/* 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 */ static const char rcsid[] = "$Id$"; #ifdef HAVE_CONFIG_H # include "config.h" #endif #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/cmd.h" #include "QF/console.h" #include "QF/cvar.h" #include "QF/keys.h" #include "QF/plugin.h" #include "QF/qtypes.h" #include "QF/sys.h" #include "compat.h" #ifdef HAVE_CURSES_H static int use_curses = 1; static WINDOW *output; static WINDOW *status; static WINDOW *input; static int screen_x, screen_y; static int interrupted; #define MAXCMDLINE 256 static inputline_t *input_line; #define BUFFER_SIZE 32768 #define MAX_LINES 1024 static con_buffer_t *output_buffer; 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 void C_ExecLine (const char *line) { if (line[0] == '/') line++; Cbuf_AddText (line); } 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 void C_DrawOutput (void) { // this is not the most efficient way to update the screen, but oh well int lines = screen_y - 3; // leave a blank line int width = screen_x; int cur_line = output_buffer->cur_line; 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 (output); wmove (output, 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 (output, *text++); } while (cur_line < output_buffer->cur_line); //wrefresh (stdscr); wrefresh (output); } static void C_DrawStatus (void) { wbkgdset (status, COLOR_PAIR(4)); wclear (status); wrefresh (status); } static void C_DrawInput (inputline_t *il) { WINDOW *win = (WINDOW *) il->user_data; int 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); wrefresh (win); } static void sigwinch (int sig) { interrupted = 1; signal (SIGWINCH, sigwinch); } #endif static void C_Init (void) { #ifdef HAVE_CURSES_H cvar_t *curses = Cvar_Get ("sv_use_curses", "1", CVAR_ROM, NULL, "set to 0 to disable curses server console"); use_curses = curses->int_val; if (use_curses) { signal (SIGWINCH, sigwinch); initscr (); start_color (); cbreak (); noecho (); nonl (); intrflush (stdscr, FALSE); getmaxyx (stdscr, screen_y, screen_x); output = newwin (screen_y - 2, screen_x, 0, 0); status = newwin (1, screen_x, screen_y - 2, 0); input = newwin (1, screen_x, screen_y - 1, 0); 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); scrollok (output, TRUE); leaveok (output, TRUE); scrollok (status, FALSE); leaveok (status, TRUE); scrollok (input, FALSE); leaveok (input, FALSE); nodelay (input, TRUE); keypad (input, TRUE); wclear (output); wbkgdset (status, COLOR_PAIR(4)); wclear (status); wclear (input); touchwin (stdscr); wrefresh (output); wrefresh (status); wrefresh (input); output_buffer = Con_CreateBuffer (BUFFER_SIZE, MAX_LINES); input_line = Con_CreateInputLine (16, MAXCMDLINE, ']'); input_line->complete = Con_BasicCompleteCommandLine; input_line->enter = C_ExecLine; input_line->width = screen_x; input_line->user_data = input; input_line->draw = C_DrawInput; con_linewidth = screen_x; C_DrawOutput (); C_DrawStatus (); C_DrawInput (input_line); } else #endif setvbuf (stdout, 0, _IOLBF, BUFSIZ); } static void C_Shutdown (void) { #ifdef HAVE_CURSES_H if (use_curses) endwin (); #endif } static void C_Print (const char *fmt, va_list args) { static unsigned char *buffer; unsigned char *txt; int size; static int buffer_size; size = vsnprintf (buffer, buffer_size, fmt, args) + 1; // +1 for nul //printf ("size = %d\n", size); while (size <= 0 || size > buffer_size) { if (size > 0) buffer_size = (size + 1023) & ~1023; // 1k multiples else buffer_size += 1024; buffer = realloc (buffer, buffer_size); if (!buffer) Sys_Error ("console: could not allocate %d bytes\n", buffer_size); size = vsnprintf (buffer, buffer_size, fmt, args); //printf ("size = %d\n", size); } txt = buffer; #ifdef HAVE_CURSES_H if (use_curses) { Con_BufferAddText (output_buffer, buffer); while (*txt) draw_fun_char (output, *txt++); wrefresh (output); wrefresh (input); // move the screen cursor back to the input line } else #endif { while (*txt) putc (sys_char_map[*txt++], stdout); fflush (stdout); } } static void C_ProcessInput (void) { #ifdef HAVE_CURSES_H if (use_curses) { int ch; 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; input_line->width = screen_x; /* while a little ugly, this is needed because ncurses auto * resizing doesn't always do the right thing */ wresize (input, 1, screen_x); mvwin (input, screen_y - 1, 0); wresize (status, 1, screen_x); mvwin (status, screen_y - 2, 0); wresize (output, screen_y - 2, screen_x); mvwin (output, 0, 0); wrefresh (curscr); C_DrawOutput (); C_DrawStatus (); // input gets drawn below in Con_ProcessInputLine } } ch = wgetch (input); switch (ch) { 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; } Con_ProcessInputLine (input_line, ch); } else #endif while (1) { const char *cmd = Sys_ConsoleInput (); if (!cmd) break; Cbuf_AddText (cmd); } } 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, }; static console_data_t plugin_info_console_data; 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, &plugin_info_console_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, }; QFPLUGIN plugin_t * console_server_PluginInfo (void) { return &plugin_info; }