Added native Windows clipboard support (#373)

* Added native Windows clipboard support

* make conditional

wip

better conditional

wip

wip

wip

wip

make conditional

2 files changed, 29 insertions, 1 deletions

diff --git a/helix-view/Cargo.toml b/helix-view/Cargo.toml
index b4379952..cb2032de 100644
--- a/helix-view/Cargo.toml
+++ b/helix-view/Cargo.toml
@@ -38,5 +38,8 @@ log = "~0.4"
 
 which = "4.1"
 
+[target.'cfg(windows)'.dependencies]
+clipboard-win = { version = "4.2", features = ["std"] }
+
 [dev-dependencies]
 helix-tui = { path = "../helix-tui" }
diff --git a/helix-view/src/clipboard.rs b/helix-view/src/clipboard.rs
index e32933e3..401c0459 100644
--- a/helix-view/src/clipboard.rs
+++ b/helix-view/src/clipboard.rs
@@ -77,7 +77,11 @@ pub fn get_clipboard_provider() -> Box<dyn ClipboardProvider> {
             copy => "tmux", "load-buffer", "-";
         }
     } else {
-        Box::new(provider::NopProvider)
+        #[cfg(target_os = "windows")]
+        return Box::new(provider::WindowsProvider);
+
+        #[cfg(not(target_os = "windows"))]
+        return Box::new(provider::NopProvider);
     }
 }
 
@@ -120,6 +124,27 @@ mod provider {
         }
     }
 
+    #[cfg(target_os = "windows")]
+    #[derive(Debug)]
+    pub struct WindowsProvider;
+
+    #[cfg(target_os = "windows")]
+    impl ClipboardProvider for WindowsProvider {
+        fn name(&self) -> Cow<str> {
+            Cow::Borrowed("clipboard-win")
+        }
+
+        fn get_contents(&self) -> Result<String> {
+            let contents = clipboard_win::get_clipboard(clipboard_win::formats::Unicode)?;
+            Ok(contents)
+        }
+
+        fn set_contents(&self, contents: String) -> Result<()> {
+            clipboard_win::set_clipboard(clipboard_win::formats::Unicode, contents)?;
+            Ok(())
+        }
+    }
+
     #[derive(Debug)]
     pub struct CommandConfig {
         pub prg: &'static str,