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Diffstat (limited to '')
| -rw-r--r-- | .gitignore | 1 | ||||
| -rw-r--r-- | COPYING | 339 | ||||
| -rw-r--r-- | Makefile | 25 | ||||
| -rw-r--r-- | README.md | 39 | ||||
| -rw-r--r-- | kwin-type.1 | 56 | ||||
| -rw-r--r-- | kwin-type.c | 188 |
6 files changed, 648 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..f11683a --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/kwin-type @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. By contrast, the GNU General Public +License is intended to guarantee your freedom to share and change free +software--to make sure the software is free for all its users. This +General Public License applies to most of the Free Software +Foundation's software and to any other program whose authors commit to +using it. (Some other Free Software Foundation software is covered by +the GNU Lesser General Public License instead.) You can apply it to +your programs, too. + + When we speak of free software, we are referring to freedom, not +price. Our General Public Licenses are designed to make sure that you +have the freedom to distribute copies of free software (and charge for +this service if you wish), that you receive source code or can get it +if you want it, that you can change the software or use pieces of it +in new free programs; and that you know you can do these things. + + To protect your rights, we need to make restrictions that forbid +anyone to deny you these rights or to ask you to surrender the rights. +These restrictions translate to certain responsibilities for you if you +distribute copies of the software, or if you modify it. + + For example, if you distribute copies of such a program, whether +gratis or for a fee, you must give the recipients all the rights that +you have. You must make sure that they, too, receive or can get the +source code. And you must show them these terms so they know their +rights. + + We protect your rights with two steps: (1) copyright the software, and +(2) offer you this license which gives you legal permission to copy, +distribute and/or modify the software. + + Also, for each author's protection and ours, we want to make certain +that everyone understands that there is no warranty for this free +software. If the software is modified by someone else and passed on, we +want its recipients to know that what they have is not the original, so +that any problems introduced by others will not reflect on the original +authors' reputations. + + Finally, any free program is threatened constantly by software +patents. We wish to avoid the danger that redistributors of a free +program will individually obtain patent licenses, in effect making the +program proprietary. To prevent this, we have made it clear that any +patent must be licensed for everyone's free use or not licensed at all. + + The precise terms and conditions for copying, distribution and +modification follow. + + GNU GENERAL PUBLIC LICENSE + TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION + + 0. This License applies to any program or other work which contains +a notice placed by the copyright holder saying it may be distributed +under the terms of this General Public License. The "Program", below, +refers to any such program or work, and a "work based on the Program" +means either the Program or any derivative work under copyright law: +that is to say, a work containing the Program or a portion of it, +either verbatim or with modifications and/or translated into another +language. (Hereinafter, translation is included without limitation in +the term "modification".) Each licensee is addressed as "you". + +Activities other than copying, distribution and modification are not +covered by this License; they are outside its scope. The act of +running the Program is not restricted, and the output from the Program +is covered only if its contents constitute a work based on the +Program (independent of having been made by running the Program). +Whether that is true depends on what the Program does. + + 1. You may copy and distribute verbatim copies of the Program's +source code as you receive it, in any medium, provided that you +conspicuously and appropriately publish on each copy an appropriate +copyright notice and disclaimer of warranty; keep intact all the +notices that refer to this License and to the absence of any warranty; +and give any other recipients of the Program a copy of this License +along with the Program. + +You may charge a fee