feat: finish ghostty pane backend integration

1 files changed, 49 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/pkg/macos/text/paragraph_style.zig b/vendor/libghostty-vt/pkg/macos/text/paragraph_style.zig
new file mode 100644
index 00000000..f1d7fe95
--- /dev/null
+++ b/vendor/libghostty-vt/pkg/macos/text/paragraph_style.zig
@@ -0,0 +1,49 @@
+const std = @import("std");
+const assert = std.debug.assert;
+const Allocator = std.mem.Allocator;
+const foundation = @import("../foundation.zig");
+const graphics = @import("../graphics.zig");
+const text = @import("../text.zig");
+const c = @import("c.zig").c;
+
+// https://developer.apple.com/documentation/coretext/ctparagraphstyle?language=objc
+pub const ParagraphStyle = opaque {
+    pub fn create(
+        settings: []const ParagraphStyleSetting,
+    ) Allocator.Error!*ParagraphStyle {
+        return @ptrCast(@constCast(c.CTParagraphStyleCreate(
+            @ptrCast(settings.ptr),
+            settings.len,
+        )));
+    }
+
+    pub fn release(self: *ParagraphStyle) void {
+        foundation.CFRelease(self);
+    }
+};
+
+/// https://developer.apple.com/documentation/coretext/ctparagraphstylesetting?language=objc
+pub const ParagraphStyleSetting = extern struct {
+    spec: ParagraphStyleSpecifier,
+    value_size: usize,
+    value: *const anyopaque,
+};
+
+/// https://developer.apple.com/documentation/coretext/ctparagraphstylespecifier?language=objc
+pub const ParagraphStyleSpecifier = enum(c_uint) {
+    base_writing_direction = 13,
+};
+
+/// https://developer.apple.com/documentation/uikit/nswritingdirectionattributename?language=objc
+pub const WritingDirection = enum(c_int) {
+    natural = -1,
+    ltr = 0,
+    rtl = 1,
+    lro = 2,
+    rlo = 3,
+};
+
+test ParagraphStyle {
+    const p = try ParagraphStyle.create(&.{});
+    defer p.release();
+}