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feat: add status bar widget parameter support with parameters for linenumber and spacer widgets

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linenumber widgets may have three parameters: pad width (int), pad value (space/zero) and
digit style (ascii/digital/subscript/superscript). eg `5,zero,digital`

spacers may have one parameter: width (int)
This commit is contained in:
CJ van den Berg 2025-03-25 20:50:11 +01:00
parent 0e72a714dc
commit aa568dfd5e
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
14 changed files with 80 additions and 18 deletions
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48
src/tui/status/linenumstate.zig
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@ -9,6 +9,9 @@ const EventHandler = @import("EventHandler");
const Widget = @import("../Widget.zig");
const Button = @import("../Button.zig");
const fonts = @import("../fonts.zig");
const DigitStyle = fonts.DigitStyle;
const utf8_sanitized_warning = "  UTF";
@ -19,12 +22,32 @@ buf: [256]u8 = undefined,
rendered: [:0]const u8 = "",
eol_mode: Buffer.EolMode = .lf,
utf8_sanitized: bool = false,
padding: ?usize,
leader: ?Leader,
style: ?DigitStyle,
const Leader = enum {
space,
zero,
};
const Self = @This();
pub fn create(allocator: Allocator, parent: Plane, event_handler: ?EventHandler) @import("widget.zig").CreateError!Widget {
pub fn create(allocator: Allocator, parent: Plane, event_handler: ?EventHandler, arg: ?[]const u8) @import("widget.zig").CreateError!Widget {
const padding: ?usize, const leader: ?Leader, const style: ?DigitStyle = if (arg) |fmt| blk: {
var it = std.mem.splitScalar(u8, fmt, ',');
break :blk .{
if (it.next()) |size| std.fmt.parseInt(usize, size, 10) catch null else null,
if (it.next()) |leader| std.meta.stringToEnum(Leader, leader) orelse null else null,
if (it.next()) |style| std.meta.stringToEnum(DigitStyle, style) orelse null else null,
};
} else .{ null, null, null };
return Button.create_widget(Self, allocator, parent, .{
.ctx = .{},
.ctx = .{
.padding = padding,
.leader = leader,
.style = style,
},
.label = "",
.on_click = on_click,
.on_layout = layout,
@ -67,11 +90,30 @@ fn format(self: *Self) void {
.lf => "",
.crlf => " [␍␊]",
};
std.fmt.format(writer, "{s} Ln {d}, Col {d} ", .{ eol_mode, self.line + 1, self.column + 1 }) catch {};
std.fmt.format(writer, "{s} Ln ", .{eol_mode}) catch {};
self.format_count(writer, self.line + 1, self.padding orelse 0) catch {};
std.fmt.format(writer, ", Col ", .{}) catch {};
self.format_count(writer, self.column + 1, self.padding orelse 0) catch {};
std.fmt.format(writer, " ", .{}) catch {};
self.rendered = @ptrCast(fbs.getWritten());
self.buf[self.rendered.len] = 0;
}
fn format_count(self: *Self, writer: anytype, value: usize, width: usize) !void {
var buf: [64]u8 = undefined;
var fbs = std.io.fixedBufferStream(&buf);
const writer_ = fbs.writer();
try std.fmt.format(writer_, "{d}", .{value});
const value_str = fbs.getWritten();
const char: []const u8 = switch (self.leader orelse .space) {
.space => " ",
.zero => "0",
};
for (0..(@max(value_str.len, width) - value_str.len)) |_| try writer.writeAll(fonts.get_digit_ascii(char, self.style orelse .ascii));
for (value_str, 0..) |_, i| try writer.writeAll(fonts.get_digit_ascii(value_str[i .. i + 1], self.style orelse .ascii));
}
pub fn receive(self: *Self, _: *Button.State(Self), _: tp.pid_ref, m: tp.message) error{Exit}!bool {
var eol_mode: Buffer.EolModeTag = @intFromEnum(Buffer.EolMode.lf);
if (try m.match(.{ "E", "pos", tp.extract(&self.lines), tp.extract(&self.line), tp.extract(&self.column) })) {