int main(int argc, char* argv[])
{
int is_running = 1;
int x_terminal_size, y_terminal_size;
int is_lurking = 0;
int is_yelling = 0;
int in_deepsix = 0;
int sending_im = 0;
int i;
/* josh-note:
These need to be uncommented for the client connection to work. */
/* int client_id = init_client("Henry"); create a client. */
/* init_user_list(client_id); init the client size user list. */
log_init();
log_writeln(" --------------------------- ");
log_writeln(" > Starting BlackChat");
signal(SIGALRM, scroll_ended_handler);
for(i = 0; i < 26; i ++) { /* set our message to null */
memset(yell_messages[i], '\0', MAX_MESSAGE_LENGTH * sizeof(wchar_t));
}
transcript_buffer = (wchar_t*)malloc(sizeof(wchar_t)*transcript_buffer_size);
f_transcript_buffer = (wchar_t*)malloc(sizeof(wchar_t)*f_transcript_buffer_size);
memset(client_buffer, '\0', sizeof(client_buffer));
memset(transcript_buffer, '\0', sizeof(transcript_buffer));
get_terminal_size(&x_terminal_size, &y_terminal_size);
log_writeln(" > ... detecting current terminal size xy:(%d,%d)", x_terminal_size, y_terminal_size);
log_writeln(" > ... initializing ncurses screen in raw mode");
initscr();
// start_color();
init_pair(0, COLOR_WHITE, COLOR_BLACK);
init_pair(1, COLOR_GREEN, COLOR_BLACK);
init_pair(2, COLOR_YELLOW, COLOR_BLACK);
init_pair(3, COLOR_CYAN, COLOR_BLACK);
init_pair(4, COLOR_MAGENTA, COLOR_BLACK);
raw();
keypad(stdscr, TRUE);
noecho();
color_set(0, NULL);
log_writeln(" > ... creating transcript and client window");
transcript_window = newwin(TRANSCRIPT_MAX_ROWS,TRANSCRIPT_MAX_COLUMNS, 0,0);
fullscreen_transcript_window = newwin(TRANSCRIPT_MAX_ROWS,TRANSCRIPT_MAX_COLUMNS*2, 0,0);
client_chat_window = newwin(MAX_ROWS,MAX_COLUMNS,24,0);
lurk_win = newwin(MAX_ROWS,MAX_COLUMNS,24,0);
yell_win = newwin(23,40,0,0);
deepsix_win = newwin(23,40,0,0);
im_win = newwin(TRANSCRIPT_MAX_ROWS,TRANSCRIPT_MAX_COLUMNS, 0,0);
status_win = newwin(3,40,21,40);
info_win = newwin(3,40,0,40);
// box(yell_win, '|', '-');
set_yell_message(0, L"Hello World");
set_yell_message(1, L"Yo dog!");
set_yell_message(2, L"Hey everyone!");
set_yell_message(3, L"Whats up?");
set_yell_message(12,L"I agree.");
wcolor_set(lurk_win, 4, NULL);
wcolor_set(transcript_window, 3, NULL);
wcolor_set(client_chat_window, 4, NULL);
wcolor_set(yell_win, 2, NULL);
wprintw(lurk_win, "Lurking... Use CTRL-L to unLurk or CTRL-Q to quit.");
log_writeln(" > ... creating other 9 windows");
init_other_windows();
log_writeln(" > ... [beginning transcript]");
write_to_transcript_window(L"***************************************");
write_to_transcript_window(L"******** Wecome to BlackChat! *********");
write_to_transcript_window(L"***************************************");
set_window_user_name(0, L"chris");
set_window_user_name(1, L"sue");
set_window_user_name(2, L"dan");
set_window_user_name(3, L"joe");
append_text_to_window(0, L"Sup!");
append_text_to_window(1, L"yo everyone, I'm in love with blackchat!");
append_text_to_window(2, L"hey, my name is Dan!");
append_text_to_window(3, L"Hey!?");
can_deepsix_user(0, 0);
set_user_status(1, 'L');
set_user_status(2, 'L');
/* Set our info window text. */
wprintw(info_win, " Black Chat v1.0\n");
wprintw(info_win, "UI: Henry Stratmann|Client: Josh Hartman\n");
wprintw(info_win, "Server: Tyler Reid |Protocol: Tim Rhoads\n");
while(is_running) {
int ch = getch();
/* wchar_t buf[512]; //get wchar_ts
sprintf(buf, "key pressed: '%c' int value: %d\n", ch, ch);
write_to_transcript_window(buf);
*/ //end get wchar_t
/* Check if were in "Lurk" mode. */
if(is_lurking) {
switch(ch) {
case 12: /* lurk-off */
is_lurking = 0;
print_client_chat_buffer();
break;
case 17: /* quit */
is_running = 0;
break;
default:
wrefresh(lurk_win);
}
}
/* Check if were in IM mode. */
else if(sending_im) {
/*
TODO: Display list of users (like deepsix) to send IM to.
