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fix(editor): store current cursor position correctly on initial undo

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This commit is contained in:
CJ van den Berg 2024-06-13 20:21:09 +02:00
parent b1faa02049
commit 34bbfd49ad
1 changed files with 9 additions and 1 deletions
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10
src/tui/editor.zig
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@ -482,6 +482,14 @@ pub const Editor = struct {
return meta.toOwnedSlice();
}
fn store_current_undo_meta(self: *Self, a: Allocator) ![]u8 {
var meta = std.ArrayList(u8).init(a);
const writer = meta.writer();
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel|
try cursel.write(writer);
return meta.toOwnedSlice();
}
fn update_buf(self: *Self, root: Buffer.Root) !void {
const b = if (self.buffer) |p| p else return error.Stop;
var sfa = std.heap.stackFallback(512, self.a);
@ -510,7 +518,7 @@ pub const Editor = struct {
self.cancel_all_matches();
var sfa = std.heap.stackFallback(512, self.a);
const a = sfa.get();
const redo_meta = try self.store_undo_meta(a);
const redo_meta = try self.store_current_undo_meta(a);
defer a.free(redo_meta);
const meta = b_mut.undo(redo_meta) catch |e| switch (e) {
error.Stop => {