refactor input configuration
This commit is contained in:
Leon Henrik Plickat
parent
a531311ac6
commit
0cae415a93
@ -1,6 +1,6 @@
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// 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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// Copyright 2021 - 2024 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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@ -18,6 +18,9 @@ const Self = @This();
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const build_options = @import("build_options");
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const std = @import("std");
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const mem = std.mem;
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const math = std.math;
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const meta = std.meta;
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const wlr = @import("wlroots");
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const log = std.log.scoped(.input_config);
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@ -261,20 +264,20 @@ pub const ScrollButton = struct {
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identifier: []const u8,
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event_state: ?EventState = null,
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accel_profile: ?AccelProfile = null,
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click_method: ?ClickMethod = null,
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drag_state: ?DragState = null,
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drag_lock: ?DragLock = null,
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dwt_state: ?DwtState = null,
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middle_emulation: ?MiddleEmulation = null,
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natural_scroll: ?NaturalScroll = null,
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left_handed: ?LeftHanded = null,
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tap_state: ?TapState = null,
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tap_button_map: ?TapButtonMap = null,
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pointer_accel: ?PointerAccel = null,
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scroll_method: ?ScrollMethod = null,
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scroll_button: ?ScrollButton = null,
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@"event-state": ?EventState = null,
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@"accel-profile": ?AccelProfile = null,
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@"click-method": ?ClickMethod = null,
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@"drag-state": ?DragState = null,
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@"drag-lock": ?DragLock = null,
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@"dwt-state": ?DwtState = null,
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@"middle-emulation": ?MiddleEmulation = null,
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@"natural-scroll": ?NaturalScroll = null,
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@"left-handed": ?LeftHanded = null,
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@"tap-state": ?TapState = null,
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@"tap-button-map": ?TapButtonMap = null,
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@"pointer-accel": ?PointerAccel = null,
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@"scroll-method": ?ScrollMethod = null,
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@"scroll-button": ?ScrollButton = null,
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pub fn deinit(self: *Self) void {
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util.gpa.free(self.identifier);
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@ -283,18 +286,67 @@ pub fn deinit(self: *Self) void {
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pub fn apply(self: *Self, device: *InputDevice) void {
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const libinput_device: *c.libinput_device = @ptrCast(device.wlr_device.getLibinputDevice() orelse return);
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log.debug("applying input configuration to device: {s}", .{device.identifier});
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if (self.event_state) |setting| setting.apply(libinput_device);
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if (self.accel_profile) |setting| setting.apply(libinput_device);
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if (self.click_method) |setting| setting.apply(libinput_device);
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if (self.drag_state) |setting| setting.apply(libinput_device);
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if (self.drag_lock) |setting| setting.apply(libinput_device);
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if (self.dwt_state) |setting| setting.apply(libinput_device);
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if (self.middle_emulation) |setting| setting.apply(libinput_device);
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if (self.natural_scroll) |setting| setting.apply(libinput_device);
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if (self.left_handed) |setting| setting.apply(libinput_device);
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if (self.pointer_accel) |setting| setting.apply(libinput_device);
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if (self.scroll_button) |setting| setting.apply(libinput_device);
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if (self.scroll_method) |setting| setting.apply(libinput_device);
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if (self.tap_state) |setting| setting.apply(libinput_device);
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if (self.tap_button_map) |setting| setting.apply(libinput_device);
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inline for (@typeInfo(Self).Struct.fields) |field| {
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if (comptime mem.eql(u8, field.name, "identifier")) continue;
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if (@field(self, field.name)) |setting| {
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log.debug("applying setting: {s}", .{field.name});
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setting.apply(libinput_device);
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}
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}
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}
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pub fn parse(self: *Self, setting: []const u8, value: []const u8) !void {
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inline for (@typeInfo(Self).Struct.fields) |field| {
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if (comptime mem.eql(u8, field.name, "identifier")) continue;
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if (mem.eql(u8, setting, field.name)) {
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// Special-case the settings which are not enums.
