Jonas Kruckenberg
2 years ago
committed by
GitHub
commit
4b098fb518
@ -0,0 +1,33 @@
|
||||
[package]
|
||||
name = "tauri-plugin-single-instance"
|
||||
version = "0.1.0"
|
||||
description = "Ensure a single instance of your tauri app is running."
|
||||
authors.workspace = true
|
||||
license.workspace = true
|
||||
edition.workspace = true
|
||||
rust-version.workspace = true
|
||||
exclude = ["/examples"]
|
||||
|
||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
||||
|
||||
[dependencies]
|
||||
serde.workspace = true
|
||||
serde_json.workspace = true
|
||||
tauri.workspace = true
|
||||
log.workspace = true
|
||||
thiserror.workspace = true
|
||||
|
||||
[target.'cfg(target_os = "windows")'.dependencies.windows-sys]
|
||||
version = "0.42"
|
||||
features = [
|
||||
"Win32_System_Threading",
|
||||
"Win32_System_DataExchange",
|
||||
"Win32_Foundation",
|
||||
"Win32_UI_WindowsAndMessaging",
|
||||
"Win32_Security",
|
||||
"Win32_System_LibraryLoader",
|
||||
"Win32_Graphics_Gdi",
|
||||
]
|
||||
|
||||
[target.'cfg(target_os = "linux")'.dependencies]
|
||||
zbus = "3"
|
||||
@ -0,0 +1,20 @@
|
||||
SPDXVersion: SPDX-2.1
|
||||
DataLicense: CC0-1.0
|
||||
PackageName: tauri
|
||||
DataFormat: SPDXRef-1
|
||||
PackageSupplier: Organization: The Tauri Programme in the Commons Conservancy
|
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PackageHomePage: https://tauri.app
|
||||
PackageLicenseDeclared: Apache-2.0
|
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PackageLicenseDeclared: MIT
|
||||
PackageCopyrightText: 2019-2022, The Tauri Programme in the Commons Conservancy
|
||||
PackageSummary: <text>Tauri is a rust project that enables developers to make secure
|
||||
and small desktop applications using a web frontend.
|
||||
</text>
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||||
PackageComment: <text>The package includes the following libraries; see
|
||||
Relationship information.
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||||
</text>
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||||
Created: 2019-05-20T09:00:00Z
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PackageDownloadLocation: git://github.com/tauri-apps/tauri
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PackageDownloadLocation: git+https://github.com/tauri-apps/tauri.git
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PackageDownloadLocation: git+ssh://github.com/tauri-apps/tauri.git
|
||||
Creator: Person: Daniel Thompson-Yvetot
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@ -0,0 +1,177 @@
|
||||
|
||||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
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|
||||
1. Definitions.
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|
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"License" shall mean the terms and conditions for use, reproduction,
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Notwithstanding the above, nothing herein shall supersede or modify
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END OF TERMS AND CONDITIONS
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@ -0,0 +1,21 @@
|
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MIT License
|
||||
|
||||
Copyright (c) 2017 - Present The Tauri Programme in the Commons Conservancy
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
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SOFTWARE.
|
||||
@ -0,0 +1,57 @@
|
||||
|
||||
|
||||
Ensure a single instance of your tauri app is running.
|
||||
|
||||
## Install
|
||||
|
||||
There are three general methods of installation that we can recommend.
|
||||
|
||||
1. Use crates.io and npm (easiest, and requires you to trust that our publishing pipeline worked)
|
||||
2. Pull sources directly from Github using git tags / revision hashes (most secure)
|
||||
3. Git submodule install this repo in your tauri project and then use file protocol to ingest the source (most secure, but inconvenient to use)
|
||||
|
||||
Install the Core plugin by adding the following to your `Cargo.toml` file:
|
||||
|
||||
`src-tauri/Cargo.toml`
|
||||
|
||||
```toml
|
||||
[dependencies]
|
||||
tauri-plugin-single-instance = { git = "https://github.com/tauri-apps/plugins-workspace", branch = "dev" }
|
||||
```
|
||||
|
||||
## Usage
|
||||
|
||||
First you need to register the core plugin with Tauri:
|
||||
|
||||
`src-tauri/src/main.rs`
|
||||
|
||||
```rust
|
||||
use tauri::{Manager};
|
||||
|
||||
#[derive(Clone, serde::Serialize)]
|
||||
struct Payload {
|
||||
args: Vec<String>,
|
||||
cwd: String,
|
||||
}
|
||||
|
||||
fn main() {
|
||||
tauri::Builder::default()
|
||||
.plugin(auri_plugin_single_instance::init(|app, argv, cwd| {
|
||||
println!("{}, {argv:?}, {cwd}", app.package_info().name);
|
||||
|
||||
app.emit_all("single-instance", Payload { args: argv, cwd }).unwrap();
|
||||
}))
|
||||
.run(tauri::generate_context!())
|
||||
.expect("error while running tauri application");
|
||||
}
|
||||
```
|
||||
|
||||
## Contributing
|
||||
|
||||
PRs accepted. Please make sure to read the Contributing Guide before making a pull request.
