river/example/status.zig
2021-04-27 12:24:30 +02:00

94 lines
4.0 KiB
Zig

// This file is part of river, a dynamic tiling wayland compositor.
//
// Copyright 2020 The River Developers
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const wayland = @import("wayland");
const wl = wayland.client.wl;
const zriver = wayland.client.zriver;
const SetupContext = struct {
status_manager: ?*zriver.StatusManagerV1 = null,
outputs: std.ArrayList(*wl.Output) = std.ArrayList(*wl.Output).init(std.heap.c_allocator),
seats: std.ArrayList(*wl.Seat) = std.ArrayList(*wl.Seat).init(std.heap.c_allocator),
};
pub fn main() !void {
const display = try wl.Display.connect(null);
const registry = try display.getRegistry();
var context = SetupContext{};
registry.setListener(*SetupContext, registryListener, &context);
_ = try display.roundtrip();
const status_manager = context.status_manager orelse return error.RiverStatusManagerNotAdvertised;
for (context.outputs.items) |output| {
const output_status = try status_manager.getRiverOutputStatus(output);
output_status.setListener(?*c_void, outputStatusListener, null);
}
for (context.seats.items) |seat| {
const seat_status = try status_manager.getRiverSeatStatus(seat);
seat_status.setListener(?*c_void, seatStatusListener, null);
}
context.outputs.deinit();
context.seats.deinit();
// Loop forever, listening for new events.
while (true) _ = try display.dispatch();
}
fn registryListener(registry: *wl.Registry, event: wl.Registry.Event, context: *SetupContext) void {
switch (event) {
.global => |global| {
if (std.cstr.cmp(global.interface, zriver.StatusManagerV1.getInterface().name) == 0) {
context.status_manager = registry.bind(global.name, zriver.StatusManagerV1, 1) catch return;
} else if (std.cstr.cmp(global.interface, wl.Seat.getInterface().name) == 0) {
const seat = registry.bind(global.name, wl.Seat, 1) catch return;
context.seats.append(seat) catch @panic("out of memory");
} else if (std.cstr.cmp(global.interface, wl.Output.getInterface().name) == 0) {
const output = registry.bind(global.name, wl.Output, 1) catch return;
context.outputs.append(output) catch @panic("out of memory");
}
},
.global_remove => {},
}
}
fn outputStatusListener(output_status: *zriver.OutputStatusV1, event: zriver.OutputStatusV1.Event, data: ?*c_void) void {
switch (event) {
.focused_tags => |focused_tags| std.debug.warn("Focused tags: {b:0>10}\n", .{focused_tags.tags}),
.view_tags => |view_tags| {
std.debug.warn("View tags:\n", .{});
for (view_tags.tags.slice(u32)) |t| std.debug.warn("{b:0>10}\n", .{t});
},
}
}
fn seatStatusListener(seat_status: *zriver.SeatStatusV1, event: zriver.SeatStatusV1.Event, data: ?*c_void) void {
switch (event) {
.focused_output => |focused_output| std.debug.warn("Output id {} focused\n", .{
@ptrCast(*wl.Proxy, focused_output.output orelse return).getId(),
}),
.unfocused_output => |unfocused_output| std.debug.warn("Output id {} focused\n", .{
@ptrCast(*wl.Proxy, unfocused_output.output orelse return).getId(),
}),
.focused_view => |focused_view| std.debug.warn("Focused view title: {}\n", .{focused_view.title}),
}
}