feat: add command to add cursors to all line ends

help.md

@@ -142,6 +142,9 @@ cycle style of editing.
 - Ctrl-Shift-l =>
         Add cursors to all matches
 
+- Shift-Alt-i =>
+        Add cursors to line ends
+
 - Ctrl-MouseLeft =>
         Add cursor at mouse click
 

src/tui/editor.zig

@@ -2098,6 +2098,33 @@ pub const Editor = struct {
         try self.send_editor_jump_destination();
     }
 
+    fn add_cursors_to_cursel_line_ends(self: *Self, root: Buffer.Root, cursel: *CurSel) !void {
+        var sel = cursel.enable_selection();
+        sel.normalize();
+        var row = sel.begin.row;
+        while (row <= sel.end.row) : (row += 1) {
+            const new_cursel = try self.cursels.addOne();
+            new_cursel.* = CurSel{
+                .selection = null,
+                .cursor = .{
+                    .row = row,
+                    .col = 0,
+                },
+            };
+            new_cursel.*.?.cursor.move_end(root);
+        }
+    }
+
+    pub fn add_cursors_to_line_ends(self: *Self, _: command.Context) tp.result {
+        const root = self.buf_root() catch |e| return tp.exit_error(e);
+        const cursels = self.cursels.toOwnedSlice() catch |e| return tp.exit_error(e);
+        defer self.cursels.allocator.free(cursels);
+        for (cursels) |*cursel_| if (cursel_.*) |*cursel|
+            self.add_cursors_to_cursel_line_ends(root, cursel) catch |e| return tp.exit_error(e);
+        self.collapse_cursors();
+        self.clamp();
+    }
+
     fn pull_cursel_up(self: *Self, root_: Buffer.Root, cursel: *CurSel, a: Allocator) error{Stop}!Buffer.Root {
         var root = root_;
         const saved = cursel.*;

src/tui/mode/input/flow.zig

@@ -152,6 +152,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
             'F' => self.cmd("filter", command.fmt(.{ "zig", "fmt", "--stdin" })),
             'S' => self.cmd("filter", command.fmt(.{ "sort", "-u" })),
             'V' => self.cmd("paste", .{}),
+            'I' => self.cmd("add_cursors_to_line_ends", .{}),
             key.LEFT => self.cmd("move_scroll_left", .{}),
             key.RIGHT => self.cmd("move_scroll_right", .{}),
             key.UP => self.cmd("add_cursor_up", .{}),

src/tui/mode/input/vim/insert.zig

@@ -152,6 +152,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
             'F' => self.cmd("filter", command.fmt(.{ "zig", "fmt", "--stdin" })),
             'S' => self.cmd("filter", command.fmt(.{ "sort", "-u" })),
             'V' => self.cmd("paste", .{}),
+            'I' => self.cmd("add_cursors_to_line_ends", .{}),
             key.LEFT => self.cmd("move_scroll_left", .{}),
             key.RIGHT => self.cmd("move_scroll_right", .{}),
             key.UP => self.cmd("add_cursor_up", .{}),

src/tui/mode/input/vim/normal.zig

@@ -157,6 +157,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
             'F' => self.cmd("filter", command.fmt(.{ "zig", "fmt", "--stdin" })),
             'S' => self.cmd("filter", command.fmt(.{ "sort", "-u" })),
             'V' => self.cmd("paste", .{}),
+            'I' => self.cmd("add_cursors_to_line_ends", .{}),
             key.LEFT => self.cmd("move_scroll_left", .{}),
             key.RIGHT => self.cmd("move_scroll_right", .{}),
             key.UP => self.cmd("add_cursor_up", .{}),

src/tui/mode/input/vim/visual.zig

@@ -155,6 +155,7 @@ fn mapPress(self: *Self, keypress: u32, egc: u32, modifiers: u32) tp.result {
             'F' => self.cmd("filter", command.fmt(.{ "zig", "fmt", "--stdin" })),
             'S' => self.cmd("filter", command.fmt(.{ "sort", "-u" })),
             'V' => self.cmd("paste", .{}),
+            'I' => self.cmd("add_cursors_to_line_ends", .{}),
             key.LEFT => self.cmd("move_scroll_left", .{}),
             key.RIGHT => self.cmd("move_scroll_right", .{}),
             else => {},