All IM's will be displayed on the main transcript with some type of "marker"
indicating that this was an IM.
*/
if(ch >= 48 && ch <= 57) {
/* josh-note:
Have josh send IM based on "ch" */
}
/* quit */
if(ch == 17) {
is_running = 0;
}
/* exit IM */
sending_im = 0;
window_page_up(transcript_window, &transcript_current_line, TRANSCRIPT_MAX_COLUMNS, transcript_buffer);
window_page_up(fullscreen_transcript_window, &transcript_current_line, TRANSCRIPT_MAX_COLUMNS*2, f_transcript_buffer);
}
/* Check if were in deepsix mode. */
else if(in_deepsix) {
/* kick user */
if(ch >= 48 && ch <= 57) {
/* josh-note:
Have josh make a "kick_user(ch-48)" command.
Also, have josh keep track of who user voted for and display message on transcript as to how user voted
and/or if they already voted for the user. */
}
/* quit */
if(ch == 17) {
is_running = 0;
}
/* exit deepsix */
in_deepsix = 0;
window_page_up(transcript_window, &transcript_current_line, TRANSCRIPT_MAX_COLUMNS, transcript_buffer);
window_page_up(fullscreen_transcript_window, &transcript_current_line, TRANSCRIPT_MAX_COLUMNS*2, f_transcript_buffer);
}
/* Check if were yelling. */
else if(is_yelling) {
// redrawwin(yell_win);
// wrefresh(yell_win);
int index = ch - 97;
/* Write our comment to our transcript window. */
if(index >= 0 && index < 26) {
if( yell_messages[index][0] != '\0' ) {
write_to_transcript_window( yell_messages[index] );
}
}
is_yelling = 0;
redrawwin(client_chat_window);
wrefresh(client_chat_window);
redrawwin(transcript_window);
wrefresh(transcript_window);
} else {
/* Check what keys we pressed. */
switch(ch) {
/*
* Check if we pressed a control key. */
if(iscntrl(ch)) {
case 7: /* CTRL-G */
gaudy_mode_on = (gaudy_mode_on == 1) ? 0 : 1;
if(gaudy_mode_on) {
client_buffer[ client_cursor_position++ ] = 2;
} else {
client_buffer[ client_cursor_position++ ] = 3;
}
/* Print out updates to the window. */
print_client_chat_buffer();
break;
case 127:/* Backsapce Key (grok hack) */
case 8: /* CTRL-H */
client_buffer[ wcslen(client_buffer)-1 ] = '\0';
print_client_chat_buffer();
break;
case 9: /* CTRL-I / TAB */
if(!sending_im) {
sending_im = 1;
draw_im_window();
}
break;
case 10: /* CTRL-J and CTRL-M */
/* UNCOMMENT ME FOR USE WITH SERVER */
{
wchar_t *buf = NULL;
/* If we had gaudy mode on, we need to disable it. */
if(gaudy_mode_on) {
client_buffer[ client_cursor_position++ ] = 3;
client_buffer[ client_cursor_position++ ] = ' ';
gaudy_mode_on = 0;
}
/* Get our buffer togther to write to the transcript window. */
buf = (wchar_t*)malloc( (wcslen(L"[Client Says]: ")+wcslen(client_buffer)+1) * sizeof(wchar_t) );
write_to_transcript_window(L"[Client Says]: ");
write_to_transcript_window(client_buffer);
// sprintf(buf, "[Client Says]: %ls", client_buffer);
// write_to_transcript_window(buf);
}
clear_text_from_client_typing_window();
/* write_out(client_id); enter key is pressed so send a message to the server. */
break;
case 11: /* CTRL-K */
{
int i;
for(i = client_cursor_position+1; i < wcslen(client_buffer); i ++) {
client_buffer[i] = '\0';
}
}
break;
case 12: /* CTRL-L */
if(!is_lurking) {
redrawwin(lurk_win);
wrefresh(lurk_win);
is_lurking = 1;
}
break;
case 14: /* CTRL-N */
