Update source code compatibility

* Remove forward SDK declaration for 10.8 and below (since that is the minimum required development SDK)
* Fix one case where a method unconditionally required a 10.9+ runtime
* Move all of the forward/backward hacks into their own file

21 files changed, 177 insertions, 208 deletions

diff --git a/Source/SPAppController.m b/Source/SPAppController.m
index c7412419..3028c0f6 100644
--- a/Source/SPAppController.m
+++ b/Source/SPAppController.m
@@ -50,6 +50,7 @@
 #import "SPWindowManagement.h"
 #import "SPCopyTable.h"
 #import "SPSyntaxParser.h"
+#import "SPOSInfo.h"
 
 #import <PSMTabBar/PSMTabBarControl.h>
 #import <Sparkle/Sparkle.h>
@@ -825,7 +826,14 @@
 	// remove percent encoding
 	NSMutableArray *decodedPathComponents = [NSMutableArray arrayWithCapacity:pathComponents.count];
 	for (NSString *component in pathComponents) {
-		[decodedPathComponents addObject:component.stringByRemovingPercentEncoding];
+		NSString *decoded;
+		if([SPOSInfo isOSVersionAtLeastMajor:10 minor:9 patch:0]) {
+			decoded = [component stringByRemovingPercentEncoding];
+		}
+		else {
+			decoded = [component stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
+		}
+		[decodedPathComponents addObject:decoded];
 	}
 	pathComponents = decodedPathComponents.copy;
 	
@@ -1599,7 +1607,7 @@
 	NSMenu *menu = [[[NSApp mainMenu] itemWithTag:SPMainMenuBundles] submenu];
 
 	// Clean menu
-	[menu compatibleRemoveAllItems];
+	[menu removeAllItems];
 
 	// Set up the bundle search paths
 	// First process all in Application Support folder installed ones then Default ones
diff --git a/Source/SPBundleEditorController.m b/Source/SPBundleEditorController.m
index e95c5d8c..ddac2b9e 100644
--- a/Source/SPBundleEditorController.m
+++ b/Source/SPBundleEditorController.m
@@ -29,7 +29,6 @@
 //  More info at <https://github.com/sequelpro/sequelpro>
 
 #import "SPBundleEditorController.h"
-#import "SPMenuAdditions.h"
 #import "SPBundleCommandRunner.h"
 #import "SPOutlineView.h"
 #import "SPBundleCommandTextView.h"
@@ -245,7 +244,7 @@
 	}
 
 	NSMenuItem *anItem;
-	[inputGeneralScopePopUpMenu compatibleRemoveAllItems];
+	[inputGeneralScopePopUpMenu removeAllItems];
 	anItem = [[NSMenuItem alloc] initWithTitle:SP_BUNDLEEDITOR_SCOPE_GENERAL_STRING action:@selector(scopeButtonChanged:) keyEquivalent:@""];
 	[anItem setTag:kGeneralScopeArrayIndex];
 	[inputGeneralScopePopUpMenu addItem:anItem];
diff --git a/Source/SPBundleHTMLOutputController.m b/Source/SPBundleHTMLOutputController.m
index ecf16faa..6d9f70be 100644
--- a/Source/SPBundleHTMLOutputController.m
+++ b/Source/SPBundleHTMLOutputController.m
@@ -73,9 +73,7 @@ static NSString *SPSaveDocumentAction = @"SPSaveDocument";
 		[webView setDrawsBackground:YES];
 		[webView setEditable:NO];
 		[webView setShouldCloseWithWindow:YES];
-#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
 		[webView setShouldUpdateWhileOffscreen:NO];
-#endif
 		suppressExceptionAlerting = NO;
 	}
 	
