100 lines
3 KiB
Zig
100 lines
3 KiB
Zig
const std = @import("std");
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const tp = @import("thespian");
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const log = @import("log");
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const zeit = @import("zeit");
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const Plane = @import("renderer").Plane;
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const Widget = @import("../Widget.zig");
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const MessageFilter = @import("../MessageFilter.zig");
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const tui = @import("../tui.zig");
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const mainview = @import("../mainview.zig");
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const logview = @import("../logview.zig");
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allocator: std.mem.Allocator,
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plane: Plane,
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tick_timer: ?tp.Cancellable = null,
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on_event: ?Widget.EventHandler,
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tz: zeit.timezone.TimeZone,
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const message_display_time_seconds = 2;
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const error_display_time_seconds = 4;
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const Self = @This();
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const Level = enum {
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info,
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err,
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};
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pub fn create(a: std.mem.Allocator, parent: Plane, event_handler: ?Widget.EventHandler) @import("widget.zig").CreateError!Widget {
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var env = std.process.getEnvMap(a) catch |e| return tp.exit_error(e, @errorReturnTrace());
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defer env.deinit();
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const self: *Self = try a.create(Self);
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self.* = .{
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.allocator = a,
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.plane = try Plane.init(&(Widget.Box{}).opts(@typeName(Self)), parent),
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.on_event = event_handler,
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.tz = zeit.local(a, &env) catch |e| return tp.exit_error(e, @errorReturnTrace()),
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};
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try tui.current().message_filters.add(MessageFilter.bind(self, receive_tick));
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self.update_tick_timer();
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return Widget.to(self);
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}
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pub fn deinit(self: *Self, a: std.mem.Allocator) void {
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tui.current().message_filters.remove_ptr(self);
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if (self.tick_timer) |*t| {
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t.cancel() catch {};
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t.deinit();
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self.tick_timer = null;
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}
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self.tz.deinit();
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self.plane.deinit();
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a.destroy(self);
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}
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pub fn receive(self: *Self, from: tp.pid_ref, m: tp.message) error{Exit}!bool {
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var btn: u32 = 0;
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if (try m.match(.{ "D", tp.any, tp.extract(&btn), tp.more })) {
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if (self.on_event) |h| h.send(from, m) catch {};
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return true;
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}
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return false;
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}
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pub fn layout(_: *Self) Widget.Layout {
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return .{ .static = 5 };
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}
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pub fn render(self: *Self, theme: *const Widget.Theme) bool {
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self.plane.set_base_style(" ", theme.statusbar);
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self.plane.erase();
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self.plane.home();
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const now = zeit.instant(.{ .timezone = &self.tz }) catch return false;
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const dt = now.time();
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_ = self.plane.print("{d:0>2}:{d:0>2}", .{ dt.hour, dt.minute }) catch {};
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return false;
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}
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fn receive_tick(self: *Self, _: tp.pid_ref, m: tp.message) error{Exit}!bool {
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if (try m.match(.{"CLOCK"})) {
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tui.need_render();
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self.update_tick_timer();
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return true;
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}
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return false;
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}
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fn update_tick_timer(self: *Self) void {
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const current_time: usize = @intCast(std.time.milliTimestamp());
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const ms_delay_until_tick = current_time % std.time.ms_per_s;
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const s_delay_until_tick = current_time % std.time.ms_per_min;
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const delay = s_delay_until_tick + ms_delay_until_tick;
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if (self.tick_timer) |*t| {
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t.cancel() catch {};
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t.deinit();
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self.tick_timer = null;
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}
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self.tick_timer = tp.self_pid().delay_send_cancellable(self.allocator, delay, .{"CLOCK"}) catch null;
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}
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