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/*
* Descent 3
* Copyright (C) 2024 Parallax Software
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
--- HISTORICAL COMMENTS FOLLOW ---
* $Logfile: /DescentIII/Main/linux/lnxcon_raw.cpp $
* $Revision: 1.2 $
* $Date: 2004/02/25 00:04:06 $
* $Author: ryan $
*
* stdout console driver
*
* $Log: lnxcon_raw.cpp,v $
* Revision 1.2 2004/02/25 00:04:06 ryan
* Removed loki_utils dependency and ported to MacOS X (runs, but incomplete).
*
* Revision 1.1.1.1 2000/04/18 00:00:39 icculus
* initial checkin
*
*
* 2 7/19/99 12:54p Jeff
* created lnxcon_raw.cpp so ncurses is now only used for SVGALib, cuts
* down on redraw
*
* $NoKeywords: $
*/
#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <cctype>
#include "AppConsole.h"
#include "ddio_common.h"
static char *Con_raw_read_buf = nullptr; // The next buffer of text from user input
static char *Con_raw_inp_buf = nullptr,
Con_raw_inp_pos = 0; // Currently updating input buffer of text (and it's position)
static char Con_raw_last_command[CON_MAX_STRINGLEN]; // The last command entered by the user
static int Con_raw_cols = 0, Con_raw_rows = 0; // The size of the main window (input window is (1 row, Con_cols))
// put some data up on the screen
void con_raw_Puts(int window, const char *str);
bool con_raw_Input(char *buf, int buflen) {
if (!Con_raw_read_buf) { // there is no read buffer...yipes
*buf = '\0';
return false;
}
if (Con_raw_read_buf[0]) {
// we have a new buffer of input...send it away
strncpy(buf, Con_raw_read_buf, buflen - 1);
buf[buflen - 1] = 0;
Con_raw_read_buf[0] = 0;
return true;
}
return false;
}
void con_raw_Defer() {
int keypressed = ddio_KeyInKey();
while (keypressed != 0) {
// we got a key...handle it
switch (keypressed) {
case KEY_LEFT:
case KEY_RIGHT:
case KEY_UP:
case KEY_DELETE:
case KEY_ESC:
break;
case KEY_BACKSP: {
// Move the caret back one space, and then
// process this like the DEL key.
if (Con_raw_inp_pos > 0) {
Con_raw_inp_pos--;
for (int x = Con_raw_inp_pos; x < Con_raw_cols; x++)
Con_raw_inp_buf[x] = Con_raw_inp_buf[x + 1];
con_raw_Puts(-1, "\b \b");
}
} break;
case KEY_ENTER: {
// Go to the beginning of the next line.
// The bottom line wraps around to the top.
strcpy(Con_raw_read_buf, Con_raw_inp_buf);
strcat(Con_raw_inp_buf, "\n");
// go to the next line
con_raw_Puts(-1, "\n");
// only save the buffer if there is text in the buffer
char *p = Con_raw_read_buf;
while (*p) {
if (isalnum(*p)) {
strcpy(Con_raw_last_command, Con_raw_read_buf);
break;
}
p++;
}
memset(Con_raw_inp_buf, 0, Con_raw_cols + 4);
Con_raw_inp_pos = 0;
} break;
default:
if (Con_raw_inp_pos < (Con_raw_cols - 2)) {
// Add the character to the text buffer.
uint8_t str[2];
str[0] = ddio_KeyToAscii(keypressed);
str[1] = 0;
if (str[0] != 255) {
Con_raw_inp_buf[Con_raw_inp_pos] = str[0];
Con_raw_inp_buf[Con_raw_inp_pos + 1] = '\0';
Con_raw_inp_pos++;
con_raw_Puts(-1, (const char *)str);
}
}
}
keypressed = ddio_KeyInKey();
}
}
bool con_raw_Create() {
Con_raw_cols = 80;
Con_raw_rows = 24; // one less, since the bottom window takes up one row
// allocate any memory needed for buffers
Con_raw_inp_buf = (char *)malloc(sizeof(char) * (Con_raw_cols + 4));
Con_raw_read_buf = (char *)malloc(sizeof(char) * (Con_raw_cols + 4));
if (!Con_raw_inp_buf || !Con_raw_read_buf) {
// error allocating memory
return false;
}
memset(Con_raw_inp_buf, 0, sizeof(char) * (Con_raw_cols + 4));
memset(Con_raw_read_buf, 0, sizeof(char) * (Con_raw_cols + 4));
Con_raw_last_command[0] = '\0';
Con_raw_inp_pos = 0;
return true;
}
void con_raw_Destroy() {
// free any allocated memory
if (Con_raw_inp_buf) {
free(Con_raw_inp_buf);
Con_raw_inp_buf = nullptr;
}
if (Con_raw_read_buf) {
free(Con_raw_read_buf);
Con_raw_read_buf = nullptr;
}
Con_raw_cols = Con_raw_rows = 0;
}
// put some data up on the screen
void con_raw_Puts(int window, const char *str) {
fprintf(stdout, str, strlen(str));
fflush(stdout);
}
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