diff --git a/Source/SPCategoryAdditions.h b/Source/SPCategoryAdditions.h
index 991cb60c..f2e08f53 100644
--- a/Source/SPCategoryAdditions.h
+++ b/Source/SPCategoryAdditions.h
@@ -42,7 +42,6 @@
 #import "SPWindowAdditions.h"
 #import "SPDataAdditions.h"
 #import "SPDataBase64EncodingAdditions.h"
-#import "SPMenuAdditions.h"
 #import "SPNotLoaded.h"
 #import "SPMainThreadTrampoline.h"
 #import "SPColorAdditions.h"
diff --git a/Source/SPCompatibility.h b/Source/SPCompatibility.h
new file mode 100644
index 00000000..0154bb2a
--- /dev/null
+++ b/Source/SPCompatibility.h
@@ -0,0 +1,151 @@
+//
+//  SPCompatibility.h
+//  sequel-pro
+//
+//  Created by Max Lohrmann on 31.03.17.
+//  Copyright (c) 2017 Max Lohrmann. All rights reserved.
+//
+//  Permission is hereby granted, free of charge, to any person
+//  obtaining a copy of this software and associated documentation
+//  files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use,
+//  copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following
+//  conditions:
+//
+//  The above copyright notice and this permission notice shall be
+//  included in all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+//  OTHER DEALINGS IN THE SOFTWARE.
+//
+//  More info at <https://github.com/sequelpro/sequelpro>
+
+/**
+ * This file contains declarations for backward compatibility to
+ * older XCode versions / SDKs.
+ *
+ * The current minimum required SDK is 10.8!
+ */
+
+#ifndef SPCompatibility
+#define SPCompatibility
+
+#pragma mark - 10.8 Mountain Lion
+
+#ifndef __MAC_10_8
+#define __MAC_10_8 1080
+#endif
+
+#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_8
+#error You need to have at least SDK 10.8!
+#endif
+
+#pragma mark - 10.9 Mavericks
+
+#ifndef __MAC_10_9
+#define __MAC_10_9 1090
+#endif
+
+#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_9
+
+@interface NSString (Mavericks)
+
+@property (readonly, copy) NSString *stringByRemovingPercentEncoding;
+
+@end
+
+#endif
+
+#pragma mark - 10.10 Yosemite
+
+#ifndef __MAC_10_10
+#define __MAC_10_10 101000
+#endif
+
+#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_10
+
+// This enum is available since 10.5 but only got a "name" in 10.10
+typedef NSUInteger NSCellHitResult;
+
+@compatibility_alias NSTitlebarAccessoryViewController NSViewController;
+
+@interface NSViewController (NSTitlebarAccessoryViewController)
+
+@property NSLayoutAttribute layoutAttribute;
+
+@end
+
+@interface NSWindow (Yosemite)
+
+- (NSArray *)titlebarAccessoryViewControllers;
+- (void)removeTitlebarAccessoryViewControllerAtIndex:(NSInteger)index;
+- (void)addTitlebarAccessoryViewController:(NSTitlebarAccessoryViewController *)controller;
+
+@end
+
+// This code is available since 10.8 but public only since 10.10
+typedef struct {
+	NSInteger majorVersion;
+	NSInteger minorVersion;
+	NSInteger patchVersion;
+} NSOperatingSystemVersion;
+
+@interface NSProcessInfo ()
+- (NSOperatingSystemVersion)operatingSystemVersion;
+- (BOOL)isOperatingSystemAtLeastVersion:(NSOperatingSystemVersion)version;
+@end
+
+#endif
+
+#pragma mark - 10.11 El Capitan
+
+#ifndef __MAC_10_11
+#define __MAC_10_11 101100
+#endif
+
+#if !__has_feature(objc_kindof)
+#define __kindof
+#endif
+
+#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_11
+
+// formal protocol since 10.11, NSObject category before
+@protocol WebFrameLoadDelegate <NSObject>
+@end
+
+@interface NSOpenPanel (ElCapitan)
+
+@property (getter=isAccessoryViewDisclosed) BOOL accessoryViewDisclosed;
+
+@end
+
+#endif
+
+#pragma mark - 10.12 Sierra
+
+#ifndef __MAC_10_12
+#define __MAC_10_12 101200
+#endif
+
+#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_12
+
+//those enums got renamed in 10.12, probably for consistency
+#define NSAlertStyleInformational NSInformationalAlertStyle
+#define NSAlertStyleWarning       NSWarningAlertStyle
+#define NSAlertStyleCritical      NSCriticalAlertStyle
+
+@interface NSWindow (Sierra)
++ (void)setAllowsAutomaticWindowTabbing:(BOOL)arg;
+@end
+
+#endif
+
+#endif
diff --git a/Source/SPConnectionController.m b/Source/SPConnectionController.m
index f1968af6..1ccde091 100644
--- a/Source/SPConnectionController.m
+++ b/Source/SPConnectionController.m
@@ -63,22 +63,6 @@ static NSString *SPRemoveNode              = @"RemoveNode";
 static NSString *SPExportFavoritesFilename = @"SequelProFavorites.plist";
 #endif
 
