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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 std = @import("std");
const c = @import("../c.zig");
const Error = @import("../command.zig").Error;
const Seat = @import("../Seat.zig");
/// Modify the number of master views
pub fn modMasterCount(
allocator: *std.mem.Allocator,
seat: *Seat,
args: []const []const u8,
failure_message: *[]const u8,
) Error!void {
if (args.len < 2) return Error.NotEnoughArguments;
if (args.len > 2) return Error.TooManyArguments;
const delta = try std.fmt.parseInt(i32, args[1], 10);
const output = seat.focused_output;
output.master_count = @intCast(
u32,
std.math.max(0, @intCast(i32, output.master_count) + delta),
);
seat.input_manager.server.root.arrange();
}
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