From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu Newsgroups: gmane.emacs.devel Subject: Re: XInput 2 support Date: Sat, 16 Oct 2021 19:38:03 +0800 Message-ID: <87wnmddwtg.fsf@yahoo.com> References: <87r1clh6nq.fsf.ref@yahoo.com> <87r1clh6nq.fsf@yahoo.com> <87h7dhfm5x.fsf@yahoo.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7746"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Oct 16 13:40:16 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mbi2x-0001nJ-Ke for ged-emacs-devel@m.gmane-mx.org; Sat, 16 Oct 2021 13:40:15 +0200 Original-Received: from localhost ([::1]:56242 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbi2v-0001tT-JG for ged-emacs-devel@m.gmane-mx.org; Sat, 16 Oct 2021 07:40:13 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:39058) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbi19-00017o-Gz for emacs-devel@gnu.org; Sat, 16 Oct 2021 07:38:23 -0400 Original-Received: from sonic306-20.consmr.mail.ne1.yahoo.com ([66.163.189.82]:36941) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mbi14-00026L-0I for emacs-devel@gnu.org; Sat, 16 Oct 2021 07:38:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1634384295; bh=5+ftZZJJRYSrwZrRR1dUlu2VhVNDvGf9i/29g5fWZ/U=; h=From:To:Subject:References:Date:In-Reply-To:From:Subject:Reply-To; b=EVHuqIrKvScnGkwGKNWTkPqvpPBD1k/HBqnzaS1KRcSdMXOFuJ00J4iGkikQbcNOfLkpQCJ5lILfsSMe4k6iHcXV70NGo6H8x3jGfmBQJyARQOW66oFE2zVGKLwD2usOmErwT+bBqxgoX4cbe2iy14cgVwBydfK4NQ3SRr0zAqJ2t3ueQGxL/WTEnqMuKipejP0KvHxyOU6TVpLdtEpqSY15tHk4VXC2xVZvRdlTwT0Oly1zFGYFwpm6FpFkcS+FPRTnPuolfrJG9eDMU7h9uVxDd3H3qzoiRjj7BPJPx3k5C9y4Qsm4oUBQwFNS+NQ0v4hbWJhjtdRxH6nKozbC8w== X-SONIC-DKIM-SIGN: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1634384295; bh=gb8jbEXoYz4O6m2YmdI09H3e1CjmT7hCFpf/8hS+Z1U=; h=X-Sonic-MF:From:To:Subject:Date:From:Subject; b=n83/ukTdr2mp03GzKOeezmqqKCpPqlLAJBeFGA+yerw0G0IpALtaz8VL8523olFx4dZNwdBUtYakbBKTNjJ/6H03wL6NDyyTh8+1ofKm4lnUqw0U7tlvXSi9tScHuqnue5OT0KK6UsnjkP+0jphn/lfvdpKax6VOehSNDvMhyq93UEEWc4odk5ZYluudSGCypR4qm9CL3g8eLw1PHgkZ6BM2rYhXWLBuAKOnoeTUCXK/y3YQTaOvJY27dZnukLjgXp99jrCkLX00EgdOI+7+Rn/UDQZwAJSSmVsRd+Uho7TtHEbxbJO40IN5G0AePIz+EzYUCZokX/46YP1OTNgxDA== X-YMail-OSG: R9_BmMAVM1lOjCvGN4cp1fz.iy2t8n8IL7Wb9UHlE1yoxjjweevM3ym9kb5tULH KXsFUjtH1clvqChW4VhoeoFNteHOAbWScPbnHXsl3DNNfhtErPfEQ7OOe3bY3vcoM6.LwsQiWtOU lWQFgr7uPOl8mgLg48_EN7gwGu9CHpXEWHFEEJL4cKICzTGYVCRiG.Q4fvHhxN41EIs3xUg4taQE s9pBe7uOekVmIqi8ksKlBOw65iG6UjFSIW5GK9NwAJaP05_dzPdEs8mRJEyKp3wk_6btX9U8dW_7 cNAG_00JwhXmpjRuAkpl50OUEAhpfVBWeoCy8OfvOx99KeMZIhdKUDlkE8Qo5mo3zHi3J2Xlax7z 4ugB3VxPlWtDJtkzRi3l57YZCIdgBtjpK2F_6E0b2sZAtftdabTJ5xnIPfvGbM0EthoBqzj2UX43 8uFBuiFthwfU3rWx5z.GMg3VMzlHce5Z2pzQlIIYse_byguSsVAQSXF7RiO8whXPueKmXn_0NV9P RT.sP0OxExNlO8aTSPYpAyHifIFSrJOOL8OVMdB7UQXJOnaRrbqHKhmr3sX5MZHbRqErkHJVPF.H uej5pSacZ0l49NAnO8n2DB6r49axr5ifGucXrVy11F2ADoW7dJadjWKaCzqqLsky.doq3n8Yrfyq _Atdh6fQRmvaAvDUwArSKjz7zkHMF5EwiGbm4zId.Z69d1vhXloMSFehVTGw66zZBxsdRsPcW6Ta tkQZytWH1MWFmmdBj98OgV_xOu4i6kOZ4zyW8_LsyQeWSVeXTWRCfcQbQnBTg4.VNa_iB7E8WswV uJg952QPbpMa.lb7qHT1.DEO7jR9XQvNyabBrIsLve X-Sonic-MF: Original-Received: from sonic.gate.mail.ne1.yahoo.com by sonic306.consmr.mail.ne1.yahoo.com with HTTP; Sat, 16 Oct 2021 11:38:15 +0000 Original-Received: by kubenode515.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 2890f623c00fed3628f0164c21ed7d81; Sat, 16 Oct 2021 11:38:07 +0000 (UTC) In-Reply-To: <87h7dhfm5x.fsf@yahoo.com> (Po Lu's message of "Sat, 16 Oct 2021 15:45:14 +0800") X-Mailer: WebService/1.1.19116 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo Received-SPF: pass client-ip=66.163.189.82; envelope-from=luangruo@yahoo.com; helo=sonic306-20.consmr.mail.ne1.yahoo.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:277168 Archived-At: --=-=-= Content-Type: text/plain Po Lu writes: > Okay, I asked someone to test and he reported a problem with the menu > bar. This updated patch should fix it. That didn't work either. This should. --=-=-= Content-Type: text/x-patch Content-Disposition: attachment; filename=0001-Add-support-for-event-processing-via-XInput-2.patch >From 7aa00bdcd92af89e5ff9f3c562e06e0ab40dc58a Mon Sep 17 00:00:00 2001 From: Po Lu Date: Sat, 16 Oct 2021 13:15:36 +0800 Subject: [PATCH] Add support for event processing via XInput 2 * configure.ac: Add an option to use XInput 2 if available * src/Makefile.in (XINPUT_LIBS, XINPUT_CFLAGS): New variables (EMACS_CFLAGS): Add Xinput CFLAGS (LIBES): Add