diff options
Diffstat (limited to 'example/options.zig')
| -rw-r--r-- | example/options.zig | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/example/options.zig b/example/options.zig deleted file mode 100644 index 52ede7a..0000000 --- a/example/options.zig +++ /dev/null @@ -1,102 +0,0 @@ -// 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 os = std.os; -const mem = std.mem; -const fmt = std.fmt; - -const wayland = @import("wayland"); -const wl = wayland.client.wl; -const zriver = wayland.client.zriver; - -const SetupContext = struct { - options_manager: ?*zriver.OptionsManagerV1 = null, - outputs: std.ArrayList(*wl.Output) = std.ArrayList(*wl.Output).init(std.heap.c_allocator), -}; - -const ValueType = enum { - int, - uint, - fixed, - string, -}; - -/// Disclaimer, the output handling implemented here is by no means robust. A -/// proper client should likely use xdg-output to identify outputs by name. -/// -/// Usage: ./options <key> output_num|NULL [<value_type> <value>] -/// Examples: -/// ./options foo -/// ./options foo NULL uint 42 -/// ./options foo 1 string ziggy -pub fn main() !void { - const display = try wl.Display.connect(null); - const registry = try display.getRegistry(); - - var context = SetupContext{}; - - registry.setListener(*SetupContext, registryListener, &context) catch unreachable; - _ = try display.roundtrip(); - - const options_manager = context.options_manager orelse return error.RiverOptionsManagerNotAdvertised; - - const key = os.argv[1]; - const output = if (mem.eql(u8, "NULL", mem.span(os.argv[2]))) - null - else - context.outputs.items[fmt.parseInt(u32, mem.span(os.argv[2]), 10) catch return error.InvalidOutput]; - const handle = try options_manager.getOptionHandle(key, output); - handle.setListener([*:0]u8, optionListener, key) catch unreachable; - - if (os.argv.len > 3) { - const value_type = std.meta.stringToEnum(ValueType, mem.span(os.argv[3])) orelse return error.InvalidType; - switch (value_type) { - .int => handle.setIntValue(fmt.parseInt(i32, mem.span(os.argv[4]), 10) catch return error.InvalidInt), - .uint => handle.setUintValue(fmt.parseInt(u32, mem.span(os.argv[4]), 10) catch return error.InvalidUint), - .fixed => handle.setFixedValue(wl.Fixed.fromDouble(fmt.parseFloat(f64, mem.span(os.argv[4])) catch return error.InvalidFixed)), - .string => handle.setStringValue(os.argv[4]), - } - } - - // 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.OptionsManagerV1.getInterface().name) == 0) { - context.options_manager = registry.bind(global.name, zriver.OptionsManagerV1, 1) catch return; - } 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 optionListener(handle: *zriver.OptionHandleV1, event: zriver.OptionHandleV1.Event, key: [*:0]const u8) void { - switch (event) { - .unset => std.debug.print("option '{}' unset\n", .{key}), - .int_value => |ev| std.debug.print("option '{}' of type int has value {}\n", .{ key, ev.value }), - .uint_value => |ev| std.debug.print("option '{}' of type uint has value {}\n", .{ key, ev.value }), - .fixed_value => |ev| std.debug.print("option '{}' of type fixed has value {}\n", .{ key, ev.value.toDouble() }), - .string_value => |ev| std.debug.print("option '{}' of type string has value {}\n", .{ key, ev.value }), - } -} |