alarm(5);
user_is_scrolling = 1;
transcript_current_line ++;
window_page_down( transcript_window,
&transcript_current_line,
TRANSCRIPT_MAX_COLUMNS,
transcript_buffer );
window_page_down( fullscreen_transcript_window,
&transcript_current_line,
TRANSCRIPT_MAX_COLUMNS*2,
f_transcript_buffer );
break;
case 16: /* CTRL-P */
alarm(5);
user_is_scrolling = 1;
transcript_current_line --;
window_page_up( transcript_window,
&transcript_current_line,
TRANSCRIPT_MAX_COLUMNS,
transcript_buffer );
window_page_up( fullscreen_transcript_window,
&transcript_current_line,
TRANSCRIPT_MAX_COLUMNS*2,
f_transcript_buffer );
break;
case 17: /* CTRL-Q */
log_writeln(" > ... recived quit signal from client");
is_running = 0;
break;
case 20: /* CTRL-T */
if(transcript_maxed) {
transcript_maxed = 0;
window_page_up(transcript_window, &transcript_current_line, TRANSCRIPT_MAX_COLUMNS, transcript_buffer);
wclear(fullscreen_transcript_window);
wrefresh(fullscreen_transcript_window);
} else {
transcript_maxed = 1;
window_page_up(fullscreen_transcript_window, &transcript_current_line, TRANSCRIPT_MAX_COLUMNS*2, f_transcript_buffer);
wclear(transcript_window);
wrefresh(transcript_window);
}
break;
case 21: /* CTRL-U */
client_current_line = 0;
client_cursor_position = 0;
memset(client_buffer, '\0', wcslen(client_buffer)+1);
print_client_chat_buffer();
break;
case 23: /* CTRL-W */
delete_last_word_in_buffer(client_buffer);
print_client_chat_buffer();
break;
case 25: /* CTRL-Y */
{
if(!is_yelling)
{
redrawwin(yell_win);
wrefresh(yell_win);
is_yelling = 1;
}
}
break;
case 29: /* CTRL-] */
alarm(0);
user_is_scrolling = 0;
print_transcript_chat_buffer();
break;
case 30: /* CTRL-6 */
if(!in_deepsix)
{
draw_deepsix_window();
in_deepsix = 1;
}
break;
/*
* If we encountered an unkown escape wchar_tcter, break out of here so we don't
* print it. */
break; /* TODO: Fix me! */
}
#if 0
/* Scroll the clients typing window down. */
case KEY_DOWN:
client_current_line ++;
if(client_current_line*MAX_COLUMNS > wcslen(client_buffer)) client_current_line --;
wclear(client_chat_window);
wprintw(client_chat_window, &client_buffer[client_current_line*MAX_COLUMNS]);
break;
/* Scroll the clients typing window up. */
case KEY_UP:
client_current_line --;
if(client_current_line < 0) client_current_line = 0;
wclear(client_chat_window);
wprintw(client_chat_window, &client_buffer[client_current_line*MAX_COLUMNS]);
break;
#endif
/* Delete the previous chracter. */
case KEY_BACKSPACE:
/* Check if were deleting the last wchar_tacter. */
if( client_cursor_position == wcslen(client_buffer) ) {
client_buffer[ client_cursor_position-1 ] = '\0';
client_cursor_position --;
print_client_chat_buffer();
} else {
/* If were here, that means were NOT deleting the last wchar_tacter. */
int i;
for(i = client_cursor_position-1; i < wcslen(client_buffer); i ++) {
client_buffer[i] = client_buffer[i+1];
}
client_cursor_position --;
print_client_chat_buffer();
}
break;
/* If were here, that means we didn't press any "special" keys so that means were
* trying to write some generic wchar_tacters to our chat window. */
default:
/* Make sure we don't print a control wchar_tacter. */
if(!iscntrl(ch)) {