XInput libs * src/xfns.c (x_window): Set XInput 2 event mask * src/xterm.c (x_detect_focus_change): Handle XInput 2 GenericEvents (handle_one_xevent): Handle XInput 2 events (x_term_init): Ask the server for XInput 2 support and set xkb_desc if available (x_delete_terminal): Free XKB kb desc if it exists (init_xterm): Don't tell GTK to only use Core Input when built with XInput 2 support * src/xterm.h (struct x_display_info): Add fields for XKB and XI2 support * src/gtkutil.c (xg_event_is_for_menubar): Handle XIDeviceEvents --- configure.ac | 22 ++ src/Makefile.in | 7 +- src/gtkutil.c | 23 +- src/xfns.c | 56 ++++ src/xterm.c | 776 +++++++++++++++++++++++++++++++++++++++++++++++- src/xterm.h | 14 + 6 files changed, 891 insertions(+), 7 deletions(-) diff --git a/configure.ac b/configure.ac index 9ab0314428..0af8b65dd7 100644 --- a/configure.ac +++ b/configure.ac @@ -485,6 +485,7 @@ AC_DEFUN OPTION_DEFAULT_ON([modules],[don't compile with dynamic modules support]) OPTION_DEFAULT_ON([threads],[don't compile with elisp threading support]) OPTION_DEFAULT_OFF([native-compilation],[compile with Emacs Lisp native compiler support]) +OPTION_DEFAULT_OFF([xinput2],[use version 2.0 the X Input Extension for input]) AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB], [use a file notification library (LIB one of: yes, inotify, kqueue, gfile, w32, no)])], @@ -4203,6 +4204,26 @@ AC_DEFUN AC_SUBST(XFIXES_CFLAGS) AC_SUBST(XFIXES_LIBS) +## Use XInput 2.0 if available +HAVE_XINPUT2=no +if test "${HAVE_X11}" = "yes" && test "${with_xinput2}" != "no"; then + EMACS_CHECK_MODULES([XINPUT], [xi]) + if test $HAVE_XINPUT = yes; then + # Now check for XInput2.h + AC_CHECK_HEADER(X11/extensions/XInput2.h, + [AC_CHECK_LIB(Xi, XIGrabButton, HAVE_XINPUT2=yes)]) + fi + if test $HAVE_XINPUT2 = yes; then + AC_DEFINE(HAVE_XINPUT2, 1, [Define to 1 if the X Input Extension version 2.0 is present.]) + if test "$USE_GTK_TOOLKIT" = "GTK2"; then + AC_MSG_WARN([You are building Emacs with GTK+ 2 and the X Input Extension version 2. +This might lead to problems if your version of GTK+ is not built with support for XInput 2.]) + fi + fi +fi +AC_SUBST(XINPUT_CFLAGS) +AC_SUBST(XINPUT_LIBS) + ### Use Xdbe (-lXdbe) if available HAVE_XDBE=no if test "${HAVE_X11}" = "yes"; then @@ -5959,6 +5980,7 @@ AC_DEFUN Does Emacs support legacy unexec dumping? ${with_unexec} Which dumping strategy does Emacs use? ${with_dumping} Does Emacs have native lisp compiler? ${HAVE_NATIVE_COMP} + Does Emacs use version 2 of the the X Input Extension? ${HAVE_XINPUT2} "]) if test -n "${EMACSDATA}"; then diff --git a/src/Makefile.in b/src/Makefile.in index 6d75e3537a..2b3e1f37e0 100644 --- a/src/Makefile.in +++ b/src/Makefile.in @@ -256,6 +256,9 @@ XINERAMA_CFLAGS = XFIXES_LIBS = @XFIXES_LIBS@ XFIXES_CFLAGS = @XFIXES_CFLAGS@ +XINPUT_LIBS = @XINPUT_LIBS@ +XINPUT_CFLAGS = @XINPUT_CFLAGS@ + XDBE_LIBS = @XDBE_LIBS@ XDBE_CFLAGS = @XDBE_CFLAGS@ @@ -372,7 +375,7 @@ EMACS_CFLAGS= $(GNUSTEP_CFLAGS) $(CFLAGS_SOUND) $(RSVG_CFLAGS) $(IMAGEMAGICK_CFLAGS) \ $(PNG_CFLAGS) $(LIBXML2_CFLAGS) $(LIBGCCJIT_CFLAGS) $(DBUS_CFLAGS) \ $(XRANDR_CFLAGS) $(XINERAMA_CFLAGS) $(XFIXES_CFLAGS) $(XDBE_CFLAGS) \ - $(WEBKIT_CFLAGS) $(LCMS2_CFLAGS) \ + $(XINPUT_CFLAGS) $(WEBKIT_CFLAGS) $(LCMS2_CFLAGS) \ $(SETTINGS_CFLAGS) $(FREETYPE_CFLAGS) $(FONTCONFIG_CFLAGS) \ $(HARFBUZZ_CFLAGS) $(LIBOTF_CFLAGS) $(M17N_FLT_CFLAGS) $(DEPFLAGS) \ $(LIBSYSTEMD_CFLAGS) $(JSON_CFLAGS) \ @@ -522,7 +525,7 @@ LIBES = $(FREETYPE_LIBS) $(FONTCONFIG_LIBS) $(HARFBUZZ_LIBS) $(LIBOTF_LIBS) $(M17N_FLT_LIBS) \ $(LIBGNUTLS_LIBS) $(LIB_PTHREAD) $(GETADDRINFO_A_LIBS) $(LCMS2_LIBS) \ $(NOTIFY_LIBS) $(LIB_MATH) $(LIBZ) $(LIBMODULES) $(LIBSYSTEMD_LIBS) \ - $(JSON_LIBS) $(LIBGMP) $(LIBGCCJIT_LIBS) + $(JSON_LIBS) $(LIBGMP) $(LIBGCCJIT_LIBS) $(XINPUT_LIBS) ## FORCE it so that admin/unidata can decide whether this file is ## up-to-date. Although since charprop depends on bootstrap-emacs, diff --git a/src/gtkutil.c b/src/gtkutil.c index e87845caf7..0304f02434 100644 --- a/src/gtkutil.c +++ b/src/gtkutil.c @@ -47,6 +47,10 @@ Copyright (C) 2003-2021 Free Software Foundation, Inc. #include +#ifdef HAVE_XINPUT2 +#include +#endif + #ifdef HAVE_XFT #include #endif @@ -3575,6 +3579,18 @@ xg_event_is_for_menubar (struct frame *f, const XEvent *event) if (! x->menubar_widget) return 0; +#ifdef HAVE_XINPUT2 + XIDeviceEvent *xev = (XIDeviceEvent *) event->xcookie.data; + if (event->type == GenericEvent) /* XI_ButtonPress or XI_ButtonRelease */ + { + if (! (xev->event_x >= 0 + && xev->event_x < FRAME_PIXEL_WIDTH (f) + && xev->event_y >= 0 + && xev->event_y < FRAME_MENUBAR_HEIGHT (f))) + return 0; + } + else +#endif if (! (event->xbutton.x >= 0 && event->xbutton.x < FRAME_PIXEL_WIDTH (f) && event->xbutton.y >= 0 @@ -3583,7 +3599,12 @@ xg_event_is_for_menubar (struct frame *f, const XEvent *event) return 0; gdpy = gdk_x11_lookup_xdisplay (FRAME_X_DISPLAY (f)); - gw = gdk_x11_window_lookup_for_display (gdpy, event->xbutton.window); +#ifdef HAVE_XINPUT2 + if (event->type == GenericEvent) + gw = gdk_x11_window_lookup_for_display (gdpy, xev->event); + else +#endif + gw = gdk_x11_window_lookup_for_display (gdpy, event->xbutton.window); if (! gw) return 0; gevent.any.window = gw; gevent.any.type = GDK_NOTHING; diff --git a/src/xfns.c b/src/xfns.c index 785ae3baca..4fef8005a0 100644 --- a/src/xfns.c +++ b/src/xfns.c @@ -57,6 +57,10 @@ Copyright (C) 1989, 1992-2021 Free Software Foundation, Inc. #include #endif +#ifdef HAVE_XINPUT2 +#include +#endif + #ifdef USE_X_TOOLKIT #include @@ -3074,6 +3078,32 @@ x_window (struct frame *f, long window_prompting) class_hints.res_class = SSDATA (Vx_resource_class); XSetClassHint (FRAME_X_DISPLAY (f), XtWindow (shell_widget), &class_hints); +#ifdef HAVE_XINPUT2 + if (FRAME_DISPLAY_INFO (f)->supports_xi2) + { + XIEventMask mask; + ptrdiff_t l = XIMaskLen (XI_LASTEVENT); + unsigned char *m; + mask.mask = m = alloca (l); + memset (m, 0, l); + mask.mask_len = l; + mask.deviceid = XIAllMasterDevices; + + XISetMask (m, XI_ButtonPress); + XISetMask (m, XI_ButtonRelease); + XISetMask (m, XI_KeyPress); + XISetMask (m, XI_KeyRelease); + XISetMask (m, XI_Motion); + XISetMask (m, XI_Enter); + XISetMask (m, XI_Leave); + XISetMask (m, XI_FocusIn); + XISetMask (m, XI_FocusOut); + XISelectEvents (FRAME_X_DISPLAY (f), + FRAME_X_WINDOW (f), + &mask, 1); + } +#endif + #ifdef HAVE_X_I18N FRAME_XIC (f) = NULL; if (use_xim) @@ -3254,6 +3284,32 @@ x_window (struct frame *f) } #endif /* HAVE_X_I18N */ +#ifdef HAVE_XINPUT2 + if (FRAME_DISPLAY_INFO (f)->supports_xi2) + { + XIEventMask mask; + ptrdiff_t l = XIMaskLen (XI_LASTEVENT); + unsigned char *m; + mask.mask = m = alloca (l); + memset (m, 0, l); + mask.mask_len = l; + mask.deviceid = XIAllMasterDevices; + + XISetMask (m, XI_ButtonPress); + XISetMask (m, XI_ButtonRelease); + XISetMask (m, XI_KeyPress); + XISetMask (m, XI_KeyRelease); + XISetMask (m, XI_Motion); + XISetMask (m, XI_Enter); + XISetMask (m, XI_Leave); + XISetMask (m, XI_FocusIn); + XISetMask (m, XI_FocusOut); + XISelectEvents (FRAME_X_DISPLAY (f), + FRAME_X_WINDOW (f), + &mask, 1); + } +#endif + validate_x_resource_name (); class_hints.res_name = SSDATA (Vx_resource_name); diff --git a/src/xterm.c b/src/xterm.c index 961c61c245..0435ad341c 100644 --- a/src/xterm.c +++ b/src/xterm.c @@ -42,6 +42,10 @@ Copyright (C) 1989, 1993-2021 Free Software Foundation, Inc. #include #endif +#ifdef HAVE_XINPUT2 +#include +#endif + /* Load sys/types.h if not already loaded. In some systems loading it twice is suicidal. */ #ifndef makedev @@ -223,9 +227,15 @@ #define XtNinitialState "initialState" static void x_check_fullscreen (struct frame *); static void x_check_expected_move (struct frame *, int, int); static void x_sync_with_move (struct frame *, int, int, bool); +#ifndef HAVE_XINPUT2 static int handle_one_xevent (struct x_display_info *, const XEvent *, int *, struct input_event *); +#else +static int handle_one_xevent (struct x_display_info *, + XEvent *, int *, + struct input_event *); +#endif #if ! (defined USE_X_TOOLKIT || defined USE_MOTIF) && defined USE_GTK static int x_dispatch_event (XEvent *, Display *); #endif @@ -4665,7 +4675,16 @@ x_any_window_to_frame (struct x_display_info *dpyinfo, int wdesc) x_menubar_window_to_frame (struct x_display_info *dpyinfo, const XEvent *event) { - Window wdesc = event->xany.window; + Window wdesc; +#ifdef HAVE_XINPUT2 + if (event->type == GenericEvent + && dpyinfo->supports_xi2 + && (event->xcookie.evtype == XI_ButtonPress + || event->xcookie.evtype == XI_ButtonRelease)) + wdesc = ((XIDeviceEvent *) event->xcookie.data)->event; +#endif + else + wdesc = event->xany.window; Lisp_Object tail, frame; struct frame *f; struct x_output *x; @@ -4768,6 +4787,29 @@ x_detect_focus_change (struct x_display_info *dpyinfo, struct frame *frame, } break; +#ifdef HAVE_XINPUT2 + case GenericEvent: + { + XIEvent *xi_event = (XIEvent *) event; + + struct frame *focus_frame = dpyinfo->x_focus_event_frame; + int focus_state + = focus_frame ? focus_frame->output_data.x->focus_state : 0; + + if (!