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if (comptime mem.eql(u8, field.name, "pointer-accel")) {
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self.@"pointer-accel" = PointerAccel{
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.value = math.clamp(try std.fmt.parseFloat(f32, value), -1.0, 1.0),
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};
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} else if (comptime mem.eql(u8, field.name, "scroll-button")) {
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const ret = c.libevdev_event_code_from_name(c.EV_KEY, value.ptr);
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if (ret < 1) return error.InvalidButton;
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self.@"scroll-button" = ScrollButton{ .button = @intCast(ret) };
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} else {
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const T = @typeInfo(field.type).Optional.child;
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if (@typeInfo(T) != .Enum) {
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@compileError("You forgot to implement parsing for an input configuration setting.");
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}
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@field(self, field.name) = meta.stringToEnum(T, value) orelse
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return error.UnknownOption;
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}
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return;
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}
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}
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return error.UnknownCommand;
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}
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pub fn write(self: *Self, writer: anytype) !void {
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try writer.print("{s}\n", .{self.identifier});
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inline for (@typeInfo(Self).Struct.fields) |field| {
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if (comptime mem.eql(u8, field.name, "identifier")) continue;
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if (@field(self, field.name)) |setting| {
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// Special-case the settings which are not enums.
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if (comptime mem.eql(u8, field.name, "pointer-accel")) {
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try writer.print("\tpointer-accel: {d}\n", .{setting.value});
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} else if (comptime mem.eql(u8, field.name, "scroll-button")) {
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try writer.print("\tscroll-button: {s}\n", .{
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mem.sliceTo(c.libevdev_event_code_get_name(c.EV_KEY, setting.button), 0),
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});
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} else {
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const T = @typeInfo(field.type).Optional.child;
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if (@typeInfo(T) != .Enum) {
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@compileError("You forgot to implement listing for an input configuration setting.");
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}
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try writer.print("\t{s}: {s}\n", .{ field.name, @tagName(setting) });
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}
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}
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}
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}
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@ -16,11 +16,9 @@
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const std = @import("std");
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const mem = std.mem;
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const meta = std.meta;
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const server = &@import("../main.zig").server;
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const util = @import("../util.zig");
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const c = @import("../c.zig");
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const Error = @import("../command.zig").Error;
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const Seat = @import("../Seat.zig");
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@ -69,54 +67,8 @@ pub fn listInputConfigs(
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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 input_list.appendSlice("\n");
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try writer.print("{s}\n", .{input_config.identifier});
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if (input_config.event_state) |event_state| {
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try writer.print("\tevents: {s}\n", .{@tagName(event_state)});
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}
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if (input_config.accel_profile) |accel_profile| {
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try writer.print("\taccel-profile: {s}\n", .{@tagName(accel_profile)});
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}
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if (input_config.click_method) |click_method| {
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try writer.print("\tclick-method: {s}\n", .{@tagName(click_method)});
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}
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if (input_config.drag_state) |drag_state| {
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try writer.print("\tdrag: {s}\n", .{@tagName(drag_state)});
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}
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if (input_config.drag_lock) |drag_lock| {
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try writer.print("\tdrag-lock: {s}\n", .{@tagName(drag_lock)});
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}
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if (input_config.dwt_state) |dwt_state| {
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try writer.print("\tdisable-while-typing: {s}\n", .{@tagName(dwt_state)});
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}
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if (input_config.middle_emulation) |middle_emulation| {
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try writer.print("\tmiddle-emulation: {s}\n", .{@tagName(middle_emulation)});
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}
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if (input_config.natural_scroll) |natural_scroll| {
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try writer.print("\tnatural-scroll: {s}\n", .{@tagName(natural_scroll)});
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}
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if (input_config.left_handed) |left_handed| {
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try writer.print("\tleft-handed: {s}\n", .{@tagName(left_handed)});
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}
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if (input_config.tap_state) |tap_state| {
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try writer.print("\ttap: {s}\n", .{@tagName(tap_state)});
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}
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if (input_config.tap_button_map) |tap_button_map| {
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try writer.print("\ttap-button-map: {s}\n", .{@tagName(tap_button_map)});
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}
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if (input_config.pointer_accel) |pointer_accel| {
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try writer.print("\tpointer-accel: {d}\n", .{pointer_accel.value});
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}
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if (input_config.scroll_method) |scroll_method| {
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try writer.print("\tscroll-method: {s}\n", .{@tagName(scroll_method)});
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}
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if (input_config.scroll_button) |scroll_button| {
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try writer.print("\tscroll-button: {s}\n", .{
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mem.sliceTo(c.libevdev_event_code_get_name(c.EV_KEY, scroll_button.button), 0),
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});
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}
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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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@ -132,75 +84,26 @@ pub fn input(
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// Try to find an existing InputConfig with matching identifier, or create
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// a new one if none was found.
