/* sv_console.c ncurses console for the server Copyright (C) 2001 Bill Currie Author: Bill Currie Date: 2001/7/10 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif static __attribute__ ((used)) const char rcsid[] = "$Id$"; #ifdef HAVE_CURSES_H # include #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #ifdef HAVE_UNISTD_H # include #endif #ifdef HAVE_SYS_IOCTL_H # include #endif #ifdef HAVE_TERMIOS_H # include #endif #include #include #include "QF/cbuf.h" #include "QF/cmd.h" #include "QF/console.h" #include "QF/cvar.h" #include "QF/dstring.h" #include "QF/keys.h" #include "QF/plugin.h" #include "QF/qtypes.h" #include "QF/quakefs.h" #include "QF/sys.h" #include "QF/va.h" #include "QF/view.h" #include "compat.h" static console_data_t sv_con_data; static QFile *log_file; static cvar_t *sv_logfile; static cvar_t *sv_conmode; static void C_KeyEvent (knum_t key, short unicode, qboolean down); #ifdef HAVE_CURSES_H typedef struct sv_view_s { WINDOW *win; void *obj; void (*draw) (view_t *view); void (*setgeometry) (view_t *view); } sv_view_t; enum { sv_resize_x = 1, sv_resize_y = 2, sv_scroll = 4, sv_cursor = 8, }; static int use_curses = 1; static view_t *output; static view_t *status; static view_t *input; static int screen_x, screen_y; static int interrupted; #define MAXCMDLINE 256 #define BUFFER_SIZE 32768 #define MAX_LINES 1024 static int view_offset; static chtype attr_table[4] = { A_NORMAL, COLOR_PAIR(1), COLOR_PAIR(2), COLOR_PAIR(3), }; static const byte attr_map[256] = { 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 0, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0, 3, 3, 0, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, }; static inline void draw_fun_char (WINDOW *win, byte c) { chtype ch = c; ch = sys_char_map[ch] | attr_table[attr_map[ch]]; waddch (win, ch); } static inline void sv_refresh (view_t *view) { sv_view_t *sv_view = view->data; wnoutrefresh (sv_view->win); } static inline int sv_getch (view_t *view) { sv_view_t *sv_view = view->data; return wgetch (sv_view->win); } static inline void sv_draw (view_t *view) { sv_view_t *sv_view = view->data; if (sv_view->draw) sv_view->draw (view); wnoutrefresh (sv_view->win); } static inline void sv_setgeometry (view_t *view) { sv_view_t *sv_view = view->data; WINDOW *win = sv_view->win; wresize (win, view->ylen, view->xlen); mvwin (win, view->yabs, view->xabs); if (sv_view->setgeometry) sv_view->setgeometry (view); } static void draw_output (view_t *view) { sv_view_t *sv_view = view->data; WINDOW *win = sv_view->win; con_buffer_t *output_buffer = sv_view->obj; // this is not the most efficient way to update the screen, but oh well int lines = view->ylen - 1; // leave a blank line int width = view->xlen; int cur_line = output_buffer->cur_line + view_offset; int i, y; if (lines < 1) return; for (y = i = 0; y < lines; i++, y++) { con_line_t *l = Con_BufferLine (output_buffer, cur_line - i); if (!l->text) { i--; break; } y += l->len / width; // really dumb line wrap algo :) } cur_line -= i; y -= lines; wclear (win); wmove (win, 0, 0); do { con_line_t *l = Con_BufferLine (output_buffer, cur_line++); byte *text = l->text; int len = l->len; if (y > 0) { text += y * width; len -= y * width; y = 0; if (len < 1) { len = 1; text = l->text + l->len - 1; } } while (len--) draw_fun_char (win, *text++); } while (cur_line < output_buffer->cur_line + view_offset); } static void draw_status (view_t *view) { sv_view_t *sv_view = view->data; wbkgdset (sv_view->win, COLOR_PAIR(4)); wclear (sv_view->win); } static void draw_input_line (inputline_t *il) { view_t *view = il->user_data; sv_view_t *sv_view = view->data; WINDOW *win = sv_view->win; size_t i; const char *text; text = il->lines[il->edit_line] + il->scroll; wmove (win, 0, 0); if (il->scroll) { waddch (win, '<' | COLOR_PAIR (5)); text++; } else { waddch (win, *text++); } for (i = 0; i < il->width - 2 && *text; i++) { chtype ch = (byte)*text++; ch = sys_char_map[ch] | attr_table[attr_map[ch]]; waddch (win, ch); } while (i++ < il->width - 2) { waddch (win, ' '); } if (*text) { waddch (win, '>' | COLOR_PAIR (5)); } else { waddch (win, ' '); } wmove (win, 0, il->linepos - il->scroll); } static void draw_input (view_t *view) { sv_view_t *sv_view = view->data; draw_input_line (sv_view->obj); } static void setgeometry_input (view_t *view) { sv_view_t *sv_view = view->data; inputline_t *il = sv_view->obj; il->width = view->xlen; } static void sigwinch (int sig) { interrupted = 1; signal (SIGWINCH, sigwinch); } static void process_input (void) { int ch; int escape = 0; if (interrupted) { struct winsize size; interrupted = 0; if (ioctl (fileno (stdout), TIOCGWINSZ, &size) == 0) { resizeterm (size.ws_row, size.ws_col); getmaxyx (stdscr, screen_y, screen_x); con_linewidth = screen_x; view_resize (sv_con_data.view, screen_x, screen_y); view_draw (sv_con_data.view); } } for (ch = 1; ch; ) { ch = sv_getch (input); if (ch == ERR) escape = 0; if (escape) { switch (escape) { case 1: if (ch == '[') { escape = 2; continue; } break; case 2: switch (ch) { case '1': escape = 3; continue; case '4': escape = 4; continue; default: escape = 0; break; } break; case 3: if (ch == '~') ch = KEY_HOME; escape = 0; break; case 4: if (ch == '~') ch = KEY_END; escape = 0; break; } } switch (ch) { case '\033': escape = 1; continue; case KEY_ENTER: case '\n': case '\r': ch = QFK_RETURN; break; case '\t': ch = QFK_TAB; break; case KEY_BACKSPACE: case '\b': ch = QFK_BACKSPACE; break; case KEY_DC: ch = QFK_DELETE; break; case KEY_RIGHT: ch = QFK_RIGHT; break; case KEY_LEFT: ch = QFK_LEFT; break; case KEY_UP: ch = QFK_UP; break; case KEY_DOWN: ch = QFK_DOWN; break; case KEY_HOME: ch = QFK_HOME; break; case KEY_END: ch = QFK_END; break; case KEY_NPAGE: ch = QFK_PAGEDOWN; break; case KEY_PPAGE: ch = QFK_PAGEUP; break; default: if (ch < 0 || ch >= 256) ch = 0; } C_KeyEvent (ch, 0, 1); } doupdate (); } static void key_event (knum_t key, short unicode, qboolean down) { int ovf = view_offset; sv_view_t *sv_view; con_buffer_t *buffer; switch (key) { case QFK_PAGEUP: view_offset -= 10; sv_view = output->data; buffer = sv_view->obj; if (view_offset <= -(buffer->num_lines - (screen_y - 3))) view_offset = -(buffer->num_lines - (screen_y - 3)) + 1; if (ovf != view_offset) sv_draw (output); break; case QFK_PAGEDOWN: view_offset += 10; if (view_offset > 0) view_offset = 0; if (ovf != view_offset) sv_draw (output); break; case '\f': sv_draw (output); break; default: sv_view = input->data; Con_ProcessInputLine (sv_view->obj, key); break; } } static void print (char *txt) { sv_view_t *sv_view = output->data; Con_BufferAddText (sv_view->obj, txt); if (!view_offset) { while (*txt) draw_fun_char (sv_view->win, (byte) *txt++); sv_refresh (output); // move the cursor back to the input line sv_refresh (input); doupdate (); } } static view_t * create_window (view_t *parent, int xpos, int ypos, int xlen, int ylen, grav_t grav, void *obj, int opts, void (*draw) (view_t *), void (*setgeometry) (view_t *)) { view_t *view; sv_view_t *sv_view; sv_view = calloc (1, sizeof (sv_view_t)); sv_view->obj = obj; sv_view->win = newwin (ylen, xlen, 0, 0); // will get moved when added scrollok (sv_view->win, (opts & sv_scroll) ? TRUE : FALSE); leaveok (sv_view->win, (opts & sv_cursor) ? FALSE : TRUE); nodelay (sv_view->win, TRUE); keypad (sv_view->win, TRUE); sv_view->draw = draw; sv_view->setgeometry = setgeometry; view = view_new (xpos, ypos, xlen, ylen, grav); view->data = sv_view; view->draw = sv_draw; view->setgeometry = sv_setgeometry; view->resize_x = (opts & sv_resize_x) != 0; view->resize_y = (opts & sv_resize_y) != 0; view_add (parent, view); return view; } static inputline_t * create_input_line (int width) { inputline_t *input_line; input_line = Con_CreateInputLine (16, MAXCMDLINE, ']'); input_line->complete = Con_BasicCompleteCommandLine; input_line->enter = Con_ExecLine; input_line->user_data = input; input_line->draw = draw_input_line; input_line->width = width; return input_line; } static void init (void) { signal (SIGWINCH, sigwinch); initscr (); start_color (); cbreak (); noecho (); nonl (); intrflush (stdscr, FALSE); getmaxyx (stdscr, screen_y, screen_x); sv_con_data.view = view_new (0, 0, screen_x, screen_y, grav_northwest); output = create_window (sv_con_data.view, 0, 0, screen_x, screen_y - 2, grav_northwest, Con_CreateBuffer (BUFFER_SIZE, MAX_LINES), sv_resize_x | sv_resize_y | sv_scroll, draw_output, 0); status = create_window (sv_con_data.view, 0, 1, screen_x, 1, grav_southwest, 0, sv_resize_x | sv_scroll, draw_status, 0); input = create_window (sv_con_data.view, 0, 0, screen_x, 1, grav_southwest, create_input_line (screen_x), sv_resize_x | sv_cursor, draw_input, setgeometry_input); ((inputline_t *) ((sv_view_t *) input->data)->obj)->user_data = input; init_pair (1, COLOR_YELLOW, COLOR_BLACK); init_pair (2, COLOR_GREEN, COLOR_BLACK); init_pair (3, COLOR_RED, COLOR_BLACK); init_pair (4, COLOR_YELLOW, COLOR_BLUE); init_pair (5, COLOR_CYAN, COLOR_BLACK); con_linewidth = screen_x; view_draw (sv_con_data.view); doupdate (); } #endif static void sv_logfile_f (cvar_t *var) { if (!var->string[0] || strequal (var->string, "none")) { if (log_file) Qclose (log_file); log_file = 0; } else { char *fname = strdup (var->string); char *flags = strrchr (fname, ':'); if (flags) { *flags++ = 0; flags = nva ("a%s", flags); } else { flags = nva ("a"); } log_file = QFS_Open (fname, flags); free (flags); free (fname); } } static int sv_exec_line_command (void *data, const char *line) { Cbuf_AddText (sv_con_data.cbuf, line); Cbuf_AddText (sv_con_data.cbuf, "\n"); return 1; } static int sv_exec_line_chat (void *data, const char *line) { Cbuf_AddText (sv_con_data.cbuf, "say "); Cbuf_AddText (sv_con_data.cbuf, line); Cbuf_AddText (sv_con_data.cbuf, "\n"); return 0; } static void sv_conmode_f (cvar_t *var) { if (!strcmp (var->string, "command")) { sv_con_data.exec_line = sv_exec_line_command; } else if (!strcmp (var->string, "chat")) { sv_con_data.exec_line = sv_exec_line_chat; } else { Con_Printf ("mode must be one of \"command\" or \"chat\"\n"); Con_Printf (" forcing \"command\"\n"); Cvar_Set (var, "command"); } } static void C_Init (void) { #ifdef HAVE_CURSES_H cvar_t *curses = Cvar_Get ("sv_use_curses", "0", CVAR_ROM, NULL, "Set to 1 to enable curses server console."); use_curses = curses->int_val; if (use_curses) { init (); } else #endif setvbuf (stdout, 0, _IOLBF, BUFSIZ); sv_logfile = Cvar_Get ("sv_logfile", "none", CVAR_NONE, sv_logfile_f, "Control server console logging. \"none\" for off, " "or \"filename:gzflags\""); sv_conmode = Cvar_Get ("sv_conmode", "command", CVAR_NONE, sv_conmode_f, "Set the console input mode (command, chat)"); } static void C_Shutdown (void) { if (log_file) { Qclose (log_file); log_file = 0; } #ifdef HAVE_CURSES_H if (use_curses) endwin (); #endif } static void C_Print (const char *fmt, va_list args) { static dstring_t *buffer; if (!buffer) buffer = dstring_new (); dvsprintf (buffer, fmt, args); if (log_file) { Qputs (log_file, buffer->str); Qflush (log_file); } #ifdef HAVE_CURSES_H if (use_curses) { print (buffer->str); } else #endif { unsigned char *txt = (unsigned char *) buffer->str; while (*txt) putc (sys_char_map[*txt++], stdout); fflush (stdout); } } static void C_ProcessInput (void) { #ifdef HAVE_CURSES_H if (use_curses) { process_input (); } else #endif while (1) { const char *cmd = Sys_ConsoleInput (); if (!cmd) break; Con_ExecLine (cmd); } } static void C_KeyEvent (knum_t key, short unicode, qboolean down) { #ifdef HAVE_CURSES_H key_event (key, unicode, down); #endif } static void C_DrawConsole (void) { } static void C_CheckResize (void) { } static void C_NewMap (void) { } static general_funcs_t plugin_info_general_funcs = { C_Init, C_Shutdown, }; static general_data_t plugin_info_general_data; static console_funcs_t plugin_info_console_funcs = { C_Print, C_ProcessInput, C_KeyEvent, C_DrawConsole, C_CheckResize, C_NewMap, }; static plugin_funcs_t plugin_info_funcs = { &plugin_info_general_funcs, 0, 0, &plugin_info_console_funcs, }; static plugin_data_t plugin_info_data = { &plugin_info_general_data, 0, 0, &sv_con_data, }; static plugin_t plugin_info = { qfp_console, 0, QFPLUGIN_VERSION, "0.1", "server console driver", "Copyright (C) 1996-1997 id Software, Inc.\n" "Copyright (C) 1999,2000,2001 contributors of the QuakeForge" " project\n" "Please see the file \"AUTHORS\" for a list of contributors", &plugin_info_funcs, &plugin_info_data, }; PLUGIN_INFO(console, server) { return &plugin_info; }