cursesport.cpp

#if (defined TILES || defined _WIN32 || defined WINDOWS)
#include "catacurse.h"
#include "output.h"
#include "color.h"
#include "catacharset.h"

//***********************************
//Globals                           *
//***********************************

WINDOW *mainwin;
pairs *colorpairs;   //storage for pair'ed colored, should be dynamic, meh
int echoOn;     //1 = getnstr shows input, 0 = doesn't show. needed for echo()-ncurses compatibility.

//***********************************
//Psuedo-Curses Functions           *
//***********************************

//Basic Init, create the font, backbuffer, etc
WINDOW *initscr(void)
{
    return curses_init();
}

WINDOW *newwin(int nlines, int ncols, int begin_y, int begin_x)
{
    if (begin_y < 0 || begin_x < 0) {
        return NULL; //it's the caller's problem now (since they have logging functions declared)
    }

    // default values
    if (ncols == 0)
    {
        ncols = TERMX - begin_x;
    }
    if (nlines == 0)
    {
        nlines = TERMY - begin_y;
    }

    int i,j;
    WINDOW *newwindow = new WINDOW;
    //newwindow=&_windows[WindowCount];
    newwindow->x=begin_x;
    newwindow->y=begin_y;
    newwindow->width=ncols;
    newwindow->height=nlines;
    newwindow->inuse=true;
    newwindow->draw=false;
    newwindow->BG=0;
    newwindow->FG=8;
    newwindow->cursorx=0;
    newwindow->cursory=0;
    newwindow->line = new curseline[nlines];

    for (j=0; j<nlines; j++)
    {
        newwindow->line[j].chars= new char[ncols*4];
        newwindow->line[j].FG= new char[ncols];
        newwindow->line[j].BG= new char[ncols];
        newwindow->line[j].touched=true;//Touch them all !?
        newwindow->line[j].width_in_bytes = ncols;
        for (i=0; i<ncols; i++)
        {
          newwindow->line[j].chars[i]=0;
          newwindow->line[j].chars[i+1]=0;
          newwindow->line[j].chars[i+2]=0;
          newwindow->line[j].chars[i+3]=0;
          newwindow->line[j].FG[i]=0;
          newwindow->line[j].BG[i]=0;
        }
    }
    //WindowCount++;
    return newwindow;
}

//Deletes the window and marks it as free. Clears it just in case.
int delwin(WINDOW *win)
{
    int j;
    win->inuse=false;
    win->draw=false;
    for (j=0; j<win->height; j++){
        delete win->line[j].chars;
        delete win->line[j].FG;
        delete win->line[j].BG;
        }
    delete win->line;
    delete win;
    return 1;
}

inline int newline(WINDOW *win){
    if (win->cursory < win->height - 1){
        win->cursory++;
        win->cursorx=0;
        return 1;
    }
return 0;
}

inline void addedchar(WINDOW *win){
    win->cursorx++;
    win->line[win->cursory].touched=true;
    if (win->cursorx > win->width)
        newline(win);
}


//Borders the window with fancy lines!
int wborder(WINDOW *win, chtype ls, chtype rs, chtype ts, chtype bs, chtype tl, chtype tr, chtype bl, chtype br)
{
/*
ncurses does not do this, and this prevents: wattron(win, c_customBordercolor); wborder(win, ...); wattroff(win, c_customBorderColor);
    wattron(win, c_white);
*/
    int i, j;
    int oldx=win->cursorx;//methods below move the cursor, save the value!
    int oldy=win->cursory;//methods below move the cursor, save the value!
    if (ls>0)
        for (j=1; j<win->height-1; j++)
            mvwaddch(win, j, 0, LINE_XOXO);
    if (rs>0)
        for (j=1; j<win->height-1; j++)
            mvwaddch(win, j, win->width-1, LINE_XOXO);
    if (ts>0)
        for (i=1; i<win->width-1; i++)
            mvwaddch(win, 0, i, LINE_OXOX);
    if (bs>0)
        for (i=1; i<win->width-1; i++)
            mvwaddch(win, win->height-1, i, LINE_OXOX);
    if (tl>0)
        mvwaddch(win,0, 0, LINE_OXXO);
    if (tr>0)
        mvwaddch(win,0, win->width-1, LINE_OOXX);
    if (bl>0)
        mvwaddch(win,win->height-1, 0, LINE_XXOO);
    if (br>0)
        mvwaddch(win,win->height-1, win->width-1, LINE_XOOX);
    //_windows[w].cursorx=oldx;//methods above move the cursor, put it back
    //_windows[w].cursory=oldy;//methods above move the cursor, put it back
    wmove(win,oldy,oldx);
    wattroff(win, c_white);
    return 1;
}

