Fixes #47 - hiding the scroll view scollers so they don't affec the content offset.

Author: stefanceriu

SCXcodeMinimap.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		1809FF8F1AED1A730058D946 /* NSScroller+SCXcodeMinimap.m in Sources */ = {isa = PBXBuildFile; fileRef = 1809FF8E1AED1A730058D946 /* NSScroller+SCXcodeMinimap.m */; };
 		1819E4291AA1FB5900C344F2 /* SCXcodeMinimapScrollView.m in Sources */ = {isa = PBXBuildFile; fileRef = 1819E4281AA1FB5900C344F2 /* SCXcodeMinimapScrollView.m */; };
 		184C11861A740F97002A7C65 /* SCXcodeMinimapSelectionView.m in Sources */ = {isa = PBXBuildFile; fileRef = 184C11821A740F97002A7C65 /* SCXcodeMinimapSelectionView.m */; };
 		184C11871A740F97002A7C65 /* SCXcodeMinimapView.m in Sources */ = {isa = PBXBuildFile; fileRef = 184C11841A740F97002A7C65 /* SCXcodeMinimapView.m */; };
@@ -24,6 +25,8 @@
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
+		1809FF8D1AED1A730058D946 /* NSScroller+SCXcodeMinimap.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "NSScroller+SCXcodeMinimap.h"; sourceTree = "<group>"; };
+		1809FF8E1AED1A730058D946 /* NSScroller+SCXcodeMinimap.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "NSScroller+SCXcodeMinimap.m"; sourceTree = "<group>"; };
 		180F0C651A98AE1500E97254 /* DVTAnnotationManager.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DVTAnnotationManager.h; sourceTree = "<group>"; };
 		1812C3911A77A7CF00E2CFB3 /* IDESourceCodeDocument.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; lineEnding = 0; path = IDESourceCodeDocument.h; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
 		1819E4271AA1FB5900C344F2 /* SCXcodeMinimapScrollView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SCXcodeMinimapScrollView.h; sourceTree = "<group>"; };
@@ -194,6 +197,8 @@
 				18C2EA5B1A9C7F8A002CEB20 /* DBGBreakpointAnnotation+SCXcodeMinimap.m */,
 				188FCC881A98B57A0026F529 /* DBGBreakpointAnnotationProvider+SCXcodeMinimap.h */,
 				188FCC891A98B57A0026F529 /* DBGBreakpointAnnotationProvider+SCXcodeMinimap.m */,
+				1809FF8D1AED1A730058D946 /* NSScroller+SCXcodeMinimap.h */,
+				1809FF8E1AED1A730058D946 /* NSScroller+SCXcodeMinimap.m */,
 				18FE09BC1707639E00118FEB /* Supporting Files */,
 				184C11701A740F8A002A7C65 /* Xcode Headers */,
 			);
@@ -276,6 +281,7 @@
 				184C11871A740F97002A7C65 /* SCXcodeMinimapView.m in Sources */,
 				18C2EA5C1A9C7F8A002CEB20 /* DBGBreakpointAnnotation+SCXcodeMinimap.m in Sources */,
 				1819E4291AA1FB5900C344F2 /* SCXcodeMinimapScrollView.m in Sources */,
+				1809FF8F1AED1A730058D946 /* NSScroller+SCXcodeMinimap.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};

SCXcodeMinimap/NSScroller+SCXcodeMinimap.h

@@ -0,0 +1,15 @@
+//
+//  NSScroller+SCXcodeMinimap.h
+//  SCXcodeMinimap
+//
+//  Created by Stefan Ceriu on 4/26/15.
+//  Copyright (c) 2015 Stefan Ceriu. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface NSScroller (SCXcodeMinimap)
+
+@property (nonatomic, assign) BOOL forcedHidden;
+
+@end

SCXcodeMinimap/NSScroller+SCXcodeMinimap.m

@@ -0,0 +1,37 @@
+//
+//  NSScroller+SCXcodeMinimap.m
+//  SCXcodeMinimap
+//
+//  Created by Stefan Ceriu on 4/26/15.
+//  Copyright (c) 2015 Stefan Ceriu. All rights reserved.
+//
+
+#import "NSScroller+SCXcodeMinimap.h"
+#import <objc/runtime.h>
+
+@implementation NSScroller (SCXcodeMinimap)
+@dynamic forcedHidden;
+
+- (BOOL)forcedHidden
+{
+	return [objc_getAssociatedObject(self, @selector(forcedHidden)) boolValue];
+}
+
+- (void)setForcedHidden:(BOOL)forcedHidden
+{
+	objc_setAssociatedObject(self, @selector(forcedHidden), @(forcedHidden), OBJC_ASSOCIATION_ASSIGN);
+	
+	[self setHidden:forcedHidden];
+}
+
+- (void)setHidden:(BOOL)hidden
+{
+	if(self.forcedHidden) {
+		super.hidden = YES;
+		return;
+	}
+	
+	super.hidden = hidden;
+}
+
+@end

SCXcodeMinimap/SCXcodeMinimapView.m

@@ -31,6 +31,8 @@
 #import "DBGBreakpointAnnotation+SCXcodeMinimap.h"
 #import "DBGBreakpointAnnotation.h"
 
+#import "NSScroller+SCXcodeMinimap.h"
+
 const CGFloat kBackgroundColorShadowLevel = 0.1f;
 const CGFloat kDurationBetweenInvalidations = 0.5f;
 
@@ -156,10 +158,8 @@ - (instancetype)initWithEditor:(IDESourceCodeEditor *)editor
 			[self invalidateDisplayForVisibleRange];
 		}
 
-		
-		BOOL shouldHideEditorVerticalScroller = [[[NSUserDefaults standardUserDefaults] objectForKey:SCXcodeMinimapShouldHideEditorScrollerKey] boolValue];
-		[self.editor.scrollView setHasVerticalScroller:!shouldHideEditorVerticalScroller];
-		
+		BOOL shouldHideVerticalScroller = [[[NSUserDefaults standardUserDefaults] objectForKey:SCXcodeMinimapShouldHideEditorScrollerKey] boolValue];
+		[self.editor.scrollView.verticalScroller setForcedHidden:shouldHideVerticalScroller];
 
 		// Notifications
 
@@ -201,7 +201,8 @@ - (instancetype)initWithEditor:(IDESourceCodeEditor *)editor
 		}]];
 
 		[self.notificationObservers addObject:[[NSNotificationCenter defaultCenter] addObserverForName:SCXcodeMinimapHideEditorScrollerChangeNotification object:nil queue:nil usingBlock:^(NSNotification *note) {
-			[weakSelf.editor.scrollView setHasVerticalScroller:![[[NSUserDefaults standardUserDefaults] objectForKey:SCXcodeMinimapShouldHideEditorScrollerKey] boolValue]];
+			BOOL shouldHideVerticalScroller = [[[NSUserDefaults standardUserDefaults] objectForKey:SCXcodeMinimapShouldHideEditorScrollerKey] boolValue];
+			[weakSelf.editor.scrollView.verticalScroller setForcedHidden:shouldHideVerticalScroller];
 		}]];
 
 		[self.notificationObservers addObject:[[NSNotificationCenter defaultCenter] addObserverForName:SCXcodeMinimapThemeChangeNotification object:nil queue:nil usingBlock:^(NSNotification *note) {