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feat: [hx] mm match brackets support

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Igor Támara 2025-11-09 18:59:38 -05:00 • committed by CJ van den Berg
parent 5a2ef01645
commit f6d1f27337
3 changed files with 47 additions and 3 deletions
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45
src/tui/mode/helix.zig
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@ -209,6 +209,15 @@ const cmds_ = struct {
}
pub const split_selection_on_newline_meta: Meta = .{ .description = "Add cursor to each line in selection helix" };
pub fn match_brackets(_: *void, ctx: Ctx) Result {
const mv = tui.mainview() orelse return;
const ed = mv.get_active_editor() orelse return;
const root = ed.buf_root() catch return;
try ed.with_cursels_const_once_arg(root, &match_bracket, ctx);
ed.clamp();
}
pub const match_brackets_meta: Meta = .{ .description = "Goto matching bracket" };
pub fn extend_line_below(_: *void, ctx: Ctx) Result {
const mv = tui.mainview() orelse return;
const ed = mv.get_active_editor() orelse return;
@ -443,6 +452,42 @@ const cmds_ = struct {
pub const replace_with_character_helix_meta: Meta = .{ .description = "Replace with character" };
};
fn match_bracket(root: Buffer.Root, cursel: *CurSel, ctx: command.Context, metrics: Buffer.Metrics) error{Stop}!void {
var symbol: []const u8 = undefined;
const mode: enum { helix_sel_mode, helix_nor_mode } = if ((ctx.args.match(.{tp.extract(&symbol)}) catch false) and
std.mem.eql(u8, @tagName(.helix_sel_mode), symbol)) .helix_sel_mode else .helix_nor_mode;
if (mode == .helix_sel_mode) {
const begin: Cursor = if (cursel.selection) |sel| sel.begin else cursel.*.cursor;
if (cursel.*.selection) |*sel| {
const row, const col = Editor.match_bracket(root, cursel.*.cursor, metrics) catch blk: {
// Selection in hx mode requires to move to the left to begin manipulation
try cursel.*.cursor.move_left(root, metrics);
break :blk try Editor.match_bracket(root, cursel.*.cursor, metrics);
};
cursel.*.cursor.row = row;
cursel.*.cursor.col = col;
sel.end = cursel.*.cursor;
//Then to include the whole selection, requires to extend to the right
if (sel.is_reversed()) {
try sel.begin.move_right(root, metrics);
} else {
try cursel.*.cursor.move_right(root, metrics);
try sel.end.move_right(root, metrics);
}
} else {
cursel.*.selection = Selection.from_cursor(&begin);
cursel.*.selection.?.end = cursel.*.cursor;
}
} else {
const row, const col = try Editor.match_bracket(root, cursel.*.cursor, metrics);
cursel.*.cursor.row = row;
cursel.*.cursor.col = col;
cursel.*.selection = null;
}
}
fn move_to_word(ctx: command.Context, move: Editor.cursor_operator_const) command.Result {
const mv = tui.mainview() orelse return;
const ed = mv.get_active_editor() orelse return;