/* Check if were inserting a wchar_tacter before the end of our client
* typing buffer. */
if( client_cursor_position != wcslen(client_buffer) ) {
/* Move all wchar_tacters in front of the cursor up one. */
int i;
for(i = wcslen(client_buffer)+1; i > client_cursor_position; i --) {
client_buffer[i] = client_buffer[i-1];
}
}
/* Add the wchar_tacter to our buffer. */
client_buffer[ client_cursor_position++ ] = ch;
/* Print our new/updated buffer. */
print_client_chat_buffer();
break;
}
}
}
/* Read from the server. */
/* josh-note
Uncomment this! */
/* read_from_server(client_id); */
refresh_all_windows(is_lurking);
}
log_writeln(" > ... [ending transcript]");
log_writeln(" > ... freeing resources");
free_other_windows();
free(transcript_buffer);
delwin(transcript_window);
delwin(fullscreen_transcript_window);
delwin(client_chat_window);
delwin(status_win);
delwin(info_win);
delwin(im_win);
delwin(deepsix_win);
delwin(yell_win);
endwin();
/* josh-note
This should be uncommented to close down the client socket. */
/* close_client(client_id); */
log_writeln(" > ... closing client log");
log_writeln(" > ... bye bye for now!");
log_close();
return 0;
}
/* layman's scrollable window... */
void show_scroll_win(WINDOW *main_window,
const char *title,
const char *text)
{
int res;
int total_lines = get_line_no(text);
int x, y;
int start_x = 0, start_y = 0;
int text_lines = 0, text_cols = 0;
int total_cols = 0;
int win_cols = 0;
int win_lines = 0;
int i = 0;
WINDOW *win;
WINDOW *pad;
PANEL *panel;
/* find the widest line of msg: */
total_lines = get_line_no(text);
for (i = 0; i < total_lines; i++) {
const char *line = get_line(text, i);
int len = get_line_length(line);
total_cols = max(total_cols, len+2);
}
/* create the pad */
pad = newpad(total_lines+10, total_cols+10);
wattrset(pad, attributes[SCROLLWIN_TEXT]);
fill_window(pad, text);
win_lines = min(total_lines+4, LINES-2);
win_cols = min(total_cols+2, COLS-2);
text_lines = max(win_lines-4, 0);
text_cols = max(win_cols-2, 0);
/* place window in middle of screen */
y = (LINES-win_lines)/2;
x = (COLS-win_cols)/2;
win = newwin(win_lines, win_cols, y, x);
keypad(win, TRUE);
/* show the help in the help window, and show the help panel */
wattrset(win, attributes[SCROLLWIN_BOX]);
box(win, 0, 0);
wattrset(win, attributes[SCROLLWIN_HEADING]);
mvwprintw(win, 0, 3, " %s ", title);
panel = new_panel(win);
/* handle scrolling */
do {
copywin(pad, win, start_y, start_x, 2, 2, text_lines,
text_cols, 0);
print_in_middle(win,
text_lines+2,
0,
text_cols,
"<OK>",
attributes[DIALOG_MENU_FORE]);
wrefresh(win);
res = wgetch(win);
switch (res) {
case KEY_NPAGE:
case ' ':
start_y += text_lines-2;
break;
case KEY_PPAGE:
start_y -= text_lines+2;
break;
case KEY_HOME:
start_y = 0;
break;
case KEY_END:
start_y = total_lines-text_lines;
break;
case KEY_DOWN:
case 'j':
start_y++;
break;
case KEY_UP:
case 'k':
start_y--;
break;
case KEY_LEFT:
case 'h':
start_x--;
break;
case KEY_RIGHT:
case 'l':
start_x++;
break;
}
if (res == 10 || res == 27 || res == 'q'
|| res == KEY_F(F_BACK) || res == KEY_F(F_EXIT)) {
break;
}
if (start_y < 0)
start_y = 0;
if (start_y >= total_lines-text_lines)
start_y = total_lines-text_lines;
