diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/body_layer.zig | 23 | ||||
| -rw-r--r-- | src/config.zig | 3 | ||||
| -rw-r--r-- | src/modal.zig | 51 | ||||
| -rw-r--r-- | src/normal.zig | 39 | ||||
| -rw-r--r-- | src/panes.zig | 4 | ||||
| -rw-r--r-- | src/pardes.zig | 2 |
6 files changed, 122 insertions, 0 deletions
diff --git a/src/body_layer.zig b/src/body_layer.zig index c8e229c4..a354512f 100644 --- a/src/body_layer.zig +++ b/src/body_layer.zig @@ -477,6 +477,29 @@ pub fn renderBody(p: *Pardes, arena: std.mem.Allocator, pane: *Pane, r: Rect, id } } + // `gw`'s labels, two letters over the start of each word + if (pane.jump.items.len > 0) labels: { + const flat = edit.flatSurface(p, &pane.body) catch break :labels; + const letters = config.jump_label_alphabet; + const style: CellStyle = .{ .fg = .{ .rgb = th.sel_fg }, .bg = .{ .rgb = th.sel_bg }, .bold = true }; + for (pane.jump.items, 0..) |word, i| { + if (pane.jump_first) |first| if (i / letters.len != first) continue; + var at = @min(word.anchor, word.head); + for ([_]u8{ letters[i / letters.len], letters[i % letters.len] }) |letter| { + const pos = modal.positionAt(flat, at); + const row: i32 = @intCast(pos.row); + const wp = pane.wrapRow(row, @intCast(pos.col)); + const cx = if (pane.file != null) + @as(i32, panes.File.gutterWidth(pane)) + panes.File.displayOffset(pane, row, wp.at, @intCast(pos.col)) + else + panes.File.lineDisplayOffset(modal.lineSlice(flat, pos.row), @intCast(@max(0, wp.at)), pos.col); + if (wp.row >= 0 and wp.row < body_h and cx >= 0 and cx < tw) + s.set(tx + @as(u16, @intCast(cx)), body_y + @as(u16, @intCast(wp.row)), &.{letter}, style); + at = modal.nextGrapheme(flat, at); + } + } + } + // cursor: tracks the shell cursor until pinned by a click or a key // (the tag's or a prompt's cursor wins while that is being typed into) if (active and pane.focus == .body and (pane.prompt == .none or pane.prompt == .del_side or pane.prompt == .repl_choice)) { diff --git a/src/config.zig b/src/config.zig index daa40028..3739d3f4 100644 --- a/src/config.zig +++ b/src/config.zig @@ -490,6 +490,9 @@ pub const goto_view_top: []const Chord = &.{.{ .cp = 't' }}; pub const goto_view_center: []const Chord = &.{.{ .cp = 'c' }}; pub const goto_view_bottom: []const Chord = &.{.{ .cp = 'b' }}; pub const goto_last_modification: []const Chord = &.{.{ .cp = '.' }}; +pub const goto_word: []const Chord = &.{.{ .cp = 'w' }}; +/// the jump labels' letters, helix's jump_label_alphabet +pub const jump_label_alphabet = "abcdefghijklmnopqrstuvwxyz"; pub const goto_definition: []const Chord = &.{.{ .cp = 'd' }}; pub const goto_declaration: []const Chord = &.{.{ .cp = 'D' }}; pub const goto_type_definition: []const Chord = &.{.{ .cp = 'y' }}; diff --git a/src/modal.zig b/src/modal.zig index 16196b4f..6371475c 100644 --- a/src/modal.zig +++ b/src/modal.zig @@ -30,6 +30,7 @@ pub const Normal = struct { goto_view_center, goto_view_bottom, goto_last_modification, + goto_word, goto_definition, goto_declaration, goto_type_definition, @@ -346,6 +347,7 @@ pub const Normal = struct { pipe_selection: PipeBehavior, search, search_step: Direction, + goto_word, macro_record, macro_replay: u32, node: NodeWalk, @@ -364,6 +366,7 @@ pub const Normal = struct { .macro_record, .macro_replay, .node, + .goto_word, .repeat_insert, => .once, .edit => |edit| switch (edit.kind) { @@ -447,6 +450,7 @@ pub const Normal = struct { if (key.has(.goto_view_top)) return resultAction(.{ .goto = .{ .target = .view_top, .count = count, .explicit_count = counted.explicit } }); if (key.has(.goto_view_center)) return resultAction(.