BarChart

Vertical or horizontal bar chart with optional per-bar style overrides.

Usage

const bars = [_]tui.widgets.Bar{
    .{ .label = "Jan", .value = 42 },
    .{ .label = "Feb", .value = 75, .style = .{ .fg = .yellow } },
    .{ .label = "Mar", .value = 31 },
};

tui.widgets.BarChart{
    .bars        = &bars,
    .max         = 100,          // null → auto-scale
    .direction   = .vertical,   // or .horizontal
    .bar_width   = 5,
    .bar_gap     = 1,
    .bar_style   = .{ .fg = .cyan },
    .bar_char    = '█',
    .empty_char  = '░',
}.render(area, buf);

Fields

Field	Type	Default	Description
bars	[]const Bar		Data bars
max	?u64	null	Scale ceiling
direction	.vertical / .horizontal	.vertical	Chart orientation
bar_width	u16	3	Width of each bar (vertical mode)
bar_gap	u16	1	Gap between bars
bar_char	u21	'█'	Filled cell character
empty_char	u21	' '	Empty cell character