├── .gitignore ├── Cargo.toml ├── LICENSE ├── README.md ├── ironmime.service └── src ├── command.rs ├── interface.rs ├── main.rs ├── parser.rs └── reader.rs /.gitignore: -------------------------------------------------------------------------------- 1 | /target 2 | Cargo.lock -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "ironmime" 3 | version = "0.2.0" 4 | edition = "2021" 5 | 6 | [dependencies] 7 | input = "0.9.0" 8 | libc = "0.2.155" 9 | fork = "0.1.23" -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # IronMime 2 | 3 | IronMime is a Linux daemon to bind touchpad gestures to shell commands. 4 | 5 | # Index 6 | - [Installation](https://github.com/cyber-sushi/ironmime/tree/main#installation) 7 | - [Building from source](https://github.com/cyber-sushi/ironmime/tree/main#building-from-source) 8 | - [Running IronMime](https://github.com/cyber-sushi/ironmime/tree/main#running-ironmime) 9 | - [Configuration](https://github.com/cyber-sushi/ironmime/tree/main#configuration) 10 | - [Troubleshooting](https://github.com/cyber-sushi/ironmime/tree/main#troubleshooting) 11 | 12 | ## Installation 13 | To install IronMime, you can either download the executable from the [Releases page](https://github.com/cyber-sushi/ironmime/releases) or you can compile it from source using Cargo. 14 | #### Building from source 15 | 1. Install `rustup` using your distro's package manager or refer to the [official docs](https://www.rust-lang.org/tools/install) if your distro doesn't ship `rustup`. 16 | 2. Run `rustup default stable` which will automatically install Cargo (Rust's package manager) and the Rust toolchain. 17 | 3. Git clone and build with: 18 | ``` 19 | git clone https://github.com/cyber-sushi/ironmime 20 | cd ironmime 21 | cargo build --release 22 | ``` 23 | Once Cargo is done compiling, you should find IronMime's executable inside `~/ironmime/target/release/`. 24 | 25 | ## Running IronMime 26 | Make sure that the executable has permissions to run as a program with `chmod +x ironmime` or with Right Click > Properties > "allow executing as program" or something like that, depending on your file manager. 27 | 28 | To run IronMime, choose **one** of the following options: 29 | - **Run IronMime as a system service** 30 | - Move the executable into `/usr/bin`. 31 | - Grab `ironmime.service` from this repo and edit the `User=` line with your username. 32 | - Move the service file into `/etc/systemd/system`, then run `systemctl daemon-reload`. 33 | - Start and stop IronMime with `systemctl start/stop ironmime` or enable/disable it on startup with `systemctl enable/disable ironmime`. If you change the config file and you want the changes to take place, restart IronMime with `systemctl restart ironmime`. 34 | 35 | > [!NOTE] 36 | > When running as a systemd service, IronMime inherits your systemd user environment, not your shell environment (you can see it with `systemctl --user show-environment`).\ 37 | If you need to pass env variables to it, do so by adding them to the unit file with `Environment=VARIABLE=value`. 38 | 39 | - **Run IronMime without systemd** 40 | - Move the executable into `/usr/bin` or `~/.local/bin` (just make sure it's in `PATH`). 41 | - Add your user to the input group with `sudo usermod -aG input ` and reboot. 42 | - Call `ironmime` from a terminal, from a script or from your compositor's config file. 43 | 44 | > [!CAUTION] 45 | > Running IronMime this way requires your user to be in the input group, which might be a security risk because it allows all running applications to read your inputs. 