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Support mac, duplicate stdin/stdout to make piping possible.

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This commit is contained in:
Jari Vetoniemi 2014-04-11 23:09:01 +03:00
parent 48cf42f0c9
commit c82ebb768c
1 changed files with 34 additions and 5 deletions
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39
lib/draw/curses.c
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@ -8,6 +8,21 @@
#include <dlfcn.h>
#include <signal.h>
#include <assert.h>
#include <unistd.h>
#if _WIN32
static const char *TTY = "CON";
#else
static const char *TTY = "/dev/tty";
#endif
#if __APPLE__
const char *DL_PATH = "libncurses.5.dylib";
#elif _WIN32
# error FIXME: Compile with windows... or use relative path?
#else
const char *DL_PATH = "libncursesw.so.5";
#endif
/* ncurses.h likes to define stuff for us.
* This unforunately mangles with our struct. */
@ -45,6 +60,8 @@ static struct curses {
int (*getmaxy)(WINDOW *win);
int (*keypad)(WINDOW *win, bool bf);
int *ESCDELAY;
int oldStdin;
int oldStdout;
} curses;
static int _bmDrawCursesResizeBuffer(char **buffer, size_t osize, size_t nsize)
@ -127,8 +144,14 @@ static void _bmDrawCursesDrawLine(int pair, int y, const char *format, ...)
static void _bmDrawCursesRender(const bmMenu *menu)
{
if (!curses.stdscr) {
freopen("/dev/tty", "r", stdin);
curses.oldStdin = dup(STDIN_FILENO);
curses.oldStdout = dup(STDOUT_FILENO);
freopen(TTY, "w", stdout);
freopen(TTY, "r", stdin);
setlocale(LC_CTYPE, "");
if ((curses.stdscr = curses.initscr()) == NULL)
return;
@ -169,14 +192,22 @@ static void _bmDrawCursesRender(const bmMenu *menu)
static void _bmDrawCursesEndWin(void)
{
freopen(TTY, "w", stdout);
if (curses.refresh)
curses.refresh();
if (curses.endwin)
curses.endwin();
if (curses.stdscr) {
dup2(curses.oldStdin, STDIN_FILENO);
dup2(curses.oldStdout, STDOUT_FILENO);
close(curses.oldStdin);
close(curses.oldStdout);
}
curses.stdscr = NULL;
freopen("/dev/tty", "w", stdout);
}
static bmKey _bmDrawCursesGetKey(unsigned int *unicode)
@ -278,9 +309,7 @@ static void _bmDrawCursesCrashHandler(int sig)
int _bmDrawCursesInit(struct _bmRenderApi *api)
{
memset(&curses, 0, sizeof(curses));
/* FIXME: hardcoded and not cross-platform */
curses.handle = dlopen("/usr/lib/libncursesw.so.5", RTLD_LAZY);
curses.handle = dlopen(DL_PATH, RTLD_LAZY);
if (!curses.handle)
return 0;