rockorager.dev
+42
src/vxfw/Border.zig
+42
src/vxfw/Border.zig
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const vxfw = @import("vxfw.zig");
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pub const BorderLabel = struct {
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text: []const u8,
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alignment: enum {
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top_left,
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top_center,
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top_right,
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bottom_left,
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bottom_center,
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bottom_right,
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},
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};
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const Border = @This();
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child: vxfw.Widget,
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style: vaxis.Style = .{},
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labels: []const BorderLabel = &[_]BorderLabel{},
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pub fn widget(self: *const Border) vxfw.Widget {
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return .{
···
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surf.writeCell(0, row, .{ .char = .{ .grapheme = "│", .width = 1 }, .style = self.style });
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surf.writeCell(right_edge, row, .{ .char = .{ .grapheme = "│", .width = 1 }, .style = self.style });
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}
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// Add border labels
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for (self.labels) |label| {
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const text_len: u16 = @intCast(ctx.stringWidth(label.text));
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if (text_len == 0) continue;
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const text_row: u16 = switch (label.alignment) {
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.top_left, .top_center, .top_right => 0,
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.bottom_left, .bottom_center, .bottom_right => bottom_edge,
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};
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var text_col: u16 = switch (label.alignment) {
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.top_left, .bottom_left => 1,
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.top_center, .bottom_center => @max((size.width - text_len) / 2, 1),
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.top_right, .bottom_right => @max(size.width - 1 - text_len, 1),
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};
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var iter = ctx.graphemeIterator(label.text);
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while (iter.next()) |grapheme| {
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const text = grapheme.bytes(label.text);
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const width: u16 = @intCast(ctx.stringWidth(text));
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surf.writeCell(text_col, text_row, .{
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.char = .{ .grapheme = text, .width = @intCast(width) },
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.style = self.style,
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});
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text_col += width;
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}
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}
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return surf;
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}
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