diff --git a/Cargo.toml b/Cargo.toml index 64a0ce3b..a1d89681 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -22,3 +22,5 @@ features = [ "Win32_Graphics_Gdi" ] +[target.'cfg(target_os = "linux")'.dependencies] +zbus = "2.2" diff --git a/examples/vanilla/pnpm-lock.yaml b/examples/vanilla/pnpm-lock.yaml deleted file mode 100644 index 6f357ee8..00000000 --- a/examples/vanilla/pnpm-lock.yaml +++ /dev/null @@ -1,106 +0,0 @@ -lockfileVersion: 5.3 - -specifiers: - '@tauri-apps/cli': ^1.0.0-rc.0 - -dependencies: - '@tauri-apps/cli': 1.0.0-rc.8 - -packages: - - /@tauri-apps/cli-darwin-arm64/1.0.0-rc.8: - resolution: {integrity: sha512-sbV4fkd3YBlX0gEBldEVmN/NbBdHzrn8wCRRiFaNBocDWC6Ji6DNvpp1Vy1xgY0RgtGOisGD+3+HelmKP4Mh/A==} - engines: {node: '>= 10'} - cpu: [arm64] - os: [darwin] - requiresBuild: true - dev: false - optional: true - - /@tauri-apps/cli-darwin-x64/1.0.0-rc.8: - resolution: {integrity: sha512-VmuYbBZKKal/YxSTbzHTaM04C9zUlTXq7ePoXc1PRAa/Xafo16N37OGzhzBlsKHrvh6BtPp9ZWk5UhHIDiJBsw==} - 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"async-broadcast" -version = "0.3.4" +version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "90622698a1218e0b2fb846c97b5f19a0831f6baddee73d9454156365ccfa473b" +checksum = "1bbd92a9bd0e9c1298118ecf8a2f825e86b12c3ec9e411573e34aaf3a0c03cdd" dependencies = [ "easy-parallel", "event-listener", "futures-core", + "parking_lot 0.11.2", ] [[package]] @@ -862,6 +863,12 @@ dependencies = [ "percent-encoding", ] +[[package]] +name = "fuchsia-cprng" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba" + [[package]] name = "futf" version = "0.1.5" @@ -2293,6 +2300,19 @@ dependencies = [ "proc-macro2", ] +[[package]] +name = "rand" +version = "0.4.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293" +dependencies = [ + "fuchsia-cprng", + "libc", + "rand_core 0.3.1", + "rdrand", + "winapi", +] + [[package]] name = "rand" version = "0.7.3" @@ -2338,6 +2358,21 @@ dependencies = [ "rand_core 0.6.3", ] +[[package]] +name = "rand_core" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b" +dependencies = [ + "rand_core 0.4.2", +] + +[[package]] +name = "rand_core" +version = "0.4.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc" + [[package]] name = "rand_core" version = "0.5.1" @@ -2383,6 +2418,15 @@ dependencies = [ "cty", ] +[[package]] +name = "rdrand" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2" +dependencies = [ + "rand_core 0.3.1", +] + [[package]] name = "redox_syscall" version = "0.2.13" @@ -3110,6 +3154,7 @@ version = "0.0.0" dependencies = [ "tauri", "windows-sys 0.35.0", + "zbus", ] [[package]] @@ -3172,6 +3217,16 @@ dependencies = [ "walkdir", ] +[[package]] +name = "tempdir" +version = "0.3.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8" +dependencies = [ + "rand 0.4.6", + "remove_dir_all", +] + [[package]] name = "tempfile" version = "3.3.0" @@ -3361,6 +3416,16 @@ version = "0.1.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c" +[[package]] +name = "uds_windows" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "486992108df0fe0160680af1941fe856c521be931d5a5ecccefe0de86dc47e4a" +dependencies = [ + "tempdir", + "winapi", +] + [[package]] name = "unicode-bidi" version = "0.3.7" @@ -4022,9 +4087,9 @@ checksum = "d2d7d3948613f75c98fd9328cfdcc45acc4d360655289d0a7d4ec931392200a3" [[package]] name = "zbus" -version = "2.1.1" +version = "2.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7bb86f3d4592e26a48b2719742aec94f8ae6238ebde20d98183ee185d1275e9a" +checksum = "53819092b9db813b2c6168b097b4b13ad284d81c9f2b0165a0a1b190e505a1f3" dependencies = [ "async-broadcast", "async-channel", @@ -4051,6 +4116,7 @@ dependencies = [ "serde_repr", "sha1", "static_assertions", + "uds_windows", "winapi", "zbus_macros", "zbus_names", @@ -4059,9 +4125,9 @@ dependencies = [ [[package]] name = "zbus_macros" -version = "2.1.1" +version = "2.