx->act, &ctx->buffer[ctx->bufpos], -1);
} else { /* not insert_mode */
ctx->buffer[--ctx->bufpos] = 0L;
ctx->n_insert--;
yx = term_get_pos(ctx->act);
if (wmove(ctx->act, yx.cury, yx.curx - 1) == ERR ||
wdelch(ctx->act) == ERR) {
readline_error(EPERM, "wmove or wdelch");
}
}
update_panels();
(void) doupdate();
}
/**
* Read at most n characters from the FIFO into a window
*
* @v *win window in which to echo input
* @v *str pointer to string in which to store result
* @v n maximum number of characters to read into string (inc. NUL)
* @ret rc return status code
*/
int wgetnstr ( WINDOW *win, char *str, int n ) {
char *_str;
int c;
if ( n == 0 ) {
*str = '\0';
return OK;
}
_str = str;
while ( ( c = _wgetc( win ) ) != ERR ) {
/* termination enforcement - don't let us go past the
end of the allocated buffer... */
if ( n == 0 && ( c >= 32 && c <= 126 ) ) {
_wcursback( win );
wdelch( win );
} else {
if ( c >= 32 && c <= 126 ) {
*(_str++) = c; n--;
} else {
switch(c) {
case KEY_LEFT :
case KEY_BACKSPACE :
_wcursback( win );
wdelch( win );
break;
case KEY_ENTER :
*_str = '\0';
return OK;
default :
beep();
break;
}
}
}
}
return ERR;
}
void
wdelchar()
{
register struct vt *v;
v = &VT_array[VT_curid];
v->flags |= VT_DIRTY;
if (!(v->flags & VT_NOBORDER)) {
/*
* insert character before border
* (not necessary yet, handled in fields)
*/
;
}
wdelch(v->win);
}
int CursedWindow::getChar()
{
int c, width, height, distFromSpace;
c = wgetch(contentWindow);
getyx(contentWindow, cursorY, cursorX);
getmaxyx(contentWindow, height, width);
switch(c){
case KEY_DC:
waddch(contentWindow, 'x');
break;
case KEY_DOWN:
wmove(contentWindow, cursorY+1, cursorX);
break;
case KEY_UP:
wmove(contentWindow, cursorY-1, cursorX);
break;
case KEY_LEFT:
wmove(contentWindow, cursorY, cursorX-1);
break;
case KEY_RIGHT:
wmove(contentWindow, cursorY, cursorX+1);
break;
case KEY_BACKSPACE:
wmove(contentWindow, cursorY, cursorX-1);
wdelch(contentWindow);
break;
case ' ':
lastSpaceX = cursorX;
// waddch(contentWindow, '\n');
//waddch(contentWindow, c);
default:
if (cursorX < width-1){
waddch(contentWindow, c);
}
else {
distFromSpace = cursorX - lastSpaceX;
// need to drop the text down at the last space
// wmove(contentWindow, y, lastSpaceX);
// waddch(contentWindow, '\n');
// wmove(contentWindow, y+1, lastSpaceX+distFromSpace);
waddch(contentWindow, c);
}
break;
}
return c;
}
void putch(WINDOW * win, char ch)
{
if (ch == 4 || ch == 7)
ch = '\b';
if ( ch < ' ' && ch != '\t' && ch != '\n' && ch != '\b' &&
ch != 'å' && ch != 'Å' && ch != 'ä' && ch != 'Ä' &&
ch != 'ö' && ch != 'Ö'
)
return;
pthread_mutex_lock(&scr_mutex);
wechochar(win, (unsigned char)ch);
if (ch == '\b')
{
wdelch(win);
refresh();
}
pthread_mutex_unlock(&scr_mutex);
}
//циклический ввод и отправка сообщений
void MessageType(void)
{
int ch,x,y,i=0;//,j=1;
char message[getmaxx(mpanel[2])-1];
while((ch=wgetch(mpanel[2]))!=KEY_F(5)&&end==0)
{
wrefresh(mpanel[2]);
//обработка enter
if(ch==10)
{
GetMessage(message);
ClearPanel(2);
wmove(mpanel[2],1,1);
i=0;
ClientSendMsg(message);
}
else if(ch==KEY_BACKSPACE)
{
getyx(mpanel[2],y,x);
if(x!=1)
{
wmove(mpanel[2],y,x-1);
wdelch(mpanel[2]);
box(mpanel[2],0,0);
wmove(mpanel[2],0,getmaxx(mpanel[2])/2-13);
wprintw(mpanel[2]," Type your message, %ld ",(long)getpid());
wmove(mpanel[2],1,getmaxx(mpanel[2])-2);
wprintw(mpanel[2]," ");
wmove(mpanel[2],y,x-1);
i--;
}
}
else
{
//не даем печатать за границу
if(i>=getmaxx(mpanel[2])-2)
{
continue;
}
wprintw(mpanel[2],"%c",ch);
i++;
}
}
}
void putch(WINDOW * win, char ch)
{
if (ch == 4 || ch == 7) // Translate left-arrow, backspace to CTL-H
ch = '\b';
if (ch < ' ' && ch != '\t' && ch != '\n' && ch != '\b' &&
ch != 'å' && ch != 'Å' && ch != 'ä' && ch != 'Ä' &&
ch != 'ö' && ch != 'Ö'
) {
return;
}
pthread_mutex_lock(&scr_mutex); // Get exclusive access to screen.