if (start_x < 0)
start_x = 0;
if (start_x >= total_cols-text_cols)
start_x = total_cols-text_cols;
} while (res);
del_panel(panel);
delwin(win);
refresh_all_windows(main_window);
}
int dialog_inputbox(WINDOW *main_window,
const char *title, const char *prompt,
const char *init, char *result, int result_len)
{
int prompt_lines = 0;
int prompt_width = 0;
WINDOW *win;
WINDOW *prompt_win;
WINDOW *form_win;
PANEL *panel;
int i, x, y;
int res = -1;
int cursor_position = strlen(init);
/* find the widest line of msg: */
prompt_lines = get_line_no(prompt);
for (i = 0; i < prompt_lines; i++) {
const char *line = get_line(prompt, i);
int len = get_line_length(line);
prompt_width = max(prompt_width, len);
}
if (title)
prompt_width = max(prompt_width, strlen(title));
/* place dialog in middle of screen */
y = (LINES-(prompt_lines+4))/2;
x = (COLS-(prompt_width+4))/2;
strncpy(result, init, result_len);
/* create the windows */
win = newwin(prompt_lines+6, prompt_width+7, y, x);
prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
keypad(form_win, TRUE);
wattrset(form_win, attributes[INPUT_FIELD]);
wattrset(win, attributes[INPUT_BOX]);
box(win, 0, 0);
wattrset(win, attributes[INPUT_HEADING]);
if (title)
mvwprintw(win, 0, 3, "%s", title);
/* print message */
wattrset(prompt_win, attributes[INPUT_TEXT]);
fill_window(prompt_win, prompt);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
mvwprintw(form_win, 0, 0, "%s", result);
/* create panels */
panel = new_panel(win);
/* show the cursor */
curs_set(1);
touchwin(win);
refresh_all_windows(main_window);
while ((res = wgetch(form_win))) {
int len = strlen(result);
switch (res) {
case 10: /* ENTER */
case 27: /* ESCAPE */
case KEY_F(F_HELP):
case KEY_F(F_EXIT):
case KEY_F(F_BACK):
break;
case 127:
case KEY_BACKSPACE:
if (cursor_position > 0) {
memmove(&result[cursor_position-1],
&result[cursor_position],
len-cursor_position+1);
cursor_position--;
}
break;
case KEY_DC:
if (cursor_position >= 0 && cursor_position < len) {
memmove(&result[cursor_position],
&result[cursor_position+1],
len-cursor_position+1);
}
break;
case KEY_UP:
case KEY_RIGHT:
if (cursor_position < len &&
cursor_position < min(result_len, prompt_width))
cursor_position++;
break;
case KEY_DOWN:
case KEY_LEFT:
if (cursor_position > 0)
cursor_position--;
break;
default:
if ((isgraph(res) || isspace(res)) &&
len-2 < result_len) {
/* insert the char at the proper position */
memmove(&result[cursor_position+1],
&result[cursor_position],
len+1);
result[cursor_position] = res;
cursor_position++;
} else {
mvprintw(0, 0, "unknow key: %d\n", res);
}
break;
}
wmove(form_win, 0, 0);
wclrtoeol(form_win);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
mvwprintw(form_win, 0, 0, "%s", result);
wmove(form_win, 0, cursor_position);
touchwin(win);
refresh_all_windows(main_window);
if (res == 10) {
res = 0;
break;
} else if (res == 27 || res == KEY_F(F_BACK) ||
res == KEY_F(F_EXIT)) {
res = KEY_EXIT;
break;
} else if (res == KEY_F(F_HELP)) {
res = 1;
break;
}
}
/* hide the cursor */
curs_set(0);
del_panel(panel);
delwin(prompt_win);
delwin(form_win);
delwin(win);
return res;
}
int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...)