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "36823cc10fddc3c6b19f048903262dacaf8274170e9a255784bdd8b4570a8040" +checksum = "c7174ebe6722c280d6d132d694bb5664ce50a788cb70eeb518e7fc1ca095a114" dependencies = [ "proc-macro-crate 1.1.3", "proc-macro2", diff --git a/src/lib.rs b/src/lib.rs index eff0740d..b3aed2de 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -3,11 +3,20 @@ use tauri::{plugin::TauriPlugin, 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 = - dyn FnMut(Vec, String, Box) + Send + 'static; + dyn FnMut(Vec, String, Box) + Send + Sync + 'static; -pub fn init, String, Box) + Send + 'static>( +pub fn init< + R: Runtime, + F: FnMut(Vec, String, Box) + Send + Sync + 'static, +>( f: F, ) -> TauriPlugin { platform_impl::init(Box::new(f)) diff --git a/src/platform_impl/linux.rs b/src/platform_impl/linux.rs new file mode 100644 index 00000000..73470cd4 --- /dev/null +++ b/src/platform_impl/linux.rs @@ -0,0 +1,94 @@ +#![cfg(target_os = "linux")] + +use crate::SingleInstanceCallback; +use std::{cell::RefCell, rc::Rc}; +use tauri::{ + plugin::{self, TauriPlugin}, + Manager, RunEvent, Runtime, +}; +use zbus::{ + blocking::{Connection, ConnectionBuilder}, + dbus_interface, +}; + +struct ConnectionHandle(Connection); +const CLOSE_NEW_INSTANCE_ID: u32 = 1542; + +struct SingleInstanceDBus { + callback: Box, +} + +#[dbus_interface(name = "org.SingleInstance.DBus")] +impl SingleInstanceDBus { + fn execute_callback(&mut self, argv: Vec, cwd: String) -> u32 { + let ret = Rc::new(RefCell::new(1)); + let ret_c = Rc::clone(&ret); + + (self.callback)( + argv, + cwd, + Box::new(move || { + let mut ret = ret_c.borrow_mut(); + *ret = CLOSE_NEW_INSTANCE_ID; + }), + ); + ret.take() + } +} + +pub fn init(f: Box) -> TauriPlugin { + plugin::Builder::new("single-instance") + .setup(|app| { + let app_name = app.package_info().name.clone(); + let single_instance_dbus = SingleInstanceDBus { callback: f }; + let dbus_name = format!("org.{}.SingleInstance", app_name); + let dbus_path = format!("/org/{}/SingleInstance", app_name); + + 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) => { + let connection = Connection::session().unwrap(); + if let Ok(m) = connection.call_method( + Some(dbus_name.as_str()), + dbus_path.as_str(), + Some("org.SingleInstance.DBus"), + "ExecuteCallback", + &( + std::env::args().collect::>(), + std::env::current_dir() + .unwrap_or_default() + .to_str() + .unwrap_or_default(), + ), + ) { + let reply: u32 = m.body().unwrap_or_default(); + if reply == CLOSE_NEW_INSTANCE_ID { + std::process::exit(0); + } + } + } + _ => {} + } + + Ok(()) + }) + .on_event(|app, event| { + if let RunEvent::Exit = event { + if let Some(connection) = app.try_state::() { + let app_name = app.package_info().name.clone(); + let dbus_name = format!("org.{}.SingleInstance", app_name); + let _ = connection.0.release_name(dbus_name); + } + } + }) + .build() +} diff --git a/src/platform_impl/macos.rs b/src/platform_impl/macos.rs new file mode 100644 index 00000000..4b107a62 --- /dev/null +++ b/src/platform_impl/macos.rs @@ -0,0 +1,10 @@ +#![cfg(target_os = "macos")] + +use crate::SingleInstanceCallback; +use tauri::{ + plugin::{self, TauriPlugin}, + Runtime, +}; +pub fn init(f: Box) -> TauriPlugin { + plugin::Builder::new("single-instance").build() +} diff --git a/src/platform_impl/windows.rs b/src/platform_impl/windows.rs index 36410ed3..239b9385 100644 --- a/src/platform_impl/windows.rs +++ b/src/platform_impl/windows.rs @@ -1,8 +1,7 @@ #![cfg(target_os = "windows")] -use std::{cell::RefCell, ffi::CStr, rc::Rc}; - use crate::SingleInstanceCallback; +use std::{cell::RefCell, ffi::CStr, rc::Rc}; use tauri::{ plugin::{self, TauriPlugin}, Manager, RunEvent, Runtime, @@ -22,9 +21,19 @@ use windows_sys::Win32::{ }, }; +struct MutexHandle(isize); +struct TargetWindowHandle(isize); + +const WMCOPYDATA_SINGLE_INSTANCE_DATA: usize = 1542; +const CLOSE_NEW_INSTANCE_ID: isize = 1542; + pub fn init(f: Box) -> TauriPlugin { plugin::Builder::new("single-instance") .setup(|app| { + let app_name = &app.package_info().name; + let class_name = format!("{}-single-instance-class", app_name); + let window_name = format!