|
||||
|
||||
## License
|
||||
|
||||
Code: (c) 2015 - Present - The Tauri Programme within The Commons Conservancy.
|
||||
|
||||
MIT or MIT/Apache 2.0 where applicable.
|
||||
|
After Width: | Height: | Size: 46 KiB |
@ -0,0 +1 @@
|
||||
node_modules/
|
||||
@ -0,0 +1,14 @@
|
||||
{
|
||||
"name": "app",
|
||||
"version": "1.0.0",
|
||||
"description": "",
|
||||
"main": "index.js",
|
||||
"scripts": {
|
||||
"test": "echo \"Error: no test specified\" && exit 1"
|
||||
},
|
||||
"author": "",
|
||||
"license": "MIT",
|
||||
"dependencies": {
|
||||
"@tauri-apps/cli": "^1.0.0"
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,106 @@
|
||||
lockfileVersion: 5.4
|
||||
|
||||
specifiers:
|
||||
'@tauri-apps/cli': ^1.0.0
|
||||
|
||||
dependencies:
|
||||
'@tauri-apps/cli': 1.0.2
|
||||
|
||||
packages:
|
||||
|
||||
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|
||||
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|
||||
engines: {node: '>= 10'}
|
||||
cpu: [arm64]
|
||||
os: [darwin]
|
||||
requiresBuild: true
|
||||
dev: false
|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-darwin-x64/1.0.2:
|
||||
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||||
engines: {node: '>= 10'}
|
||||
cpu: [x64]
|
||||
os: [darwin]
|
||||
requiresBuild: true
|
||||
dev: false
|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-linux-arm-gnueabihf/1.0.2:
|
||||
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|
||||
engines: {node: '>= 10'}
|
||||
cpu: [arm]
|
||||
os: [linux]
|
||||
requiresBuild: true
|
||||
dev: false
|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-linux-arm64-gnu/1.0.2:
|
||||
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|
||||
engines: {node: '>= 10'}
|
||||
cpu: [arm64]
|
||||
os: [linux]
|
||||
requiresBuild: true
|
||||
dev: false
|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-linux-arm64-musl/1.0.2:
|
||||
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||||
engines: {node: '>= 10'}
|
||||
cpu: [arm64]
|
||||
os: [linux]
|
||||
requiresBuild: true
|
||||
dev: false
|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-linux-x64-gnu/1.0.2:
|
||||
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||||
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||||
cpu: [x64]
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||||
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|
||||
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|
||||
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|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-linux-x64-musl/1.0.2:
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||||
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engines: {node: '>= 10'}
|
||||
cpu: [x64]
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||||
os: [linux]
|
||||
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|
||||
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|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-win32-ia32-msvc/1.0.2:
|
||||
resolution: {integrity: sha512-ZvnaKkCABqUbyUKlNk4RdxKyfOte30D5BxN1pj6iZNeKAwXEuTcgP6iPzOovdeaDirkIjcWCEZymwtZDXN4Rvg==}
|
||||
engines: {node: '>= 10'}
|
||||
