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feat: add support for groups in clipboard history

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This introduces the concept of clipboard history groups. A group is created
for each high level clipboard operation. Cut, copy, etc. Single cursor
operations will create a group with just one entry. Multi-cursor operations
on the other hand will create groups with multiple clipboard history entries.
This makes for very powerful clipboard history integration with multi-cursor
support.

This commit also adds the ability to apply integer parmeters to the paste
command to select a clipboard group to paste.

Also, pasting from the system clipboard will detect if the system clipboard is
equivalent to the top most clipboard group, and if so use the group instead.
This allows much better multi-cursor support when using the system copy & paste
commands.
This commit is contained in:
CJ van den Berg 2025-10-31 22:53:14 +01:00
parent 6f57578925
commit 4d375d2d9b
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
5 changed files with 174 additions and 73 deletions
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18
src/tui/mode/helix.zig
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@ -307,7 +307,7 @@ const cmds_ = struct {
const mv = tui.mainview() orelse return;
const ed = mv.get_active_editor() orelse return;
const b = try ed.buf_for_update();
tui.clipboard_clear_all();
tui.clipboard_start_group();
const root = try ed.cut_to(move_noop, b.root);
try ed.update_buf(root);
ed.clamp();
@ -418,7 +418,7 @@ const cmds_ = struct {
const ed = mv.get_active_editor() orelse return;
const root = ed.buf_root() catch return;
tui.clipboard_clear_all();
tui.clipboard_start_group();
for (ed.cursels.items) |*cursel_| if (cursel_.*) |*cursel| if (cursel.selection) |sel|
tui.clipboard_add_chunk(try Editor.copy_selection(root, sel, tui.clipboard_allocator(), ed.metrics));
@ -890,10 +890,10 @@ fn paste_helix(ctx: command.Context, do_paste: pasting_function) command.Result
const ed = mv.get_active_editor() orelse return;
var text_: []const u8 = undefined;
const clipboard: []const []const u8 = if (ctx.args.buf.len > 0 and try ctx.args.match(.{tp.extract(&text_)}))
&[_][]const u8{text_}
const clipboard: []const tui.ClipboardEntry = if (ctx.args.buf.len > 0 and try ctx.args.match(.{tp.extract(&text_)}))
&[_]tui.ClipboardEntry{.{ .text = text_ }}
else
tui.clipboard_get_history() orelse return;
tui.clipboard_get_group(0);
const b = try ed.buf_for_update();
var root = b.root;
@ -905,11 +905,11 @@ fn paste_helix(ctx: command.Context, do_paste: pasting_function) command.Result
var bytes: usize = 0;
for (ed.cursels.items, 0..) |*cursel_, idx| if (cursel_.*) |*cursel| {
if (idx < clipboard.len) {
root = try do_paste(ed, root, cursel, clipboard[idx], b.allocator);
bytes += clipboard[idx].len;
root = try do_paste(ed, root, cursel, clipboard[idx].text, b.allocator);
bytes += clipboard[idx].text.len;
} else {
bytes += clipboard[clipboard.len - 1].len;
root = try do_paste(ed, root, cursel, clipboard[clipboard.len - 1], b.allocator);
bytes += clipboard[clipboard.len - 1].text.len;
root = try do_paste(ed, root, cursel, clipboard[clipboard.len - 1].text, b.allocator);
}
};
ed.logger.print("paste: {d} bytes", .{bytes});