Allow copy to clipboard

Cargo.lock

@@ -1091,6 +1091,7 @@ dependencies = [
  "test-log",
  "tokio",
  "trash",
+ "url",
  "vergen",
  "xdg",
  "xdg-mime",

Cargo.toml

@@ -29,6 +29,7 @@ tokio = { version = "1" }
 trash = "3.2.0"
 xdg = { version = "2.5.2", optional = true }
 xdg-mime = "0.3"
+url = "2.5"
 # Internationalization
 i18n-embed = { version = "0.14", features = [
     "fluent-system",

src/app.rs

@@ -14,6 +14,7 @@ use cosmic::{
         widget::scrollable,
         window, Alignment, Event, Length,
     },
+    iced_runtime::clipboard,
     style, theme,
     widget::{
         self,
@@ -32,6 +33,7 @@ use std::{
 };
 
 use crate::{
+    clipboard::ClipboardContents,
     config::{AppTheme, Config, IconSizes, TabConfig, CONFIG_VERSION},
     fl, home_dir,
     key_bind::key_binds,
@@ -787,8 +789,20 @@ impl Application for App {
                     return self.update_config();
                 }
             }
-            Message::Copy(_entity_opt) => {
-                log::warn!("TODO: COPY");
+            Message::Copy(entity_opt) => {
+                let mut paths = Vec::new();
+                let entity = entity_opt.unwrap_or_else(|| self.tab_model.active());
+                if let Some(tab) = self.tab_model.data_mut::<Tab>(entity) {
+                    if let Some(ref items) = tab.items_opt() {
+                        for item in items.iter() {
+                            if item.selected {
+                                paths.push(item.path.clone());
+                            }
+                        }
+                    }
+                }
+                let contents = ClipboardContents::new(&paths);
+                return clipboard::write_data(contents);
             }
             Message::Cut(_entity_opt) => {
                 log::warn!("TODO: CUT");

src/clipboard.rs

@@ -0,0 +1,74 @@
+// Copyright 2024 System76 <info@system76.com>
+// SPDX-License-Identifier: GPL-3.0-only
+
+use cosmic::iced::clipboard::mime::AsMimeTypes;
+use std::{borrow::Cow, path::Path};
+use url::Url;
+
+pub struct ClipboardContents {
+    pub available: Cow<'static, [String]>,
+    pub text_plain: Cow<'static, [u8]>,
+    pub text_uri_list: Cow<'static, [u8]>,
+}
+
+impl ClipboardContents {
+    pub fn new<P: AsRef<Path>>(paths: &[P]) -> Self {
+        let available = vec!["text/plain".to_string(), "text/uri-list".to_string()];
+        let mut text_plain = String::new();
+        let mut text_uri_list = String::new();
+        //TODO: do we have to use \r\n?
+        let newline = "\r\n";
+        for path in paths.iter() {
+            let path = path.as_ref();
+
+            match path.to_str() {
+                Some(path_str) => {
+                    if !text_plain.is_empty() {
+                        text_plain.push_str(newline);
+                    }
+
+                    //TOOD: what if the path contains a newline?
+                    text_plain.push_str(path_str);
+                }
+                None => {
+                    log::warn!(
+                        "{:?} is not valid UTF-8, not adding to text/plain clipboard",
+                        path
+                    );
+                }
+            }
+
+            match Url::from_file_path(path) {
+                Ok(url) => {
+                    text_uri_list.push_str(&url.to_string());
+                    text_uri_list.push_str(newline);
+                }
+                Err(err) => {
+                    log::warn!(
+                        "{:?} cannot be turned into a URL, not adding to text/uri-list clipboard: {}",
+                        path, err
+                    );
+                }
+            }
+        }
+        Self {
+            available: Cow::from(available),
+            text_plain: Cow::from(text_plain.into_bytes()),
+            text_uri_list: Cow::from(text_uri_list.into_bytes()),
+        }
+    }
+}
+
+impl AsMimeTypes for ClipboardContents {
+    fn available(&self) -> Cow<'static, [String]> {
+        self.available.clone()
+    }
+
+    fn as_bytes(&self, mime_type: &str) -> Option<Cow<'static, [u8]>> {
+        match mime_type {
+            "text/plain" => Some(self.text_plain.clone()),
+            "text/uri-list" => Some(self.text_uri_list.clone()),
+            _ => None,
+        }
+    }
+}

src/lib.rs

@@ -10,6 +10,7 @@ use std::{path::PathBuf, process};
 
 use app::{App, Flags};
 mod app;
+mod clipboard;
 use config::{Config, CONFIG_VERSION};
 mod config;
 pub mod dialog;