wechochar(win, (unsigned char)ch);
if (ch == '\b') {
wdelch(win);
refresh();
}
pthread_mutex_unlock(&scr_mutex);
}
//активаци¤ командной строки
void ActivateCMD(void)
{
int ch,i=0,x,y;
char command[getmaxx(cmd)];
ClearPanel(3);
wmove(cmd,1,1);
curs_set(1);
keypad(cmd,1);
while((ch=wgetch(cmd))!=10&&i<getmaxx(cmd))
{
wrefresh(cmd);
if(ch==KEY_BACKSPACE)
{
getyx(cmd,y,x);
if(x!=1)
{
wmove(cmd,y,x-1);
wdelch(cmd);
//после удалени¤ символа нужно поправить рамку
box(cmd,0,0);
wmove(cmd,0,2);
wprintw(cmd,"Command line");
wmove(cmd,1,getmaxx(cmd)-2);
wprintw(cmd," ");
wmove(cmd,y,x-1);
i--;
}
}
else
{
wprintw(cmd,"%c",ch);
command[i]=ch;
i++;
}
}
ExecuteCMD(command);
curs_set(0);
wrefresh(cmd);
}
char Console::getchar() {
noecho();
char c = wgetch(cmd_window);
if (c != 127 && c != 8) {
if (cmd_curs_x == CMD_WINDOW_STARTX) {
cmd_curs_x += 2;
} else {
cmd_curs_x += 1;
}
wmove(cmd_window, CMD_WINDOW_STARTY, cmd_curs_x);
waddch(cmd_window, c);
refresh();
} else if (cmd_curs_x != CMD_WINDOW_STARTX) {
wmove(cmd_window, CMD_WINDOW_STARTY, cmd_curs_x);
wdelch(cmd_window);
cmd_curs_x -= 1;
wmove(cmd_window, CMD_WINDOW_STARTY, cmd_curs_x);
refresh();
}
return c;
}
/**
* Pop a character from the FIFO into a window
*
* @v *win window in which to echo input
* @ret c char from input stream
*/
int wgetch ( WINDOW *win ) {
int c;
c = _wgetc( win );
if ( m_echo ) {
if ( c >= KEY_MIN ) {
switch(c) {
case KEY_LEFT :
case KEY_BACKSPACE :
_wcursback( win );
wdelch( win );
break;
default :
beep();
break;
}
} else {
_wputch( win, (chtype)( c | win->attrs ), WRAP );
}
}
return c;
}
/**
* Handles what happens if the delete key is pressed.
*/
static void
case_key_dc(volatile struct readline_session_context *ctx)
{
wchar_t *ptr;
const int this_index = ctx->bufpos + 1;
if (!ctx->insert_mode) {
term_beep();
return;
}
ptr = &ctx->buffer[this_index];
(void) wmemmove(ptr - 1, ptr, wcslen(ptr));
ctx->buffer[--ctx->n_insert] = 0L;
if (wdelch(ctx->act) == ERR || wclrtoeol(ctx->act) == ERR) {
readline_error(EPERM, "wdelch or wclrtoeol");
}
readline_winsnstr(ctx->act, &ctx->buffer[ctx->bufpos], -1);
update_panels();
(void) doupdate();
}
void inputTest(WINDOW *win)
{
int w, h, bx, by, sw, sh, i, c, num = 0;
int line_to_use = 3;
char buffer[80];
WINDOW *subWin;
static const char spinner[4] = "/-\\|";
int spinner_count = 0;
wclear(win);
getmaxyx(win, h, w);
getbegyx(win, by, bx);
sw = w / 3;
sh = h / 3;
if ((subWin = subwin(win, sh, sw, by + h - sh - 2, bx + w - sw - 2))
== NULL)
return;
#ifdef A_COLOR
if (has_colors())
{
init_pair(2, COLOR_WHITE, COLOR_RED);
wbkgd(subWin, COLOR_PAIR(2) | A_BOLD);
}
else
#endif
wbkgd(subWin, A_BOLD);
box(subWin, ACS_VLINE, ACS_HLINE);
wrefresh(win);
nocbreak();
wclear (win);
mvwaddstr(win, 1, 1,
"Press keys (or mouse buttons) to show their names");
mvwaddstr(win, 2, 1, "Press spacebar to finish");
wrefresh(win);
keypad(win, TRUE);
raw();
noecho();
wtimeout(win, 200);
#ifdef PDCURSES
mouse_set(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION);
PDC_save_key_modifiers(TRUE);
// PDC_return_key_modifiers(TRUE);
#endif
curs_set(0); /* turn cursor off */
while (1)
{
while (1)
{
c = wgetch(win);
if (c == ERR)
{
spinner_count++;
if (spinner_count == 4)
spinner_count = 0;
mvwaddch(win, line_to_use, 3, spinner[spinner_count]);
wrefresh(win);
}
else
break;
}
#ifdef PDCURSES
// wmove(win, line_to_use + 1, 18);
// wclrtoeol(win);
#endif
mvwaddstr(win, line_to_use, 5, "Key Pressed: ");
wclrtoeol(win);
wprintw( win, "(%x) ", c);
if( has_key( c))
wprintw(win, "%s", keyname(c));
else if (isprint(c) || c > 0xff)
waddch( win, c);
else
wprintw(win, "%s", unctrl(c));
#ifdef PDCURSES
if (c == KEY_MOUSE)