for the physical act of transferring a copy, and +you may at your option offer warranty protection in exchange for a fee. + + 2. You may modify your copy or copies of the Program or any portion +of it, thus forming a work based on the Program, and copy and +distribute such modifications or work under the terms of Section 1 +above, provided that you also meet all of these conditions: + + a) You must cause the modified files to carry prominent notices + stating that you changed the files and the date of any change. + + b) You must cause any work that you distribute or publish, that in + whole or in part contains or is derived from the Program or any + part thereof, to be licensed as a whole at no charge to all third + parties under the terms of this License. + + c) If the modified program normally reads commands interactively + when run, you must cause it, when started running for such + interactive use in the most ordinary way, to print or display an + announcement including an appropriate copyright notice and a + notice that there is no warranty (or else, saying that you provide + a warranty) and that users may redistribute the program under + these conditions, and telling the user how to view a copy of this + License. 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But when you +distribute the same sections as part of a whole which is a work based +on the Program, the distribution of the whole must be on the terms of +this License, whose permissions for other licensees extend to the +entire whole, and thus to each and every part regardless of who wrote it. + +Thus, it is not the intent of this section to claim rights or contest +your rights to work written entirely by you; rather, the intent is to +exercise the right to control the distribution of derivative or +collective works based on the Program. + +In addition, mere aggregation of another work not based on the Program +with the Program (or with a work based on the Program) on a volume of +a storage or distribution medium does not bring the other work under +the scope of this License. + + 3. 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For software which is copyrighted by the Free +Software Foundation, write to the Free Software Foundation; we sometimes +make exceptions for this. Our decision will be guided by the two goals +of preserving the free status of all derivatives of our free software and +of promoting the sharing and reuse of software generally. + + NO WARRANTY + + 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY +FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN +OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES +PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED +OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS +TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE +PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, +REPAIR OR CORRECTION. + + 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR +REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING +OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED +TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY +YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER +PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE +POSSIBILITY OF SUCH DAMAGES. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +convey the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + <one line to give the program's name and a brief idea of what it does.> + Copyright (C) <year> <name of author> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + +Also add information on how to contact you by electronic and paper mail. + +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: + + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + <signature of Ty Coon>, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..4362be1 --- /dev/null +++ b/Makefile @@ -0,0 +1,25 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2026 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. + +PKG_CONFIG ?= pkg-config +PREFIX ?= /usr +DESTDIR ?= +BINDIR ?= $(PREFIX)/bin +MANDIR ?= $(PREFIX)/share/man + +CFLAGS ?