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Add Capabilities and State to LibinputDevice

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These are two new sub-structs to keep a cleaner separation of state
and capabilities. Functionality should be the same.
This commit is contained in:
Ben Buhse 2026-02-15 17:09:03 -06:00
commit a122f1a439
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1 changed files with 94 additions and 103 deletions
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197
src/LibinputDevice.zig
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@ -17,66 +17,57 @@ input_device: ?*InputDevice = null,
/// reloaded.
should_manage: bool = true,
send_events_support: SendEventsModes = .{},
send_events_current: ?SendEventsModes = null,
/// The number of fingers supported for tap-to-click/drag.
/// If finger_count is 0, tap-to-click and drag are unsupported.
tap_support: u31 = 0,
tap_current: ?TapState = null,
tap_button_map_current: ?TapButtonMap = null,
drag_current: ?DragState = null,
drag_lock_current: ?DragLockState = null,
/// The number of fingers supported for three/four finger drag.
/// If finger_count is less than 3, three finger drag is unsupported.
three_finger_drag_support: u31 = 0,
three_finger_drag_current: ?ThreeFingerDragState = null,
/// A calibration matrix is supported if the supported argument is non-zero.
calibration_matrix_support: bool = false,
calibration_matrix_current: ?[]f32 = null,
accel_profiles_support: ?AccelProfiles = null,
accel_profile_current: ?AccelProfile = null,
accel_speed_current: ?f64 = null,
natural_scroll_support: bool = false,
natural_scroll_current: ?NaturalScrollState = null,
left_handed_support: bool = false,
left_handed_current: ?LeftHandedState = null,
click_method_support: ?ClickMethods = null,
click_method_current: ?ClickMethod = null,
clickfinger_button_map_current: ?ClickfingerButtonMap = null,
middle_emulation_support: bool = false,
middle_emulation_current: ?MiddleEmulationState = null,
scroll_method_support: ?ScrollMethods = null,
scroll_method_current: ?ScrollMethod = null,
/// Supported if scroll_methods.on_button_down is supported.
scroll_button_current: ?u32 = null,
/// Supported if scroll_methods.on_button_down is supported.
scroll_button_lock_current: ?ScrollButtonLockState = null,
dwt_support: bool = false,
dwt_current: ?DwtState = null,
dwtp_support: bool = false,
dwtp_current: ?DwtpState = null,
rotation_support: bool = false,
rotation_current: ?u32 = null,
capabilities: Capabilities = .{},
state: CurrentState = .{},
link: wl.list.Link,
pub const Capabilities = struct {
send_events: SendEventsModes = .{},
/// The number of fingers supported for tap-to-click/drag.
/// If finger_count is 0, tap-to-click and drag are unsupported.
tap: u31 = 0,
/// The number of fingers supported for three/four finger drag.
/// If finger_count is less than 3, three finger drag is unsupported.
three_finger_drag: u31 = 0,
/// A calibration matrix is supported if the supported argument is non-zero.
calibration_matrix: bool = false,
accel_profiles: ?AccelProfiles = null,
natural_scroll: bool = false,
left_handed: bool = false,
click_methods: ?ClickMethods = null,
middle_emulation: bool = false,
scroll_methods: ?ScrollMethods = null,
dwt: bool = false,
dwtp: bool = false,
rotation: bool = false,
};
pub const CurrentState = struct {
send_events: ?SendEventsModes = null,
tap: ?TapState = null,
tap_button_map: ?TapButtonMap = null,
drag: ?DragState = null,
drag_lock: ?DragLockState = null,
three_finger_drag: ?ThreeFingerDragState = null,
calibration_matrix: ?[]f32 = null,
accel_profile: ?AccelProfile = null,
accel_speed: ?f64 = null,
natural_scroll: ?NaturalScrollState = null,
left_handed: ?LeftHandedState = null,
click_method: ?ClickMethod = null,
clickfinger_button_map: ?ClickfingerButtonMap = null,
middle_emulation: ?MiddleEmulationState = null,
scroll_method: ?ScrollMethod = null,
/// Supported if scroll_methods.on_button_down is supported.
scroll_button: ?u32 = null,
/// Supported if scroll_methods.on_button_down is supported.
