diff options
| -rw-r--r-- | docs/fs.md | 4 | ||||
| -rw-r--r-- | src/ninep/pane.zig | 7 |
2 files changed, 10 insertions, 1 deletions
@@ -185,7 +185,9 @@ pane. `tag` reads the whole tag as the pane shows it: the computed path, dirty marker or PDF page, then the text you may edit. A write appends to that text, newlines included, and a tag with more than one line takes a row per line on -screen; truncating `tag` clears it, as acme's `cleartag` does. +screen; truncating `tag` clears it, as acme's `cleartag` does. The clearing +is an edit of the tag like a typed one and its undo history is kept: `u` in +the tag brings back the text it cleared. Stats report real lengths for `index`, `status`, `look`, `exec`, `listeners`, `name`, `body`, `tag`, `sel`, `ctl`, the range files and the flag files, and diff --git a/src/ninep/pane.zig b/src/ninep/pane.zig index 245e0bb4..80dd97cd 100644 --- a/src/ninep/pane.zig +++ b/src/ninep/pane.zig @@ -609,6 +609,8 @@ pub fn truncate(p: *Pardes, pane: *Pane, file: PaneFile) tree.Status { }, .tag => { const empty = p.gpa.alloc(u8, 0) catch return .err; + // An edit like a keyboard one: `u` in the tag brings it back. + pane.tag.remember(p.gpa, if (pane.tag.own) |own| .{ .text = own } else null); if (pane.tag.own) |own| p.gpa.free(own); pane.tag.own = empty; pane.tag.cur_row = 0; @@ -893,6 +895,11 @@ test "truncating the tag clears its editable tail" { try testing.expectEqual(Status.ok, cleared.reply.status); try testing.expectEqualStrings("", pane.tag.own.?); try testing.expect(std.mem.indexOf(u8, rd(p, tag, 0, 4096).bytes, " Mine") == null); + // The tag keeps its undo: undoing in it brings back what was cleared. + pardes.edit.doUndo(p, &pane.tag); + try testing.expect(std.mem.endsWith(u8, tagline.curTail(pane), " Mine")); + _ = call(p, .{ .tag = 2, .op = .setattr, .node = tag, .truncate = true }); + try testing.expectEqualStrings("", pane.tag.own.?); // Written back without a leading space, the text still stands apart // from the path: the computed prefix brings the separator, so Look and |