ViEditor: Implement put/yank registers

Cargo.toml

@@ -15,7 +15,7 @@ fontdb = { version = "0.16.0", default-features = false }
 hashbrown = { version = "0.14.1", optional = true, default-features = false }
 libm = "0.2.8"
 log = "0.4.20"
-modit = { version = "0.1.1", optional = true }
+modit = { version = "0.1.2", optional = true }
 rangemap = "1.4.0"
 rustc-hash = { version = "1.1.0", default-features = false }
 rustybuzz = { version = "0.11.0", default-features = false, features = ["libm"] }

src/edit/vi.rs

@@ -1,4 +1,4 @@
-use alloc::string::String;
+use alloc::{collections::BTreeMap, string::String};
 use core::cmp;
 use modit::{Event, Key, Motion, Parser, TextObject, WordIter};
 use unicode_segmentation::UnicodeSegmentation;
@@ -155,6 +155,7 @@ pub struct ViEditor<'a> {
     editor: SyntaxEditor<'a>,
     parser: ViParser,
     passthrough: bool,
+    registers: BTreeMap<char, (Selection, String)>,
     search_opt: Option<(String, bool)>,
     commands: cosmic_undo_2::Commands<Change>,
     changed: bool,
@@ -166,6 +167,7 @@ impl<'a> ViEditor<'a> {
             editor,
             parser: ViParser::new(),
             passthrough: false,
+            registers: BTreeMap::new(),
             search_opt: None,
             commands: cosmic_undo_2::Commands::new(),
             changed: false,
@@ -378,16 +380,18 @@ impl<'a> Edit for ViEditor<'a> {
                     finish_change(editor, &mut self.commands, &mut self.changed);
                     return;
                 }
-                Event::Copy => {
-                    log::info!("TODO");
-                    return;
-                }
                 Event::Delete => Action::Delete,
                 Event::Escape => Action::Escape,
                 Event::Insert(c) => Action::Insert(c),
                 Event::NewLine => Action::Enter,
-                Event::Paste => {
+                Event::Put { register, after } => {
-                    log::info!("TODO");
+                    if let Some((selection, data)) = self.registers.get(&register) {
+                        editor.start_change();
+                        editor.delete_selection();
+                        //TODO: handle after/before and select by line
+                        editor.insert_string(data, None);
+                        finish_change(editor, &mut self.commands, &mut self.changed);
+                    }
                     return;
                 }
                 Event::Redraw => {
@@ -473,6 +477,12 @@ impl<'a> Edit for ViEditor<'a> {
                     }
                     return;
                 }
+                Event::Yank { register } => {
+                    if let Some(data) = editor.copy_selection() {
+                        self.registers.insert(register, (editor.selection(), data));
+                    }
+                    return;
+                }
                 Event::Motion(motion) => {
                     match motion {
                         Motion::Around => {