//Refreshes a window, causing it to redraw on top.
int wrefresh(WINDOW *win)
{
    if (win==0) win=mainwin;
    if (win->draw)
        curses_drawwindow(win);
    return 1;
}

//Refreshes window 0 (stdscr), causing it to redraw on top.
int refresh(void)
{
    return wrefresh(mainwin);
}

int getch(void)
{
    return wgetch(mainwin);
}

int wgetch(WINDOW* win)
{
	return curses_getch(win);
}

int mvgetch(int y, int x)
{
    move(y,x);
    return getch();
}

int mvwgetch(WINDOW* win, int y, int x)
{
    move(y, x);
    return wgetch(win);
}

int getnstr(char *str, int size)
{
    int startX = mainwin->cursorx;
    int count = 0;
    char input;
    while(true)
    {
        input = getch();
        // Carriage return, Line feed and End of File terminate the input.
        if( input == '\r' || input == '\n' || input == '\x04' )
        {
            str[count] = '\x00';
            return count;
        }
        else if( input == 127 ) // Backspace, remapped from \x8 in ProcessMessages()
        {
            if( count == 0 )
            continue;
            str[count] = '\x00';
            if(echoOn == 1)
                mvaddch(mainwin->cursory, startX + count, ' ');
            --count;
            if(echoOn == 1)
              move(mainwin->cursory, startX + count);
        }
        else
        {
            if( count >= size - 1 ) // Still need space for trailing 0x00
                continue;
            str[count] = input;
            ++count;
            if(echoOn == 1)
            {
                move(mainwin->cursory, startX + count);
                mvaddch(mainwin->cursory, startX + count, input);
            }
        }
    }
    return count;
}

//The core printing function, prints characters to the array, and sets colors
inline int printstring(WINDOW *win, char *fmt)
{
    int size = strlen(fmt);
	if(size>0)
	{
		int j, i, p=win->cursorx;
		int x = (win->line[win->cursory].width_in_bytes==win->width)?win->cursorx:cursorx_to_position(win->line[win->cursory].chars, win->cursorx, &p);
		
		if(p!=x)//so we start inside a wide character, erase it for good
		{
			const char* ts = win->line[win->cursory].chars+p;
			int len = ANY_LENGTH;
			unsigned tc = UTF8_getch(&ts, &len);
			int tw = mk_wcwidth((wchar_t)tc);
			erease_utf8_by_cw(win->line[win->cursory].chars+p, tw, tw, win->width*4-p-1);
			x = p+tw-1;
		}
		for (j=0; j<size; j++){
			if (!(fmt[j]==10)){//check that this isnt a newline char
				const char* utf8str = fmt+j;
				int len = ANY_LENGTH;
				unsigned ch = UTF8_getch(&utf8str, &len);
				int cw = mk_wcwidth((wchar_t)ch);
				len = ANY_LENGTH-len;
				if(cw<1) cw = 1;
				if(len<1) len = 1;
				if (win->cursorx+cw <= win->width && win->cursory <= win->height - 1) {
					win->line[win->cursory].width_in_bytes += erease_utf8_by_cw(win->line[win->cursory].chars+x, cw, len, win->width*4-x-1);
					for(i=0; i<len; i++)
					{
						win->line[win->cursory].chars[x+i]=fmt[j+i];
					}
					for(i=0; i<cw; i++)
					{
						win->line[win->cursory].FG[win->cursorx]=win->FG;
						win->line[win->cursory].BG[win->cursorx]=win->BG;
						addedchar(win);
					}
					win->line[win->cursory].touched=true;
					j += len-1;
					x+=len;
				} else if (win->cursory <= win->height - 1) {
					// don't write outside the window, but don't abort if there are still lines to write.
					//j += len-1;
					//x+=len;
				} else {
					return 0; //if we try and write anything outside the window, abort completely
				}
			} else {// if the character is a newline, make sure to move down a line
				if (newline(win)==0){
					return 0;
				}
				x = 0;
			}
		}
	}
    win->draw=true;
    return 1;
}

