windows

desktop/platform/win/Cargo.toml

@@ -15,5 +15,8 @@ path = "src/main.rs"
 [dependencies]
 graphite-desktop = { path = "../.." }
 
+[target.'cfg(target_os = "windows")'.dependencies]
+windows-registry = "0.6"
+
 [target.'cfg(target_os = "windows")'.build-dependencies]
 winres = "0.1"

desktop/platform/win/src/file_associations.rs

@@ -0,0 +1,48 @@
+use std::env;
+use std::error::Error;
+
+use windows_registry::CURRENT_USER;
+
+const PROG_ID: &str = "Graphite.Document";
+const EXECUTABLE_NAME: &str = "Graphite.exe";
+const APP_FRIENDLY_NAME: &str = "Graphite";
+const DOCUMENT_FRIENDLY_NAME: &str = "Graphite Document";
+const MIME_TYPE: &str = "application/graphite+json";
+const FILE_EXTENSION: &str = ".graphite";
+const SUPPORTED_EXTENSIONS: &[&str] = &[FILE_EXTENSION, ".svg", ".png", ".jpg", ".jpeg"];
+
+pub fn register() {
+	if let Err(e) = register_inner() {
+		eprintln!("Failed to register file associations: {e}");
+	}
+}
+
+fn register_inner() -> Result<(), Box<dyn Error>> {
+	let exe = env::current_exe()?;
+	let exe_string = exe.to_string_lossy();
+	let open_command = format!("\"{exe_string}\" \"%1\"");
+	let icon_value = format!("{exe_string},0");
+
+	let prog_id = CURRENT_USER.create(format!("Software\\Classes\\{PROG_ID}"))?;
+	prog_id.set_string("", DOCUMENT_FRIENDLY_NAME)?;
+	let prog_id_icon = CURRENT_USER.create(format!("Software\\Classes\\{PROG_ID}\\DefaultIcon"))?;
+	prog_id_icon.set_string("", &icon_value)?;
+	let prog_id_command = CURRENT_USER.create(format!("Software\\Classes\\{PROG_ID}\\shell\\open\\command"))?;
+	prog_id_command.set_string("", &open_command)?;
+
+	let app_base = format!("Software\\Classes\\Applications\\{EXECUTABLE_NAME}");
+	let app = CURRENT_USER.create(&app_base)?;
+	app.set_string("FriendlyAppName", APP_FRIENDLY_NAME)?;
+	let app_command = CURRENT_USER.create(format!("{app_base}\\shell\\open\\command"))?;
+	app_command.set_string("", &open_command)?;
+	let supported = CURRENT_USER.create(format!("{app_base}\\SupportedTypes"))?;
+	for extension in SUPPORTED_EXTENSIONS {
+		supported.set_string(extension, "")?;
+	}
+
+	let extension = CURRENT_USER.create(format!("Software\\Classes\\{FILE_EXTENSION}"))?;
+	extension.set_string("", PROG_ID)?;
+	extension.set_string("Content Type", MIME_TYPE)?;
+
+	Ok(())
+}

desktop/platform/win/src/main.rs

@@ -1,4 +1,11 @@
 #![windows_subsystem = "windows"]
+
+#[cfg(target_os = "windows")]
+mod file_associations;
+
 fn main() {
+	#[cfg(target_os = "windows")]
+	file_associations::register();
+
 	graphite_desktop::start();
 }