From dffe0c9ea6eaccd527cb66e81c4f5ee86d128adb Mon Sep 17 00:00:00 2001
From: Robert Sesek <rsesek@bluestatic.org>
Date: Mon, 10 Mar 2008 15:13:09 -0400
Subject: [PATCH] Making progress on our -[mouseDown:] event handler, but it's
 not quite working

* Source/BSLineNumberView.m:
([BSLineNumberView mouseDown:]): New method
* Source/BSSourceView.h: New delegate prop-ivar
* Source/BSSourceView.m: Synthesizing the delegate ivar
---
 Source/BSLineNumberView.m | 34 +++++++++++++++++++++++++++++++++-
 Source/BSSourceView.h     |  3 +++
 Source/BSSourceView.m     |  2 +-
 3 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/Source/BSLineNumberView.m b/Source/BSLineNumberView.m
index 34952c2..003a6f6 100644
--- a/Source/BSLineNumberView.m
+++ b/Source/BSLineNumberView.m
@@ -81,5 +81,37 @@
 		line++;
 	}
 }
-	
+
+/**
+ * Handles the mouse down event (which is adding, deleting, and toggling breakpoints)
+ */
+- (void)mouseDown:(NSEvent *)event
+{
+	NSLog(@"mouse down!");
+	NSRange visible = [[[sourceView textView] layoutManager] glyphRangeForBoundingRect:[[sourceView scrollView] documentVisibleRect] inTextContainer:[[sourceView textView] textContainer]];
+	unsigned line = 1;
+	unsigned i = 0;
+	NSPoint p = [self convertPoint:[event locationInWindow] fromView:nil];
+	float adjust = (int)([[sourceView scrollView] documentVisibleRect].size.height + [[sourceView scrollView] documentVisibleRect].origin.y) % (int)[self bounds].size.height;
+	p.y += adjust;
+	while (i < [[[sourceView textView] layoutManager] numberOfGlyphs])
+	{
+		NSRange fragRange;
+		NSRect fragRect = [[[sourceView textView] layoutManager] lineFragmentRectForGlyphAtIndex:i effectiveRange:&fragRange];
+		fragRect.size.width = [self bounds].size.width;
+		int hLV = [self bounds].size.height;
+		int hVR = [[sourceView scrollView] documentVisibleRect].size.height + [[sourceView scrollView] documentVisibleRect].origin.y;
+		fragRect.origin.y += hVR % hLV;
+		if (i >= visible.location && NSPointInRect(p, fragRect))
+		{
+			NSLog(@"clicked in %i", line);
+			break;
+		}
+		
+		i += fragRange.length;
+		//p.y += fragRect.size.height;
+		line++;
+	}
+}
+
 @end
diff --git a/Source/BSSourceView.h b/Source/BSSourceView.h
index 28193f5..da26f82 100644
--- a/Source/BSSourceView.h
+++ b/Source/BSSourceView.h
@@ -25,12 +25,15 @@
 	NSScrollView *scrollView;
 	
 	int markedLine;
+	
+	id delegate;
 }
 
 @property(readwrite, assign) BSLineNumberView *numberView;
 @property(readwrite, assign) BSSourceViewTextView *textView;
 @property(readwrite, assign) NSScrollView *scrollView;
 @property(readwrite, assign) int markedLine;
+@property(readwrite, assign) id delegate;
 
 - (void)scrollToLine:(int)line;
 
diff --git a/Source/BSSourceView.m b/Source/BSSourceView.m
index a3278c2..6aef6b2 100644
--- a/Source/BSSourceView.m
+++ b/Source/BSSourceView.m
@@ -22,7 +22,7 @@
 
 @implementation BSSourceView
 
-@synthesize numberView, textView, scrollView, markedLine;
+@synthesize numberView, textView, scrollView, markedLine, delegate;
 
 /**
  * Initializes the source view with the path of a file
-- 
2.22.5