{ .goto = .{ .target = .view_center, .count = count, .explicit_count = counted.explicit } }); if (key.has(.goto_view_bottom)) return resultAction(.{ .goto = .{ .target = .view_bottom, .count = count, .explicit_count = counted.explicit } }); + if (key.has(.goto_word)) return resultAction(.goto_word); if (key.has(.goto_last_modification)) return resultAction(.{ .goto = .{ .target = .last_modification, .count = count, .explicit_count = counted.explicit } }); if (key.has(.goto_definition)) return resultAction(.{ .lsp = .definition }); if (key.has(.goto_declaration)) return resultAction(.{ .lsp = .declaration }); @@ -1382,6 +1386,53 @@ fn wmIsPrev(t: WordTarget) bool { } /// w/b/e/W/B/E: helix word_move — each step selects the traversed span. +/// helix jump_to_word's candidates: the words of two or more word +/// characters between `start` and `end`, nearest the cursor first, taking one +/// forward and one back in turn, each over its word pointing the way it was +/// found, as many as `out` holds. +pub fn jumpWords(text: []const u8, cursor: usize, start: usize, end: usize, out: []Selection) usize { + var fwd: Selection = .{ .anchor = cursor, .head = cursor }; + var rev = fwd; + if (cursor < text.len and !isWordWhitespace(wordClassAt(text, cursor))) { + const word_end = moveWord(text, fwd, 1, .next_word_end); + if (word_end.anchor == cursor) fwd = word_end; // a word of one grapheme + const word_start = moveWord(text, rev, 1, .prev_word_start); + if (word_start.anchor == nextGrapheme(text, cursor)) rev = word_start; + } + var n: usize = 0; + while (n < out.len) { + var changed = false; + while (fwd.head < end) { + fwd = moveWord(text, fwd, 1, .next_word_end); + // the two graphemes before the head are word characters + const one = prevGrapheme(text, fwd.head); + if (fwd.head == 0 or one == 0 or wordClassAt(text, one) != .word or wordClassAt(text, prevGrapheme(text, one)) != .word) continue; + changed = true; + var from = fwd.anchor; + while (from < fwd.head and wordClassAt(text, from) != .word) from = nextGrapheme(text, from); + fwd.anchor = from; + out[n] = fwd; + n += 1; + break; + } + if (n == out.len) break; + while (rev.head > start) { + rev = moveWord(text, rev, 1, .prev_word_start); + // the two graphemes from the head are word characters + if (wordClassAt(text, rev.head) != .word or wordClassAt(text, nextGrapheme(text, rev.head)) != .word) continue; + changed = true; + var to = rev.anchor; + while (to > rev.head and wordClassAt(text, prevGrapheme(text, to)) != .word) to = prevGrapheme(text, to); + rev.anchor = to; + out[n] = rev; + n += 1; + break; + } + if (!changed) break; + } + return n; +} + pub fn moveWord(text: []const u8, r0: Selection, count: usize, target: WordTarget) Selection { const is_prev = wmIsPrev(target); if ((is_prev and r0.head == 0) or (!is_prev and r0.head == text.len)) return r0; diff --git a/src/normal.zig b/src/normal.zig index f7ba3810..4459ab53 100644 --- a/src/normal.zig +++ b/src/normal.zig @@ -245,6 +245,44 @@ pub fn nodeSelect(p: *Pardes, pane: *Pane, t: *Text, walk: modal.Normal.NodeWalk t.setRanges(text, out[0..m], &.