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fix: correct clock widget tick timer calculations

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and avoid calling .cancel() on timer tick
This commit is contained in:
CJ van den Berg 2024-08-29 16:57:15 +02:00
parent 629e6048aa
commit 9d93ba5319
Signed by: neurocyte
GPG key ID: 8EB1E1BB660E3FB9
1 changed files with 13 additions and 9 deletions
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22
src/tui/status/clock.zig
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@ -37,7 +37,7 @@ pub fn create(a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventH
.tz = zeit.local(a, &env) catch |e| return tp.exit_error(e, @errorReturnTrace()),
};
try tui.current().message_filters.add(MessageFilter.bind(self, receive_tick));
self.update_tick_timer();
self.update_tick_timer(.init);
return Widget.to(self);
}
@ -80,21 +80,25 @@ pub fn render(self: *Self, theme: *const Widget.Theme) bool {
fn receive_tick(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
if (try m.match(.{"CLOCK"})) {
tui.need_render();
self.update_tick_timer();
self.update_tick_timer(.ticked);
return true;
}
return false;
}
fn update_tick_timer(self: *Self) void {
const current_time: usize = @intCast(std.time.milliTimestamp());
const ms_delay_until_tick = current_time % std.time.ms_per_s;
const s_delay_until_tick = current_time % std.time.ms_per_min;
const delay = s_delay_until_tick + ms_delay_until_tick;
fn update_tick_timer(self: *Self, event: enum { init, ticked }) void {
if (self.tick_timer) |*t| {
t.cancel() catch {};
if (event != .ticked) t.cancel() catch {};
t.deinit();
self.tick_timer = null;
}
self.tick_timer = tp.self_pid().delay_send_cancellable(self.allocator, "clock.tick_timer", delay, .{"CLOCK"}) catch null;
const current = zeit.instant(.{ .timezone = &self.tz }) catch return;
var next = current.time();
next.minute += 1;
next.second = 0;
next.millisecond = 0;
next.microsecond = 0;
next.nanosecond = 0;
const delay_us: u64 = @intCast(@divTrunc(next.instant().timestamp - current.timestamp, std.time.ns_per_us));
self.tick_timer = tp.self_pid().delay_send_cancellable(self.allocator, "clock.tick_timer", delay_us, .{"CLOCK"}) catch null;
}