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var new = false;
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const input_config = for (server.input_manager.configs.items) |*input_config| {
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if (mem.eql(u8, input_config.identifier, args[1])) break input_config;
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} else blk: {
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try server.input_manager.configs.ensureUnusedCapacity(1);
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server.input_manager.configs.appendAssumeCapacity(.{
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.identifier = try util.gpa.dupe(u8, args[1]),
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});
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new = true;
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break :blk &server.input_manager.configs.items[server.input_manager.configs.items.len - 1];
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};
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errdefer {
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if (new) {
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var cfg = server.input_manager.configs.pop();
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cfg.deinit();
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if (mem.eql(u8, input_config.identifier, args[1])) {
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try input_config.parse(args[2], args[3]);
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break input_config;
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}
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}
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} else blk: {
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const identifier_owned = try util.gpa.dupe(u8, args[1]);
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errdefer util.gpa.free(identifier_owned);
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if (mem.eql(u8, "events", args[2])) {
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input_config.event_state = meta.stringToEnum(InputConfig.EventState, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "accel-profile", args[2])) {
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input_config.accel_profile = meta.stringToEnum(InputConfig.AccelProfile, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "click-method", args[2])) {
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input_config.click_method = meta.stringToEnum(InputConfig.ClickMethod, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "drag", args[2])) {
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input_config.drag_state = meta.stringToEnum(InputConfig.DragState, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "drag-lock", args[2])) {
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input_config.drag_lock = meta.stringToEnum(InputConfig.DragLock, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "disable-while-typing", args[2])) {
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input_config.dwt_state = meta.stringToEnum(InputConfig.DwtState, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "middle-emulation", args[2])) {
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input_config.middle_emulation = meta.stringToEnum(InputConfig.MiddleEmulation, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "natural-scroll", args[2])) {
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input_config.natural_scroll = meta.stringToEnum(InputConfig.NaturalScroll, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "left-handed", args[2])) {
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input_config.left_handed = meta.stringToEnum(InputConfig.LeftHanded, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "tap", args[2])) {
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input_config.tap_state = meta.stringToEnum(InputConfig.TapState, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "tap-button-map", args[2])) {
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input_config.tap_button_map = meta.stringToEnum(InputConfig.TapButtonMap, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "pointer-accel", args[2])) {
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input_config.pointer_accel = InputConfig.PointerAccel{
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.value = std.math.clamp(
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try std.fmt.parseFloat(f32, args[3]),
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@as(f32, -1.0),
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@as(f32, 1.0),
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),
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try server.input_manager.configs.ensureUnusedCapacity(1);
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const input_config = server.input_manager.configs.addOneAssumeCapacity();
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errdefer _ = server.input_manager.configs.pop();
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input_config.* = .{
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.identifier = identifier_owned,
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};
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} else if (mem.eql(u8, "scroll-method", args[2])) {
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input_config.scroll_method = meta.stringToEnum(InputConfig.ScrollMethod, args[3]) orelse
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return Error.UnknownOption;
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} else if (mem.eql(u8, "scroll-button", args[2])) {
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const ret = c.libevdev_event_code_from_name(c.EV_KEY, args[3].ptr);
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if (ret < 1) return Error.InvalidButton;
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input_config.scroll_button = InputConfig.ScrollButton{ .button = @intCast(ret) };
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} else {
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return Error.UnknownCommand;
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}
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try input_config.parse(args[2], args[3]);
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break :blk input_config;
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};
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// Update matching existing input devices.
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var it = server.input_manager.devices.iterator(.forward);
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