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Add time_format config for custom strftime strings

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This lets the user change to any time format they want in the bar.
As part of this, we also change the bar to re-draw every second (to
allow using seconds in the time format string).
This commit is contained in:
Ben Buhse 2026-02-27 10:51:42 -06:00
commit 0e7d652d24
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7 changed files with 50 additions and 11 deletions
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14
src/main.zig
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@ -129,19 +129,17 @@ fn run(wl_display: *wl.Display, context: *Context) !void {
fatal("wl_display flush failed: E{s}", .{@tagName(errno)});
}
// Get the number of milliseconds to the top of the next minute
const time = std.time.timestamp();
if (time < 0) {
log.err("Got a negative time ({d})", .{time});
return error.InvalidTime;
}
const timeout: i32 = @intCast((@divFloor(time, 60) * 60 + 60 - time) * 1000);
// Get the number of milliseconds to the top of the next second
const time_ns = std.time.nanoTimestamp();
const ns_per_sec = std.time.ns_per_s;
const remainder_ns = @mod(time_ns, ns_per_sec);
const timeout: i32 = @intCast(@divFloor(ns_per_sec - remainder_ns, std.time.ns_per_ms));
const poll_rc = posix.poll(&pollfds, timeout) catch |err| {
fatal("Failed to poll {s}", .{@errorName(err)});
};
if (poll_rc == 0) {
// If poll returns 0, it timed out, meaning we hit the top of the minute
// If poll returns 0, it timed out, meaning we hit the top of the next second
// and need to update the clock.
var it = context.wm.outputs.iterator(.forward);
while (it.next()) |output| {