From c57fa7a5b58d70d98f240d946004fd0c61cc2c01 Mon Sep 17 00:00:00 2001 From: Julian Hofer Date: Wed, 11 Oct 2023 15:54:25 +0200 Subject: [PATCH] book: Extend main loop chapter with async section --- book/listings/Cargo.lock | 1074 ++++++++++++++++++++++- book/listings/Cargo.toml | 14 + book/listings/main_event_loop/6/main.rs | 61 ++ book/listings/main_event_loop/7/main.rs | 64 ++ book/listings/main_event_loop/8/main.rs | 42 + book/src/main_event_loop.md | 9 + 6 files changed, 1260 insertions(+), 4 deletions(-) create mode 100644 book/listings/main_event_loop/6/main.rs create mode 100644 book/listings/main_event_loop/7/main.rs create mode 100644 book/listings/main_event_loop/8/main.rs diff --git a/book/listings/Cargo.lock b/book/listings/Cargo.lock index 2b9f09902d0c..9670dbe739ea 100644 --- a/book/listings/Cargo.lock +++ b/book/listings/Cargo.lock @@ -2,12 +2,211 @@ # It is not intended for manual editing. version = 3 +[[package]] +name = "aho-corasick" +version = "1.1.2" +source = 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[ + "futures-core", + "pin-project-lite", +] + [[package]] name = "pango" version = "0.18.0" @@ -574,6 +1137,18 @@ dependencies = [ "system-deps", ] +[[package]] +name = "parking" +version = "2.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e52c774a4c39359c1d1c52e43f73dd91a75a614652c825408eec30c95a9b2067" + +[[package]] +name = "percent-encoding" +version = "2.3.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9b2a4787296e9989611394c33f193f676704af1686e70b8f8033ab5ba9a35a94" + [[package]] name = "pin-project-lite" version = "0.2.10" @@ -586,12 +1161,45 @@ version = "0.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184" +[[package]] +name = "piper" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "668d31b1c4eba19242f2088b2bf3316b82ca31082a8335764db4e083db7485d4" +dependencies = [ + "atomic-waker", + "fastrand 2.0.1", + "futures-io", +] + [[package]] name = "pkg-config" version = "0.3.27" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "26072860ba924cbfa98ea39c8c19b4dd6a4a25423dbdf219c1eca91aa0cf6964" +[[package]] +name = "polling" +version = "2.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4b2d323e8ca7996b3e23126511a523f7e62924d93ecd5ae73b333815b0eb3dce" +dependencies = [ + "autocfg", + "bitflags 1.3.2", + "cfg-if", + "concurrent-queue", + "libc", + "log", + "pin-project-lite", + "windows-sys", +] + +[[package]] +name = "ppv-lite86" +version = "0.2.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de" + [[package]] name = "proc-macro-crate" version = "1.3.1" @@ -644,6 +1252,36 @@ dependencies = [ "proc-macro2", ] +[[package]] +name = "rand" +version = "0.8.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404" +dependencies = [ + "libc", + "rand_chacha", + "rand_core", +] + +[[package]] +name = "rand_chacha" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88" +dependencies = [ + "ppv-lite86", + "rand_core", +] + +[[package]] +name = "rand_core" +version = "0.6.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c" +dependencies = [ + "getrandom", +] + [[package]] name = "redox_syscall" version = "0.2.16" @@ -653,6 +1291,15 @@ dependencies = [ "bitflags 1.3.2", ] +[[package]] +name = "redox_syscall" +version = "0.3.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = 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+[[package]] +name = "serde_repr" +version = "0.1.16" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8725e1dfadb3a50f7e5ce0b1a540466f6ed3fe7a0fca2ac2b8b831d31316bd00" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.28", +] + [[package]] name = "serde_spanned" version = "0.6.3" @@ -734,6 +1448,36 @@ dependencies = [ "serde", ] +[[package]] +name = "sha1" +version = "0.10.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba" +dependencies = [ + "cfg-if", + "cpufeatures", + "digest", +] + +[[package]] +name = "signal-hook" +version = "0.3.17" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8621587d4798caf8eb44879d42e56b9a93ea5dcd315a6487c357130095b62801" +dependencies = [ + "libc", + "signal-hook-registry", +] + +[[package]] +name = "signal-hook-registry" +version = "1.