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221f905a1c
Closes #6702 This removes our mach-glfw dependency and replaces it with an in-tree pkg/glfw that includes both the source for compiling glfw as well as the Zig bindings. This matches the pattern from our other packages. This is based on the upstream mach-glfw work and therefore includes the original license and copyright information. The reasoning is stated in the issue but to summarize for the commit: - mach-glfw is no longer maintained, so we have to take ownership - mach-glfw depended on some large blobs of header files to enable cross-compilation but this isn't something we actually care about, so we can (and do) drop the blobs - mach-glfw blobs were hosted on mach hosts. given mach-glfw is unmaintained, we can't rely on this hosting - mach-glfw relied on a "glfw" package which was owned by another person to be Zig 0.14 compatible, but we no longer need to rely on this - mach-glfw builds were outdated based on latest Zig practices
101 lines
2.6 KiB
Zig
101 lines
2.6 KiB
Zig
const c = @import("c.zig").c;
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// must be in sync with GLFW C constants in hat state group, search for "@defgroup hat_state Joystick hat states"
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/// A bitmask of all Joystick hat states
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///
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/// See glfw.Joystick.getHats for how these are used.
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pub const Hat = packed struct(u8) {
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up: bool = false,
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right: bool = false,
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down: bool = false,
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left: bool = false,
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_padding: u4 = 0,
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pub inline fn centered(self: Hat) bool {
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return self.up == false and self.right == false and self.down == false and self.left == false;
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}
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inline fn verifyIntType(comptime IntType: type) void {
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comptime {
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switch (@import("shims.zig").typeInfo(IntType)) {
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.int => {},
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else => @compileError("Int was not of int type"),
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}
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}
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}
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pub inline fn toInt(self: Hat, comptime IntType: type) IntType {
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verifyIntType(IntType);
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return @as(IntType, @intCast(@as(u8, @bitCast(self))));
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}
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pub inline fn fromInt(flags: anytype) Hat {
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verifyIntType(@TypeOf(flags));
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return @as(Hat, @bitCast(@as(u8, @intCast(flags))));
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}
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};
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/// Holds all GLFW hat values in their raw form.
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pub const RawHat = struct {
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pub const centered = c.GLFW_HAT_CENTERED;
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pub const up = c.GLFW_HAT_UP;
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pub const right = c.GLFW_HAT_RIGHT;
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pub const down = c.GLFW_HAT_DOWN;
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pub const left = c.GLFW_HAT_LEFT;
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pub const right_up = right | up;
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pub const right_down = right | down;
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pub const left_up = left | up;
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pub const left_down = left | down;
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};
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test "from int, single" {
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const std = @import("std");
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try std.testing.expectEqual(Hat{
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.up = true,
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.right = false,
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.down = false,
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.left = false,
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._padding = 0,
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}, Hat.fromInt(RawHat.up));
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}
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test "from int, multi" {
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const std = @import("std");
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try std.testing.expectEqual(Hat{
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.up = true,
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.right = false,
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.down = true,
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.left = true,
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._padding = 0,
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}, Hat.fromInt(RawHat.up | RawHat.down | RawHat.left));
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}
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test "to int, single" {
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const std = @import("std");
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var v = Hat{
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.up = true,
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.right = false,
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.down = false,
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.left = false,
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._padding = 0,
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};
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try std.testing.expectEqual(v.toInt(c_int), RawHat.up);
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}
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test "to int, multi" {
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const std = @import("std");
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var v = Hat{
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.up = true,
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.right = false,
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.down = true,
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.left = true,
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._padding = 0,
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};
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try std.testing.expectEqual(v.toInt(c_int), RawHat.up | RawHat.down | RawHat.left);
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}
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