((xi_event->evtype == XI_Enter + || xi_event->evtype == XI_Leave) + && (focus_state & FOCUS_EXPLICIT))) + x_focus_changed ((xi_event->evtype == XI_Enter + || xi_event->evtype == XI_FocusIn + ? FocusIn : FocusOut), + (xi_event->evtype == XI_Enter + || xi_event->evtype == XI_Leave + ? FOCUS_IMPLICIT : FOCUS_EXPLICIT), + dpyinfo, frame, bufp); + break; + } +#endif + case FocusIn: case FocusOut: /* Ignore transient focus events from hotkeys, window manager @@ -7872,7 +7914,11 @@ mouse_or_wdesc_frame (struct x_display_info *dpyinfo, int wdesc) static int handle_one_xevent (struct x_display_info *dpyinfo, +#ifndef HAVE_XINPUT2 const XEvent *event, +#else + XEvent *event, +#endif int *finish, struct input_event *hold_quit) { union buffered_input_event inev; @@ -7898,7 +7944,14 @@ handle_one_xevent (struct x_display_info *dpyinfo, inev.ie.kind = NO_EVENT; inev.ie.arg = Qnil; - any = x_any_window_to_frame (dpyinfo, event->xany.window); +#ifdef HAVE_XINPUT2 + if (event->type != GenericEvent) +#endif + any = x_any_window_to_frame (dpyinfo, event->xany.window); +#ifdef HAVE_XINPUT2 + else + any = NULL; +#endif if (any && any->wait_event_type == event->type) any->wait_event_type = 0; /* Indicates we got it. */ @@ -9343,6 +9396,685 @@ handle_one_xevent (struct x_display_info *dpyinfo, case DestroyNotify: xft_settings_event (dpyinfo, event); break; +#ifdef HAVE_XINPUT2 + case GenericEvent: + { + if (!dpyinfo->supports_xi2) + goto OTHER; + if (event->xgeneric.extension != dpyinfo->xi2_opcode) + /* Not an XI2 event. */ + goto OTHER; + bool must_free_data = false; + XIEvent *xi_event = (XIEvent *) event->xcookie.data; + /* Sometimes the event is already claimed by GTK, which + will free its data in due course. */ + if (!xi_event && XGetEventData (dpyinfo->display, &event->xcookie)) + { + must_free_data = true; + xi_event = (XIEvent *) event->xcookie.data; + } + + XIDeviceEvent *xev = (XIDeviceEvent *) xi_event; + XILeaveEvent *leave = (XILeaveEvent *) xi_event; + XIEnterEvent *enter = (XIEnterEvent *) xi_event; + XIFocusInEvent *focusin = (XIFocusInEvent *) xi_event; + XIFocusOutEvent *focusout = (XIFocusOutEvent *) xi_event; + + /* A fake XMotionEvent for x_note_mouse_movement. */ + XMotionEvent ev; + /* A fake XButtonEvent for x_construct_mouse_click. */ + XButtonEvent bv; + + if (!xi_event) + { + eassert (!must_free_data); + goto OTHER; + } + + switch (event->xcookie.evtype) + { + case XI_FocusIn: + any = x_any_window_to_frame (dpyinfo, focusin->event); +#ifndef USE_GTK + /* Some WMs (e.g. Mutter in Gnome Shell), don't unmap + minimized/iconified windows; thus, for those WMs we won't get + a MapNotify when unminimizing/deconifying. Check here if we + are deiconizing a window (Bug42655). + + But don't do that on GTK since it may cause a plain invisible + frame get reported as iconified, compare + https://lists.gnu.org/archive/html/emacs-devel/2017-02/msg00133.html. + That is fixed above but bites us here again. */ + f = any; + if (f && FRAME_ICONIFIED_P (f)) + { + SET_FRAME_VISIBLE (f, 1); + SET_FRAME_ICONIFIED (f, false); + f->output_data.x->has_been_visible = true; + inev.ie.kind = DEICONIFY_EVENT; + XSETFRAME (inev.ie.frame_or_window, f); + } +#endif /* USE_GTK */ + x_detect_focus_change (dpyinfo, any, event, &inev.ie); + goto XI_OTHER; + case XI_FocusOut: + any = x_any_window_to_frame (dpyinfo, focusout->event); + x_detect_focus_change (dpyinfo, any, event, &inev.ie); + goto XI_OTHER; + case XI_Enter: + any = x_any_window_to_frame (dpyinfo, enter->event); + ev.x = lrint (enter->event_x); + ev.y = lrint (enter->event_y); + ev.window = leave->event; + + x_display_set_last_user_time (dpyinfo, xi_event->time); + x_detect_focus_change (dpyinfo, any, event, &inev.ie); + f = any; + + if (f && x_mouse_click_focus_ignore_position) + ignore_next_mouse_click_timeout = xi_event->time + 200; + + /* EnterNotify counts as mouse movement, + so update things that depend on mouse position. */ + if (f && !f->output_data.x->hourglass_p) + x_note_mouse_movement (f, &ev); +#ifdef USE_GTK + /* We may get an EnterNotify on the buttons in the toolbar. In that + case we moved out of any highlighted area and need to note this. */ + if (!f && dpyinfo->last_mouse_glyph_frame) + x_note_mouse_movement (dpyinfo->last_mouse_glyph_frame, &ev); +#endif + goto XI_OTHER; + case XI_Leave: + ev.x = lrint (leave->event_x); + ev.y = lrint (leave->event_y); + ev.window = leave->event; + any = x_any_window_to_frame (dpyinfo, leave->event); + + x_display_set_last_user_time (dpyinfo, xi_event->time); + x_detect_focus_change (dpyinfo, any, event, &inev.ie); + + f = x_top_window_to_frame (dpyinfo, leave->event); + if (f) + { + if (f == hlinfo->mouse_face_mouse_frame) + { + /* If we move outside the frame, then we're + certainly no longer on any text in the frame. */ + clear_mouse_face (hlinfo); + hlinfo->mouse_face_mouse_frame = 0; + } + + /* Generate a nil HELP_EVENT to cancel a help-echo. + Do it only if there's something to cancel. + Otherwise, the startup message is cleared when + the mouse leaves the frame. */ + if (any_help_event_p) + do_help = -1; + } +#ifdef USE_GTK + /* See comment in EnterNotify above */ + else if (dpyinfo->last_mouse_glyph_frame) + x_note_mouse_movement (dpyinfo->last_mouse_glyph_frame, &ev); +#endif + goto XI_OTHER; + case XI_Motion: + ev.x = lrint (xev->event_x); + ev.y = lrint (xev->event_y); + ev.window = xev->event; + + x_display_set_last_user_time (dpyinfo, xi_event->time); + previous_help_echo_string = help_echo_string; + help_echo_string = Qnil; + + if (hlinfo->mouse_face_hidden) + { + hlinfo->mouse_face_hidden = false; + clear_mouse_face (hlinfo); + } + + f = mouse_or_wdesc_frame (dpyinfo, xev->event); + +#ifdef USE_GTK + if (f && xg_event_is_for_scrollbar (f, event)) + f = 0; +#endif + if (f) + { + /* Maybe generate a SELECT_WINDOW_EVENT for + `mouse-autoselect-window' but don't let popup menus + interfere with this (Bug#1261). */ + if (!NILP (Vmouse_autoselect_window) + && !popup_activated () + /* Don't switch if we're currently in the minibuffer. + This tries to work around problems where the + minibuffer gets unselected unexpectedly, and where + you then have to move your mouse all the way down to + the minibuffer to select it. */ + && !MINI_WINDOW_P (XWINDOW (selected_window)) + /* With `focus-follows-mouse' non-nil create an event + also when the target window is on another frame. */ + && (f == XFRAME (selected_frame) + || !NILP (focus_follows_mouse))) + { + static Lisp_Object last_mouse_window; + Lisp_Object window = window_from_coordinates (f, ev.x, ev.y, 0, false, false); + + /* A window will be autoselected only when it is not + selected now and the last mouse movement event was + not in it. The remainder of the code is a bit vague + wrt what a "window" is. For immediate autoselection, + the window is usually the entire window but for GTK + where the scroll bars don't count. For delayed + autoselection the window is usually the window's text + area including the margins. */ + if (WINDOWP (window) + && !EQ (window, last_mouse_window) + && !EQ (window, selected_window)) + { + inev.ie.kind = SELECT_WINDOW_EVENT; + inev.ie.frame_or_window = window; + } + + /* Remember the last window where we saw the mouse. */ + last_mouse_window = window; + } + + if (!x_note_mouse_movement (f, &ev)) + help_echo_string = previous_help_echo_string; + } + else + { +#ifndef USE_TOOLKIT_SCROLL_BARS + struct scroll_bar *bar + = x_window_to_scroll_bar (xi_event->display, xev->event, 2); + + if (bar) + x_scroll_bar_note_movement (bar, &ev); +#endif /* USE_TOOLKIT_SCROLL_BARS */ + + /* If we move outside the frame, then we're + certainly no longer on any text in the frame. */ + clear_mouse_face (hlinfo); + } + + /* If the contents of the global variable help_echo_string + has changed, generate a HELP_EVENT. */ + if (!NILP (help_echo_string) + || !NILP (previous_help_echo_string)) + do_help = 1; + goto XI_OTHER; + case XI_ButtonRelease: + case XI_ButtonPress: + { + /* If we decide we want to generate an event to be seen + by the rest of Emacs, we put it here. */ + Lisp_Object tab_bar_arg = Qnil; + bool tab_bar_p = false; + bool tool_bar_p = false; + + bv.button = xev->detail; + bv.type = xev->evtype == XI_ButtonPress ? ButtonPress : ButtonRelease; + bv.x = lrint (xev->event_x); + bv.y = lrint (xev->event_y); + bv.window = xev->event; + bv.state = xev->mods.base + | xev->mods.effective + | xev->mods.latched + | xev->mods.locked; + + memset (&compose_status, 0, sizeof (compose_status)); + dpyinfo->last_mouse_glyph_frame = NULL; + x_display_set_last_user_time (dpyinfo, xev->time); + + f = mouse_or_wdesc_frame (dpyinfo, xev->event); + + if (f && xev->evtype == XI_ButtonPress + && !popup_activated () + && !x_window_to_scroll_bar (xev->display, xev->event, 2) + && !FRAME_NO_ACCEPT_FOCUS (f)) + { + /* When clicking into a child frame or when clicking + into a parent frame with the child frame selected and + `no-accept-focus' is not set, select the clicked + frame. */ + struct frame *hf = dpyinfo->highlight_frame; + + if (FRAME_PARENT_FRAME (f) || (hf && frame_ancestor_p (f, hf))) + { + block_input (); + XSetInputFocus (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f), + RevertToParent, CurrentTime); + if (FRAME_PARENT_FRAME (f)) + XRaiseWindow (FRAME_X_DISPLAY (f), FRAME_OUTER_WINDOW (f)); + unblock_input (); + } + } + +#ifdef USE_GTK + if (f && xg_event_is_for_scrollbar (f, event)) + f = 0; +#endif + + if (f) + { + /* Is this in the tab-bar? */ + if (WINDOWP (f->tab_bar_window) + && WINDOW_TOTAL_LINES (XWINDOW (f->tab_bar_window))) + { + Lisp_Object window; + int x = bv.x; + int y = bv.y; + + window = window_from_coordinates (f, x, y, 0, true, true); + tab_bar_p = EQ (window, f->tab_bar_window); + + if (tab_bar_p) + tab_bar_arg = handle_tab_bar_click + (f, x, y, xev->evtype == XI_ButtonPress, + x_x_to_emacs_modifiers (dpyinfo, bv.state)); + } + +#if ! defined (USE_GTK) + /* Is this in the tool-bar? */ + if (WINDOWP (f->tool_bar_window) + && WINDOW_TOTAL_LINES (XWINDOW (f->tool_bar_window))) + { + Lisp_Object window; + int x = bv.x; + int y = bv.y; + + window = window_from_coordinates (f, x, y, 0, true, true); + tool_bar_p = EQ (window, f->tool_bar_window); + + if (tool_bar_p && xev->detail < 4) + handle_tool_bar_click + (f, x, y, xev->evtype == XI_ButtonPress, + x_x_to_emacs_modifiers (dpyinfo, bv.state)); + } +#endif /* !USE_GTK */ + + if (!(tab_bar_p && NILP (tab_bar_arg)) && !tool_bar_p) +#if defined (USE_X_TOOLKIT) || defined (USE_GTK) + if (! popup_activated ()) +#endif + { + if (ignore_next_mouse_click_timeout) + { + if (xev->evtype == XI_ButtonPress + && xev->time > ignore_next_mouse_click_timeout) + { + ignore_next_mouse_click_timeout = 0; + x_construct_mouse_click (&inev.ie, &bv, f); + } + if (xev->evtype == XI_ButtonRelease) + ignore_next_mouse_click_timeout = 0; + } + else + x_construct_mouse_click (&inev.ie, &bv, f); + + if (!NILP (tab_bar_arg)) + inev.ie.arg = tab_bar_arg; + } + if (FRAME_X_EMBEDDED_P (f)) + xembed_send_message (f, xev->time, + XEMBED_REQUEST_FOCUS, 0, 0, 0); + } + + if (xev->evtype == XI_ButtonPress) + { + dpyinfo->grabbed |= (1 << xev->detail); + dpyinfo->last_mouse_frame = f; + if (f && !tab_bar_p) + f->last_tab_bar_item = -1; +#if ! defined (USE_GTK) + if (f && !tool_bar_p) + f->last_tool_bar_item = -1; +#endif /* not USE_GTK */ + + } + else + dpyinfo->grabbed &= ~(1 << xev->detail); + + if (f) + f->mouse_moved = false; + +#if defined (USE_GTK) + /* No Xt toolkit currently available has support for XI2. + So the code here assumes use of GTK. */ + f = x_menubar_window_to_frame (dpyinfo, event); + if (f /* Gtk+ menus only react to the first three buttons. */ + && xev->detail < 3) + { + /* What is done with Core Input ButtonPressed is not + possible here, because GenericEvents cannot be saved. */ + bool was_waiting_for_input = waiting_for_input; + /* This hack was adopted from the NS port. Whether + or not it is actually safe is a different story + altogether. */ + if (waiting_for_input) + waiting_for_input = 0; + set_frame_menubar (f, true); + waiting_for_input = was_waiting_for_input; + } +#endif + goto XI_OTHER; + } + case XI_KeyPress: + { + int state = xev->mods.base + | xev->mods.effective + | xev->mods.latched + | xev->mods.locked; + Lisp_Object c; +#ifdef HAVE_XKB + unsigned int mods_rtrn; +#endif + int keycode = xev->detail; + KeySym keysym; + char copy_buffer[81]; + char *copy_bufptr = copy_buffer; + unsigned char *copy_ubufptr; +#ifdef HAVE_XKB + int copy_bufsiz = sizeof (copy_buffer); +#endif + ptrdiff_t i; + int nchars, len; + +#ifdef HAVE_XKB + if (dpyinfo->xkb_desc) + { + if (!XkbTranslateKeyCode (dpyinfo->xkb_desc, keycode, + state, &mods_rtrn, &keysym)) + goto XI_OTHER; + } + else + { +#endif + int keysyms_per_keycode_return; + KeySym *ksms = XGetKeyboardMapping (dpyinfo->display, keycode, 1, + &keysyms_per_keycode_return); + if (!