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d8229b473baa5980ac72ef434c4415e70c4b5e71b423043adb4ba059f89c99a1" +dependencies = [ + "libc", +] + [[package]] name = "slab" version = "0.4.8" @@ -749,6 +1493,22 @@ version = "1.11.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "62bb4feee49fdd9f707ef802e22365a35de4b7b299de4763d44bfea899442ff9" +[[package]] +name = "socket2" +version = "0.4.9" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "64a4a911eed85daf18834cfaa86a79b7d266ff93ff5ba14005426219480ed662" +dependencies = [ + "libc", + "winapi", +] + +[[package]] +name = "static_assertions" +version = "1.1.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f" + [[package]] name = "syn" version = "1.0.109" @@ -790,6 +1550,19 @@ version = "0.12.11" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "9d0e916b1148c8e263850e1ebcbd046f333e0683c724876bb0da63ea4373dc8a" +[[package]] +name = "tempfile" +version = "3.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cb94d2f3cc536af71caac6b6fcebf65860b347e7ce0cc9ebe8f70d3e521054ef" +dependencies = [ + "cfg-if", + "fastrand 2.0.1", + "redox_syscall 0.3.5", + "rustix 0.38.8", + "windows-sys", +] + [[package]] name = "thiserror" version = "1.0.44" @@ -810,6 +1583,21 @@ dependencies = [ "syn 2.0.28", ] +[[package]] +name = "tinyvec" +version = "1.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50" +dependencies = [ + "tinyvec_macros", +] + +[[package]] +name = "tinyvec_macros" +version = "0.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20" + [[package]] name = "toml" version = "0.7.6" @@ -844,12 +1632,93 @@ dependencies = [ "winnow", ] +[[package]] +name = "tracing" +version = "0.1.37" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8" +dependencies = [ + "cfg-if", + "pin-project-lite", + "tracing-attributes", + "tracing-core", +] + +[[package]] +name = "tracing-attributes" +version = "0.1.26" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5f4f31f56159e98206da9efd823404b79b6ef3143b4a7ab76e67b1751b25a4ab" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.28", +] + +[[package]] +name = "tracing-core" +version = "0.1.31" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "0955b8137a1df6f1a2e9a37d8a6656291ff0297c1a97c24e0d8425fe2312f79a" +dependencies = [ + "once_cell", +] + +[[package]] +name = "typenum" +version = "1.17.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = 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"2.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "143b538f18257fac9cad154828a57c6bf5157e1aa604d4816b5995bf6de87ae5" +dependencies = [ + "form_urlencoded", + "idna", + "percent-encoding", + "serde", +] + +[[package]] +name = "value-bag" +version = "1.4.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d92ccd67fb88503048c01b59152a04effd0782d035a83a6d256ce6085f08f4a3" + [[package]] name = "version-compare" version = "0.1.1" @@ -862,6 +1731,12 @@ version = "0.9.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f" +[[package]] +name = "waker-fn" +version = "1.1.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f3c4517f54858c779bbcbf228f4fca63d121bf85fbecb2dc578cdf4a39395690" + [[package]] name = "walkdir" version = "2.3.3" @@ -878,6 +1753,82 @@ version = "0.11.0+wasi-snapshot-preview1" source = 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+ "web-sys", +] + +[[package]] +name = "wasm-bindgen-macro" +version = "0.2.87" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d" +dependencies = [ + "quote", + "wasm-bindgen-macro-support", +] + +[[package]] +name = "wasm-bindgen-macro-support" +version = "0.2.87" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b" +dependencies = [ + "proc-macro2", + "quote", + "syn 2.0.28", + "wasm-bindgen-backend", + "wasm-bindgen-shared", +] + +[[package]] +name = "wasm-bindgen-shared" +version = "0.2.87" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1" + +[[package]] +name = "web-sys" +version = "0.3.64" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "9b85cbef8c220a6abc02aefd892dfc0fc23afb1c6a426316ec33253a3877249b" +dependencies = [ + "js-sys", + "wasm-bindgen", +] + [[package]] name = "winapi" version = "0.3.9" @@ -984,6 +1935,16 @@ dependencies = [ "memchr", ] +[[package]] +name = "xdg-home" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "2769203cd13a0c6015d515be729c526d041e9cf2c0cc478d57faee85f40c6dcd" +dependencies = [ + "nix", + "winapi", +] + [[package]] name = "xshell" version = "0.2.5" @@ -998,3 +1959,108 @@ name = "xshell-macros" version = "0.2.