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43b00d8a11
* win32/win32.c (constat_attr): manage reverse video internally since Windows console window does not manage it. based on the patch by white leaf in [ruby-dev:48483]. [Bug #10158] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47241 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
44 lines
1.8 KiB
C
44 lines
1.8 KiB
C
#include <ruby.h>
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static VALUE rb_cConsoleScreenBufferInfo;
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static VALUE
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console_info(VALUE io)
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{
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int fd = NUM2INT(rb_funcallv(io, rb_intern("fileno"), 0, 0));
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HANDLE h = (HANDLE)rb_w32_get_osfhandle(fd);
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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if (h == (HANDLE)-1) rb_raise(rb_eIOError, "invalid io");
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if (!GetConsoleScreenBufferInfo(h, &csbi))
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rb_syserr_fail(rb_w32_map_errno(GetLastError()), "not console");
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return rb_struct_new(rb_cConsoleScreenBufferInfo,
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INT2FIX(csbi.dwSize.X), INT2FIX(csbi.dwSize.Y),
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INT2FIX(csbi.dwCursorPosition.X), INT2FIX(csbi.dwCursorPosition.Y),
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INT2FIX(csbi.wAttributes));
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}
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#define FOREGROUND_MASK (FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY)
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#define BACKGROUND_MASK (BACKGROUND_BLUE | BACKGROUND_GREEN | BACKGROUND_RED | BACKGROUND_INTENSITY)
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void
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Init_attribute(VALUE m)
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{
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rb_cConsoleScreenBufferInfo = rb_struct_define_under(m, "ConsoleScreenBufferInfo",
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"size_x", "size_y",
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"cur_x", "cur_y",
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"attr", NULL);
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rb_define_method(rb_cIO, "console_info", console_info, 0);
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rb_define_const(m, "FOREGROUND_MASK", INT2FIX(FOREGROUND_MASK));
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rb_define_const(m, "FOREGROUND_BLUE", INT2FIX(FOREGROUND_BLUE));
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rb_define_const(m, "FOREGROUND_GREEN", INT2FIX(FOREGROUND_GREEN));
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rb_define_const(m, "FOREGROUND_RED", INT2FIX(FOREGROUND_RED));
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rb_define_const(m, "FOREGROUND_INTENSITY", INT2FIX(FOREGROUND_INTENSITY));
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rb_define_const(m, "BACKGROUND_MASK", INT2FIX(BACKGROUND_MASK));
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rb_define_const(m, "BACKGROUND_BLUE", INT2FIX(BACKGROUND_BLUE));
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rb_define_const(m, "BACKGROUND_GREEN", INT2FIX(BACKGROUND_GREEN));
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rb_define_const(m, "BACKGROUND_RED", INT2FIX(BACKGROUND_RED));
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rb_define_const(m, "BACKGROUND_INTENSITY", INT2FIX(BACKGROUND_INTENSITY));
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}
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