C pointer principle (59)-Ncurses-text terminal graphics

Keyboard Management

Let's create a simple single-Screen Editor.

All contents of the good AI Park blog is original, if reproduced please indicate the source http://blog.csdn.net/myhaspl/

First, construct an editor with only the input function, and use wgetch to capture the input.

# Include

# Include

# Include

Int main (int argc, char * argv [])

{

Setlocale (LC_ALL ,"");

Initscr ();

Clear ();

Noecho ();

Cbreak ();

If (has_colors () = FALSE)

{

Endwin ();

Printf ("your terminal does not support color! \ N ");

Return (1 );

}

Start_color ();/* Start the color mechanism */

Init_pair (1, COLOR_GREEN, COLOR_BLACK );

WINDOW * win1;

Int width = COLS-14;

Int height = LINES-14;

Int x, y;

Win1 = newwin (height, width, 7,7); // new window (row, column, begin_y, begin_x)

Keypad (win1, TRUE );

Box (win1, ACS_VLINE, ACS_HLINE );

Wattron (win1, COLOR_PAIR (1 ));

Wrefresh (win1 );

Getyx (win1, y, x );

++ Y; ++ x;

While (1 ){

Int c = mvwgetch (win1, y, x );

++ X;

If (x> = width-1 ){

++ Y;

X = 1;

}

If (y> = height-1 ){

Y = 1;

}

Mvwprintw (win1, y, x, "% c", c );

Wrefresh (win1 );

}

Wattroff (win1, COLOR_PAIR (1 ));

Endwin ();

Return 0;

}

Run

Dp @ dp :~ /Cursestest % gcc-lncursesw a. c-o mytest

Dp @ dp :~ /Cursestest %./mytest

All contents of the good AI Park blog is original, if reproduced please indicate the source http://blog.csdn.net/myhaspl/

Vc/yvPy1xNans9ajrNLGtq + 3vc/yvPyjrL/mixer + ezwvcD4KPHA + c2V0bG9jYWxlKExDX0FMTCw = "");

Initscr ();

Clear ();

Noecho ();

Cbreak ();

If (has_colors () = FALSE)

{

Endwin ();

Printf ("your terminal does not support color! \ N ");

Return (1 );

}

Start_color ();/* Start the color mechanism */

Mvprintw (5, COLS/2-10, "simple Editor-limited to single screen editing ");

Refresh ();

Init_pair (1, COLOR_GREEN, COLOR_BLACK );

WINDOW * win1;

Int width = COLS-14;

Int height = LINES-14;

Int x, y;

Win1 = newwin (height, width, 7,7); // new window (row, column, begin_y, begin_x)

Keypad (win1, TRUE );

Box (win1, ACS_VLINE, ACS_HLINE );

Wattron (win1, COLOR_PAIR (1 ));

Wrefresh (win1 );

Getyx (win1, y, x );

++ Y; ++ x;

While (1 ){

Int c = mvwgetch (win1, y, x );

Switch (c)

{

Case KEY_RIGHT:

++ X;

If (x> = width-1 ){

++ Y;

X = 1;

}

Break;

Case KEY_LEFT:

-- X;

If (x <1 ){

-- Y;

X = width-2;

}

Break;

Case KEY_UP:

-- Y;

If (y <1 ){

Y = height-2;

}

Break;

Case KEY_DOWN:

++ Y;

If (y> = height-1 ){

Y = 1;

}

Break;

Default:

Mvwprintw (win1, y, x, "% c", c );

++ X;

If (x> = width-1 ){

++ Y;

X = 1;

}

If (y> = height-1 ){

Y = 1;

}

Wrefresh (win1 );

}

}

Wattroff (win1, COLOR_PAIR (1 ));

Endwin ();

Return 0;

}

Dp @ dp :~ /Cursestest % gcc-lncursesw a. c-o mytest

Dp @ dp :~ /Cursestest %./mytest