46 | 47 | ## Configuration 48 | IronMime's config directory defaults to `$HOME/.config/ironmime/ironmime.conf` but it can be changed through the `IRONMIME_CONFIG` environment variable (if you run IronMime as a systemd service, add it directly to the systemd unit). 49 | 50 | The syntax to declare a gesture in the config file is the following: 51 | ``` 52 | = 53 | ``` 54 | There are three available gestures that you can use: `swipe`, `pinch` and `hold`. 55 | 56 | | Gesture | Directions | Fingers | 57 | | :--- | :---: | :---: | 58 | | `swipe` | `left` `right` `up` `down `| `3` `4` | 59 | | `pinch` | `in` `out` | `2` `3` `4` | 60 | | `hold` | `on` | `1` `2` `3` `4` | 61 | 62 | Examples: 63 | ``` 64 | # Move one workspace to the right on Hyprland 65 | swipe left 3 = hyprctl dispatch workspace +1 66 | # Move one workspace to the left on Hyprland 67 | swipe down 3 = hyprctl dispatch workspace -1 68 | # Inject Ctrl + Tab 69 | swipe left 4 = wtype -M ctrl -k Tab -m ctrl 70 | # Inject Ctrl + Shift + Tab 71 | swipe right 4 = wtype -M ctrl -M shift -k Tab -m shift -m ctrl 72 | # Close the active window on Hyprland 73 | swipe down 4 = hyprctl dispatch killactive 74 | # Send a notification that prints "ouch" 75 | pinch in 3 = notify-send "ouch" 76 | # Launch Nautilus 77 | pinch out 4 = nautilus 78 | # Take a screenshot 79 | hold on 4 = grim ~/Pictures/Screenshots/$(date +%s).png 80 | # Take a screenshot with area selector 81 | hold on 3 = grim -g "$(slurp)" -t png - | wl-copy -t image/png 82 | ``` 83 | IronMime can be used in combination with tools like [wtype](https://github.com/atx/wtype) or [xdotool](https://github.com/jordansissel/xdotool) to emulate keypresses and other actions. 84 | > [!WARNING] 85 | > Some gestures may already be bound to certain actions on your environment, e.g. `hold on 1` > Left Click, `pinch out 2` > Zoom in, etc. Look out for possible conflicts. 86 | 87 | > [!NOTE] 88 | > If you need to add comments to the config file, put them between the lines (like in the examples) and not at the end of the lines. 89 | 90 | ## Troubleshooting 91 | **Q**: SELinux prevents IronMime's system service from running, what do I do?\ 92 | **A**: Put `ironmime.service` inside `/usr/lib/systemd/system` instead of `/etc/systemd/system`, then run the following commands: 93 | - `sudo semanage fcontext -a -t bin_t "/usr/lib/systemd/system/ironmime.service"` 94 | - `sudo restorecon -v /usr/lib/systemd/system/ironmime.service` 95 | - `sudo semanage fcontext -a -t bin_t "/usr/bin/ironmime"` 96 | - `sudo restorecon -v /usr/bin/ironmime` 97 | -------------------------------------------------------------------------------- /ironmime.service: -------------------------------------------------------------------------------- 1 | [Unit] 2 | Description=IronMime daemon 3 | 4 | [Service] 5 | Type=simple 6 | Restart=always 7 | RestartSec=3 8 | ExecStart=/usr/bin/ironmime 9 | User= 10 | Group=input 11 | 12 | [Install] 13 | WantedBy=default.target -------------------------------------------------------------------------------- /src/command.rs: -------------------------------------------------------------------------------- 1 | use std::{collections::HashMap, process::{Command, Stdio}}; 2 | use fork::{fork, Fork, setsid}; 3 | use crate::parser::Gesture; 4 | 5 | 6 | pub fn run_command(gesture: Gesture, config: &(HashMap, bool), user: &String) { 7 | if config.1 { 8 | if let Some(command) = config.0.get(&gesture) { 9 | Command::new("sh") 10 | .arg("-c") 11 | .arg(format!