("{}-single-instance-window", app_name); + let hmutex = unsafe { CreateMutexW( std::ptr::null(), @@ -33,10 +42,6 @@ pub fn init(f: Box) -> TauriPlugin { ) }; - let app_name = &app.package_info().name; - let class_name = format!("{}-single-instance-class", app_name); - let window_name = format!("{}-single-instance-window", app_name); - if unsafe { GetLastError() } == ERROR_ALREADY_EXISTS { unsafe { let hwnd = FindWindowW( @@ -60,82 +65,33 @@ pub fn init(f: Box) -> TauriPlugin { lpData: bytes.as_ptr() as _, }; let ret = SendMessageW(hwnd, WM_COPYDATA, 0, &cds as *const _ as _); - if ret == CLOSE_NEW_INSTANCE { + if ret == CLOSE_NEW_INSTANCE_ID { std::process::exit(0); } } } - } - - app.manage(MutexHandle(hmutex)); - - unsafe { - let class = WNDCLASSEXW { - cbSize: std::mem::size_of::() as u32, - style: 0, - lpfnWndProc: Some(single_instance_window_proc), - cbClsExtra: 0, - cbWndExtra: 0, - hInstance: GetModuleHandleW(std::ptr::null()), - hIcon: 0, - hCursor: 0, - hbrBackground: 0, - lpszMenuName: std::ptr::null(), - lpszClassName: encode_wide(&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, - encode_wide(&class_name).as_ptr(), - encode_wide(&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, - ); + } else { + app.manage(MutexHandle(hmutex)); - SetWindowLongPtrW(hwnd, GWL_USERDATA, Box::into_raw(Box::new(f)) as _); + let hwnd = create_event_target_window(&class_name, &window_name); + unsafe { SetWindowLongPtrW(hwnd, GWL_USERDATA, Box::into_raw(Box::new(f)) as _) }; app.manage(TargetWindowHandle(hwnd)); } + Ok(()) }) .on_event(|app, event| { if let RunEvent::Exit = event { - let hmutex = app.state::().0; - unsafe { - ReleaseMutex(hmutex); - CloseHandle(hmutex); - }; - - let hwnd = app.state::().0; - unsafe { DestroyWindow(hwnd) }; + if let Some(hmutex) = app.try_state::() { + unsafe { + ReleaseMutex(hmutex.0); + CloseHandle(hmutex.0); + } + } + if let Some(hwnd) = app.try_state::() { + unsafe { DestroyWindow(hwnd.0) }; + } } }) .build() @@ -165,7 +121,7 @@ unsafe extern "system" fn single_instance_window_proc( cwd.to_string(), Box::new(move || { let mut ret = ret_c.borrow_mut(); - *ret = CLOSE_NEW_INSTANCE; + *ret = CLOSE_NEW_INSTANCE_ID; }), ); } @@ -180,10 +136,60 @@ unsafe extern "system" fn single_instance_window_proc( } } -struct MutexHandle(isize); -struct TargetWindowHandle(isize); -const WMCOPYDATA_SINGLE_INSTANCE_DATA: usize = 1542; -const CLOSE_NEW_INSTANCE: isize = 1542; +fn create_event_target_window(class_name: &str, window_name: &str) -> HWND { + unsafe { + let class = WNDCLASSEXW { + cbSize: std::mem::size_of::() as u32, + style: 0, + lpfnWndProc: Some(single_instance_window_proc), + cbClsExtra: 0, + cbWndExtra: 0, + hInstance: GetModuleHandleW(std::ptr::null()), + hIcon: 0, + hCursor: 0, + hbrBackground: 0, + lpszMenuName: std::ptr::null(), + lpszClassName: encode_wide(&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, + encode_wide(&class_name).as_ptr(), + encode_wide(&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) -> Vec { std::os::windows::prelude::OsStrExt::encode_wide(string.as_ref()) @@ -193,24 +199,24 @@ pub fn encode_wide(string: impl AsRef) -> Vec { #[cfg(target_pointer_width = "32")] #[allow(non_snake_case)] -pub fn SetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX, value: isize) -> isize { - unsafe { w32wm::SetWindowLongW(hwnd, index, value as _) as _ } +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)] -pub fn SetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX, value: isize) -> isize { - unsafe { w32wm::SetWindowLongPtrW(hwnd, index, value) } +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)] -pub fn GetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX) -> isize { - unsafe { w32wm::GetWindowLongW(hwnd, index) as _ } +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)] -pub fn GetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX) -> isize { - unsafe { w32wm::GetWindowLongPtrW(hwnd, index) } +unsafe fn GetWindowLongPtrW(hwnd: HWND, index: WINDOW_LONG_PTR_INDEX) -> isize { + w32wm::GetWindowLongPtrW(hwnd, index) }