From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:59797)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <kraxel@redhat.com>) id 1a8myy-0006Yb-Os
	for qemu-devel@nongnu.org; Tue, 15 Dec 2015 05:37:25 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <kraxel@redhat.com>) id 1a8myv-0006tB-JV
	for qemu-devel@nongnu.org; Tue, 15 Dec 2015 05:37:24 -0500
Received: from mx1.redhat.com ([209.132.183.28]:52696)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <kraxel@redhat.com>) id 1a8myv-0006t6-EF
	for qemu-devel@nongnu.org; Tue, 15 Dec 2015 05:37:21 -0500
Message-ID: <1450175839.24446.3.camel@redhat.com>
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Tue, 15 Dec 2015 11:37:19 +0100
In-Reply-To: <87fuzm57qg.fsf_-_@mail.parknet.co.jp>
References: <87r3j95407.fsf@mail.parknet.co.jp>
	<1448979081.26005.10.camel@redhat.com>
	<87mvtu57sk.fsf@mail.parknet.co.jp>
	<87fuzm57qg.fsf_-_@mail.parknet.co.jp>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Mime-Version: 1.0
Subject: Re: [Qemu-devel] [PATCH v2] ui/curses: Fix color attribute of
	monitor for curses
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Cc: qemu-devel@nongnu.org

On Mi, 2015-12-02 at 03:44 +0900, OGAWA Hirofumi wrote:
> Current text_console_update() writes totally broken color attributes
> to console_write_ch(). The format now is writing,
>=20
> [WRONG]
> 	bold << 21 | fg << 12 | bg << 8 | char
> 	fg =3D=3D 3bits curses color number
> 	bg =3D=3D 3bits curses color number
>=20
> I can't see this format is where come from. Anyway, this doesn't work
> at all.
>=20
> What curses expects is actually (and vga.c is using),
>=20
> [RIGHT]
> 	bold << 21 | bg << 11 | fg << 8 | char
> 	fg =3D=3D 3bits vga color number
> 	bg =3D=3D 3bits vga color number
>=20
> And curses set COLOR_PAIR() up to match this format, and curses's
> chtype. I.e,
>=20
> 	bold | color_pair | char
> 	color_pair =3D=3D (bg << 3 | fg)
>=20
> To fix, this simply uses VGA color number everywhere except curses.c
> internal. Then, convert it to above [RIGHT] format to write by
> console_write_ch(). And as bonus, this reduces to expose curses define
> to other parts (removes COLOR_* from console.c).
>=20
> [Tested the first line is displayed as white on blue back for monitor
> in curses console]

Added to ui patch queue.

thanks,
  Gerd