//Prints a formatted string to a window at the current cursor, base function
int wprintw(WINDOW *win, const char *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    char printbuf[2048];
    vsnprintf(printbuf, 2047, fmt, args);
    va_end(args);
    return printstring(win,printbuf);
}

//Prints a formatted string to a window, moves the cursor
int mvwprintw(WINDOW *win, int y, int x, const char *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    char printbuf[2048];
    vsnprintf(printbuf, 2047, fmt, args);
    va_end(args);
    if (wmove(win,y,x)==0) return 0;
    return printstring(win,printbuf);
}

//Prints a formatted string to window 0 (stdscr), moves the cursor
int mvprintw(int y, int x, const char *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    char printbuf[2048];
    vsnprintf(printbuf, 2047, fmt, args);
    va_end(args);
    if (move(y,x)==0) return 0;
    return printstring(mainwin,printbuf);
}

//Prints a formatted string to window 0 (stdscr) at the current cursor
int printw(const char *fmt, ...)
{
    va_list args;
    va_start(args, fmt);
    char printbuf[2078];
    vsnprintf(printbuf, 2047, fmt, args);
    va_end(args);
    return printstring(mainwin,printbuf);
}

//erases a window of all text and attributes
int werase(WINDOW *win)
{
    int j,i;
    for (j=0; j<win->height; j++)
    {
     for (i=0; i<win->width; i++)   {
     win->line[j].chars[i]=0;
     win->line[j].chars[i+1]=0;
     win->line[j].chars[i+2]=0;
     win->line[j].chars[i+3]=0;
     win->line[j].FG[i]=0;
     win->line[j].BG[i]=0;
     }
        win->line[j].touched=true;
        win->line[j].width_in_bytes = win->width;
    }
    win->draw=true;
    wmove(win,0,0);
//    wrefresh(win);
    return 1;
}

//erases window 0 (stdscr) of all text and attributes
int erase(void)
{
    return werase(mainwin);
}

//pairs up a foreground and background color and puts it into the array of pairs
int init_pair(short pair, short f, short b)
{
    colorpairs[pair].FG=f;
    colorpairs[pair].BG=b;
    return 1;
}

//moves the cursor in a window
int wmove(WINDOW *win, int y, int x)
{
    if (x>=win->width)
     {return 0;}//FIXES MAP CRASH -> >= vs > only
    if (y>=win->height)
     {return 0;}// > crashes?
    if (y<0)
     {return 0;}
    if (x<0)
     {return 0;}
    win->cursorx=x;
    win->cursory=y;
    return 1;
}

//Clears windows 0 (stdscr)     I'm not sure if its suppose to do this?
int clear(void)
{
    return wclear(mainwin);
}

//Ends the terminal, destroy everything
int endwin(void)
{
	return curses_destroy();
}

//adds a character to the window
int mvwaddch(WINDOW *win, int y, int x, const chtype ch)
{
   if (wmove(win,y,x)==0) return 0;
   return waddch(win, ch);
}

//clears a window
int wclear(WINDOW *win)
{
    werase(win);
    clearok(win);
    return 1;
}

int clearok(WINDOW *win)
{
    for (int i=0; i<win->y; i++)
    {
        win->line[i].touched = true;
    }
    return 1;
}

//gets the max x of a window (the width)
int getmaxx(WINDOW *win)
{
    if (win==0) return mainwin->width;     //StdScr
    return win->width;
}

//gets the max y of a window (the height)
int getmaxy(WINDOW *win)
{
    if (win==0) return mainwin->height;     //StdScr
    return win->height;
}

//gets the beginning x of a window (the x pos)
int getbegx(WINDOW *win)
{
    if (win==0) return mainwin->x;     //StdScr
    return win->x;
}

