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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455const std = @import("std");const vaxis = @import("../main.zig");
const digits = "0123456789";
num_lines: usize = std.math.maxInt(usize),highlighted_line: usize = 0,style: vaxis.Style = .{ .dim = true },highlighted_style: vaxis.Style = .{ .dim = true, .bg = .{ .index = 0 } },
pub fn extractDigit(v: usize, n: usize) usize { return (v / (std.math.powi(usize, 10, n) catch unreachable)) % 10;}
pub fn numDigits(v: usize) u8 { return switch (v) { 0...9 => 1, 10...99 => 2, 100...999 => 3, 1000...9999 => 4, 10000...99999 => 5, 100000...999999 => 6, 1000000...9999999 => 7, 10000000...99999999 => 8, else => 0, };}
pub fn draw(self: @This(), win: vaxis.Window, y_scroll: usize) void { for (1 + y_scroll..self.num_lines) |line| { if (line - 1 >= y_scroll +| win.height) { break; } const highlighted = line == self.highlighted_line; const num_digits = numDigits(line); for (0..num_digits) |i| { const digit = extractDigit(line, i); win.writeCell(@intCast(win.width -| (i + 2)), @intCast(line -| (y_scroll +| 1)), .{ .char = .{ .width = 1, .grapheme = digits[digit .. digit + 1], }, .style = if (highlighted) self.highlighted_style else self.style, }); } if (highlighted) { for (num_digits + 1..win.width) |i| { win.writeCell(@intCast(i), @intCast(line -| (y_scroll +| 1)), .{ .style = if (highlighted) self.highlighted_style else self.style, }); } } }}