From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Felix E. Klee" Newsgroups: gmane.emacs.bugs Subject: bug#20432: GDK_SCALE=2 GDK_DPI_SCALE=0.5 destroys GTK+ 3 scroll bar Date: Thu, 14 May 2015 12:59:36 +0100 Message-ID: References: <5554883A.9060501@swipnet.se> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1431604891 5620 80.91.229.3 (14 May 2015 12:01:31 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Thu, 14 May 2015 12:01:31 +0000 (UTC) Cc: 20432-done@debbugs.gnu.org To: Jan =?UTF-8?Q?Dj=C3=A4rv?= Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu May 14 14:01:17 2015 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YsrpE-0003em-Mb for geb-bug-gnu-emacs@m.gmane.org; Thu, 14 May 2015 14:01:16 +0200 Original-Received: from localhost ([::1]:54225 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YsrpE-00077h-3J for geb-bug-gnu-emacs@m.gmane.org; Thu, 14 May 2015 08:01:16 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:57144) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ysrp5-0006zU-1d for bug-gnu-emacs@gnu.org; Thu, 14 May 2015 08:01:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Ysrp1-0007TN-SK for bug-gnu-emacs@gnu.org; Thu, 14 May 2015 08:01:06 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34565) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Ysrp1-0007TH-Q0 for bug-gnu-emacs@gnu.org; Thu, 14 May 2015 08:01:03 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1Ysrp1-0000Rd-9Q for bug-gnu-emacs@gnu.org; Thu, 14 May 2015 08:01:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: "Felix E. Klee" Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 14 May 2015 12:01:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 20432 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 20432-done@debbugs.gnu.org id=D20432.14316048191574 (code D ref 20432); Thu, 14 May 2015 12:01:03 +0000 Original-Received: (at 20432-done) by debbugs.gnu.org; 14 May 2015 12:00:19 +0000 Original-Received: from localhost ([127.0.0.1]:44534 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YsroI-0000PJ-3U for submit@debbugs.gnu.org; Thu, 14 May 2015 08:00:19 -0400 Original-Received: from mail-pd0-f177.google.com ([209.85.192.177]:34795) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1YsroC-0000OL-N8 for 20432-done@debbugs.gnu.org; Thu, 14 May 2015 08:00:15 -0400 Original-Received: by pdbqa5 with SMTP id qa5so84400326pdb.1 for <20432-done@debbugs.gnu.org>; Thu, 14 May 2015 05:00:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=UDaMIK1eB+oD8Ac3C21Sr5ojqak0hOo62aosvUknR9g=; b=ddcD98eo2oM5RPuNLtWpeXZnF2Hdmr9nmok/WYIcDZeYjc1WdCFUt8n4fdEHN8xcok wJaWQ5FagDXN4R/bXdf03+b5MQIEzfC6fzWVpAj2VGdCoqgiaKppRXYYffcn9M73F1SR Kzj4JSwuYbKfVVqNswYqCOA6Sutc9P3ef1t2Asei1kktnMDHH84bURuc4YHwL6Sjam9h H8/cKlKixakN2HuzLEoAyCXcC0oRNNfG5Hx6ep8MjEmEO/4dv3SwcV6UyEbg+f9bwsJV yw4ugDd5J7i72obTwkLwqdlRehP7o/SvkNIbysaU4cBqanRVjr9jWq3AztHB9gDd9jAm JBmg== X-Gm-Message-State: ALoCoQnTYlQWCdWvIYKzzVm2y4htUfyuu2Uf0lt7TF0M4oy6CCXtZOc3NHUEIIf04mg+FnEF7fFO X-Received: by 10.70.90.209 with SMTP id by17mr7471089pdb.2.1431604806706; Thu, 14 May 2015 05:00:06 -0700 (PDT) Original-Received: by 10.66.149.193 with HTTP; Thu, 14 May 2015 04:59:36 -0700 (PDT) X-Originating-IP: [90.174.2.67] In-Reply-To: <5554883A.9060501@swipnet.se> X-Google-Sender-Auth: sM4Px7m6a79ngog2CfjhYJnmAwQ X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:102773 Archived-At: On Thu, May 14, 2015 at 12:34 PM, Jan Dj=C3=A4rv wrote= : > This GTK feature is very poorly designed. HiDPI scaling works beautifully in various other GTK+ 3 applications. > We can not support it correctly, as we don't use Gtk+ exclusively. Thanks for the explanation. > Also, the Gtk+ code blindly multiplies anything with GTK_SCALE. So for > example, given GTK_SCALE=3D2, if we have font size 15, it becomes 30. That is what `GDK_DPI_SCALE` is for. Example: export GDK_SCALE=3D2 export GDK_DPI_SCALE=3D0.5 > So there will be glitches, live with it. It=E2=80=99s not for me. I set up a HiDPI machine for a friend who=E2=80=99= s turning eighty this year. While he has great vision given his age, some UI elements are just too small without scaling. They are barely visible. This is a big issue, not something that should be ignored. Get access to a HiDPI screen, and you=E2=80=99ll see what I mean. > But at least we draw things correctly in the trunk now. Great!