neurocyte/flow
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feat: Add functionals with parameters

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* The group of mut cursels has a new member that receives
a parameter
* Added a function to get the number of items(one visible
cell characters) within a cursel.
This commit is contained in:
Igor Támara 2025-10-29 00:47:11 -05:00 • committed by CJ van den Berg
parent 3249c35c02
commit 411b26d4aa
1 changed files with 38 additions and 0 deletions
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38
src/tui/editor.zig
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@ -1632,6 +1632,26 @@ pub const Editor = struct {
return self.primary.col - self.view.col;
}
pub fn cursel_length(root: Buffer.Root, cursel_: CurSel, metrics: Buffer.Metrics) usize {
var length: usize = 0;
var cursel = cursel_;
cursel.check_selection(root, metrics);
if (cursel.selection) |*sel| {
sel.normalize();
if (sel.begin.row == sel.end.row) {
length = sel.end.col - sel.begin.col;
} else {
var row = sel.begin.row;
while (row < sel.end.row) {
length += root.line_width(row, metrics) catch 0;
row += 1;
}
length = length + sel.end.col - sel.begin.col;
}
}
return length;
}
fn update_event(self: *Self) !void {
const primary = self.get_primary();
const dirty = if (self.buffer) |buf| buf.is_dirty() else false;
@ -2031,6 +2051,23 @@ pub const Editor = struct {
return if (someone_stopped) error.Stop else {};
}
fn with_cursel_mut_arg(self: *Self, root: Buffer.Root, op: cursel_operator_mut_arg, cursel: *CurSel, allocator: Allocator, ctx: Context) error{Stop}!Buffer.Root {
return op(self, root, cursel, allocator, ctx);
}
pub fn with_cursels_mut_once_arg(self: *Self, root_: Buffer.Root, move: cursel_operator_mut_arg, allocator: Allocator, ctx: Context) error{Stop}!Buffer.Root {
var root = root_;
var someone_stopped = false;
for (self.cursels.items) |*cursel_| if (cursel_.*) |*cursel| {
root = self.with_cursel_mut_arg(root, move, cursel, allocator, ctx) catch ret: {
someone_stopped = true;
break :ret root;
};
};
self.collapse_cursors();
return if (someone_stopped) error.Stop else root;
}
fn with_cursel_const(root: Buffer.Root, op: cursel_operator_const, cursel: *CurSel) error{Stop}!void {
return op(root, cursel);
}
@ -2100,6 +2137,7 @@ pub const Editor = struct {
const cursor_operator = *const fn (root: Buffer.Root, cursor: *Cursor, allocator: Allocator) error{Stop}!Buffer.Root;
const cursel_operator = *const fn (root: Buffer.Root, cursel: *CurSel, allocator: Allocator) error{Stop}!Buffer.Root;
const cursel_operator_mut = *const fn (self: *Self, root: Buffer.Root, cursel: *CurSel, allocator: Allocator) error{Stop}!Buffer.Root;
const cursel_operator_mut_arg = *const fn (self: *Self, root: Buffer.Root, cursel: *CurSel, allocator: Allocator, ctx: Context) error{Stop}!Buffer.Root;
pub fn is_not_word_char(c: []const u8) bool {
if (c.len == 0) return true;