{
va_list ap;
char *btn;
int btns_width = 0;
int msg_lines = 0;
int msg_width = 0;
int total_width;
int win_rows = 0;
WINDOW *win;
WINDOW *msg_win;
WINDOW *menu_win;
MENU *menu;
ITEM *btns[btn_num+1];
int i, x, y;
int res = -1;
va_start(ap, btn_num);
for (i = 0; i < btn_num; i++) {
btn = va_arg(ap, char *);
btns[i] = new_item(btn, "");
btns_width += strlen(btn)+1;
}
va_end(ap);
btns[btn_num] = NULL;
/* find the widest line of msg: */
msg_lines = get_line_no(msg);
for (i = 0; i < msg_lines; i++) {
const char *line = get_line(msg, i);
int len = get_line_length(line);
if (msg_width < len)
msg_width = len;
}
total_width = max(msg_width, btns_width);
/* place dialog in middle of screen */
y = (LINES-(msg_lines+4))/2;
x = (COLS-(total_width+4))/2;
/* create the windows */
if (btn_num > 0)
win_rows = msg_lines+4;
else
win_rows = msg_lines+2;
win = newwin(win_rows, total_width+4, y, x);
keypad(win, TRUE);
menu_win = derwin(win, 1, btns_width, win_rows-2,
1+(total_width+2-btns_width)/2);
menu = new_menu(btns);
msg_win = derwin(win, win_rows-2, msg_width, 1,
1+(total_width+2-msg_width)/2);
set_menu_fore(menu, attributes[DIALOG_MENU_FORE]);
set_menu_back(menu, attributes[DIALOG_MENU_BACK]);
wattrset(win, attributes[DIALOG_BOX]);
box(win, 0, 0);
/* print message */
wattrset(msg_win, attributes[DIALOG_TEXT]);
fill_window(msg_win, msg);
set_menu_win(menu, win);
set_menu_sub(menu, menu_win);
set_menu_format(menu, 1, btn_num);
menu_opts_off(menu, O_SHOWDESC);
menu_opts_off(menu, O_SHOWMATCH);
menu_opts_on(menu, O_ONEVALUE);
menu_opts_on(menu, O_NONCYCLIC);
set_menu_mark(menu, "");
post_menu(menu);
touchwin(win);
refresh_all_windows(main_window);
while ((res = wgetch(win))) {
switch (res) {
case KEY_LEFT:
menu_driver(menu, REQ_LEFT_ITEM);
break;
case KEY_RIGHT:
menu_driver(menu, REQ_RIGHT_ITEM);
break;
case 10: /* ENTER */
case 27: /* ESCAPE */
case ' ':
case KEY_F(F_BACK):
case KEY_F(F_EXIT):
break;
}
touchwin(win);
refresh_all_windows(main_window);
if (res == 10 || res == ' ') {
res = item_index(current_item(menu));
break;
} else if (res == 27 || res == KEY_F(F_BACK) ||
res == KEY_F(F_EXIT)) {
res = KEY_EXIT;
break;
}
}
unpost_menu(menu);
free_menu(menu);
for (i = 0; i < btn_num; i++)
free_item(btns[i]);
delwin(win);
return res;
}
int dialog_inputbox(WINDOW *main_window,
const char *title, const char *prompt,
const char *init, char **resultp, int *result_len)
{
int prompt_lines = 0;
int prompt_width = 0;
WINDOW *win;
WINDOW *prompt_win;
WINDOW *form_win;
PANEL *panel;
int i, x, y;
int res = -1;
int cursor_position = strlen(init);
int cursor_form_win;
char *result = *resultp;
if (strlen(init)+1 > *result_len) {
*result_len = strlen(init)+1;
*resultp = result = realloc(result, *result_len);
}
prompt_lines = get_line_no(prompt);
for (i = 0; i < prompt_lines; i++) {
const char *line = get_line(prompt, i);
int len = get_line_length(line);
prompt_width = max(prompt_width, len);
}
if (title)
prompt_width = max(prompt_width, strlen(title));
y = (LINES-(prompt_lines+4))/2;
x = (COLS-(prompt_width+4))/2;
strncpy(result, init, *result_len);
win = newwin(prompt_lines+6, prompt_width+7, y, x);
prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
keypad(form_win, TRUE);