-#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_6
-@interface NSSavePanel (NSSavePanel_unpublishedUntilSnowLeopardAPI)
-
-- (void)setShowsHiddenFiles:(BOOL)flag;
-
-@end
-#endif
-
-#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_11
-@interface NSOpenPanel (NSOpenPanel_ElCaptian)
-
-@property (getter=isAccessoryViewDisclosed) BOOL accessoryViewDisclosed;
-
-@end
-#endif
-
 /**
  * This is a utility function to validate SSL key/certificate files
  * @param fileData   The contents of the file
diff --git a/Source/SPConstants.h b/Source/SPConstants.h
index 71b0c49b..1419ec9a 100644
--- a/Source/SPConstants.h
+++ b/Source/SPConstants.h
@@ -665,32 +665,6 @@ typedef NS_ENUM(NSInteger,SPErrorCode) { // error codes in SPErrorDomain
 void _SPClear(id *addr);
 #define SPClear(x) _SPClear(&x)
 
-// Backwards compatibility
-#ifndef __MAC_10_7
-	#define __MAC_10_7 1070
-#endif
-
-#ifndef __MAC_10_8
-	#define __MAC_10_8 1080
-#endif
-
-#ifndef __MAC_10_10
-	#define __MAC_10_10 101000
-#endif
-
-#ifndef __MAC_10_11
-	#define __MAC_10_11 101100
-#endif
-
-#ifndef __MAC_10_12
-	#define __MAC_10_12 101200
-#endif
-
-// This enum is available since 10.5 but only got a "name" in 10.10
-#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_10
-typedef NSUInteger NSCellHitResult;
-#endif
-
 // Stolen from Stack Overflow: http://stackoverflow.com/questions/969130
 #define SPLog(fmt, ...) NSLog((@"%s:%d: " fmt), __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__)
 
diff --git a/Source/SPDatabaseDocument.m b/Source/SPDatabaseDocument.m
index b57b506f..d19b3f4c 100644
--- a/Source/SPDatabaseDocument.m
+++ b/Source/SPDatabaseDocument.m
@@ -29,13 +29,6 @@
 //
 //  More info at <https://github.com/sequelpro/sequelpro>
 
-// Forward-declare for 10.7 compatibility
-#if !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
-enum {
-	NSFullScreenWindowMask = 1 << 14
-};
-#endif
-
 #import "SPDatabaseDocument.h"
 #import "SPConnectionController.h"
 #import "SPConnectionHandler.h"
@@ -3990,10 +3983,11 @@ static int64_t SPDatabaseDocumentInstanceCounter = 0;
 	if (newIsVisible == windowTitleStatusViewIsVisible) return;
 
 	if (newIsVisible) {
-		if (NSClassFromString(@"NSTitlebarAccessoryViewController")) { // OS X 10.11 and later
+		Class controllerClass;
+		if ((controllerClass = NSClassFromString(@"NSTitlebarAccessoryViewController"))) { // OS X 10.11 and later
 			[titleAccessoryView setFrame:NSMakeRect(0, 0, titleAccessoryView.frame.size.width, 120)]; // make it really tall, so that it's on the top right of the title/toolbar area, instead of the bottom right (AppKit will not prevent it from going behind the toolbar)
 			
-			NSTitlebarAccessoryViewController *accessoryViewController = [[[NSTitlebarAccessoryViewController alloc] init] autorelease];
+			NSTitlebarAccessoryViewController *accessoryViewController = [[[controllerClass alloc] init] autorelease];
 			accessoryViewController.view = titleAccessoryView;
 			accessoryViewController.layoutAttribute = NSLayoutAttributeRight;
 			[parentWindow addTitlebarAccessoryViewController:accessoryViewController];
diff --git a/Source/SPEditorPreferencePane.m b/Source/SPEditorPreferencePane.m
index 0428984a..7fc810ea 100644
--- a/Source/SPEditorPreferencePane.m
+++ b/Source/SPEditorPreferencePane.m
@@ -351,7 +351,7 @@ static NSString *SPCustomColorSchemeNameLC  = @"user-defined";
 	[defaultItem setTarget:self];
 	
