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feat(vim): add vim-style cut, copy, and paste operations that use internal clipboard only

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This commit is contained in:
lulvz 2025-02-03 20:09:12 +00:00
parent 87fb11eaa1
commit 04748a4add
2 changed files with 129 additions and 9 deletions
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122
src/tui/editor.zig
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@ -2417,6 +2417,16 @@ pub const Editor = struct {
return root_;
}
fn insert_line_vim(self: *Self, root: Buffer.Root, cursel: *CurSel, s: []const u8, allocator: Allocator) !Buffer.Root {
var root_ = if (cursel.selection) |_| try self.delete_selection(root, cursel, allocator) else root;
const cursor = &cursel.cursor;
const begin = cursel.cursor;
_, _, root_ = try root_.insert_chars(cursor.row, cursor.col, s, allocator, self.metrics);
cursor.target = cursor.col;
self.nudge_insert(.{ .begin = begin, .end = cursor.* }, cursel, s.len);
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_;
@ -2453,19 +2463,20 @@ pub const Editor = struct {
return .{text.items, root};
}
pub fn cut_internal(self: *Self, _: Context) Result {
pub fn cut_internal_vim(self: *Self, _: Context) Result {
const primary = self.get_primary();
const b = self.buf_for_update() catch return;
var root = b.root;
var text = std.ArrayList(u8).init(self.allocator);
if (self.cursels.items.len == 1)
if (primary.selection) |_| {} else {
try text.appendSlice("\n");
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) {
@ -2479,7 +2490,7 @@ pub const Editor = struct {
self.set_clipboard_internal(text.items);
self.clamp();
}
pub const cut_internal_meta = .{ .description = "Cut selection or current line to internal clipboard" };
pub const cut_internal_vim_meta = .{ .description = "Cut selection or current line to internal clipboard (vim)" };
pub fn cut(self: *Self, _: Context) Result {
const primary = self.get_primary();
@ -2543,6 +2554,66 @@ pub const Editor = struct {
}
pub const copy_meta = .{ .description = "Copy selection to clipboard" };
pub fn copy_internal_vim(self: *Self, _: Context) Result {
const root = self.buf_root() catch return;
var first = true;
var text = std.ArrayList(u8).init(self.allocator);
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
if (cursel.selection) |sel| {
const copy_text = try copy_selection(root, sel, self.allocator, self.metrics);
if (first) {
first = false;
} else {
try text.appendSlice("\n");
}
try text.appendSlice(copy_text);
}
};
if (text.items.len > 0) {
if (text.items.len > 100) {
self.logger.print("copy:{s}...", .{std.fmt.fmtSliceEscapeLower(text.items[0..100])});
} else {
self.logger.print("copy:{s}", .{std.fmt.fmtSliceEscapeLower(text.items)});
}
self.set_clipboard_internal(text.items);
}
}
pub const copy_internal_vim_meta = .{ .description = "Copy selection to internal clipboard (vim)" };
pub fn copy_line_internal_vim(self: *Self, _: Context) Result {
const primary = self.get_primary();
const root = self.buf_root() catch return;
var first = true;
var text = std.ArrayList(u8).init(self.allocator);
try text.appendSlice("\n");
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);
}
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
if (cursel.selection) |sel| {
const copy_text = try copy_selection(root, sel, self.allocator, self.metrics);
if (first) {
first = false;
} else {
try text.appendSlice("\n");
}
try text.appendSlice(copy_text);
}
};
if (text.items.len > 0) {
if (text.items.len > 100) {
self.logger.print("copy:{s}...", .{std.fmt.fmtSliceEscapeLower(text.items[0..100])});
} else {
self.logger.print("copy:{s}", .{std.fmt.fmtSliceEscapeLower(text.items)});
}
self.set_clipboard_internal(text.items);
}
}
pub const copy_line_internal_vim_meta = .{ .description = "Copy line to internal clipboard (vim)" };
pub fn paste(self: *Self, ctx: Context) Result {
var text: []const u8 = undefined;
if (!(ctx.args.buf.len > 0 and try ctx.args.match(.{tp.extract(&text)}))) {
@ -2578,6 +2649,51 @@ pub const Editor = struct {
}
pub const paste_meta = .{ .description = "Paste from internal clipboard" };
pub fn paste_internal_vim(self: *Self, ctx: Context) Result {
var text: []const u8 = undefined;
if (!(ctx.args.buf.len > 0 and try ctx.args.match(.{tp.extract(&text)}))) {
if (self.clipboard) |text_| text = text_ else return;
}
self.logger.print("paste: {d} bytes", .{text.len});
const b = try self.buf_for_update();
var root = b.root;
if(std.mem.eql(u8, text[text.len-1..], "\n")) text = text[0..text.len-1];
if (std.mem.indexOfScalar(u8, text, '\n')) |idx| {
if(idx == 0) {
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
try move_cursor_end(root, &cursel.cursor, self.metrics);
root = try self.insert(root, cursel, "\n", b.allocator);
};
text = text[1..];
}
if (self.cursels.items.len == 1) {
const primary = self.get_primary();
root = try self.insert_line_vim(root, primary, text, b.allocator);
} else {
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
root = try self.insert_line_vim(root, cursel, text, b.allocator);
};
}
} else {
if (self.cursels.items.len == 1) {
const primary = self.get_primary();
root = try self.insert(root, primary, text, b.allocator);
} else {
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
root = try self.insert(root, cursel, text, b.allocator);
};
}
}
try self.update_buf(root);
self.clamp();
self.need_render();
}
pub const paste_internal_vim_meta = .{ .description = "Paste from internal clipboard (vim)" };
pub fn delete_forward(self: *Self, _: Context) Result {
const b = try self.buf_for_update();
const root = try self.delete_to(move_cursor_right, b.root, b.allocator);