Add new font adjust configs (#2962)

Add keys for adjusting overline position/thickness and box drawing
thickness, + docs to each adjust key clarifying what the metric they
adjust does.

src/build/zsh_completions.zig

@@ -9,7 +9,7 @@ pub const zsh_completions = comptimeGenerateZshCompletions();
 
 fn comptimeGenerateZshCompletions() []const u8 {
     comptime {
-        @setEvalBranchQuota(19000);
+        @setEvalBranchQuota(50000);
         var counter = std.io.countingWriter(std.io.null_writer);
         try writeZshCompletions(&counter.writer());
 

src/config/Config.zig

@@ -255,12 +255,28 @@ const c = @cImport({
 ///     that things like status lines continue to look aligned.
 @"adjust-cell-width": ?MetricModifier = null,
 @"adjust-cell-height": ?MetricModifier = null,
+/// Distance in pixels from the bottom of the cell to the text baseline.
+/// Increase to move baseline UP, decrease to move baseline DOWN.
 @"adjust-font-baseline": ?MetricModifier = null,
+/// Distance in pixels from the top of the cell to the top of the underline.
+/// Increase to move underline DOWN, decrease to move underline UP.
 @"adjust-underline-position": ?MetricModifier = null,
+/// Thickness in pixels of the underline.
 @"adjust-underline-thickness": ?MetricModifier = null,
+/// Distance in pixels from the top of the cell to the top of the strikethrough.
+/// Increase to move strikethrough DOWN, decrease to move underline UP.
 @"adjust-strikethrough-position": ?MetricModifier = null,
+/// Thickness in pixels of the strikethrough.
 @"adjust-strikethrough-thickness": ?MetricModifier = null,
+/// Distance in pixels from the top of the cell to the top of the overline.
+/// Increase to move overline DOWN, decrease to move underline UP.
+@"adjust-overline-position": ?MetricModifier = null,
+/// Thickness in pixels of the overline.
+@"adjust-overline-thickness": ?MetricModifier = null,
+/// Thickness in pixels of the bar cursor and outlined rect cursor.
 @"adjust-cursor-thickness": ?MetricModifier = null,
+/// Thickness in pixels of box drawing characters.
+@"adjust-box-thickness": ?MetricModifier = null,
 
 /// The method to use for calculating the cell width of a grapheme cluster.
 /// The default value is `unicode` which uses the Unicode standard to determine

src/font/SharedGridSet.zig

@@ -427,7 +427,10 @@ pub const DerivedConfig = struct {
     @"adjust-underline-thickness": ?Metrics.Modifier,
     @"adjust-strikethrough-position": ?Metrics.Modifier,
     @"adjust-strikethrough-thickness": ?Metrics.Modifier,
+    @"adjust-overline-position": ?Metrics.Modifier,
+    @"adjust-overline-thickness": ?Metrics.Modifier,
     @"adjust-cursor-thickness": ?Metrics.Modifier,
+    @"adjust-box-thickness": ?Metrics.Modifier,
     @"freetype-load-flags": font.face.FreetypeLoadFlags,
 
     /// Initialize a DerivedConfig. The config should be either a
@@ -462,7 +465,10 @@ pub const DerivedConfig = struct {
             .@"adjust-underline-thickness" = config.@"adjust-underline-thickness",
             .@"adjust-strikethrough-position" = config.@"adjust-strikethrough-position",
             .@"adjust-strikethrough-thickness" = config.@"adjust-strikethrough-thickness",
+            .@"adjust-overline-position" = config.@"adjust-overline-position",
+            .@"adjust-overline-thickness" = config.@"adjust-overline-thickness",
             .@"adjust-cursor-thickness" = config.@"adjust-cursor-thickness",
+            .@"adjust-box-thickness" = config.@"adjust-box-thickness",
             .@"freetype-load-flags" = if (font.face.FreetypeLoadFlags != void) config.@"freetype-load-flags" else {},
 
             // This must be last so the arena contains all our allocations
@@ -604,7 +610,10 @@ pub const Key = struct {
             if (config.@"adjust-underline-thickness") |m| try set.put(alloc, .underline_thickness, m);
             if (config.@"adjust-strikethrough-position") |m| try set.put(alloc, .strikethrough_position, m);
             if (config.@"adjust-strikethrough-thickness") |m| try set.put(alloc, .strikethrough_thickness, m);
+            if (config.@"adjust-overline-position") |m| try set.put(alloc, .overline_position, m);
+            if (config.@"adjust-overline-thickness") |m| try set.put(alloc, .overline_thickness, m);
             if (config.@"adjust-cursor-thickness") |m| try set.put(alloc, .cursor_thickness, m);
+            if (config.@"adjust-box-thickness") |m| try set.put(alloc, .box_thickness, m);
             break :set set;
         };