ly/src/tui/utils.zig

23 lines
570 B
Zig

const std = @import("std");
const interop = @import("../interop.zig");
const termbox = interop.termbox;
pub fn initCell(ch: u32, fg: u32, bg: u32) termbox.tb_cell {
return .{
.ch = ch,
.fg = fg,
.bg = bg,
};
}
// Every codepoint is assumed to have a width of 1.
// Since ly should be running in a tty, this should be fine.
pub fn strWidth(str: []const u8) !u8 {
const utf8view = try std.unicode.Utf8View.init(str);
var utf8 = utf8view.iterator();
var i: u8 = 0;
while (utf8.nextCodepoint()) |_| i += 1;
return i;
}