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7e2c411759b501fb9501aac2b1b2d287a6e93e5bdcf13c25306b23e1b716dd0e" + +[[package]] +name = "zbus" +version = "3.14.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "31de390a2d872e4cd04edd71b425e29853f786dc99317ed72d73d6fcf5ebb948" +dependencies = [ + "async-broadcast", + "async-executor", + "async-fs", + "async-io", + "async-lock", + "async-process", + "async-recursion", + "async-task", + "async-trait", + "blocking", + "byteorder", + "derivative", + "enumflags2", + "event-listener", + "futures-core", + "futures-sink", + "futures-util", + "hex", + "nix", + "once_cell", + "ordered-stream", + "rand", + "serde", + "serde_repr", + "sha1", + "static_assertions", + "tracing", + "uds_windows", + "winapi", + "xdg-home", + "zbus_macros", + "zbus_names", + "zvariant", +] + +[[package]] +name = "zbus_macros" +version = "3.14.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "41d1794a946878c0e807f55a397187c11fc7a038ba5d868e7db4f3bd7760bc9d" +dependencies = [ + "proc-macro-crate", + "proc-macro2", + "quote", + "regex", + "syn 1.0.109", + "zvariant_utils", +] + +[[package]] +name = "zbus_names" +version = "2.6.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fb80bb776dbda6e23d705cf0123c3b95df99c4ebeaec6c2599d4a5419902b4a9" +dependencies = [ + "serde", + "static_assertions", + "zvariant", +] + +[[package]] +name = "zvariant" +version = "3.15.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "44b291bee0d960c53170780af148dca5fa260a63cdd24f1962fa82e03e53338c" +dependencies = [ + "byteorder", + "enumflags2", + "libc", + "serde", + "static_assertions", + "url", + "zvariant_derive", +] + +[[package]] +name = "zvariant_derive" +version = "3.15.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "934d7a7dfc310d6ee06c87ffe88ef4eca7d3e37bb251dece2ef93da8f17d8ecd" +dependencies = [ + "proc-macro-crate", + "proc-macro2", + "quote", + "syn 1.0.109", + "zvariant_utils", +] + +[[package]] +name = "zvariant_utils" +version = "1.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7234f0d811589db492d16893e3f21e8e2fd282e6d01b0cddee310322062cc200" +dependencies = [ + "proc-macro2", + "quote", + "syn 1.0.109", +] diff --git a/book/listings/Cargo.toml b/book/listings/Cargo.toml index 593e0ed086bb..6952de4d0e63 100644 --- a/book/listings/Cargo.toml +++ b/book/listings/Cargo.toml @@ -14,6 +14,7 @@ anyhow = "1.0" xshell = "0.2" dirs = "5.0" walkdir = "2.3" +ashpd = { version = "0.6.2", features = ["gtk4"] } [build-dependencies] glib-build-tools = "0.18" @@ -205,6 +206,19 @@ path = "main_event_loop/4/main.rs" name = "main_event_loop_5" path = "main_event_loop/5/main.rs" +[[bin]] +name = "main_event_loop_6" +path = "main_event_loop/6/main.rs" + +[[bin]] +name = "main_event_loop_7" +path = "main_event_loop/7/main.rs" + +[[bin]] +name = "main_event_loop_8" +path = "main_event_loop/8/main.rs" + + # saving_window_state [[bin]] name = "saving_window_state_1" diff --git a/book/listings/main_event_loop/6/main.rs b/book/listings/main_event_loop/6/main.rs new file mode 100644 index 000000000000..e00d14399ac8 --- /dev/null +++ b/book/listings/main_event_loop/6/main.rs @@ -0,0 +1,61 @@ +use glib::{clone, MainContext}; +use gtk::prelude::*; +use gtk::{gio, glib}; +use gtk::{Application, ApplicationWindow, Button}; +use std::thread; +use std::time::Duration; + +const APP_ID: &str = "org.gtk_rs.MainEventLoop5"; + +fn main() -> glib::ExitCode { + // Create a new application + let app = Application::builder().application_id(APP_ID).build(); + + // Connect to "activate" signal of `app` + app.connect_activate(build_ui); + + // Run the application + app.run() +} + +fn build_ui(app: &Application) { + // Create a button + let button = Button::builder() + .label("Press me!") + .margin_top(12) + .margin_bottom(12) + .margin_start(12) + .margin_end(12) + .build(); + + // ANCHOR: callback + // Connect to "clicked" signal of `button` + button.connect_clicked(move |button| { + let main_context = MainContext::default(); + // The main loop executes the asynchronous block + main_context.spawn_local(clone!