From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Keith David Bershatsky Newsgroups: gmane.emacs.devel Subject: Drawing dirty rectangles with expose_window: row->clip = fr Date: Mon, 01 Apr 2019 18:55:46 -0700 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="11225"; mail-complaints-to="usenet@blaine.gmane.org" To: Emacs Devel Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Apr 02 03:56:38 2019 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hB8fE-0002nS-Ic for ged-emacs-devel@m.gmane.org; Tue, 02 Apr 2019 03:56:37 +0200 Original-Received: from localhost ([127.0.0.1]:36655 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hB8fD-0008RF-Fu for ged-emacs-devel@m.gmane.org; Mon, 01 Apr 2019 21:56:35 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:47208) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hB8ed-0008Qz-Jk for emacs-devel@gnu.org; Mon, 01 Apr 2019 21:56:00 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hB8eZ-0005h2-LO for emacs-devel@gnu.org; Mon, 01 Apr 2019 21:55:57 -0400 Original-Received: from gateway24.websitewelcome.com ([192.185.50.45]:37047) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hB8eU-0005aE-F9 for emacs-devel@gnu.org; Mon, 01 Apr 2019 21:55:51 -0400 Original-Received: from cm13.websitewelcome.com (cm13.websitewelcome.com [100.42.49.6]) by gateway24.websitewelcome.com (Postfix) with ESMTP id B05A247A4 for ; Mon, 1 Apr 2019 20:55:47 -0500 (CDT) Original-Received: from gator3053.hostgator.com ([50.87.144.69]) by cmsmtp with SMTP id B8eRhjdUyYTGMB8eRhu04o; Mon, 01 Apr 2019 20:55:47 -0500 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lawlist.com ; s=default; h=Content-Type:MIME-Version:Subject:To:From:Message-ID:Date: Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=2mLbkwVSJsvIA5zLXKHKQ0VzK4Ty8aEbozaO2SCb49k=; b=exiDu9nH+HkzHUsw2kCleOkCgx tTNwh2uBBxjTFv4hFgivAp1xOnd56gZ5F7cIHEGUkAOct/oVgw4wBM6PbmuQtYeVxlAyzRjjzqCVl jTLbueU97YkSd+cwND8cMMQZeJ0I8tWhDUtQrbmJsbDTmOGlEmd55z/qabSVJsGmLcSxv83GEK9Bm K83MSl64DGOS4J+8nVquRhIDGkhkw9ihQnrIc5InSkvnTA+m84b2D0CNPhEIuoDDBTIUvUO5Dh6J4 WTnniOfjJyjLcRgHAg1j+XLdYOY8YzJJFXgYZAqB2XDXWgDPmRG+T+8QvqbEVgxPraiWyctPleRMz UhRDT/YA==; Original-Received: from cpe-45-48-239-195.socal.res.rr.com ([45.48.239.195]:53476 helo=server.local) by gator3053.hostgator.com with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.91) (envelope-from ) id 1hB8eR-0017ds-3m for emacs-devel@gnu.org; Mon, 01 Apr 2019 20:55:47 -0500 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator3053.hostgator.com X-AntiAbuse: Original Domain - gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lawlist.com X-BWhitelist: no X-Source-IP: 45.48.239.195 X-Source-L: No X-Exim-ID: 1hB8eR-0017ds-3m X-Source-Sender: cpe-45-48-239-195.socal.res.rr.com (server.local) [45.48.239.195]:53476 X-Source-Auth: lawlist X-Email-Count: 1 X-Source-Cap: bGF3bGlzdDtsYXdsaXN0O2dhdG9yMzA1My5ob3N0Z2F0b3IuY29t X-Local-Domain: yes X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 192.185.50.45 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:234855 Archived-At: I am working on feature requests #22873 (multiple fake cursors) and #17684 (crosshairs that track the cursor position). Even though ns_clip_to_rect returns TRUE, "row->clip = fr;" in expose_window can sometimes prevent glyphs from being drawn within the rectangle that is passed as an argument of ns_clip_to_rect. This has the effect of permitting fake cursors to be drawn, but then glyphs cannot be drawn on top of hollow/box fake cursors. How can I reconcile a false_positive with ns_clip_to_rect? Or, perhaps "row->clip = fr;" in expose_window needs to be adjusted to permit the drawing of glyphs? If I comment out "row->clip = fr;" in expose_window, the problem goes away. Keith