//gets the beginning y of a window (the y pos)
int getbegy(WINDOW *win)
{
    if (win==0) return mainwin->y;     //StdScr
    return win->y;
}

int start_color(void)
{
	return curses_start_color();
}

int keypad(WINDOW *faux, bool bf)
{
return 1;
}

int cbreak(void)
{
    return 1;
}
int keypad(int faux, bool bf)
{
    return 1;
}
int curs_set(int visibility)
{
    return 1;
}

int mvaddch(int y, int x, const chtype ch)
{
    return mvwaddch(mainwin,y,x,ch);
}

int wattron(WINDOW *win, int attrs)
{
    bool isBold = !!(attrs & A_BOLD);
    bool isBlink = !!(attrs & A_BLINK);
    int pairNumber = (attrs & A_COLOR) >> 17;
    win->FG=colorpairs[pairNumber].FG;
    win->BG=colorpairs[pairNumber].BG;
    if (isBold) win->FG += 8;
    if (isBlink) win->BG += 8;
    return 1;
}
int wattroff(WINDOW *win, int attrs)
{
     win->FG=8;                                  //reset to white
     win->BG=0;                                  //reset to black
    return 1;
}
int attron(int attrs)
{
    return wattron(mainwin, attrs);
}
int attroff(int attrs)
{
    return wattroff(mainwin,attrs);
}
int waddch(WINDOW *win, const chtype ch)
{
    char charcode;
    charcode=ch;

    switch (ch){        //LINE_NESW  - X for on, O for off
        case LINE_XOXO:   //#define LINE_XOXO 4194424
            charcode=LINE_XOXO_C;
            break;
        case LINE_OXOX:   //#define LINE_OXOX 4194417
            charcode=LINE_OXOX_C;
            break;
        case LINE_XXOO:   //#define LINE_XXOO 4194413
            charcode=LINE_XXOO_C;
            break;
        case LINE_OXXO:   //#define LINE_OXXO 4194412
            charcode=LINE_OXXO_C;
            break;
        case LINE_OOXX:   //#define LINE_OOXX 4194411
            charcode=LINE_OOXX_C;
            break;
        case LINE_XOOX:   //#define LINE_XOOX 4194410
            charcode=LINE_XOOX_C;
            break;
        case LINE_XXOX:   //#define LINE_XXOX 4194422
            charcode=LINE_XXOX_C;
            break;
        case LINE_XXXO:   //#define LINE_XXXO 4194420
            charcode=LINE_XXXO_C;
            break;
        case LINE_XOXX:   //#define LINE_XOXX 4194421
            charcode=LINE_XOXX_C;
            break;
        case LINE_OXXX:   //#define LINE_OXXX 4194423
            charcode=LINE_OXXX_C;
            break;
        case LINE_XXXX:   //#define LINE_XXXX 4194414
            charcode=LINE_XXXX_C;
            break;
        default:
            charcode = (char)ch;
            break;
        }


	int cury=win->cursory;
	int p = win->cursorx;
	int curx=(win->line[cury].width_in_bytes==win->width)?win->cursorx:cursorx_to_position(win->line[cury].chars, win->cursorx, &p);

	if(curx!=p)
	{
		const char* ts = win->line[cury].chars+p;
		int len = ANY_LENGTH;
		unsigned tc = UTF8_getch(&ts, &len);
		int tw = mk_wcwidth((wchar_t)tc);
		win->line[cury].width_in_bytes += erease_utf8_by_cw(win->line[cury].chars+p, tw, tw, win->width*4-p-1);
		curx = p+tw-1;
	}
	else if(win->line[cury].width_in_bytes!=win->width)
	{
		win->line[cury].width_in_bytes += erease_utf8_by_cw(win->line[cury].chars+p, 1, 1, win->width*4-p-1);
	}

//if (win2 > -1){
   win->line[cury].chars[curx]=charcode;
   win->line[cury].FG[win->cursorx]=win->FG;
   win->line[cury].BG[win->cursorx]=win->BG;


    win->draw=true;
    addedchar(win);
    return 1;
  //  else{
  //  win2=win2+1;

}

//Move the cursor of windows 0 (stdscr)
int move(int y, int x)
{
    return wmove(mainwin,y,x);
}

//Set the amount of time getch waits for input
void timeout(int delay)
{
    curses_timeout(delay);
}
void set_escdelay(int delay) { } //PORTABILITY, DUMMY FUNCTION


int echo()
{
    echoOn = 1;
    return 0; // 0 = OK, -1 = ERR
}

int noecho()
{
    echoOn = 0;
    return 0;
}
#endif