Changed file picker

Author: xJonathanLEI

Cargo.lock

@@ -284,6 +284,7 @@ impl MappableCommand {
         buffer_picker, "Open buffer picker",
         jumplist_picker, "Open jumplist picker",
         symbol_picker, "Open symbol picker",
+        changed_file_picker, "Open changed file picker",
         select_references_to_symbol_under_cursor, "Select symbol references",
         workspace_symbol_picker, "Open workspace symbol picker",
         diagnostics_picker, "Open diagnostic picker",
@@ -2579,6 +2580,46 @@ fn jumplist_picker(cx: &mut Context) {
     cx.push_layer(Box::new(overlayed(picker)));
 }
 
+fn changed_file_picker(cx: &mut Context) {
+    let cwd = std::env::current_dir().unwrap_or_else(|_| PathBuf::from("./"));
+
+    let entries = match cx.editor.diff_providers.get_changed_files(&cwd) {
+        Ok(entries) => entries,
+        Err(err) => {
+            cx.editor.set_error(format!("{err}"));
+            return;
+        }
+    };
+
+    let added = cx.editor.theme.get("diff.plus");
+    let deleted = cx.editor.theme.get("diff.minus");
+    let modified = cx.editor.theme.get("diff.delta");
+
+    let picker = FilePicker::new(
+        entries,
+        ui::menu::FileChangeData {
+            cwd,
+            style_untracked: added,
+            style_modified: modified,
+            style_deleted: deleted,
+            style_renamed: modified,
+        },
+        |cx, meta, action| {
+            let path_to_open = meta.path();
+            if let Err(e) = cx.editor.open(path_to_open, action) {
+                let err = if let Some(err) = e.source() {
+                    format!("{}", err)
+                } else {
+                    format!("unable to open \"{}\"", path_to_open.display())
+                };
+                cx.editor.set_error(err);
+            }
+        },
+        |_editor, meta| Some((meta.path().to_path_buf().into(), None)),
+    );
+    cx.push_layer(Box::new(overlayed(picker)));
+}
+
 impl ui::menu::Item for MappableCommand {
     type Data = ReverseKeymap;
 

helix-term/src/commands.rs

@@ -219,9 +219,10 @@ pub fn default() -> HashMap<Mode, Keymap> {
             "S" => workspace_symbol_picker,
             "d" => diagnostics_picker,
             "D" => workspace_diagnostics_picker,
+            "g" => changed_file_picker,
             "a" => code_action,
             "'" => last_picker,
-            "g" => { "Debug (experimental)" sticky=true
+            "G" => { "Debug (experimental)" sticky=true
                 "l" => dap_launch,
                 "b" => dap_toggle_breakpoint,
                 "c" => dap_continue,

helix-term/src/keymap/default.rs

@@ -11,7 +11,8 @@ pub use tui::widgets::{Cell, Row};
 use fuzzy_matcher::skim::SkimMatcherV2 as Matcher;
 use fuzzy_matcher::FuzzyMatcher;
 
-use helix_view::{graphics::Rect, Editor};
+use helix_vcs::FileChange;
+use helix_view::{graphics::Rect, theme::Style, Editor};
 use tui::layout::Constraint;
 
 pub trait Item {
@@ -45,6 +46,37 @@ impl Item for PathBuf {
 
 pub type MenuCallback<T> = Box<dyn Fn(&mut Editor, Option<&T>, MenuEvent)>;
 
+pub struct FileChangeData {
+    pub cwd: PathBuf,
+    pub style_untracked: Style,
+    pub style_modified: Style,
+    pub style_deleted: Style,
+    pub style_renamed: Style,
+}
+
+impl Item for FileChange {
+    type Data = FileChangeData;
+
+    fn format(&self, data: &Self::Data) -> Row {
+        let (sign, style) = match self {
+            Self::Untracked { .. } => ("[+]", data.style_untracked),
+            Self::Modified { .. } => ("[~]", data.style_modified),
+            Self::Deleted { .. } => ("[-]", data.style_deleted),
+            Self::Renamed { .. } => ("[>]", data.style_modified),
+        };
+        let path = self.path();
+
+        Row::new(vec![
+            sign.to_owned(),
+            path.strip_prefix(&data.cwd)
+                .unwrap_or(path)
+                .to_string_lossy()
+                .to_string(),
+        ])
+        .style(style)
+    }
+}
+
 pub struct Menu<T: Item> {
     options: Vec<T>,
     editor_data: T::Data,

helix-term/src/ui/menu.rs

@@ -13,11 +13,15 @@ homepage = "https://helix-editor.com"
 [dependencies]
 helix-core = { version = "0.6", path = "../helix-core" }
 
+anyhow = "1.0"
 tokio = { version = "1", features = ["rt", "rt-multi-thread", "time", "sync", "parking_lot", "macros"] }
 parking_lot = "0.12"
 
+content_inspector = "0.2.4"
 git-repository = { version = "0.32", default-features = false , optional = true }
+ignore = "0.4"
 imara-diff = "0.1.5"
+sha1 = "0.10.0"
 
 log = "0.4"
 

helix-vcs/Cargo.toml

@@ -1,4 +1,5 @@
 use std::ops::Range;
+use std::path::{Path, PathBuf};
 use std::sync::Arc;
 
 use helix_core::Rope;
@@ -277,3 +278,30 @@ impl FileHunks<'_> {
         }
     }
 }
+
+pub enum FileChange {
+    Untracked {
+        path: PathBuf,
+    },
+    Modified {
+        path: PathBuf,
+    },
+    Deleted {
+        path: PathBuf,
+    },
+    Renamed {
+        from_path: PathBuf,
+        to_path: PathBuf,
+    },
+}
+
+impl FileChange {
+    pub fn path(&self) -> &Path {
+        match self {
+            Self::Untracked { path } => path,
+            Self::Modified { path } => path,
+            Self::Deleted { path } => path,
+            Self::Renamed { to_path, .. } => to_path,
+        }
+    }
+}