From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2155) id C930E3870914; Fri, 19 Feb 2021 16:58:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C930E3870914 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Corinna Vinschen To: cygwin-cvs@sourceware.org Subject: [newlib-cygwin] Cygwin: console: Fix SIGWINCH handling in Win7. X-Act-Checkin: newlib-cygwin X-Git-Author: Takashi Yano via Cygwin-patches X-Git-Refname: refs/heads/master X-Git-Oldrev: 038d4a78f9ac662430b10c01919fd3d8542b106f X-Git-Newrev: 2b9219b4a54e897d6a5ae6815d75ffec4de1f785 Message-Id: <20210219165829.C930E3870914@sourceware.org> Date: Fri, 19 Feb 2021 16:58:29 +0000 (GMT) X-BeenThere: cygwin-cvs@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Cygwin core component git logs List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Feb 2021 16:58:29 -0000 https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=2b9219b4a54e897d6a5ae6815d75ffec4de1f785 commit 2b9219b4a54e897d6a5ae6815d75ffec4de1f785 Author: Takashi Yano via Cygwin-patches Date: Thu Feb 18 18:01:27 2021 +0900 Cygwin: console: Fix SIGWINCH handling in Win7. - If ENABLE_VIRTUAL_TERMINAL_INPUT is not set, changing window height does not generate WINDOW_BUFFER_SIZE_EVENT. This happens if console is in the legacy mode. Therefore, with this patch, the windows size is checked every time in cons_master_thread() if the cosole is in the legacy mode. Diff: --- winsup/cygwin/fhandler_console.cc | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc index 5053cb053..4dee506dd 100644 --- a/winsup/cygwin/fhandler_console.cc +++ b/winsup/cygwin/fhandler_console.cc @@ -223,6 +223,21 @@ fhandler_console::cons_master_thread (handle_set_t *p, tty *ttyp) ReleaseMutex (p->input_mutex); return; } + /* If ENABLE_VIRTUAL_TERMINAL_INPUT is not set, changing + window height does not generate WINDOW_BUFFER_SIZE_EVENT. + Therefore, check windows size every time here. */ + if (!wincap.has_con_24bit_colors () || con_is_legacy) + { + SHORT y = con.dwWinSize.Y; + SHORT x = con.dwWinSize.X; + con.fillin (p->output_handle); + if (y != con.dwWinSize.Y || x != con.dwWinSize.X) + { + con.scroll_region.Top = 0; + con.scroll_region.Bottom = -1; + ttyp->kill_pgrp (SIGWINCH); + } + } for (i = 0; i < total_read; i++) { const char c = input_rec[i].Event.KeyEvent.uChar.AsciiChar;