(@weak button => async move { + // Deactivate the button until the operation is done + button.set_sensitive(false); + let enable_button = gio::spawn_blocking(move || { + let ten_seconds = Duration::from_secs(10); + thread::sleep(ten_seconds); + true + }) + .await + .expect("Task needs to finish successfully."); + // Set sensitivity of button to `enable_button` + button.set_sensitive(enable_button); + })); + }); + // ANCHOR_END: callback + + // Create a window + let window = ApplicationWindow::builder() + .application(app) + .title("My GTK App") + .child(&button) + .build(); + + // Present window + window.present(); +} diff --git a/book/listings/main_event_loop/7/main.rs b/book/listings/main_event_loop/7/main.rs new file mode 100644 index 000000000000..b4b92ef0ad82 --- /dev/null +++ b/book/listings/main_event_loop/7/main.rs @@ -0,0 +1,64 @@ +use ashpd::desktop::account::UserInformation; +use ashpd::WindowIdentifier; +use glib::{clone, MainContext}; +use gtk::prelude::*; +use gtk::{glib, Application, ApplicationWindow, Button}; + +const APP_ID: &str = "org.gtk_rs.MainEventLoop5"; + +fn main() -> glib::ExitCode { + // Create a new application + let app = Application::builder().application_id(APP_ID).build(); + + // Connect to "activate" signal of `app` + app.connect_activate(build_ui); + + // Run the application + app.run() +} + +fn build_ui(app: &Application) { + // Create a button + let button = Button::builder() + .label("Press me!") + .margin_top(12) + .margin_bottom(12) + .margin_start(12) + .margin_end(12) + .build(); + + // ANCHOR: callback + // Connect to "clicked" signal of `button` + button.connect_clicked(move |button| { + let main_context = MainContext::default(); + // The main loop executes the asynchronous block + main_context.spawn_local(clone!(@weak button => async move { + // Get native of button for window indentifier + let native = button.native().expect("Need to be able to get native."); + // Get window identifier so that the dialog will be modal to the main window + let identifier = WindowIdentifier::from_native(&native).await; + let request = UserInformation::request() + .reason("App would like to access user information") + .identifier(identifier) + .send() + .await; + + if let Ok(Ok(response)) = request.map(|r| r.response()) { + println!("User name: {}", response.name()); + } else { + println!("Could not access user information.") + } + })); + }); + // ANCHOR_END: callback + + // Create a window + let window = ApplicationWindow::builder() + .application(app) + .title("My GTK App") + .child(&button) + .build(); + + // Present window + window.present(); +} diff --git a/book/listings/main_event_loop/8/main.rs b/book/listings/main_event_loop/8/main.rs new file mode 100644 index 000000000000..db5af3a927a2 --- /dev/null +++ b/book/listings/main_event_loop/8/main.rs @@ -0,0 +1,42 @@ +use gtk::prelude::*; +use gtk::{glib, Application, ApplicationWindow, Button}; + +const APP_ID: &str = "org.gtk_rs.MainEventLoop5"; + +fn main() -> glib::ExitCode { + // Create a new application + let app = Application::builder().application_id(APP_ID).build(); + + // Connect to "activate" signal of `app` + app.connect_activate(build_ui); + + // Run the application + app.run() +} + +fn build_ui(app: &Application) { + // Create a button + let button = Button::builder() + .label("Press me!") + .margin_top(12) + .margin_bottom(12) + .margin_start(12) + .margin_end(12) + .build(); + + // ANCHOR: callback + // Connect to "clicked" signal of `button` + button + .connect_clicked(move |_| todo!("Execute web request with reqwest and tokio")); + // ANCHOR_END: callback + + // Create a window + let window = ApplicationWindow::builder() + .application(app) + .title("My GTK App") + .child(&button) + .build(); + + // Present window + window.present(); +} diff --git a/book/src/main_event_loop.md b/book/src/main_event_loop.md index 08c3090cdb80..da916f93a976 100644 --- a/book/src/main_event_loop.md +++ b/book/src/main_event_loop.md @@ -167,6 +167,15 @@ help: within `gtk4::Button`, the trait `Sync` is not implemented for `NonNull