cpu: [ia32]
|
||||
os: [win32]
|
||||
requiresBuild: true
|
||||
dev: false
|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli-win32-x64-msvc/1.0.2:
|
||||
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|
||||
engines: {node: '>= 10'}
|
||||
cpu: [x64]
|
||||
os: [win32]
|
||||
requiresBuild: true
|
||||
dev: false
|
||||
optional: true
|
||||
|
||||
/@tauri-apps/cli/1.0.2:
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||||
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|
||||
engines: {node: '>= 10'}
|
||||
hasBin: true
|
||||
optionalDependencies:
|
||||
'@tauri-apps/cli-darwin-arm64': 1.0.2
|
||||
'@tauri-apps/cli-darwin-x64': 1.0.2
|
||||
'@tauri-apps/cli-linux-arm-gnueabihf': 1.0.2
|
||||
'@tauri-apps/cli-linux-arm64-gnu': 1.0.2
|
||||
'@tauri-apps/cli-linux-arm64-musl': 1.0.2
|
||||
'@tauri-apps/cli-linux-x64-gnu': 1.0.2
|
||||
'@tauri-apps/cli-linux-x64-musl': 1.0.2
|
||||
'@tauri-apps/cli-win32-ia32-msvc': 1.0.2
|
||||
'@tauri-apps/cli-win32-x64-msvc': 1.0.2
|
||||
dev: false
|
||||
@ -0,0 +1,5 @@
|
||||
<html>
|
||||
<body>
|
||||
<div>Plugin example</div>
|
||||
</body>
|
||||
</html>
|
||||
@ -0,0 +1,4 @@
|
||||
# Generated by Cargo
|
||||
# will have compiled files and executables
|
||||
/target/
|
||||
WixTools
|
||||
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,21 @@
|
||||
[package]
|
||||
name = "app"
|
||||
version = "0.1.0"
|
||||
description = "A Tauri App"
|
||||
authors = [ "You" ]
|
||||
repository = ""
|
||||
edition = "2021"
|
||||
rust-version = "1.57"
|
||||
|
||||
[dependencies]
|
||||
serde_json = "1.0"
|
||||
serde = { version = "1.0", features = [ "derive" ] }
|
||||
tauri = { version = "1", features = ["api-all"] }
|
||||
tauri-plugin-single-instance = { path = "../../../" }
|
||||
|
||||
[build-dependencies]
|
||||
tauri-build = { version = "1", features = [] }
|
||||
|
||||
[features]
|
||||
default = [ "custom-protocol" ]
|
||||
custom-protocol = [ "tauri/custom-protocol" ]
|
||||
@ -0,0 +1,3 @@
|
||||
fn main() {
|
||||
tauri_build::build()
|
||||
}
|
||||
|
After Width: | Height: | Size: 3.4 KiB |
|
After Width: | Height: | Size: 6.8 KiB |
|
After Width: | Height: | Size: 974 B |
Binary file not shown.
|
After Width: | Height: | Size: 85 KiB |
|
After Width: | Height: | Size: 14 KiB |
@ -0,0 +1,14 @@
|
||||
max_width = 100
|
||||
hard_tabs = false
|
||||
tab_spaces = 2
|
||||
newline_style = "Auto"
|
||||
use_small_heuristics = "Default"
|
||||
reorder_imports = true
|
||||
reorder_modules = true
|
||||
remove_nested_parens = true
|
||||
edition = "2021"
|
||||
merge_derives = true
|
||||
use_try_shorthand = false
|
||||
use_field_init_shorthand = false
|
||||
force_explicit_abi = true
|
||||
imports_granularity = "Crate"
|
||||
@ -0,0 +1,13 @@
|
||||
#![cfg_attr(
|
||||
all(not(debug_assertions), target_os = "windows"),
|
||||
windows_subsystem = "windows"
|
||||
)]
|
||||
|
||||
fn main() {
|
||||
tauri::Builder::default()
|
||||
.plugin(tauri_plugin_single_instance::init(|app, argv, cwd| {
|
||||
println!("{}, {argv:?}, {cwd}", app.package_info().name);
|
||||
}))
|
||||
.run(tauri::generate_context!())
|
||||
.expect("error while running tauri application");
