creek

 1const std = @import("std");
 2const log = std.log;
 3
 4const wl = @import("wayland").client.wl;
 5
 6const Bar = @import("Bar.zig");
 7const Tags = @import("Tags.zig");
 8const Seat = @import("Seat.zig");
 9pub const Monitor = @This();
10
11const state = &@import("root").state;
12
13output: *wl.Output,
14globalName: u32,
15scale: i32,
16
17bar: ?*Bar,
18tags: *Tags,
19
20pub fn create(registry: *wl.Registry, name: u32) !*Monitor {
21    const self = try state.gpa.create(Monitor);
22    self.output = try registry.bind(name, wl.Output, 4);
23    self.globalName = name;
24    self.scale = 1;
25
26    self.bar = null;
27    self.tags = try Tags.create(self);
28
29    self.output.setListener(*Monitor, listener, self);
30    return self;
31}
32
33pub fn destroy(self: *Monitor) void {
34    if (self.bar) |bar| {
35        bar.destroy();
36    }
37    self.tags.destroy();
38    state.gpa.destroy(self);
39}
40
41pub fn confBar(self: *Monitor) ?*Bar {
42    if (self.bar) |bar| {
43        if (bar.configured) {
44            return bar;
45        }
46    }
47
48    return null;
49}
50
51fn listener(_: *wl.Output, event: wl.Output.Event, monitor: *Monitor) void {
52    switch (event) {
53        .scale => |scale| {
54            monitor.scale = scale.factor;
55        },
56        .geometry => {},
57        .mode => {},
58        .done => {
59            if (monitor.bar) |_| {
60                return;
61            }
62            monitor.bar = Bar.create(monitor) catch |err| {
63                log.err("cannot create bar for monitor {}: {s}",
64                        .{monitor.globalName, @errorName(err)});
65                return;
66            };
67        },
68    }
69}