From 21440aebb021f6c78b315347d99ef87e98fdb717 Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Sun, 8 Dec 2019 12:42:05 -0500
Subject: [PATCH] Centralize font selection via +[BSSourceView sourceFont].

---
 Source/BSLineNumberRulerView.mm | 13 +++++--------
 Source/BSSourceView.h           |  2 ++
 Source/BSSourceView.mm          | 23 +++++++++++++++++------
 3 files changed, 24 insertions(+), 14 deletions(-)

diff --git a/Source/BSLineNumberRulerView.mm b/Source/BSLineNumberRulerView.mm
index 7b1d253..b530bf0 100644
--- a/Source/BSLineNumberRulerView.mm
+++ b/Source/BSLineNumberRulerView.mm
@@ -235,14 +235,11 @@ const CGFloat kRulerRightPadding = 2.5;
  */
 - (NSDictionary*)fontAttributes
 {
-  NSFont* font = [NSFont fontWithName:@"Menlo" size:10.0];
-  if (!font)
-    font = [NSFont fontWithName:@"Monaco" size:10.0];
-  return [NSDictionary dictionaryWithObjectsAndKeys:
-      font, NSFontAttributeName,
-      [NSColor grayColor], NSForegroundColorAttributeName,
-      nil
-  ];
+  NSFont* font = [NSFont fontWithDescriptor:[[BSSourceView sourceFont] fontDescriptor] size:11.0];
+  return @{
+    NSFontAttributeName            : font,
+    NSForegroundColorAttributeName : [NSColor grayColor],
+  };
 }
 
 /**
diff --git a/Source/BSSourceView.h b/Source/BSSourceView.h
index ac50431..a9359da 100644
--- a/Source/BSSourceView.h
+++ b/Source/BSSourceView.h
@@ -52,6 +52,8 @@
 - (void)setString:(NSString*)source asFile:(NSString*)path;
 - (void)scrollToLine:(NSUInteger)line;
 
++ (NSFont*)sourceFont;
+
 @end
 
 // Delegate ////////////////////////////////////////////////////////////////////
diff --git a/Source/BSSourceView.mm b/Source/BSSourceView.mm
index 8892801..e7bf17b 100644
--- a/Source/BSSourceView.mm
+++ b/Source/BSSourceView.mm
@@ -131,6 +131,20 @@
   [scrollView_ setNeedsDisplay:YES];
 }
 
+/**
+ * Returns the preferred font for source views.
+ */
++ (NSFont*)sourceFont
+{
+  static NSFont* font = nil;
+  if (!font) {
+    font = [NSFont fontWithName:@"Menlo" size:12];
+    if (!font)
+      font = [NSFont fontWithName:@"Monaco" size:12.0];
+  }
+  return font;
+}
+
 /**
  * Setup all the subviews for the source metaview
  */
@@ -153,7 +167,7 @@
   textView_ = [[BSSourceViewTextView alloc] initWithFrame:textFrame];
   [textView_ setSourceView:self];
   [textView_ setEditable:NO];
-  [textView_ setFont:[NSFont fontWithName:@"Monaco" size:10.0]];
+  [textView_ setFont:[[self class] sourceFont]];
   [textView_ setHorizontallyResizable:YES];
   [textView_ setVerticallyResizable:YES];
   [textView_ setMinSize:textFrame.size];
@@ -207,11 +221,8 @@
         [stringData replaceOccurrencesOfString:@"\u00A0" withString:@" " options:0 range:NSMakeRange(0, stringData.length)];
 
         // Override the default font from Courier.
-        NSFont* menloFont = [NSFont fontWithName:@"Menlo" size:12];
-        if (menloFont) {
-          [source addAttributes:@{ NSFontAttributeName : menloFont }
-                          range:NSMakeRange(0, source.length)];
-        }
+        [source addAttributes:@{ NSFontAttributeName : [[self class] sourceFont] }
+                        range:NSMakeRange(0, source.length)];
       } else {
         NSLog(@"Failed to highlight PHP file %@: %@", filePath, [[errPipe fileHandleForReading] readDataToEndOfFile]);
       }
-- 
2.22.5