scroll_button_lock: ?ScrollButtonLockState = null,
dwt: ?DwtState = null,
dwtp: ?DwtpState = null,
rotation: ?u32 = null,
};
pub fn create(context: *Context, river_libinput_device_v1: *river.LibinputDeviceV1) !*LibinputDevice {
const libinput_device = try utils.gpa.create(LibinputDevice);
errdefer utils.gpa.destroy(libinput_device);
@ -123,39 +114,39 @@ fn riverLibinputDeviceV1Listener(river_libinput_device_v1: *river.LibinputDevice
}
}
},
.send_events_support => |ev| libinput_device.send_events_support = ev.modes,
.send_events_current => |ev| libinput_device.send_events_current = ev.mode,
.tap_support => |ev| libinput_device.tap_support = @intCast(ev.finger_count),
.tap_current => |ev| libinput_device.tap_current = ev.state,
.tap_button_map_current => |ev| libinput_device.tap_button_map_current = ev.button_map,
.drag_current => |ev| libinput_device.drag_current = ev.state,
.drag_lock_current => |ev| libinput_device.drag_lock_current = ev.state,
.three_finger_drag_support => |ev| libinput_device.three_finger_drag_support = @intCast(ev.finger_count),
.three_finger_drag_current => |ev| libinput_device.three_finger_drag_current = ev.state,
.calibration_matrix_support => |ev| libinput_device.calibration_matrix_support = ev.supported != 0,
.calibration_matrix_current => |ev| libinput_device.calibration_matrix_current = ev.matrix.slice(f32),
.accel_profiles_support => |ev| libinput_device.accel_profiles_support = ev.profiles,
.accel_profile_current => |ev| libinput_device.accel_profile_current = ev.profile,
.accel_speed_current => |ev| libinput_device.accel_speed_current = ev.speed.slice(f64)[0],
.natural_scroll_support => |ev| libinput_device.natural_scroll_support = ev.supported != 0,
.natural_scroll_current => |ev| libinput_device.natural_scroll_current = ev.state,
.left_handed_support => |ev| libinput_device.left_handed_support = ev.supported != 0,
.left_handed_current => |ev| libinput_device.left_handed_current = ev.state,
.click_method_support => |ev| libinput_device.click_method_support = ev.methods,
.click_method_current => |ev| libinput_device.click_method_current = ev.method,
.clickfinger_button_map_current => |ev| libinput_device.clickfinger_button_map_current = ev.button_map,
.middle_emulation_support => |ev| libinput_device.middle_emulation_support = ev.supported != 0,
.middle_emulation_current => |ev| libinput_device.middle_emulation_current = ev.state,
.scroll_method_support => |ev| libinput_device.scroll_method_support = ev.methods,
.scroll_method_current => |ev| libinput_device.scroll_method_current = ev.method,
.scroll_button_current => |ev| libinput_device.scroll_button_current = ev.button,
.scroll_button_lock_current => |ev| libinput_device.scroll_button_lock_current = ev.state,
.dwt_support => |ev| libinput_device.dwt_support = ev.supported != 0,
.dwt_current => |ev| libinput_device.dwt_current = ev.state,
.dwtp_support => |ev| libinput_device.dwtp_support = ev.supported != 0,
.dwtp_current => |ev| libinput_device.dwtp_current = ev.state,
.rotation_support => |ev| libinput_device.rotation_support = ev.supported != 0,
.rotation_current => |ev| libinput_device.rotation_current = ev.angle,
.send_events_support => |ev| libinput_device.capabilities.send_events = ev.modes,
.send_events_current => |ev| libinput_device.state.send_events = ev.mode,
.tap_support => |ev| libinput_device.capabilities.tap = @intCast(ev.finger_count),
.tap_current => |ev| libinput_device.state.tap = ev.state,
.tap_button_map_current => |ev| libinput_device.state.tap_button_map = ev.button_map,
.drag_current => |ev| libinput_device.state.drag = ev.state,
.drag_lock_current => |ev| libinput_device.state.drag_lock = ev.state,
.three_finger_drag_support => |ev| libinput_device.capabilities.three_finger_drag = @intCast(ev.finger_count),
.three_finger_drag_current => |ev| libinput_device.state.three_finger_drag = ev.state,
.calibration_matrix_support => |ev| libinput_device.capabilities.calibration_matrix = ev.supported != 0,
.calibration_matrix_current => |ev| libinput_device.state.calibration_matrix = ev.matrix.slice(f32),
.accel_profiles_support => |ev| libinput_device.capabilities.accel_profiles = ev.profiles,
.accel_profile_current => |ev| libinput_device.state.accel_profile = ev.profile,
.accel_speed_current => |ev| libinput_device.state.accel_speed = ev.speed.slice(f64)[0],
.natural_scroll_support => |ev| libinput_device.capabilities.natural_scroll = ev.supported != 0,
.natural_scroll_current => |ev| libinput_device.state.natural_scroll = ev.state,
.left_handed_support => |ev| libinput_device.capabilities.left_handed = ev.supported != 0,
.left_handed_current => |ev| libinput_device.state.left_handed = ev.state,