{}, @min(got.pri, m - 1), expl); } +/// `gw` (helix goto_word): label the words in view, nearest the cursor first, +/// with two letters each; the next two keys choose one (`jumpKey`). +fn startJump(p: *Pardes, pane: *Pane, t: *Text) void { + if (t.what != .body) return; + const text = edit.flatSurface(p, t) catch return; + const cursor = modal.selectionCursor(text, t.primaryRange(text, 0)); + const top: usize = @intCast(@max(0, pane.scroll())); + const start = @min(modal.lineStartOffset(text, top), text.len); + const end = @min(modal.lineStartOffset(text, top + pane.rows), text.len); + const letters = config.jump_label_alphabet.len; + pane.jump.resize(p.gpa, letters * letters) catch return; + pane.jump.shrinkRetainingCapacity(modal.jumpWords(text, cursor, start, end, pane.jump.items)); + pane.jump_first = null; +} + +/// A key while `gw`'s labels are up: a label's first letter, then its +/// second, which selects that word; anything else takes the labels away. +pub fn jumpKey(p: *Pardes, pane: *Pane, t: *Text, key: Key) void { + const letters = config.jump_label_alphabet; + const at = if (key.ctrl or key.alt or key.cp > 0x7f) null else std.mem.indexOfScalar(u8, letters, @intCast(key.cp)); + const i = at orelse return pane.jump.clearRetainingCapacity(); + const first = pane.jump_first orelse { + if (i * letters.len > pane.jump.items.len) return pane.jump.clearRetainingCapacity(); + pane.jump_first = @intCast(i); + return; + }; + const chosen = first * letters.len + i; + defer pane.jump.clearRetainingCapacity(); + if (chosen >= pane.jump.items.len) return; + const r = pane.jump.items[chosen]; + const text = edit.flatSurface(p, t) catch return; + if (!t.select) return t.setRange(text, 0, .{ .anchor = @min(r.anchor, r.head), .head = @max(r.anchor, r.head) }, true); + // select mode stretches the primary to the word (helix Movement::Extend) + const pr = t.primaryRange(text, 0); + const anchor = if (r.anchor < r.head) @min(r.anchor, @min(pr.anchor, pr.head)) else @max(r.anchor, @max(pr.anchor, pr.head)); + t.setRange(text, 0, .{ .anchor = anchor, .head = r.head }, true); +} + const KeyState = struct { mode: Text.Mode, select: bool, @@ -706,6 +744,7 @@ fn executeNormalAction(p: *Pardes, t: *Text, semantic: modal.Normal.Action) void if (direction == .forward) @as(i32, 1) else -1, ), .node => |walk| return nodeSelect(p, pane, t, walk), + .goto_word => return startJump(p, pane, t), .macro_record => { const m = &p.macro; if (m.recording == 0) { diff --git a/src/panes.zig b/src/panes.zig index 67954abd..7114b68e 100644 --- a/src/panes.zig +++ b/src/panes.zig @@ -154,6 +154,10 @@ pub const Pane = struct { search_pane: ?usize = null, search_row: ?usize = null, look_at: ?LookSpot = null, + /// `gw`'s words, labelled in order while it waits for a label to be + /// typed (gpa-owned); `jump_first` is the label's first letter once typed. + jump: std.ArrayList(modal.Selection) = .empty, + jump_first: ?u8 = null, sel_snap: [Text.max_selections]modal.Selection = undefined, nsel_snap: u16 = 0, sel_snap_pri: u16 = 0, diff --git a/src/pardes.zig b/src/pardes.zig index d43b38b1..6b397017 100644 --- a/src/pardes.zig +++ b/src/pardes.zig @@ -4395,6 +4395,7 @@ pub const Pardes = struct { pane.body.deinit(p.gpa); pane.tag.deinit(p.gpa); pane.input.deinit(p.gpa); + pane.jump.deinit(p.gpa); panes.Terminal.deinitEmulator(pane, p.gpa); pane.clearCwd(); pane.fs.deinit(p.gpa); @@ -5284,6 +5285,7 @@ pub const Pardes = struct { if (normal.selRegexArmed(pane)) |a| if (p.promptTarget(pane)) |answered| normal.applySelRegex(p, pane, answered, a.pat, a.mode); return; } + if (t == &pane.body and pane.jump.items.len > 0) return normal.jumpKey(p, pane, t, key); if (t.mode == .normal and p.macro.replaying == 0 and (hit(key, config.look_key) or hit(key, config.exec_key))) { // A header's words are the workspace's and column's commands, so // Enter runs them there, as the execute key does. |