|
||||
}
|
||||
@ -0,0 +1,62 @@
|
||||
{
|
||||
"package": {
|
||||
"productName": "app",
|
||||
"version": "0.1.0"
|
||||
},
|
||||
"build": {
|
||||
"distDir": "../public",
|
||||
"devPath": "../public"
|
||||
},
|
||||
"tauri": {
|
||||
"bundle": {
|
||||
"active": true,
|
||||
"targets": "all",
|
||||
"identifier": "com.tauri.single-instance",
|
||||
"icon": [
|
||||
"icons/32x32.png",
|
||||
"icons/128x128.png",
|
||||
"icons/128x128@2x.png",
|
||||
"icons/icon.icns",
|
||||
"icons/icon.ico"
|
||||
],
|
||||
"resources": [],
|
||||
"externalBin": [],
|
||||
"copyright": "",
|
||||
"category": "DeveloperTool",
|
||||
"shortDescription": "",
|
||||
"longDescription": "",
|
||||
"deb": {
|
||||
"depends": []
|
||||
},
|
||||
"macOS": {
|
||||
"frameworks": [],
|
||||
"exceptionDomain": "",
|
||||
"signingIdentity": null,
|
||||
"entitlements": null
|
||||
},
|
||||
"windows": {
|
||||
"certificateThumbprint": null,
|
||||
"digestAlgorithm": "sha256",
|
||||
"timestampUrl": ""
|
||||
}
|
||||
},
|
||||
"updater": {
|
||||
"active": false
|
||||
},
|
||||
"allowlist": {
|
||||
"all": true
|
||||
},
|
||||
"windows": [
|
||||
{
|
||||
"title": "app",
|
||||
"width": 800,
|
||||
"height": 600,
|
||||
"resizable": true,
|
||||
"fullscreen": false
|
||||
}
|
||||
],
|
||||
"security": {
|
||||
"csp": "default-src blob: data: filesystem: ws: wss: http: https: tauri: 'unsafe-eval' 'unsafe-inline' 'self' img-src: 'self'"
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,24 @@
|
||||
use tauri::{plugin::TauriPlugin, AppHandle, Manager, Runtime};
|
||||
|
||||
#[cfg(target_os = "windows")]
|
||||
#[path = "platform_impl/windows.rs"]
|
||||
mod platform_impl;
|
||||
#[cfg(target_os = "linux")]
|
||||
#[path = "platform_impl/linux.rs"]
|
||||
mod platform_impl;
|
||||
#[cfg(target_os = "macos")]
|
||||
#[path = "platform_impl/macos.rs"]
|
||||
mod platform_impl;
|
||||
|
||||
pub(crate) type SingleInstanceCallback<R> =
|
||||
dyn FnMut(&AppHandle<R>, Vec<String>, String) + Send + Sync + 'static;
|
||||
|
||||
pub fn init<R: Runtime, F: FnMut(&AppHandle<R>, Vec<String>, String) + Send + Sync + 'static>(
|
||||
f: F,
|
||||
) -> TauriPlugin<R> {
|
||||
platform_impl::init(Box::new(f))
|
||||
}
|
||||
|
||||
pub fn destroy<R: Runtime, M: Manager<R>>(manager: &M) {
|
||||
platform_impl::destroy(manager)
|
||||
}
|
||||
@ -0,0 +1,91 @@
|
||||
#![cfg(target_os = "linux")]
|
||||
|
||||
use std::sync::Arc;
|
||||
|
||||
use crate::SingleInstanceCallback;
|
||||
use tauri::{
|
||||
plugin::{self, TauriPlugin},
|
||||
AppHandle, Config, Manager, RunEvent, Runtime,
|
||||
};
|
||||
use zbus::{
|
||||
blocking::{Connection, ConnectionBuilder},
|
||||
dbus_interface,
|
||||
};
|
||||
|
||||
struct ConnectionHandle(Connection);
|
||||
|
||||
struct SingleInstanceDBus<R: Runtime> {
|
||||
callback: Box<SingleInstanceCallback<R>>,
|
||||
app_handle: AppHandle<R>,
|
||||
}
|
||||
|
||||
#[dbus_interface(name = "org.SingleInstance.DBus")]
|
||||
impl<R: Runtime> SingleInstanceDBus<R> {
|
||||
fn execute_callback(&mut self, argv: Vec<String>, cwd: String) {
|
||||
(self.callback)(&self.app_handle, argv, cwd);
|
||||
}
|
||||
}
|
||||
|
||||