(keysym = ksms[0])) + { + XFree (ksms); + goto XI_OTHER; + } + XFree (ksms); +#ifdef HAVE_XKB + } +#endif + + if (keysym == NoSymbol) + goto XI_OTHER; + + x_display_set_last_user_time (dpyinfo, xev->time); + ignore_next_mouse_click_timeout = 0; + +#if defined (USE_X_TOOLKIT) || defined (USE_GTK) + /* Dispatch XI_KeyPress events when in menu. */ + if (popup_activated ()) + goto XI_OTHER; +#endif + + f = x_any_window_to_frame (dpyinfo, xev->event); + + /* If mouse-highlight is an integer, input clears out + mouse highlighting. */ + if (!hlinfo->mouse_face_hidden && FIXNUMP (Vmouse_highlight) + && (f == 0 +#if ! defined (USE_GTK) + || !EQ (f->tool_bar_window, hlinfo->mouse_face_window) +#endif + || !EQ (f->tab_bar_window, hlinfo->mouse_face_window)) + ) + { + clear_mouse_face (hlinfo); + hlinfo->mouse_face_hidden = true; + } + + if (f != 0) + { + /* If not using XIM/XIC, and a compose sequence is in progress, + we break here. Otherwise, chars_matched is always 0. */ + if (compose_status.chars_matched > 0 && nbytes == 0) + goto XI_OTHER; + + memset (&compose_status, 0, sizeof (compose_status)); + + XSETFRAME (inev.ie.frame_or_window, f); + inev.ie.modifiers + = x_x_to_emacs_modifiers (FRAME_DISPLAY_INFO (f), state); + inev.ie.timestamp = xev->time; + + /* First deal with keysyms which have defined + translations to characters. */ + if (keysym >= 32 && keysym < 128) + /* Avoid explicitly decoding each ASCII character. */ + { + inev.ie.kind = ASCII_KEYSTROKE_EVENT; + inev.ie.code = keysym; + + goto xi_done_keysym; + } + + /* Keysyms directly mapped to Unicode characters. */ + if (keysym >= 0x01000000 && keysym <= 0x0110FFFF) + { + if (keysym < 0x01000080) + inev.ie.kind = ASCII_KEYSTROKE_EVENT; + else + inev.ie.kind = MULTIBYTE_CHAR_KEYSTROKE_EVENT; + inev.ie.code = keysym & 0xFFFFFF; + goto xi_done_keysym; + } + + /* Now non-ASCII. */ + if (HASH_TABLE_P (Vx_keysym_table) + && (c = Fgethash (make_fixnum (keysym), + Vx_keysym_table, + Qnil), + FIXNATP (c))) + { + inev.ie.kind = (SINGLE_BYTE_CHAR_P (XFIXNAT (c)) + ? ASCII_KEYSTROKE_EVENT + : MULTIBYTE_CHAR_KEYSTROKE_EVENT); + inev.ie.code = XFIXNAT (c); + goto xi_done_keysym; + } + + /* Random non-modifier sorts of keysyms. */ + if (((keysym >= XK_BackSpace && keysym <= XK_Escape) + || keysym == XK_Delete +#ifdef XK_ISO_Left_Tab + || (keysym >= XK_ISO_Left_Tab + && keysym <= XK_ISO_Enter) +#endif + || IsCursorKey (keysym) /* 0xff50 <= x < 0xff60 */ + || IsMiscFunctionKey (keysym) /* 0xff60 <= x < VARIES */ +#ifdef HPUX + /* This recognizes the "extended function + keys". It seems there's no cleaner way. + Test IsModifierKey to avoid handling + mode_switch incorrectly. */ + || (XK_Select <= keysym && keysym < XK_KP_Space) +#endif +#ifdef XK_dead_circumflex + || keysym == XK_dead_circumflex +#endif +#ifdef XK_dead_grave + || keysym == XK_dead_grave +#endif +#ifdef XK_dead_tilde + || keysym == XK_dead_tilde +#endif +#ifdef XK_dead_diaeresis + || keysym == XK_dead_diaeresis +#endif +#ifdef XK_dead_macron + || keysym == XK_dead_macron +#endif +#ifdef XK_dead_degree + || keysym == XK_dead_degree +#endif +#ifdef XK_dead_acute + || keysym == XK_dead_acute +#endif +#ifdef XK_dead_cedilla + || keysym == XK_dead_cedilla +#endif +#ifdef XK_dead_breve + || keysym == XK_dead_breve +#endif +#ifdef XK_dead_ogonek + || keysym == XK_dead_ogonek +#endif +#ifdef XK_dead_caron + || keysym == XK_dead_caron +#endif +#ifdef XK_dead_doubleacute + || keysym == XK_dead_doubleacute +#endif +#ifdef XK_dead_abovedot + || keysym == XK_dead_abovedot +#endif + || IsKeypadKey (keysym) /* 0xff80 <= x < 0xffbe */ + || IsFunctionKey (keysym) /* 0xffbe <= x < 0xffe1 */ + /* Any "vendor-specific" key is ok. */ + || (keysym & (1 << 28)) + || (keysym != NoSymbol && nbytes == 0)) + && ! (IsModifierKey (keysym) + /* The symbols from XK_ISO_Lock + to XK_ISO_Last_Group_Lock + don't have real modifiers but + should be treated similarly to + Mode_switch by Emacs. */ +#if defined XK_ISO_Lock && defined XK_ISO_Last_Group_Lock + || (XK_ISO_Lock <= keysym + && keysym <= XK_ISO_Last_Group_Lock) +#endif + )) + { + STORE_KEYSYM_FOR_DEBUG (keysym); + /* make_lispy_event will convert this to a symbolic + key. */ + inev.ie.kind = NON_ASCII_KEYSTROKE_EVENT; + inev.ie.code = keysym; + goto xi_done_keysym; + } + +#ifdef HAVE_XKB + int overflow = 0; + KeySym sym = keysym; + + if (dpyinfo->xkb_desc) + { + if (!