53 lines
1.7 KiB
Zig
53 lines
1.7 KiB
Zig
const std = @import("std");
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const c = @import("c.zig");
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const Seat = @import("seat.zig").Seat;
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const Server = @import("server.zig").Server;
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pub const InputManager = struct {
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const Self = @This();
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const default_seat_name = "default";
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server: *Server,
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seats: std.TailQueue(Seat),
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listen_new_input: c.wl_listener,
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pub fn init(self: *Self, server: *Server) !void {
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self.server = server;
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self.seats = std.TailQueue(Seat).init();
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const seat_node = try server.allocator.create(std.TailQueue(Seat).Node);
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try seat_node.data.init(self, default_seat_name);
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self.seats.prepend(seat_node);
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// Set up handler for all new input devices made available. This
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// includes keyboards, pointers, touch, etc.
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self.listen_new_input.notify = handleNewInput;
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c.wl_signal_add(&self.server.wlr_backend.events.new_input, &self.listen_new_input);
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}
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/// Must be called whenever a view is unmapped.
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pub fn handleViewUnmap(self: Self, view: *View) void {
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var it = self.seats.first;
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while (it) |node| : (it = node.next) {
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const seat = &node.data;
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seat.handleViewUnmap(view);
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}
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}
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/// This event is raised by the backend when a new input device becomes available.
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fn handleNewInput(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
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const input_manager = @fieldParentPtr(InputManager, "listen_new_input", listener.?);
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const device = @ptrCast(*c.wlr_input_device, @alignCast(@alignOf(*c.wlr_input_device), data));
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// TODO: suport multiple seats
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if (input_manager.seats.first) |seat_node| {
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seat_node.data.addDevice(device) catch unreachable;
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}
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}
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};
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