feat: implement helix search_selection and add_next_match_helix

src/keybind/builtin/helix.json

@@ -384,7 +384,7 @@
             ["?", "rfind"],
 
             ["N", "extend_search_next"],
-            ["*", "extend_search_prev"],
+            ["*", "search_selection"],
 
             ["r", "replace"],
             ["P", "paste_clipboard_before"],
@@ -500,7 +500,7 @@
             ["] space", "add_newline_below"],
 
             ["/", "find"],
-            ["n", "goto_next_match"],
+            ["n", "add_next_match_helix"],
 
             ["u", "undo"],
             ["U", "redo"],

src/tui/editor.zig

@@ -5282,7 +5282,7 @@ pub const Editor = struct {
         (history.addOne(self.allocator) catch return).* = new;
     }
 
-    fn set_last_find_query(self: *Self, query: []const u8, match_type: Match.Type) void {
+    pub fn set_last_find_query(self: *Self, query: []const u8, match_type: Match.Type) void {
         self.last_find_query_match_type = match_type;
         if (self.last_find_query) |last| {
             if (query.ptr != last.ptr) {
@@ -5523,14 +5523,18 @@ pub const Editor = struct {
     }
     pub const move_cursor_next_match_meta: Meta = .{ .description = "Move cursor to next hightlighted match" };
 
+    pub fn repeat_last_find(self: *Self) Result {
+        if (self.last_find_query) |last| {
+            self.find_operation = .goto_next_match;
+            try self.find_in_buffer(last, self.last_find_query_match_type, .exact);
+        }
+    }
+
     pub fn goto_next_match(self: *Self, ctx: Context) Result {
         try self.send_editor_jump_source();
         self.cancel_all_selections();
         if (self.matches.items.len == 0) {
-            if (self.last_find_query) |last| {
-                self.find_operation = .goto_next_match;
-                try self.find_in_buffer(last, self.last_find_query_match_type, .exact);
-            }
+            try self.repeat_last_find();
         }
         try self.move_cursor_next_match(ctx);
         try self.send_editor_jump_destination();

src/tui/mode/helix.zig

@@ -498,6 +498,30 @@ const cmds_ = struct {
         ed.get_primary().* = primary;
     }
     pub const keep_primary_selection_meta: Meta = .{};
+
+    pub fn search_selection(_: *void, _: Ctx) Result {
+        const mv = tui.mainview() orelse return;
+        const ed = mv.get_active_editor() orelse return;
+        const sel = ed.get_primary().selection orelse {
+            ed.logger.print("no selection", .{});
+            return;
+        };
+        const query = try ed.get_selection(sel, ed.allocator);
+        defer ed.allocator.free(query);
+        ed.match_type = .find;
+        ed.set_last_find_query(query, .find);
+        ed.logger.print("set find register to '{s}'", .{query});
+    }
+    pub const search_selection_meta: Meta = .{};
+
+    pub fn add_next_match_helix(_: *void, _: Ctx) Result {
+        const mv = tui.mainview() orelse return;
+        const ed = mv.get_active_editor() orelse return;
+        if (ed.matches.items.len == 0)
+            try ed.repeat_last_find();
+        try ed.add_cursor_next_match(.{});
+    }
+    pub const add_next_match_helix_meta: Meta = .{};
 };
 
 fn match_bracket(root: Buffer.Root, cursel: *CurSel, ctx: command.Context, metrics: Buffer.Metrics) error{Stop}!void {