{
int button = 0, status = 0;
request_mouse_pos();
if (BUTTON_CHANGED(1))
button = 1;
else if (BUTTON_CHANGED(2))
button = 2;
else if (BUTTON_CHANGED(3))
button = 3;
else if (BUTTON_CHANGED(4)) /* added 21 Jan 2011: BJG */
button = 4;
else if (BUTTON_CHANGED(5))
button = 5;
if( button)
status = (button > 3 ? Mouse_status.xbutton[(button) - 4] :
Mouse_status.button[(button) - 1]);
wmove(win, line_to_use, 5);
wclrtoeol(win);
wprintw(win, "Button %d: ", button);
if (MOUSE_MOVED)
waddstr(win, "moved: ");
else if (MOUSE_WHEEL_UP)
waddstr(win, "wheel up: ");
else if (MOUSE_WHEEL_DOWN)
waddstr(win, "wheel dn: ");
else if (MOUSE_WHEEL_LEFT)
waddstr(win, "wheel lt: ");
else if (MOUSE_WHEEL_RIGHT)
waddstr(win, "wheel rt: ");
else if ((status & BUTTON_ACTION_MASK) == BUTTON_PRESSED)
waddstr(win, "pressed: ");
else if ((status & BUTTON_ACTION_MASK) == BUTTON_CLICKED)
waddstr(win, "clicked: ");
else if ((status & BUTTON_ACTION_MASK) == BUTTON_DOUBLE_CLICKED)
waddstr(win, "double: ");
else if ((status & BUTTON_ACTION_MASK) == BUTTON_TRIPLE_CLICKED)
waddstr(win, "triple: ");
else
waddstr(win, "released: ");
wprintw(win, "Posn: Y: %d X: %d", MOUSE_Y_POS, MOUSE_X_POS);
if (button && (status & BUTTON_MODIFIER_MASK))
{
if (status & BUTTON_SHIFT)
waddstr(win, " SHIFT");
if (status & BUTTON_CONTROL)
waddstr(win, " CONTROL");
if (status & BUTTON_ALT)
waddstr(win, " ALT");
}
}
else if (PDC_get_key_modifiers())
{
waddstr(win, " Modifier(s):");
if (PDC_get_key_modifiers() & PDC_KEY_MODIFIER_SHIFT)
waddstr(win, " SHIFT");
if (PDC_get_key_modifiers() & PDC_KEY_MODIFIER_CONTROL)
waddstr(win, " CONTROL");
if (PDC_get_key_modifiers() & PDC_KEY_MODIFIER_ALT)
waddstr(win, " ALT");
if (PDC_get_key_modifiers() & PDC_KEY_MODIFIER_NUMLOCK)
waddstr(win, " NUMLOCK");
}
#endif
wrefresh(win);
if (c == ' ')
break;
line_to_use++;
if( line_to_use == 10)
line_to_use = 3;
}
wtimeout(win, -1); /* turn off timeout() */
curs_set(1); /* turn cursor back on */
#ifdef PDCURSES
mouse_set(0L);
PDC_save_key_modifiers(FALSE);
// PDC_return_key_modifiers(FALSE);
#endif
wclear(win);
mvwaddstr(win, 2, 1, "Press some keys for 5 seconds");
mvwaddstr(win, 1, 1, "Pressing ^C should do nothing");
wrefresh(win);
werase(subWin);
box(subWin, ACS_VLINE, ACS_HLINE);
for (i = 0; i < 5; i++)
{
mvwprintw(subWin, 1, 1, "Time = %d", i);
wrefresh(subWin);
napms(1000);
flushinp();
}
delwin(subWin);
werase(win);
flash();
wrefresh(win);
napms(500);
flushinp();
mvwaddstr(win, 2, 1, "Press a key, followed by ENTER");
wmove(win, 9, 10);
wrefresh(win);
echo();
keypad(win, TRUE);
raw();
wgetnstr(win, buffer, 3);
flushinp();
wmove(win, 9, 10);
wdelch(win);
mvwaddstr(win, 4, 1, "The character should now have been deleted");
Continue(win);
refresh();
wclear(win);
echo();
buffer[0] = '\0';
mvwaddstr(win, 3, 2, "The window should have moved");
mvwaddstr(win, 4, 2,
"This text should have appeared without you pressing a key");
mvwaddstr(win, 6, 2, "Enter a number then a string separated by space");
mvwin(win, 2, 1);
wrefresh(win);
mvwscanw(win, 7, 6, "%d %s", &num, buffer);
mvwprintw(win, 8, 6, "String: %s Number: %d", buffer, num);
Continue(win);
refresh();
wclear(win);
echo();
mvwaddstr(win, 3, 2, "Enter a 5 character string: ");
wgetnstr(win, buffer, 5);
mvwprintw(win, 4, 2, "String: %s", buffer);
Continue(win);
}
std::string Terminal::GetCommand(const int &prev_cmd_return_/*=0*/){
std::string output = "";
sclock::time_point commandRequestTime = sclock::now();
sclock::time_point currentTime;
//Update status message
if (status_window) {
werase(status_window);
print(status_window,statusStr.at(0).c_str());
}
// Check for commands in the command queue.