("systemd-run --user -M {}@ {}", user, command)) 12 | .stdin(Stdio::null()) 13 | .stdout(Stdio::null()) 14 | .stderr(Stdio::null()) 15 | .spawn() 16 | .unwrap(); 17 | } 18 | } else { 19 | if let Some(command) = config.0.get(&gesture) { 20 | match fork() { 21 | Ok(Fork::Child) => { 22 | match fork() { 23 | Ok(Fork::Child) => { 24 | setsid().unwrap(); 25 | Command::new("sh") 26 | .args(["-c", command]) 27 | .stdin(Stdio::null()) 28 | .stdout(Stdio::null()) 29 | .stderr(Stdio::null()) 30 | .spawn() 31 | .unwrap(); 32 | std::process::exit(0); 33 | } 34 | Ok(Fork::Parent(_)) => std::process::exit(0), 35 | Err(_) => std::process::exit(1), 36 | } 37 | } 38 | Ok(Fork::Parent(_)) => (), 39 | Err(_) => std::process::exit(1), 40 | } 41 | } 42 | } 43 | } 44 | -------------------------------------------------------------------------------- /src/interface.rs: -------------------------------------------------------------------------------- 1 | use input::LibinputInterface; 2 | use libc::{O_RDONLY, O_RDWR, O_WRONLY}; 3 | use std::fs::{File, OpenOptions}; 4 | use std::os::unix::{fs::OpenOptionsExt, io::OwnedFd}; 5 | use std::path::Path; 6 | 7 | 8 | pub struct Interface; 9 | 10 | impl LibinputInterface for Interface { 11 | fn open_restricted(&mut self, path: &Path, flags: i32) -> Result { 12 | OpenOptions::new() 13 | .custom_flags(flags) 14 | .read((flags & O_RDONLY != 0) | (flags & O_RDWR != 0)) 15 | .write((flags & O_WRONLY != 0) | (flags & O_RDWR != 0)) 16 | .open(path) 17 | .map(|file| file.into()) 18 | .map_err(|err| err.raw_os_error().unwrap()) 19 | } 20 | fn close_restricted(&mut self, fd: OwnedFd) { 21 | drop(File::from(fd)); 22 | } 23 | } 24 | 25 | -------------------------------------------------------------------------------- /src/main.rs: -------------------------------------------------------------------------------- 1 | mod interface; 2 | mod reader; 3 | mod command; 4 | mod parser; 5 | 6 | use input::Libinput; 7 | use crate::interface::Interface; 8 | use crate::reader::Reader; 9 | 10 | 11 | fn main() { 12 | let mut input = Libinput::new_with_udev(Interface); 13 | input.udev_assign_seat("seat0").unwrap(); 14 | let mut reader = Reader::new(input); 15 | reader.start_loop(); 16 | } 17 | 18 | -------------------------------------------------------------------------------- /src/parser.rs: -------------------------------------------------------------------------------- 1 | use std::{collections::HashMap, process::{Command, exit}, str::FromStr, env, fs}; 2 | 3 | 4 | #[derive(Debug, PartialEq, Eq, Hash)] 5 | pub enum Direction { 6 | Left, 7 | Right, 8 | Up, 9 | Down, 10 | } 11 | 12 | impl FromStr for Direction { 13 | type Err = String; 14 | fn from_str(s: &str) -> Result { 15 | match s { 16 | "left" => Ok(Direction::Left), 17 | "right" => Ok(Direction::Right), 18 | "up" => Ok(Direction::Up), 19 | "down" => Ok(Direction::Down), 20 | _ => Err(s.to_string()), 21 | } 22 | } 23 | } 24 | 25 | #[derive(Debug, PartialEq, Eq, Hash)] 26 | pub enum Scale { 27 | In, 28 | Out, 29 | } 30 | 31 | impl FromStr for Scale { 32 | type Err = String; 33 | fn from_str(s: &str) -> Result { 34 | match s { 35 | "in" => Ok(Scale::In), 36 | "out" => Ok(Scale::Out), 37 | _ => Err(s.to_string()), 38 | } 39 | } 40 | } 41 | 42 | #[derive(Debug, PartialEq, Eq, Hash)] 43 | pub enum GestureType { 44 | Swipe(Direction), 45 | Pinch(Scale), 46 | Hold, 47 | } 48 | 49 | #[derive(Debug, PartialEq, Eq, Hash)] 50 | pub struct Gesture { 51 | pub gesture_type: GestureType, 52 | pub fingers: i32, 53 | } 54 | 55 | pub fn parse_config() -> (HashMap, bool) { 56 | let mut config_map: HashMap = HashMap::default(); 57 | let systemd = set_environment(); 58 | let path = if let Ok(var) = env::var("IRONMIME_CONFIG") { 59 | var 60 | } else { 61 | let home = env::var("HOME").unwrap(); 62 | format!