(void) wattrset(form_win, attributes[INPUT_FIELD]);
(void) wattrset(win, attributes[INPUT_BOX]);
box(win, 0, 0);
(void) wattrset(win, attributes[INPUT_HEADING]);
if (title)
mvwprintw(win, 0, 3, "%s", title);
(void) wattrset(prompt_win, attributes[INPUT_TEXT]);
fill_window(prompt_win, prompt);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
cursor_form_win = min(cursor_position, prompt_width-1);
mvwprintw(form_win, 0, 0, "%s",
result + cursor_position-cursor_form_win);
panel = new_panel(win);
curs_set(1);
touchwin(win);
refresh_all_windows(main_window);
while ((res = wgetch(form_win))) {
int len = strlen(result);
switch (res) {
case 10:
case 27:
case KEY_F(F_HELP):
case KEY_F(F_EXIT):
case KEY_F(F_BACK):
break;
case 127:
case KEY_BACKSPACE:
if (cursor_position > 0) {
memmove(&result[cursor_position-1],
&result[cursor_position],
len-cursor_position+1);
cursor_position--;
cursor_form_win--;
len--;
}
break;
case KEY_DC:
if (cursor_position >= 0 && cursor_position < len) {
memmove(&result[cursor_position],
&result[cursor_position+1],
len-cursor_position+1);
len--;
}
break;
case KEY_UP:
case KEY_RIGHT:
if (cursor_position < len) {
cursor_position++;
cursor_form_win++;
}
break;
case KEY_DOWN:
case KEY_LEFT:
if (cursor_position > 0) {
cursor_position--;
cursor_form_win--;
}
break;
case KEY_HOME:
cursor_position = 0;
cursor_form_win = 0;
break;
case KEY_END:
cursor_position = len;
cursor_form_win = min(cursor_position, prompt_width-1);
break;
default:
if ((isgraph(res) || isspace(res))) {
if (len+2 > *result_len) {
*result_len = len+2;
*resultp = result = realloc(result,
*result_len);
}
memmove(&result[cursor_position+1],
&result[cursor_position],
len-cursor_position+1);
result[cursor_position] = res;
cursor_position++;
cursor_form_win++;
len++;
} else {
mvprintw(0, 0, "unknown key: %d\n", res);
}
break;
}
if (cursor_form_win < 0)
cursor_form_win = 0;
else if (cursor_form_win > prompt_width-1)
cursor_form_win = prompt_width-1;
wmove(form_win, 0, 0);
wclrtoeol(form_win);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
mvwprintw(form_win, 0, 0, "%s",
result + cursor_position-cursor_form_win);
wmove(form_win, 0, cursor_form_win);
touchwin(win);
refresh_all_windows(main_window);
if (res == 10) {
res = 0;
break;
} else if (res == 27 || res == KEY_F(F_BACK) ||
res == KEY_F(F_EXIT)) {
res = KEY_EXIT;
break;
} else if (res == KEY_F(F_HELP)) {
res = 1;
break;
}
}
curs_set(0);
del_panel(panel);
delwin(prompt_win);
delwin(form_win);
delwin(win);
return res;
}
int dialog_inputbox(WINDOW *main_window,
const char *title, const char *prompt,
const char *init, char **resultp, int *result_len)
{
int prompt_lines = 0;
int prompt_width = 0;
WINDOW *win;
WINDOW *prompt_win;
WINDOW *form_win;
PANEL *panel;
int i, x, y, lines, columns, win_lines, win_cols;
int res = -1;
int cursor_position = strlen(init);
int cursor_form_win;
char *result = *resultp;
getmaxyx(stdscr, lines, columns);
if (strlen(init)+1 > *result_len) {
*result_len = strlen(init)+1;
*resultp = result = realloc(result, *result_len);
}
/* find the widest line of msg: */
prompt_lines = get_line_no(prompt);
for (i = 0; i < prompt_lines; i++) {
const char *line = get_line(prompt, i);
int len = get_line_length(line);