if(!prompt_user && !cmd_queue.empty()){
while(true){
output = cmd_queue.front();
cmd_queue.pop_front();
// Check for blank lines.
if(!output.empty()){ break; }
}
from_script = true;
}
else{
// Get a command from the user.
while(true){
if(SIGNAL_SEGFAULT){ // segmentation fault (SIGSEGV)
Close();
return "_SIGSEGV_";
}
if(SIGNAL_INTERRUPT){ // ctrl-c (SIGINT)
SIGNAL_INTERRUPT = false;
output = "CTRL_C";
break;
}
if(SIGNAL_TERMSTOP){ // ctrl-z (SIGTSTP)
SIGNAL_TERMSTOP = false;
output = "CTRL_Z";
break;
}
//Update status message
if (status_window) {
werase(status_window);
print(status_window,statusStr.at(0).c_str());
}
flush(); // If there is anything in the stream, dump it to the screen
// Time out if there is no command within the set interval (default 0.5 s).
if (commandTimeout_ > 0) {
// Update the current time.
currentTime = sclock::now();
std::chrono::duration<float> time_span = std::chrono::duration_cast<std::chrono::duration<float>>(currentTime - commandRequestTime);
// If the timeout has passed we simply return the empty output string.
if (time_span.count() > commandTimeout_) {
break;
}
}
int keypress = wgetch(input_window);
// Check for internal commands
if(keypress == ERR){continue;} // No key was pressed in the interval
else if(keypress == 10){ // Enter key (10)
std::string temp_cmd = cmd.Get();
//Reset the position in the history.
commands.Reset();
if(temp_cmd != "" && temp_cmd != commands.PeekPrev()){ // Only save this command if it is different than the previous command
commands.Push(temp_cmd);
}
output = temp_cmd;
std::cout << prompt << output << "\n";
flush();
_scrollPosition = 0;
clear_();
tabCount = 0;
break;
}
else if(keypress == '\t' && enableTabComplete) {
tabCount++;
output = cmd.Get().substr(0,cursX - offset) + "\t";
break;
}
else if(keypress == 4){ // ctrl-d (EOT)
output = "CTRL_D";
clear_();
tabCount = 0;
break;
}
else if(keypress == 9){ } // Tab key (9)
else if(keypress == KEY_UP){ // 259
if(commands.GetIndex() == 0){ commands.Capture(cmd.Get()); }
std::string temp_cmd = commands.GetPrev();
if(temp_cmd != "NULL"){
clear_();
cmd.Set(temp_cmd);
in_print_(cmd.Get().c_str());
}
}
else if(keypress == KEY_DOWN){ // 258
std::string temp_cmd = commands.GetNext();
if(temp_cmd != "NULL"){
clear_();
cmd.Set(temp_cmd);
in_print_(cmd.Get().c_str());
}
}
else if(keypress == KEY_LEFT){ cursX--; } // 260
else if(keypress == KEY_RIGHT){ cursX++; } // 261
else if(keypress == KEY_PPAGE){ //Page up key
scroll_(-(_winSizeY-2));
}
else if(keypress == KEY_NPAGE){ //Page down key
scroll_(_winSizeY-2);
}
else if(keypress == KEY_BACKSPACE){ // 263
wmove(input_window, 0, --cursX);
wdelch(input_window);
cmd.Pop(cursX - offset);
}
else if(keypress == KEY_DC){ // Delete character (330)
//Remove character from terminal
wdelch(input_window);
//Remove character from cmd string
cmd.Pop(cursX - offset);
}
else if(keypress == KEY_IC){ cmd.ToggleInsertMode(); } // Insert key (331)
else if(keypress == KEY_HOME){ cursX = offset; }
else if(keypress == KEY_END){ cursX = cmd.GetSize() + offset; }
else if(keypress == KEY_MOUSE) { //Handle mouse events
MEVENT mouseEvent;
//Get information about mouse event.
getmouse(&mouseEvent);
switch (mouseEvent.bstate) {
//Scroll up
case BUTTON4_PRESSED:
scroll_(-3);
break;
//Scroll down. (Yes the name is strange.)
case REPORT_MOUSE_POSITION:
scroll_(3);
break;
}
}
else if(keypress == KEY_RESIZE) {
//Do nothing with the resize key
}
else{
in_char_((char)keypress);
cmd.Put((char)keypress, cursX - offset - 1);
}
// Check for cursor too far to the left
if(cursX < offset){ cursX = offset + cmd.GetSize(); }
// Check for cursor too far to the right
if(cursX > (int)(cmd.GetSize() + offset)){ cursX = cmd.GetSize() + offset; }
if (keypress != ERR) tabCount = 0;
update_cursor_();
refresh_();
}
if(prompt_user){ // Waiting for user to specify yes or no.
if(output != "yes" && output != "y"){
std::cout << prompt << "Aborting execution!\n";
cmd_queue.clear();
}
prompt_user = false;
return "";
}
from_script = false;
}
// In the event of an empty command, return.
if(output.empty())
return "";
// Check for system commands.