fn dbus_id(config: Arc<Config>) -> String {
|
||||
config.tauri.bundle.identifier.replace(['.', '-'], "_")
|
||||
}
|
||||
|
||||
pub fn init<R: Runtime>(f: Box<SingleInstanceCallback<R>>) -> TauriPlugin<R> {
|
||||
plugin::Builder::new("single-instance")
|
||||
.setup(|app| {
|
||||
let id = dbus_id(app.config());
|
||||
let single_instance_dbus = SingleInstanceDBus {
|
||||
callback: f,
|
||||
app_handle: app.clone(),
|
||||
};
|
||||
let dbus_name = format!("org.{}.SingleInstance", id);
|
||||
let dbus_path = format!("/org/{}/SingleInstance", id);
|
||||
|
||||
match ConnectionBuilder::session()
|
||||
.unwrap()
|
||||
.name(dbus_name.as_str())
|
||||
.unwrap()
|
||||
.serve_at(dbus_path.as_str(), single_instance_dbus)
|
||||
.unwrap()
|
||||
.build()
|
||||
{
|
||||
Ok(connection) => {
|
||||
app.manage(ConnectionHandle(connection));
|
||||
}
|
||||
Err(zbus::Error::NameTaken) => {
|
||||
if let Ok(connection) = Connection::session() {
|
||||
let _ = connection.call_method(
|
||||
Some(dbus_name.as_str()),
|
||||
dbus_path.as_str(),
|
||||
Some("org.SingleInstance.DBus"),
|
||||
"ExecuteCallback",
|
||||
&(
|
||||
std::env::args().collect::<Vec<String>>(),
|
||||
std::env::current_dir()
|
||||
.unwrap_or_default()
|
||||
.to_str()
|
||||
.unwrap_or_default(),
|
||||
),
|
||||
);
|
||||
}
|
||||
std::process::exit(0)
|
||||
}
|
||||
_ => {}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
})
|
||||
.on_event(|app, event| {
|
||||
if let RunEvent::Exit = event {
|
||||
destroy(app);
|
||||
}
|
||||
})
|
||||
.build()
|
||||
}
|
||||
|
||||
pub fn destroy<R: Runtime, M: Manager<R>>(manager: &M) {
|
||||
if let Some(connection) = manager.try_state::<ConnectionHandle>() {
|
||||
let dbus_name = format!("org.{}.SingleInstance", dbus_id(manager.config()));
|
||||
let _ = connection.0.release_name(dbus_name);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,12 @@
|
||||
#![cfg(target_os = "macos")]
|
||||
|
||||
use crate::SingleInstanceCallback;
|
||||
use tauri::{
|
||||
plugin::{self, TauriPlugin},
|
||||
Manager, Runtime,
|
||||
};
|
||||
pub fn init<R: Runtime>(_f: Box<SingleInstanceCallback<R>>) -> TauriPlugin<R> {
|
||||
plugin::Builder::new("single-instance").build()
|
||||
}
|
||||
|
||||
pub fn destroy<R: Runtime, M: Manager<R>>(_manager: &M) {}
|
||||
@ -0,0 +1,215 @@
|
||||
#![cfg(target_os = "windows")]
|
||||
|
||||
use crate::SingleInstanceCallback;
|
||||
use std::ffi::CStr;
|
||||
use tauri::{
|
||||
plugin::{self, TauriPlugin},
|
||||
AppHandle, Manager, RunEvent, Runtime,
|
||||
};
|
||||
use windows_sys::Win32::{
|
||||
Foundation::{CloseHandle, GetLastError, ERROR_ALREADY_EXISTS, HWND, LPARAM, LRESULT, WPARAM},
|
||||
System::{
|
||||
DataExchange::COPYDATASTRUCT,
|
||||
LibraryLoader::GetModuleHandleW,
|
||||
Threading::{CreateMutexW, ReleaseMutex},
|
||||
},
|
||||
UI::WindowsAndMessaging::{
|
||||
self as w32wm, CreateWindowExW, DefWindowProcW, DestroyWindow, FindWindowW,
|
||||
RegisterClassExW, SendMessageW, GWL_STYLE, GWL_USERDATA, WINDOW_LONG_PTR_INDEX,
|
||||
WM_COPYDATA, WM_DESTROY, WNDCLASSEXW, WS_EX_LAYERED, WS_EX_NOACTIVATE, WS_EX_TOOLWINDOW,
|
||||
WS_EX_TRANSPARENT, WS_OVERLAPPED, WS_POPUP, WS_VISIBLE,
