mirror of
https://github.com/MezzalunaWM/Mezzaluna.git
synced 2026-03-07 19:49:53 -05:00
136 lines
3.5 KiB
Zig
136 lines
3.5 KiB
Zig
const Output = @This();
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const wl = @import("wayland").server.wl;
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const wlr = @import("wlroots");
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const std = @import("std");
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const Server = @import("server.zig");
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const Utils = @import("utils.zig");
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const posix = std.posix;
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const gpa = std.heap.c_allocator;
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const server = &@import("main.zig").server;
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focused: bool,
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id: u64,
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wlr_output: *wlr.Output,
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state: wlr.Output.State,
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scene_output: *wlr.SceneOutput,
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frame: wl.Listener(*wlr.Output) = .init(handleFrame),
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request_state: wl.Listener(*wlr.Output.event.RequestState) = .init(handleRequestState),
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destroy: wl.Listener(*wlr.Output) = .init(handleDestroy),
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// The wlr.Output should be destroyed by the caller on failure to trigger cleanup.
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pub fn init(wlr_output: *wlr.Output) ?*Output {
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errdefer Utils.oomPanic();
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const self = try gpa.create(Output);
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self.* = .{
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.focused = false,
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.id = @intFromPtr(wlr_output),
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.wlr_output = wlr_output,
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.scene_output = try server.root.scene.createSceneOutput(wlr_output),
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.state = wlr.Output.State.init()
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};
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wlr_output.events.frame.add(&self.frame);
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wlr_output.events.request_state.add(&self.request_state);
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wlr_output.events.destroy.add(&self.destroy);
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errdefer deinit(self);
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if(!wlr_output.initRender(server.allocator, server.renderer)) {
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std.log.err("Unable to start output {s}", .{wlr_output.name});
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return null;
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}
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self.state.setEnabled(true);
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if (wlr_output.preferredMode()) |mode| {
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self.state.setMode(mode);
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}
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if(!wlr_output.commitState(&self.state)) {
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std.log.err("Unable to commit state to output {s}", .{wlr_output.name});
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return null;
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}
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const layout_output = try server.root.output_layout.addAuto(self.wlr_output);
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server.root.scene_output_layout.addOutput(layout_output, self.scene_output);
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self.setFocused();
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wlr_output.data = self;
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return self;
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}
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pub fn deinit(self: *Output) void {
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self.frame.link.remove();
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self.request_state.link.remove();
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self.destroy.link.remove();
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self.state.finish();
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self.wlr_output.destroy();
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gpa.destroy(self);
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}
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pub fn setFocused(self: *Output) void {
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if(server.seat.focused_output) |prev_output| {
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prev_output.focused = false;
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}
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server.seat.focused_output = self;
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self.focused = true;
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}
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// --------- WlrOutput Event Handlers ---------
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fn handleRequestState(
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listener: *wl.Listener(*wlr.Output.event.RequestState),
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event: *wlr.Output.event.RequestState,
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) void {
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const output: *Output = @fieldParentPtr("request_state", listener);
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if (!output.wlr_output.commitState(event.state)) {
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std.log.warn("failed to set output state {}", .{event.state});
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}
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}
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fn handleFrame(
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_: *wl.Listener(*wlr.Output),
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wlr_output: *wlr.Output
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) void {
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const scene_output = server.root.scene.getSceneOutput(wlr_output);
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if(scene_output == null) {
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std.log.err("Unable to get scene output to render", .{});
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return;
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}
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// std.log.info("Rendering commited scene output\n", .{});
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_ = scene_output.?.commit(null);
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var now = posix.clock_gettime(posix.CLOCK.MONOTONIC) catch @panic("CLOCK_MONOTONIC not supported");
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scene_output.?.sendFrameDone(&now);
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}
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fn handleDestroy(
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listener: *wl.Listener(*wlr.Output),
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_: *wlr.Output
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) void {
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std.log.debug("Handling destroy", .{});
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const output: *Output = @fieldParentPtr("destroy", listener);
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std.log.debug("removing output: {s}", .{output.wlr_output.name});
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output.frame.link.remove();
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output.request_state.link.remove();
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output.destroy.link.remove();
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server.root.output_layout.remove(output.wlr_output);
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gpa.destroy(output);
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}
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