std::string temp_cmd_string = output.substr(output.find_first_not_of(' '), output.find_first_of(' ')); // Strip the command from the front of the input.
std::string temp_arg_string = output.substr(output.find_first_of(' ')+1, output.find_first_of('#')); // Does not ignore leading whitespace.
if(temp_cmd_string.empty() || temp_cmd_string[0] == '#'){
// This is a comment line.
return "";
}
if(temp_cmd_string.substr(0, output.find_first_of(' ')).find('.') != std::string::npos){
if(temp_cmd_string == ".cmd"){ // Load a command script.
std::string command_filename = temp_arg_string.substr(output.find_first_not_of(' ')); // Ignores leading whitespace.
if(!LoadCommandFile(command_filename.c_str())){ // Failed to load command script.
std::cout << prompt << "Error! Failed to load command script " << command_filename << ".\n";
}
}
else if(temp_cmd_string == ".echo"){ // Print something to the screen.
std::cout << prompt << temp_arg_string << std::endl;
}
else if(temp_cmd_string == ".prompt"){ // Prompt the user with a yes/no question.
std::cout << prompt << temp_arg_string << " (yes/no)" << std::endl;
prompt_user = true;
}
else{ // Unrecognized command.
std::cout << prompt << "Error! Unrecognized system command " << temp_cmd_string << ".\n";
}
return ""; // Done processing the command. Don't need to send it to the caller.
}
// Print the command if it was read from a script. This is done so that the user
// will know what is happening in the script file. It will also ignore system
// commands in the file.
if(from_script){
std::cout << prompt << output << "\n";
flush();
_scrollPosition = 0;
clear_();
tabCount = 0;
}
return output;
}
/*
****************************************************************************
* Read input from ncurses window.
*
* IN:
* @window Window where prompt will be printed.
* @msg Message prompt.
* @pos At deleting wrong input, cursor do not moving beyond that pos.
* @len Max allowed length of string.
* @echoing Show characters typed by the user.
*
* OUT:
* @with_esc Flag which determines when function finish with ESC.
* @str Entered string.
****************************************************************************
*/
void cmd_readline(WINDOW *window, const char * msg, unsigned int pos, bool * with_esc, char * str, unsigned int len, bool echoing)
{
int ch;
int i = 0;
bool done = false;
if (echoing)
echo();
cbreak();
nodelay(window, FALSE);
keypad(window, TRUE);
/* show prompt if msg not empty */
if (strlen(msg) != 0) {
wprintw(window, "%s", msg);
wrefresh(window);
}
memset(str, 0, len);
while (1) {
if (done)
break;
ch = wgetch(window);
switch (ch) {
case ERR:
str[0] = '\0';
flushinp();
done = true;
break;
case 27: /* Esc */
wclear(window);
wprintw(window, "Do nothing. Operation canceled. ");
nodelay(window, TRUE);
*with_esc = true;
str[0] = '\0';
flushinp();
done = true;
break;
case 10: /* Enter */
str[len] = '\0';
flushinp();
nodelay(window, TRUE);
*with_esc = false; /* normal finish with \n */
done = true;
break;
case 263: case 330: case 127: /* Backspace, Delete, */
if (i > 0) {
i--;
wdelch(window);
continue;
} else {
wmove(window, 0, pos);
continue;
}
break;
default:
if (strlen(str) < len + 1) {
str[i] = ch;
i++;
}
break;
}
}
noecho();
cbreak();
nodelay(window, TRUE);
keypad(window, FALSE);
}
void erase_cursor(struct cursor *cursor) {
wdelch(cursor->window);
wrefresh(cursor->window);
}
std::string Terminal::GetCommand(){
std::string output = "";
time_t commandRequestTime;
time_t currentTime;
time(&commandRequestTime);
//Update status message
if (status_window) {
werase(status_window);
print(status_window,statusStr.at(0).c_str());
}
while(true){
if(SIGNAL_SEGFAULT){ // segmentation fault (SIGSEGV)
Close();
return "_SIGSEGV_";
}
if(SIGNAL_INTERRUPT){ // ctrl-c (SIGINT)
SIGNAL_INTERRUPT = false;
output = "CTRL_C";
text_length = 0;
break;
}
else if(SIGNAL_TERMSTOP){ // ctrl-z (SIGTSTP)
SIGNAL_TERMSTOP = false;
output = "CTRL_Z";
text_length = 0;
break;
}
flush(); // If there is anything in the stream, dump it to the screen
//Time out if there is no command within the set interval (default 0.5 s).
if (commandTimeout_ > 0) {
time(¤tTime);
//If the timeout has passed we simply return the empty output string.
if (currentTime > commandRequestTime + commandTimeout_) {
break;
}
}
int keypress = wgetch(input_window);
// Check for internal commands
if(keypress == ERR){ } // No key was pressed in the interval
else if(keypress == 10){ // Enter key (10)
std::string temp_cmd = cmd.Get();
//Reset the position in the history.