|
||||
},
|
||||
};
|
||||
|
||||
struct MutexHandle(isize);
|
||||
struct TargetWindowHandle(isize);
|
||||
|
||||
const WMCOPYDATA_SINGLE_INSTANCE_DATA: usize = 1542;
|
||||
|
||||
pub fn init<R: Runtime>(f: Box<SingleInstanceCallback<R>>) -> TauriPlugin<R> {
|
||||
plugin::Builder::new("single-instance")
|
||||
.setup(|app| {
|
||||
let id = &app.config().tauri.bundle.identifier;
|
||||
|
||||
let class_name = encode_wide(format!("{}-sic", id));
|
||||
let window_name = encode_wide(format!("{}-siw", id));
|
||||
let mutex_name = encode_wide(format!("{}-sim", id));
|
||||
|
||||
let hmutex =
|
||||
unsafe { CreateMutexW(std::ptr::null(), true.into(), mutex_name.as_ptr()) };
|
||||
|
||||
if unsafe { GetLastError() } == ERROR_ALREADY_EXISTS {
|
||||
unsafe {
|
||||
let hwnd = FindWindowW(class_name.as_ptr(), window_name.as_ptr());
|
||||
|
||||
if hwnd != 0 {
|
||||
let data = format!(
|
||||
"{}|{}\0",
|
||||
std::env::current_dir()
|
||||
.unwrap_or_default()
|
||||
.to_str()
|
||||
.unwrap_or_default(),
|
||||
std::env::args().collect::<Vec<String>>().join("|")
|
||||
);
|
||||
let bytes = data.as_bytes();
|
||||
let cds = COPYDATASTRUCT {
|
||||
dwData: WMCOPYDATA_SINGLE_INSTANCE_DATA,
|
||||
cbData: bytes.len() as _,
|
||||
lpData: bytes.as_ptr() as _,
|
||||
};
|
||||
SendMessageW(hwnd, WM_COPYDATA, 0, &cds as *const _ as _);
|
||||
app.exit(0);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
app.manage(MutexHandle(hmutex));
|
||||
|
||||
let hwnd = create_event_target_window::<R>(&class_name, &window_name);
|
||||
unsafe {
|
||||
SetWindowLongPtrW(
|
||||
hwnd,
|
||||
GWL_USERDATA,
|
||||
Box::into_raw(Box::new((app.clone(), f))) as _,
|
||||
)
|
||||
};
|
||||
|
||||
app.manage(TargetWindowHandle(hwnd));
|
||||
}
|
||||
|
||||
Ok(())
|
||||
})
|
||||
.on_event(|app, event| {
|
||||
if let RunEvent::Exit = event {
|
||||
destroy(app);
|
||||
}
|
||||
})
|
||||
.build()
|
||||
}
|
||||
|
||||
pub fn destroy<R: Runtime, M: Manager<R>>(manager: &M) {
|
||||
if let Some(hmutex) = manager.try_state::<MutexHandle>() {
|
||||
unsafe {
|
||||
ReleaseMutex(hmutex.0);
|
||||
CloseHandle(hmutex.0);
|
||||
}
|
||||
}
|
||||
if let Some(hwnd) = manager.try_state::<TargetWindowHandle>() {
|
||||
unsafe { DestroyWindow(hwnd.0) };
|
||||
}
|
||||
}
|
||||
|
||||
unsafe extern "system" fn single_instance_window_proc<R: Runtime>(
|
||||
hwnd: HWND,
|
||||
msg: u32,
|
||||
wparam: WPARAM,
|
||||
lparam: LPARAM,
|
||||
) -> LRESULT {
|
||||
let data_ptr = GetWindowLongPtrW(hwnd, GWL_USERDATA)
|
||||
as *mut (AppHandle<R>, Box<SingleInstanceCallback<R>>);
|
||||
let (app_handle, callback) = &mut *data_ptr;
|
||||
|
||||
match msg {
|
||||
WM_COPYDATA => {
|
||||
let cds_ptr = lparam as *const COPYDATASTRUCT;
|
||||
if (*cds_ptr).dwData == WMCOPYDATA_SINGLE_INSTANCE_DATA {
|
||||
let data = CStr::from_ptr((*cds_ptr).lpData as _).to_string_lossy();
|
||||
let mut s = data.split("|");
|
||||
let cwd = s.next().unwrap();
|
||||
let args = s.into_iter().map(|s| s.to_string()).collect();
|
||||
callback(&app_handle, args, cwd.to_string());
|
||||
}
|
||||
1
|
||||
}
|
||||
|
||||
WM_DESTROY => {
|
||||
let _ = Box::from_raw(data_ptr);