= -O2 -march=native +CFLAGS += -std=gnu23 -Wall -Wextra +PACKAGES := 'wayland-client >= 1.23' 'xkbcommon >= 1.0' +CFLAGS += $(shell $(PKG_CONFIG) --cflags $(PACKAGES)) +LDLIBS += $(shell $(PKG_CONFIG) --libs $(PACKAGES)) + +kwin-type: + +clean: + $(RM) kwin-type + +install: kwin-type + @install -v -d "$(DESTDIR)$(BINDIR)" && install -v -m 0755 kwin-type "$(DESTDIR)$(BINDIR)/kwin-type" + @install -v -d "$(DESTDIR)$(MANDIR)/man1" && install -v -m 0644 kwin-type.1 "$(DESTDIR)$(MANDIR)/man1/kwin-type.1" + +.PHONY: clean install diff --git a/README.md b/README.md new file mode 100644 index 0000000..2521691 --- /dev/null +++ b/README.md @@ -0,0 +1,39 @@ +# kwin-type +#### by Jason A. Donenfeld ([Jason@zx2c4.com](mailto:Jason@zx2c4.com)) + +Autotype text from stdin, on KDE's KWin Wayland compositor. + +## Building + +``` +$ make +``` + +Building requires wayland-client ≥ 1.23 and xkbcommon ≥ 1.0. Running requires kwin ≥ 6.8 and a libc with C.UTF-8 support. + +## Installing + +``` +# make install +``` + +This command takes into account several environment variables: + + * `PREFIX` default: `/usr` + * `DESTDIR` default: + * `BINDIR` default: `$(PREFIX)/bin` + * `MANDIR` default: `$(PREFIX)/share/man` + * `PKG_CONFIG` default: `pkg-config` + +## Usage + +```bash +$ printf 'Hello, world!\n' | kwin-type +$ kwin-type < text.txt +``` + +See the [man page](kwin-type.1) for more information. + +## License + +This project is released under the [GPLv2](COPYING). diff --git a/kwin-type.1 b/kwin-type.1 new file mode 100644 index 0000000..3a51a4a --- /dev/null +++ b/kwin-type.1 @@ -0,0 +1,56 @@ +.\" SPDX-License-Identifier: GPL-2.0 +.\" Copyright (C) 2026 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. + +.TH KWIN-TYPE 1 "2026 October 26" ZX2C4 "kwin-type" + +.SH NAME +kwin-type \- type text from standard input using KWin + +.SH SYNOPSIS +.B kwin-type + +.SH DESCRIPTION + +.B kwin-type +reads UTF-8 text from standard input and types it into the focused application +using KWin's fake input protocol. It takes no command-line arguments. + +Each character is sent as a key press and release. Newlines are sent as Enter +key presses. If caps lock is enabled, it is temporarily disabled and restored +on exit. + +The compositor must provide version 6 or later of +.I org_kde_kwin_fake_input +and version 1 or later of +.IR org_kde_kwin_keystate . + +.SH EXAMPLES + +Type the contents of a file into the focused application: + +\fB $ kwin-type < text.txt\fP + +Type a line of text, followed by Enter: + +\fB $ printf \(aqHello, world!\en\(aq | kwin-type\fP + +Wait two seconds before typing, allowing time to focus another window: + +\fB $ sleep 2; kwin-type < text.txt\fP + +.SH EXIT STATUS + +.B kwin-type +exits with status 0 on success, 1 on error, or 128 plus the signal number when +interrupted by SIGINT, SIGTERM, or SIGHUP. + +.SH AUTHOR +.B kwin-type +was written by +.MT Jason@zx2c4.com +Jason A. Donenfeld +.ME . +For updates and more information, a project page is available on the +.UR https://\:git.zx2c4.com/\:kwin-type/\:about/ +World Wide Web +.UE . diff --git a/kwin-type.c b/kwin-type.c new file mode 100644 index 0000000..00f2369 --- /dev/null +++ b/kwin-type.c @@ -0,0 +1,188 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2026 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. + */ + +#define _GNU_SOURCE +#include <err.h> +#include <locale.h> +#include <signal.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <time.h> +#include <wchar.h> +#include <wayland-client.h> +#include <xkbcommon/xkbcommon.h> + +#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) + +/* https://invent.kde.org/libraries/plasma-wayland-protocols/-/blob/master/src/protocols/fake-input.xml */ +static const struct wl_message input_methods[] = { + { "authenticate", "ss", NULL }, + { "pointer_motion", "ff", NULL }, + { "button", "uu", NULL }, + { "axis", "uf", NULL }, + { "touch_down", "2uff", NULL }, + { "touch_motion", "2uff", NULL }, + { "touch_up", "2u", NULL }, + { "touch_cancel", "2", NULL }, + { "touch_frame", "2", NULL }, + { "pointer_motion_absolute", "3ff", NULL }, + { "keyboard_key", "4uu", NULL }, + { "destroy", "5", NULL }, + { "keyboard_keysym", "6uu", NULL }, +}; +static const struct wl_interface input_interface = { "org_kde_kwin_fake_input", 6, ARRAY_SIZE(input_methods), input_methods, 0, NULL }; + +/* https://invent.kde.org/libraries/plasma-wayland-protocols/-/blob/master/src/protocols/keystate.xml */ +static const struct wl_message state_methods[] = { { "fetchStates", "", NULL } }; +static const struct wl_message state_events[] = { { "stateChanged", "uu", NULL } }; +static const struct wl_interface state_interface = { "org_kde_kwin_keystate", 1, ARRAY_SIZE(state_methods), state_methods, ARRAY_SIZE(state_events), state_events }; +enum { AUTHENTICATE = 0, KEY = 10, DESTROY = 11, KEYSYM = 12 }; +enum { RELEASED = 0, PRESSED = 1, CAPS_LOCK_KEY = 58 }; + +static