commands.Reset();
if(temp_cmd != "" && temp_cmd != commands.PeekPrev()){ // Only save this command if it is different than the previous command
commands.Push(temp_cmd);
}
output = temp_cmd;
std::cout << prompt << output << "\n";
flush();
text_length = 0;
_scrollPosition = 0;
clear_();
tabCount = 0;
break;
}
else if(keypress == '\t' && enableTabComplete) {
tabCount++;
output = cmd.Get().substr(0,cursX - offset) + "\t";
break;
}
else if(keypress == 4){ // ctrl-d (EOT)
output = "CTRL_D";
text_length = 0;
clear_();
tabCount = 0;
break;
}
else if(keypress == 9){ } // Tab key (9)
else if(keypress == KEY_UP){ // 259
if(commands.GetIndex() == 0){ commands.Capture(cmd.Get()); }
std::string temp_cmd = commands.GetPrev();
if(temp_cmd != "NULL"){
clear_();
cmd.Set(temp_cmd);
in_print_(cmd.Get().c_str());
text_length = cmd.GetSize();
}
}
else if(keypress == KEY_DOWN){ // 258
std::string temp_cmd = commands.GetNext();
if(temp_cmd != "NULL"){
clear_();
cmd.Set(temp_cmd);
in_print_(cmd.Get().c_str());
text_length = cmd.GetSize();
}
}
else if(keypress == KEY_LEFT){ cursX--; } // 260
else if(keypress == KEY_RIGHT){ cursX++; } // 261
else if(keypress == KEY_PPAGE){ //Page up key
scroll_(-(_winSizeY-2));
}
else if(keypress == KEY_NPAGE){ //Page down key
scroll_(_winSizeY-2);
}
else if(keypress == KEY_BACKSPACE){ // 263
wmove(input_window, 0, --cursX);
wdelch(input_window);
cmd.Pop(cursX - offset);
text_length = cmd.GetSize();
}
else if(keypress == KEY_DC){ // Delete character (330)
//Remove character from terminal
wdelch(input_window);
//Remove character from cmd string
cmd.Pop(cursX - offset);
text_length = cmd.GetSize();
}
else if(keypress == KEY_IC){ cmd.ToggleInsertMode(); } // Insert key (331)
else if(keypress == KEY_HOME){ cursX = offset; }
else if(keypress == KEY_END){ cursX = text_length + offset; }
else if(keypress == KEY_MOUSE) { //Handle mouse events
MEVENT mouseEvent;
//Get information about mouse event.
getmouse(&mouseEvent);
switch (mouseEvent.bstate) {
//Scroll up
case BUTTON4_PRESSED:
scroll_(-3);
break;
//Scroll down. (Yes the name is strange.)
case REPORT_MOUSE_POSITION:
scroll_(3);
break;
}
}
else if(keypress == KEY_RESIZE) {
//Do nothing with the resize key
}
else{
in_char_((char)keypress);
cmd.Put((char)keypress, cursX - offset - 1);
text_length = cmd.GetSize();
}
// Check for cursor too far to the left
if(cursX < offset){ cursX = offset; }
// Check for cursor too far to the right
if(cursX > (text_length + offset)){ cursX = text_length + offset; }
//Update status message
if (status_window) {
werase(status_window);
print(status_window,statusStr.at(0).c_str());
}
if (keypress != ERR) tabCount = 0;
update_cursor_();
refresh_();
}
return output;
}
int chkr_wdelch(WINDOW *win)
{
CHECK_WIN(win);
return(wdelch(win));
}
static void
inputTest(WINDOW *win)
{
int answered;
int repeat;
int w, h, bx, by, sw, sh, i, c, num;
char buffer[80];
WINDOW *subWin;
wclear(win);
getmaxyx(win, h, w);
getbegyx(win, by, bx);
sw = w / 3;
sh = h / 3;
if ((subWin = subwin(win, sh, sw, by + h - sh - 2, bx + w - sw - 2)) == NULL)
return;
#ifdef A_COLOR
if (has_colors()) {
init_pair(2, COLOR_WHITE, COLOR_RED);
wbkgd(subWin, (chtype) COLOR_PAIR(2) | A_BOLD);
} else
wbkgd(subWin, A_BOLD);
#else
wbkgd(subWin, A_BOLD);
#endif
box(subWin, ACS_VLINE, ACS_HLINE);
wrefresh(win);
nocbreak();
MvWAddStr(win, 2, 1, "Press some keys for 5 seconds");
MvWAddStr(win, 1, 1, "Pressing ^C should do nothing");
wrefresh(win);
werase(subWin);
box(subWin, ACS_VLINE, ACS_HLINE);
for (i = 0; i < 5; i++) {
MvWPrintw(subWin, 1, 1, "Time = %d", i);
wrefresh(subWin);
napms(1000);
flushinp();
