122 lines
3.8 KiB
Zig
122 lines
3.8 KiB
Zig
// This file is part of river, a dynamic tiling wayland compositor.
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//
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// Copyright 2021 The River Developers
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 3.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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const std = @import("std");
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const mem = std.mem;
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const sort = std.sort;
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const globber = @import("globber");
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const server = &@import("../main.zig").server;
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const util = @import("../util.zig");
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const Error = @import("../command.zig").Error;
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const Seat = @import("../Seat.zig");
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const InputConfig = @import("../InputConfig.zig");
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pub fn listInputs(
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_: *Seat,
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args: []const [:0]const u8,
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out: *?[]const u8,
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) Error!void {
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if (args.len > 1) return error.TooManyArguments;
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var input_list = std.ArrayList(u8).init(util.gpa);
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const writer = input_list.writer();
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var prev = false;
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var it = server.input_manager.devices.iterator(.forward);
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while (it.next()) |device| {
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const configured = for (server.input_manager.configs.items) |*input_config| {
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if (globber.match(device.identifier, input_config.glob)) {
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break true;
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}
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} else false;
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if (prev) try input_list.appendSlice("\n");
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prev = true;
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try writer.print("{s}\n\tconfigured: {}\n", .{
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device.identifier,
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configured,
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});
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}
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out.* = try input_list.toOwnedSlice();
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}
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pub fn listInputConfigs(
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_: *Seat,
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args: []const [:0]const u8,
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out: *?[]const u8,
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) Error!void {
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if (args.len > 1) return error.TooManyArguments;
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var input_list = std.ArrayList(u8).init(util.gpa);
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const writer = input_list.writer();
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for (server.input_manager.configs.items, 0..) |*input_config, i| {
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if (i > 0) try writer.writeByte('\n');
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try input_config.write(writer);
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}
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out.* = try input_list.toOwnedSlice();
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}
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pub fn input(
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_: *Seat,
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args: []const [:0]const u8,
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_: *?[]const u8,
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) Error!void {
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if (args.len < 4) return Error.NotEnoughArguments;
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if (args.len > 4) return Error.TooManyArguments;
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try globber.validate(args[1]);
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// Try to find an existing InputConfig with matching glob pattern, or create
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// a new one if none was found.
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for (server.input_manager.configs.items) |*input_config| {
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if (mem.eql(u8, input_config.glob, args[1])) {
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try input_config.parse(args[2], args[3]);
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break;
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}
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} else {
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var input_config: InputConfig = .{
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.glob = try util.gpa.dupe(u8, args[1]),
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};
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errdefer util.gpa.free(input_config.glob);
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try server.input_manager.configs.ensureUnusedCapacity(1);
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try input_config.parse(args[2], args[3]);
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server.input_manager.configs.appendAssumeCapacity(input_config);
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}
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// Sort input configs from most general to least general
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sort.insertion(InputConfig, server.input_manager.configs.items, {}, lessThan);
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// We need to update all input device matching the glob. The user may
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// add an input configuration at an arbitrary position in the generality
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// ordered list, so the simplest way to ensure the device is configured
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// correctly is to apply all input configurations again, in order.
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server.input_manager.reconfigureDevices();
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}
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fn lessThan(_: void, a: InputConfig, b: InputConfig) bool {
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return globber.order(a.glob, b.glob) == .gt;
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}
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