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// This file is part of river, a dynamic tiling wayland compositor.
//
// Copyright 2020 Isaac Freund
//
// 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 Self = @This();
const std = @import("std");
const c = @import("c.zig");
const Command = @import("Command.zig");
const Log = @import("log.zig").Log;
const Server = @import("Server.zig");
const protocol_version = 1;
const implementation = c.struct_zriver_window_manager_v1_interface{
.run_command = runCommand,
};
server: *Server,
wl_global: *c.wl_global,
listen_display_destroy: c.wl_listener,
pub fn init(self: *Self, server: *Server) !void {
self.server = server;
self.wl_global = c.wl_global_create(
server.wl_display,
&c.zriver_window_manager_v1_interface,
protocol_version,
self,
bind,
) orelse return error.CantCreateRiverWindowManagementGlobal;
self.listen_display_destroy.notify = handleDisplayDestroy;
c.wl_display_add_destroy_listener(server.wl_display, &self.listen_display_destroy);
}
fn handleDisplayDestroy(wl_listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
const self = @fieldParentPtr(Self, "listen_display_destroy", wl_listener.?);
c.wl_global_destroy(self.wl_global);
}
/// Called when a client binds our global
fn bind(wl_client: ?*c.wl_client, data: ?*c_void, version: u32, id: u32) callconv(.C) void {
const self = @ptrCast(*Self, @alignCast(@alignOf(*Self), data));
const wl_resource = c.wl_resource_create(
wl_client,
&c.zriver_window_manager_v1_interface,
@intCast(c_int, version),
id,
) orelse {
c.wl_client_post_no_memory(wl_client);
return;
};
c.wl_resource_set_implementation(wl_resource, &implementation, self, resourceDestroy);
}
fn resourceDestroy(wl_resource: ?*c.wl_resource) callconv(.C) void {
// TODO
}
fn runCommand(wl_client: ?*c.wl_client, wl_resource: ?*c.wl_resource, wl_array: ?*c.wl_array) callconv(.C) void {
const self = @ptrCast(*Self, @alignCast(@alignOf(*Self), c.wl_resource_get_user_data(wl_resource)));
const allocator = self.server.allocator;
var args = std.ArrayList([]const u8).init(allocator);
var i: usize = 0;
const data = @ptrCast([*]const u8, wl_array.?.data);
while (i < wl_array.?.size) {
const slice = std.mem.spanZ(@ptrCast([*:0]const u8, &data[i]));
args.append(std.mem.dupe(allocator, u8, slice) catch unreachable) catch unreachable;
i += slice.len + 1;
}
for (args.items) |x| {
std.debug.warn("{}\n", .{x});
}
// TODO: send the error event on failure instead of crashing
const command = Command.init(args.items, allocator) catch unreachable;
command.run(self.server.input_manager.default_seat);
}
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