.click_method_support => |ev| libinput_device.capabilities.click_methods = ev.methods,
.click_method_current => |ev| libinput_device.state.click_method = ev.method,
.clickfinger_button_map_current => |ev| libinput_device.state.clickfinger_button_map = ev.button_map,
.middle_emulation_support => |ev| libinput_device.capabilities.middle_emulation = ev.supported != 0,
.middle_emulation_current => |ev| libinput_device.state.middle_emulation = ev.state,
.scroll_method_support => |ev| libinput_device.capabilities.scroll_methods = ev.methods,
.scroll_method_current => |ev| libinput_device.state.scroll_method = ev.method,
.scroll_button_current => |ev| libinput_device.state.scroll_button = ev.button,
.scroll_button_lock_current => |ev| libinput_device.state.scroll_button_lock = ev.state,
.dwt_support => |ev| libinput_device.capabilities.dwt = ev.supported != 0,
.dwt_current => |ev| libinput_device.state.dwt = ev.state,
.dwtp_support => |ev| libinput_device.capabilities.dwtp = ev.supported != 0,
.dwtp_current => |ev| libinput_device.state.dwtp = ev.state,
.rotation_support => |ev| libinput_device.capabilities.rotation = ev.supported != 0,
.rotation_current => |ev| libinput_device.state.rotation = ev.angle,
else => |ev| {
// We don't keep track of any default states right now
log.debug("unhandled event: {s}", .{@tagName(ev)});
@ -187,29 +178,29 @@ pub fn applyInputConfigs(libinput_device: *LibinputDevice) void {
log.debug("Applying input config to {s}", .{device_name});
if (@as(u32, @bitCast(libinput_device.send_events_support)) != 0) {
if (@as(u32, @bitCast(libinput_device.capabilities.send_events)) != 0) {
if (input_config.send_events) |val| {
const mode: SendEventsModes = @bitCast(@as(u32, @intCast(@intFromEnum(val))));
const mode_bits: u32 = @bitCast(mode);
const support_bits: u32 = @bitCast(libinput_device.send_events_support);
const support_bits: u32 = @bitCast(libinput_device.capabilities.send_events);
if (mode_bits == 0 or mode_bits & support_bits == mode_bits) {
applyResult(dev.setSendEvents(mode));
}
}
}
if (libinput_device.tap_support > 0) {
if (libinput_device.capabilities.tap > 0) {
if (input_config.tap) |val| applyResult(dev.setTap(val));
if (input_config.tap_button_map) |val| applyResult(dev.setTapButtonMap(val));
if (input_config.drag) |val| applyResult(dev.setDrag(val));
if (input_config.drag_lock) |val| applyResult(dev.setDragLock(val));
}
if (libinput_device.three_finger_drag_support >= 3) {
if (libinput_device.capabilities.three_finger_drag >= 3) {
if (input_config.three_finger_drag) |val| applyResult(dev.setThreeFingerDrag(val));
}
if (libinput_device.accel_profiles_support) |support| {
if (libinput_device.capabilities.accel_profiles) |support| {
if (input_config.accel_profile) |val| {
if (isSupported(AccelProfile, AccelProfiles, val, support)) {
applyResult(dev.setAccelProfile(val));
@ -226,15 +217,15 @@ pub fn applyInputConfigs(libinput_device: *LibinputDevice) void {
}
}
if (libinput_device.natural_scroll_support) {
if (libinput_device.capabilities.natural_scroll) {
if (input_config.natural_scroll) |val| applyResult(dev.setNaturalScroll(val));
}
if (libinput_device.left_handed_support) {
if (libinput_device.capabilities.left_handed) {
if (input_config.left_handed) |val| applyResult(dev.setLeftHanded(val));
}
if (libinput_device.click_method_support) |support| {
if (libinput_device.capabilities.click_methods) |support| {
if (input_config.click_method) |val| {
if (isSupported(ClickMethod, ClickMethods, val, support)) {
applyResult(dev.setClickMethod(val));
@ -243,11 +234,11 @@ pub fn applyInputConfigs(libinput_device: *LibinputDevice) void {
if (input_config.clickfinger_button_map) |val| applyResult(dev.setClickfingerButtonMap(val));
}
if (libinput_device.middle_emulation_support) {
if (libinput_device.capabilities.middle_emulation) {
if (input_config.middle_emulation) |val| applyResult(dev.setMiddleEmulation(val));
}
if (libinput_device.scroll_method_support) |support| {
if (libinput_device.capabilities.scroll_methods) |support| {
if (input_config.scroll_method) |val| {
if (isSupported(ScrollMethod, ScrollMethods, val, support)) {
applyResult(dev.setScrollMethod(val));
@ -259,15 +250,15 @@ pub fn applyInputConfigs(libinput_device: *LibinputDevice) void {
}
}
if (libinput_device.dwt_support) {
if (libinput_device.capabilities.dwt) {
if (input_config.dwt) |val| applyResult(dev.setDwt(val));
}
if (libinput_device.dwtp_support) {
if (libinput_device.capabilities.dwtp) {
if (input_config.dwtp) |val| applyResult(dev.setDwtp(val));
}
if (libinput_device.rotation_support) {
if (libinput_device.capabilities.rotation) {
if (input_config.rotation) |val| applyResult(dev.setRotation(val));
}
}