From f9e11273174756a474ef08808dbd0948c0942cff Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 30 Sep 2022 14:48:06 -0700
Subject: [PATCH] pkg/macos: add CoreText

---
 build.zig                           |  7 +++++-
 pkg/macos/build.zig                 |  1 +
 pkg/macos/foundation.zig            |  1 +
 pkg/macos/foundation/dictionary.zig | 37 +++++++++++++++++++++++++++++
 pkg/macos/main.zig                  |  1 +
 pkg/macos/text.zig                  |  5 ++++
 pkg/macos/text/font_collection.zig  | 22 +++++++++++++++++
 7 files changed, 73 insertions(+), 1 deletion(-)
 create mode 100644 pkg/macos/foundation/dictionary.zig
 create mode 100644 pkg/macos/text.zig
 create mode 100644 pkg/macos/text/font_collection.zig

diff --git a/build.zig b/build.zig
index c99995eb8..f227ee657 100644
--- a/build.zig
+++ b/build.zig
@@ -184,7 +184,12 @@ fn addDeps(
     step.addPackage(glfw.pkg);
     step.addPackage(libuv.pkg);
     step.addPackage(utf8proc.pkg);
-    if (step.target.isDarwin()) step.addPackage(macos.pkg);
+
+    // Mac Stuff
+    if (step.target.isDarwin()) {
+        step.addPackage(macos.pkg);
+        _ = try macos.link(b, step, .{});
+    }
 
     // We always statically compile glad
     step.addIncludePath("vendor/glad/include/");
diff --git a/pkg/macos/build.zig b/pkg/macos/build.zig
index 9f1eb1796..78df21ee8 100644
--- a/pkg/macos/build.zig
+++ b/pkg/macos/build.zig
@@ -20,5 +20,6 @@ pub fn link(
     _ = opt;
     const lib = b.addStaticLibrary("macos", null);
     step.linkFramework("CoreFoundation");
+    step.linkFramework("CoreText");
     return lib;
 }
diff --git a/pkg/macos/foundation.zig b/pkg/macos/foundation.zig
index f2abe233a..9f23a611b 100644
--- a/pkg/macos/foundation.zig
+++ b/pkg/macos/foundation.zig
@@ -1,3 +1,4 @@
+pub usingnamespace @import("foundation/dictionary.zig");
 pub usingnamespace @import("foundation/string.zig");
 pub usingnamespace @import("foundation/type.zig");
 
diff --git a/pkg/macos/foundation/dictionary.zig b/pkg/macos/foundation/dictionary.zig
new file mode 100644
index 000000000..495accd50
--- /dev/null
+++ b/pkg/macos/foundation/dictionary.zig
@@ -0,0 +1,37 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const cftype = @import("type.zig");
+
+pub const Dictionary = opaque {
+    pub fn create() Allocator.Error!*Dictionary {
+        return CFDictionaryCreate(
+            null,
+            null,
+            null,
+            0,
+            &kCFTypeDictionaryKeyCallBacks,
+            &kCFTypeDictionaryValueCallBacks,
+        ) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *Dictionary) void {
+        cftype.CFRelease(self);
+    }
+
+    pub extern "c" fn CFDictionaryCreate(
+        allocator: ?*anyopaque,
+        keys: ?[*]*const anyopaque,
+        values: ?[*]*const anyopaque,
+        num_values: usize,
+        key_callbacks: *const anyopaque,
+        value_callbacks: *const anyopaque,
+    ) ?*Dictionary;
+
+    extern "c" var kCFTypeDictionaryKeyCallBacks: anyopaque;
+    extern "c" var kCFTypeDictionaryValueCallBacks: anyopaque;
+};
+
+test "dictionary" {
+    const dict = try Dictionary.create();
+    defer dict.release();
+}
diff --git a/pkg/macos/main.zig b/pkg/macos/main.zig
index e651c0103..d938a633d 100644
--- a/pkg/macos/main.zig
+++ b/pkg/macos/main.zig
@@ -1,4 +1,5 @@
 pub const foundation = @import("foundation.zig");
+pub const text = @import("text.zig");
 
 test {
     @import("std").testing.refAllDecls(@This());
diff --git a/pkg/macos/text.zig b/pkg/macos/text.zig
new file mode 100644
index 000000000..7455fde5e
--- /dev/null
+++ b/pkg/macos/text.zig
@@ -0,0 +1,5 @@
+pub usingnamespace @import("text/font_collection.zig");
+
+test {
+    @import("std").testing.refAllDecls(@This());
+}
diff --git a/pkg/macos/text/font_collection.zig b/pkg/macos/text/font_collection.zig
new file mode 100644
index 000000000..7de026f29
--- /dev/null
+++ b/pkg/macos/text/font_collection.zig
@@ -0,0 +1,22 @@
+const std = @import("std");
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+
+pub const FontCollection = opaque {
+    pub fn createFromAvailableFonts() Allocator.Error!*FontCollection {
+        return CTFontCollectionCreateFromAvailableFonts(null) orelse Allocator.Error.OutOfMemory;
+    }
+
+    pub fn release(self: *FontCollection) void {
+        foundation.CFRelease(self);
+    }
+
+    pub extern "c" fn CTFontCollectionCreateFromAvailableFonts(
+        options: ?*foundation.Dictionary,
+    ) ?*FontCollection;
+};
+
+test "collection" {
+    const v = try FontCollection.createFromAvailableFonts();
+    defer v.release();
+}