volatile sig_atomic_t interrupted; + +static void on_signal(int signo) +{ + interrupted = signo; +} + +static void state_changed(void *data, struct wl_proxy *, uint32_t key, uint32_t state) +{ + bool **caps = data; + if (key == 0) { + *caps[0] = true; + *caps[1] = state != 0; + } +} + +static void registry_global(void *data, struct wl_registry *, uint32_t name, const char *interface, uint32_t version) +{ + uint32_t **names = data; + if (!strcmp(interface, input_interface.name) && version >= (uint32_t)input_interface.version) + *names[0] = name; + else if (!strcmp(interface, state_interface.name)) + *names[1] = name; +} + +static void registry_global_remove(void *, struct wl_registry *, uint32_t) +{ +} + +static void type_key(struct wl_proxy *input, uint32_t request, uint32_t key) +{ + wl_proxy_marshal_flags(input, request, NULL, input_interface.version, 0, key, PRESSED); + wl_proxy_marshal_flags(input, request, NULL, input_interface.version, 0, key, RELEASED); +} + +int main(int argc, char **argv) +{ + bool caps_known = false, caps_locked = false, restore_caps = false, ret = false; + uint32_t input_name = 0, keystate_name = 0; + struct wl_proxy *input, *keystate; + struct wl_registry *registry; + struct wl_display *display; + xkb_keysym_t keysym; + wint_t cp; + + if (argc != 1) + errx(1, "usage: %s < text.txt", argv[0]); + if (!setlocale(LC_CTYPE, "C.UTF-8")) + errx(1, "cannot select C.UTF-8 locale"); + if (sigaction(SIGINT, &(struct sigaction){ .sa_handler = on_signal }, NULL) < 0 || + sigaction(SIGTERM, &(struct sigaction){ .sa_handler = on_signal }, NULL) < 0 || + sigaction(SIGHUP, &(struct sigaction){ .sa_handler = on_signal }, NULL) < 0) { + warn("installing signal handlers"); + goto err; + } + + display = wl_display_connect(NULL); + if (!display) { + warn("cannot connect to display"); + goto err; + } + registry = wl_display_get_registry(display); + if (!registry) { + warn("getting registry"); + goto err_display; + } + wl_registry_add_listener(registry, + &(const struct wl_registry_listener){ registry_global, registry_global_remove }, + (uint32_t *[]){ &input_name, &keystate_name }); + if (wl_display_roundtrip(display) < 0) { + warn("synchronizing display"); + goto err_registry; + } + if (!input_name || !keystate_name) { + warnx("%s-v%d and %s-v%d protocols are required", + input_interface.name, input_interface.version, state_interface.name, state_interface.version); + goto err_registry; + } + keystate = wl_registry_bind(registry, keystate_name, &state_interface, state_interface.version); + if (!keystate) { + warn("binding key-state interface"); + goto err_registry; + } + wl_proxy_add_listener(keystate, + (void (*[])(void)){ (void (*)(void))state_changed }, + (bool *[]){ &caps_known, &caps_locked }); + input = wl_registry_bind(registry, input_name, &input_interface, input_interface.version); + if (!input) { + warn("binding fake-input interface"); + goto err_keystate; + } + wl_proxy_marshal_flags(input, AUTHENTICATE, NULL, input_interface.version, 0, "kwin-type", "Type text from stdin"); + wl_proxy_marshal_flags(keystate, 0, NULL, state_interface.version, 0); + if (wl_display_roundtrip(display) < 0) { + warn("synchronizing display"); + goto err_input; + } + if (!caps_known) { + warnx("cannot read caps lock state"); + goto err_input; + } + + /* Chrome has some complicated keyboard refreshing logic. We could patch upstream kwin to + * hack around it, or fix Chrome itself, but it's probably easier to just delay briefly + * here. Probably other things will benefit from this hack too. Oh well. */ + nanosleep(&(struct timespec){ .tv_nsec = 100000000 }, NULL); + + if (interrupted) + goto err_input; + if (caps_locked) { + restore_caps = true; + type_key(input, KEY, CAPS_LOCK_KEY); + } + + while (!interrupted && (cp = fgetwc(stdin)) != WEOF) { + if (interrupted) + break; + keysym = xkb_utf32_to_keysym(cp); + if (keysym == XKB_KEY_Linefeed) + keysym = XKB_KEY_Return; + type_key(input, KEYSYM, keysym); + } + if (!interrupted && ferror(stdin)) + warn("reading stdin"); + else + ret = true; + +err_input: + if (restore_caps) + type_key(input, KEY, CAPS_LOCK_KEY); + wl_proxy_marshal_flags(input, DESTROY, NULL, input_interface.version, WL_MARSHAL_FLAG_DESTROY); + if (wl_display_roundtrip(display) < 0) { + warn("synchronizing display"); + ret = false; + } +err_keystate: + wl_proxy_destroy(keystate); +err_registry: + wl_registry_destroy(registry); +err_display: + wl_display_disconnect(display); +err: + return interrupted ? (128 + interrupted) : (ret ? 0 : 1); +} |