 	// Build theme selection submenu
-	[themeSelectionMenu compatibleRemoveAllItems];
+	[themeSelectionMenu removeAllItems];
 	[themeSelectionMenu addItem:defaultItem];
 	[themeSelectionMenu addItem:[NSMenuItem separatorItem]];
 	
diff --git a/Source/SPFieldEditorController.m b/Source/SPFieldEditorController.m
index 0298973d..b79355b5 100644
--- a/Source/SPFieldEditorController.m
+++ b/Source/SPFieldEditorController.m
@@ -41,13 +41,6 @@
 
 #import <SPMySQL/SPMySQL.h>
 
-#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_7
-@interface NSTextView (LionPlus)
-- (void)setUsesFindBar:(BOOL)value;
-- (BOOL)usesFindBar;
-@end
-#endif
-
 typedef enum {
 	TextSegment = 0,
 	ImageSegment,
diff --git a/Source/SPFieldMapperController.m b/Source/SPFieldMapperController.m
index ca40d71a..ee80174a 100644
--- a/Source/SPFieldMapperController.m
+++ b/Source/SPFieldMapperController.m
@@ -2040,7 +2040,7 @@ static NSUInteger SPSourceColumnTypeInteger     = 1;
 #endif
 
 			// Re-init recent menu
-			[recentGlobalValueMenu compatibleRemoveAllItems];
+			[recentGlobalValueMenu removeAllItems];
 			for(id item in recents)
 				[recentGlobalValueMenu addItemWithTitle:item action:@selector(insertRecentGlobalValue:) keyEquivalent:@""];
 
diff --git a/Source/SPFunctions.m b/Source/SPFunctions.m
index 93008059..461304e0 100644
--- a/Source/SPFunctions.m
+++ b/Source/SPFunctions.m
@@ -44,11 +44,10 @@ void SPMainQSync(void (^block)(void))
 
 int SPBetterRandomBytes(uint8_t *buf, size_t count)
 {
-#if MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_7
 	if([SPOSInfo isOSVersionAtLeastMajor:10 minor:7 patch:0]) {
 		return SecRandomCopyBytes(kSecRandomDefault, count, buf);
 	}
-#endif
+
 	// Version for 10.6
 	// https://developer.apple.com/library/prerelease/mac/documentation/Security/Conceptual/cryptoservices/RandomNumberGenerationAPIs/RandomNumberGenerationAPIs.html#//apple_ref/doc/uid/TP40011172-CH12-SW1
 	FILE *fp = fopen("/dev/random", "r");
diff --git a/Source/SPKeychain.m b/Source/SPKeychain.m
index 49e2de69..94b561c5 100644
--- a/Source/SPKeychain.m
+++ b/Source/SPKeychain.m
@@ -230,10 +230,8 @@
  */
 - (BOOL)passwordExistsForName:(NSString *)name account:(NSString *)account
 {
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
 	// "kSecClassGenericPassword" was introduced with the 10.7 SDK.
 	// It won't work on 10.6 either (meaning this code never matches properly there).
-	// (That's why there are compile time and runtime checks here)
 	if([SPOSInfo isOSVersionAtLeastMajor:10 minor:7 patch:0]) {
 		NSMutableDictionary *query = [NSMutableDictionary dictionary];
 		