prompt_width = max(prompt_width, len);
}
if (title)
prompt_width = max(prompt_width, strlen(title));
win_lines = min(prompt_lines+6, lines-2);
win_cols = min(prompt_width+7, columns-2);
prompt_lines = max(win_lines-6, 0);
prompt_width = max(win_cols-7, 0);
/* place dialog in middle of screen */
y = (lines-win_lines)/2;
x = (columns-win_cols)/2;
strncpy(result, init, *result_len);
/* create the windows */
win = newwin(win_lines, win_cols, y, x);
prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
keypad(form_win, TRUE);
(void) wattrset(form_win, attributes[INPUT_FIELD]);
(void) wattrset(win, attributes[INPUT_BOX]);
box(win, 0, 0);
(void) wattrset(win, attributes[INPUT_HEADING]);
if (title)
mvwprintw(win, 0, 3, "%s", title);
/* print message */
(void) wattrset(prompt_win, attributes[INPUT_TEXT]);
fill_window(prompt_win, prompt);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
cursor_form_win = min(cursor_position, prompt_width-1);
mvwprintw(form_win, 0, 0, "%s",
result + cursor_position-cursor_form_win);
/* create panels */
panel = new_panel(win);
/* show the cursor */
curs_set(1);
touchwin(win);
refresh_all_windows(main_window);
while ((res = wgetch(form_win))) {
int len = strlen(result);
switch (res) {
case 10: /* ENTER */
case 27: /* ESCAPE */
case KEY_F(F_HELP):
case KEY_F(F_EXIT):
case KEY_F(F_BACK):
break;
case 127:
case KEY_BACKSPACE:
if (cursor_position > 0) {
memmove(&result[cursor_position-1],
&result[cursor_position],
len-cursor_position+1);
cursor_position--;
cursor_form_win--;
len--;
}
break;
case KEY_DC:
if (cursor_position >= 0 && cursor_position < len) {
memmove(&result[cursor_position],
&result[cursor_position+1],
len-cursor_position+1);
len--;
}
break;
case KEY_UP:
case KEY_RIGHT:
if (cursor_position < len) {
cursor_position++;
cursor_form_win++;
}
break;
case KEY_DOWN:
case KEY_LEFT:
if (cursor_position > 0) {
cursor_position--;
cursor_form_win--;
}
break;
case KEY_HOME:
cursor_position = 0;
cursor_form_win = 0;
break;
case KEY_END:
cursor_position = len;
cursor_form_win = min(cursor_position, prompt_width-1);
break;
default:
if ((isgraph(res) || isspace(res))) {
/* one for new char, one for '\0' */
if (len+2 > *result_len) {
*result_len = len+2;
*resultp = result = realloc(result,
*result_len);
}
/* insert the char at the proper position */
memmove(&result[cursor_position+1],
&result[cursor_position],
len-cursor_position+1);
result[cursor_position] = res;
cursor_position++;
cursor_form_win++;
len++;
} else {
mvprintw(0, 0, "unknown key: %d\n", res);
}
break;
}
if (cursor_form_win < 0)
cursor_form_win = 0;
else if (cursor_form_win > prompt_width-1)
cursor_form_win = prompt_width-1;
wmove(form_win, 0, 0);
wclrtoeol(form_win);
mvwprintw(form_win, 0, 0, "%*s", prompt_width, " ");
mvwprintw(form_win, 0, 0, "%s",
result + cursor_position-cursor_form_win);
wmove(form_win, 0, cursor_form_win);
touchwin(win);
refresh_all_windows(main_window);
if (res == 10) {
res = 0;
break;
} else if (res == 27 || res == KEY_F(F_BACK) ||
res == KEY_F(F_EXIT)) {
res = KEY_EXIT;
break;
} else if (res == KEY_F(F_HELP)) {
res = 1;
break;
}
}
/* hide the cursor */
curs_set(0);
del_panel(panel);
delwin(prompt_win);
delwin(form_win);
delwin(win);
return res;
}