("{}/.config/ironmime/ironmime.conf", home) 63 | }; 64 | println!("Reading config from {}.", path); 65 | let config = fs::read_to_string(path).expect("Config file not found."); 66 | for line in config.split("\n") { 67 | if let Some((gesture, command)) = line.split_once("=") { 68 | let parameters = gesture.split_whitespace().collect::>(); 69 | if parameters[0] == "swipe" { 70 | let gesture = Gesture { 71 | gesture_type: GestureType::Swipe(Direction::from_str(parameters[1]).unwrap()), 72 | fingers: parameters[2].parse::().expect("Finger number can only be an int.") 73 | }; 74 | let command = command.trim(); 75 | config_map.insert(gesture, command.to_string()); 76 | } else if parameters[0] == "pinch" { 77 | let gesture = Gesture { 78 | gesture_type: GestureType::Pinch(Scale::from_str(parameters[1]).unwrap()), 79 | fingers: parameters[2].parse::().expect("Finger number can only be an int.") 80 | }; 81 | let command = command.trim(); 82 | config_map.insert(gesture, command.to_string()); 83 | } else if parameters[0] == "hold" { 84 | let gesture = Gesture { 85 | gesture_type: GestureType::Hold, 86 | fingers: parameters[2].parse::().expect("Finger number can only be an int.") 87 | }; 88 | let command = command.trim(); 89 | config_map.insert(gesture, command.to_string()); 90 | } 91 | } 92 | } 93 | (config_map, systemd) 94 | } 95 | 96 | fn set_environment() -> bool { 97 | match env::var("DBUS_SESSION_BUS_ADDRESS") { 98 | Ok(_) => { 99 | println!("Running with user privileges."); 100 | let groups = Command::new("groups").output().unwrap(); 101 | if !std::str::from_utf8(&groups.stdout.as_slice()).unwrap().contains("input") { 102 | println!("IronMime has no access to libinput. Run IronMime as a system service or add your user to the input group.\n\ 103 | Exiting IronMime."); 104 | exit(0) 105 | } 106 | copy_variables() 107 | }, 108 | Err(_) => { 109 | println!("Running as a system service."); 110 | let uid = Command::new("sh").arg("-c").arg("id -u").output().unwrap(); 111 | let uid_number = std::str::from_utf8(uid.stdout.as_slice()).unwrap().trim(); 112 | if uid_number != "0" { 113 | let bus_address = format!("unix:path=/run/user/{}/bus", uid_number); 114 | env::set_var("DBUS_SESSION_BUS_ADDRESS", bus_address); 115 | copy_variables() 116 | } else { 117 | println!("Warning: unable to inherit user environment.\n\ 118 | Make sure that your systemd unit is running with the 'User=' parameter.\n\ 119 | Exiting IronMime."); 120 | exit(0) 121 | } 122 | }, 123 | } 124 | } 125 | 126 | fn copy_variables() -> bool { 127 | if let Ok(command) = Command::new("sh").arg("-c").arg("systemctl --user show-environment").output() { 128 | let vars = std::str::from_utf8(command.stdout.as_slice()).unwrap().split("\n").collect::>(); 129 | for var in vars { 130 | if let Some((variable, value)) = var.split_once("=") { 131 | if let Err(env::VarError::NotPresent) = env::var(variable) { 132 | env::set_var(variable, value); 133 | } else if variable == "PATH" { 134 | env::set_var("PATH", format!("{}:{}", value, env::var("PATH").unwrap())); 135 | } 136 | } 137 | } 138 | if let (Err(env::VarError::NotPresent), Ok(_)) = (env::var("XDG_SESSION_TYPE"), env::var("WAYLAND_DISPLAY")) { 139 | env::set_var("XDG_SESSION_TYPE", "wayland") 140 | } else if let (Err(env::VarError::NotPresent), Err(env::VarError::NotPresent)) = (env::var("DISPLAY"), env::var("WAYLAND_DISPLAY")) { 141 | println!