}
delwin(subWin);
werase(win);
flash();
wrefresh(win);
napms(500);
MvWAddStr(win, 2, 1, "Press a key, followed by ENTER");
wmove(win, 9, 10);
wrefresh(win);
echo();
noraw();
wgetch(win);
flushinp();
wmove(win, 9, 10);
wdelch(win);
MvWAddStr(win, 4, 1, "The character should now have been deleted");
Continue(win);
wclear(win);
MvWAddStr(win, 1, 1, "Press keys (or mouse buttons) to show their names");
MvWAddStr(win, 2, 1, "Press spacebar to finish");
wrefresh(win);
keypad(win, TRUE);
raw();
noecho();
#if HAVE_TYPEAHEAD
typeahead(-1);
#endif
#ifdef NCURSES_MOUSE_VERSION
mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
#endif
#if defined(PDCURSES)
mouse_set(ALL_MOUSE_EVENTS);
#endif
for (;;) {
wmove(win, 3, 5);
c = wgetch(win);
wclrtobot(win);
if (c >= KEY_MIN)
wprintw(win, "Key Pressed: %s", keyname(c));
else if (isprint(c))
wprintw(win, "Key Pressed: %c", c);
else
wprintw(win, "Key Pressed: %s", unctrl(UChar(c)));
#ifdef KEY_MOUSE
if (c == KEY_MOUSE) {
#if defined(NCURSES_MOUSE_VERSION)
#define ButtonChanged(n) ((event.bstate) & NCURSES_MOUSE_MASK(1, 037))
#define ButtonPressed(n) ((event.bstate) & NCURSES_MOUSE_MASK(1, NCURSES_BUTTON_PRESSED))
#define ButtonDouble(n) ((event.bstate) & NCURSES_MOUSE_MASK(1, NCURSES_DOUBLE_CLICKED))
#define ButtonTriple(n) ((event.bstate) & NCURSES_MOUSE_MASK(1, NCURSES_TRIPLE_CLICKED))
#define ButtonRelease(n) ((event.bstate) & NCURSES_MOUSE_MASK(1, NCURSES_BUTTON_RELEASED))
MEVENT event;
int button = 0;
getmouse(&event);
if (ButtonChanged(1))
button = 1;
else if (ButtonChanged(2))
button = 2;
else if (ButtonChanged(3))
button = 3;
else
button = 0;
wmove(win, 4, 18);
wprintw(win, "Button %d: ", button);
if (ButtonPressed(button))
wprintw(win, "pressed: ");
else if (ButtonDouble(button))
wprintw(win, "double: ");
else if (ButtonTriple(button))
wprintw(win, "triple: ");
else
wprintw(win, "released: ");
wprintw(win, " Position: Y: %d X: %d", event.y, event.x);
#elif defined(PDCURSES)
int button = 0;
request_mouse_pos();
if (BUTTON_CHANGED(1))
button = 1;
else if (BUTTON_CHANGED(2))
button = 2;
else if (BUTTON_CHANGED(3))
button = 3;
else
button = 0;
wmove(win, 4, 18);
wprintw(win, "Button %d: ", button);
if (MOUSE_MOVED)
wprintw(win, "moved: ");
else if ((BUTTON_STATUS(button) & BUTTON_ACTION_MASK) == BUTTON_PRESSED)
wprintw(win, "pressed: ");
else if ((BUTTON_STATUS(button) & BUTTON_ACTION_MASK) == BUTTON_DOUBLE_CLICKED)
wprintw(win, "double: ");
else
wprintw(win, "released: ");
wprintw(win, " Position: Y: %d X: %d", MOUSE_Y_POS, MOUSE_X_POS);
#endif /* NCURSES_VERSION vs PDCURSES */
}
#endif /* KEY_MOUSE */
wrefresh(win);
if (c == ' ')
break;
}
#if 0
nodelay(win, TRUE);
wgetch(win);
nodelay(win, FALSE);
#endif
#if defined(PDCURSES)
mouse_set(0L);
#endif
refresh();
repeat = 0;
do {
static const char *fmt[] =
{
"%d %10s",
"%d %[a-zA-Z]s",
"%d %[][a-zA-Z]s",
"%d %[^0-9]"
};
char *format = strdup(fmt[(unsigned) repeat % SIZEOF(fmt)]);
wclear(win);
MvWAddStr(win, 3, 2, "The window should have moved");
MvWAddStr(win, 4, 2,
"This text should have appeared without you pressing a key");
MvWPrintw(win, 6, 2,
"Scanning with format \"%s\"", format);
mvwin(win, 2 + 2 * (repeat % 4), 1 + 2 * (repeat % 4));
erase();
refresh();
wrefresh(win);
echo();
noraw();
num = 0;
*buffer = 0;
answered = mvwscanw(win, 7, 6, format, &num, buffer);
MvWPrintw(win, 8, 6,
"String: %s Number: %d (%d values read)",
buffer, num, answered);
Continue(win);
++repeat;
free(format);
} while (answered > 0);
}
int
sc_deleteChar()
{
return (wdelch(stdscr) != ERR);
}
/*
* delch --
* Do a delete-char on the line, leaving (cury, curx) unchanged.