(nbytes = XkbTranslateKeySym (dpyinfo->display, &sym, + state & ~mods_rtrn, copy_bufptr, + copy_bufsiz, &overflow))) + goto XI_OTHER; + } + else +#else + { + block_input (); + char *str = XKeysymToString (keysym); + if (!str) + { + unblock_input (); + goto XI_OTHER; + } + nbytes = strlen (str) + 1; + copy_bufptr = alloca (nbytes); + strcpy (copy_bufptr, str); + unblock_input (); + } +#endif +#ifdef HAVE_XKB + if (overflow) + { + overflow = 0; + copy_bufptr = alloca (copy_bufsiz + overflow); + keysym = sym; + if (!(nbytes = XkbTranslateKeySym (dpyinfo->display, &sym, + state & ~mods_rtrn, copy_bufptr, + copy_bufsiz + overflow, &overflow))) + goto XI_OTHER; + + if (overflow) + goto XI_OTHER; + } +#endif + + for (i = 0, nchars = 0; i < nbytes; i++) + { + if (ASCII_CHAR_P (copy_bufptr[i])) + nchars++; + STORE_KEYSYM_FOR_DEBUG (copy_bufptr[i]); + } + + if (nchars < nbytes) + { + /* Decode the input data. */ + + setup_coding_system (Vlocale_coding_system, &coding); + coding.src_multibyte = false; + coding.dst_multibyte = true; + /* The input is converted to events, thus we can't + handle composition. Anyway, there's no XIM that + gives us composition information. */ + coding.common_flags &= ~CODING_ANNOTATION_MASK; + + SAFE_NALLOCA (coding.destination, MAX_MULTIBYTE_LENGTH, + nbytes); + coding.dst_bytes = MAX_MULTIBYTE_LENGTH * nbytes; + coding.mode |= CODING_MODE_LAST_BLOCK; + decode_coding_c_string (&coding, (unsigned char *) copy_bufptr, nbytes, Qnil); + nbytes = coding.produced; + nchars = coding.produced_char; + copy_bufptr = (char *) coding.destination; + } + + copy_ubufptr = (unsigned char *) copy_bufptr; + + /* Convert the input data to a sequence of + character events. */ + for (i = 0; i < nbytes; i += len) + { + int ch; + if (nchars == nbytes) + ch = copy_ubufptr[i], len = 1; + else + ch = string_char_and_length (copy_ubufptr + i, &len); + inev.ie.kind = (SINGLE_BYTE_CHAR_P (ch) + ? ASCII_KEYSTROKE_EVENT + : MULTIBYTE_CHAR_KEYSTROKE_EVENT); + inev.ie.code = ch; + kbd_buffer_store_buffered_event (&inev, hold_quit); + } + + inev.ie.kind = NO_EVENT; + goto xi_done_keysym; + } + goto XI_OTHER; + } + case XI_KeyRelease: + x_display_set_last_user_time (dpyinfo, xev->time); + goto XI_OTHER; + case XI_PropertyEvent: + + default: + goto XI_OTHER; + } + xi_done_keysym: + if (must_free_data) + XFreeEventData (dpyinfo->display, &event->xcookie); + goto done_keysym; + XI_OTHER: + if (must_free_data) + XFreeEventData (dpyinfo->display, &event->xcookie); + goto OTHER; + } +#endif default: OTHER: @@ -13013,6 +13745,35 @@ #define NUM_ARGV 10 dpyinfo->supports_xdbe = true; #endif +#ifdef HAVE_XINPUT2 + dpyinfo->supports_xi2 = false; + int rc; + int major = 2; +#ifdef XI_BarrierHit /* XInput 2.3 */ + int minor = 3; +#elif defined XI_TouchBegin /* XInput 2.2 */ + int minor = 2; +#else /* Some old version of XI2 we're not interested in. */ + int minor = 0; +#endif + int fer, fee; + + if (XQueryExtension (dpyinfo->display, "XInputExtension", + &dpyinfo->xi2_opcode, &fer, &fee)) + { + rc = XIQueryVersion (dpyinfo->display, &major, &minor); + if (rc == Success) + dpyinfo->supports_xi2 = true; + } + dpyinfo->xi2_version = minor; +#endif + +#ifdef HAVE_XKB + dpyinfo->xkb_desc = XkbGetMap (dpyinfo->display, + XkbAllComponentsMask, + XkbUseCoreKbd); +#endif + #if defined USE_CAIRO || defined HAVE_XFT { /* If we are using Xft, the following precautions should be made: @@ -13445,6 +14206,10 @@ x_delete_terminal (struct terminal *terminal) XrmDestroyDatabase (dpyinfo->rdb); #endif +#ifdef HAVE_XKB + if (dpyinfo->xkb_desc) + XkbFreeKeyboard (dpyinfo->xkb_desc, XkbAllComponentsMask, True); +#endif #ifdef USE_GTK xg_display_close (dpyinfo->display); #else @@ -13604,9 +14369,12 @@ x_initialize (void) void init_xterm (void) { - /* Emacs can handle only core input events, so make sure - Gtk doesn't use Xinput or Xinput2 extensions. */ +#ifndef HAVE_XINPUT2 + /* Emacs can handle only core input events when built without XI2 + support, so make sure Gtk doesn't use Xinput or Xinput2 + extensions. */ xputenv ("GDK_CORE_DEVICE_EVENTS=1"); +#endif } #endif diff --git a/src/xterm.h b/src/xterm.h index de6ea50385..6d5f28c76e 100644 --- a/src/xterm.h +++ b/src/xterm.h @@ -88,6 +88,10 @@ #define XSync(d, b) do { gdk_window_process_all_updates (); \ #include #endif +#ifdef HAVE_XKB +#include +#endif + #include "dispextern.h" #include "termhooks.h" @@ -474,6 +478,16 @@ #define MAX_CLIP_RECTS 2 #ifdef HAVE_XDBE bool supports_xdbe; #endif + +#ifdef HAVE_XINPUT2 + bool supports_xi2; + int xi2_version; + int xi2_opcode; +#endif + +#ifdef HAVE_XKB + XkbDescPtr xkb_desc; +#endif }; #ifdef HAVE_X_I18N -- 2.31.1 --=-=-=--