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[ruby/io-console] Added IO#check_winsize_changed on Windows

Browse source 
https://github.com/ruby/io-console/commit/ee648fa8bb
This commit is contained in:
Nobuyoshi Nakada 2019-09-10 01:04:47 +09:00
parent 74790e2dc4
commit 3678c37119
Notes: git 2019-09-10 08:18:28 +09:00
1 changed files with 25 additions and 0 deletions
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25
ext/io/console/console.c
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@ -671,6 +671,30 @@ console_set_winsize(VALUE io, VALUE size)
} }
#endif #endif
#ifdef _WIN32
static VALUE
console_check_winsize_changed(VALUE io)
{
rb_io_t *fptr;
HANDLE h;
DWORD num;
GetOpenFile(io, fptr);
h = (HANDLE)rb_w32_get_osfhandle(GetReadFD(fptr));
while (GetNumberOfConsoleInputEvents(h, &num) && num > 0) {
INPUT_RECORD rec;
if (ReadConsoleInput(h, &rec, 1, &num)) {
if (rec.EventType == WINDOW_BUFFER_SIZE_EVENT) {
rb_yield(Qnil);
}
}
}
return io;
}
#else
#define console_check_winsize_changed rb_f_notimplement
#endif
/* /*
* call-seq: * call-seq:
* io.iflush * io.iflush
@ -1394,6 +1418,7 @@ InitVM_console(void)
rb_define_method(rb_cIO, "scroll_backward", console_scroll_backward, 1); rb_define_method(rb_cIO, "scroll_backward", console_scroll_backward, 1);
rb_define_method(rb_cIO, "clear_screen", console_clear_screen, 0); rb_define_method(rb_cIO, "clear_screen", console_clear_screen, 0);
rb_define_method(rb_cIO, "pressed?", console_key_pressed_p, 1); rb_define_method(rb_cIO, "pressed?", console_key_pressed_p, 1);
rb_define_method(rb_cIO, "check_winsize_changed", console_check_winsize_changed, 0);
#if ENABLE_IO_GETPASS #if ENABLE_IO_GETPASS
rb_define_method(rb_cIO, "getpass", console_getpass, -1); rb_define_method(rb_cIO, "getpass", console_getpass, -1);
#endif #endif