Made get_terminal_size and get_cursor_position more robust.

1 files changed, 8 insertions, 0 deletions

diff --git a/TUI/unix.jai b/TUI/unix.jai
index fb79f86..73a763a 100644
--- a/TUI/unix.jai
+++ b/TUI/unix.jai
@@ -25,6 +25,9 @@
     // https://codebrowser.dev/glibc/glibc/sysdeps/unix/sysv/linux/tcgetattr.c.html
     tcgetattr :: (fd: s32, termios_p: *Terminal_IO_Mode) -> s32 #foreign libc;
 
+    // https://codebrowser.dev/glibc/glibc/sysdeps/unix/sysv/linux/tcflush.c.html
+    tcflush :: (fd: s32, queue_selector: s32) -> s32 #foreign libc;
+
     // Information for the termios.h enums is platform dependent and  was retrieved from:
     // https://elixir.bootlin.com/glibc/latest/source/sysdeps/unix/sysv/linux/bits/termios.h
 
@@ -169,6 +172,11 @@ restore_resize_handler :: () {
 
 #scope_export
 
+OS_flush_input :: inline () {
+    TCIFLUSH    :: 0; // TODO Is this always zero in all systems?
+    tcflush(STDIN_FILENO, TCIFLUSH);
+}
+
 OS_prepare_terminal :: () {
     tcgetattr(STDIN_FILENO, *initial_tio_mode); // TODO Log on error.
     raw_tio_mode = initial_tio_mode;