@@ -248,7 +246,9 @@
 		
 		return SecItemCopyMatching((CFDictionaryRef)query, (CFTypeRef *)&result) == errSecSuccess;
 	}
-#endif
+
+	//Version for 10.6
+
 	SecKeychainItemRef item;
 	SecKeychainSearchRef search = NULL;
 	NSInteger numberOfItemsFound = 0;
diff --git a/Source/SPMenuAdditions.h b/Source/SPMenuAdditions.h
deleted file mode 100644
index 6c1070b2..00000000
--- a/Source/SPMenuAdditions.h
+++ /dev/null
@@ -1,36 +0,0 @@
-//
-//  SPMenuAdditions.h
-//  sequel-pro
-//
-//  Created by Rowan Beentje on November 27, 2010.
-//  Copyright (c) 2010 Rowan Beentje. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person
-//  obtaining a copy of this software and associated documentation
-//  files (the "Software"), to deal in the Software without
-//  restriction, including without limitation the rights to use,
-//  copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the
-//  Software is furnished to do so, subject to the following
-//  conditions:
-//
-//  The above copyright notice and this permission notice shall be
-//  included in all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-//  OTHER DEALINGS IN THE SOFTWARE.
-//
-//  More info at <https://github.com/sequelpro/sequelpro>
-
-@interface NSMenu (SPMenuAdditions)
-
-// Add a 10.5-compatible removeAllItems
-- (void)compatibleRemoveAllItems;
-
-@end
diff --git a/Source/SPMenuAdditions.m b/Source/SPMenuAdditions.m
deleted file mode 100644
index f4544808..00000000
--- a/Source/SPMenuAdditions.m
+++ /dev/null
@@ -1,46 +0,0 @@
-//
-//  SPMenuAdditions.m
-//  sequel-pro
-//
-//  Created by Rowan Beentje on November 27, 2010.
-//  Copyright (c) 2010 Rowan Beentje. All rights reserved.
-//
-//  Permission is hereby granted, free of charge, to any person
-//  obtaining a copy of this software and associated documentation
-//  files (the "Software"), to deal in the Software without
-//  restriction, including without limitation the rights to use,
-//  copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the
-//  Software is furnished to do so, subject to the following
-//  conditions:
-//
-//  The above copyright notice and this permission notice shall be
-//  included in all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
-//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-//  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
-//  OTHER DEALINGS IN THE SOFTWARE.
-//
-//  More info at <https://github.com/sequelpro/sequelpro>
-
-#import "SPMenuAdditions.h"
-
-@implementation NSMenu (SPMenuAdditions)
-
-// Add a 10.5-compatible removeAllItems
-- (void)compatibleRemoveAllItems
-{
-	if ([self respondsToSelector:@selector(removeAllItems)]) {
-		[(id)self removeAllItems];
-	} 
-	else {
-		while ([self numberOfItems]) [self removeItemAtIndex:0];
-	}
-}
-
-@end
diff --git a/Source/SPOSInfo.m b/Source/SPOSInfo.m
index b862e898..412b634a 100644
--- a/Source/SPOSInfo.m
+++ b/Source/SPOSInfo.m
@@ -29,26 +29,7 @@
 //  More info at <https://github.com/sequelpro/sequelpro>
 
 #import "SPOSInfo.h"
-
-// Needed because this class is also compiled with SequelProTunnelAssistant which can't access SPConstants.h
-#ifndef __MAC_10_10
-#define __MAC_10_10 101000
-#endif
-
-#if __MAC_OS_X_VERSION_MAX_ALLOWED < __MAC_10_10
-// This code is available since 10.8 but public only since 10.10
-typedef struct {
-	NSInteger majorVersion;
-	NSInteger minorVersion;
-	NSInteger patchVersion;
-} NSOperatingSystemVersion;
-
-@interface NSProcessInfo ()
-- (NSOperatingSystemVersion)operatingSystemVersion;
-- (BOOL)isOperatingSystemAtLeastVersion:(NSOperatingSystemVersion)version;
-@end
-
-#endif
+#import "SPCompatibility.h" // Needed because this class is also compiled with SequelProTunnelAssistant
 
 int SPOSVersionCompare(SPOSVersion left, SPOSVersion right)
 {
diff --git a/Source/SPTableContent.m b/Source/SPTableContent.m
index 416b7cd8..0738fe96 100644
--- a/Source/SPTableContent.m
+++ b/Source/SPTableContent.m
@@ -243,20 +243,16 @@ static NSString *SPTableFilterSetDefaultOperator = @"SPTableFilterSetDefaultOper
 	
 	[nibLoader release];
 	
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_7
 	//let's see if we can use the NSPopover (10.7+) or have to make do with our legacy clone.
 	//this is using reflection right now, as our SDK is 10.8 but our minimum supported version is 10.6
 	Class popOverClass = NSClassFromString(@"NSPopover");
-	if(popOverClass)
-	{
+	if(popOverClass) {
 		paginationPopover = [[popOverClass alloc] init];
 		[paginationPopover setDelegate:(SPTableContent<NSPopoverDelegate> *)self];
 		[paginationPopover setContentViewController:paginationViewController];
 		[paginationPopover setBehavior:NSPopoverBehaviorTransient];
 	}
-	else
-#endif
-	{
+	else {
 		[paginationBox setContentView:[paginationViewController view]];
 		