*/
int
delch(void)
{
return wdelch(stdscr);
}
int main(int argc, char** argv){
int port,sd,row,col,crow,ccol,ctcol;
char buffer[BUFFSIZE],tmp[BUFFSIZE];
char username[MAXUSERSIZE],*user;//samething temp holder variable
if(argc!=4){
fprintf(stderr,"Usage: %s takes 3 arguments a server, a portname, and a username", argv[0]);
exit(EXIT_FAILURE);
}
port= atoi(argv[2]);
bzero(username,MAXUSERSIZE);
memcpy(username,argv[3],strlen(argv[3]));
user=username;
// their_addr.sin_family=AF_INET;
// their_addr.sin_port = htons(port);
//if(!inet_aton(argv[1], &their_addr.sin_addr.s_addr)){
// fprintf(stderr,"%s requires a valid server address", argv[0]);
// exit(EXIT_FAILURE);
//}
struct addrinfo* ai,*ac;
struct addrinfo hints;
hints.ai_family = AF_INET;
hints.ai_socktype = SOCK_DGRAM;
hints.ai_flags = 0;
hints.ai_protocol = port;
hints.ai_canonname = NULL;
hints.ai_addr = NULL;
hints.ai_next = NULL;
if(getaddrinfo(argv[1],argv[2],NULL,&ai)<0){
close(sd);
fprintf(stderr,"please input a vaild server!\n",argv[1]);
exit(EXIT_FAILURE);
}
for (ac = ai; ac != NULL; ac = ac->ai_next) {
sd = socket(AF_INET, SOCK_DGRAM,0);
fcntl(sd, F_SETFL, O_NONBLOCK);
if (sd == -1)
continue;
if (connect(sd, ac->ai_addr, ac->ai_addrlen) != -1)
break; /* Success */
close(sd);
}
// their_addr.sin_addr.s_addr=ai.ai_addr;
// memset(&(their_addr.sin_zero),'\0',8);
//char host[NI_MAXHOST],service[NI_MAXSERV];
WINDOW *chat_win,*text_win,*user_win;
// if(connect(sd,ai->ai_addr,ai->ai_addrlen)){
// close(sd);
// fprintf(stderr,"Failed to connect to %s!\n",argv[1]);
// exit(EXIT_FAILURE);
// }else{
initscr();
crow=1;
ccol=2;
ctcol=2;
getmaxyx(stdscr,row,col);
chat_win=create_newwin(row-3,col-30,0,0);
user_win=create_newwin(row-2,col,0,col-30);
text_win=create_newwin(3,col,row-3,0);
scrollok(chat_win, TRUE);
idlok(chat_win,TRUE);
scrollok(text_win, TRUE);
noecho();
if(sd!=-1){
mvwprintw(chat_win,crow++,ccol,"connected to server %s",argv[1]);
wrefresh(chat_win);
}else{
mvwprintw(chat_win,crow++,ccol,"couldn't connect to server %s ... exiting",argv[1]);
wrefresh(chat_win);
sleep(1);
delwin(text_win);
delwin(chat_win);
delwin(user_win);
endwin();
return 0;
}
// }
int bsize=BUFFSIZE;
int nread;
//send user name to server
bzero(buffer,BUFFSIZE);
bzero(tmp,BUFFSIZE);
memcpy(buffer,username,strlen(username));
send(sd,buffer,strlen(username),0);
int i=0;
int j;
char c;
int getusers=1;
wmove(text_win,1,ctcol);
wrefresh(text_win);
while(1){
bzero(buffer,BUFFSIZE);
if(kbhit()){
c=getchar();
if(c=='\r') continue;
tmp[i]=c;
i++;
mvwaddch(text_win,1,ctcol,c);
wrefresh(text_win);
ctcol++;
while(1){
if(kbhit()){
c=getchar();
if(c=='\r') break;
if(c==(char)127||c==(char)8){
if(i>0){
ctcol--;
wmove(text_win,1,ctcol);
wdelch(text_win);
wrefresh(text_win);
tmp[i]='\0';
i--;
}
continue;
}
if(i>BUFFSIZE)
continue;
tmp[i]=c;
i++;
mvwaddch(text_win,1,ctcol,c);
wrefresh(text_win);
ctcol++;
}
if((nread=recvp(chat_win,&crow,ccol,col-28,user_win,user,sd,buffer,BUFFSIZE,0))!=-1){
wmove(text_win,1,ctcol);
wrefresh(text_win);
}
}
}
if(i>0){
if(memcmp(tmp,"clear\0",6)==0){
wmove(chat_win,1,ccol);
wclrtobot(chat_win);
box(chat_win, 0 , 0);
wrefresh(chat_win);
box(text_win,0,0);
wrefresh(text_win);
crow=1;
ccol=1;
}else{
send(sd,tmp,i,0);
}
wmove(text_win,1,0);
wclrtoeol(text_win);
wrefresh(text_win);
ctcol=1;
i=0;
bzero(tmp,BUFFSIZE);
}
if((nread=recvp(chat_win,&crow,ccol,col-28,user_win,user,sd,buffer,BUFFSIZE,0))!=-1){
wmove(text_win,1,ctcol);
wrefresh(text_win);
if(memcmp(buffer,"close\0",6)==0){
sleep(1);
break;
}
//onetime thing
if(getusers){
getusers=0;
memcpy(tmp,":users:",7);
send(sd,tmp,7,0);
bzero(tmp,BUFFSIZE);
}
}
}
close(sd);
delwin(text_win);
delwin(chat_win);
delwin(user_win);
endwin();
return 0;
}
EIF_INTEGER c_ecurses_wdelch (EIF_POINTER w)
{
return wdelch((WINDOW *) w);
};
NCURSES_EXPORT(int) (mvwdelch) (WINDOW * a1, int a2, int z)
{
T((T_CALLED("mvwdelch(%p,%d,%d)"), (const void *)a1, a2, z)); returnCode((wmove(a1,a2,z) == (-1) ? (-1) : wdelch(a1)));
}
int delch(void)
{
PDC_LOG(("delch() - called\n"));
return wdelch(stdscr);
}