|
||||
0
|
||||
}
|
||||
_ => DefWindowProcW(hwnd, msg, wparam, lparam),
|
||||
}
|
||||
}
|
||||
|
||||
fn create_event_target_window<R: Runtime>(class_name: &[u16], window_name: &[u16]) -> HWND {
|
||||
unsafe {
|
||||
let class = WNDCLASSEXW {
|
||||
cbSize: std::mem::size_of::<WNDCLASSEXW>() as u32,
|
||||
style: 0,
|
||||
lpfnWndProc: Some(single_instance_window_proc::<R>),
|
||||
cbClsExtra: 0,
|
||||
cbWndExtra: 0,
|
||||
hInstance: GetModuleHandleW(std::ptr::null()),
|
||||
hIcon: 0,
|
||||
hCursor: 0,
|
||||
hbrBackground: 0,
|
||||
lpszMenuName: std::ptr::null(),
|
||||
lpszClassName: class_name.as_ptr(),
|
||||
hIconSm: 0,
|
||||
};
|
||||
|
||||
RegisterClassExW(&class);
|
||||
|
||||
let hwnd = CreateWindowExW(
|
||||
WS_EX_NOACTIVATE
|
||||
| WS_EX_TRANSPARENT
|
||||
| WS_EX_LAYERED
|
||||
// WS_EX_TOOLWINDOW prevents this window from ever showing up in the taskbar, which
|
||||
// we want to avoid. If you remove this style, this window won't show up in the
|
||||
// taskbar *initially*, but it can show up at some later point. This can sometimes
|
||||
// happen on its own after several hours have passed, although this has proven
|
||||
// difficult to reproduce. Alternatively, it can be manually triggered by killing
|
||||
// `explorer.exe` and then starting the process back up.
|
||||
// It is unclear why the bug is triggered by waiting for several hours.
|
||||
| WS_EX_TOOLWINDOW,
|
||||
class_name.as_ptr(),
|
||||
window_name.as_ptr(),
|
||||
WS_OVERLAPPED,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
GetModuleHandleW(std::ptr::null()),
|
||||
std::ptr::null(),
|
||||
);
|
||||
SetWindowLongPtrW(
|
||||
hwnd,
|
||||
GWL_STYLE,
|
||||
// The window technically has to be visible to receive WM_PAINT messages (which are used
|
||||
// for delivering events during resizes), but it isn't displayed to the user because of
|
||||
// the LAYERED style.
|
||||
(WS_VISIBLE | WS_POPUP) as isize,
|
||||
);
|
||||
hwnd
|
||||
}
|
||||
}
|
||||
|
||||
pub fn encode_wide(string: impl AsRef<std::ffi::OsStr>) -> Vec<u16> {
|
||||
std::os::windows::prelude::OsStrExt::encode_wide(string.as_ref())
|
||||
.chain(std::iter::once(0))
|
||||
.collect()
|
||||
}
|
||||
|
||||
#[cfg(target_pointer_width = "32")]
|
||||
#[allow(non_snake_case)]
|
||||
unsafe fn SetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX, value: isize) -> isize {
|
||||
w32wm::SetWindowLongW(hwnd, index, value as _) as _
|
||||
}
|
||||
|
||||
#[cfg(target_pointer_width = "64")]
|
||||
#[allow(non_snake_case)]
|
||||
unsafe fn SetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX, value: isize) -> isize {
|
||||
w32wm::SetWindowLongPtrW(hwnd, index, value)
|
||||
}
|
||||
|
||||
#[cfg(target_pointer_width = "32")]
|
||||
#[allow(non_snake_case)]
|
||||
unsafe fn GetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX) -> isize {
|
||||
w32wm::GetWindowLongW(hwnd, index) as _
|
||||
}
|
||||
|
||||
#[cfg(target_pointer_width = "64")]
|
||||
#[allow(non_snake_case)]
|
||||
unsafe fn GetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX) -> isize {
|
||||
w32wm::GetWindowLongPtrW(hwnd, index)
|
||||
}
|
||||
Loading…
Reference in new issue