("Unable to detect display. Is your Wayland compositor or X server running?"); 142 | exit(0) 143 | } 144 | true 145 | } else { 146 | false 147 | } 148 | } 149 | -------------------------------------------------------------------------------- /src/reader.rs: -------------------------------------------------------------------------------- 1 | use input::{Event, Libinput, event::gesture::{GestureEvent, GestureEventTrait, GestureEndEvent, GestureSwipeEvent, GesturePinchEvent, GestureHoldEvent, GestureEventCoordinates, GesturePinchEventTrait}}; 2 | use std::{collections::HashMap, env, thread, time}; 3 | use crate::command::*; 4 | use crate::parser::{Direction, Scale, Gesture, GestureType, parse_config}; 5 | 6 | 7 | #[derive(Debug, Default)] 8 | struct Coords { 9 | x: f64, 10 | y: f64, 11 | } 12 | 13 | pub struct Reader { 14 | input: Libinput, 15 | coords: Coords, 16 | config: (HashMap, bool), 17 | } 18 | 19 | impl Reader { 20 | pub fn new(input: Libinput) -> Self { 21 | Self { 22 | input, 23 | coords: Coords::default(), 24 | config: parse_config(), 25 | } 26 | } 27 | 28 | fn reset_coords(&mut self) { 29 | self.coords = Coords::default(); 30 | } 31 | 32 | pub fn start_loop(&mut self) { 33 | let user = env::var("USER").unwrap(); 34 | loop { 35 | thread::sleep(time::Duration::from_millis(1)); 36 | self.input.dispatch().unwrap(); 37 | while let Some(Event::Gesture(event)) = self.input.next() { 38 | match event { 39 | GestureEvent::Swipe(ref gesture_event) => { 40 | match gesture_event { 41 | GestureSwipeEvent::Begin(_) => { 42 | self.reset_coords(); 43 | }, 44 | GestureSwipeEvent::Update(update_event) => { 45 | self.coords.x += update_event.dx(); 46 | self.coords.y += update_event.dy(); 47 | }, 48 | GestureSwipeEvent::End(end_event) => { 49 | if !end_event.cancelled() { 50 | let direction = if self.coords.x.abs() > self.coords.y.abs() { 51 | if self.coords.x > 0.0 { 52 | Direction::Right 53 | } else { 54 | Direction::Left 55 | } 56 | } else { 57 | if self.coords.y > 0.0 { 58 | Direction::Down 59 | } else { 60 | Direction::Up 61 | } 62 | }; 63 | let gesture = Gesture { 64 | gesture_type: GestureType::Swipe(direction), 65 | fingers: end_event.finger_count(), 66 | }; 67 | run_command(gesture, &self.config, &user); 68 | } 69 | }, 70 | _ => {}, 71 | } 72 | }, 73 | GestureEvent::Pinch(ref gesture_event) => { 74 | match gesture_event { 75 | GesturePinchEvent::Begin(_) => { 76 | self.reset_coords(); 77 | }, 78 | GesturePinchEvent::End(end_event) => { 79 | if !end_event.cancelled() { 80 | let scale = if end_event.scale() > 1.0 { 81 | Scale::Out 82 | } else { 83 | Scale::In 84 | }; 85 | let gesture = Gesture { 86 | gesture_type: GestureType::Pinch(scale), 87 | fingers: end_event.finger_count(), 88 | }; 89 | run_command(gesture, &self.config, &user); 90 | } 91 | }, 92 | _ => {}, 93 | } 94 | }, 95 | GestureEvent::Hold(ref gesture_event) => { 96 | match gesture_event { 97 | GestureHoldEvent::Begin(_) => { 98 | self.reset_coords(); 99 | } 100 | GestureHoldEvent::End(end_event) => { 101 | if !end_event.cancelled() { 102 | let gesture = Gesture { 103 | gesture_type: GestureType::Hold, 104 | fingers: end_event.finger_count(), 105 | }; 106 | run_command(gesture, &self.config, &user); 107 | } 108 | }, 109 | _ => {}, 110 | } 111 | }, 112 | _ => {}, 113 | } 114 | } 115 | } 116 | } 117 | } 118 | 119 | --------------------------------------------------------------------------------