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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111const std = @import("std");
/// The type of action associated with a mouse event. This is different/// from ButtonState because button state is simply the current state/// of a mouse button but an action is something that triggers via/// an GUI event and supports more.pub const Action = enum(c_int) { press, release, motion };
/// The state of a mouse button.////// This is backed by a c_int so we can use this as-is for our embedding API.////// IMPORTANT: Any changes here update include/ghostty.hpub const ButtonState = enum(c_int) { release, press,};
/// Possible mouse buttons. We only track up to 11 because that's the maximum/// button input that terminal mouse tracking handles without becoming/// ambiguous.////// Its a bit silly to name numbers like this but given its a restricted/// set, it feels better than passing around raw numeric literals.////// This is backed by a c_int so we can use this as-is for our embedding API.////// IMPORTANT: Any changes here update include/ghostty.hpub const Button = enum(c_int) { const Self = @This();
/// The maximum value in this enum. This can be used to create a densely /// packed array, for example. pub const max = max: { var cur = 0; for (@typeInfo(Self).@"enum".fields) |field| { if (field.value > cur) cur = field.value; }
break :max cur; };
unknown = 0, left = 1, right = 2, middle = 3, four = 4, five = 5, six = 6, seven = 7, eight = 8, nine = 9, ten = 10, eleven = 11,};
/// The "momentum" of a mouse scroll event. This matches the macOS events/// because it is the only reliable source right now of momentum events./// This is used to handle "inertial scrolling" (i.e. flicking).////// https://developer.apple.com/documentation/appkit/nseventphasepub const Momentum = enum(u3) { none = 0, began = 1, stationary = 2, changed = 3, ended = 4, cancelled = 5, may_begin = 6,};
/// The pressure stage of a pressure-sensitive input device.////// This currently only supports the stages that macOS supports.pub const PressureStage = enum(u2) { /// The input device is unpressed. none = 0,
/// The input device is pressed a normal amount. On macOS trackpads, /// this is after a "click". normal = 1,
/// The input device is pressed a deep amount. On macOS trackpads, /// this is after a "force click". deep = 2,};
/// The bitmask for mods for scroll events.pub const ScrollMods = packed struct(u8) { /// True if this is a high-precision scroll event. For example, Apple /// devices such as Magic Mouse, trackpads, etc. are high-precision /// and send very detailed scroll events. precision: bool = false,
/// The momentum phase (if available, supported) of the scroll event. /// This is used to handle "inertial scrolling" (i.e. flicking). momentum: Momentum = .none,
_padding: u4 = 0,
// For our own understanding test { const testing = std.testing; try testing.expectEqual(@as(u8, @bitCast(ScrollMods{})), @as(u8, 0b0)); try testing.expectEqual( @as(u8, @bitCast(ScrollMods{ .precision = true })), @as(u8, 0b0000_0001), ); }};