C programming/ncurses - Revision history

Heth at 10:36, 7 June 2020

2020-06-07T10:36:25Z

Heth at 09:06, 28 May 2020

2020-05-28T09:06:32Z

Heth at 08:52, 28 May 2020

2020-05-28T08:52:53Z

Heth at 08:49, 28 May 2020

2020-05-28T08:49:47Z

Heth: Created page with "=Ncurses window example= from [https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/windows.html#LETBEWINDOW tldp Ncurses programming. compile with: ''' gcc -lncurses filename.c..."

2020-05-28T08:49:26Z

Created page with "=Ncurses window example= *from [https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/windows.html#LETBEWINDOW tldp Ncurses programming. *compile with: ''' gcc -lncurses filename.c..."

New page

=Ncurses window example=
*from [https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/windows.html#LETBEWINDOW tldp Ncurses programming.
*compile with: ''' gcc -lncurses filename.c -o filename'''
<source lang=c>

#include <ncurses.h>

WINDOW *create_newwin(int height, int width, int starty, int startx);
void destroy_win(WINDOW *local_win);

int main(int argc, char *argv[])
{ WINDOW *my_win;
int startx, starty, width, height;
int ch;

initscr(); /* Start curses mode */
cbreak(); /* Line buffering disabled, Pass on
* everty thing to me */
keypad(stdscr, TRUE); /* I need that nifty F1 */

height = 3;
width = 10;
starty = (LINES - height) / 2; /* Calculating for a center placement */
startx = (COLS - width) / 2; /* of the window */
printw("Press F1 to exit");
refresh();
my_win = create_newwin(height, width, starty, startx);

while((ch = getch()) != KEY_F(1))
{ switch(ch)
{ case KEY_LEFT:
destroy_win(my_win);
my_win = create_newwin(height, width, starty,--startx);
break;
case KEY_RIGHT:
destroy_win(my_win);
my_win = create_newwin(height, width, starty,++startx);
break;
case KEY_UP:
destroy_win(my_win);
my_win = create_newwin(height, width, --starty,startx);
break;
case KEY_DOWN:
destroy_win(my_win);
my_win = create_newwin(height, width, ++starty,startx);
break;
}
}

endwin(); /* End curses mode */
return 0;
}

WINDOW *create_newwin(int height, int width, int starty, int startx)
{ WINDOW *local_win;

local_win = newwin(height, width, starty, startx);
box(local_win, 0 , 0); /* 0, 0 gives default characters
* for the vertical and horizontal
* lines */
wrefresh(local_win); /* Show that box */

return local_win;
}

void destroy_win(WINDOW *local_win)
{
/* box(local_win, ' ', ' '); : This won't produce the desired
* result of erasing the window. It will leave it's four corners
* and so an ugly remnant of window.
*/
wborder(local_win, ' ', ' ', ' ',' ',' ',' ',' ',' ');
/* The parameters taken are
* 1. win: the window on which to operate
* 2. ls: character to be used for the left side of the window
* 3. rs: character to be used for the right side of the window
* 4. ts: character to be used for the top side of the window
* 5. bs: character to be used for the bottom side of the window
* 6. tl: character to be used for the top left corner of the window
* 7. tr: character to be used for the top right corner of the window
* 8. bl: character to be used for the bottom left corner of the window
* 9. br: character to be used for the bottom right corner of the window
*/
wrefresh(local_win);
delwin(local_win);
}
</source>
[[category: c]

← Older revision		Revision as of 09:06, 28 May 2020
Line 1:		Line 1:
		+	Ncurses er ASC-II skærmstyrings bibliotek til Linux, der blandt andet kan anvendes til at lave vinduer i et ASC-II miljø.
		+	*Officiel hjemmeside: https://invisible-island.net/ncurses/
	=Ncurses window example=		=Ncurses window example=
	*from [https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/windows.html#LETBEWINDOW tldp Ncurses programming]		*from [https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/windows.html#LETBEWINDOW tldp Ncurses programming]

@@ Line 3: / Line 3: @@
 =Ncurses window example=
 *from [https://tldp.org/HOWTO/NCURSES-Programming-HOWTO/windows.html#LETBEWINDOW tldp Ncurses programming]
-*compile with: ''' gcc -lncurses filename.c -o filename'''
+*compile with: ''' gcc filename.c -o filename  -lncurses '''
 <source lang=c>