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#include <string.h>
#include <ncurses.h>
#include "text-window.h"
void window::init_window() {
initscr(); cbreak(); noecho(); nonl(); intrflush(stdscr, FALSE);
keypad(stdscr, TRUE);
}
void window::end_window() {
endwin();
}
void window::putsyx(int line, int col, char *txt)
{
int x=0,y=0;
getsyx(x,y);
move(line,col);
addstr((char *)txt);
move(x,y);
refresh();
doupdate();
}
void window::outputline(int line, char *txt) {
int x=0,y=0;
getsyx(x,y);
move(line,0); clrtoeol();
addstr((char *)txt);
move(x,y);
refresh();
doupdate();
}
void window::initline(char **buffer) {
*buffer=new char[width+1];
bzero(*buffer,width+1);
}
void window::set_cursor() { set_cursor(cur_line, cur_col); }
void window::set_cursor(int line, int column) {
if(have_cursor) {
move(ypos+line, column);
refresh();
doupdate();
}
}
void window::paint_char(int line, int column) {
int x=0,y=0;
if(!have_cursor) getsyx(y,x);
move(ypos+line, column);
if(buffer[line]) addch((unsigned char)buffer[line][column]);
if(!have_cursor) move(y,x);
refresh();
doupdate();
}
void window::paint_line(int line) {
int x=0,y=0;
if(!have_cursor) getsyx(y,x);
move(ypos+line, 0);
clrtoeol();
if(buffer[line]) addstr((char *)buffer[line]);
move(ypos+cur_line, cur_col);
if(!have_cursor) move(y,x);
refresh();
doupdate();
}
void window::paint_all() {
int x=0,y=0;
if(!have_cursor) getsyx(y,x);
move(ypos, 0);
for(int i=0; i<height; i++) {
clrtoeol();
if(buffer[i]) addstr((char *)buffer[i]);
addch('\n');
}
move(ypos+cur_line, cur_col);
if(!have_cursor) move(y,x);
refresh();
doupdate();
}
window::window(int top, int h, int w, int c) {
cur_line=cur_col=0;
height=h; width=w; buffer=new char *[h]; ypos=top;
for(int i=0; i<h; i++) buffer[i]=(char *)0;
have_cursor=c;
if(have_cursor) {
move(ypos+cur_line, cur_col);
refresh(); doupdate();
}
}
void window::put_char(char c) {
int lin=cur_line,col=cur_col;
if(!buffer[cur_line]) initline(buffer+cur_line);
if(c=='\n'||c=='\r')
new_line();
else if(c=='\b') {
if(cur_col==0) return;
cur_col--;
buffer[cur_line][cur_col]=' ';
paint_char(cur_line, cur_col); set_cursor(cur_line,cur_col);
}
else {
buffer[cur_line][cur_col]=c;
cur_col++;
if(cur_col>=width-1) {
if( new_line() ) return; /* ==1, falls redraw */
}
paint_char(lin,col); /* draw char */
}
}
void window::put_string(char *s) {
if(!buffer[cur_line]) initline(buffer+cur_line);
while(*s) {put_char(*s);s++;};
}
void window::clear_line(int n) {
if(n<0 || n>=height) return;
if(buffer[n]) bzero(buffer[n],width+1);
cur_line=n; cur_col=0;
paint_line(n); /* redraw line */
}
void window::put_line(char *l) {
put_line(cur_line, l); new_line();
}
void window::put_line(int n, char *l) {
if(n<0 || n>=height) return;
if(!buffer[n]) initline(buffer+n);
strncpy(buffer[n], (char *)l, width);
paint_line(n);
}
void window::clear_all() {
for(int i=0; i<height; i++) {
if(buffer[i]) bzero(buffer[i],width+1);
}
cur_line=cur_col=0;
paint_all();
}
int window::new_line() {
cur_col=0; cur_line++;
if(cur_line>=height) {
int i;
delete buffer[0];
for(i=0; i<height-1; i++)
buffer[i]=buffer[i+1];
buffer[i]=(char *)NULL;
cur_line--;
paint_all(); /* redraw window */
return 1;
}
set_cursor(cur_line, cur_col);
return 0;
}
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