 		// Add the pagination view to the content area
@@ -1638,13 +1634,11 @@ static NSString *SPTableFilterSetDefaultOperator = @"SPTableFilterSetDefaultOper
 }
 #endif
 
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_7
 - (void)popoverDidClose:(NSNotification *)notification
 {
 	//not to hide the view, but to change the paginationButton
 	[self setPaginationViewVisibility:NO];
 }
-#endif
 
 /**
  * Show or hide the pagination layer, also changing the first responder as appropriate.
@@ -1672,7 +1666,6 @@ static NSString *SPTableFilterSetDefaultOperator = @"SPTableFilterSetDefaultOper
 		}
 	}
 	
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_7
 	if(paginationPopover) {
 		if(makeVisible) {
 			[paginationPopover showRelativeToRect:[paginationButton bounds] ofView:paginationButton preferredEdge:NSMinYEdge];
@@ -1684,7 +1677,6 @@ static NSString *SPTableFilterSetDefaultOperator = @"SPTableFilterSetDefaultOper
 		}
 		return;
 	}
-#endif
 	
 	if (makeVisible) {
 		if (paginationViewFrame.size.height == paginationViewHeight) return;
diff --git a/Source/SPTooltip.m b/Source/SPTooltip.m
index 54a997f6..ff68fdbe 100644
--- a/Source/SPTooltip.m
+++ b/Source/SPTooltip.m
@@ -83,12 +83,6 @@ static CGFloat slow_in_out (CGFloat t)
 
 @end
 
-@interface WebView (LeopardOnly)
-
-- (void)setDrawsBackground:(BOOL)drawsBackground;
-
-@end
-
 @implementation SPTooltip
 
 // ==================
diff --git a/Source/SPWindow.m b/Source/SPWindow.m
index 383b7fcd..18c4fae3 100644
--- a/Source/SPWindow.m
+++ b/Source/SPWindow.m
@@ -31,12 +31,6 @@
 #import "SPWindow.h"
 #import "SPWindowController.h"
 
-@interface NSWindow (LionPlusMethods)
-
-- (void)toggleFullScreen:(id)sender;
-
-@end
-
 @implementation SPWindow
 
 @synthesize isSheetWhichCanBecomeMain;
@@ -45,12 +39,10 @@
 
 + (void)initialize
 {
-#if __MAC_OS_X_VERSION_MAX_ALLOWED >= __MAC_10_12
 	// Disable automatic window tabbing on 10.12+
 	if ([NSWindow respondsToSelector:@selector(setAllowsAutomaticWindowTabbing:)]) {
 		[NSWindow setAllowsAutomaticWindowTabbing:NO];
 	}
-#endif
 }
 
 #pragma mark -
diff --git a/Source/SPWindowController.m b/Source/SPWindowController.m
index cddf6b09..7f3c687b 100644
--- a/Source/SPWindowController.m
+++ b/Source/SPWindowController.m
@@ -39,15 +39,6 @@
 #import <PSMTabBar/PSMTabBarControl.h>
 #import <PSMTabBar/PSMTabStyle.h>
 
-// Forward-declare for 10.7 compatibility
-#if !defined(MAC_OS_X_VERSION_10_7) || MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
-enum {
-	NSWindowCollectionBehaviorFullScreenPrimary = 1 << 7,
-	NSWindowCollectionBehaviorFullScreenAuxiliary = 1 << 8,
-	NSFullScreenWindowMask = 1 << 14
-};
-#endif
-
 @interface SPWindowController ()
 
 - (void)_setUpTabBar;
diff --git a/Source/Sequel-Pro.pch b/Source/Sequel-Pro.pch
index f3b2fd16..dc6bbf9b 100644
--- a/Source/Sequel-Pro.pch
+++ b/Source/Sequel-Pro.pch
@@ -32,7 +32,9 @@
 
 	// Nearly every class uses constants
 	#import "SPConstants.h"
-	
+
+	#import "SPCompatibility.h"
+
 	// Make all our custom additions available
 	#import "SPCategoryAdditions.h"
 #endif