feat(editor): implement cut operations for internal clipboard buffer for vim

This commit is contained in:
lulvz 2025-02-02 16:45:18 +00:00
parent 5d21fb07dc
commit 5269f2eff6
2 changed files with 88 additions and 4 deletions

View file

@ -13,8 +13,8 @@
["b", "move_word_left_vim"],
["w", "move_word_right_vim"],
["e", "move_word_right_end_vim"],
["x", "delete_forward"],
["s", ["delete_forward"], ["enter_mode", "insert"]],
["x", "cut_forward_internal"],
["s", ["cut_forward_internal"], ["enter_mode", "insert"]],
["u", "undo"],
["j", "move_down"],
@ -48,7 +48,7 @@
["G", "move_buffer_end"],
["d$", "delete_to_end"],
["dd", "cut"],
["dd", "cut_internal"],
["\"_dd", "delete_line"],
["yy", "copy_line"],
@ -78,7 +78,11 @@
["k", "select_up"],
["j", "select_down"],
["h", "select_left"],
["l", "select_right"]
["l", "select_right"],
["x", ["cut_forward_internal"], ["enter_mode", "normal"]],
["d", ["cut_forward_internal"], ["enter_mode", "normal"]],
["s", ["cut_forward_internal"], ["enter_mode", "insert"]]
]
},
"insert": {

View file

@ -2364,6 +2364,12 @@ pub const Editor = struct {
}
}
fn set_clipboard_internal(self: *Self, text: []const u8) void {
if (self.clipboard) |old|
self.allocator.free(old);
self.clipboard = text;
}
fn copy_selection(root: Buffer.Root, sel: Selection, text_allocator: Allocator, metrics: Buffer.Metrics) ![]u8 {
var size: usize = 0;
_ = try root.get_range(sel, null, &size, null, metrics);
@ -2411,6 +2417,71 @@ pub const Editor = struct {
return root_;
}
fn cut_to(self: *Self, move: cursor_operator_const, root_: Buffer.Root) !struct { []const u8, Buffer.Root } {
var all_stop = true;
var root = root_;
// For each cursor, collect what would be deleted
var text = std.ArrayList(u8).init(self.allocator);
var first = true;
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
if (cursel.selection) |_| {
const cut_text, root = self.cut_selection(root, cursel) catch continue;
all_stop = false;
if (first) {
first = false;
} else {
try text.appendSlice("\n");
}
try text.appendSlice(cut_text);
continue;
}
with_selection_const(root, move, cursel, self.metrics) catch continue;
const cut_text, root = self.cut_selection(root, cursel) catch continue;
if (first) {
first = false;
} else {
try text.appendSlice("\n");
}
try text.appendSlice(cut_text);
all_stop = false;
};
if (all_stop)
return error.Stop;
return .{text.items, root};
}
pub fn cut_internal(self: *Self, _: Context) Result {
const primary = self.get_primary();
const b = self.buf_for_update() catch return;
var root = b.root;
if (self.cursels.items.len == 1)
if (primary.selection) |_| {} else {
const sel = primary.enable_selection(root, self.metrics) catch return;
try move_cursor_begin(root, &sel.begin, self.metrics);
try move_cursor_end(root, &sel.end, self.metrics);
try move_cursor_right(root, &sel.end, self.metrics);
};
var first = true;
var text = std.ArrayList(u8).init(self.allocator);
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
const cut_text, root = try self.cut_selection(root, cursel);
if (first) {
first = false;
} else {
try text.appendSlice("\n");
}
try text.appendSlice(cut_text);
};
try self.update_buf(root);
self.set_clipboard_internal(text.items);
self.clamp();
}
pub const cut_internal_meta = .{ .description = "Cut selection or current line to internal clipboard" };
pub fn cut(self: *Self, _: Context) Result {
const primary = self.get_primary();
const b = self.buf_for_update() catch return;
@ -2524,6 +2595,15 @@ pub const Editor = struct {
}
pub const delete_backward_meta = .{ .description = "Delete previous character" };
pub fn cut_forward_internal(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const text, const root= try self.cut_to(move_cursor_right, b.root);
self.set_clipboard_internal(text);
try self.update_buf(root);
self.clamp();
}
pub const cut_forward_internal_meta = .{ .description = "Cut next character" };
pub fn delete_word_left(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const root = try self.delete_to(move_cursor_word_left_space, b.root, b.allocator);